The massive concrete proportion design for main pier bearing platform of Sifangtai Bridge in winter construction was mainly introduced.
本文重点介绍了四方台大桥主墩承台大体积混凝土冬季施工配比的设计。
The stability of single layer shell is the main control factor of its construction design, which the primary proportion is the dynamics stability.
单层网壳的稳定性能是该种结构设计的主要控制因素，动力稳定是单层网壳稳定性能的主要组成部分。
This paper briefly introduces the developing history, advantages, design methods of match proportion of powdery coal ash concrete and the points for attention in construction as well.
简要介绍了粉煤灰混凝土的优点、配合比设计方法以及施工注意事项。
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