An elliptic paraboloid is proposed as the failure surface for concrete under multiaxial Stresses.
本文用椭圆抛物面作为混凝土三向应力时的强度破坏面。
For the rock slope with planar failure surface, the structural plane plays a controlling role in the stability of slope.
对于平面滑动型的岩质边坡，结构面对边坡的稳定性起着控制作用。
We get the form and position of failure surface, and then calculate factor of safety with general limit equilibrium method.
确定了滑动面的位置和形式，然后用刚体极限平衡法计算安全系数。
For locating the critical failure surface, the particle swarm or the harmony method is used, which is an upper bound approach.
而搜索临界滑裂面的过程，采用粒子群法或和声法搜索最危险滑动面。
The two calculating methods are compared and impact factors on the critical Angle of second failure surface are analyzed by case studies.
通过算例对两种算法进行对比并分析第二破裂面临界角影响因素。
This paper researches the failure surface modes of displaced soil mass in front of anchor plate by tests, meanwhile analyses the earth resistance.
利用试验观测锚碇板前置换土体破裂面形态，并对其抗力进行分析。
For Laxiwa granite failure surface under various stress states, the microtest has been carried out to study the microfailure character and its mechanism.
对拉西瓦花岗岩在各种受力情况下岩石破坏断口，进行了微观扫描电镜试验研究，分析了岩石微观破坏形貌特征和微观破坏力学机制。
The ground pressure distribution and the shape of failure surface by conducting model tests for the cylindrical retaining wall of a shaft in cohesionless soils are discussed.
讨论了无黏性土中圆柱型挡土墙的模型试验，给出土压力的分布和破坏面形状。
A simple formula for calculating pure shear strength of concrete is derived on the basis of the verified mathematical model of concrete failure surface, the elliptic paraboloid.
本文根据已论证过的混凝土破坏面，即椭圆抛物面的数学模型，报导出一个用以计算混凝土纯剪强度的简单公式。
Because the objective function of the safety of factor is nonconvex, multi-variable, and existing many minimums, searching the most dangerous failure surface usually is difficult.
由于安全系数的目标函数是非凸的、多变量的并且存在多个极小值，所以一般边坡最危险滑弧的搜索是困难的。
The position of the geotechnical failure surface is relative to the failure criteria, and different positions and relevant shear strengths can be got by using different failure criteria.
岩土空间破坏面位置的确定与计算所选用的破坏准则有关，运用不同的破坏准则得到的土体的破坏面位置及相应抗剪强度也不同。
There are lots of discontinuities whose geometry exhibits a random behavior in rock excavated slopes, and the failure surface of the slope is normally consisted of the joints and rock-bridges.
岩石边坡开挖中存在大量的随机结构面，结构面与岩桥的组合破坏是边坡破坏的一种重要形式。
Sequential images of the deformation field under a model footing were digitally recorded. The DPDM technique was used to achieve the incremental displacement field and the slip failure surface.
基础荷载作用下的地基变形场用连续的数码相片记录，然后用数字照相变形量测技术分析得到地基的增量变形场和地基的破坏面。
Through hardness test, impacting test, SEM of failure surface and microstructure observation, the relationship between the toughness and its microstructure of welding joint of T92 steel was studied.
通过硬度试验、冲击试验、断口扫描和金相组织观察，研究了T92钢焊接接头的韧性与组织的关系。
Failure surface shape of pile tip and ultimate tip resistance was obtained according to Mohr-Column failure criteria.
根据莫尔-库仑破坏准则得出了桩端的破坏面形状以及极限端阻力。
Failure surface shape of pile tip and ultimate tip resistance was obtained according to Mohr-Column failure criteria.
根据莫尔-库仑破坏准则得出了桩端的破坏面形状以及极限端阻力。
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