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A new multi-functional bridge seismic isolation bearing (MFBSIB) is designed and its mechanical model is developed in this paper. Combining an upper sliding device and a lower energy dispassion isolation device effectively, the new MFBSIB can adjust the deformation caused by temperature, vehicle breaks, and concrete creep, etc., in addition to dissipating energy. The switch of ‘slide-isolation’ is...
In this paper, we aim at obtaining the deformation law and the mechanics characteristic of the supporting structure of ∞-Shaped super deep foundation pit, including the deformation law and the plastic zone of the soil outside the structure. Based on the example of ∞-Shaped super deep foundation pit for South Anchor of the Fourth Nanjing Yangtze River Bridge construction, the full three-dimensional...
An analysis on safety factor of anti-sliding stability at dam foundation through c-phi reduction algorithm by finite elements is presented. When the system reaches instability, the numerical non-convergence occurs simultaneously. The safety factor is then obtained by c-phi reduction algorithm. Complex rock foundation of Xi He power station has been analyzed by using strength reduction FEM and the...
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