施工技术 2016年12月上 62 CONSTRUCTION TECHNOLOGY 第45卷第23期 D01:10.7672/sgjs2016230062 特殊地质条件下盾构机脱困技术研究* 贾璐12.3,温法庆4,刘圣勇4,皮膺海3 (1.华中科技大学土木工程与力学学院,湖北武汉430074;2.南京栖霞建设股份有限公司,江苏南京210037; 3.南昌大学建筑工程学院,江西南昌330031;4.中铁十八局集团有限公司,天津300222) [摘要]盾构在复杂地质条件下较长时间停机后的脱困,常常受到诸多不利因素的影响,以自身能力实现脱困,可 避免借助外力辅助盾构脱困带来的影响.以某盾构施工项目为研究对象,通过理论计算得出盾构脱困所需的最小 总推力,分析了刀盘、前中盾以及尾盾的被困因素,提出了该项目特殊地质条件下依据盾构机自身能力脱困的技术 措施.建立了脱困操作流程及脱困判定标准并成功实施达到了安全可靠又不伤害设备的脱困目的. [关键词]隧道工程;盾构;地层加固;脱困:辅助措施 [中图分类号]U455.43 [文献标识码]A [文章编号]1002-8498(2016)23-0062-05 Shield's Jamming Release Technology Under Special Geological Conditions Jia Lu.2.3 Wen Faqing Liu Shengyongt Pi Yinghai (1.School of Ciril Engineering Mechanics Huazhong Unirersity of Science Technology Wuhan Hubei 430074 China; 2.Nanjing Chixia Development Co.Ltd.Nanjing Jiangsu 210037 China;3.School of Ciuil Engineering and Architecture Nanchang Unirersity Nanchang Jiangxi 330031 China;4.China Railuay 18 Bureau Group Co. Lad.Tianjin 300222 China) Abstract:This paper is based on a shield construction project.With the result of the minimum total thrust needed to get rid of shield's jamming which is calculated by theory firstly it analyzes the trapped factor of cutter head and the front middle and end of the shield.Secondly the research puts forward a technical measure based on the ability to release these troubles which are applied under the special geological conditions of the project.The operating flow and judgement standard of shield's jamming release is established and implemente...
特殊地质条件下盾构机脱困技术研究.pdf
