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。
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。
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。
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。
APPLICATION OF CYLINDRICAL CAVITY EXPANSION THEORY TO SOLVE THE CRITICAL DEPTH OF PRESSUREMETER TEST
圆孔扩张理论求解旁压试验临界深度
Semi-analytical solution to cavity expansion in crushable sands
考虑砂土颗粒破碎的圆孔扩张半解析分析
Analytic solution of the cylindrical cavity in elastic-viscoplastic materials with initial stresses
有初始原岩应力的弹粘塑性岩土介质中圆柱形孔扩张问题解析解
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
EFEAL Extended Field Elliptical Aperture Lens
可扩展扫描椭圆孔镜头
To form, shape, taper, or enlarge(a hole) with or as if with a reamer.
扩，整用扩孔钻或仿佛是用扩张钻去造出、成形出、整出或扩大（某个孔）
INFLUENCE OF TURBULENCE INTENSITY ON COOLING EFFECTIVENESS IN BACK-DIFFUSED HOLE
湍流度对单排圆孔及后扩孔气膜冷却的影响
A rounded dilation or expansion of a canal, vessel, or organ.
肿块管、血管或器官的圆形扩张或膨胀
Dilated pupils are generally accepted as visible indicators of alcohol-induced intoxication.
瞳孔的扩张通常被认为是醉酒的特征。
Analysis of the Influence of Initial Radius on Expansion of Cylindrical Cavities
初始半径对柱孔扩张问题的影响分析
A muscle that dilates a body part, such as a blood vessel or the pupil of the eye.
扩张肌扩张身体部分的肌肉，例如血管或眼睛的膜孔
Screening for retinopathy: This is performed when pupils are dilated, either by fundoscopy or retinal photography.
视网膜病筛检：眼底镜或视网膜镜检查，扩张瞳孔。
Study on Cavity Expansion and Its Applications to Cone Penetration Test;
孔扩张理论研究及其在静力触探技术中的应用
Study on Pile Driving Effect Applying Cavity Expansion Theory and Finite Element Method;
沉桩挤土球孔扩张理论研究和数值模拟分析
Study on Cavities Expansion in Soils with Softening and Dilation and Analysis of Pile Driving Effects;
软化剪胀土中孔扩张理论及沉桩挤土性状研究
Study on Cavity Expansion Theory and Numerical Analysis of Self-boring Pressuremeter Test;
孔扩张理论研究及自钻式旁压试验数值分析
Film cooling characteristics of converging-expanding hole with equal exit-entry area
出/入口面积相等的收缩-扩张孔气膜冷却特性
The Contrast of Simple Expanded-muffler with Large Porosity Perforated Muffler
简单扩张式消声器与穿孔管消声器对比研究