太阳2

建筑工程裂缝如何产生的?
编辑:太阳2     发布时间:2020-10-22

  影响结构裂缝的主要因素有:温差或收缩、线膨胀系数、弹性模量、板厚或墙高、地基对结构的约束程度、结构长度、材质组成和物理力学性质,以及施工工艺和环境影响等。太阳2表示大约80%的建筑工程裂缝是由上述因素引起的。

  一、材料不合格引起的裂缝

  (YI)SHUINIBUHEGEHUOSHUINIPINZHONGSHIYONGBUDANGYINQIDELIEFENG

  1.YUANYINFENXI:

  (1)SHIYONGANDINGXINGBUHEGEDESHUINI,ZAISHUINISHUIHUAHOUNINGJIEYINGHUAGUOCHENGZHONG,ZAIYOUHAIWUZHIZUOYONGXIA,CHANSHENGLEJULIEDEBUJUNYUNDETIJIBIANHUA,ZAIGOUJIANNEIBUHUICHANSHENGPOHUAIYINGLI,DAOZHIHUNNINGTUQIANGDUXIAJIANG、KAILIE;

  (2)BUTONGPINZHONG、BUTONGBIAOHAODESHUINI,QIXINGNENGWANQUANBUTONG,SHUIHUAHOUCHUNINGHEZHONGNINGDESHIJIANBUTONG,SHOUSUOLVYEBUTONG,ZAOCHENGKAILIE;

  (3)SHIGONGRENYUANBUWANQUANLEJIESHUINIDEXINGZHIHUOBUQINGCHUGONGCHENGDEXINGZHI,LANYONGSHUINI,YOUMEIYOUCAIQUXIANGYINGDEJISHUCUOSHI,YINERZAOCHENGPOHUAISHIGUHUOCHANSHENGLIEFENG。

  2.FANGZHICUOSHI:

  (1)TONGQIANGDUDENGJIDIYUSHEJIYAOQIU,LIEFENGKUANDUDAYU0.3 mmSHI,XUFANGONGCHULI;

  (2)JINGJIANCHA,GOUJIANDEHUNNINGTUQIANGDUDENGJIYIDADAOSHEJIYAOQIU,QIELIEFENGKUANDUXIAOYU0.3 mmSHI,KECAIYONGHUAXUEZHUJIANGDENGFANGFADUILIEFENGJINXINGFENGBICHULI。

  (ER)SHA、SHIJILIAOZHONGHANNILIANGCHAOBIAO,XISHAHUOWAIJIAJIXUANYONGBUDANGZAOCHENGGOUJIANLIEFENG

建筑工程裂缝如何产生的?

  1.YUANYINFENXI:

  (1)CAIYONGLIEZHICHANPIN,CHANRUHOUMEIYOUQIDAOYINGYOUDEZUOYONG,ZHIJIEYINGXIANGGOUJIANDEZHILIANG,ZAOCHENGHUNNINGTUDEQIANGDUXIAJIANG,CHUXIANLIEFENG;

  (2)GULIAODEHANNILIANGKONGZHIBUYAN,GULIAOBIAOMIANFUZHEDENIANTU、HUICHENHEYOUJIZAZHI,YINGXIANGLESHUINIDENIANJIE,SHINIJIANGFUZAIGOUJIANBIAOCENG,DANGHUNNINGTUGOUJIANYINGHUAHOUBIANCHANSHENGWANGZHUANGGANSUOLIEFENG;

  (3)PEIBIBUZHUNQUE,ZAOCHENGWAIJIAJIDECHANLIANGGUODA,SHIHUNNINGTUBANHEWUBUNENGYINGHUA,ZAOCHENGHUNNINGTUGOUJIANPOHUAI。

  2.FANGZHICUOSHI:

  (1)JINGJIANCEGOUJIANHUNNINGTUQIANGDUDENGJIDIYUSHEJIYAOQIUSHI,BIXUHUITONGYOUGUANBUMENYANJIUJIAGUCHULIFANGAN;

  (2)ZAOCHENGGOUJIANDELIEFENGSHI,YINGXIANJIANCEGOUJIANHUNNINGTUDEQIANGDU。RUNENGMANZUSHEJIYAOQIU,KEGENJULIEFENGSHIJIDEKUANDU、ZHANGDU、WEIZHIDENG,KECAIYONGHUAXUEZHUJIANGDENGFANGFADUILIEFENGJINXINGFENGBICHULI,HUIFUYUANYOUGONGNENGHEFANGZHIGANGJINXIUSHI。

  二、模板系统造成混凝土构件裂缝

  (YI)MOBANZHIJIABUGUIFANCHANSHENGDELIEFENG

  1、YUANYINFENXI:

  (1)MOBANZHISHEQIAN,MEIYOUGENJUGONGCHENGJIEGOUXINGSHIHESHANGBUHEZAIDEDAXIAO,JISUANQUEDINGZHIJIADEYONGCAIGUIGEHEJIANJUDAXIAO,MANGMUGUJIQUEDING,ZAOCHENGSHIGONGSHICHENGZAILI、GANGDUBUZUDEBIANXING,ZHISHIXINJIAOHUNNINGTULIEFENG(RUTU1、TU2),YANZHONGDEHAIHUIFASHENGTANTASHIGU;

  (2)SHIGONGGUANLIBUDANG。ZHILIDICENGMOBANZHIQIANMEIYOUXIANHANGSHIJITUHEPUSHEDIANCENG,ZEJITUDABUDAOCHILICENGDEBIAOZHUN;HUOTUZHIGANYING,ZAIHUNNINGTUJIAOZHUGUOCHENGZHONG,JITUBEIJIAOSHUI、SHENSHUILINSHIHOURUANHUA,ZAISHANGBUHEZAIDEYALIXIAZHIJIACHENJIANGBIANXING,ZAOCHENGTONGGOUJIANCHANSHENGLIEFENG。

  2.FANGZHICUOSHI:

  (1)JIANCHABIANXINGGOUJIANDESHIJIQINGKUANG,RULIANG、BANJUBUWANQUBIANXINGZUIDAZHIXIAOYU20mmSHI,KEBUZUOCHULI,JINXUZAIMOHUISHIJIUZHENGWAIGUANJIKE;

  (2)JIANCHAGOUJIANSHANGBULIEFENGDEKUANDU,JISHICAIYONGGUANJIANGMOYAMISHI,BINGJIAQIANGSHIYANGHU。

  (ER)MOBANZHIJIALIZAILOUBANSHANGZAOCHENGDELIEFENG

  1、YUANYINFENXI:

  (1)DUOCENGFANGWUSHIGONGSHI,SHANGCENGMOBANDELIZHUZHIZAIXIACENGXINJIAOZHUDEGANGJINHUNNINGTULOUBANSHANG,ZAOCHENGLOUBANBIANXINGHELIEFENG。LIEFENGDEKUANDUZAILOUBANDEDIKUAN、SHANGZHAI;LIEFENGSHIKUAZHONGDUO、SIBIANSHAO;

  (2)RUOXIACENGXINJIAOZHUGANGJINTONGLOUBANDEDIMOHEZHICHENGYICHAICHU,ZAISHANGCENGMOBAN、ZHIJIAHEJIAOZHUHUNNINGTUDESHIGONGHEZAIDAYULOUBANDEWANQUKANGYAQIANGDUSHI,HUICHANSHENGBIANXINGHELIEFENG;

  (3)YOUDEGONGCHENGSHIGONGSUDUJIAOKUAI,XIACENGXINJIAOHUNNINGTULOUBANDEHUNNINGTUQIANGDUHAIWEIDADAOSHEJIZHI,YINSHANGXIACENGMOBANDEZHICHENGLIZHUMEIYOUDUIZHUN,ZAISHANGBUJIZHONGHEZAIDEZUOYONGXIA,SHILOUBANJUBUCHANSHENGBIANXINGHELIEFENG。

  2、FANGZHICUOSHI:

  (1)JIANCHALOUBANLIEFENGCHU,LIJIJIASHEZHICHENGJINXINGJIAGU,YIFANGZHILOUBANJIXUBIANXINGHELIEFENGDEKUODA;

  (2)JIANCHALIEFENGKUANDU,DANGLIEFENGKUANDUXIAOYU0.2mm,WANQUBIANXINGXIAOYUKUADUZHANGDE1/1000SHI,KECAIYONGGUANJIANGFENGBI,HUIFUYUANYOUGONGNENGHEFANGZHIGANGJINXIUSHI;

  (3)DANGLIEFENGKUANDUDAYU0.3mmSHI,XUJIAQIANGGUANCE,QINGXIANGGUANRENYUANYANJIUJIAGUFANGAN。

  (SAN)ZAOCHAIDIMOYUZHIJIAZAOCHENGDEGOUJIANLIEFENG

  1.YUANYINFENXI:

  (1)TIQIANCHAICHUCHENGZHONGLIANG、BANDIMO,ZAOCHENGGOUJIANCHENGZAILIBUZUERBIANXINGHELIEFENG;

  (2)TIQIANCHAICHUXUANTIAOLIANG、XUANTIAOBANDIMO,ZAOCHENGTONGGOUJIANQINGFU、DUANLIEHELIEFENG;

  (3)RUOXUANTIAOGOUJIANMAOGUDUANSHANGBUSHANGMEIYOUKANGQINGFUDEZHUANQITIHUOHEZAISHI,CHAICHUDIMOYUZHIJIASHI,HUIZAOCHENGXUANTIAOGOUJIANQINGFUSHIGU;

  (4)DONGJISHIGONGQIWENJIAODISHI,RUOSHIYONGDESHUINIPINZHONGBUDANG,RUCAIYONGKUANGZHAGUISUANYANSHUINIHUOHUOSHANHUIGUISUANYANSHUINIPEIZHIHUNNINGTU,ZEGAIHUNNINGTUQIANGDUZENGZHANGHUANMAN;DANGONGDIRENGANZHAOCHANGGUISHIJIANCHAICHUDIMOYUZHIJIA,ZAOCHENGGOUJIANQIANGDUBUZUERCHANSHENGBIANXING、LIEFENG。YANZHONGSHI,HAIHUICHANSHENGDUANLIEHUOTANTASHIGU。

  2.FANGZHICUOSHI:

  (1)JIANCHALIEFENGKUANDU,DANGLIEFENGKUANDUXIAOYU0.2mm,WANQUBIANXINGXIAOYUKUADUZHANGDE1/1000SHI,CAIYONGGUANJIANGFENGBI;

  (2)DANGLIEFENGKUANDUDAYU0.3mmSHI,XUJIAQIANGGUANCE,JISHIQINGXIANGGUANRENYUANYANJIUJIAGUCHULIFANGAN。

  三、钢筋施工不规范造成的构件裂缝

  (YI)XUANTIAOGOUJIANDEGANGJINFANGCUOHEXIACHENCHANSHENGDELIEFENGHEDUANLIE(RUTU3、TU4)

  1.YUANYINFENXI:

  (1)XUANTIAOGOUJIANZAIQIANGUZHIZUOCHUSHISHOUFUWANJU(SHANGBUSHOULA,XIABUSHOUYA),YUJIANZHILIANGJIEGOUDESHOULIQINGKUANGGANGHAOXIANGFAN。XUANTIAOJIEGOUDESHOULIGANGJINYINGZAISHANGBU,RUGUOCUOJIANGSHOULIZHUJINDAOFANG,BIJIANGZAOCHENGSHIGU;

  (2)CAOZUOBUGUIFAN,RUXUANTIAOLIANGHEBANDEHUNNINGTUJIAOZHUSHI,BUDASHECAOZUOPINGTAIBAN,ERSHICAITAZAIGANGJINMIANSHANG,CHANGBATIAOLIANGSHANGBUDEZHUJINCAITAXIACHEN,CONGERZAOCHENGLIEFENGHUODUANLIE;

  (3)SHIGONGDANWEIDUIXUANTIAOJIEGOUZHONGSHIBUGOU,NONGCUOZHUJINZHIJINGHUOFANGFANZHUJIN,HUOSHOULIXIACHENWEIYIZHIDA,XUERUOLEXUANTIAOJIEGOUDECHENGZAINENGLI,HUOHUNNINGTUQIANGDUDENGJIDIYUSHEJIYAOQIU,GUOZAOCHAIMO,ZHISHIXUANTIAOGOUJIANYANQIANGUDUANGENBULIEFENGHEDUANZHE。

  2.FANGZHICUOSHI:

  JIANCHAYIJINGLIEFENGDEXUANTIAOLIANGZHONGDEGANGJINZHIJING、JIBIE、SHULIANG,RUOZHIJING、SHULIANG、WEIZHIYUSHEJIBUFUSHI,BIXUJISHIFANGONG,GENGHUANHEGEDEGANGJIN。

  (ER)XIANJIAOLOUBANDEFUWANJUPEIJINBUGUIFANCHANSHENGDELIEFENG

  1.YUANYINFENXI:

  (1)XIANJIAOLOUBANDEFUWANJUGANGJINHUOFUJIAGOUZAOJINLOUFANG、CAITA、XIACHENDENG,DAOZHIBANYANFUWANJUQUYINGLIJIAODACHUCHANSHENGLIEFENG;

  (2)XUANTIAOBANDEZHUANJIAOFUJIAJINLOUFANGHUOSHAOFANG,ZAOCHENGBANJIAOCHUDEXIELIEFENG;

  (3)SHIGONGQIANJIAODIBUQING,DUIBANDEFUWANJUPEIJINHUOFUJIAGOUZAOJINSHEZHIBUZHONGSHI,MEIYOUCAIQUYOUXIAODEJISHUCUOSHIYIQUEBAOGANGJINDEJIAKONGWEIZHI。

  2.FANGZHICUOSHI:

  (1)DUIYIJINGJIAOZHUHAODEHUNNINGTULOUBAN,RUYOULIEFENG,FENGKUANDAYU0.3 mmSHI,XUHUITONGXIANGGUANRENYUANCHAMINGYUANYIN,CAIQUJIAGUCUOSHI;

  (2)RUOFUWANJUPEIJINSHAOFANGHUOXIACHEN,YINGCAIQUJIAGUBUQIANGCUOSHI。

  四、混凝土裂缝

  (YI)HUNNINGTUDESUXINGGANSUOLIEFENG

  GANSUOLIEFENG:DANGJIAOZHUDEHUNNINGTUSHANGCHUYUSUXINGZHUANGTAISHI,YOUYUYANREDUOFENGSHISHUIFENZHENGFAGUOKUAI,MISHUILVXIAOYUBIAOMIANZHENGFALV,YINQIGOUJIANBIAOMIANSHISHUIGUODUOERKAILIE。LIEFENGZONGHENGJIAOCUO,MEIYOUGUILVXING,DUOYANBANDUANXIANGFENBU。LIEFENGSUIZHESHIJIANDEYANZHANGXIANGHUNNINGTUNEIBUFAZHAN;LIEFENGDUANDUANXUXU,SILIANFEILIAN,YOUSHICHENGGUIBANZHUANG,ZHEIZHONGLIEFENGYIBANCUERDUAN,LIEFENGDAOGANGJINWEIZHI。

  1、YUANYINFENXI:

  (1)SHIYONGSHOUSUOLVJIAODADESHUINI;HUOSHUINIYONGLIANGDUO,YONGSHUILIANGDA,XIANCHANGSIZIJIASHUIHUOYINWAIJIAJIYINGXIANG,RULVHUAGAIDENGCHANGHUIJIADAHUNNINGTUDEGANSUOZHI;

  (2)TI、BIAOBIZHIXIAODEGOUJIAN,HUNNINGTUZHONGDESHUIFENRONGYIZHENGFA,GOUJIANRONGYIGANSUO;

  (3)DUIXINJIAOZHUHUNNINGTUDEZHEGAI、DANGFENGHESHIYANGHUBUJISHI。DANGFENGSUCONGWUFENGDAOLIUJIDAFENG,HUNNINGTUZHONGDESHUIFENZHENGFALIANGZENGDA3BEI,KONGQIZHONGDESHIDUYOU90%XIAJIANGDAO50%,SHUIFENZHENGFASUDUZENGJIA5BEI;HUANJINGQIWENYOU10℃SHENGGAODAO20℃,SHUIFENZHENGFALIANGZENGDA1BEI;

  (4)GAOWEN、GANZAO、DAFENGDENGSHIHUNNINGTUSHISHUIGUOKUAI,SHISHUISUDUDAYUHUNNINGTUMISHUISUDU。SUXINGHUNNINGTUZAIBIAOMIANSHOUSUOHENEIBUYUESHUZUOYONGXIA,BORUODEYINGJIEBIAOMIANJIUHUICHANSHENGLAYINGLI,ZAOCHENGZHANGDUBUDENGDELIEFENG。

  2、FANGZHICUOSHI:

  YONGGANGSIBANSHUAHUOPINGMIANSHALUNJIMOCHUSHUINIJIEMOHEJINXINGMAOHUACHULI,SAOCHUCHONGXIGANJING,LIANGGAN。YONGJUHEWUSHAJIANG”XIUFUZHAOPINGJIKE。

  (ER)DATIJIHUNNINGTUDEWENCHALIEFENG

  DATIJIHUNNINGTU:JIEGOUDUANMIANZUIXIAOCHICUNZAI800mmYISHANG,TONGSHISHUIHUAREYINQIDEHUNNINGTUNEIZUIGAOWENDUYUHUANJINGQIWENZHICHAYUJICHAOGUO25℃DEHUNNINGTUGOUJIAN。DATIJIHUNNINGTUGOUJIAN,ZAIYINGHUAQIJIAN,SHUINIDESHUIHUAREJIAOGAO,JIASHANGGOUJIANHOUDUDA,NEIBUWENDUBUYISANFA,GOUJIANWAIBIAOSUIZIRANQIWENXIAJIANG,NEIWAIWENCHADAYU25℃SHI,ZEWAIBIAOCHANSHENGLENGSUOYINGLI,DANGYINGLIDAYUDANGSHIHUNNINGTUDEKANGLAQIANGDUSHI,CHANGCHANSHENGPOHUAIXINGJIAODADEGUANCHUANGOUJIANDELIEFENGHUOSHENQIANBUDENGDELIEFENG。

  1、YUANYINFENXI:

  (1)HUNNINGTULIUDONGXINGDA、TANLUODUDA,YONGSHUILIANGDA、SHUINIYONGLIANGDUO、SHALVDA,YINERSHUINIDESHUIHUAREDA。JIAOZHUSUDUKUAI,SHIDATIJIHUNNINGTUNEIWAIWENCHADA,BIAOMIANSANREKUAI,SHOUSUODA,YINERCHANSHENGLIEFENG;

  (2)DATIJIHUNNINGTUZHONGSHUINISHIYONGBUDANG,DANGSHUINIZHONGDEGUISUANSANGAI(Ca3Si)DEHANLIANGGAODA5.5%SHI,ZEMEIQIANKESHUINIDEFARELIANGSHI377kJ,BITONGBIAOHAOKUANGZHASHUINIDEFARELIANGDA42 kJ,ZEGOUJIANZHONGDEWENDUCHABIYAOQIUDA11%ZUOYOU,GENGRONGYICHANSHENGWENCHALIEFENG;

  (3)WEILEMANZUHUNNINGTUSHEJIQIANGDUDEYAOQIU,CHANGCHANGZAIPEIHEBIZHONGJIADASHUINIYONGLIANG,TIGAOSHUINIBIAOHAO,LIANGZHEDOUHUIYINQIGAOSHUIHUARE。ZAISHIGONGHUANJINGWENDUXIAJIANGSHI,YOUMEIYOUCAIQUYOUXIAODEJISHUCUOSHI,YINERCHANSHENGLIEFENG。

  2、FANGZHICUOSHI:

  (1)DATIJIHUNNINGTUWENDUDEKONGZHIZHIBIAOBUYIDAYUXIALIESHUZHI:

  ①DATIJIHUNNINGTUDEJIAOZHURUMOWENDUKONGZHIZAI28℃YINEI。XIAJIGAOWENSHIGONGSHI,YINGCAIQUJIANGWENCUOSHI,KONGZHIHUNNINGTUWENDUBUCHAOGUO28℃;

  ②DATIJIHUNNINGTUDEJIAOZHURUMOHOUZUIDAWENSHENGZHIWEI35℃。BIYAOSHIKECAIYONGRENGONGDAOREFAZAIHUNNINGTUZHONGMAIRULENGQUESHUIGUAN,YONGXUNHUANSHUIJIANGDIHUNNINGTUNEIBUWENDU;

  ③TONGJIAOZHUGOUJIANNEIWAIWENCHAYINGKONGZHIZAI25℃YINEI。

  (2)ZAIJIAOZHUDATIJIHUNNINGTUSHIBIXUCAIQUXIALIEJISHUCUOSHI:

  ①XUANYONGSHUIHUAREDIDESHUINI,RUKUANGZHAGUISUANYANSHUINI、FENMEIHUIGUISUANYANSHUINIDENG。YEKEKAOLVZAIPUTONGGUISUANYANSHUINIZHONGCHANRUFENMEIHUIDENGCHANHELIAO,YIJIANGDISHUINISHUIHUARE;

  ②XUANZEHELIDESHA、SHIJIPEI,YANGEKONGZHIHANNILIANGYINGBUDAYU1.0% ;

  ③ZAIHUNNINGTUZHONGCHANRUYIDINGDEWAIJIAJI,JINLIANGJIANSHAOSHUINIYONGLIANG,JINGSHEJIDANWEITONGYI,KELIYONGHUNNINGTU60 dDEHOUQIQIANGDUZUOWEIHUNNINGTUDEQIANGDUPINGDING。

  (3)LIEFENGCHULICUOSHI:

  ①JINGGUANCELIEFENGYIJINGWENDING,XIANJIANGLIEFENGQINGLIGANJING,YONGYALISHUICHONGXIBINGLIANGGAN;

  ②CAIYONGGUANJIANGFENGBICHULI,JIANGKAILIEDEHUNNINGTUZUHECHENGZHENGTI,HUIFUYUANYOUDEGONGNENG。


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