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介绍舟山西堠门大桥北锚碇基坑大方量土石方预裂爆破开挖的施工工艺,并结合海洋特殊水文地质环境,采用防水帷幕和井点降水施工,保证了基坑的开挖质量。
This paper introduces the construction technology of earthwork pre-cracking blasting excavation of North Anchorage Foundation Pit of Zhoushan Xikangmen Bridge. Combined with the special hydrogeological environment of the sea, waterproof curtain and well point precipitation construction are adopted to ensure the excavation quality of foundation pit.