Experimental study of mechanical properties of granite under high/low temperature freeze-thaw cycles

JIANG Li-hao; CHEN You-liang; LIU Ming-liang

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Experimental study of mechanical properties of granite under high/low temperature freeze-thaw cycles

更新时间：2026-06-25

- Experimental study of mechanical properties of granite under high/low temperature freeze-thaw cycles
- Vol. 32, Issue S2, (2011)
- 作者机构：
  
  上海理工大学土木工程系,上海,200093
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU521.2
- Online First：26 August 2011，
  
  Published：2011
- 稿件说明：
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JIANG Li-hao, CHEN You-liang, LIU Ming-liang. Experimental study of mechanical properties of granite under high/low temperature freeze-thaw cycles[J]. 2011, 32(S2).
DOI：

JIANG Li-hao, CHEN You-liang, LIU Ming-liang. Experimental study of mechanical properties of granite under high/low temperature freeze-thaw cycles[J]. 2011, 32(S2). DOI：

摘要

高低温冻融循环条件下岩石的力学特性是岩石力学与工程中的一个重要课题。通过试验研究了花岗岩在不同温度幅值的高低温冻融循环条件下，单轴抗压强度、弹性模量、峰值变形、应力-应变曲线随循环次数变化的规律，并基于Loland损伤力学模型，推导出岩石类材料损伤变量表达式，揭示了花岗岩力学性能劣化与循环次数、循环温度幅值的关系，为高低温冻融循环条件下岩石力学性能的研究提供一定的试验、理论基础

Abstract

It is an important topic in rock mechanics and rock engineering to study the mechanical properties of rocks under the high temperature freeze-thaw cycles. The variation rules of the uniaxial compressive strength

elastic modulus

peak deformation and stress-strain curve under the influence of freeze-thaw cycles at different temperature amplitudes are studied by experimental tests. Based on Loland damage mechanical model

the material damage variable expression is deduced; and the relationship between granite mechanical properties degradation and cycle number and temperature amplitude is revealed. All these researches set up the foundation for the following experimental studies of high (low) temperature rock mechanics.

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