九江大桥水下桩基防护工程钻孔灌注桩质量管控方法分析  

Analysis on Bored Pile Quality Control Methods in Underwater Pile Foundation Protection Engineering of Jiujiang Bridge

作　　者：刘锋 LIU Feng(Guangdong Zhongjiao Zongheng Construction Consulting Co.,Ltd.,Foshan 528200,Guangdong,China)

机构地区：[1]广东中交纵横建设咨询有限公司,广东佛山528200

出　　处：《工程技术研究》2023年第21期144-146,共3页Engineering and Technological Research

摘　　要：水流与水位等因素会影响钻孔灌注桩施工质量,文章以提升钻孔灌注桩施工质量为目的,研究九江大桥水下桩基防护工程钻孔灌注桩质量管控方法,对原材料控制措施、桩身成孔垂直度控制措施、避免断桩与堵管等现象出现的控制措施、避免漏浆与塌孔事故出现的控制措施、孔底沉渣的控制措施进行了详细分析。Factors such as water flow and water level will affect the construction quality of bored piles.In order to improve the construction quality of bored piles,this paper studies the quality control methods of bored piles in the underwater pile foundation protection engineering of Jiujiang Bridge.The control measures of raw materials,the control measures of verticality of pile hole formation,the control measures to avoid the phenomenon of pile breaking and pipe plugging,the control measures to avoid slurry leakage and hole collapse accidents,and the control measures of hole bottom sediment are analyzed in detail.

关 键 词：九江大桥 水下桩基 防护工程 钻孔灌注桩 质量管控 

分 类 号：U445[建筑科学—桥梁与隧道工程]