This paper developed a FEM modeling to evaluate the composite segmental lining's fire
resistance by simulating the thermo-mechanical behavior under the fire conditions. The …

This study aims to explore the impact of different fibers on the explosive spalling resistance,
residual compressive strength, residual flexural tensile strength, and mass loss of self …

This article provides a summary of substantial aspects pertaining to the design of concrete
tunnel linings subjected to serious fire exposure. Compared to building fires, the air …

The segmental joint is the most critical component for determining the mechanical response
of concrete segmental linings in a shield-tunnel structure. Existing segmental joint models …

In order to investigate the characteristics of tunnel concrete lining after a fire, a 1/10 scale
tunnel fire model was constructed to study the color change and strength reduction of the …

The overload damage seriously threatens the service life of the tunnel structure, and the
elevated temperatures under the extreme load of fire pose a more serious threat to the …

High-performance concrete (HPC) is vulnerable to spalling under high temperature
conditions and it has been found that the heating rate can exert a tremendous effect on …

For a shield tunnel structure in fire, the thermal-mechanical behavior of tunnel lining
segments plays a key role in determining the failure process. Due to the restriction at the …

Metro systems in urban cities demand rapid inspection methods, in order to identify critical
structural defects in a timely manner. However, traditional inspection methods are only …

In this paper, the mechanical performance of an ultra-high-performance concrete (UHPC)
repaired cementitious composite system, including the old matrix and the new reinforcement …