Abstract:
The entry portal of NO. 2 Huangcao Ping Tunnel located on State Highway of NO. 318 is selected as the prototype to make large shaking table test. Firstly, the similarity relation, the moulding material, the mouldcase design, the test scheme and the load subsequence is introduced, and then the dynamic response of acceleration, earth pressure, displacement and strain occurred on the portal lining, the portal structure and the portal slope is systematically analyzed, and finally give the evaluation on seismic safety of the NO. 2 Huangcao Ping Tunnel.