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List of products by author: X. M. Zheng
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A Study on Planning of Network-Based Rock Mass Classification and Decision Making System
Abstract: Ground assessment processes based on face mapping are closely related to the stability and economic feasibility of NATM tunnels while the expertise of field engineers is a highly important factor. In Korea, tunnel collapse accidents and economic losses have continued to occur due to technical, economic, and institutional problems during NATM tunnel construction. Such problems have led to...
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Prerequisite Tasks for Construction of Deep Underground Road in Korea: Part 2. Fire protection, ventilation in tunnel...
Abstract: Because of insufficient spaces for road facilities, traffic congestion at a dangerous level, negative views to construction environment and soaring land price in metropolitan areas, coupled with developed excavation and tunneling technologies, needs for building deep underground roads have been increasingly growing. Korea has been planned or designed the construction: for example U-Smartway was...
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