|
|
|
| Research on Shaking Table Test of Pile － type Retaining Wall for Embankment |
| PAN Yue － fu1，DUAN Xiao － pei2 |
| 1． China Railway Eryuan Engineering Group Co． Ltd，Chengdu，Sichuan 610031，China;2． Southwest Jiaotong University，Chengdu，Sichuan 610031，China |
|
|
|
|
Abstract Research purposes: According to the Bockingham π theorem，the model of the shaking table of pile － type retaining wall was designed for the embankment of one railway in the southwest Chin． By the shaking table test，the analysis of the displacement responses laws of pile － type retaining wall to the earthquake acceleration was made to get the dynamic response laws of the pile under the effect of earthquake and check the anti － seismic effect of reinforcing the high － slope embankment for the purpose of providing the basis for analysis and evaluation of the anti － seismic stability of the pile － type structure of the embankment．
Research conclusions: The horizontal displacement peak of the pile top and the dynamic strain peak of the pile body increased; with the increase of the acceleration． The maximum dynamic stress of the pile appeared in and under the boundary surface． There was a difference in the vibration direction between the upper and the lower boundary surfaces in vibration process． Under the seismic condition，adding the reinforcement could effectively reduce the dynamic effect of soil on the anchor pile． The pile － type retaining wall structure had a good anti － seismic property and met the anti －seismic design demand of the engineering in the high seismic intensity zone．
|
|
Received: 02 September 2011
|
|
|
|
|
|
［1］ 王建，等． 路堤震害模式及路堤动力特性研究［J］． 岩土力学， 2010( 12) : 3801 － 3804．
Wang Jian， etc． Research on Seismic Damage Mode and Dynamic Characteristics of Road Embankment ［J］．China Journal of Geotechnical Engineering，2010( 12) :3801 － 3804．
［2］ WEGNER J L． Dynamic Wave － soil － structure Interaction Analysis in the Time Domain ［J］． Computer and Structures，2005( 83) : 2206 － 2214．
［3］ 刘志强，等． 地铁隧道下卧土体动力特性模型试验研究［J］． 铁道工程学报， 2011( 9) : 94 － 96．
Liu Zhiqiang． Model Test Research on Dynamic Characteristics of the Underlying Soil for Subway Tunnel［J］． Journal of Railway Engineering Society，2011( 9) : 94 － 96．
［4］ 陈国兴，等． 土－ 地铁隧道动力相互作用的大型振动台试验: 试验方案设计［J］． 地震工程与工程振动，2006( 6) :178 － 182．
Chen Guoxing． A Large － scale Shaking Table Test for Dynamic Soil －metro Tunnel Interaction: Analysis of Test Results［J］． Earthquake Engineering and Engineering Vibration ， 2006( 6) : 178 － 182．
［5］ 蒋录珍，等． 地下综合管廊结构振动台模型试验与有限元分析研究［J］． 地震工程与工程振动，2010 ( 4) : 555 －567．
Jiang Luzhen，etc． Seismic Response of Underground Utility Tunnels: Shaking Table Testing and FEM Analysis［J］． Earthquake Engineering and Engineering Vibration，2010( 4) : 555 － 567．
［6］ 周颖． 高层混合结构的振动台模型试验研究［J］． 地震工程与工程振动， 2009( 8) : 47 － 49．
Zhou Ying． Shake Table Testing of a Multi － tower Connected Hybrid Structure［J］． Earthquake Engineering and Engineering Vibration，2009( 8) : 47 － 49．
［7］ 杨林德，王国波，等． 地铁车站接头结构振动台模型试验及地震响应的三维数值分析［J］． 岩土工程学报，2007 ( 12) : 1893 － 1894．
Yang Lindeng，Wang Guobo． Shaking Table Tests on Subway Station Joint Structure and 3D Numerical Simulation of Seismic Response［J］． China Journal of Geotechnical Engineering， 2007( 12) : 1893 － 1894．
［8］ 铁道部第一勘察设计院?路基［M］． 北京: 中国铁道出版社， 1995．
The Ministry of Railways First Survey and DesignInstitute ? Railway Roadbed ［M］． Beijing: ChinaRailway Publishing House，1995．
|
|
|
|
2012, Vol. 29 
