Stress concentration occurs in surrounding rocks, while the maximum tension stress is less than the tensile strength of rock mass, so tensile crack does not take place.
动荷载作用下地下硐室群围岩出现较大的应力集中,但最大拉应力小于岩体的抗拉强度,地下硐室群围岩不会出现拉裂破坏。
The stress-strain entire curve in direct tension can comprehensively reflect the tensile performance of concrete.
混凝土拉伸应力—应变全曲线能较全面地反映混凝土的拉伸性能。
With the cable tension, the stress distribution of Cable-girder anchorage with tensile anchor plate is gained ;
分析了索力作用下锚拉板式索梁锚固结构应力大小及分布情况;
Direct tension test is the only feasible way to obtain the uniaxial tensile stress-strain curves, and the initial eccentricity is the key issue affecting the uniaxial tensile test results.
直接拉伸试验是获得材料单轴拉伸应力-应变曲线的唯一可行方法,初始偏心是影响单轴拉伸试验结果的关键问题。
Direct tension test is the only feasible way to obtain the uniaxial tensile stress-strain curves, and the initial eccentricity is the key issue affecting the uniaxial tensile test results.
直接拉伸试验是获得材料单轴拉伸应力-应变曲线的唯一可行方法,初始偏心是影响单轴拉伸试验结果的关键问题。
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