割线模量

同时建立了黄土路基的浸水入渗增湿模型和降雨入渗增湿模型，从理论上研究了割线模量法在黄土路基增湿变形计算中的应用。

At the same time , establish rainfall infiltration and soak infiltration moistening model , research the application secant modulus law to the expressway loess subgrade moistening deformation in theory method .

发现侧限割线模量和压力成正比，表明侧限压缩割线模量分析法适用于压实石灰黄土。

This paper also found that side confined secant modulus was directly proportional to the compressive stress , which indicated that the analysis method of side confined compression secant modulus adapted to the compacted lime stabilized loess .

同时将割线模量计算沉降的方法应用到高填方自身作用下的最终沉降计算中，通过与应用e～p曲线计算的结果进行比较，其误差在允许范围之内。

The secant modulus is used to calculate final settlement of high-stacked soil , compared with the result of e ~ p curve , the error is in the limit of tolerance .

建立了双破坏面之间的耦合关系，从而推导出混凝土的割线模量E及泊桑比μ，进而可计算复杂受力状态下的应力&应变关系。

Aces is established . After deriving the secant value of young 's modulus E and Poisson ratio μ the stress-strain relation under complex stress conditions is capable of being determined .

计算模型是以有限元法、应力二阶矩的割线模量法、Eshelby等有效夹杂方法和双夹杂模型等为基础。

The micromechanics model is based on the finite element method , secant moduli method , Eshelby 's equivalent method and double-inclusion model , etc.

应用二参数Weibull分布描述损伤变量，引入峰值割线模量参数，推导并建立了石砌体的通用本构关系公式。

The corresponding damage model was presented based on study of damage mechanism of stone masonry , Two-parameter Weibull parameters were used to describe damage variable and by introducing the peak secant modulus a general constitutive equation was derived and established .

合肥风化土的强度与割线模量

Strength and secant modulus of weathered soil at Hefei City

石墨混凝土电导率-应变与割线模量-应变关系

Study on Relationship Between Electrical Conductivity-Strain and Deformation Modulus-Strain of Graphite Concrete

基于割线模量法的黄土增湿变形本构关系研究

Study on constitutive relation of loess moistening deformation based on secant-modulus method

通过引入割线模量，改进了最终沉降量计算方法。

The calculating method of final settlement is modified with secant modulus .

而其割线模量与轴向应力则呈线性关系；

The secant modulus is linear with axial stress .

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 .

割线模量法在沉降计算中存在的问题及改进探讨

Study on some problems of settlement calculation with secant modulus method and its modification

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

割线模量差与初始含水量的关系曲线按指数形式进行拟合比较合理。

It is reasonable to fit the relation curve between secant-modulus difference and pressure by using exponential form .

割线模量法是近几年获得青睐的计算地基沉降的新方法。

Secant modulus method ( SMM ) is a new method to calculate foundation settlement in recent years .

因此，从原点计算的割线模量不能反映实际岩体的变形特征。

So the secant modulus from zero stress can not describe the deformation property of the practical rock mass .

通过对室内特殊试验研究，认为软土应力-应变关系呈双曲线关系，可以引入割线模量来描述。

The results of laboratory tests show that the relationship between stress-strain can be described with hyperbolic function by using secant modulus .

研究表明：极限疲劳割线模量衰减率可作为混凝土发生拉-压疲劳破坏的标志；

The results show that fatigue failure criterion of concrete under tensile-compressive stress can be indicated by ultimate attenuation rate of secant modulus .

并且认为电导率这个本征量与割线模量一样，能够很好地揭示混凝土材料的损伤。

Like the deformation modulus , the electrical conductivity is such an eigenvalue that it will characterize well the damage of conductible concrete .

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 .

提出了饱和粘土利用割线模量法计算固结沉降，且考虑侧向变形影响的公式。

Firstly , the paper puts out the formulas used to calculate displacement by secant modulus , which think about the influence on lateral displacement .

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 .

对于符合双曲线模型的地基土体，改进的割线模量法不仅便于电算，还能提高计算精度，值得推广。

For soils in accordance with hyperbolic model , the presented modified SMM is not only convenient for computer-aided analysis , but can also improve accuracy .

本文应用弹塑性小变形的假定，将应力与应变的关系都用变分形式相联系.简洁地导出板壳塑性屈曲的基本方程，并引入割线模量，计算较方便。

This paper gives the stress-strain relations of the variational types on the basis of an assumption concerning the small deformation in the theory of elasto-plasticity .

力循环加载下，桩身位移和水平割线模量随循环次数的增加而增大，多次循环后趋于稳定。

Under cyclic loading , the displacement of pile and horizontal secant modulus increase with the cyclic number , and tends to be stable after some cycles .

风化土的应力应变关系基本上符合双曲线模式，并据此推导出风化土的割线模量的表达式。

The stress-strain relation of weathered soil essentially conforms the hyperbola mode . Thence , it derives the expression of the secant modulus of the weathered soil .

提出了轮盘进入塑性状态的鉴别方法、在塑性状态下求出割线模量和横向变形系数的方法等。

The method for identification of plastic state of the disk , as well as the approach to obtaining the secant module and transverse deformation coefficient are presented .

建议使用最大割线模量，应力差为岩样强度一半的所有割线模量的最大值。

In this paper , the maximum secant modulus is suggested , which is the maximum of all secant modulus with stress difference of50 % strength of the specimen .