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In Situ Tests on Fatigue Characteristics of Top-mounted Dividable Pile-board Structure Subgrade in High-speed Railway
| 题名： | In Situ Tests on Fatigue Characteristics of Top-mounted Dividable Pile-board Structure Subgrade in High-speed Railway |
| 正文语种： | 中文 |
| 作者： | Qian SU Hao AI Xun WANG Haoran JIANG |
| 作者单位： | School of ivil Engineering,Southwest Jiaotong University, hengdu 610031,Sichuan, hina |
| 关键词： | high-speed railway top-mounted dividable pile-board structure in situ tests forced vibration test fatigue characteristics |
| 摘要： | The top-mounted dividable pile-board structure subgrade is a new type of high speed railway line structure crossing weak foundation.The train loading can lead to greater alternating stress in this structure through the track structure,so it is necessary to technically research the last-term performance of pile-board structure using the true-to-scale in situ tests.The forced vibration loading is repeated 1 million times in different cross-sections of pile-board structure for high-speed railway using the in situ dynamic testing system DTS-1,to simulate the fatigue characteristics of the pile-board structure under long-term dynamic load. |
| 会议日期： | 20091128 |
| 会议举办地点： | 成都 |
| 会议名称： | 高速铁路、线路工程设计理论、施工及养护技术国际学术会议 |
| 出版日期： | 2009-11-28 |
| 母体文献： | 高速铁路、线路工程设计理论、施工及养护技术国际学术会议论文集 |
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