Test study of dynamic characteristics of granitic residual soil for highway subgrade

LI Zhi-yong; CAO Xin-wen; XIE Qiang

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Test study of dynamic characteristics of granitic residual soil for highway subgrade

更新时间：2026-06-25

- Test study of dynamic characteristics of granitic residual soil for highway subgrade
- Vol. 27, Issue 12, (2006)
- 作者机构：
  
  1. 湖南省交通科学研究院交通建设工程湖南省重点实验室,长沙,410015
  2. 西南交通大学土木工程学院,成都,610031
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU435
- Online First：09 December 2013，
  
  Published：2006
- 稿件说明：
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LI Zhi-yong, CAO Xin-wen, XIE Qiang. Test study of dynamic characteristics of granitic residual soil for highway subgrade[J]. 2006, 27(12).
DOI：

LI Zhi-yong, CAO Xin-wen, XIE Qiang. Test study of dynamic characteristics of granitic residual soil for highway subgrade[J]. 2006, 27(12). DOI：

摘要

利用动三轴试验，研究了全风化花岗岩在重复荷载作用下的动态特性，根据累积应变随加载次数的变化规律，建立了动强度曲线，分析了动强度与围压、压实度以及动模量与动应力的相关关系，讨论了含水量对动态特性的影响，提出了运用动态特性评价公路路基填料的方法，并在实际工程中予以应用。

Abstract

The dynamic-triaxial test was carried out to study the dynamic characteristics of granitic residual soil under repeated loading. The curve describing the granitic residual soil dynamic strength dependence of loading-number and the acceptable permanent strain is depicted. The variation of the dynamic characteristics with the change of the confining pressure

compacted factor and moisture content is discussed. As a result

the design principle of the subgrade through the dynamic characteristics is brought forward.

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Related Author

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BAI Hao

KONG Ling-wei

DONG Cheng

LENG Wu-ming

LI Zhi-yong

ZOU Jing-rong

SHI Jin

Related Institution

State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

College of Civil Engineering, Xinyang Normal University

School of Civil Engineering, Central South University

Hunan Communications Research Institute

College of Civil Engineering and Mechanics, Central South University of Forestry and Technology

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