<p>As a kind of modern vehicle, subway has shown us the advantages of safety, speediness, low power consumption, low pollution etc. It has been the main part of the urban high-capacity public traffic system. More and more subway lines appear in order to meet ...

<p>Monitoring the deformations of subway tunnels in soft ground is a principal means for selecting the appropriate excavation and support methods in the design. In this paper, briefly describes the basic deformation monitoring requirements, analyzes the tunnel ...

<p>The Open and Go-down square is located at the center of the city where the constructional surroundings are very complex. It&rsquo;s a great challenge to the excavation because metro line 1 and 2 tunnels just underlie the pit forming a shape of double crossing ...