上杭南门大桥基础形式的比选  

Comparison and Selection of the Foundation Type of Nanmen Bridge in Shanghang County

作　　者：李照明[1] 马利君[1] 李盼到[1] 

机构地区：[1]北京市市政工程设计研究总院,100082

出　　处：《特种结构》2010年第4期11-13,共3页Special Structures

摘　　要：上杭南门大桥主桥采用中承式混凝土拱,为有推力结构。大桥的基础设计,对结构安全及大桥经济性影响较大,本文通过对直桩及斜桩基础在受力、施工、经济性方面的综合比较,证明了挖孔斜桩基础的可行性及优越性。The main bridge of Nanmen Bridge in Shanghang County is a half-through concrete arch bridge. It is a thrust structure. The design of foundation has great influence on structural safety and economy of bridge. It is proved that inclined digging pile is feasible and superior by comprehensive comparison of force, construction and economy with vertical pile.

关 键 词：中承式 混凝土拱桥 直桩 挖孔斜桩 施工安全及经济性 

分 类 号：U443.1[建筑科学—桥梁与隧道工程]