承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
对于桩长和桩的长径比均小于25的嵌岩桩，侧阻力随桩顶荷载的增加而增大，且在高的应力水平下平缓增长，当达到最大荷载时达到试验最大值，其嵌岩部分侧阻力从上至下依次发挥。
When pile length and the ratio about pile length to pile diameter is less than 25, side resistance is aggrandized by increasing of the load, and gently added at high stress level.
混凝土的徐变包括低应力水平下的近似线性徐变和高应力水平下的非线性徐变。
Creep of concrete consists of approximate linear creep at the level of low stress and nonlinear creep at the level of high stress.
当高角度缝的走向与最大水平主应力的方向一致时，后期水平应力对原生裂缝有保持作用；
When the high-angle fracture has the same direction with the maximum horizontal stress, the subsequent horizontal stress will preserve the primary fracture.
高应力水平时堆石料的颗粒破碎对其强度和变形机制有重要影响。
The grain crushing of rockfill materials with high stress level has significant influence on its strength and deformation mechanisms.
对高应力水平下粒状土体的破碎特性进行深入研究有助于解决这一类型的岩土工程问题。
Understanding the behavior of soils subjected to high pressures is fundamental to assisting in the solution to these types of geotechnical engineering and geological problems.
这类土，由于固化联结键和高孔隙度，其压密特性，孔隙压力的变化和剪切应力—应变关系均与应力水平有密切关系。
Owing to the bonds and high porosity in such soils, its characteries of compressibility, the change of pore-pressure and shear stress-strain relationship all depend on stress level.
计算结果表明：整体浇注式包底的应力水平比砌筑式包底的高；
Calculation results indicate:the thermal stress of bottom structured of brick is higher than that structured of castable;
高应力区的小煤柱已充分预发育裂隙，且水平位移大，应力水平降低。
Small coal pillar in high stress area has pre-developed splits and large horizontal displacement, and its stress concentration degree is lower.
高应力区的小煤柱已充分预发育裂隙，且水平位移大，应力水平降低。
Small coal pillar in high stress area has pre-developed splits and large horizontal displacement, and its stress concentration degree is lower.
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