進水泵口設計高塔架的研究

 

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、可ke泵beng性xing以yi及ji流liu動dong性xing等deng功gong能neng特te性xing。施shi工gong過guo程cheng中zhong
，混hun凝ning土tu的de可ke泵beng性xing會hui直zhi接jie影ying響xiang到dao混hun凝ning土tu施shi工gong綜zong合he質zhi量liang水shui平ping
，通tong常chang采cai用yong壓ya力li泌mi水shui試shi驗yan結jie合he實shi際ji施shi工gong經jing驗yan對dui混hun凝ning土tu可ke泵beng性xing進jin行xing有you效xiao控kong製zhi。據ju大da量liang施shi工gong經jing驗yan可ke知zhi，混hun凝ning土tu的de可ke泵beng性xing應ying滿man足zu10s時，混凝土的相對壓力泌水率S10應不超過40%，zheyangpeizhidehunningtucaijubeijiaoweilianghaodebengsongtexing。shigongxianchangshigongdanweigenjushejijishuyaoqiuhexianchangshijiqingkuang
，yangeanzhaoxiangguanguidingchengxushengchanchulefuhetoutunheshuikushejishigongjishuyaoqiudebengsonghunningtu，weihunningtujiegoushigongzhiliangtigonglezhongyaodebaozhang。