崇启大桥C35承台混凝土配合比设计和优化.pdf

文档介绍：学兔兔
2015年第 1期(总第 303期) 混凝土实用技术
Number 1 in 2015 I Total ) Total I 2015 Number in 1 Concrete P]RACTICAL TECHN0LOGY
doi:—
崇启大桥 C35承台混凝土配合比设计与优化
刘冠国,马爱斌。秦鸿根。张萍
(,江苏南京 210098;,江苏南京 211112;
,江苏南京 211198)
摘要:以崇启大桥承台混凝土施工为依托,结合大体积混凝土质量控制关键点,提出配合比设计方案,通过对混凝土的工作性
能、力学性能及各项耐久性性能的分析和研究,最终得到配合比优化方案。
关键词:大体积混凝土;配合比;粉煤灰;耐久性
中图分类号: 文献标志码:A 文章编号:1002—3550(2015)O卜0151-04
Mixproportion design andoptimization forC35 pileconcrete of Chongqibridge
LJUGuanguo ,MAAibin ,Q Honggen ,ZHANGPing。
( of Mechanics and Materials,Hohai Unive~ity,Nanjing 210098,China; Transportation Research Institute Co.,Ltd., MechanicsMaterials,Hohaiand( Unive~ity,Nanjing of 210098,China; Institute Research Transportation
Nanjing 211112,China; of Materials Science and Engineering,Jiangsu Key Laboratory of Civil Engineering Material, Material, Engineering 211112,China; Civil Nanjing of Key Engineering,JiangsuandLaboratory Science Materials of
Southeast University,Nanjing 21 1 189,China) 1 University,Nanjing 21 Southeast
Abstract:Forthe construction of platform concrc~of Chongqi bridge bined with key control,the ofquality points max designs
mix finally proportion was obtained through the study workof performace,mechanical pr