Performance of Skewed Reinforcing in Inverted-T Bridge Caps [Project Summary Report]

Mo, Y.L.; Joshi, Bhagirath; Ramaswamy, Nagesh; Shrestha, Priyanka; Wang, Jiaji; Shan, Xiaonan; Hsu, Thomas T.C.; University of Houston. Department of Civil and Environmental Engineering

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Performance of Skewed Reinforcing in Inverted-T Bridge Caps [Project Summary Report]

2023-08-31
By Mo, Y.L. ; Joshi, Bhagirath ; Ramaswamy, Nagesh ; ...

English

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Details:

Creators:

Mo, Y.L. ; Joshi, Bhagirath ; Ramaswamy, Nagesh ; Shrestha, Priyanka ; Wang, Jiaji ; ... More +

Mo, Y.L. ; Joshi, Bhagirath ; Ramaswamy, Nagesh ; Shrestha, Priyanka ; Wang, Jiaji ; Shan, Xiaonan ; Hsu, Thomas T.C. Less -
Corporate Creators:

University of Houston. Department of Civil and Environmental Engineering
Corporate Contributors:

Texas. Dept. of Transportation. Research and Technology Implementation Office ; United States. Department of Transportation. Federal Highway Administration

Texas. Dept. of Transportation. Research and Technology Implementation Office ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Bridge Construction Bridge Design Bridges Finite Element Method Load Tests Mechanical Failure Reinforced Concrete Bridges Shear Reinforcement Skew Bridges
Publication/ Report Number:

0-6905-01
Resource Type:

Brief
Geographical Coverage:

Texas ; United States

Texas ; United States Less -
Edition:

Project Summary Report
Corporate Publisher:

Texas. Department of Transportation
Abstract:

In this research, two significant ITBCs are selected to investigate the structural performance of skew reinforcing. The global models for ITBC 2 (skew angle 430) and ITBC 7 (skew angle 330) are established with four columns, I-girders in the forward and backward span, and a deck. Each ITBC is simulated in 15 cases of Static Test-1. Further, two critical cases of Static Test-1 were simulated in five positions in Static Test-2. The nonlinear finite element (FE) simulations of 50 full-scale bent caps are performed to identify sensor installation locations and critical cases for load tests. Each bent cap was tested in Static Test-1, Static Test-2, Dynamic Test-1, and one case of Dynamic Test-2 (see Figure 1). The experimental investigation on the ITBC focused on (1) skew angle, (2) skew reinforcing of transverse rebars, (3) location of exterior loading pads, and (4) loading cases. The parametric study is conducted to further investigate the effects of the skew angle and the location of exterior loading pads on the ITBC. The parametric study examined the strain on transverse rebars, torsional effects, higher-end face displacements, and magnified compressive stress on the exterior loading pads of ITBC.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha-512:4cb91b583b1b17d386cbbb697304be9f1a76df8f87985178b2c82d6fea6b2627a4a78e9cb7a6cd321a47d7460a40d3e3135dd7ca1bb2ae99621009b65ac7f74c
Download URL:

https://rosap.ntl.bts.gov/view/dot/79724/dot_79724_DS1.pdf
File Type:

[PDF-288.19 KB]