
日前,西安地铁2号线二期1标北延段正阳大道站至北客站区间右线盾构机“超越2号”顺利始发。
正阳大道站至北客站站区间分为左线盾构隧道掘进施工区间和右线盾构隧道掘进施工区间。右线盾构隧道掘进施工区间全长1481.643米,盾构机侧穿居民楼、漕运明渠、文景山公园地下车库等建构筑物,隧道穿越地层有粉砂,中砂等。
为确保正北区间右线盾构顺利始发,中国水电三局项目部严格把控、完善盾构始发的准备条件,明确分工,责任到人,参照草滩北站至正阳大道站区间盾构隧道掘进成功经验,对盾构机刀盘、行泡沫注入等系统进行了改良,对各个风险点进行了周密分析和充分论证,加强施工地面监测,制定专项施工方案、应急预案、防洪防汛及地质灾害专项方案,配置充足的应急抢险设备、材料,为盾构隧道掘进施工安全质量奠定了坚实基础,用实际行动践行了初心使命、担当作为奋进的新时代精神。
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