摘要
通过土体微观结构图片分析了次固结产生的客观原因,指出次固结也是排水固结。以四单元模型为基础,通过Laplace变换推导出砂井地基主固结度和次固结度粘弹性解。提出了2种新的求取粘弹性参数、确定主固结完成时间的方法。
Based on the analysis of microstructure of soft clay, this paper analyzes the objective reasons of the occurrence of secondary consolidation and points out that secondary consolidation is also drainage consolidation. The visco-elastic equations of the degrees of primary consolidation & secondary consolidation of saturated soft clay are developed by Laplace transformations based on four-element model. Two new methods for getting visco-elastic parameters and determining the completion time of primary consolidation are set forth.
出处
《水运工程》
北大核心
2003年第8期20-24,共5页
Port & Waterway Engineering
关键词
主固结度
次固结度
粘弹性参数
degree of primary consolidation
degree of secondary consolidation
visco-elastic parameter
