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混(Hun)凝(Ning)土(Tu)施(Shi)工(Gong)常(Chang)见(Jian)质(Zhi)量(Liang)问(Wen)题(Ti)实(Shi)例(Li)分(Fen)析(Xi) !(?)

作(Zuo)者(Zhe):(?)admin 发(Fa)布(Bu)日(Ri)期(Qi):(?)2023/8/28 关(Guan)注(Zhu)次(Ci)数(Shu):(?) 二(?)维(Wei)码(Ma)分(Fen)享(Xiang)

混(Hun)凝(Ning)土(Tu)施(Shi)工(Gong)常(Chang)见(Jian)质(Zhi)量(Liang)问(Wen)题(Ti)实(Shi)例(Li)分(Fen)析(Xi) !(?)

 

[实(Shi)例(Li)1] 水(Shui)泥(Ni)温(Wen)度(Du)太(Tai)高(Gao),(?)造(Zao)成(Cheng)混(Hun)凝(Ning)土(Tu)坍(Tan)落(Luo)度(Du)损(Sun)失(Shi)过(Guo)快(Kuai)。(?)

某(Mou)工(Gong)程(Cheng)在(Zai)6月(Yue)份(Fen)浇(Jiao)注(Zhu)C30梁(Liang)板(Ban)过(Guo)程(Cheng)中(Zhong),(?)发(Fa)现(Xian)混(Hun)凝(Ning)土(Tu)坍(Tan)落(Luo)度(Du)损(Sun)失(Shi)很(Hen)快(Kuai),(?)造(Zao)成(Cheng)滚(Gun)筒(Tong)内(Nei)混(Hun)凝(Ning)土(Tu)结(Jie)料(Liao)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)经(Jing)查(Cha)所(Suo)进(Jin)水(Shui)泥(Ni)温(Wen)度(Du)达(Da)80℃(?),(?)且(Qie)水(Shui)泥(Ni)普(Pu)遍(Bian)偏(Pian)细(Xi),(?)造(Zao)成(Cheng)需(Xu)水(Shui)量(Liang)增(Zeng)大(Da),(?)当(Dang)用(Yong)水(Shui)量(Liang)不(Bu)足(Zu)时(Shi)产(Chan)生(Sheng)坍(Tan)落(Luo)度(Du)损(Sun)失(Shi)过(Guo)快(Kuai)。(?)

防(Fang)止(Zhi)措(Cuo)施(Shi):(?)在(Zai)夏(Xia)秋(Qiu)季(Ji)节(Jie)5-10月(Yue)份(Fen),(?)对(Dui)直(Zhi)接(Jie)从(Cong)水(Shui)泥(Ni)厂(Chang)或(Huo)粉(Fen)磨(Mo)站(Zhan)短(Duan)途(Tu)运(Yun)输(Shu)进(Jin)货(Huo)的(De)水(Shui)泥(Ni),(?)必(Bi)须(Xu)每(Mei)车(Che)测(Ce)量(Liang)水(Shui)泥(Ni)温(Wen)度(Du)要(Yao)小(Xiao)于(Yu)65℃(?)。(?)

[实(Shi)例(Li)2] 外(Wai)加(Jia)剂(Ji)冬(Dong)季(Ji)时(Shi)结(Jie)晶(Jing),(?)堵(Du)塞(Sai)管(Guan)道(Dao)。(?)

在(Zai)11月(Yue)到(Dao)次(Ci)年(Nian)2月(Yue)份(Fen),(?)由(You)于(Yu)气(Qi)温(Wen)下(Xia)降(Jiang)较(Jiao)快(Kuai),(?)在(Zai)外(Wai)加(Jia)剂(Ji)泵(Beng)抽(Chou)料(Liao)到(Dao)秤(Cheng)斗(Dou)时(Shi)会(Hui)出(Chu)现(Xian)较(Jiao)多(Duo)结(Jie)晶(Jing),(?)堵(Du)塞(Sai)管(Guan)道(Dao)和(He)蝶(Die)阀(Fa),(?)造(Zao)成(Cheng)计(Ji)量(Liang)缓(Huan)慢(Man)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)公(Gong)司(Si)在(Zai)用(Yong)的(De)萘(Nai)系(Xi)高(Gao)效(Xiao)减(Jian)水(Shui)剂(Ji)中(Zhong)Na2SO4在(Zai)气(Qi)温(Wen)较(Jiao)低(Di)时(Shi),(?)达(Da)到(Dao)过(Guo)饱(Bao)和(He)而(?)析(Xi)出(Chu)晶(Jing)体(Ti)。(?)

防(Fang)止(Zhi)措(Cuo)施(Shi):(?)与(Yu)减(Jian)水(Shui)剂(Ji)供(Gong)应(Ying)商(Shang)协(Xie)商(Shang)调(Diao)整(Zheng)减(Jian)水(Shui)剂(Ji)配(Pei)方(Fang),(?)由(You)含(Han)固(Gu)量(Liang)由(You)32%降(Jiang)到(Dao)20%含(Han)固(Gu)量(Liang),(?)已(Yi)基(Ji)本(Ben)解(Jie)决(Jue)析(Xi)晶(Jing)问(Wen)题(Ti)。(?)

[实(Shi)例(Li)3] 雨(Yu)水(Shui)或(Huo)冲(Chong)水(Shui)进(Jin)入(Ru)外(Wai)加(Jia)剂(Ji)罐(Guan),(?)造(Zao)成(Cheng)浓(Nong)度(Du)降(Jiang)低(Di),(?)影(Ying)响(Xiang)混(Hun)凝(Ning)土(Tu)坍(Tan)落(Luo)度(Du)。(?)

某(Mou)日(Ri)开(Kai)始(Shi)供(Gong)应(Ying)工(Gong)程(Cheng)的(De)混(Hun)凝(Ning)土(Tu)出(Chu)厂(Chang)前(Qian)由(You)检(Jian)测(Ce)台(Tai)检(Jian)查(Cha)时(Shi)均(Jun)发(Fa)现(Xian)坍(Tan)落(Luo)度(Du)偏(Pian)小(Xiao)情(Qing)况(Kuang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)检(Jian)查(Cha)减(Jian)水(Shui)剂(Ji)罐(Guan)上(Shang)方(Fang)进(Jin)料(Liao)口(Kou)被(Bei)人(Ren)打(Da)开(Kai)后(Hou)未(Wei)盖(Gai)好(Hao)盖(Gai)子(Zi),(?)下(Xia)暴(Bao)雨(Yu)及(Ji)可(Ke)能(Neng)冲(Chong)洗(Xi)罐(Guan)顶(Ding)的(De)水(Shui)流(Liu)入(Ru)罐(Guan)内(Nei),(?)造(Zao)成(Cheng)减(Jian)水(Shui)剂(Ji)浓(Nong)度(Du)下(Xia)降(Jiang)。(?)

防(Fang)止(Zhi)措(Cuo)施(Shi):(?)进(Jin)料(Liao)供(Gong)应(Ying)商(Shang)在(Zai)将(Jiang)减(Jian)水(Shui)剂(Ji)泵(Beng)到(Dao)罐(Guan)内(Nei)后(Hou),(?)应(Ying)及(Ji)时(Shi)将(Jiang)上(Shang)方(Fang)盖(Gai)子(Zi)盖(Gai)严(Yan),(?)材(Cai)料(Liao)员(Yuan)加(Jia)强(Qiang)巡(Xun)察(Cha)。(?)

[实(Shi)例(Li)4] 将(Jiang)木(Mu)钙(Gai)减(Jian)水(Shui)剂(Ji)误(Wu)用(Yong)为(Wei)萘(Nai)系(Xi)减(Jian)水(Shui)剂(Ji)造(Zao)成(Cheng)缓(Huan)凝(Ning)。(?)

在(Zai)供(Gong)应(Ying)某(Mou)工(Gong)程(Cheng)二(?)层(Ceng)梁(Liang)板(Ban)时(Shi),(?)施(Shi)工(Gong)单(Dan)位(Wei)反(Fan)映(Ying)凝(Ning)结(Jie)时(Shi)间(Jian)太(Tai)长(Chang),(?)浇(Jiao)筑(Zhu)后(Hou)24小(Xiao)时(Shi)仍(Reng)未(Wei)凝(Ning)固(Gu)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)经(Jing)检(Jian)查(Cha)配(Pei)合(He)比(Bi)下(Xia)料(Liao)记(Ji)录(Lu),(?)普(Pu)通(Tong)减(Jian)水(Shui)剂(Ji)被(Bei)当(Dang)作(Zuo)高(Gao)效(Xiao)减(Jian)水(Shui)剂(Ji)输(Shu)入(Ru)电(Dian)脑(Nao),(?)高(Gao)效(Xiao)减(Jian)水(Shui)剂(Ji)主(Zhu)要(Yao)以(Yi)萘(Nai)系(Xi)为(Wei)主(Zhu),(?)按(An)粉(Fen)剂(Ji)掺(Chan)量(Liang)为(Wei)0.5%~(?)0.8%,(?)而(?)普(Pu)通(Tong)减(Jian)水(Shui)剂(Ji)主(Zhu)要(Yao)成(Cheng)分(Fen)为(Wei)木(Mu)质(Zhi)素(Su)磺(Huang)酸(Suan)钙(Gai),(?)掺(Chan)量(Liang)为(Wei)0.25%~(?)0.3%。(?)当(Dang)木(Mu)钙(Gai)超(Chao)过(Guo)胶(Jiao)结(Jie)材(Cai)料(Liao)用(Yong)量(Liang)0.4%时(Shi)就(Jiu)会(Hui)出(Chu)现(Xian)严(Yan)重(Zhong)缓(Huan)凝(Ning)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)使(Shi)用(Yong)木(Mu)钙(Gai)减(Jian)水(Shui)剂(Ji)掺(Chan)量(Liang)应(Ying)严(Yan)格(Ge)控(Kong)制(Zhi),(?)配(Pei)合(He)比(Bi)输(Shu)入(Ru)时(Shi)必(Bi)须(Xu)有(You)另(Ling)外(Wai)操(Cao)作(Zuo)员(Yuan)复(Fu)核(He)。(?)

[实(Shi)例(Li)5] 不(Bu)同(Tong)品(Pin)牌(Pai)防(Fang)水(Shui)剂(Ji)混(Hun)合(He)使(Shi)用(Yong)。(?)

某(Mou)工(Gong)程(Cheng)地(Di)下(Xia)室(Shi)外(Wai)墙(Qiang)C40P8施(Shi)工(Gong),(?)发(Fa)现(Xian)一(Yi)车(Che)混(Hun)凝(Ning)土(Tu)坍(Tan)落(Luo)度(Du)偏(Pian)大(Da)退(Tui)回(Hui)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)经(Jing)检(Jian)查(Cha)进(Jin)货(Huo)记(Ji)录(Lu),(?)同(Tong)期(Qi)进(Jin)货(Huo)的(De)两(Liang)种(Zhong)防(Fang)水(Shui)剂(Ji)用(Yong)于(Yu)两(Liang)个(Ge)工(Gong)程(Cheng)中(Zhong),(?)一(Yi)种(Zhong)有(You)明(Ming)显(Xian)减(Jian)水(Shui)作(Zuo)用(Yong),(?)另(Ling)一(Yi)种(Zhong)减(Jian)水(Shui)率(Lu)较(Jiao)少(Shao),(?)工(Gong)人(Ren)在(Zai)搬(Ban)运(Yun)袋(Dai)装(Zhuang)防(Fang)水(Shui)剂(Ji)时(Shi)出(Chu)现(Xian)混(Hun)杂(Za)使(Shi)用(Yong)的(De)情(Qing)况(Kuang)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)每(Mei)批(Pi)防(Fang)水(Shui)剂(Ji)((?)包(Bao)含(Han)膨(Peng)胀(Zhang)剂(Ji)等(Deng))(?)进(Jin)厂(Chang)时(Shi)必(Bi)须(Xu)复(Fu)检(Jian)合(He)格(Ge)才(Cai)能(Neng)使(Shi)用(Yong),(?)仓(Cang)库(Ku)物(Wu)资(Zi)堆(Dui)放(Fang)应(Ying)隔(Ge)离(Li)和(He)标(Biao)识(Shi),(?)不(Bu)得(De)混(Hun)用(Yong)。(?)

[实(Shi)例(Li)6] 砂(Sha)中(Zhong)含(Han)有(You)大(Da)块(Kuai)的(De)泥(Ni)块(Kuai)和(He)卵(Luan)石(Shi)。(?)

在(Zai)某(Mou)工(Gong)地(Di)泵(Beng)送(Song)施(Shi)工(Gong)时(Shi)发(Fa)现(Xian)泵(Beng)车(Che)下(Xia)料(Liao)斗(Dou)上(Shang)有(You)较(Jiao)多(Duo)大(Da)块(Kuai)鹅(E)卵(Luan)石(Shi)和(He)泥(Ni)块(Kuai)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)砂(Sha)场(Chang)供(Gong)应(Ying)河(He)砂(Sha)在(Zai)抽(Chou)砂(Sha)时(Shi)筛(Shai)网(Wang)破(Po)损(Sun),(?)抽(Chou)料(Liao)口(Kou)插(Cha)入(Ru)太(Tai)深(Shen),(?)将(Jiang)河(He)床(Chuang)底(Di)部(Bu)的(De)大(Da)块(Kuai)石(Shi)头(Tou)和(He)泥(Ni)团(Tuan)抽(Chou)到(Dao)砂(Sha)中(Zhong)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)砂(Sha)场(Chang)应(Ying)定(Ding)期(Qi)检(Jian)查(Cha)抽(Chou)砂(Sha)机(Ji)筛(Shai)网(Wang)是(Shi)否(Fou)破(Po)损(Sun),(?)公(Gong)司(Si)砂(Sha)石(Shi)进(Jin)料(Liao)口(Kou)及(Ji)主(Zhu)机(Ji)楼(Lou)待(Dai)料(Liao)槽(Cao)应(Ying)加(Jia)装(Zhuang)隔(Ge)栅(Zha),(?)防(Fang)止(Zhi)杂(Za)物(Wu)进(Jin)入(Ru)混(Hun)凝(Ning)土(Tu)。(?)

[实(Shi)例(Li)7] 碎(Sui)石(Shi)含(Han)泥(Ni)量(Liang)超(Chao)标(Biao)。(?)

雨(Yu)天(Tian)后(Hou)所(Suo)进(Jin)碎(Sui)石(Shi)含(Han)泥(Ni)量(Liang)超(Chao)过(Guo)1%,(?)造(Zao)成(Cheng)混(Hun)凝(Ning)土(Tu)需(Xu)水(Shui)量(Liang)增(Zeng)大(Da),(?)混(Hun)凝(Ning)土(Tu)强(Qiang)度(Du)下(Xia)降(Jiang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)下(Xia)雨(Yu)后(Hou)碎(Sui)石(Shi)破(Po)碎(Sui)过(Guo)程(Cheng)含(Han)大(Da)量(Liang)砂(Sha)土(Tu),(?)振(Zhen)动(Dong)筛(Shai)分(Fen)时(Shi)无(Wu)法(Fa)分(Fen)离(Li)干(Gan)净(Jing)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)在(Zai)上(Shang)料(Liao)码(Ma)头(Tou)增(Zeng)加(Jia)冲(Chong)水(Shui)设(She)备(Bei),(?)将(Jiang)含(Han)泥(Ni)量(Liang)控(Kong)制(Zhi)在(Zai)标(Biao)准(Zhun)范(Fan)围(Wei)内(Nei)。(?)不(Bu)合(He)格(Ge)碎(Sui)石(Shi)严(Yan)禁(Jin)进(Jin)仓(Cang)。(?)

[实(Shi)例(Li)8] 粉(Fen)煤(Mei)灰(Hui)、(?)矿(Kuang)渣(Zha)质(Zhi)量(Liang)不(Bu)合(He)格(Ge)。(?)

公(Gong)司(Si)采(Cai)购(Gou)F类(Lei)一(Yi)级(Ji)灰(Hui),(?)进(Jin)厂(Chang)时(Shi)细(Xi)度(Du)、(?)需(Xu)水(Shui)量(Liang)比(Bi)和(He)烧(Shao)失(Shi)量(Liang)等(Deng)指(Zhi)标(Biao)偶(Ou)尔(?)达(Da)不(Bu)到(Dao)要(Yao)求(Qiu);(?)采(Cai)购(Gou)的(De)S95级(Ji)磨(Mo)细(Xi)矿(Kuang)粉(Fen),(?)7天(Tian)和(He)28天(Tian)活(Huo)性(Xing)指(Zhi)标(Biao)偶(Ou)尔(?)达(Da)不(Bu)到(Dao)要(Yao)求(Qiu),(?)但(Dan)检(Jian)测(Ce)周(Zhou)期(Qi)长(Chang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)电(Dian)厂(Chang)燃(Ran)煤(Mei)质(Zhi)量(Liang)出(Chu)现(Xian)波(Bo)动(Dong),(?)粉(Fen)煤(Mei)灰(Hui)分(Fen)选(Xuan)设(She)备(Bei)出(Chu)现(Xian)故(Gu)障(Zhang),(?)引(Yin)起(Qi)质(Zhi)量(Liang)波(Bo)动(Dong);(?)矿(Kuang)渣(Zha)来(Lai)源(Yuan)不(Bu)稳(Wen)定(Ding),(?)比(Bi)表(Biao)面(Mian)积(Ji)偏(Pian)小(Xiao)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)每(Mei)车(Che)粉(Fen)煤(Mei)灰(Hui)和(He)矿(Kuang)渣(Zha)粉(Fen)进(Jin)厂(Chang)后(Hou)应(Ying)检(Jian)查(Cha)细(Xi)度(Du)或(Huo)需(Xu)水(Shui)量(Liang)比(Bi)合(He)格(Ge)才(Cai)能(Neng)入(Ru)库(Ku)。(?)每(Mei)车(Che)检(Jian)测(Ce)矿(Kuang)渣(Zha)比(Bi)表(Biao)面(Mian)积(Ji)≥(?)400/kg合(He)格(Ge)才(Cai)能(Neng)进(Jin)库(Ku),(?)定(Ding)期(Qi)到(Dao)供(Gong)应(Ying)厂(Chang)抽(Chou)样(Yang)。(?)

[实(Shi)例(Li)9] 水(Shui)泥(Ni)、(?)粉(Fen)煤(Mei)灰(Hui)和(He)矿(Kuang)粉(Fen)等(Deng)粉(Fen)状(Zhuang)物(Wu)进(Jin)仓(Cang)前(Qian)须(Xu)经(Jing)筛(Shai)网(Wang)过(Guo)滤(Lu)。(?)

主(Zhu)机(Ji)楼(Lou)操(Cao)作(Zuo)员(Yuan)反(Fan)映(Ying)螺(Luo)运(Yun)机(Ji)被(Bei)杂(Za)物(Wu)卡(Ka)住(Zhu),(?)造(Zao)成(Cheng)电(Dian)机(Ji)烧(Shao)毁(Hui)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)散(San)装(Zhuang)物(Wu)料(Liao)进(Jin)仓(Cang)时(Shi),(?)含(Han)有(You)铁(Tie)钉(Ding)、(?)钢(Gang)球(Qiu)等(Deng)球(Qiu)磨(Mo)机(Ji)中(Zhong)杂(Za)物(Wu),(?)卡(Ka)入(Ru)螺(Luo)运(Yun)机(Ji)间(Jian)隙(Xi)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)所(Suo)有(You)进(Jin)料(Liao)管(Guan)口(Kou)前(Qian)加(Jia)装(Zhuang)φ(?)10mm孔(Kong)径(Jing)的(De)筛(Shai)网(Wang),(?)防(Fang)止(Zhi)大(Da)块(Kuai)杂(Za)物(Wu)进(Jin)入(Ru)罐(Guan)中(Zhong)。(?)

[实(Shi)例(Li)10] 原(Yuan)材(Cai)料(Liao)混(Hun)仓(Cang)。(?)

某(Mou)工(Gong)程(Cheng)供(Gong)应(Ying)过(Guo)程(Cheng)现(Xian)场(Chang)质(Zhi)检(Jian)员(Yuan)发(Fa)现(Xian)混(Hun)凝(Ning)土(Tu)粘(Zhan)性(Xing)差(Cha),(?)颜(Yan)色(Se)偏(Pian)白(Bai),(?)经(Jing)快(Kuai)速(Su)检(Jian)测(Ce)强(Qiang)度(Du)明(Ming)显(Xian)偏(Pian)低(Di),(?)对(Dui)已(Yi)浇(Jiao)注(Zhu)的(De)混(Hun)凝(Ning)土(Tu)清(Qing)理(Li)干(Gan)净(Jing)重(Zhong)新(Xin)浇(Jiao)注(Zhu)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)供(Gong)应(Ying)商(Shang)驾(Jia)驶(Shi)员(Yuan)不(Bu)熟(Shu)悉(Xi)公(Gong)司(Si)管(Guan)道(Dao)布(Bu)置(Zhi)情(Qing)况(Kuang),(?)接(Jie)错(Cuo)管(Guan)口(Kou),(?)将(Jiang)粉(Fen)煤(Mei)灰(Hui)错(Cuo)打(Da)入(Ru)水(Shui)泥(Ni)罐(Guan)中(Zhong)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)所(Suo)有(You)粉(Fen)料(Liao)罐(Guan)口(Kou)必(Bi)须(Xu)加(Jia)锁(Suo),(?)标(Biao)识(Shi)清(Qing)楚(Chu),(?)材(Cai)料(Liao)员(Yuan)加(Jia)强(Qiang)各(Ge)材(Cai)料(Liao)库(Ku)的(De)巡(Xun)查(Cha)监(Jian)督(Du)。(?)

 

配(Pei)合(He)比(Bi)管(Guan)理(Li)

 

[实(Shi)例(Li)11] 泵(Beng)送(Song)高(Gao)度(Du)和(He)长(Chang)度(Du)变(Bian)化(Hua)未(Wei)及(Ji)时(Shi)调(Diao)整(Zheng)配(Pei)合(He)比(Bi)。(?)

1)(?)某(Mou)工(Gong)程(Cheng)地(Di)下(Xia)室(Shi)底(Di)板(Ban)C40P8供(Gong)应(Ying)过(Guo)程(Cheng)发(Fa)生(Sheng)严(Yan)重(Zhong)堵(Du)管(Guan)现(Xian)象(Xiang),(?)现(Xian)场(Chang)泵(Beng)管(Guan)长(Chang)度(Du)超(Chao)过(Guo)200米(Mi)。(?)

2)(?)某(Mou)工(Gong)程(Cheng)施(Shi)工(Gong)二(?)十(Shi)一(Yi)层(Ceng)柱(Zhu)墙(Qiang)时(Shi),(?)多(Duo)次(Ci)发(Fa)生(Sheng)堵(Du)管(Guan)现(Xian)象(Xiang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)施(Shi)工(Gong)单(Dan)位(Wei)在(Zai)下(Xia)达(Da)生(Sheng)产(Chan)任(Ren)务(Wu),(?)未(Wei)写(Xie)明(Ming)泵(Beng)送(Song)高(Gao)度(Du)或(Huo)泵(Beng)送(Song)水(Shui)平(Ping)管(Guan)长(Chang)度(Du),(?)而(?)按(An)普(Pu)通(Tong)5-31.5mm碎(Sui)石(Shi)和(He)普(Pu)通(Tong)泵(Beng)送(Song)坍(Tan)落(Luo)度(Du)开(Kai)具(Ju)配(Pei)合(He)比(Bi),(?)造(Zao)成(Cheng)堵(Du)管(Guan)爆(Bao)管(Guan)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)1)(?)泵(Beng)送(Song)高(Gao)度(Du)超(Chao)过(Guo)20层(Ceng)或(Huo)60米(Mi)时(Shi),(?)必(Bi)须(Xu)注(Zhu)明(Ming)5-25mm碎(Sui)石(Shi)粒(Li)径(Jing),(?)且(Qie)坍(Tan)落(Luo)度(Du)应(Ying)≥(?)160mm。(?)2)(?)泵(Beng)车(Che)班(Ban)布(Bu)管(Guan)时(Shi)宜(Yi)布(Bu)得(De)横(Heng)平(Ping)竖(Shu)直(Zhi),(?)尽(Jin)量(Liang)减(Jian)少(Shao)弯(Wan)头(Tou)和(He)变(Bian)管(Guan)数(Shu)量(Liang),(?)如(Ru)水(Shui)平(Ping)管(Guan)道(Dao)长(Chang)度(Du)超(Chao)过(Guo)150米(Mi),(?)坍(Tan)落(Luo)度(Du)应(Ying)≥(?)160mm。(?)

[实(Shi)例(Li)12] 砂(Sha)细(Xi)度(Du)模(Mo)数(Shu)变(Bian)化(Hua)影(Ying)响(Xiang)混(Hun)凝(Ning)土(Tu)坍(Tan)落(Luo)度(Du)。(?)

某(Mou)工(Gong)程(Cheng)施(Shi)工(Gong)过(Guo)程(Cheng)出(Chu)现(Xian)坍(Tan)落(Luo)度(Du)偏(Pian)大(Da),(?)混(Hun)凝(Ning)土(Tu)出(Chu)现(Xian)离(Li)析(Xi)现(Xian)象(Xiang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)河(He)砂(Sha)细(Xi)度(Du)模(Mo)数(Shu)变(Bian)大(Da),(?)比(Bi)表(Biao)面(Mian)积(Ji)减(Jian)小(Xiao),(?)引(Yin)起(Qi)坍(Tan)落(Luo)度(Du)偏(Pian)大(Da)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)进(Jin)厂(Chang)河(He)砂(Sha)应(Ying)混(Hun)合(He)均(Jun)匀(Yun),(?)如(Ru)检(Jian)测(Ce)细(Xi)度(Du)模(Mo)数(Shu)变(Bian)化(Hua)较(Jiao)大(Da),(?)应(Ying)及(Ji)时(Shi)调(Diao)整(Zheng)施(Shi)工(Gong)配(Pei)合(He)比(Bi)。(?)

 

生(Sheng)产(Chan)过(Guo)程(Cheng)管(Guan)理(Li)

 

 

[实(Shi)例(Li)13] 调(Diao)度(Du)工(Gong)作(Zuo)失(Shi)误(Wu)。(?)

1)(?)供(Gong)应(Ying)某(Mou)工(Gong)地(Di)混(Hun)凝(Ning)土(Tu)时(Shi),(?)质(Zhi)检(Jian)员(Yuan)发(Fa)现(Xian)交(Jiao)货(Huo)单(Dan)混(Hun)凝(Ning)土(Tu)标(Biao)记(Ji)与(Yu)强(Qiang)度(Du)等(Deng)级(Ji)不(Bu)符(Fu)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)当(Dang)班(Ban)调(Diao)度(Du)员(Yuan)在(Zai)输(Shu)入(Ru)生(Sheng)产(Chan)任(Ren)务(Wu)单(Dan)时(Shi),(?)误(Wu)将(Jiang)强(Qiang)度(Du)等(Deng)级(Ji)输(Shu)为(Wei)C15,(?)而(?)主(Zhu)机(Ji)生(Sheng)产(Chan)确(Que)实(Shi)按(An)C25P6生(Sheng)产(Chan),(?)属(Shu)输(Shu)入(Ru)错(Cuo)误(Wu)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)调(Diao)度(Du)在(Zai)发(Fa)第(Di)一(Yi)车(Che)混(Hun)凝(Ning)土(Tu)时(Shi)必(Bi)须(Xu)与(Yu)生(Sheng)产(Chan)任(Ren)务(Wu)单(Dan)核(He)对(Dui)正(Zheng)确(Que)无(Wu)误(Wu)后(Hou)方(Fang)可(Ke)打(Da)印(Yin)《(?)交(Jiao)验(Yan)单(Dan)》(?)。(?)

2)(?)某(Mou)工(Gong)程(Cheng)同(Tong)时(Shi)施(Shi)工(Gong)独(Du)立(Li)基(Ji)础(Chu)承(Cheng)台(Tai)C30及(Ji)独(Du)立(Li)基(Ji)础(Chu)垫(Dian)层(Ceng)C15,(?)工(Gong)地(Di)施(Shi)工(Gong)员(Yuan)引(Yin)导(Dao)车(Che)辆(Liang)到(Dao)卸(Xie)货(Huo)地(Di)点(Dian)时(Shi),(?)未(Wei)看(Kan)清(Qing)C15交(Jiao)货(Huo)单(Dan)及(Ji)强(Qiang)度(Du)等(Deng)级(Ji)标(Biao)识(Shi)牌(Pai)就(Jiu)卸(Xie)料(Liao),(?)经(Jing)调(Diao)度(Du)询(Xun)问(Wen)才(Cai)发(Fa)现(Xian)强(Qiang)度(Du)等(Deng)级(Ji)错(Cuo)误(Wu)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)现(Xian)场(Chang)施(Shi)工(Gong)员(Yuan)在(Zai)同(Tong)一(Yi)工(Gong)地(Di)浇(Jiao)筑(Zhu)不(Bu)同(Tong)强(Qiang)度(Du)等(Deng)级(Ji)混(Hun)凝(Ning)土(Tu)时(Shi),(?)未(Wei)认(Ren)真(Zhen)核(He)对(Dui)发(Fa)货(Huo)单(Dan)和(He)标(Biao)识(Shi)牌(Pai)就(Jiu)卸(Xie)料(Liao)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)调(Diao)度(Du)员(Yuan)发(Fa)车(Che)前(Qian)必(Bi)须(Xu)与(Yu)施(Shi)工(Gong)单(Dan)位(Wei)核(He)对(Dui)强(Qiang)度(Du)等(Deng)级(Ji)、(?)施(Shi)工(Gong)部(Bu)位(Wei)无(Wu)误(Wu)后(Hou)才(Cai)能(Neng)发(Fa)货(Huo)。(?)交(Jiao)货(Huo)单(Dan)信(Xin)息(Xi)必(Bi)须(Xu)准(Zhun)确(Que)无(Wu)误(Wu),(?)搅(Jiao)拌(Ban)车(Che)驾(Jia)驶(Shi)员(Yuan)到(Dao)达(Da)现(Xian)场(Chang)应(Ying)先(Xian)由(You)工(Gong)地(Di)确(Que)认(Ren)无(Wu)误(Wu)方(Fang)可(Ke)卸(Xie)料(Liao)。(?)

3)(?)某(Mou)日(Ri)业(Ye)务(Wu)员(Yuan)接(Jie)听(Ting)临(Lin)时(Shi)订(Ding)单(Dan)时(Shi),(?)将(Jiang)混(Hun)凝(Ning)土(Tu)标(Biao)号(Hao)C35误(Wu)填(Tian)为(Wei)C30。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)业(Ye)务(Wu)员(Yuan)在(Zai)接(Jie)到(Dao)工(Gong)地(Di)口(Kou)头(Tou)电(Dian)话(Hua)通(Tong)知(Zhi)下(Xia)达(Da)生(Sheng)产(Chan)任(Ren)务(Wu)单(Dan),(?)调(Diao)度(Du)员(Yuan)未(Wei)认(Ren)真(Zhen)确(Que)认(Ren)交(Jiao)货(Huo)信(Xin)息(Xi)无(Wu)误(Wu)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)月(Yue)生(Sheng)产(Chan)计(Ji)划(Hua)单(Dan)必(Bi)须(Xu)详(Xiang)细(Xi)注(Zhu)明(Ming)工(Gong)地(Di)需(Xu)求(Qiu),(?)临(Lin)时(Shi)订(Ding)单(Dan)须(Xu)由(You)工(Gong)地(Di)材(Cai)料(Liao)员(Yuan)或(Huo)施(Shi)工(Gong)员(Yuan)确(Que)认(Ren)相(Xiang)关(Guan)信(Xin)息(Xi)无(Wu)误(Wu),(?)或(Huo)以(Yi)书(Shu)面(Mian)传(Chuan)真(Zhen)形(Xing)式(Shi)送(Song)达(Da)调(Diao)度(Du)中(Zhong)心(Xin),(?)避(Bi)免(Mian)部(Bu)位(Wei)或(Huo)强(Qiang)度(Du)等(Deng)级(Ji)错(Cuo)误(Wu)发(Fa)生(Sheng)。(?)

[实(Shi)例(Li)14] 主(Zhu)机(Ji)操(Cao)作(Zuo)员(Yuan)工(Gong)作(Zuo)失(Shi)误(Wu)。(?)

1)(?)某(Mou)日(Ri)在(Zai)查(Cha)询(Xun)主(Zhu)机(Ji)报(Bao)表(Biao)时(Shi)发(Fa)现(Xian)主(Zhu)机(Ji)操(Cao)作(Zuo)员(Yuan)将(Jiang)某(Mou)工(Gong)地(Di)C15混(Hun)凝(Ning)土(Tu),(?)选(Xuan)择(Ze)到(Dao)C30配(Pei)合(He)比(Bi)拌(Ban)出(Chu)。(?)

2)(?)某(Mou)日(Ri)调(Diao)度(Du)员(Yuan)发(Fa)货(Huo)甲(Jia)工(Gong)地(Di)C25用(Yong)车(Che)号(Hao)A#装(Zhuang)料(Liao),(?)B#车(Che)装(Zhuang)乙(Yi)工(Gong)地(Di)C35,(?)但(Dan)A#车(Che)未(Wei)及(Ji)时(Shi)装(Zhuang)货(Huo),(?)调(Diao)度(Du)员(Yuan)又(You)未(Wei)联(Lian)系(Xi)到(Dao)司(Si)机(Ji),(?)就(Jiu)叫(Jiao)后(Hou)一(Yi)部(Bu)B#车(Che)替(Ti)换(Huan)装(Zhuang)货(Huo),(?)而(?)主(Zhu)机(Ji)操(Cao)作(Zuo)员(Yuan)未(Wei)认(Ren)真(Zhen)核(He)对(Dui)交(Jiao)验(Yan)单(Dan)直(Zhi)接(Jie)投(Tou)单(Dan),(?)导(Dao)致(Zhi)B#司(Si)机(Ji)实(Shi)际(Ji)装(Zhuang)甲(Jia)工(Gong)地(Di)的(De)混(Hun)凝(Ning)土(Tu)却(Que)送(Song)到(Dao)乙(Yi)工(Gong)地(Di)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)主(Zhu)机(Ji)操(Cao)作(Zuo)员(Yuan)未(Wei)认(Ren)真(Zhen)核(He)对(Dui)交(Jiao)货(Huo)信(Xin)息(Xi)提(Ti)前(Qian)投(Tou)单(Dan)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)在(Zai)工(Gong)控(Kong)系(Xi)统(Tong)未(Wei)全(Quan)面(Mian)联(Lian)网(Wang)以(Yi)前(Qian),(?)先(Xian)由(You)调(Diao)度(Du)打(Da)印(Yin)交(Jiao)货(Huo)单(Dan)后(Hou),(?)书(Shu)面(Mian)交(Jiao)由(You)主(Zhu)机(Ji)操(Cao)作(Zuo)员(Yuan),(?)由(You)其(Qi)认(Ren)真(Zhen)核(He)对(Dui)搅(Jiao)拌(Ban)运(Yun)输(Shu)车(Che)车(Che)号(Hao)、(?)工(Gong)程(Cheng)名(Ming)称(Cheng)、(?)施(Shi)工(Gong)部(Bu)位(Wei)、(?)强(Qiang)度(Du)等(Deng)级(Ji)、(?)配(Pei)合(He)比(Bi)编(Bian)号(Hao)无(Wu)误(Wu)才(Cai)能(Neng)拌(Ban)料(Liao),(?)拌(Ban)料(Liao)完(Wan)毕(Bi)签(Qian)字(Zi)确(Que)认(Ren),(?)然(Ran)后(Hou)才(Cai)能(Neng)投(Tou)单(Dan)。(?)目(Mu)前(Qian)通(Tong)过(Guo)ERP系(Xi)统(Tong)开(Kai)发(Fa),(?)将(Jiang)计(Ji)划(Hua)录(Lu)入(Ru)生(Sheng)产(Chan)任(Ren)务(Wu)系(Xi)统(Tong)和(He)调(Diao)度(Du)系(Xi)统(Tong)及(Ji)工(Gong)控(Kong)系(Xi)统(Tong)联(Lian)接(Jie)在(Zai)一(Yi)起(Qi),(?)有(You)效(Xiao)防(Fang)止(Zhi)主(Zhu)机(Ji)操(Cao)作(Zuo)员(Yuan)和(He)调(Diao)度(Du)员(Yuan)的(De)人(Ren)为(Wei)失(Shi)误(Wu)。(?)

[实(Shi)例(Li)15] 计(Ji)量(Liang)失(Shi)控(Kong),(?)砂(Sha)石(Shi)超(Chao)称(Cheng)。(?)

1)(?)主(Zhu)机(Ji)操(Cao)作(Zuo)员(Yuan)发(Fa)现(Xian)砂(Sha)石(Shi)待(Dai)料(Liao)槽(Cao)中(Zhong)砂(Sha)石(Shi)严(Yan)重(Zhong)偏(Pian)多(Duo),(?)通(Tong)知(Zhi)车(Che)辆(Liang)过(Guo)磅(Bang)砂(Sha)石(Shi)计(Ji)量(Liang)有(You)误(Wu)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)砂(Sha)石(Shi)秤(Cheng)放(Fang)料(Liao)闸(Zha)门(Men)动(Dong)作(Zuo)未(Wei)到(Dao)位(Wei),(?)石(Shi)子(Zi)计(Ji)量(Liang)闸(Zha)门(Men)就(Jiu)开(Kai)始(Shi)放(Fang)料(Liao)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)每(Mei)班(Ban)重(Zhong)点(Dian)检(Jian)查(Cha)气(Qi)缸(Gang)、(?)电(Dian)磁(Ci)阀(Fa)、(?)限(Xian)位(Wei)器(Qi),(?)对(Dui)计(Ji)量(Liang)秤(Cheng)重(Zhong)新(Xin)定(Ding)期(Qi)自(Zi)校(Xiao)合(He)格(Ge)后(Hou)才(Cai)能(Neng)生(Sheng)产(Chan)。(?)

2)(?)主(Zhu)机(Ji)操(Cao)作(Zuo)员(Yuan)拌(Ban)某(Mou)工(Gong)程(Cheng)九(Jiu)层(Ceng)梁(Liang)板(Ban)时(Shi),(?)未(Wei)观(Guan)察(Cha)显(Xian)示(Shi)数(Shu)据(Ju)中(Zhong)无(Wu)该(Gai)品(Pin)种(Zhong)水(Shui)泥(Ni)却(Que)拌(Ban)料(Liao)生(Sheng)产(Chan),(?)造(Zao)成(Cheng)拌(Ban)料(Liao)报(Bao)废(Fei),(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)技(Ji)术(Shu)值(Zhi)班(Ban)传(Chuan)送(Song)配(Pei)合(He)比(Bi)送(Song)到(Dao)工(Gong)控(Kong)机(Ji)时(Shi),(?)该(Gai)主(Zhu)机(Ji)无(Wu)该(Gai)品(Pin)种(Zhong)水(Shui)泥(Ni),(?)水(Shui)泥(Ni)品(Pin)种(Zhong)未(Wei)匹(Pi)配(Pei)造(Zao)成(Cheng)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)请(Qing)软(Ruan)件(Jian)公(Gong)司(Si)及(Ji)时(Shi)修(Xiu)改(Gai)程(Cheng)序(Xu),(?)主(Zhu)机(Ji)操(Cao)作(Zuo)员(Yuan)应(Ying)注(Zhu)意(Yi)各(Ge)计(Ji)量(Liang)秤(Cheng)称(Cheng)量(Liang)情(Qing)况(Kuang),(?)如(Ru)出(Chu)现(Xian)异(Yi)常(Chang)情(Qing)况(Kuang)不(Bu)得(De)搅(Jiao)拌(Ban)。(?)

[实(Shi)例(Li)16] 外(Wai)加(Jia)剂(Ji)浓(Nong)度(Du)不(Bu)均(Jun)匀(Yun),(?)造(Zao)成(Cheng)部(Bu)分(Fen)混(Hun)凝(Ning)土(Tu)缓(Huan)凝(Ning)。(?)

某(Mou)日(Ri)浇(Jiao)筑(Zhu)某(Mou)工(Gong)地(Di)14层(Ceng)墙(Qiang)柱(Zhu)、(?)15层(Ceng)梁(Liang)板(Ban)混(Hun)凝(Ning)土(Tu)时(Shi),(?)出(Chu)现(Xian)坍(Tan)落(Luo)度(Du)偏(Pian)大(Da),(?)初(Chu)凝(Ning)时(Shi)间(Jian)超(Chao)过(Guo)20小(Xiao)时(Shi)现(Xian)象(Xiang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)减(Jian)水(Shui)剂(Ji)罐(Guan)搅(Jiao)拌(Ban)器(Qi)故(Gu)障(Zhang),(?)造(Zao)成(Cheng)减(Jian)水(Shui)剂(Ji)密(Mi)度(Du)不(Bu)均(Jun)匀(Yun),(?)储(Chu)罐(Guan)下(Xia)部(Bu)减(Jian)水(Shui)剂(Ji)密(Mi)度(Du)偏(Pian)大(Da),(?)凝(Ning)结(Jie)时(Shi)间(Jian)过(Guo)长(Chang)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)减(Jian)水(Shui)剂(Ji)必(Bi)须(Xu)定(Ding)时(Shi)搅(Jiao)拌(Ban)均(Jun)匀(Yun),(?)材(Cai)料(Liao)员(Yuan)应(Ying)加(Jia)强(Qiang)巡(Xun)察(Cha),(?)如(Ru)出(Chu)现(Xian)搅(Jiao)拌(Ban)器(Qi)停(Ting)转(Zhuan),(?)应(Ying)立(Li)即(Ji)报(Bao)修(Xiu)。(?)

[实(Shi)例(Li)17] 砂(Sha)石(Shi)仓(Cang)未(Wei)及(Ji)时(Shi)进(Jin)料(Liao),(?)造(Zao)成(Cheng)混(Hun)凝(Ning)土(Tu)和(He)易(Yi)性(Xing)差(Cha)。(?)

某(Mou)日(Ri)凌(Ling)晨(Chen)5:(?)00供(Gong)应(Ying)地(Di)下(Xia)室(Shi)底(Di)板(Ban)承(Cheng)台(Tai)混(Hun)凝(Ning)土(Tu)时(Shi),(?)两(Liang)台(Tai)拖(Tuo)泵(Beng)同(Tong)时(Shi)堵(Du)管(Guan)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)碎(Sui)石(Shi)进(Jin)料(Liao)不(Bu)及(Ji)时(Shi),(?)碎(Sui)石(Shi)仓(Cang)料(Liao)位(Wei)偏(Pian)低(Di),(?)造(Zao)成(Cheng)堵(Du)管(Guan)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)加(Jia)强(Qiang)空(Kong)中(Zhong)料(Liao)仓(Cang)和(He)进(Jin)料(Liao)巡(Xun)查(Cha),(?)进(Jin)料(Liao)装(Zhuang)载(Zai)机(Ji)应(Ying)及(Ji)时(Shi)上(Shang)料(Liao),(?)空(Kong)中(Zhong)砂(Sha)石(Shi)料(Liao)仓(Cang)必(Bi)须(Xu)保(Bao)持(Chi)满(Man)仓(Cang)。(?)夜(Ye)间(Jian)技(Ji)术(Shu)值(Zhi)班(Ban)、(?)材(Cai)料(Liao)员(Yuan)和(He)调(Diao)度(Du)长(Chang)必(Bi)须(Xu)每(Mei)两(Liang)小(Xiao)时(Shi)检(Jian)查(Cha)材(Cai)料(Liao)进(Jin)料(Liao)情(Qing)况(Kuang)和(He)砂(Sha)石(Shi)质(Zhi)量(Liang)。(?)

[实(Shi)例(Li)18] 粉(Fen)煤(Mei)灰(Hui)和(He)矿(Kuang)渣(Zha)粉(Fen)小(Xiao)计(Ji)量(Liang)出(Chu)现(Xian)大(Da)误(Wu)差(Cha)。(?)

某(Mou)日(Ri)粉(Fen)煤(Mei)灰(Hui)和(He)矿(Kuang)渣(Zha)计(Ji)量(Liang)秤(Cheng)出(Chu)现(Xian)超(Chao)量(Liang)情(Qing)况(Kuang),(?)单(Dan)盘(Pan)计(Ji)量(Liang)误(Wu)差(Cha)大(Da)于(Yu)2%

原(Yuan)因(Yin)分(Fen)析(Xi):(?)螺(Luo)运(Yun)机(Ji)转(Zhuan)速(Su)太(Tai)快(Kuai),(?)造(Zao)成(Cheng)落(Luo)差(Cha)过(Guo)大(Da),(?)部(Bu)分(Fen)冲(Chong)量(Liang)无(Wu)法(Fa)记(Ji)录(Lu)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)由(You)设(She)备(Bei)部(Bu)改(Gai)变(Bian)螺(Luo)运(Yun)机(Ji)齿(Chi)轮(Lun)箱(Xiang)变(Bian)速(Su)比(Bi),(?)在(Zai)螺(Luo)运(Yun)机(Ji)和(He)称(Cheng)量(Liang)斗(Dou)间(Jian)加(Jia)装(Zhuang)闸(Zha)阀(Fa),(?)控(Kong)制(Zhi)材(Cai)料(Liao)落(Luo)差(Cha)。(?)

[实(Shi)例(Li)19] 量(Liang)差(Cha)

某(Mou)工(Gong)地(Di)投(Tou)诉(Su)量(Liang)差(Cha),(?)按(An)图(Tu)纸(Zhi)计(Ji)算(Suan)量(Liang)与(Yu)实(Shi)际(Ji)浇(Jiao)筑(Zhu)数(Shu)量(Liang)相(Xiang)差(Cha)超(Chao)过(Guo)国(Guo)家(Jia)标(Biao)准(Zhun)范(Fan)围(Wei)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)计(Ji)算(Suan)配(Pei)合(He)比(Bi)表(Biao)观(Guan)密(Mi)度(Du)时(Shi)只(Zhi)按(An)实(Shi)际(Ji)表(Biao)观(Guan)密(Mi)度(Du)计(Ji)量(Liang),(?)未(Wei)乘(Cheng)密(Mi)实(Shi)系(Xi)数(Shu)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)生(Sheng)产(Chan)配(Pei)合(He)比(Bi)密(Mi)度(Du)应(Ying)按(An)混(Hun)凝(Ning)土(Tu)试(Shi)验(Yan)所(Suo)测(Ce)的(De)表(Biao)观(Guan)密(Mi)度(Du)乘(Cheng)以(Yi)混(Hun)凝(Ning)土(Tu)密(Mi)实(Shi)系(Xi)数(Shu)((?)一(Yi)般(Ban)取(Qu)1.01)(?)确(Que)定(Ding)。(?)每(Mei)班(Ban)每(Mei)台(Tai)机(Ji)应(Ying)抽(Chou)查(Cha)三(San)车(Che)过(Guo)磅(Bang)复(Fu)核(He),(?)防(Fang)止(Zhi)计(Ji)量(Liang)失(Shi)控(Kong)。(?)

 

运(Yun)输(Shu)和(He)泵(Beng)送(Song)管(Guan)理(Li)

 

 

[实(Shi)例(Li)20] 司(Si)机(Ji)送(Song)错(Cuo)工(Gong)地(Di)。(?)

某(Mou)搅(Jiao)拌(Ban)运(Yun)输(Shu)车(Che)司(Si)机(Ji)装(Zhuang)C25混(Hun)凝(Ning)土(Tu)送(Song)到(Dao)另(Ling)一(Yi)工(Gong)地(Di)C30。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)驾(Jia)驶(Shi)员(Yuan)填(Tian)写(Xie)车(Che)辆(Liang)追(Zhui)踪(Zong)表(Biao)时(Shi)未(Wei)看(Kan)清(Qing)工(Gong)地(Di)名(Ming)称(Cheng)和(He)施(Shi)工(Gong)单(Dan)位(Wei),(?)工(Gong)作(Zuo)马(Ma)虎(Hu)大(Da)意(Yi)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)每(Mei)部(Bu)混(Hun)凝(Ning)土(Tu)搅(Jiao)拌(Ban)运(Yun)输(Shu)车(Che)必(Bi)须(Xu)标(Biao)识(Shi)清(Qing)楚(Chu)强(Qiang)度(Du)等(Deng)级(Ji),(?)驾(Jia)驶(Shi)员(Yuan)在(Zai)装(Zhuang)完(Wan)混(Hun)凝(Ning)土(Tu)后(Hou),(?)应(Ying)及(Ji)时(Shi)填(Tian)写(Xie)车(Che)辆(Liang)追(Zhui)踪(Zong)表(Biao)上(Shang)工(Gong)程(Cheng)名(Ming)称(Cheng)和(He)施(Shi)工(Gong)单(Dan)位(Wei),(?)避(Bi)免(Mian)送(Song)错(Cuo)工(Gong)地(Di)。(?)调(Diao)度(Du)中(Zhong)心(Xin)应(Ying)密(Mi)切(Qie)注(Zhu)意(Yi)GPS卫(Wei)星(Xing)定(Ding)位(Wei)系(Xi)统(Tong)车(Che)辆(Liang)运(Yun)行(Xing)情(Qing)况(Kuang),(?)发(Fa)现(Xian)问(Wen)题(Ti)及(Ji)时(Shi)纠(Jiu)正(Zheng)。(?)

[实(Shi)例(Li)21] 司(Si)机(Ji)运(Yun)输(Shu)车(Che)滚(Gun)筒(Tong)积(Ji)水(Shui)。(?)

某(Mou)司(Si)机(Ji)装(Zhuang)混(Hun)凝(Ning)土(Tu)时(Shi),(?)滚(Gun)筒(Tong)内(Nei)积(Ji)水(Shui)混(Hun)凝(Ning)土(Tu)坍(Tan)落(Luo)度(Du)偏(Pian)大(Da)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)前(Qian)一(Yi)车(Che)在(Zai)装(Zhuang)洗(Xi)泵(Beng)水(Shui)后(Hou),(?)到(Dao)达(Da)工(Gong)地(Di)未(Wei)全(Quan)部(Bu)用(Yong)完(Wan),(?)却(Que)未(Wei)及(Ji)时(Shi)将(Jiang)滚(Gun)筒(Tong)内(Nei)剩(Sheng)余(Yu)水(Shui)卸(Xie)净(Jing),(?)也(Ye)未(Wei)要(Yao)求(Qiu)确(Que)认(Ren)就(Jiu)装(Zhuang)料(Liao)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)调(Diao)度(Du)中(Zhong)心(Xin)必(Bi)须(Xu)控(Kong)管(Guan)装(Zhuang)洗(Xi)泵(Beng)车(Che)水(Shui)的(De)搅(Jiao)拌(Ban)车(Che),(?)在(Zai)接(Jie)到(Dao)司(Si)机(Ji)卸(Xie)水(Shui)确(Que)认(Ren)单(Dan)后(Hou)才(Cai)能(Neng)通(Tong)知(Zhi)装(Zhuang)料(Liao)。(?)司(Si)机(Ji)洗(Xi)车(Che)后(Hou)及(Ji)暴(Bao)雨(Yu)过(Guo)后(Hou),(?)滚(Gun)筒(Tong)内(Nei)的(De)积(Ji)水(Shui)必(Bi)须(Xu)卸(Xie)净(Jing)。(?)

[实(Shi)例(Li)22] 漏(Lou)料(Liao)、(?)结(Jie)料(Liao)。(?)

1)(?)某(Mou)日(Ri)司(Si)机(Ji)在(Zai)运(Yun)送(Song)混(Hun)凝(Ning)土(Tu)到(Dao)工(Gong)地(Di)途(Tu)中(Zhong),(?)滚(Gun)筒(Tong)反(Fan)转(Zhuan)漏(Lou)料(Liao),(?)造(Zao)成(Cheng)路(Lu)面(Mian)大(Da)面(Mian)积(Ji)污(Wu)染(Ran)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)装(Zhuang)车(Che)前(Qian)未(Wei)遵(Zun)守(Shou)流(Liu)程(Cheng)规(Gui)定(Ding)插(Cha)好(Hao)防(Fang)反(Fan)转(Zhuan)销(Xiao),(?)造(Zao)成(Cheng)漏(Lou)料(Liao)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)规(Gui)定(Ding)搅(Jiao)拌(Ban)运(Yun)输(Shu)车(Che)驾(Jia)驶(Shi)员(Yuan)在(Zai)装(Zhuang)车(Che)前(Qian)必(Bi)须(Xu)检(Jian)查(Cha)是(Shi)否(Fou)插(Cha)好(Hao)防(Fang)反(Fan)转(Zhuan)销(Xiao)。(?)

2)(?)某(Mou)日(Ri)搅(Jiao)拌(Ban)车(Che)司(Si)机(Ji)运(Yun)送(Song)某(Mou)工(Gong)地(Di)C40混(Hun)凝(Ning)土(Tu),(?)卸(Xie)料(Liao)完(Wan)毕(Bi)未(Wei)检(Jian)查(Cha)混(Hun)凝(Ning)土(Tu)是(Shi)否(Fou)卸(Xie)完(Wan),(?)空(Kong)车(Che)过(Guo)磅(Bang)也(Ye)未(Wei)察(Cha)看(Kan)回(Hui)空(Kong)重(Zhong)量(Liang),(?)滚(Gun)筒(Tong)内(Nei)剩(Sheng)2方(Fang)带(Dai)回(Hui)公(Gong)司(Si)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)搅(Jiao)拌(Ban)车(Che)驾(Jia)驶(Shi)员(Yuan)人(Ren)为(Wei)工(Gong)作(Zuo)马(Ma)虎(Hu)大(Da)意(Yi),(?)未(Wei)按(An)规(Gui)定(Ding)流(Liu)程(Cheng)检(Jian)查(Cha)滚(Gun)筒(Tong)内(Nei)混(Hun)凝(Ning)土(Tu)卸(Xie)净(Jing)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)加(Jia)强(Qiang)搅(Jiao)拌(Ban)车(Che)驾(Jia)驶(Shi)员(Yuan)的(De)质(Zhi)量(Liang)意(Yi)识(Shi)培(Pei)训(Xun),(?)卸(Xie)料(Liao)完(Wan)毕(Bi)应(Ying)检(Jian)查(Cha)滚(Gun)筒(Tong)内(Nei)是(Shi)否(Fou)有(You)积(Ji)料(Liao),(?)运(Yun)输(Shu)部(Bu)定(Ding)期(Qi)抽(Chou)查(Cha)回(Hui)厂(Chang)空(Kong)车(Che)重(Zhong)量(Liang),(?)避(Bi)免(Mian)剩(Sheng)料(Liao)和(He)不(Bu)同(Tong)强(Qiang)度(Du)等(Deng)级(Ji)混(Hun)凝(Ning)土(Tu)混(Hun)装(Zhuang)。(?)

3)(?)某(Mou)日(Ri)搅(Jiao)拌(Ban)车(Che)减(Jian)速(Su)机(Ji)螺(Luo)丝(Si)断(Duan)裂(Lie),(?)滚(Gun)筒(Tong)无(Wu)法(Fa)转(Zhuan)动(Dong),(?)造(Zao)成(Cheng)混(Hun)凝(Ning)土(Tu)凝(Ning)结(Jie)在(Zai)滚(Gun)筒(Tong)内(Nei)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)减(Jian)速(Su)机(Ji)螺(Luo)丝(Si)断(Duan)裂(Lie),(?)造(Zao)成(Cheng)滚(Gun)筒(Tong)无(Wu)法(Fa)转(Zhuan)动(Dong)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)搅(Jiao)拌(Ban)车(Che)驾(Jia)驶(Shi)员(Yuan)应(Ying)做(Zuo)好(Hao)日(Ri)常(Chang)车(Che)辆(Liang)检(Jian)查(Cha),(?)并(Bing)重(Zhong)点(Dian)检(Jian)查(Cha)滚(Gun)筒(Tong)减(Jian)速(Su)机(Ji)螺(Luo)丝(Si)是(Shi)否(Fou)上(Shang)紧(Jin)或(Huo)有(You)弯(Wan)曲(Qu)和(He)裂(Lie)痕(Hen),(?)避(Bi)免(Mian)在(Zai)高(Gao)速(Su)转(Zhuan)动(Dong)时(Shi)螺(Luo)丝(Si)断(Duan)裂(Lie),(?)造(Zao)成(Cheng)混(Hun)凝(Ning)土(Tu)报(Bao)废(Fei)。(?)

[实(Shi)例(Li)23] 泵(Beng)送(Song)爆(Bao)管(Guan)堵(Du)管(Guan)。(?)

1)(?)某(Mou)工(Gong)地(Di)泵(Beng)送(Song)混(Hun)凝(Ning)土(Tu)结(Jie)束(Shu),(?)清(Qing)洗(Xi)混(Hun)凝(Ning)土(Tu)管(Guan)道(Dao)时(Shi),(?)采(Cai)用(Yong)气(Qi)洗(Xi)方(Fang)式(Shi),(?)由(You)于(Yu)压(Ya)力(Li)过(Guo)大(Da)导(Dao)致(Zhi)泵(Beng)管(Guan)管(Guan)壁(Bi)破(Po)裂(Lie),(?)造(Zao)成(Cheng)工(Gong)人(Ren)受(Shou)伤(Shang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)泵(Beng)车(Che)自(Zi)备(Bei)水(Shui)箱(Xiang)水(Shui)量(Liang)不(Bu)足(Zu),(?)采(Cai)用(Yong)水(Shui)洗(Xi)方(Fang)式(Shi)无(Wu)法(Fa)全(Quan)部(Bu)将(Jiang)混(Hun)凝(Ning)土(Tu)洗(Xi)出(Chu),(?)而(?)采(Cai)用(Yong)气(Qi)洗(Xi)方(Fang)式(Shi),(?)气(Qi)洗(Xi)压(Ya)力(Li)是(Shi)水(Shui)洗(Xi)压(Ya)力(Li)的(De)3倍(Bei),(?)接(Jie)在(Zai)尾(Wei)部(Bu)的(De)泵(Beng)管(Guan)管(Guan)壁(Bi)较(Jiao)薄(Bao),(?)无(Wu)法(Fa)承(Cheng)受(Shou)气(Qi)洗(Xi)压(Ya)力(Li)而(?)破(Po)裂(Lie),(?)造(Zao)成(Cheng)混(Hun)凝(Ning)土(Tu)飞(Fei)出(Chu)伤(Shang)人(Ren)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)严(Yan)格(Ge)限(Xian)制(Zhi)气(Qi)洗(Xi)方(Fang)式(Shi),(?)禁(Jin)用(Yong)薄(Bao)旧(Jiu)泵(Beng)管(Guan)。(?)泵(Beng)管(Guan)出(Chu)口(Kou)处(Chu)的(De)软(Ruan)管(Guan)数(Shu)量(Liang)不(Bu)能(Neng)超(Chao)过(Guo)两(Liang)条(Tiao)且(Qie)弯(Wan)折(Zhe)不(Bu)宜(Yi)超(Chao)过(Guo)90度(Du)。(?)洗(Xi)泵(Beng)的(De)水(Shui)由(You)搅(Jiao)拌(Ban)车(Che)专(Zhuan)门(Men)从(Cong)搅(Jiao)拌(Ban)站(Zhan)装(Zhuang)满(Man)运(Yun)送(Song)到(Dao)现(Xian)场(Chang)使(Shi)用(Yong)。(?)加(Jia)强(Qiang)人(Ren)员(Yuan)安(An)全(Quan)操(Cao)作(Zuo)培(Pei)训(Xun)。(?)

2)(?)某(Mou)工(Gong)地(Di)施(Shi)工(Gong)十(Shi)五(Wu)层(Ceng)柱(Zhu)墙(Qiang)时(Shi),(?)泵(Beng)送(Song)时(Shi)润(Run)管(Guan)的(De)水(Shui)和(He)砂(Sha)浆(Jiang)都(Du)未(Wei)能(Neng)泵(Beng)出(Chu),(?)造(Zao)成(Cheng)已(Yi)发(Fa)货(Huo)混(Hun)凝(Ning)土(Tu)全(Quan)部(Bu)退(Tui)车(Che)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)在(Zai)施(Shi)工(Gong)十(Shi)四(Si)层(Ceng)梁(Liang)板(Ban)结(Jie)束(Shu)后(Hou),(?)拖(Tuo)泵(Beng)切(Qie)割(Ge)环(Huan)漏(Lou)水(Shui)严(Yan)重(Zhong),(?)用(Yong)水(Shui)洗(Xi)方(Fang)式(Shi)无(Wu)法(Fa)洗(Xi)出(Chu)全(Quan)部(Bu)混(Hun)凝(Ning)土(Tu),(?)残(Can)留(Liu)部(Bu)分(Fen)混(Hun)凝(Ning)土(Tu)和(He)水(Shui)泥(Ni)袋(Dai)在(Zai)管(Guan)道(Dao)中(Zhong)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)定(Ding)期(Qi)检(Jian)查(Cha)和(He)更(Geng)换(Huan)切(Qie)割(Ge)环(Huan)等(Deng)易(Yi)损(Sun)配(Pei)件(Jian)。(?)洗(Xi)管(Guan)时(Shi)应(Ying)先(Xian)将(Jiang)布(Bu)料(Liao)杆(Gan)折(Zhe)除(Chu)分(Fen)开(Kai)清(Qing)洗(Xi),(?)洗(Xi)管(Guan)完(Wan)毕(Bi)必(Bi)须(Xu)检(Jian)查(Cha)水(Shui)泥(Ni)袋(Dai)已(Yi)洗(Xi)出(Chu),(?)接(Jie)管(Guan)前(Qian)必(Bi)须(Xu)检(Jian)查(Cha)管(Guan)道(Dao)是(Shi)否(Fou)通(Tong)畅(Chang)。(?)

 

现(Xian)场(Chang)施(Shi)工(Gong)管(Guan)理(Li)

 

 

[实(Shi)例(Li)24] 泵(Beng)送(Song)砂(Sha)浆(Jiang)浇(Jiao)入(Ru)结(Jie)构(Gou)部(Bu)位(Wei)。(?)

某(Mou)工(Gong)地(Di)二(?)层(Ceng)梁(Liang)板(Ban)拆(Chai)模(Mo)后(Hou),(?)发(Fa)现(Xian)局(Ju)部(Bu)梁(Liang)底(Di)出(Chu)现(Xian)反(Fan)砂(Sha)掉(Diao)皮(Pi)现(Xian)象(Xiang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)泵(Beng)送(Song)混(Hun)凝(Ning)土(Tu)前(Qian)使(Shi)用(Yong)清(Qing)水(Shui)和(He)同(Tong)配(Pei)合(He)比(Bi)砂(Sha)浆(Jiang)润(Run)滑(Hua)管(Guan)道(Dao)时(Shi),(?)将(Jiang)砂(Sha)浆(Jiang)集(Ji)中(Zhong)浇(Jiao)筑(Zhu)到(Dao)梁(Liang)底(Di),(?)由(You)于(Yu)水(Shui)和(He)砂(Sha)浆(Jiang)混(Hun)和(He)后(Hou)强(Qiang)度(Du)降(Jiang)低(Di),(?)而(?)造(Zao)成(Cheng)反(Fan)砂(Sha)和(He)脱(Tuo)皮(Pi)现(Xian)象(Xiang)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)泵(Beng)送(Song)混(Hun)凝(Ning)土(Tu)前(Qian),(?)润(Run)滑(Hua)用(Yong)的(De)水(Shui)泥(Ni)砂(Sha)浆(Jiang)应(Ying)分(Fen)散(San)布(Bu)料(Liao),(?)不(Bu)得(De)集(Ji)中(Zhong)浇(Jiao)注(Zhu)在(Zai)同(Tong)一(Yi)处(Chu)。(?)

[实(Shi)例(Li)25] 不(Bu)同(Tong)外(Wai)加(Jia)剂(Ji)混(Hun)用(Yong)。(?)

某(Mou)工(Gong)程(Cheng)供(Gong)应(Ying)时(Shi)配(Pei)合(He)比(Bi)采(Cai)用(Yong)聚(Ju)羧(Suo)酸(Suan)减(Jian)水(Shui)剂(Ji),(?)而(?)现(Xian)场(Chang)质(Zhi)检(Jian)员(Yuan)未(Wei)注(Zhu)意(Yi)配(Pei)合(He)比(Bi)中(Zhong)外(Wai)加(Jia)剂(Ji)品(Pin)种(Zhong),(?)当(Dang)现(Xian)场(Chang)坍(Tan)落(Luo)度(Du)偏(Pian)小(Xiao)时(Shi),(?)按(An)萘(Nai)系(Xi)减(Jian)水(Shui)剂(Ji)调(Diao)整(Zheng)量(Liang)加(Jia)入(Ru)萘(Nai)系(Xi)减(Jian)水(Shui)剂(Ji)8kg,(?)造(Zao)成(Cheng)混(Hun)凝(Ning)土(Tu)和(He)易(Yi)性(Xing)差(Cha)退(Tui)回(Hui)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)现(Xian)场(Chang)质(Zhi)检(Jian)员(Yuan)对(Dui)新(Xin)技(Ji)术(Shu)新(Xin)知(Zhi)识(Shi)掌(Zhang)握(Wo)不(Bu)足(Zu),(?)聚(Ju)羧(Suo)酸(Suan)减(Jian)水(Shui)剂(Ji)和(He)萘(Nai)系(Xi)减(Jian)水(Shui)剂(Ji)混(Hun)用(Yong)时(Shi)不(Bu)相(Xiang)溶(Rong),(?)造(Zao)成(Cheng)混(Hun)凝(Ning)土(Tu)和(He)易(Yi)性(Xing)差(Cha)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)由(You)试(Shi)验(Yan)室(Shi)加(Jia)强(Qiang)对(Dui)现(Xian)场(Chang)质(Zhi)检(Jian)员(Yuan)培(Pei)训(Xun),(?)不(Bu)同(Tong)外(Wai)加(Jia)剂(Ji)不(Bu)得(De)混(Hun)用(Yong)。(?)

[实(Shi)例(Li)26] 柱(Zhu)子(Zi)拆(Chai)模(Mo)脱(Tuo)皮(Pi)。(?)

11月(Yue)份(Fen)某(Mou)厂(Chang)房(Fang)一(Yi)层(Ceng)柱(Zhu)施(Shi)工(Gong)后(Hou)拆(Chai)除(Chu)模(Mo)板(Ban),(?)发(Fa)现(Xian)柱(Zhu)子(Zi)表(Biao)面(Mian)混(Hun)凝(Ning)土(Tu)脱(Tuo)落(Luo)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)11月(Yue)份(Fen)遇(Yu)气(Qi)温(Wen)骤(Zhou)降(Jiang),(?)混(Hun)凝(Ning)土(Tu)凝(Ning)结(Jie)时(Shi)间(Jian)偏(Pian)长(Chang),(?)拆(Chai)模(Mo)时(Shi)间(Jian)太(Tai)早(Zao),(?)造(Zao)成(Cheng)表(Biao)面(Mian)脱(Tuo)层(Ceng)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)经(Jing)常(Chang)关(Guan)注(Zhu)天(Tian)气(Qi)预(Yu)报(Bao),(?)遇(Yu)天(Tian)气(Qi)降(Jiang)温(Wen)时(Shi),(?)应(Ying)调(Diao)整(Zheng)外(Wai)加(Jia)剂(Ji)配(Pei)方(Fang)中(Zhong)缓(Huan)凝(Ning)成(Cheng)分(Fen),(?)避(Bi)免(Mian)凝(Ning)结(Jie)时(Shi)间(Jian)太(Tai)长(Chang)。(?)

[实(Shi)例(Li)27] 混(Hun)凝(Ning)土(Tu)路(Lu)面(Mian)起(Qi)壳(Ke),(?)裂(Lie)缝(Feng)。(?)

某(Mou)日(Ri)施(Shi)工(Gong)市(Shi)政(Zheng)道(Dao)路(Lu)抗(Kang)折(Zhe)4.5MPa,(?)割(Ge)缝(Feng)一(Yi)侧(Ce)出(Chu)现(Xian)数(Shu)条(Tiao)细(Xi)长(Chang)裂(Lie)缝(Feng)。(?)某(Mou)工(Gong)地(Di)施(Shi)工(Gong)路(Lu)面(Mian)时(Shi),(?)上(Shang)部(Bu)混(Hun)凝(Ning)土(Tu)起(Qi)壳(Ke),(?)而(?)下(Xia)部(Bu)混(Hun)凝(Ning)土(Tu)还(Huan)未(Wei)硬(Ying)化(Hua)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)路(Lu)面(Mian)施(Shi)工(Gong)完(Wan)毕(Bi),(?)割(Ge)缝(Feng)时(Shi)间(Jian)太(Tai)晚(Wan),(?)将(Jiang)表(Biao)面(Mian)已(Yi)硬(Ying)化(Hua)的(De)混(Hun)凝(Ning)土(Tu)拉(La)裂(Lie)。(?)混(Hun)凝(Ning)土(Tu)凝(Ning)结(Jie)时(Shi)间(Jian)偏(Pian)长(Chang),(?)而(?)表(Biao)面(Mian)未(Wei)覆(Fu)盖(Gai)和(He)浇(Jiao)水(Shui)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)注(Zhu)意(Yi)施(Shi)工(Gong)抹(Mo)面(Mian)养(Yang)护(Hu),(?)切(Qie)缝(Feng)时(Shi)间(Jian)应(Ying)在(Zai)混(Hun)凝(Ning)土(Tu)达(Da)到(Dao)设(She)计(Ji)强(Qiang)度(Du)25%~(?)30%时(Shi)切(Qie)割(Ge),(?)混(Hun)凝(Ning)土(Tu)凝(Ning)结(Jie)时(Shi)间(Jian)不(Bu)宜(Yi)过(Guo)长(Chang)。(?)

[实(Shi)例(Li)28] 地(Di)面(Mian)的(De)面(Mian)层(Ceng)起(Qi)粉(Fen)。(?)

某(Mou)工(Gong)地(Di)施(Shi)工(Gong)地(Di)下(Xia)室(Shi)面(Mian)层(Ceng)C20混(Hun)凝(Ning)土(Tu),(?)表(Biao)面(Mian)出(Chu)现(Xian)起(Qi)粉(Fen)现(Xian)象(Xiang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)施(Shi)工(Gong)单(Dan)位(Wei)下(Xia)达(Da)任(Ren)务(Wu)单(Dan)为(Wei)地(Di)下(Xia)室(Shi)找(Zhao)平(Ping)层(Ceng),(?)未(Wei)说(Shuo)明(Ming)为(Wei)车(Che)库(Ku)耐(Nai)磨(Mo)地(Di)坪(Ping),(?)配(Pei)合(He)比(Bi)中(Zhong)掺(Chan)粉(Fen)煤(Mei)灰(Hui)占(Zhan)胶(Jiao)结(Jie)材(Cai)15%,(?)出(Chu)现(Xian)粉(Fen)煤(Mei)灰(Hui)上(Shang)浮(Fu)现(Xian)象(Xiang)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)由(You)施(Shi)工(Gong)方(Fang)在(Zai)生(Sheng)产(Chan)计(Ji)划(Hua)和(He)任(Ren)务(Wu)单(Dan)下(Xia)达(Da)时(Shi)写(Xie)清(Qing)浇(Jiao)筑(Zhu)部(Bu)位(Wei),(?)对(Dui)该(Gai)部(Bu)位(Wei)配(Pei)合(He)比(Bi)宜(Yi)掺(Chan)粉(Fen)煤(Mei)灰(Hui)掺(Chan)量(Liang)小(Xiao)于(Yu)8%。(?)

[实(Shi)例(Li)29] 水(Shui)下(Xia)桩(Zhuang)施(Shi)工(Gong)堵(Du)管(Guan)、(?)断(Duan)桩(Zhuang)。(?)

水(Shui)下(Xia)桩(Zhuang)施(Shi)工(Gong)时(Shi),(?)由(You)于(Yu)等(Deng)尾(Wei)数(Shu)时(Shi)间(Jian)长(Chang)、(?)路(Lu)况(Kuang)差(Cha)造(Zao)成(Cheng)陷(Xian)车(Che),(?)又(You)无(Wu)法(Fa)及(Ji)时(Shi)施(Shi)救(Jiu),(?)泵(Beng)车(Che)故(Gu)障(Zhang)未(Wei)及(Ji)时(Shi)更(Geng)换(Huan)或(Huo)钢(Gang)筋(Jin)笼(Long)卡(Ka)住(Zhu)导(Dao)管(Guan)造(Zao)成(Cheng)断(Duan)桩(Zhuang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)水(Shui)下(Xia)桩(Zhuang)施(Shi)工(Gong)时(Shi),(?)必(Bi)须(Xu)保(Bao)证(Zheng)连(Lian)续(Xu)浇(Jiao)灌(Guan),(?)防(Fang)止(Zhi)混(Hun)凝(Ning)土(Tu)分(Fen)层(Ceng)离(Li)析(Xi)和(He)中(Zhong)断(Duan)时(Shi)间(Jian)太(Tai)长(Chang)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)水(Shui)下(Xia)桩(Zhuang)施(Shi)工(Gong)必(Bi)须(Xu)准(Zhun)备(Bei)充(Chong)足(Zu)车(Che)辆(Liang),(?)泵(Beng)车(Che)设(She)备(Bei)完(Wan)好(Hao),(?)保(Bao)证(Zheng)连(Lian)续(Xu)供(Gong)应(Ying),(?)并(Bing)制(Zhi)定(Ding)应(Ying)急(Ji)措(Cuo)施(Shi),(?)防(Fang)止(Zhi)设(She)备(Bei)故(Gu)障(Zhang)时(Shi)造(Zao)成(Cheng)断(Duan)桩(Zhuang)。(?)

[实(Shi)例(Li)30] 桩(Zhuang)基(Ji)混(Hun)凝(Ning)土(Tu)强(Qiang)度(Du)偏(Pian)低(Di)。(?)

某(Mou)工(Gong)地(Di)施(Shi)工(Gong)时(Shi),(?)由(You)于(Yu)泵(Beng)车(Che)堵(Du)管(Guan)时(Shi)正(Zheng)下(Xia)暴(Bao)雨(Yu),(?)造(Zao)成(Cheng)桩(Zhuang)内(Nei)流(Liu)入(Ru)大(Da)量(Liang)雨(Yu)水(Shui),(?)桩(Zhuang)基(Ji)抽(Chou)芯(Xin)强(Qiang)度(Du)偏(Pian)低(Di),(?)而(?)标(Biao)准(Zhun)养(Yang)护(Hu)试(Shi)件(Jian)强(Qiang)度(Du)符(Fu)合(He)要(Yao)求(Qiu)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)该(Gai)桩(Zhuang)为(Wei)人(Ren)工(Gong)挖(Wa)孔(Kong)桩(Zhuang),(?)芯(Xin)样(Yang)上(Shang)部(Bu)和(He)中(Zhong)部(Bu)强(Qiang)度(Du)合(He)格(Ge),(?)下(Xia)部(Bu)偏(Pian)低(Di),(?)应(Ying)是(Shi)桩(Zhuang)内(Nei)有(You)积(Ji)水(Shui)未(Wei)抽(Chou)干(Gan)净(Jing)造(Zao)成(Cheng)水(Shui)灰(Hui)比(Bi)偏(Pian)大(Da),(?)强(Qiang)度(Du)降(Jiang)低(Di)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)供(Gong)应(Ying)人(Ren)工(Gong)挖(Wa)孔(Kong)桩(Zhuang)时(Shi),(?)应(Ying)检(Jian)查(Cha)桩(Zhuang)底(Di)水(Shui)是(Shi)否(Fou)抽(Chou)干(Gan),(?)下(Xia)暴(Bao)雨(Yu)时(Shi)尽(Jin)量(Liang)避(Bi)免(Mian)施(Shi)工(Gong)桩(Zhuang)基(Ji)。(?)

[实(Shi)例(Li)31] 同(Tong)条(Tiao)件(Jian)试(Shi)件(Jian)强(Qiang)度(Du)不(Bu)合(He)格(Ge)。(?)

某(Mou)工(Gong)程(Cheng)一(Yi)层(Ceng)夹(Jia)层(Ceng)墙(Qiang)柱(Zhu)同(Tong)条(Tiao)件(Jian)试(Shi)件(Jian)抗(Kang)压(Ya)强(Qiang)度(Du)C35,(?)标(Biao)准(Zhun)养(Yang)护(Hu)试(Shi)件(Jian)强(Qiang)度(Du)符(Fu)合(He)要(Yao)求(Qiu),(?)而(?)同(Tong)条(Tiao)件(Jian)养(Yang)护(Hu)试(Shi)件(Jian)只(Zhi)达(Da)到(Dao)85%。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)冬(Dong)季(Ji)施(Shi)工(Gong)的(De)现(Xian)场(Chang)同(Tong)条(Tiao)件(Jian)养(Yang)护(Hu)试(Shi)件(Jian)在(Zai)未(Wei)达(Da)到(Dao)600℃(?)·(?)天(Tian)时(Shi)就(Jiu)送(Song)检(Jian),(?)而(?)造(Zao)成(Cheng)强(Qiang)度(Du)偏(Pian)低(Di)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)要(Yao)求(Qiu)工(Gong)地(Di)加(Jia)强(Qiang)同(Tong)条(Tiao)件(Jian)养(Yang)护(Hu)试(Shi)件(Jian)管(Guan)理(Li),(?)记(Ji)录(Lu)每(Mei)天(Tian)平(Ping)均(Jun)温(Wen)度(Du)和(He)累(Lei)计(Ji)温(Wen)度(Du),(?)到(Dao)达(Da)要(Yao)求(Qiu)时(Shi)才(Cai)能(Neng)送(Song)检(Jian)。(?)

[实(Shi)例(Li)32] 楼(Lou)板(Ban)裂(Lie)缝(Feng)与(Yu)养(Yang)护(Hu)。(?)

某(Mou)工(Gong)地(Di)18层(Ceng)梁(Liang)板(Ban)C30泵(Beng)送(Song)混(Hun)凝(Ning)土(Tu),(?)出(Chu)现(Xian)表(Biao)面(Mian)塑(Su)性(Xing)裂(Lie)缝(Feng)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)当(Dang)空(Kong)气(Qi)湿(Shi)度(Du)<100%,(?)混(Hun)凝(Ning)土(Tu)内(Nei)部(Bu)水(Shui)分(Fen)蒸(Zheng)发(Fa)就(Jiu)会(Hui)产(Chan)生(Sheng)干(Gan)缩(Suo)。(?)在(Zai)浇(Jiao)注(Zhu)完(Wan)混(Hun)凝(Ning)土(Tu)后(Hou),(?)施(Shi)工(Gong)人(Ren)员(Yuan)未(Wei)及(Ji)时(Shi)在(Zai)初(Chu)凝(Ning)前(Qian)进(Jin)行(Xing)二(?)次(Ci)抹(Mo)面(Mian)和(He)覆(Fu)盖(Gai),(?)并(Bing)浇(Jiao)水(Shui)养(Yang)护(Hu),(?)且(Qie)外(Wai)界(Jie)天(Tian)气(Qi)炎(Yan)热(Re),(?)高(Gao)层(Ceng)风(Feng)速(Su)很(Hen)大(Da),(?)造(Zao)成(Cheng)混(Hun)凝(Ning)土(Tu)拉(La)应(Ying)力(Li)大(Da)于(Yu)混(Hun)凝(Ning)土(Tu)早(Zao)期(Qi)抗(Kang)拉(La)强(Qiang)度(Du)而(?)产(Chan)生(Sheng)裂(Lie)缝(Feng)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)加(Jia)强(Qiang)对(Dui)施(Shi)工(Gong)单(Dan)位(Wei)宣(Xuan)贯(Guan),(?)针(Zhen)对(Dui)施(Shi)工(Gong)班(Ban)组(Zu)要(Yao)求(Qiu)在(Zai)混(Hun)凝(Ning)土(Tu)初(Chu)凝(Ning)前(Qian)二(?)次(Ci)抹(Mo)压(Ya),(?)消(Xiao)除(Chu)早(Zao)期(Qi)塑(Su)性(Xing)收(Shou)缩(Suo)裂(Lie)缝(Feng),(?)尽(Jin)早(Zao)浇(Jiao)水(Shui)或(Huo)喷(Pen)雾(Wu)养(Yang)护(Hu)防(Fang)止(Zhi)表(Biao)面(Mian)干(Gan)缩(Suo),(?)并(Bing)应(Ying)覆(Fu)盖(Gai)塑(Su)料(Liao)薄(Bao)膜(Mo)或(Huo)养(Yang)护(Hu)毯(Tan)。(?)有(You)条(Tiao)件(Jian)的(De)施(Shi)工(Gong)单(Dan)位(Wei)可(Ke)搭(Da)挡(Dang)风(Feng)墙(Qiang)或(Huo)遮(Zhe)阳(Yang)篷(Peng),(?)做(Zuo)好(Hao)保(Bao)温(Wen)保(Bao)湿(Shi)工(Gong)作(Zuo)。(?)

[实(Shi)例(Li)33] 外(Wai)墙(Qiang)裂(Lie)缝(Feng)。(?)

某(Mou)工(Gong)程(Cheng)地(Di)下(Xia)室(Shi)外(Wai)墙(Qiang)强(Qiang)度(Du)等(Deng)级(Ji)C40P10泵(Beng)送(Song)施(Shi)工(Gong),(?)拆(Chai)模(Mo)后(Hou)一(Yi)个(Ge)月(Yue)内(Nei)多(Duo)条(Tiao)竖(Shu)向(Xiang)贯(Guan)穿(Chuan)裂(Lie)缝(Feng),(?)位(Wei)于(Yu)柱(Zhu)侧(Ce)一(Yi)米(Mi)、(?)跨(Kua)中(Zhong)部(Bu)位(Wei)及(Ji)开(Kai)口(Kou)部(Bu)位(Wei)下(Xia)方(Fang)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)检(Jian)查(Cha)外(Wai)墙(Qiang)水(Shui)平(Ping)筋(Jin)间(Jian)距(Ju)达(Da)200mm,(?)拆(Chai)模(Mo)后(Hou)长(Chang)期(Qi)曝(Pu)露(Lu)于(Yu)空(Kong)气(Qi)中(Zhong),(?)未(Wei)及(Ji)时(Shi)做(Zuo)防(Fang)水(Shui)和(He)回(Hui)填(Tian)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)墙(Qiang)体(Ti)易(Yi)于(Yu)出(Chu)现(Xian)竖(Shu)向(Xiang)收(Shou)缩(Suo)裂(Lie)缝(Feng),(?)水(Shui)平(Ping)筋(Jin)间(Jian)距(Ju)宜(Yi)小(Xiao)于(Yu)150mm,(?)墙(Qiang)体(Ti)中(Zhong)部(Bu)和(He)端(Duan)部(Bu)300~(?)400mm范(Fan)围(Wei)内(Nei)水(Shui)平(Ping)筋(Jin)间(Jian)距(Ju)宜(Yi)为(Wei)50~(?)100mm,(?)墙(Qiang)体(Ti)与(Yu)柱(Zhu)子(Zi)连(Lian)接(Jie)部(Bu)位(Wei)宜(Yi)插(Cha)入(Ru)1500~(?)2000mm、(?)φ(?)8~(?)10mm加(Jia)强(Qiang)筋(Jin),(?)插(Cha)入(Ru)柱(Zhu)子(Zi)200~(?)300mm,(?)插(Cha)入(Ru)边(Bian)墙(Qiang)1200~(?)1600mm;(?)结(Jie)构(Gou)开(Kai)口(Kou)部(Bu)位(Wei)、(?)变(Bian)截(Jie)面(Mian)部(Bu)位(Wei)和(He)出(Chu)入(Ru)口(Kou)部(Bu)位(Wei)适(Shi)量(Liang)增(Zeng)加(Jia)附(Fu)加(Jia)筋(Jin)。(?)墙(Qiang)体(Ti)拆(Chai)模(Mo)后(Hou)不(Bu)易(Yi)养(Yang)护(Hu),(?)应(Ying)采(Cai)用(Yong)花(Hua)管(Guan)喷(Pen)淋(Lin)保(Bao)持(Chi)湿(Shi)度(Du),(?)减(Jian)少(Shao)混(Hun)凝(Ning)土(Tu)收(Shou)缩(Suo),(?)并(Bing)尽(Jin)快(Kuai)做(Zuo)防(Fang)水(Shui)和(He)回(Hui)填(Tian)工(Gong)作(Zuo)。(?)

[实(Shi)例(Li)34] 地(Di)梁(Liang)承(Cheng)台(Tai)沉(Chen)缩(Suo)。(?)

某(Mou)工(Gong)地(Di)的(De)地(Di)梁(Liang)出(Chu)现(Xian)沿(Yan)钢(Gang)筋(Jin)方(Fang)向(Xiang)沉(Chen)缩(Suo)裂(Lie)缝(Feng)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)施(Shi)工(Gong)过(Guo)程(Cheng)混(Hun)凝(Ning)土(Tu)采(Cai)用(Yong)泵(Beng)送(Song)施(Shi)工(Gong),(?)坍(Tan)落(Luo)度(Du)较(Jiao)大(Da),(?)浇(Jiao)注(Zhu)后(Hou)砂(Sha)石(Shi)等(Deng)骨(Gu)料(Liao)密(Mi)度(Du)较(Jiao)大(Da)的(De)材(Cai)料(Liao)向(Xiang)下(Xia)迁(Qian)移(Yi),(?)遇(Yu)到(Dao)钢(Gang)筋(Jin)阻(Zu)隔(Ge),(?)就(Jiu)会(Hui)沿(Yan)钢(Gang)筋(Jin)走(Zou)向(Xiang)产(Chan)生(Sheng)裂(Lie)缝(Feng)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)混(Hun)凝(Ning)土(Tu)坍(Tan)落(Luo)度(Du)不(Bu)宜(Yi)过(Guo)大(Da),(?)浇(Jiao)注(Zhu)完(Wan)毕(Bi)用(Yong)振(Zhen)捣(Dao)棒(Bang)振(Zhen)捣(Dao)后(Hou),(?)在(Zai)初(Chu)凝(Ning)前(Qian)一(Yi)小(Xiao)时(Shi)左(Zuo)右(You)应(Ying)再(Zai)次(Ci)振(Zhen)捣(Dao)并(Bing)抹(Mo)平(Ping)。(?)

[实(Shi)例(Li)35] 柱(Zhu)底(Di)烂(Lan)根(Gen)出(Chu)现(Xian)蜂(Feng)窝(Wo)麻(Ma)面(Mian)。(?)

某(Mou)工(Gong)程(Cheng)浇(Jiao)筑(Zhu)一(Yi)层(Ceng)柱(Zhu)非(Fei)泵(Beng)送(Song)C30混(Hun)凝(Ning)土(Tu),(?)拆(Chai)模(Mo)后(Hou)在(Zai)柱(Zhu)子(Zi)底(Di)部(Bu)和(He)边(Bian)角(Jiao)出(Chu)现(Xian)蜂(Feng)窝(Wo)麻(Ma)面(Mian)。(?)

原(Yuan)因(Yin)分(Fen)析(Xi):(?)柱(Zhu)子(Zi)高(Gao)度(Du)超(Chao)过(Guo)4米(Mi),(?)钢(Gang)筋(Jin)较(Jiao)密(Mi),(?)混(Hun)凝(Ning)土(Tu)从(Cong)顶(Ding)部(Bu)灌(Guan)注(Zhu)时(Shi)产(Chan)生(Sheng)离(Li)析(Xi)。(?)

纠(Jiu)正(Zheng)措(Cuo)施(Shi):(?)要(Yao)求(Qiu)施(Shi)工(Gong)单(Dan)位(Wei)先(Xian)浇(Jiao)筑(Zhu)同(Tong)强(Qiang)度(Du)等(Deng)级(Ji)的(De)砂(Sha)浆(Jiang)垫(Dian)底(Di),(?)然(Ran)后(Hou)浇(Jiao)筑(Zhu)混(Hun)凝(Ning)土(Tu),(?)配(Pei)合(He)比(Bi)砂(Sha)率(Lu)宜(Yi)适(Shi)当(Dang)增(Zeng)加(Jia)。(?)

 

 

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