浅谈土压平衡盾构机在富水砂卵石地质掘进的刀具配置 摘要：盾构机刀具是否合适应用工程的地质，将直接影响盾构机的刀盘的应用寿命、切削后果、出土状况、掘进速度和施工效力。成都位于四川盆地西部的岷江中游地段，境内海拔387-5364米，东界龙泉山脉，西靠邛崃山。其东部地区为典型的富水型砂卵石地层。成都地铁1号线某标段在盾构掘进过程中，平均换刀距离为147米，刀盘刀具磨损严重，导致换刀频繁。如何延长刀具使用寿命，减少换刀频率，降低风险？我们从成都地铁一号线、二号线盾构机掘进经验出发，概述围岩岩土层，分析了刀具机理及磨损原因，提出了盾构机在富水砂卵石地质掘进刀具的配置建议。
关键词：土压平衡盾构机富水砂卵石刀具配置
abstract: shield machine tool suitable application of engineering geology, will directly affect the life of the application of the shield machine cutterhead cutting consequences unearthed situation, driving speed and construction effectiveness. chengdu in western sichuan minjiang midstream lot, the territory of 387-5364 meters above sea level, the east sector longquan mountains, west qionglai mountain. its eastern region as a typical water-rich sand cobble ground. chengdu metro line 1 at one section of the shield tunneling process, average tool change distance of 147 meters, the cutterhead serious tool wear, leading to
浅谈土压平衡盾构机在富水砂卵石地质掘进的刀具配置 摘要：盾构机刀具是否合适应用工程的地质，将直接影响盾构机的刀盘的应用寿命、切削后果、出土状况、掘进速度和施工效力。成都位于四川盆地西部的岷江中游地段，境内海拔387-5364米，东界龙泉山脉，西靠邛崃山。其东部地区为典型的富水型砂卵石地层。成都地铁1号线某标段在盾构掘进过程中，平均换刀距离为147米，刀盘刀具磨损严重，导致换刀频繁。如何延长刀具使用寿命，减少换刀频率，降低风险？我们从成都地铁一号线、二号线盾构机掘进经验出发，概述围岩岩土层，分析了刀具机理及磨损原因，提出了盾构机在富水砂卵石地质掘进刀具的配置建议。
关键词：土压平衡盾构机富水砂卵石刀具配置
abstract: shield machine tool suitable application of engineering geology, will directly affect the life of the application of the shield machine cutterhead cutting consequences unearthed situation, driving speed and construction effectiveness. chengdu in western sichuan minjiang midstream lot, the territory of 387-5364 meters above sea level, the east sector longquan mountains, west qionglai mountain. its eastern region as a typical water-rich sand cobble ground. chengdu metro line 1 at one section of the shield tunneling process, average tool change distance of 147 meters, the cutterhead serious tool wear, leading to