切线模量

用切线模量理论建立受压混凝土圆柱稳定计算方法。

In terms of tangent modulus theory , the method of theoretical calculation is established .

它包括单轴拉伸时的应力－应变曲线，最大切线模量E（此曲线直线段的斜率），抗拉强度民，极限应变εb等参数。

The parameters include the stress-strain curve , the maximum tangent modulus E ( the slope of lin-ear segment ) in the curve , the tensile strength b , and the ultimate strain .

本文论述了断裂力学中的切线模量理论的基本框架，提出了求解非线性断裂临界应力的新方法&切线模量因子算法，并对该方法同现有的COD法作了理论上和计算上的比较。

The basic frame of the theory of tangent modulus in fracture mechanics is builded , and the new method of tangent modulus factor to calculate nonlinear critical fracture stress is presented .

借助于邓肯-张非线性弹性模型对切线模量的处理方法，对M-C模型中的弹性模量进行了修正。

The elasticity modulus in Mohr-Coulomb model was modified by employing the processing method of tangential modulus in Duncan-Chang nonlinear model .

采用解析法分析CFRP斜拉索的静力特性，发现CFRP拉索相对于钢拉索具有一系列优点：CFRP拉索在超大跨时采用切线模量计算的误差很小；

The static characteristic of CFRP cables is analyzed and a series of advantages of CFRP cables are found when comparing with steel cables . The error of using tangent modulus for CFRP cables with super great spans is very small .

在分析时考虑了冷加工与材料的影响，并引用了Shanley的切线模量概念。

In the theoretical analysis , the effect of cold forming to the material is taken into consideration , and the Shanley 's tangent modulus concept is used .

模型在细观尺度采用基于Rankine准则的弹脆性本构关系，并考虑材料的统计性，采用切线模量为零作为材料软化判据，软化后采用考虑复合模式的钝断裂带裂纹模型。

Rankine-based criteria for brittle elastic constitutive is adopted in micro-scale , taking into account the statistical nature of materials , using the zero-value of material tangent modulus as the softening criterion , the blunt crack model is used in the softening process .

切线模量理论计算混凝土圆柱稳定性的探讨

Exploration on stability calculation of concrete cylinder with tangent modulus theory

一类弹塑性损伤材料的切线模量

Tangent Stiffness Operator of a Class of Elastoplastic Materials Coupled with Damage

非线性弹性及全量弹塑性有限元分析中的一致性切线模量

Consistent Tangent Moduli for Finite Element Analysis of Nonlinear Elasticity or Total Elastoplasticity

用切线模量理论对轴心受压柱曲线进行了分析，并同中、长柱试验结果做了比较。

Axially loaded column curves have been analysed by the tangent modulus theory .

结构断裂强度研究的切线模量因子法

Examination of Structural Fracture Strength by Tangent Modulus Factor

松散岩块的切线模量和割线模量均与轴向应变呈指数相关性。

Both the tangential modulus and secant modulus are exponential with axial strain .

裂纹扩展的简明机理和断裂力学中的切线模量理论

Concise Principle of Crack Propagation and the Theory of Tangent Modulus in Fracture Mechanics

修正割线模量法与邓肯切线模量法的对比分析

On the Comparison of the Modified Secant Modulus Method and Duncan-Chang Tangent Modulus Methed

基坑开挖土体切线模量取值的研究

Research on Soil Tangent Modulus of Foundation Pit

黏土非线性模型的改进切线模量

Improved tangent modulus of nonlinear soil model

然后通过扰动度建立了切线模量与初始切线模量之间的关系式。

And the relation between tangential modulus and initial tangential modulus through the disturbance degree was founded .

并用切线模量理论推导出计算钢管煤矸石混凝土轴压中长柱非弹性屈曲荷载的计算公式；

Inelastic yield load formula of axial compression middle long columns was deduced through the use of tangent modulus theory .

根据切线模量的这种功能，将这种利用材料衍生比例定律构建非线性理论的原理和方法称为广义切线模量理论。

In term of the function of tangent modulus , we call the principle and method generalized tangent modulus theory .

在较大初始静态荷载作用时，切线模量的改变尤为显著，值得引起重视。

When the concrete was subjected to higher initial static load , the change of tangential modulus became more remarkable .

基于原状土切线模量法，对刚性桩复合地基的沉降计算提出一种新的沉降计算方法。

Based on undisturbed soil tangent modulus method , a new practical settlement calculation method for rigid-pile composite foundation is proposed .

切线模量描述是土体非线性模型中的一个基本问题。

Tangent modulus was essential to nonlinear soil model , and it was necessary to understand it properly during numerical simulation .

土体割线模量值大于切线模量值，其差值随应变的增加逐渐减小；

The secant modulus of soil is usually larger than the tangent one , but the value of differences decreases with the increasing strain .

分别介绍了用分段多项式和朗培其一奥斯古特三参数方程拟合应力应变曲线并求切线模量和割线模量的方法。

By piecewise polynomials and the Ramberg-Osgood three-parameter equation fitting the stress-strain curve , the expressions of the tangent and secant modulus are derived .

任一时间的卸荷变形模量仍可表示为切线模量，并可通过试验成果推导得出；

The unloading deformation modulus can be expressed as the tangent modulus at any time ; and it can be obtained through the test results .

试验结果表明：松散岩块的切线模量与轴向应力间呈指数关系，并随其颗粒粒径和岩性不同而变化；

The result of this experiment reveals that the tangential modulus is exponential with axial stress , and varies with rock block size and rock property .

以三轴剪切试验测得的应力-应变关系为基础，从统一的表达式推出了割线模量和切线模量表达式。

Based on the stress - strain relationship established from tri-axial tests , the tangent modulus and secant modulus are derived from the unified mathematical expression .

建立了初始切线模量与围压、超固结比、初始孔隙比之间的关系式，并通过三轴试验进行验证。

The relations between initial tangential modulus , confining pressure , over-consolidation ratio and initial void ratio were deduced , and were proved through triaxial compression test .

依广义正交法则，由状态势和耗散势函数推导出了耦合损伤的弹塑性切线模量。

According to the generalized normality rule , the tangent stiffness operator of elastoplastic material coupled with damage is derived from the state potential and the dissipative functions .