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《Journal of Hydroelectric Engineering》 2012-04
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Plastic deformation and displacement of radial gate experiencing underwater explosion shock loading

ZHANG Qiling1,2,LI Duanyou1,2,ZHOU Wu1,2(1.Changjiang River Scientific Research Institute,Wuhan 430010; 2.Research Center on Water Engineering Safety and Disaster Prevention of MWR,Wuhan 430010)  
To evaluate anti-terrorism safety of radial gate and seek effective anti-terrorism measures,the dynamic responses of radial gate experiencing underwater explosion shock loading under normal running condition were studied and the potential extreme status was forecast in this work.An elasto-plastic time-historic analysis of an actual radial gate was carried out using Abaqus/Explicit,with its underwater explosion shock loading taken from a previous experiment.Fluid-structure coupling of water and gate was considered.The results show that the characteristic of explosion shock and the gate's failure mode vary with different underwater explosion locations.The intersection region of partitions,boundary beams and upper main beam together with the pin rocker bearing of support arms should be the anti-terrorism protection focuses of radial gate.
【Fund】: 水利部公益性行业科研专项经费项目(200901058)
【CateGory Index】: TV663.2
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