Results 191 to 200 of about 10,188 (227)
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Overlay for Concrete Segmental Box-Girder Bridges
Journal of Bridge Engineering, 2000Concrete overlay cracking and delamination were noticed on a concrete segmental box-girder bridge. Analytical investigation and field and laboratory examinations were conducted to identify the major factors causing the defects. The time-dependent stress distribution and its change in the overlay and along the interface between the overlay and the ...
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Cracking in a Curved, Reinforced Concrete Box Girder Bridge
Advances in Structural Engineering, 2002A study to monitor a multi-span reinforced concrete bridge was recently completed. The bridge is curved, with a non-prismatic three-cell box cross section. Extensive field testing was performed to evaluate the causes and effects of large shear cracks.
Yongda Fu, John T. DeWolf
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Analysis and Design of Prestressed Concrete Box Girder Bridge
2022AbstractBridge construction has now achieved global significance. In this evolution era, prestressed box girder bridge is becoming more and more popular the bridges as it has improved serviceability, aesthetic appearance, better stability, and also economical. It has also structural efficiency.
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Temperature and Stress Distributions in Concrete Box Girder Bridges
Journal of Structural Engineering, 1990Temperature distributions in concrete bridges are nonlinear and induce self‐equilibrated stress distributions. Such distributions depend on several variables (environmental conditions, physical and material properties, and location of bridge). On the other hand, temperature and stress distributions in concrete box girder bridges depend on the cross ...
Enrique Mirambell, Antonio Aguado
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Preliminary Design System for Concrete Box Girder Bridges
Journal of Computing in Civil Engineering, 2001A neural network-based design system is presented in this paper for preliminary design of concrete box girder bridges. The system is based on a loose coupling model that integrates the artificial neural network and the fuzzy network to perform the task of noisy data filtering, knowledge extraction, and candidate synthesis.
Zhiye Zhao, Wenwei He, Sau Cheong Fan
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Strengthening large concrete box-girder bridge on shear
IABSE Reports, 2010<p>In the Rijkswaterstaat Programme “Widening of the Roads”, the road capacity on the bridges across the Low-Rhine has to be increased. Because of the resulting increase on traffic loads the bridges had to be structural assessed. At the same time a large amount of diagonal cracks in the webs of the twin box-girders were discovered.
Rob Vergoossen +2 more
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Structural Redundancy of Prestressed Concrete Box Girder Bridges
Transportation Research Record: Journal of the Transportation Research Board, 2016Bridges are usually designed and evaluated on the basis of member strength and serviceability criteria; however, they are expected to have sufficient levels of reserve strength and multiple paths to resist collapse should any of their members get damaged or exceed their nominal strength capacity.
Jian Yang +3 more
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Folded plate action for concrete box girder bridges
IABSE Congress Reports, 2016<p>As already described in begin eighties in Structural Engineering Document 1 “Concrete Box-girder Bridges” [1] the Folded Plate Action of torsion stiff concrete box-girder bridges cannot be disregarded. But nowadays many designs are made by 3D Finite Element Analysis using 2D plate/shell elements, although the number of loading cases described ...
Rob Vergoossen +3 more
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Evaluation of a High Performance Concrete Box Girder Bridge
PCI Journal, 2000As part of the FHWA (Federal Highway Administration) High Performance Concrete Bridge Program, two full-scale truckload tests of Bridge GUE-22-6.57 were carried out. The main objectives of these tests were to investigate the static and dynamic response of the high performance concrete (HPC) structure.
Andreas Greuel +4 more
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Analyses of concrete bridge box girders
1993This work presents the parameter studies of one-cell free-support concrete box girders with a transverse diaphragms only above the supports. Some parameters have been varied such as: the girders span, the box width, the length of the side cantilevers and the thickness of the box webs.
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