重塑藤森黏土的应力-剪胀特性

IF 0.7 Q4 MECHANICS
Zenon Szypcio, Katarzyna Dołżyk-Szypcio
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引用次数: 0

摘要

摘要采用摩擦状态概念,分析了固结程度和应力路径对重塑藤森黏土排水三轴压缩拉伸特性的影响。结果表明,应力-剪胀特性可近似为由临界摩擦状态角和两个土体参数给出的线性一般剪胀方程。在应力比塑性剪胀平面上,用摩擦状态角和摩擦状态概念参数α =0和β =1定义的摩擦状态线上的点来表示新公式的剪胀破坏状态。研究表明,很少用于解释试验结果的应力比-塑性剪胀关系对于完整描述土体在剪切过程中的行为是重要的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Stress–dilatancy behaviour of remoulded Fujinomori clay
Abstract The effect of the degree of consolidation and the stress path on the behaviour of remoulded Fujinomori clay for drained triaxial compression and extension was analysed using the Frictional State Concept. It is shown that the stress–dilatancy behaviour can be approximated by a linear general dilatancy equation given by the critical frictional state angle and two soil parameters. The newly formulated dilatant failure state is represented on the stress ratio plastic dilatancy plane by points lying on the friction state line defined by the friction state angle and the Friction State Concept parameters α =0 and β =1. It has been shown that the stress ratio–plastic dilatancy relationship, which is very rarely used in the interpretation of test results, is important for a complete description of the behaviour of soils during shearing.
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来源期刊
CiteScore
1.30
自引率
16.70%
发文量
20
审稿时长
16 weeks
期刊介绍: An international journal ‘Studia Geotechnica et Mechanica’ covers new developments in the broad areas of geomechanics as well as structural mechanics. The journal welcomes contributions dealing with original theoretical, numerical as well as experimental work. The following topics are of special interest: Constitutive relations for geomaterials (soils, rocks, concrete, etc.) Modeling of mechanical behaviour of heterogeneous materials at different scales Analysis of coupled thermo-hydro-chemo-mechanical problems Modeling of instabilities and localized deformation Experimental investigations of material properties at different scales Numerical algorithms: formulation and performance Application of numerical techniques to analysis of problems involving foundations, underground structures, slopes and embankment Risk and reliability analysis Analysis of concrete and masonry structures Modeling of case histories
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