1) cylindrical cavity expansion
圆柱孔扩张
1.
Elastoplastic analysis of cylindrical cavity expansion with anisotropic initial stress
各向异性初始应力状态下圆柱孔扩张理论弹塑性分析
2) cylindrical cavity expansion
圆柱孔扩张理论
1.
Two constitutive relations(linear elastic model and ideal elastic-plastic model)and two pile-drivien process s simulation modes(stress boundary conditions method and cylindrical cavity expansion theory)are adopted and combined respectively to compute.
采取线弹性、理想弹塑性两种本构关系以及应力边界条件法、圆柱孔扩张理论两种沉桩过程模拟方式分别进行组合计算, 并对三种计算组合由于不同的本构关系和沉桩过程模拟方式所引起的超孔隙水压力、径向有效应力增量、地面隆起以及桩周土径向位移等沉桩效应的差异进行讨论, 得出一些初步结论。
3) cylinder expansivity
圆柱扩张
5) cavity expansion
圆孔扩张
1.
According to Mohr-Coulomb failure criteriont,he stress-strain-volume change relationshipst,he volume balance and energy conservation equations,and the rules of large deformation and non-associated flow under high stresses,the limit bearing capacities of cavity expansion are given considering the large deformation and dilation with volumetric change and large deformation,respectively.
根据圆孔扩张过程中塑性区土体在孔扩压力作用下的应力–应变–体变关系、扩孔过程中的能量守恒原理、非相关联流动准则以及莫尔–库仑破坏准则,分别给出考虑体变守恒和大变形规律2种条件下砂性土圆孔扩张问题的极限扩孔压力计算公式。
2.
The stress distribution due to the cavity expansion is considered as three zones, the first is failure zone, the second is plastic zone and the third is elastic zone.
将土体在圆孔扩张过程中的应力分布分为三个区域,基于修正剑桥模型,推导了圆孔扩张过程中土体在三个区域的超孔隙水压力的解析表达式,对比分析了固结比对土体中应力分布的影响。
3.
In this paper,the stress distribution due to the cavity expansion is considered as three zones,the first is failure zone,the second is plastic zone and the third is elastic zone.
将土体在圆孔扩张过程中的应力分布分为三个区域,基于修正剑桥模型推导了圆孔扩张过程中土体在三个区域的超孔隙水压力的解析表达式。
6) cylindrical cavity expansion
圆孔扩张
1.
place tubular piles are analytically analyzed by making use of cylindrical cavity expansion theory,and by comparison with general piles,its superiorities in respect of disturbing soils are displayed.
应用圆孔扩张理论 ,分析了筒桩施工挤土效应 ,并通过比较 ,得出筒桩施工挤土效应远远小于普通沉管灌注桩或预制实心桩 ;筒桩可内外承担摩阻力 ,承载力高 ,挤土效应小 ,是一种比较理想和值得推广的桩型。
补充资料：极大扩张和极小扩张
极大扩张和极小扩张
maximal and minimal extensions
极大扩张和极小扩张匡.习的司出目.公油抽lex妇心.旧;MaKcl.Ma刀‘.oe H Mll.”M田.妇oe PaC山一Pe皿朋] 一个对称算子(s笋nr贺苗c opemtor)A的极大扩张和极小扩张分别是算子牙(A的闭包，(见闭算子(cfo“月。详mtor”)和A’(A的伴随，见伴随算子(呐。int opera.tor)).A的所有闭对称扩张都出现在它们之间.极大扩张和极小扩张相等等价于A的自伴性(见自伴算子(义休.adjoint operator))，并且是自伴扩张唯一性的必要和充分条件.A.H.J’Ior朋oB，B.c.lll户、MaR撰
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参考词条