Experimental Test and Finite Element Analysis on a Concrete Box Girder of a Cable-Stayed Bridge with W-Shaped Prestressed Concrete Diagonal Braces
Abstract
:1. Introduction
2. Experimental Research
2.1. Project Overview
2.2. Test Model
2.3. Test Program
2.3.1. Test Setup
2.3.2. Loading Protocol
2.3.3. Instrument Layout
3. Test Results and Discussions
3.1. Deflection of the Girder
3.2. Strain Results
4. Finite Element Analysis
4.1. Numerical Model
4.2. Analysis Results
4.2.1. Comparison between Modelling and Test Results of the Deflection
4.2.2. Comparison of the Strains
4.3. Torsional Performance of the W-Shaped Web Box Girder
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Load Value | 34.2 kN | 40.2 kN | 43.2 kN | 46.2 kN | 49.2 kN | 52.2 kN | 55.2 kN | 57 kN |
---|---|---|---|---|---|---|---|---|
Point 1 | −0.06 | −0.12 | −0.15 | −0.18 | −0.2 | −0.23 | −0.26 | −0.28 |
Point 2 | −0.06 | −0.1 | −0.13 | −0.15 | −0.18 | −0.2 | −0.23 | −0.25 |
Point 3 | −0.06 | −0.11 | −0.13 | −0.16 | −0.18 | −0.2 | −0.23 | −0.25 |
Load Value | 34.2 kN | 40.2 kN | 43.2 kN | 46.2 kN | 49.2 kN | 52.2 kN | 55.2 kN | 57 kN |
---|---|---|---|---|---|---|---|---|
Point 1 | −0.03 | −0.07 | −0.09 | −0.11 | −0.14 | −0.15 | −0.17 | −0.18 |
Point 2 | −0.01 | −0.03 | −0.03 | −0.05 | −0.06 | −0.07 | −0.08 | −0.09 |
Point 3 | −0.01 | −0.03 | −0.04 | −0.05 | −0.05 | −0.06 | −0.07 | −0.08 |
Measuring | 34.2 kN | 40.2 kN | 43.2 kN | 46.2 kN | 49.2 kN | 52.2 kN | 55.2 kN | 57 kN |
---|---|---|---|---|---|---|---|---|
Points | ||||||||
3A-1 | 2 | 3 | 3 | 4 | 5 | 6 | 7 | 8 |
3A-8 | 2 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
3B-1 | 2 | 3 | 4 | 4 | 5 | 6 | 7 | 8 |
3B-8 | 2 | 3 | 4 | 5 | 5 | 6 | 7 | 8 |
Measuring | 34.2 kN | 40.2 kN | 43.2 kN | 46.2 kN | 49.2 kN | 52.2 kN | 55.2 kN | 57 kN |
---|---|---|---|---|---|---|---|---|
Points | ||||||||
3A-1 | 2 | 3 | 4 | 4 | 5 | 6 | 7 | 8 |
3A-8 | 2 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
3B-1 | −3 | −5 | −6 | −9 | −10 | −14 | −16 | −17 |
3B-8 | −2 | −4 | −6 | −7 | −7 | −8 | −8 | −9 |
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He, X.; Wang, Z.; Li, C.; Gao, C.; Liu, Y.; Li, C.; Liu, B. Experimental Test and Finite Element Analysis on a Concrete Box Girder of a Cable-Stayed Bridge with W-Shaped Prestressed Concrete Diagonal Braces. Buildings 2024, 14, 506. https://doi.org/10.3390/buildings14020506
He X, Wang Z, Li C, Gao C, Liu Y, Li C, Liu B. Experimental Test and Finite Element Analysis on a Concrete Box Girder of a Cable-Stayed Bridge with W-Shaped Prestressed Concrete Diagonal Braces. Buildings. 2024; 14(2):506. https://doi.org/10.3390/buildings14020506
Chicago/Turabian StyleHe, Xuhui, Zhiyu Wang, Chao Li, Ce Gao, Yongfeng Liu, Changpeng Li, and Bin Liu. 2024. "Experimental Test and Finite Element Analysis on a Concrete Box Girder of a Cable-Stayed Bridge with W-Shaped Prestressed Concrete Diagonal Braces" Buildings 14, no. 2: 506. https://doi.org/10.3390/buildings14020506