Research on creep behavior of slip band soil of Dayantang landslide

YAN Shao-jun; XIANG Wei; TANG Hui-ming; MAN Zuo-wu; XU Rui-chun

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Research on creep behavior of slip band soil of Dayantang landslide

更新时间：2026-06-25

- Research on creep behavior of slip band soil of Dayantang landslide
- Vol. 29, Issue 1, (2008)
- 作者机构：
  
  1. 中国地质大学工程学院,武汉,430074
  2. 长江水利委员会三峡勘测公司,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU432
- Online First：18 July 2013，
  
  Published：2008
- 稿件说明：
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YAN Shao-jun, XIANG Wei, TANG Hui-ming, et al. Research on creep behavior of slip band soil of Dayantang landslide[J]. 2008, 29(1).
DOI：

YAN Shao-jun, XIANG Wei, TANG Hui-ming, et al. Research on creep behavior of slip band soil of Dayantang landslide[J]. 2008, 29(1). DOI：

摘要

通过对大岩淌滑坡滑带土在固结压力为300，500，625，800，1 000 kPa下进行蠕变试验，得到了各级压力和剪切力的蠕变曲线。采用Burger模型来模拟流变过程，介绍了该模型参数的求取方法，并得到了模型的所有参数。通过等时曲线簇确定该滑带土的长期强度。在上述结果基础上，对该滑带土的流变特性进行了分析，讨论了Burger参数同剪切力与固结压力关系，并得出长期强度约为慢剪结果的0.76～0.77倍的结论。

Abstract

Creep curves of different shear forces have been obtained from creep tests with consolidation pressures of 300

500

625

800 and 1000 kPa separately for the slip band soil of Dayantang landslide. Burger’s model is employed to simulate the viscoelastic procedure. The method gotten the parameters of Burger model has been introduced and used. The long term strength has gotten from the isochronal curves. The visco characteristics have been analyzed from the results of the creep tests. The relationships between the parameters of Burger’s model and the shear stresses and consolidation pressures have been discussed. A conclusion has been drawn that the long term strength is 0.76-0.77 times the slow shear test.

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