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水位变化和建筑荷载联合作用下的软粘土层大应变固结研究

发表时间:2011-01-31  浏览量:1657  下载量:706
全部作者: 黄大中,谢康和,陶立为,王玉林
作者单位: 浙江大学岩土工程研究所软弱土与环境土工教育部重点实验室;武夷学院建筑与土木工程系
摘 要: 基于饱和软粘土一维大应变固结方程得到了水位变化和建筑荷载联合作用下的软土层固结解析解。根据算例对软土层的固结性状进行了比较详细的计算和分析,阐述了大应变假定下软土层固结性状与小应变假定下的不同。研究认为,建筑荷载与水位变化共同作用下的软粘土层固结并不是两种因素的简单线性叠加,传统的线性叠加计算方法存在着一定的误差,应用本文解得出计算值较为合理。
关 键 词: 岩土工程;建筑荷载;水位变化;大应变固结;解析理论
Title: Study on large strain consolidation settlement of soft clay layer induced by variations of water level and construction loads
Author: HUANG Dazhong, XIE Kanghe, TAO Liwei, WANG Yulin
Organization: Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, Zhejiang University; Department of Architecture and Civil Engineering, Wuyi University
Abstract: Based on the general theory for 1-D large strain consolidation of saturated soft clay, analytical solution was obtained when groundwater level variations and construction loads occured at the boundary. The large strain consolidation behavior of soft clay was carefully calculated and analyzed through a practical example. The differences from the small strain consolidation behavior were presented in detail. It was believed that the dual effects of construction loads and groundwater level variation couldn't be simulated by traditional linear superposition. It was more reasonable to use the solution in the paper.
Key words: geotechnical engineering; consolidation loads; groundwater level variation; large strain consolidation; analytical theory
发表期数: 2011年1月第2期
引用格式: 黄大中,谢康和,陶立为,等. 水位变化和建筑荷载联合作用下的软粘土层大应变固结研究[J]. 中国科技论文在线精品论文,2011,4(2):113-119.
 
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