Impact of shear connectors on composite action in full-depth precast concrete bridge systems

被引：0
|
作者：
Hadeed, Reem S. [1 ,2 ]
Issa, Mohsen A. [3 ]
机构：
[1] Univ Illinois, Dept Civil Mat & Environm Engn, Chicago, IL 60607 USA
[2] Bowman Consulting Co, Reston, VA 20191 USA
[3] Univ Illinois, Dept Civil Mat & Environm Engn, Struct & Mat Engn, Chicago, IL USA
来源：
PCI JOURNAL | 2022年 / 67卷 / 03期
关键词：
BEAM188; CONTACT175; deflection; girder; post-tensioning; shear pocket; slippage; STRENGTH;
D O I：
10.15554/PCIJ67.3-03
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This theoretical research used the finite clement method to model full-depth precast concrete deck slabs. It examined the effects of pocket spacing and number of shear studs per pocket. Results indicated that horizontal shear strength increases with the number of pockets in both supported and continuous-span models. Load-deflection curves and slippage values were recorded and compared with experimental tests, continuing that pocket spacing is an important factor and that the number of studs and their configuration affects the load for slippage induction. The parametric study evaluated effects of shear connector sizes and various numbers of shear studs for distances of 24 and 48 in. (609.6 and 1219.2 mm) between shear pockets for simply supported bridges; however, there is a need for experimental evaluation of shear connector performance on design.
引用
收藏
页码：71 / 87
页数：17
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