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泥水盾构长距离硬岩地层掘进刀盘大圆环耐磨问题研究 被引量:1

Study on the Wear Resistance Problem of Cutter Head and Large Ring in Long-Distance Hard Rock Formation Excavation of Slurry Shield
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摘要 为促进区域经济一体化,加强城市间资源配置和产业合作,经济相对发达的华南地区大直径、长距离的城际铁路建设逐渐增多。以穗莞深城际机前段长距离跨海隧道项目为例,工程地质以全断面硬岩为主,且类似可借鉴项目较少。基于此本文针对大直径泥水盾构在长距离硬岩地层掘进施工中刀盘大圆环磨损问题,分析磨损形成机理,并提出处置方案及预控措施,旨在为越来越多的类似城际铁路大断面长距离硬岩盾构隧道施工提供技术参考。 In order to promote regional economic integration and strengthen inter-city resource allocation and industrial cooperation,the construction of large-diameter and long-distance intercity railways in the relatively economically developed South China region is gradually increasing.Taking the long-distance cross-sea tunnel project in the machine front section of the Guangzhou-Dongguan-Shenzhen intercity railway as an example,the engineering geology is dominated by full-section hard rock,and there are few similar projects that can be used for reference.Based on this,the paper focuses on the wear problem of cutter head and large ring in long-distance hard rock formation excavation of large diameter slurry shield,analyzes the wear formation mechanism,and puts forward the disposal scheme and pre-control measures,aiming to provide a technical reference for the construction of more and more long-distance hard rock shield tunnels with large-section of similar intercity railways.
作者 王思发 冯国伟 耿传政 车鑫 WANG Sifa;FENG Guowei;GENG Chuanzheng;CHE Xin(China Railway 14th Bureau Group Co.Ltd.,Jinan Shandong 250000,China)
出处 《铁道建筑技术》 2024年第4期23-25,50,共4页 Railway Construction Technology
基金 中国铁建股份有限公司科技研发计划项目(2022-C11)。
关键词 泥水盾构 长距离全断面硬岩 刀盘大圆环磨损机理 处置方案 预控措施 slurry shield long-distance full-section hard rock wear mechanism of cutter head and large ring disposal scheme pre-control measures
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