設計將過流麵變更為C60高強矽粉混凝土,980.7高程以上水位變動區塔架混凝土變更為C30F300W6混(hun)凝(ning)土(tu),提(ti)高(gao)了(le)抗(kang)凍(dong)等(deng)級(ji),塔(ta)架(jia)閘(zha)室(shi)兩(liang)側(ce)增(zeng)加(jia)丙(bing)乳(ru)砂(sha)漿(jiang)抹(mo)麵(mian)。工(gong)程(cheng)施(shi)工(gong)過(guo)程(cheng)中(zhong)采(cai)用(yong)混(hun)凝(ning)土(tu)泵(beng)博(bo)山(shan)消(xiao)防(fang)泵(beng)送(song)技(ji)術(shu)進(jin)行(xing)施(shi)工(gong)。施(shi)工(gong)單(dan)位(wei)經(jing)過(guo)現(xian)場(chang)大(da)量(liang)的(de)試(shi)驗(yan)分(fen)析(xi)研(yan)究(jiu),對(dui)混(hun)凝(ning)土(tu)的(de)配(pei)製(zhi)進(jin)行(xing)了(le)優(you)化(hua),在(zai)施(shi)工(gong)過(guo)程(cheng)中(zhong)取(qu)得(de)了(le)非(fei)常(chang)良(liang)好(hao)的(de)社(she)會(hui)經(jing)濟(ji)效(xiao)益(yi)。
混凝土配合比泵送混凝土配合比,除了要必須滿足混凝土設計強度和耐久性等技術指標要求外,還應滿足泵送工藝中的和易性、kebengxingyijiliudongxingdenggongnengtexing。shigongguochengzhong,hunningtudekebengxinghuizhijieyingxiangdaohunningtushigongzonghezhiliangshuiping,tongchangcaiyongyalimishuishiyanjieheshijishigongjingyanduihunningtukebengxingjinxingyouxiaokongzhi。judaliangshigongjingyankezhi,hunningtudekebengxingyingmanzu10s時,混凝土的相對壓力泌水率S10應不超過40%,zheyangpeizhidehunningtucaijubeijiaoweilianghaodebengsongtexing。shigongxianchangshigongdanweigenjushejijishuyaoqiuhexianchangshijiqingkuang,yangeanzhaoxiangguanguidingchengxushengchanchulefuhetoutunheshuikushejishigongjishuyaoqiudebengsonghunningtu,weihunningtujiegoushigongzhiliangtigonglezhongyaodebaozhang。
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