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DESIGN OF COMPOSITE SEGMENT FOR UNDERGROUND DISCHARGE CHANNEL
| 题名： | DESIGN OF COMPOSITE SEGMENT FOR UNDERGROUND DISCHARGE CHANNEL |
| 正文语种： | 中文 |
| 作者： | Wenjun ZHANG Atsushi KOIZUMI |
| 作者单位： | dvanced Research Institute for Science and Engineering,Waseda University,Tokyo 169-8555,Japan epartment of ivil and Environmental Engineering,Faculty of Science and Engineering,Waseda University,Tokyo 169-8555,Japan |
| 关键词： | composite segment confinement effect Slip effect limit state design method |
| 摘要： | Composite segment has been widely used in deep shield tunnel.However,the present design for composite segment based on the theory of reinforced concrete cannot appropriately reflect the excellent properties of composite segment.Therefore,the rational design method of composite segment is required.In this paper,the proposed mechanical model is used to design the most complicated composite segment called as closed composite segment for underground discharge channel based on the limit state design method.As a result,the reduction of segment thickness is obtained using Closed-composite segment and this indicates that composite segment is suitable for decreasing muck,construction period and the outside diameter of the shield machine.In general,the costs of construction,risk,and maintenance will be decreased |
| 会议日期： | 20090916 |
| 会议举办地点： | 成都 |
| 会议名称： | 第五届中日盾构隧道技术交流会 |
| 出版日期： | 2009-09-16 |
| 母体文献： | 第五届中日盾构隧道技术交流会论文集 |
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