破坏准则

基于Mohr-Coulomb破坏准则的开采过程岩体稳定性分析

Analysis on Rock Stability in Mining Process Based on Mohr-Coulomb Failure Criterion

修正Cam模型与Matsuoka-Nakai破坏准则的结合

Combination Between Modified cam clay model and Matsuoka-Nakai Failure Criterion

f（I1）的函数型式，并且相应这三个破坏准则的角隅函数g（θσ）被导出。

F ( I1 ), and the corresponding ridge function g (θ σ) was derived from these failure criteria .

这样，只要通过三轴试验确定了φ，则平面应变条件下的φ（ps）和破坏准则也就确定了。

Under plane strain condition , thereupon , φ _ ( ps ) and the failure criterion under plane strain condition can be determined by φ .

基于系列Drucker-Prager破坏准则评述土坡的稳定性

Comments on slope stability based on a series of Drucker-Prager failure criteria

研究中引进当量动内摩擦角φe和当量动内摩擦系数tgφe概念，从而使抛物线破坏准则方程与线性破坏准则方程在形式趋于一致。

Equivalent angle φ e and coefficient tg φ e of dynamic internal friction are derived in this paper , so the parabola failure criterion equation formally coincides with the linear one .

选择材料本构关系和破坏准则，采用通用有限元工具ANSYS，建立三维有限元模型，对芯钢管中柱节点模型的外钢管应力、芯钢管应力、混凝土应力进行了分析。

Based on the appropriate material stress-strain relations and failure criterion , a 3-D nonlinear finite element method model was presented to analyze the mechanical properties of this joint with ANSYS .

单一节理岩体R-R破坏准则及参数确定

R R Failure Criterion for Rock Mass with Single Set of Joints and Parameter Determination

对用于钢筋混凝土结构的Park-Ang双参数破坏准则的识别和修正

Identification and modification of the Park-Ang criterion for failure of RC structures

阐述了基于大型有限元分析软件ADINA的混凝土及钢筋的本构模型及破坏准则，选择了分析方法对输进参数进行了分析。

Based on the large-scale finite element analysis software ADINA , constitutive models and failure criteria of concrete and steel are elaborated .

二向应力状态下早龄期C20混凝土的破坏准则和本构关系试验研究

Experimental Study on Failure Criterion and Constitutive Relation of Early-age C20 Concrete under Biaxial Stress State

分别以这两个参数为基础，建立了岩石与混凝土界面断裂的两个准则：界面椭圆型破坏准则和界面断裂能G准则，为实际工程中岩石基础上混凝土结构系统断裂分析提供相关的参考。

Finally , two criteria are proposed based on these two parameters . They are the interface elliptic failure criterion and interfacial fracture energy criterion , and they can provide relevant reference for fracture analysis of concrete structures on rock foundation .

数值计算表明，裂纹尖端场主要受材料的蠕变指数n和马赫数M的控制，这为解决工程实践中所遇到的相应的问题和建立材料的破坏准则提供理论的参考。

The numerical results show that the near-tip field is mainly governed by the creep exponent n and Mach number M. The study will provide theoretical references for the corresponding problems encountered in engineering practices and the founding of fracture rule of material .

本文在假设各组分岩石遵循Mohr-Coulomb强度理论的基础上建立了复合岩石的破坏准则。

A failure criterion for composite rocks is discussed in this paper based on the assumption that each of their components follows the Mohr-Coulomb strength theory .

本文严格按照现有破坏准则判断砌体的开裂，利用ANSYS的单元表运算式功能，并结合APDL参数化语言定义结果参数来判断开裂荷载，计算结果与试验数据相符。

According to existing failure standard , this thesis uses the element table and parameter language APDL of ANSYS to determine the failure load and the result is tally with the result of experiment .

第二部分给出了确定关键构件的方法，并在考虑节点刚性的情况下，分析了结构在冲击荷载作用下的破坏准则，运用MATLAB回归出了结构倒塌的临界挠度的简化公式；

In the second part , it gives the methods to make sure the key elements , and analyzes the the failure rule of the composite structure subjected to impact loads , then gives the formula of critical deflection of collapse using MATLAB ;

根据非线性MohrCoulomb破坏准则和非关联流动法则推导出圆形隧道位移解，并考虑围岩的剪胀特性、蠕变特性、弹塑性等影响。

The feature of tunnel displacement in elasto-viscoplastic rock is studied by using nonlinear Mohr-Coulomb yield criterion and non-associated flow rule with consideration of dilatancy and creep of rock .

Lade-Duncan破坏准则在地基承载力计算中的应用

Application of Lade-Duncan failure criterion to calculation of bearing capacity of foundations

为了反映中主应力的影响，将本文解与基于Mohr-Coulomb破坏准则的解答进行了比较。

Also a comparative study is made for the present solution and current solution based on Mohr-Coulomb criterion in order to display the effect of intermediate principal stress .

Willam等提出的五参数混凝土破坏准则存在的问题，提出了一个改进了的五参数混凝土破坏准则。

An improved five-parameter failure criterion for concrete is presented .

利用首次超越破坏准则，并结合地震作用非平稳随机过程功率谱密度模型的随机谐和函数表达式，在Matlab平台上调用ANSYS通用程序进行结构动力可靠度计算。

The first passage failure criterion and stochastic harmonic function of power spectrum density model of non-stationary random process for earthquake action are utilized . The dynamic reliability computing of structures is performed based on the Matlab platform with calling the ANSYS general program .

混凝土单元的本构关系采用D-P模式和K-G破坏准则；Houde和Mirza的粘结滑移理论；

Constitutive relationship of concrete is D-P model and K-G failure criterion and Houde-Mirza slipping theory was adopted in the program ;

以结构抗震分析的时程分析方法以及结构可靠度分析的J·C方法为基础，给出了多层剪切型结构基于双参数（变形与耗能）破坏准则的抗震可靠指标的计算方法。

By combining J · C method with Wilson - θ method , this peper presents a new method for calculating the reliability index of multi-storey shear structure under strong earthquake based on double damage criterion that is the first time overstep failure and the cumulative damage .

接着结合实际工程要求，基于首次超越破坏准则，对主结构和带限位TMD的动力可靠度进行了相应的探讨。

Lastly , combination with the actual engineering , and based on first passage failure criterion , the dynamic reliability analysis for the main structure and the TMD with limited spacing were carried out accordingly . 6 .

利用ALGORFEA软件和本文建立的剪压状态下砌体破坏准则，分析了无洞及开洞墙的开裂荷载、裂缝分布及其出现的顺序。采用MSC。

The cracking load , crack distribution and its appearance sequence of wall with or without holes are analyzed using ALGOR FEA software and the failure criteria of masonry in compression-shear founded by this paper .

提出了建立在应变空间上的混凝土四参数破坏准则，从而消除了Hooke定律假设和平面应力假设对有限元分析计算的影响。

With the four-parameter failure criterion presented in this paper , the influences are eliminated of the basic postulations of the Hooke law and the plain stress on the finite element calculation .

本文基于韦伯分布理论，利用FORTRAN语言，依据非均质岩石剪切破坏准则，采用弹性全量法分级加载，编写出非均质岩石剪切破坏程序。

This paper based on Weibull distribution theory , use of FORTRAN language , on the basis of the heterogeneous rock mass shear failure criterion , using elastic total method step loading , to prepare a heterogeneous rock shear failure procedure .

Baker提出非线性破坏准则是一种广义的岩土体强度准则，常规的M-C强度准则、格里菲斯强度准则以及Hoek-Brown强度准则均为其特例。

The non-linear failure criterion proposed by Baker is a generalized geotechnical strength criterion , and the conventional criterion such as M-C , Griffith and Hoek-Brown failure criterions are all special cases of it .

根据极限平衡原理和MohrCoulomb破坏准则，应用最优控制理论思想，并充分考虑运动许可条件，建立了能同时确定边坡临界滑动面和计算最小安全系数的局部最小安全系数法。

Local minimum factor of safety method is developed in this paper based on the principle of limit equilibrium and Mohr Coulomb failure criterion , using the idea of optimal control theory and considering kinematic admission conditions sufficiently .

基于Hsieh-Ting-Chen强度破坏准则的思想，提出由于求解混凝土各向同性损伤模量的等效应变。

On the basis of Hsieh-Ting-Chen failure criterion , a four-parameter equivalent strain for isotropic damage modulus is presented .