6月3日，中铁二局城通公司青岛地铁5-2-8标青医东院站-石老人浴场站区间右线顺利通过百环验收。
该区间段地层隧洞围岩破碎、稳定性差，存在大块岩体坍塌、卡机及涌水等风险。针对该构造破碎带，项目精心编制地面注浆专项施工方案，并严格按照方案要求，采用地面后退式注浆措施对该构造破碎带进行预处理，确保了TBM顺利掘进通过。过程中，项目管理人员与班组高度融合，不断革新班组“小发明”、“小创造”，尤其是班组提出的“管片三环拉结装置”，迅速扭转了始发段隧道管片错台较大的不利局面，推动后续成型隧道质量持续提升，管片无破损，且错台量最大值控制在5mm左右，为通过“百环验收”奠定了坚实基础。
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