Large cohesionless soil permeability experiment system and application;
大型无粘性土渗透破坏试验系统及应用
A theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil;
确定无粘性土静止土压力系数的一个理论公式
The stress vector_based constitutive model for cohesionless soil, proposed by SHI Hong_yan et al, was applied to analyze the deformation behaviors of materials subjected to various stress paths.
将史宏彦等提出的无粘性土的应力矢量本构模型应用于分析多种复杂应力路径下材料的变形问题· 结果表明 ,此模型不仅能够很好地反映无粘性土的应力应变非线形、硬化性、剪缩剪胀性、与应力路径的相关性、主应力与主应变增量方向之间的非共轴性以及球偏应力与变形的耦合性等主要变形特性 ,而且也能够同时考虑主应力轴的旋转和中主应力对土的变形及强度的影响· 模型预测结果与试验结果之间的良好吻合表明了该模型的广泛适用性
Based on the analysis of the forces acting on the fine grains in the skeleton pores,a capillary-tube model is introduced to characterize the development of piping in noncohesive soils.
通过对骨架孔隙中细颗粒的受力分析,建立了描述无粘性土中管涌发生、发展的毛管模型。
In this paper, the grains of piping-typed noncohesive soils are classified into three groups: skeleton, movable and clogging.
将管涌型无粘性土中的颗粒分为骨架颗粒、阻塞颗粒和可动颗粒三组,在分析骨架孔隙中可动颗粒受力的基础上,将总压力降分为骨架孔隙壁引起的压力降、骨架孔隙中静止颗粒引起的压力降及正在运动的颗粒引起的压力降三部分,从而得到了可动颗粒起动的临界水头梯度公式。
2cm ) was examined as experiment object to investigate the potential environmental influences on the benthic organism of HDTMA organic modified clays and PAC inorganic modified clay.
2cm)为对象,研究了HDTMA有机改性粘土和PAC无机改性粘土絮凝法治理赤潮时对海洋底栖生物的影响。
A method is proposed for predicting the combined effect of confining stress,void ratio,and particle characteristics on the maximum shear modulus ratio and optimum degree of saturation in partially saturated cohesionless soils.
提出可以考虑平均有效应力、孔隙比和颗粒特征对非饱和无粘性土最大剪切模量比及最优饱和度的综合影响的方法 ,仅需四个参数 :土的级配、孔隙比、平均有效应力和颗粒形状 ,因此可避免一系列复杂的动力试验 。
The conclusion is suggested for the case of cohesionless soils preferably.
本文的结论似较适用于无粘性土层。
Study on Permeating Characteristic of Noncohesives Soil and the Mechanism of Seepage-failure;
无粘性土的渗透特性及其管涌破坏机理研究
Design of non-viscous earth proteciton layer for the red mud dam of Bayer process
拜耳法赤泥坝中无粘性土反滤层设计方法
The Analysis of the Effect to the Equivalent Grain of the Gravel in Diameter Made about Its Seepage;
无粘性土等效粒径对渗流影响的效果分析
Study on Compression Curve and the Coefficient of Earth Pressure at Rest for Cohesionless Soil Based on Hypoplastic Constitutive Model
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
The further investigation of the formula shows that it can be used to determine the coefficient of earth pressure at rest of cohesionless soil.
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。
DETERMINATION OF COEFFICIENT OF EARTH PRESSURE AT REST FOR COHESIONLESS SOIL BY USING STRESS VECTOR-BASED CONSTITUTIVE MODEL
用应力矢量本构模型确定无粘性土的静止土压力系数
Electrical Conductivities of Ionic Contaminated Saturated Sandy Soils and TDR Measurement;
离子污染饱和无粘性土电导率特性及TDR测试技术
The Engineering Properties as Road Packing of Incohesive Earth and Rock Mixture of Red Clastic Rock and Their Parameter Prediction;
红色碎屑岩无粘性土石混合料路用性能及参数预测
Nonlinear Analysis of Beams Prestressed with Unbonded Tendons;
无粘结预应力混凝土梁的非线性分析
Composed of particles that do not cohere.Used of soil.
无内聚性的由不能粘着的质点组成。用于土壤
Research on Reinforced Concrete Beams with Localised Unbonding;
局部无粘结钢筋混凝土梁抗弯性能分析研究
The Study of Inorganic Clay-thermoset Nanocomposites
无机纳米粘土—热固性树脂复合体系的研究
NONLINEAR FINITE ELEMENT MODELING OF UNBONDED PRESTRESSED CONCRETE BEAM WITH FRP TENDONS
无粘结预应力FRP筋混凝土梁的非线性分析
Reset performance research review of the unbonded partially prestressed concrete column
无粘结部分预应力混凝土柱复位性能研究综述
Theoretical Analysis of the Flexural Behavior of BFRP Bar Unbonded Prestressed Concrete Girder
BFRP筋无粘结预应力混凝土梁受弯性能理论分析
Experimental Research on the Flexural Behavior of BFRP Bar Unbonded Prestressed Concrete Girder
BFRP筋无粘结预应力混凝土梁受弯性能试验研究
Research on the Properties of High-performance Concrete Unbonded Prestressed Floorslab Structures and Engineering Design;
高性能混凝土无粘结预应力楼盖的性能和工程设计研究