基于二郎山隧道工程，介绍了EGM96在平面网中垂线偏差改正的应用。

Based on the Erlang Mountain Tunnel, the paper introduces application of EGM96 in correction of perpendicular deviation in plane network.

对二郎山和华蓥山隧道在建设过程中的高地应力岩爆与岩溶涌突水问题进行了研究。

High stress rock burst and water outburst occurred in Erlangshan and Huayingshan road tunnels separately.

概述了二郎山隧道地应力场、岩爆及围岩变形的监测预报，并对华蓥山隧道岩溶涌突水的特征、原因及对隧道的影响进行了研究；

The ground stress surveying, rock mass deformation monitoring in Erlangshan tunnel, and study of the characteristics, influence factors of water outburst in Huayingshan tunnel are presented.