复杂多变流域公轨两用桥深水高强度裸岩钻孔灌注桩施工技术

High-strength bare rock bored pile Construction Technology for Complex Multi-variable Watershed Public Rail Dual-purpose on Deep water

以道庆洲大桥南接线桩基为背景,该处桩位处深水、流急,水下直接进入高强度基岩,无覆盖层,给施工带来很大的不便,本文重点介绍如何快速完成深水高强度裸岩桩基施工工艺,工程实践证明此方案适用,快速、经济、质量可靠,为桥梁深水裸岩桩基施工提供了借鉴。

Taking the southern wiring pile foundation of Daoqingzhou Bridge as the background,of which the pile is located in deep water and rapid flow,and directly enters the high-strength bedrock under water without cover layer,which brings great inconvenience to the construction,this paper focuses on how to complete quickly.The construction technology of deep-water high-strength bare rock pile foundation proves that this scheme is applicable,fast,economical and reliable in quality,which provides a reference for the construction of bridge deep-water bare rock pile foundation.