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浅析商品混凝土夏季施工措施

发布:hn_okhb 浏览:1091次

前言

金誉彩票      SUOWEIXIAJISHIGONGSHIZHIZAIRIPINGJUNQIWENCHAOGUO25℃DETIAOJIANXIAJINXINGHUNNINGTUSHIGONG,ZHEIZHONGQINGKUANGZAIWOGUONANFANGDIQUJIWEICHANGJIAN。

       在这一气候条件下施工对混凝土的不利因素主要有三点,即高温、干燥和大风。

金誉彩票       ZHEIXIEYINSUHUIZHISHIHUNNINGTUTANLUODUSUNSHIZENGDA、NINGJIESHIJIANGUOKUAI、HUNNINGTUZIYOUSHUIXUNSUZHENGFA,DAOZHICHANSHENGSUXINGSHOUSUOLIEFENGHEGANSUOLIEFENG,RUGUOJIAOZHUSHIJIANGUOZHANG,HUICHUXIANXINLAOHUNNINGTUJIEMIANLIANJIEBUJIA,YUNSHUYUBENGSONGKUNNANDENGQINGKUANG,ZUIZHONGZAOCHENGSHIGONGZHILIANGXIAJIANG,HUNNINGTUXINGNENGBIANCHA。WEILEJINLIANGBIMIANZHEIXIEWENTIDECHANSHENG,BIZHERENWEIKEYICONGYIXIAJIGEFANGMIANZUOTANSUO。

1CAILIAODEKONGZHI

       针对混凝土夏季施工特点和夏季的气候因素,首先在混凝土原材料的控制上应采取措施,以保证混凝土质量。

金誉彩票       (1)DUIYUGULIAODUICHANG,QIYEYINGCAIQUFENGBIDUICHANG。

       YILAIJIANSHAOGULIAOFENCHENZAOCHENGDEHUANJINGWURAN;

金誉彩票       ERSHIJIANGDIGULIAOBIAOMIANWENDU,JIANSHAOGULIAOXISHOUBANHEYONGSHUILIANG。

       RUGUOQIYEZAIXIANYOUTIAOJIANXIAWUFAZUODAOFENGBITIAOJIAN,NEIMEZUIJIANDANDEFANGFAJIUSHIDUIGULIAOJINXINGYUJIANGWENCHULI,BIRUSHAISHUI、FUMO。

       (2)SHIDANGZENGJIAKUANGWUWAIJIAJIDECHANLIANG。WENDUDETIGAOHUIJIASUJIAONINGCAILIAODESHUIHUAFANYING,SHIDEKUANGWUWAIJIAJIFANYINGSUDUJIAOMANCHENGWEICIYAOWENTI,XIANGFANNINGJIESHIJIANHETANLUODUSUNSHICHENGWEILEZHUYAOWENTI。SHUINIDESHUIHUASUDUKUAI,GUCIJIANSHAOSHUINIYONGLIANG,SHIDANGZENGJIAKUANGWUWAIJIAJICHANLIANGKEYIYANHUANHUNNINGTUDENINGJIESHIJIAN,YEKEYIJIANXIAOHUNNINGTUDETANLUODUSUNSHI。

       (3)商品混凝土试验室管理人员应及时与水泥企业做好沟通,要求水泥生产企业调整材料参数,例如降低水泥中对水化热影响较大的C3A含量。

同时,水泥进场温度不应超过70℃,否则待温度降低后才能入罐。

SHUINIJINRUJIAOBANJIWENDUYINGKONGZHIZAI40℃,YANJINGANGSHENGCHANCHULAIDESHUINIZHIJIESHIYONG。

金誉彩票       (4)YUHUAXUEWAIJIAJISHENGCHANQIYEZUOHAOGOUTONG,JIANGQIYESUOYONGSHUININADAOHUAXUEWAIJIAJISHENGCHANQIYEJINXINGSHIYAN,DIAOZHENGHUAXUEWAIJIAJICHENGFENCANSHU,SHIDELIANGZHEXIANGRONGXINGZUIJIA,TONGSHIYINGSHIDANGTIGAOHUANNINGCHENGFEN,YANZHANGHUNNINGTUNINGJIESHIJIAN。

2SHENGCHANYUNSHUDEKONGZHI

       (1)SHIYANRENYUANYINGYANGEANZHAOQIYEXIAJIPEIHEBIJINXINGJILIANGBANHE,DANGHUNNINGTUBUNENGMANZUYAOQIUSHIYINGYOUSHIYANYUANXIANGSHIYANSHIZHURENHUIBAO,YOUSHIYANSHIZHURENZHONGXINCELIANGBINGJISUAN,YANJINQITARENYUANSHANZIGENGGAIPEIBI。

金誉彩票       BIZHEZOUFANGHENDUOJIAOBANZHAN,FAXIANHENDUOJIAOBANLOUCAOZUOGONG,ZHIJIEGENJUZIJISUOXIANGGENGGAIPEIBI,MEIYOUYUSHIYANSHIZHURENJINXINGGOUTONG,ERDIAOZHENGDEYUANYINJIBENDOUSHIDANYIDETANLUODUBIANHUAQINGKUANG。

金誉彩票       (2)SHOUPANHUNNINGTUCHUJIHOUYINGJISHIDUIBANHELIAODETANLUODU、HANQILIANG、CHUJIWENDUDENGJINXINGCEDING,PANDINGSHIFOUMANZUSHIGONGYAOQIU,ZHIDAOXIAPANHUNNINGTUDEPEILIAO。

       (3)JIAOBANCHECHEGUANYINGYOUZHEYANGCUOSHI,HUOZHEYINGJIANGGUANTITUSHUACHENGBAISEYOUQI,ZENGQIANGGUANTIBIAOMIANDUITAIYANGGUANGDEFANSHENENGLI。

       (4)YUNSHUGUOCHENGZHONGYIMANSUJIAOBANHUNNINGTU,YANJINZAIYUNSHUGUOCHENGZHONGJIASHUIJIAOBAN。

金誉彩票       (5)SHIYANSHIGONGZUORENYUANYINGJINGCHANGCEDINGHUNNINGTUDEJINGSHISUNSHI,DUISHUJUJINXINGTONGJIFENXI,TANSUOXINBANHUNNINGTUZAIWENDU、JULIGUOCHENGZHONGDETANLUODUSUNSHIGUILV,WEIRIHOUJINXINGPEIHEBIDIAOZHENGZUOHAOGONGZUO。

3JIAOZHUYANGHUDEKONGZHI

       (1)ZAIXIAJIJINXINGHUNNINGTUJIAOZHUSHI,MOBAN、GANGJIN、LAOHUNNINGTUJICENGYAOSHAISHUIRUNSHI、JIANGWEN。

在浇筑过程中,要合理分段分层,使新老混凝土浇筑间隔时间缩短。避免在阳光直射下进行浇筑,尽量安排在早晚和夜间进行浇筑。

金誉彩票JIAOZHU、ZHENDAOGUOCHENGJINLIANGXUNSUJINCOU,JIANGESHIJIANBUNENGTAIZHANG。

       (2)XIAJIWEILEBIANYUSHIGONG,YIBANTANLUODUDOUYAOQIUBIJIAODA,ZAISHIGONGZHENDAOGUOCHENGZHONGGUOZHENHUIJIANGSHUINIJIANG、SHAJIANG、CUGULIAOCONGSHANGCENGZHIXIACENGFENBU,ZHEIYANGHUNNINGTUBIAOMIANDESHUINIJIANGZAIXIACENGSHAJIANGHESHIZIDEYUESHUXIAJIYICHANSHENGSHOUSUOLIEFENG。

金誉彩票       YINCI,ZAIHUNNINGTUJIAOZHUGUOCHENGZHONG,BUYINGJIZHONGBULIAO,YINGCAIQUFENSANBULIAO,RANHOUYONGGONGJUJIANGHUNNINGTUJIBENBAPING,YANJINYONGZHENDAOBANGJIANGHUNNINGTUTUIPING,JIEZHEJINXINGMEIHUASHIZHENDAO,YANJINZHENDONGBANGSICHULUANSHUAI,ZHENDAOBANGCHARUDEDIANHEDIANZHIJIAN,YIBANYINGXIANGJU40cmZUOYOU。ZHENDAOBANGYAOCHUIZHISHANGXIA,ERQIECAOZUOZHENDONGBANGSHIYAOSHIZHENDONGBANGKUAICHAMANBA。

金誉彩票       DUIYUXIAJITANLUODUJIAODADEHUNNINGTU,ZHENDAOSHIJIANBUYICHAOGUO15s;

       严禁振动棒插入混凝土后任其振捣;

       ZHENDAOJUNYUNMISHI,YIGUANCHACUGULIAOZAIHUNNINGTUDEGEGECENGMIANSHANGNENGJUNYUNFENBUWEIJIZHUN,SHIHUNNINGTUBUXIACHEN、BUMAOQIPAO、BUFANJIANG,BIAOMIANPINGTAN。

金誉彩票       (3)ZAIXIAJISHIGONGZHONG,ZUIWEIZHONGYAODEHAIYINGSHUJIAOZHUHOUDEYANGHUGONGZUO,XIANQIANKONGZHIDEZAIHAO,RUOYANGHUBUDAOWEI,HUNNINGTUHAISHIHUICHUXIANZHILIANGWENTI。

       YINWEIHUNNINGTUZAIGAOWENXIASHUIFENZHENGFASUDUJIKUAI,ERDALIANGSHUIFENDEZHENGFAJIANGHUIYINGXIANGJIAONINGCAILIAODESHUIHUA,YINGXIANGHUNNINGTUXINGNENGDEFAZHAN。

       TONGSHI,DALIANGDESHUIFENXUNSUZHENGFA,BUJINCHANSHENGJIAODADEGANSUOBIANXING,ERQIEGANSUOSHOUSUOSUDUJIAOKUAI,QIEZAIHUNNINGTUQIANGDUBUGAODEQINGKUANGXIAFASHENG,JIYIZAOCHENGHUNNINGTUDEKAILIE。

       YINCI,ZAIXINBANHUNNINGTUJIAOZHUWANCHENGHOUYINGZUOHAOHUNNINGTUDEYANGHUGONGZUO,TONGCHANGKEYICAIQUFUGAISULIAOBOMO,SASHUIBAOSHIYIJIPENSHUAHUNNINGTUYANGHUYE。

4ZONGJIE

       ZUOWEISHANGPINHUNNINGTUQIYEDESHIYANSHIGUANLIRENYUAN,BUDANZAIJISHUSHANGYAOYOUGUOYINGDENENGLI,GENGYAOHUIYUSHIGONGDANWEIJINXINGGOUTONGJIAOLIU。

       ZAIXIAJIHUNNINGTUSHIGONGGUOCHENGZHONG,ZUOWEIQIYESHIYANSHIRENYUAN,YAOZUOZUCHONGFENDEZHUNBEI,JIANGKENENGCHUXIANDEWENTIJIANDAOZUISHAO,NEIMEGUANYUHUNNINGTUZHILIANGWENTIJIANGHUISHAOZHIYOUSHAO。


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