Investigation of U-bar joints between precast bridge decks loaded in combined bending and shear

被引：31
|
作者：
Di, Jin [1 ]
Han, Bin [1 ]
Qin, Fengjiang [1 ]
机构：
[1] Chongqing Univ, Sch Civil Engn, Key Lab New Technol Construct Cities Mt Area, Chongqing 400030, Peoples R China
来源：
STRUCTURES | 2020年 / 27卷
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Bridge engineering; U-bar connection; T-shaped joint; Combined bending-shear load; Bearing capacity formula; DETAILS;
D O I：
10.1016/j.istruc.2020.05.041
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This study proposes two types of U-bar joints: rectangular joints with stainless steel ties and T-shaped joints. The mechanical properties of four joint specimens subjected to combined bending and shear forces were studied experimentally and numerically. The T-shaped joint details effectively increased the cracking load and controlled the development of interface cracks. The bearing capacity of the four joint details were similar. Furthermore, a formula to estimate the bearing capacities of the T-shaped U-bar lap joint specimen is proposed, and its accuracy is verified.
引用
收藏
页码：37 / 45
页数：9
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