紧邻110kV高压线盾构接收及拆解关键技术研究  

Research on the Key Technology of Shield Receiving and Disassembling Near 110kV High Voltage Line

作　　者：彭刚 PENG Gang(China Railway 11th Bureau Group City Rail Engineering Co.Ltd.,Wuhan Hubei 430074,China)

机构地区：[1]中铁十一局集团城市轨道工程有限公司,湖北武汉430074

出　　处：《铁道建筑技术》2024年第11期170-173,共4页Railway Construction Technology

基　　金：中铁十一局集团城市轨道工程有限公司科技研发计划项目(2021-16)。

摘　　要：盾构施工过程中,若盾构接收井上方存在障碍物,会出现盾构机拆机后无法吊装等问题;以杭州地铁留祥路站接收井为背景,研究紧邻110kV高压线条件下盾构接收及拆解关键技术。结合现场实际情况,通过盾构接收吊装技术方案比选,拟定最优避障技术措施。超前设计优化盾构接收井结构及尺寸,接收井盾构吊装孔南移至高压线影响范围外,利用CAD模拟盾构机盾体平移路径,制定盾构机接收和平移方案。盾构机接收后,将后配套台车后撤至始发井吊出。通过油缸组件,将盾体和接收托架一起进行横向和纵向平移,并移动至南移后的吊装孔位置,然后进行盾体拆机吊装和运输。该技术的研究及应用,确保了施工安全和工期。In the process of shield construction,if there are obstacles above the shield receiving well,there may be issues such as the inability to lift the shield machine after disassembly;taking the receiving well of Liuxiang Road Station of Hangzhou Metro as the background,the key technologies of shield receiving and disassembling near 110 kV high voltage line were studied.Combined with the actual situation on site,through the scheme comparison of shield receiving and hoisting technology,the optimal obstacle avoidance technical measures were proposed.The structure and size of shield receiving well was optimized in advance design,moved the receiving well shield hoisting hole southward outside the influence range of the high voltage line,the translation path of shield was simulated by CAD,developed the receiving and moving technical scheme of shield machine.After receiving the shield machine,the supporting trolley of the shield machine was pulled back to the starting well to lift out.Through the cylinder assembly,the shield and the receiving bracket were translated laterally and longitudinally,and moved to the position of the lifting hole that had been moved south.Then the shield body of the shield machine was disassembled,hoisted and transported.The research and application of this technology ensured the construction safety and time limit.

关 键 词：高压线 盾构接收井结构优化 吊装孔南移 盾构接收 盾构拆解 盾体平移 

分 类 号：U455.43[建筑科学—桥梁与隧道工程]