Segmental mobility increases by up to a factor of 1000 during uniaxial tensile creep.
节段性流动增加最多的一个因素1000年在单轴拉伸蠕变。
The main factor which affects on the tensile fracture of the C/Pb composites was given.
结合拉伸断口形貌分析,讨论影响铅基复合材料拉伸断裂过程的主要因素。
Introduced in this paper are two fracture critical surfaces of three dimensional mixed mode obtained from the theory of strain energy density factor and the theory of maximum tensile strain.
本文对按应变能密度理论和最大拉应变理论所推导出的两个三维复合型断裂临界曲面作了简要介绍。
The important influence of efficiency factor of anchorage and tensile parameter were involved in the mathematic formula, which was an important reference of ascertaining the safe coefficient.
在计算公式中引入锚具效率系数和张拉应力控制系数等重要影响因素,对确定锚索安全系数有重要参考价值。
Tensile rate is a key factor in tensile tests of mechanical properties at room temperature in the case that other given conditions are meet.
在室温机械力学性能拉伸试验中,在满足其它规定条件的前提下,拉伸速度是一个关键的因素。
By analyzing the relation of microstructure, weld zone quality and tensile property, it is concluded that the welding technological parameter of L245 steel is the main factor of the welding crack.
通过分析l 245钢埋弧焊焊缝区质量、微观组织和拉伸性能关系表明,焊接工艺参数的合理制定是低合金钢l 245焊管产生裂纹等缺陷的关键因素。
Safety factors of rock, including shear safety factor and tensile safety factor, safety factor of lining and design calculation methods of tunnel are studied.
研究了隧洞围岩安全系数(剪切安全系数、拉裂安全系数)与衬砌安全系数的算法以及隧洞设计计算方法。
The resistance reduction factor is suggested as a fixed value of 0.90, regardless of the strain level of the tensile steel reinforcement.
基于对抗力折减系数的参数研究结果,无论钢筋的应变水平如何,建议取固定值0.90。
The main factor causing destruction of roadway in tectonic stress field is found to be the high tensile strain, which appears after the coal seam above haulage roadway is mined.
提出在构造应力场中,开采运输巷道上方的煤体使巷道产生拉伸形变是巷道破坏的主要根源。
The acceleration factor calculated from tensile testing indicates that the relative humidity has an obvious effect on the degradation together with the well-known effect of the temperature.
拉伸试验计算所得的加速系数说明相对湿度和众所周知的温度一样,对降解有明显的影响。
The composite stress factor and pre-tensile force loss of the two diameter high strength bolts of M27 and M24 are experimentally determined in the paper.
本文对M27和M24两种直径高强度螺栓进行了复合应力系数测定和预拉力损失试验。
Then, the criteria of hydraulic fracturing of different tensile cracks are discussed. The mechanism and formula for stress intensity factor are put forward.
然后研究压剪断裂的力学机理,分析有水压力作用的压剪断裂应力强度应力的计算及其断裂判据。
Then, the criteria of hydraulic fracturing of different tensile cracks are discussed. The mechanism and formula for stress intensity factor are put forward.
然后研究压剪断裂的力学机理,分析有水压力作用的压剪断裂应力强度应力的计算及其断裂判据。
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