土工基础

土工基础 ›› 2020, Vol. 34 ›› Issue (1): 65-68.

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不同干密度下滨海相软土的强度分析

孟  莹，侯  蕊，王道金，张  祥，黄志全   

  1. (华北水利水电大学地球科学与工程学院，郑州 450045)
  • 收稿日期:2019-09-02 修回日期:2019-09-27 出版日期:2020-04-20 发布日期:2020-04-20
  • 通讯作者: 黄志全（1970-），男，教授，博士生导师，研究方向为边坡稳定性分析等。
  • 作者简介:孟 莹(1995-)，女，硕士研究生在读，研究方向为岩土体稳定性。

Effect of Dry Density on the Strength of Near Shore Samples

MENG Ying, HOU Rui, WANG Daojin, ZHANG Xiang, HUANG Zhiquan   

  1. (College of Geosicences and Engineering, North China University of Water Resources and Electric Power, Zhengzho 450045)
  • Received:2019-09-02 Revised:2019-09-27 Online:2020-04-20 Published:2020-04-20

摘要： 对不同干密度原状软土进行不排水不固结直剪试验，重点研究了干密度对渤海近海口地区软土力学特性的影响。探讨不同干密度软土的抗剪强度规律，并分析干密度对非饱和淤泥质黏土粘聚力以及内摩擦角的影响，得出结论：干密度增大，抗剪强度随之增大；粘聚力与内摩擦角也随着干密度增大而增大；土体抗剪强度参数与干密度存在一定的线性关系。

关键词: 软土, 干密度, 抗剪强度, 内摩擦角, 粘聚力

Abstract: Shear strength is an important mechanical property parameter of soils. In order to investigate the influence of dry density on the mechanical properties of soft soil nearshore sample from Bohai area, the undrained unconsolidated direct shear tests wereconducted on the natural soil sample with different dry density. The influence of dry density on the cohesion and the internal friction angle of the unsaturated clay tests was evaluated. It is concluded that the shear strength increases with the dry density.


Key words: Soft Soil, Dry Density, Shear Strength, Internal Friction Angle, Cohesive Force

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