Application and Quality Control Points of the Squeezed Expansion Branch Pile in Double-layer Bridge Construction
周云华 ZHOU Yun-hua
（广东湾区交通建设投资有限公司，广州 511455）
（Guangdong Bay Area Transportation Construction Investment Co.，Ltd.，Guangzhou 511455，China）
摘要：本文结合狮子洋通道黄阁西互通主线桥实例，介绍了挤扩支盘桩在双层桥梁桩基础施工中的特点及其在桥梁工程中的优势和质量控制要点，并对实际施工过程中的关键质量控制措施进行了详细阐述，以保证后续施工现场控制的侧重点。
Abstract: This article combines the example of the Huangge West Interchange mainline bridge in the Lion Ocean Channel to introduce the characteristics of the squeezed expansion branch pile in the foundation construction of double-layer bridge, and its advantages and quality control points in bridge engineering are also introduced. It also elaborates on the key quality control measures in the process of actual construction to ensure the focus of the subsequent construction site control.
关键词：挤扩支盘桩；质量控制；双层桥梁
Key words: squeezed expansion branch pile；quality control；double-layer bridge
中图分类号：U445.55+1 文献标识码：A 文章编号：1006-4311（2024）28-060-03 doi:10.3969/j.issn.1006-4311.2024.28.018
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