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| 大伙房输水工程特长隧洞TBM选型及支护系统优化研究 | |
| 引用本文： | 张军伟,梅志荣,唐与,章元爱.大伙房输水工程特长隧洞TBM选型及支护系统优化研究[J].铁道工程学报,2010(3). |
| 作者姓名： | 张军伟 梅志荣 唐与 章元爱 |
| 作者单位： | 1. 中国铁道科学研究院,北京,100081 2. 中铁西南科学研究院有限公司,成都,610031 3. 辽宁润中供水有限责任公司,沈阳,110000 |
| 摘 要： | 研究目的:大伙房输水工程特长隧洞主洞长85.32 km,开挖洞径8.03 m,属于深埋特长隧洞。由于隧洞施工采用以TBM为主、钻爆法为辅的联合施工方式。隧洞穿越区域水文地质条件复杂,通过对TBM合理选型和支护系统优化,来解决隧洞开挖过程中面临的围岩稳定性、隧洞涌水、石英砂岩的掘进效率及岩爆等三大关键技术难题。研究结论:通过对大量文献资料和工程实例的研究,对大伙房特长隧洞所穿越区域的主要工程地质问题进行分析,并结合国内外已有的TBM施工经验,特长隧洞决定选用敞开式TBM,锚喷支护+模筑混凝土复合衬砌结构支护系统代替管片衬砌结构。对大伙房输水工程特长隧洞的建成发挥了重要的保证作用,也为今后类似工程提供参考和借鉴。 |
| 关 键 词： | 输水隧洞 特长隧洞 敞开式TBM 锚喷支护 NATM理论 |
TBM Type-selection and Study on Optimization of Support System for Super Long Dahuofang Water Tunnel |
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| ZHANG Jun-wei,MEI Zhi-rong,Tang Yu,ZHANG Yuan-ai.TBM Type-selection and Study on Optimization of Support System for Super Long Dahuofang Water Tunnel[J].Journal of Railway Engineering Society,2010(3). | |
| Authors: | ZHANG Jun-wei MEI Zhi-rong Tang Yu ZHANG Yuan-ai |
| Institution: | ZHANG Jun-wei1,MEI Zhi-rong2,Tang Yu3,ZHANG Yuan-ai2(1.China Academy of Railway Sciences,Beijing 100081,China,2.Southwest Research Institute Co.Ltd.of CREC,Chengdu,Sichuan 610031,3.Liaoning Runzhong Water Supply Ltd.,Liaoning,Shenyang 110000,China) |
| Abstract: | Research purposes: The Dahuofang water tunnel is a super long deep-buried tunnel with the length of main tunnel of 85.32 km and excavation diameter of 8.03 m.TBM was used as main construction method along with bored blasting method for construction of the tunnel.As the tunnel passed through the area with complicated hydrogeologic conditions,it was necessary to do the works of TBM type-selection and optimization of the support system so as to solve the technical problems related to the stability of surroundi... |
| Keywords: | water tunnel super long tunnel open-type TBM bolt-shotcrete support NATM theory |
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