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粉煤灰临界状态力学行为的试验研究

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Indexed by:期刊论文

Date of Publication:2011-01-01

Journal:武汉理工大学学报

Included Journals:Scopus、PKU、ISTIC、CSCD

Volume:33

Issue:6

Page Number:93-98

ISSN No.:1671-4431

Key Words:粉煤灰; 三轴试验; 应力应变关系; 临界状态理论

Abstract:为验证临界状态理论对粉煤灰材料的适用性,基于具有变形数字图像测量系统的GDS三轴试验仪,对干燥粉煤灰试样和饱和粉煤灰试样分别进行常规三轴剪切试验
   ,对比研究了其应力-应变行为的差异,重点研究了饱和粉煤灰材料的临界状态特性,给出了其相应的临界状态方程,并考察了低密度与高密度粉煤灰在变形过程中
   表面变形场演化的差异。

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