庆章高速公路小清河大桥总体设计  

Overall design of Xiaoqinghe bridge on Qingzhang Expressway

作　　者：朱保华 孙晓珍[2] Zhu Baohua;Sun Xiaozhen(Shandong Provincial Communications Planning and Design Institute Group Co.,Ltd.,Jinan Shandong 250101,China;Shandong Urban Construction Vocational College,Jinan Shandong 250103,China)

机构地区：[1]山东省交通规划设计院有限集团公司,山东济南250101 [2]山东城市建设职业学院,山东济南250103

出　　处：《山西建筑》2025年第7期138-141,共4页Shanxi Architecture

摘　　要：结合地理位置、建设条件等因素,庆章高速公路小清河大桥设计主桥采用(75+130+75)m预应力混凝土悬浇箱梁,北大堤桥采用48 m钢混组合梁,南大堤桥采用40 m装配式预应力混凝土小箱梁。根据项目特点对桥梁总体布置进行了总结,并对主桥及引桥结构设计进行了论述,可为此类桥梁设计提供借鉴经验和设计思路。Combined with various factors of geographical location and construction conditions,the main bridge design of Xiaoqinghe Bridge on Qingzhang Expressway adopts a 75 m+130 m+75 m pre-stressed concrete cantilever box girder,the northern embankment bridge adopts 48 m steel-concrete composite beam,and the southern embankment bridge adopts 40 m prefabricated prestressed concrete small box girder.Based on the characteristics of the project,the general layout of the bridge was summarized,and the structural design of the main bridge and approach bridge was discussed.This can provide reference experience and design ideas for the design of such bridges.

关 键 词：结构设计 预应力混凝土悬浇箱梁 钢-混组合梁 

分 类 号：TU997[建筑科学—市政工程] U442.5[建筑科学—桥梁与隧道工程]