论文部分内容阅读
到目前为止,现有的一些喷射混凝土计算方法,还没有充分的理论根据。研究这些方法的复杂性,首先在于喷射混凝土支护具有不规则的轮廓。计算时也不可能考虑到由喷层与围岩形成共同承载支护体系的工作特性。甚至考虑在一定的地质条件下保证巷遭安全支护起决定作用的喷层不均勾性的方法还没有。做过的试验指出,这些因素对喷射混凝
So far, there are not enough theoretical bases for some existing calculation methods for shotcrete. The complexity of studying these methods, above all, is that the shotcrete support has an irregular profile. When calculating, it is impossible to consider the operating characteristics of the co-bearing support system formed by the spray layer and the surrounding rock. Even considering the way to ensure the safety of laneway under certain geological conditions play a decisive role in the spray layer unevenness of the hook method is not yet. The tests that have been done point out that these factors are for jetting coagulation