The results showed that manufacturing defects of the bolt resulted in initiation and propagation of fatigue crack, and uneven loading of the bolt speeded up failure process of fatigue fracture.
确认螺栓机加工不当引起疲劳裂纹的萌生及扩展，加之螺栓受力不均匀加速了疲劳断裂过程。
The results indicated that space effect had disadvantageous influence upon the main-arch carrying capacity under the uneven snow loading.
计算结果表明：在非均匀雪荷载作用下，空间作用对主拱承载能力有不利的影响。
There are many factors which contribute to the uneven surface of precast paving slabs. this may be due to the heavy loading caused by illegal parking of vehicles on the footway ;
导致预制铺路砖表面凹凸不平的因素很多，包括在行人路上违例泊车，以致路面负荷过重； 铺砌方法不当； 以及掘路后进行的修复工程不合标准等。
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