水泥土无侧限抗压强度的尺寸效应.pdf
文档页数：4文档大小：1.58MB文档格式：pdf粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2016NO.5 试验与应用 水泥土无侧限抗压强度的尺寸效应* The Size Effect of Unconfined Comprehensive Strength of Cement-soil 王珍兰，陈艳丽，储冬冬，黄根民，刘华强 (江苏省水利科学研究院材料结构研究所，江苏扬州225002) 摘要：针对当前水泥土搅拌桩防渗墙强度的现场检测与室内强度试验，存在试样的尺寸不统一，不同尺寸之间的 强度无法进行换算的问题。通过试验，分析了不同尺寸和形状的水泥土无侧限抗压强度之间的尺寸效应，并通过线性回 归的方法，得出了不同尺寸和形状的水泥土的无侧限抗压强度换算关系，对解决水泥土搅拌桩防渗墙墙身强度检测中不 同尺寸和形状的试件所导致的强度差异问题，具有很好的指导性和实用性。 关键词：水泥土；无侧限抗压强度；尺寸效应 中图分类号：TU411.6 文献标识码：A 文章编号：1005-8249(2016)05-0045-04 Wang Zhenlan,Chen Yanli,Chu Dongdong,Huang Genmin,Liu Huaqiang Materials and structural engineering department,Jiangsu hydraulic research institute,Yangzhou Jiangsu 225002) Abstract:There are the problems that the sample size is not uniform and strength between different sizes can not be conversed in the current site inspection and laboratory test of the mixing cement-soil wall.Based on the laboratory test of the mixing cement-soil,variation of the unconfined prehensive strength UCS)was analysised with different sizes and shapes.Through regressive analysis on the laboratory testing of cement-soil, the conversion relation among UCS of cement-soil with different sizes and shapes were obtained.This study is helpful and practical for ...
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