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盾构法施工由于其自身局限性以及不同地层地质、水文情况影响,不可避免的要经常进行开仓换刀,以保证盾构机正常掘进。尤其在岩溶地层中,如何选择合适、有效的开仓方式,将极大的影响开仓成功的效率。文中结合具体工程实例,详细分析了在岩溶地层中如何选择填仓常压换刀方式进行开仓换刀并详细说明了具体的换刀流程,结果表明在岩溶地层中选择填仓方式进行换刀是可行的。
Shield construction due to its own limitations and different strata geological and hydrological conditions, will inevitably have to carry out open-end tool change to ensure the normal tunnel boring machine. Especially in the karst stratum, how to choose a suitable and effective method of opening a warehouse will greatly affect the efficiency of the successful opening. Based on the concrete engineering examples, this paper analyzes how to choose the atmospheric pressure tool changer in the karst stratum to carry out the open tool change and explain the specific tool change process in detail. The results show that the tool change is selected in the karst formation It works.