变形局部化的趋势比声发射率剧增要早得多。
The tendency of the localization of deformation was earlier than the violent increase in the rate of acoustic emission.
首次提出了变形局部化的形成与演化是材料准脆性断裂主要内因的新见解。
A new view that the formation and evolution of the deformed part is the main internal cause of stress fracturing material is firstly put forward.
采用FLAC3D，对试样的尺寸效应、二块体地震模型、五块体地震模型和厚壁圆筒模型进行了变形局部化数值模拟研究。
Based upon FLAC3D, size effect of rock specimen, the seismic two block models, the seismic five blocks models and thick-walled hollow have been simulated to obtain localization phenomenon.
[2] 谭成文， 王富耻，李树奎。绝热剪切变形局部化研究进展及发展趋势[J]。 兵器材料科学与工程 ， 2003，26 （5） ： 62–67。
TAN C W, WANG F C, LI S K. Progresses and trends in researches on adiabatic shear deformation[J]. Ordnance Metal Science and Engineering , 2003, 26 (5) : 62–67.
岩样的塑性变形假设根源于塑性应变局部化。
It is assumed that plastic deformation stems from the localization of shear strain.
采用有限元计算编码abaqus模拟了钨合金圆台试件在冲击载荷下的变形和剪切局部化行为。
The deformation behavior and shear localization in truncated conic specimens of tungsten heavy alloys under impact loading are simulated by the finite element code ABAQUS.
探讨了直埋供热管道的失效，针对局部失稳和椭圆化变形，提出了设计要点。
The failure of directly buried heat-supply pipeline is discussed, and the design essentials are put forward in accordance with local buckling and ovalization deformation.
应变局部化是加载过程岩样内部变形自组织的结果。
Strain localization of rock sample in uniaxial compression is the result of self-organization of deformation during loading.
介绍高孔隙度岩石局部化变形条带中压缩条带、剪切条带和膨胀条带的野外和实验研究的进展。
Field and experimental results of localized deformation bands in high porosity rocks such as compaction bands, shear bands and dilation bands are introduced.
加载导致土坡在某些位置出现变形集中，意味着这些位置发生了应变局部化。
It was shown that the deformation was concentrated due to loading, which demonstrated the occurrences of strain localization in the slope.
近几年在野外和实验室都发现高孔隙岩石中局部化变形的压缩带、剪切带和膨胀带，是目前岩石力学、岩石物理和本构模型研究的热点之一。
Recently, localized planar zones of deformation have been discovered in high-porosity rock, which are called compaction bands, shear bands and dilation bands.
振动时效使残余应力峰值降低并得到均化的主要原因是材料内部微塑性变形的局部性。
Vibratory stress relief (VSR) can reduce the residual stress in component. The mainly cause is microcosmic plastic deformation of local region.
常规三轴压缩过程，岩石试件破坏常常是以狭窄剪切带形式存在的局部化变形为先导。
The failure of rock under triaxial compression is due to the localization of narrow shear band.
研究了冲击地压启动后煤岩变形破坏规律：发现冲击地压启动后煤岩变形破坏产生局部化；
The deformation-failure propagation after rockburst initiation have been studied: It has been found that the deformation of the coal-rock mass localizes after the rockburst starts.
锯齿形切屑产生的原因是第一变形区内因热软化超过应变和应变率强化而发生了绝热剪切局部化。
The reason for the sawtooth chips is that the adiabatic shear localization occurs in the primary deformation zones when thermal softening exceeds strain and strain rate hardening.
根据室内单轴压缩试验视频图像对石灰岩局部化变形的数字特征进行分析。
The digital features of localized deformation of limestone are analyzed by using video images of uniaxial compression test.
局部化变形在体积膨胀点之前开始稳定增长；
The localization began to steadily increase before the volume of specimen dilated.
基于有限变形理论和中井的下负荷面本构关系模型，研究了平面应变试验中黏土试样变形的局部化问题。
The finite deformation theory and the Nakai's sub-loading constitutive model are used to investigate shear band localization in plane strain model tests.
结果表明，既有裂隙端点和新生裂隙的局部化变形现象非常明显；
The results show that the phenomena of localized deformations of existing and new fissures are much obvious;
这种由软化特性引起的应变局部化剪切带是砂土材料非常重要的变形和强度特性之一。
The strain localization on a shear band induced by post-peak softening is one of the most important deformations and strength characteristics of sand.
高孔隙岩石的三种局部化变形方式：压缩带、剪切带和膨胀带是常见的三种在野外已经找到证据的变形方式。
Recently, localized planar zones of deformation have been discovered in high-porosity rock, which are called compaction bands, shear bands and dilation bands.
首先，由于在应变软化阶段的峰值强度的剪切应变局部化启动的纵向和横向的塑性变形引起的耗散能进行了分析。
Firstly, dissipated energies induced by axial and lateral plastic deformations due to shear strain localization initiated at peak strength in strain softening stage is analyzed.
首先，由于在应变软化阶段的峰值强度的剪切应变局部化启动的纵向和横向的塑性变形引起的耗散能进行了分析。
Firstly, dissipated energies induced by axial and lateral plastic deformations due to shear strain localization initiated at peak strength in strain softening stage is analyzed.
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