大瑶山隧道坍方分析和处理简介

Analysis and Disposal for the Collapse of Surrounding Rock in Dayaoshan Tunnel

本文分析了实际坍方的原始材料,总结了坍方原因和坍方规律,并试用赤平极射投影、实体比例投影方法、经验式方法对坍方进行预报。

Based oa comprehensive analysis the collapse of surrounding rock in Dayaoashan Tunnel are discussed. The collapse has further been predicated by means of an empirical formula, stereographic projection and stereographic projection with the ratio.