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根据螺旋锚杆的结构、施工特点及其多点接触的作用机理,以西安地铁2号线TJSG-4标段基坑为背景,分析螺旋锚杆的支护效果和经济效益,探讨螺旋锚杆在地铁基坑中的应用,为西安地铁基坑的合理支护提供技术支持。
According to the structure and construction characteristics of screw anchor and the mechanism of multi-point contact, the supporting effect and economic benefit of screw anchor are analyzed with the foundation pit of TJSG-4 section of Xi’an Metro Line 2 as the background. The application of the foundation pit in the subway provides technical support for the reasonable support of the foundation pit in Xi’an Metro.