C35机制砂水下混凝土灌注桩配合比设计及应用  

Mix proportion design and application of C35 machine-made sand concrete pile under water

作　　者：魏岳雷 WEI Yue-lei(China Railway twenty-two Bureau fourth Engineering Co.Ltd.Jintai railway project,Hebie 073104)

机构地区：[1]中铁二十二局集团第四工程有限公司金台铁路项目,河北保定073104

出　　处：《黑龙江交通科技》2020年第12期66-67,共2页Communications Science and Technology Heilongjiang

摘　　要：用机制砂配制C35水下混凝土,通过原材料检验,混凝土拌合物工作性、硬化混凝土强度及耐久性验证,其性能满足工程项目混凝土施工技术指标,并在金华至台州铁路项目临海特大桥桩基施工中得到了应用。In this paper C35 underwater concrete is made of machine-made sand,through the inspection of raw materials,workability of concrete mixture、proof of strength and durability of hardened concrete,meet the railway concrete index.It can be used for pile foundation construction of Jinhua Taizhou railway project.

关 键 词：水下混凝土 机制砂 混凝土强度 

分 类 号：U445[建筑科学—桥梁与隧道工程]