
6月2日,由中铁北京工程局施工的贵阳轨道交通3号线一期工程农学院站~花溪公园站盾构区间右线顺利贯通。
该区间盾构机于2020年8月3日自农学院站正式始发,采用HSP超前地质预报及地质雷达扫描等先进技术,先后克服了浅埋深穿越建构筑物、硬岩地层长距离穿越建构筑物群及河流等诸多问题。
农~花区间全长1669.67米,隧道最大纵坡为27.526‰,平面最小曲线半径为550米,隧顶埋深9.62~20.02米,区间设2座联络通道。沿清溪路向南敷设,先后下穿花溪功效联社、新华园小区、邮政培训中心、地下商场等房屋及花溪河重要地段,最终到达花溪公园站。
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