静止土压力

静止土压力系数研究

The Study on Coefficient of Earth Pressure at Rest

用应力矢量本构模型确定无粘性土的静止土压力系数

Determination of coefficient of earth pressure at rest for cohesionless soil by using stress vector - based constitutive model

通过试验证实静止土压力系数随超固结比（OCR）的增大而增大的规律。

It is determined that coefficient of static earth pressure is influenced by the increase of over consolidation ratio ( OCR ) .

当超固结比（OCR）超过2.5时，静止土压力系数与超固结比为非线性关系，可用指数函数来近似表示。

When over consolidation ratio exceeds 2.5 , the relationship of coefficient of static earth pressure and over consolidation ratio is determined to be nonlinear , and expressed with an exponential function .

在有限元分析的基础上，将土体视为非线性弹塑性介质，采用Drucker-Prager模型，分析了静止土压力系数的不同取值对基坑支护结构位移及内力的影响。

This paper analyzes the influence of soil pressure at-rest on the displacement and internal force of support structure , by adopting the Drucker-Prager model and based on the FEM with considering the elastoplasticity of the soft clay .

超固结比对静止土压力系数的影响

Effect of over consolidation ratio on coefficient of static earth pressure

基于可靠度的静止土压力计算方法

Calculating Methods of Static Earth Pressure Based on Reliability Theory

深厚表土静止土压力系数变化规律试验研究

Experimental Research on Static Earth Pressure Coefficient Distribution Rule of Deep Soil

卸荷粘性土体的静止土压力系数

Coefficient of Earth Pressure at Rest in Unloaded Clay

确定无粘性土静止土压力系数的一个理论公式

A theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil

沉入式大圆筒外壁静止土压力计算方法的研究

Research on the Computing Method of Static Outer Earth Pressure of Buried Large-diameter Cylinder

基于亚塑性理论的无粘性土压缩曲线和静止土压力系数的研究

Study on Compression Curve and the Coefficient of Earth Pressure at Rest for Cohesionless Soil Based on Hypoplastic Constitutive Model

深部土静止土压力的计算与预测是煤矿深井建设设计与施工中的理论与技术难题之一。

One of the theoretical and technical puzzle of deep coal mine design and construction is the computation and prediction of static earth pressure .

粘性地基中，其侧向土压力系数一般为静止土压力系数；

According to the results of back analysis , the coefficient of horizontal pressure is the standstill coefficient of horizontal pressure in clay soil ;

原位试验结果表明，发泡颗粒混合轻量土易于变形，且可极大地减小土的静止土压力，因而可以减小隧道弃碴对桥墩的影响。

Self Boring In-situ Friction Test is conducted to estimate the deformation module and earth pressure at rest of the filled foamed particle light soil .

台后土抗力升温时采用静止土压力加弹性土抗力，降温时采用主动土压力；

Resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising , but active soil pressure when dropping .

文中讨论结果表明，该公式可用于确定无粘性土的静止土压力系数。

The further investigation of the formula shows that it can be used to determine the coefficient of earth pressure at rest of cohesionless soil .

在满足一般力学原理和临界状态土力学理论的基础上，本文将亚塑性理论与临界状态土力学相结合，推出了一个计算无粘性土静止土压力系数的理论公式。

The concept of introducing critical repeated stress level into the Carter Model is expounded based on the critical state soil mechanics ; and the Carter Model is modified .

在大多情况下，挡土墙的侧向位移很小，挡土墙受到的土压力实际上处于静止土压力与极限土压力之间。

In most cases , the lateral displacement of the retaining wall is very small , earth pressure in practice mostly locates between static earth pressure and ultimate earth pressure .

分析结果表明，伴随静止土压力系数的增大，挡墙的内力也随之增大，但挡墙位移却相应减小。

The results show that the force of the retaining wall will increase but the displacement of the retaining wall will decrease with increasing of the coefficient of soil pressure at-rest .

根据经典的主动土压力理论和静止土压力理论计算出的隧道侧压力小于现场的实测值，且二者的偏差较大。

According to the Rankin dynamic and static earth pressure theory , the calculated earth pressure magnitudes are less than those measured in site , and the gap between them is fairly big .

加筋土挡墙背土压力沿墙高呈曲线分布，大部分介于主动土压和静止土压力之间。

The lateral earth pressure on the face of reinforced retaining wall distributes in a polyline shape along the wall , and its value is between the active earth pressure and the earth pressure at rest .

基于此，作者通过试验分析手段研究了卸载土体的抗剪强度、静止土压力系数、回弹模量等问题，并分别探讨了其工程应用价值。

The author , by means of experiments and analyses , has studied the shear strength , earth pressure at rest and modulus of resilience , etc of soil in the unloading state and also the value of engineering application of such soil .

基坑周边土体应力状态由静止土压力状态逐步转向主动土压力状态，导致支护结构向基坑内位移，较大的水平位移最终导致基坑影响范围内的地面出现沉降。

Slope soil stress state by the state of earth pressure at rest and gradually turned to the active earth pressure state , leading to the supporting structure inside the pit displacement , horizontal displacement of the larger sphere of influence leading to pit the ground subsidence .

它不但与上覆荷重和有效内摩擦角有关，而且与有效内凝聚力、静止土压力系数、土的压缩模量和回弹模量等一系列本构模型参数有关。

This formula concerned the upper loading and a series of model parameters , such as the effective angle of internal friction , the effective cohesive intercept , the coefficient of earth pressure at rest K_0 , the modulus of compressibility , the modulus of resilience and so on .

模拟基坑开挖过程，由应力场变化方面入手分析开挖面以下粘性土体残余强度和静止土压力的规律性，以期确定土体开挖卸荷的影响深度。

By simulating the excavation course of foundation pits and starting with the change of stress field , the regularities of remanent strength and static earth pressure of viscous soil mass under excavated plane are analyzed so that the influence depth due to soil mass excavation unloading may be determined .