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Live load distribution in integral bridge girders
Date
2010-07-15
Author
Erhan, S.
Dicleli, Murat
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In this study, live load distribution formulae for the girders of single-span integral abutment bridges (IABs) are developed. For this purpose, two and three dimensional finite element models (FEMs) of several IABs are built and analyzed. The analyses results are then used to development of live load distribution formulae to estimate the girder live load moments and exterior girder live load shear for IABs with prestressed concrete girders.
URI
https://hdl.handle.net/11511/52871
Conference Name
5th International Conference on Bridge Maintenance, Safety and Management (IABMAS)
Collections
Department of Engineering Sciences, Conference / Seminar
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Live Load Distribution Formulas for Single-Span Prestressed Concrete Integral Abutment Bridge Girders
Dicleli, Murat (American Society of Civil Engineers (ASCE), 2009-11-01)
In this study, live load distribution formulas for the girders of single-span integral abutment bridges (IABs) are developed. For this purpose, two and three dimensional finite-element models (FEMs) of several IABs are built and analyzed. In the analyses, the effects of various superstructure properties such as span length, number of design lanes, prestressed concrete girder size, and spacing as well as slab thickness are considered. The results from the analyses of two and three dimensional FEMs are then u...
Live load distribution equations for integral bridge substructures
Erhan, Semih; Dicleli, Murat (Elsevier BV, 2009-05-01)
In this study, live load distribution equations (LLDEs) for integral bridge (IB) substructures are developed. For this purpose, numerous 3-D and corresponding 2-D structural models of typical IBs are built and analyzed under AASHTO live load. In the analyses, the effect of various superstructure and substructure properties such as span length, girder spacing, girder stiffness, abutment height, pile size, pile spacing and foundation soil stiffness are considered. The results from the 2-D and 3-D analyses are...
Comparative Study on the Effect of Number of Girders on Live Load Distribution in Integral Abutment and Simply Supported Bridge Girders
Yalcin, O. Fatih; Dicleli, Murat (SAGE Publications, 2013-06-01)
In this study, the effect of the number of prestressed concrete girders on the distribution of live load effects among the girders of integral abutment bridges (IABs) and simply supported bridges (SSBs) is investigated. For this purpose, two and three dimensional finite element models (FEMs) of several single-span IABs and SSBs are built and analyzed. In the analyses, bridges with various superstructure properties, such as span length, girder type and size, slab thickness are considered. The finite element ...
Analytical formulation of maximum length limits of integral bridges on cohesive soils
Dicleli, Murat (Canadian Science Publishing, 2005-08-01)
This paper presents an analytical approach for predicting the length limits of integral bridges built on cohesive soils based on the flexural strength of the abutments and the low cycle fatigue performance of the steel H-piles at the abutments under cyclic thermal loading. First, H-piles that can accommodate large inelastic deformations are determined considering their local buckling instability. Then, a damage model is used to determine the maximum cyclic deformations that such piles can sustain. Next, non...
Distribution of live load effects in integral bridge abutments and piles
Dicleli, Murat (2010-07-15)
In this study, live load distribution equations (LLDEs) for integral bridge (IB) substructures are developed. For this purpose, numerous 3-D and corresponding 2-D structural models of typical IBs are built and analyzed under AASHTO live load. In the analyses, the effect of various superstructure and substructure properties such as span length, girder spacing, girder stiffness, abutment height, pile size, pile spacing and foundation soil stiffness are considered. The results from the 2-D and 3-D analyses are...
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S. Erhan and M. Dicleli, “Live load distribution in integral bridge girders,” presented at the 5th International Conference on Bridge Maintenance, Safety and Management (IABMAS), Lehigh Univ, Adv Technol Large Struct Syst (ATLSS) Engn Res Ctr, Philadelphia, PA, 2010, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/52871.
