数目众多的纵、横向裂缝已大大削弱了混凝土顶拱的强度、刚度及稳定性，危及地下厂房的安全运行。
With the influence of so many cracks, the strength, stiffness and stability of the umbrella arch is decreased greatly, which endangers the operation of underground power house.
结果表明：使用橡胶改性沥青粘层处理的纵缝性能最好，没有明显裂缝，其次为切削盘。
The result shows that the longitudinal joints performance treated by rubber modified bituminous stick course is best without obvious cracks, the second is cutting wheel.
砖混房屋顶层纵墙出现温度裂缝是常见工程事故之一。
It is one of the common engineering accidents that temperature crevice arises in the top coat vertical wall of a brick concrete building.
混凝土坝工程横缝、纵缝，以及由于各种因素引起的混凝土裂缝是普遍存在的。
Joints such as transverse and longitudinal joints, and cracks caused by all kinds of factors are quite common in concrete DAMS.
混凝土坝工程横缝、纵缝，以及由于各种因素引起的混凝土裂缝是普遍存在的。
Joints such as transverse and longitudinal joints, and cracks caused by all kinds of factors are quite common in concrete DAMS.
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