Tunnel excavation below existing tunnels produces ultimate and serviceability problems to
the existing tunnels. The behaviours of induced stresses on the existing tunnels haven't yet …

Tunnelling in the dense urban areas frequently results in over-crossing or bypassing the
existing tunnels. It is obvious that the over-crossing tunnelling will adversely affect and even …

This paper proposed an analytical solution to investigate the response of an existing tunnel
induced by new tunnel excavation underneath. A Timoshenko beam lying on a Kerr …

In recent years, with the rapid increase of urban subway lines, crossing engineering has
become another complex problem of modern tunnel construction techniques, and especially …

Tunnel construction is vital for the development of urban infrastructure systems throughout
the world. An understanding of tunnelling-induced displacements is needed to evaluate the …

Tunnel driving inevitably induces changes in stress and deformation in the ground, which
could cause ultimate and serviceability problems to an adjacent tunnel. The effects of …

The paper examines the problem of tunneling beneath buried pipelines and the relationship
between soil strains and pipeline bending behavior. Data are presented from centrifuge …

In congested urban areas, earth pressure balance (EPB) shielding is commonly adopted to
alleviate tunneling effects on surrounding structures. Tunnel active face instability can cause …

In heavily urbanised areas, the construction of tunnels underneath existing ones is
unavoidable and much caution has to be exercised in both design and construction so as …

The excavation of a new tunnel above an existing shield tunnel at close proximity may cause
a series of adverse impacts on the underlying tunnel. Thus, a reasonable assessment of the …