巨厚冲积层立井井筒支护设计

Design on Mine Shaft Support in Ultra Thick Alluvium Section of Mine Shaft

为了解决巨厚冲积层条件下井筒支护强度问题,文章分析了厚冲击层井筒受力影响因素,研究了井壁在冲积层内的受力状态,对厚冲积层井筒支护强度进行了计算,结果表明,传统的混凝土及加筋混凝土材料已不能满足强度需求,应采用复合井壁进行井筒支护,复合井壁的计算可以采用材料弹性模量等效的方法计算。

In order to solve a support strength problem of a mine shaft under a condition of an ultra thick alluvium, the paper analyzed the stress influence factor of the mine shaft with the thick alluvium and studied the stress status of the alluvium in the mine shaft liner. A calculation was conducted on the support strength of the mine shaft with the thick alluvium. The results showed that the conventional concrete and the reinforced concrete material could not meet the strength requirements, a complex liner should be applied to the support of the mine shaft and the calculation of the complex shaft liner could be conducted with a material elastic modulus equivalent method.