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nonlinear soil pressure theory 非线性土压力理论
Currently, when designing the soil nailing structure, we still adopt traditional Coulomb soil pressure theories or Rankine soil pressure theories, it causes that the calculation result of soil pressure has bigger error margin. 目前在土钉支护结构设计时,仍采用传统的库仑土压力理论或朗肯土压力理论,使得土压力计算结果与实测土压力有较大的差距。
Firstly deduced the Rankine soil pressure theory for the unsaturated loess area on the basis of the statistical rule of the shear strength of unsaturated loess; 首先从理论上将朗肯土压力理论拓展到非饱和黄土领域;
Using the theory of Terzaghi s relation soil pressure,the limited support pressure formula with tunnel face in stratified sandy soil is . 采用太沙基松动土压力理论,根据滑动块的整体受力平衡,推导出砂性土中考虑成层土的开挖面最小支护压力计算公式。
Based on soil plasticity and limit analysis theory,active soil pressure on broken back surface and resistive overturn safety factor are studied systematically. 基于土的塑性极限分析理论,考虑墙后为无粘性填土的情况,对折线型挡土墙背上的主动土压力和挡土墙抗倾覆稳定状态等进行了较为系统地研究。
Based on limited balance theory, the formula of force polygon method used to calculate the soil pressure of gravity retainwall for cohesionless soil under water is provided in . 以衡重式挡墙为例,从极限平衡理论出发,推导了无粘性填土在浸水条件下用力多边形法计算土压力公式;结合具体工程实例,对延长墙背法和力多边形法进行了比较。
On the pit plane, this paper uses Coulomb抯 earth pressure theory to calculate active soil pressure.At the same time, the fulcrum is considered as elastic node. 在基坑平面以上，采用库仑土压力理论计算主动土压力，将支点处看作是施加了一个外力和一个单支点进行分析计算。
Through the in - situ test, the active area soil pressure distribution of pile - anchor system for deep pit is studied in this paper. 通过现场试验，研究了深基坑桩锚支护体系主动区土压力的分布规律。
During the process of computation the traditional Ranken's earth pressure theory and that of Coulomb's were reasonably simplified. 设计计算时，对传统的朗金土压力和库仑土压力理论进行了合理的简化。
The parameter of the pore water pressure and soil pressure are unfitted as the monitoring and forecasting index for bank collapse. 2.;内部孔隙水压力及土压力参数不适合作为崩岸的监测预测指标。
Coulomb and Rankine soil pressure models are employed in the determination of soil pressure in the design of overhanging wall. 摘要扶悬臂式挡土墙的土压力计算一般采用库仑模型和朗金模型。
For large nonelectrolyte molecules, the equation of modified internal pressure theory gives results in better agreement with the experiment than others. 内压力理论改进公式的计算结果不仅能预言盐析常数的符号, 也能指出盐析常数大小的顺序, 理论值与实经值符合较好。
Then, uncertainties in load effect of structures under backfill soil pressure are determined with finite element-multiple response surface method. 然后，用有限元-多响应面法计算了现行标准图明洞在填土压力作用下结构内力的概率特征。
Construction practice proves that the jacking base of jacked culverts designed with Coulomb's earth pressure theory are safe and reliable, and its volume of work are reduced. 简述了应用库仑土压力理论,设计软基顶涵顶背的方法,实践证明,用库仑土压力理论设计的顶背安全可靠,并能减少顶背的工程量
According to the underground pressure theory, which takes stratum movement as key matter, the nonelastic area occurs in coal body under the action of underground pressure. 根据“以岩层运动为中心”的矿山压力理论,煤体在矿山压力作用下将出现非弹性区。
Segmented tangent modulus of nonlinear soil model 土体非线性模型的分段切线模量研究
Construct the light well point pipe after completion the east two-line side piling, to prevent the pipe movement or damage by soil pressure during piling. 轻型井点管应在东侧的两排边桩施工完毕后方可施工;防止压桩过程中;土的挤压力使井管位移或损坏井管.
This text studies traditional folk house from the point of view of technology, including climatologic, architectural physics, hydraulics and wind pressure theory. 本文运用气候学、建筑物理、水力学和风压理论,从技术角度对传统民居进行了研究。
Improved tangent modulus of nonlinear soil model 黏土非线性模型的改进切线模量
The stress state of the circular culvert pipe under soil pressure at rest is analysed with the photoelastic simulated test of the epoxy resin model frozn. 利用环氧树脂模型进行光弹性冻结试验,模拟受填土压力作用时的土坝坝下圆型涵管的受力状态。