本文著重于巖體中洞室超挖-不穩(wěn)定楔形體的預(yù)測.This article emphasizes a prediction of overbreak, the unstable wedge , for openings jointed rock mass.分析了超挖回填層和不同回填材料對復(fù)合襯砌模型結(jié)構(gòu)承載力的影響.提出的結(jié)論可供隧道設(shè)計、工參考.Presented conclusion may be used for reference ...