大直径预应力高强度混凝土管桩在黄泛区高速公路桥梁基础中的设计与应用研究  

Design and application of large diameter prestressed high strength concrete pipe pile in highway bridge foundation in Yellow River flood area

作　　者：李文学 孙伟荣 郭来栋 LI Wenxue;SUN Weirong;GUO Laidong(Yantai Laiyang Highway Construction Maintenance Center,Shandong Yantai 265200China;Shandong Provincial Communications Planning and Design Institute Group Co.,Ltd,Shandong Jinan 250101 China)

机构地区：[1]烟台市莱阳公路建设养护中心,山东烟台265200 [2]山东省交通规划设计院集团有限公司,山东济南250101

出　　处：《山东交通科技》2024年第4期142-144,152,共4页

摘　　要：预应力混凝土管桩具有单桩承载能力高、抗弯性能好、施工方便快捷、工程造价较低等优点。介绍了大直径高强度预应力混凝土管桩在黄泛区高速公路桥梁基础中的设计与应用实例,通过开展静载试验确定管桩单桩承载能力,并依据试验结果和相关规范标准制定详细的施工流程,为大直径预应力混凝土管桩在黄泛区高速公路桥梁基础中的应用提供指导与参考。Prestressed concrete pipe pile has the advantages of high bearing capacity of single pile,good bending resistance,convenient and quick construction,low project cost and so on.This paper introduces the design and application examples of large-diameter high-strength prestressed concrete pipe piles in the highway bridge foundation in the Yellow River flood area.The bearing capacity of single pipe pile is determined by carrying out static load test,and the detailed construction process is formulated according to the test results and relevant specifications and standards,which provides guidance and reference for the application of large-diameter prestressed high strength concrete pipe piles in the highway bridge foundation in the Yellow River flood area.

关 键 词：公路桥梁 基础设计 静载试验 预应力管桩 

分 类 号：U443.1[建筑科学—桥梁与隧道工程]