先边跨后中跨合龙连续刚构桥顶推力的确定

The confirmation closure jacking force of continuous rigid frame bridge with side span first and middle span later

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DOI 10.12208/j.jer.20250342
刊名
Journal of Engineering Research
年,卷(期) 2025, 4(7)
作者
作者单位

四川文理学院建筑工程学院 四川达州

摘要
以结构力学中最基本的力法为理论基础,推导了先边跨后中跨合龙时三跨连续刚构桥合龙顶推力的平面解析公式。结合具体桥梁工程案例,分析了该解析理论的工程适用性和可行性。
Abstract
Based on the fundamental force method in structural mechanics, planar analytical formulas for the jacking force during the closure of three-span continuous rigid frame bridges (with side spans closed prior to the midspan) are derived. Combined with specific bridge engineering cases, the applicability and feasibility of this analytical theory in practical engineering are analyzed.
关键词
连续刚构桥;合龙;顶推力;力法
KeyWord
Continuous rigid frame bridge; Closure; Jacking force; Force method
基金项目
页码 126-130
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黎志谋. 先边跨后中跨合龙连续刚构桥顶推力的确定 [J]. 工程学研究. 2025; 4; (7). 126 - 130.

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