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List of products by author: B. Gao
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Dynamic response of tunnel portals in mountainous areas with High seismic activities
Abstract: Many portal structures of tunnels in mountainous area have been severely damaged during strong earthquakes in recent years, especially in the Wenchuan earthquake. This paper analyzes the dynamic responses of tunnel portal structures using three dimensional (3D) Finite Difference Method (FDM) for a real highway tunnel in Wenchuan area. The deformation characteristics and stress behaviour of the...
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Study on mechanics characteristics of tunnel structure crossing under high-rise building
Abstract: Nowadays, High-speed railway is extended to the China Midwest, but there exists a higher design or construction requirements for high-speed railway compared to Eastern China due to a mountainous area with complex geological conditions and terrain conditions. The new railway line from Lanzhou to Chongqing has to cross underneath the high-rise building group at LYS-14 section of the suburbs of...
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Study on the Mechanism of Seismic Technology of Deep Soft Rock Circular Tunnels Subjected to Incident Plane P Waves
Abstract: Tunnel damage generally occurred in soft surrounding fracture zone and the study on the seismic technology of soft rock tunnel was important and essential which was invested by WANG(2009). Currently, grouting reinforcement is always used in weak rock tunnel as seismic measure. Since Pao and Mao (1973) firstly studied the dynamic stress concentration of circular lined cavity in elastic full...
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