塔柱锚固区环向预应力镦头锚施工技术 摘要:本文结合黄冈大桥塔柱锚固区环向预应力的施工实践, 对环向预应力 束施工中孔道定位安装,高强钢丝下料、穿束、镦头、张拉、锚固等关键施工技 术进行较详细的阐述。 关键词: 孔道定位 下料镦头张拉 锚固 Abstract: this paper huanggang bridge anchorage zone to ring pillar prestressed construction practice, ring prestressed construction to duct positioning installation, high strength steel wire filling, wear bunch, heading head, tension and anchoring key construction technology