<p>TBM tunneling is an ever-increasing prospect for underground construction, and with each new tunnel bored there are unknown elements. When boring through the earth, even extensive Geotechnical Baseline Reports can miss fault lines, water inflows, squeezing ...

<p>The utilization of underground space becomes a more important issue in megacities of the world in order to build more functional and advanced cities. However, because a lot of underground structures such as lifelines have already been developed in the megacities, ...

This paper aims to provide a correlation between the two quality indexes, with the intention of supplying a tool to aid in both the design phase and the daily control of work execution. The formulas were obtained from the on-site observation of rocky masses ...

<p>The pipe jacking method is commonly used in Hong Kong for construction of underground cable duct crossings and stormwater drains. The method minimizes the disturbance to or interference with the activities and facilities on the ground surface. In this paper, ...

<p>Underground facilities are an integral part of the infrastructure of modern society and are used for a wide range of applications, including subways and railways, highways, material storage, and sewage and water transport. Underground facilities built in ...

<p>This publication discusses the general outline of the railway tunnel project around and below the new city hall. It explains the geotechnical engineering and construction of the retaining and supporting function of the railway tunnel wall while facing the ...