冻结施工立井井壁受力分析

Stress Analysis of Shaft Lining Constructed by Freezing Process

本文阐述了冻结施工立井井壁在井筒施工期间、冻结壁解冻后和矿井投产后的受力情况。分析了冻结施工立井井壁在矿井投产后受到破坏的主要原因。提出了防止立井井壁破坏的途径。

Stress on shaft-lining constructed by freezing process during, shaft sinking, after thawing and in years of service is analyzed. Main cause of shaft-lining failure in period of service is discussed; Means of faiture prevention is proposed