1) 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。
2) 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。
3) cavity expansion method
圆孔扩张法
4) 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
5) cavity expansion theory
圆孔扩张理论
1.
Considering the plugging effect of the pipe pile,the cavity expansion theory is applied to studying the squeezing effect of pipe pile.
首先综述了国内外管桩挤土效应和土塞效应的研究现状,然后在考虑土塞效应的前提条件下,利用圆孔扩张理论对管桩的挤土效应进行了分析研究。
2.
Based on the squeezing effect in the process of pile sinking,the squeezing behaviour of concrete-cored sand-gravel piles is analyzed by applying cavity expansion theory and consolidation theory.
从挤土桩沉桩过程产生的挤土效应出发,运用圆孔扩张理论和固结理论,分析了混凝土芯砂石桩的挤土性状。
3.
The cavity expansion theory used for plane problems is extended to the spatial axisymmetric condition to improve the analytical solution of soil displacement induced by pilesinking.
将平面圆孔扩张理论推广到空间轴对称条件,改进了沉桩引起的位移解析解;考虑土体的弹塑性和挤土引起的土体性质的变化,利用有限元法对沉桩进行了分析计算;对沉桩进行了离心模型试验。
6) cavity expansion method
圆孔扩张理论
1.
The radius of plastic area, the maximum compress stress caused by driving pile ,and the pore water stress can be concluded by using the cavity expansion method and the effective stress theory.
分析了软土地基中静压桩的挤土效应机理,依据圆孔扩张理论和有效应力原理,推导出塑性区影响范围、桩对土体的挤压应力、孔隙水压力估算公式等。
2.
Reviewed are five methods for the analysis of the penetration of jacked in piles,namely,cavity expansion method,strain path method finite element method,slip line method and calibration model test.
在分析饱和粘土中静压桩的贯入机理的基础上，对静压桩沉桩分析的圆孔扩张理论、应变路径法、有限元分析、滑移线理论和模型槽试验等五种方法逐一进行评述，并提出在传统的平面圆孔扩张理论基础上加以改进，采用准静态空间轴对称方程组对静压桩贯入过程进行模拟，从而得出土体位移、应力、初始超孔压的空间解析解，同时采用有限元分析、模型槽试验相互印证的研究方
补充资料：分圆扩张
分圆扩张
cydotomic extension
分圆扩张!叮dotomic exteosi.;即yro毗钾口.碑比“能]，域k的 由k添加单位根(见原根(prlnlitive root))得到的扩域K.有时也用于称呼K在人上的任意于扩张一个无限代数扩张，如果是一些有限分圆扩张的并，则称为分圆扩张.当k二Q为有理数域时所得到的分圆域(cydotomic field)是分圆扩张的重要例子设灭的特征为0，丸(C，)为添加本原单位根C。后得到的分圆扩张，则k(么)是k与分圆域Q(C，)的合成，因而分圆域的很多性质可以搬到分圆扩张上去.例如，k(认)是k的Abel扩张(这对特征有限的域也成立)，k(心、)/k的Galois群是Q(C。)/Q的Galois群的子群，特别地，前一个Galois群的阶能整除势伪)，价(n)为Euler函数. 当k为代数数域时，在k(气)/k中分歧的素除子能整除n，但当k尹Q时整除。的素除子在k代。)中仍可能是不分歧的.代数数域的分圆扩张，若其Galois群r与l进数的加法群Z，同构，则称为分圆r扩张(见[2]，【3]，14】)·当C‘“k时，此r扩张形如k。=U，k。，其中k。=火(心，.)·
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参考词条