深水库区钻孔平台方案比选及成孔锚固施工技术研究  

作　　者：韦照鸿 

机构地区：[1]中交一公局厦门工程有限公司,福建厦门361021

出　　处：《科技创新与应用》2024年第33期169-172,共4页Technology Innovation and Application

摘　　要：结合温岭至常山公路遂昌湖山至黄沙腰段工程红星坪大桥施工条件,单桩独柱墩7 m×58 m跨径桥梁在深水库区、大落差、硬质裸岩地质条件下,从安全、工期、经济性和适用性方面选定施工便捷、安全可控且成本可控的固定平台+联络通道施工方法。同时介绍平台成孔锚固工艺,为类似工程提供借鉴。Combined with the construction conditions of Hongxingping Bridge in the Suichang Hushan to Huangshayao section of Wenling-Changshan Highway,the single-pile single-column pier 7 m×58 m span bridge is under the geological conditions of deep-water reservoir area,large drop,and hard bare rock.From the aspects of safety,construction period,economy and applicability,a fixed platform+communication channel construction method that is convenient,safe and controllable,and the platform hole-forming and anchoring technology is introduced to provide reference for similar projects.

关 键 词：超大直径 单桩独柱 深水裸岩 固定平台 成孔锚固 

分 类 号：U445[建筑科学—桥梁与隧道工程]