Hybrid knowledge expert tool for load capacity assessment of railway plate girders with defects

The paper is concerned with ultimate load behavior of steel–concrete composite plate girders subjected to combined action of shear and bending. An analytical method is presented to predict the interactive response of the girder. The method considers the tension field action in the plate girder web panel and shear failure of concrete slab. The method is approximate and can be applied to composite plate girders at the preliminary stages of design. Strength of composite plate girders is investigated by varying the moment/shear ratio. It is shown that ultimate load capacity of composite plate girder is influenced by moment/shear ratio. The predicted results are compared with the corresponding finite-element values.

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AN APPROXIMATE METHOD FOR THE ULTIMATE SHEAR STRENGTH OF HORIZONTALLY CURVED COMPOSITE PLATE GIRDERS

Journal of Civil Engineering and Management ◽

10.3846/13923730.2013.801913 ◽

2014 ◽

Vol 20 (3) ◽

pp. 330-337 ◽

Cited By ~ 2

Author(s):

Nandivaram E. Shanmugam ◽

Mohammed A. Basher ◽

Khalim A. Rashid

Keyword(s):

Shear Strength ◽

Approximate Method ◽

Composite Plate ◽

Concrete Slab ◽

Load Capacity ◽

Ultimate Shear Strength ◽

Reinforced Concrete Slab ◽

Web Openings ◽

Plate Girders ◽

Horizontally Curved

The paper is concerned with the ultimate load capacity of horizontally curved composite plate girders. An approximate method to predict the ultimate shear strength of the girders is presented. The proposed method accounts for the tension field action in web panels, composite action between steel plate girder and reinforced concrete slab with full interaction and presence of web openings. The accuracy of the method is assessed by comparing the predicted values of ultimate shear strength with the corresponding results obtained by using the nonlinear finite element analyses through a computer package LUSAS. The comparisons show that the proposed method is capable of predicting the ultimate shear strength with an acceptable accuracy. Presence of web openings of different proportions and their effects on ultimate strength of the girders are examined. Girders with trapezoidally corrugated webs are also considered in the study.

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ULTIMATE LOAD CAPACITY OF PLATE GIRDERS WITH WEBS CONTAINING CIRCULAR CUT-OUTS.

Proceedings of the Institution of Civil Engineers ◽

10.1680/iicep.1981.1822 ◽

1981 ◽

Vol 71 (3) ◽

pp. 845-862 ◽

Cited By ~ 28

Author(s):

R NARAYANAN ◽

KC ROCKEY

Keyword(s):

Ultimate Load ◽

Load Capacity ◽

Ultimate Load Capacity ◽

Plate Girders

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Reserves in load capacity assessment of existing bridges

IOP Conference Series Materials Science and Engineering ◽

10.1088/1757-899x/236/1/012061 ◽

2017 ◽

Vol 236 ◽

pp. 012061

Author(s):

Jan Žitný ◽

Pavel Ryjáček

Keyword(s):

Load Capacity ◽

Capacity Assessment ◽

Existing Bridges

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Experimentally Validated Nonlinear Analysis of Bridge Plate Girders with Deformations

Studia Geotechnica et Mechanica ◽

10.1515/sgem-2015-0033 ◽

2015 ◽

Vol 37 (3) ◽

pp. 53-61 ◽

Cited By ~ 2

Author(s):

Mieszko Kużawa ◽

Jan Bień

Keyword(s):

Nonlinear Analysis ◽

Load Capacity ◽

Shear Capacity ◽

Shear Load ◽

Structural Behaviour ◽

Plate Girders ◽

Bridge Plate ◽

Experimental Laboratory ◽

The University

Abstract Comprehensive methodology of numerical nonlinear analysis of the consecutive phases in the structural behaviour of bridge plate girders with deformations is presented. The analysis concerns all stages of structure loading until failure and especially determination of the ultimate shear load capacity. Verification and validation of the numerical procedures proposed is based on comparison of the calculated results with effects of experimental laboratory shear capacity tests of plate girders carried out at the University of Ljubljana.

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