直接剪切试验

通过直接剪切试验，获取了淤泥EPS颗粒混合轻质土的抗剪强度参数，即粘聚力与内摩擦角。

As to this type of lightweight soil , direct shear test is used to study the influencing factors of cement content , EPS beads content and curing time on the shear parameters .

采用自行研制的大型剪切仪，对2种风化石粒料进行了直接剪切试验研究，分析了粒料级配、粗集料含量、最大粒径以及小于0.6mm颗粒含量对风化石抗剪强度参数的影响。

The effects of gradation , coarse size content , the maximum size , and fine ( < 0.6 mm ) content of weathered stone on its shear strength are studied by using self-designed large-scale shear apparatus to conduct the direct shear test of two kinds of weathered stone gravel .

影响直接剪切试验的因素分析与参数修正

Affecting factors analysis and parameter correction of direct shear test

土的直接剪切试验，在土力学试验教学中有重要的地位。

The directly shearing test of soil plays an important role in soil laboratory tests .

目的为了消除直剪试验过程中，剪切面积变化对试验结果的影响，建立了直接剪切试验中剪应力变化方程。

Considering the change conditions of shear areas in shear test , the shear stress equation has been established .

同时，为了评价粒料的嵌挤强度，还进行了室内大型直接剪切试验。

To valuing the interlock strength of gravel base , we also had done large-scale straight shearing test in door .

对同一级配的河床砂卵石在不同相对密度下进行的直接剪切试验结果表明，其抗剪强度参数随着干密度的增大而增大，最终有趋于某一稳定值的趋势。

The shearing strength parameters are increased if dry density are improved and finally to steady tendency for the same riverbed sandy cobble .

直接剪切试验更准确地模拟了垃圾团间的滑动摩擦特性，用直接剪切试验确定垃圾土的强度参数更合理；

The direct shear tests are more accurate in simulating friction behavior between blocks of solid waste feasible to determine the strength parameters of solid waste .

本文利用直剪仪对安康膨胀土进行了直接剪切试验和增湿剪切试验，并对试验结果进行了比较。

The direct shear test and moistening shear test results are compared in this paper by using direct shear apparatus for the expansive soil in Ankang .

在对三种岩石结构面进行直接剪切试验的基础上，探讨了结构面的变形特性和表面粗糙度的效应。

Direct shear tests were conducted with three kinds of rock joints that contained in limestone from a underground mine , deformation behavior and roughness effect of the joints are discussed .

对土工试验中直接剪切试验与三轴压缩试验所得的抗剪强度进行了比较与分析，从而对工程不同要求提出不同的试验方法。

The resistance to shear by the direct shear test and the triaxial compression test in soil test is compared and analyzed . The different test method is adopted about the different work .

发现直接剪切试验受试验压力的影响，在求取后期加固结构强度以及抗剪强度指标时均具有局限性，而三轴剪切和高压固结试验获取的后期加固结构强度比较接近，是可行的方法。

It is found that the direct shearing test is affected by the test pressure , and there exists limitation in obtaining the structural strength of later reinforcement and the index of shear strength .

在DRS-1型微机高压直残剪试验系统上进行了建筑砂、标准砂、粉砂和粘土与混凝土界面、金属光滑界面、金属粗糙界面的正交直接剪切试验。

The orthogonal direct shearing experiment between building sand , standard sand , silt , clay and concrete interface , smooth metal interface , rough metal interface was conducted with a DSR-1 high-pressure shearing system .

就现行排水反复直接剪切试验中所存在的问题，如时间长，试验结果不理想而提出了一些改进办法。

Some better ideas to solve the problems that existed in the repeated drained direct shear test , such as the test time is so long and the results of the test are not logical .

与无腹筋梁剪切破坏类似，直接剪切试验试件的破坏也是在剪切面形成一条主要的贯穿裂缝，使得破坏前裂缝附近的位移场受到强烈扰动。

And the shear failure of direct-shear test is analogous to which of beams , a main crack comes into being at the shear plane , resulting in a strong disturbance on the displacement field near the crack before the damage .

根据作者长期从事土工试验的经验，阐述了在室内土工试验时，样品制备、含水率试验烘箱温度选择、水平固结试验和直接剪切试验中应该注意的问题。

According to the author ′ s experience this paper presents the main problems which should be regarded in laboratory soil tests , including sample preparation , the oven temperature selection in water content test , level consolidation test , direct shearing test and so on .

为了解岷江流域某高拱坝坝体碾压混凝土的力学特性，对取自该坝体的碾压混凝土试样，进行了常规三轴压缩和直接剪切全过程试验。

To investigate the mechanical properties of the roller compacted concrete ( RCC ) of a high arch dam in Minjiang river catchment , the RCC samples drilled out of the dam were tested under routine triaxial pressure and direct shearing loads .