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Top-lateral bracing systems for trapezoidal steel box …
https://rosap.ntl.bts.gov/view/dot/31885
Top-Lateral Bracing Systems for Trapezoidal Steel Box …
https://trid.trb.org/view/1455553
Top-lateral bracing systems are used to provide both strength and stiffness during construction. A method for the design of top-lateral bracing systems was developed through field and laboratory experiments conducted on full-scale trapezoidal steel box-girders. The top-lateral bracing systems investigated included traditional single-diagonal truss systems and stay-in …
Top-lateral bracing systems for trapezoidal steel box …
https://www.researchgate.net/publication/35467905_Top-lateral_bracing_systems_for_trapezoidal_steel_box-girder_bridges_electronic_resource
Download Citation | Top-lateral bracing systems for trapezoidal steel box-girder bridges [electronic resource] / | Thesis (Ph. D.)--University of Texas …
Topology Optimization of Top Lateral Bracing for Steel …
https://www.aisc.org/education/continuingeducation/education-archives/topology-optimization-of-top-lateral-bracing-for-steel-tub-girder-systems-using-genetic-algorithm/
Topology Optimization of Top Lateral Bracing for Steel Tub Girder Systems Using Genetic Algorithm. The use of steel trapezoidal box girder systems has gained increasing popularity in bridge applications as they feature high torsional stiffness and are aesthetically appealing. However, during the concrete deck pour, the top flanges are in compression and the …
Design Guidelines for Steel Trapezoidal Box Girder …
https://ctr.utexas.edu/wp-content/uploads/pubs/0_4307_1.pdf
During construction, a steel box with the top flange lateral truss is often referred to as a quasi-closed box since the primary purpose of the top truss is to simulate the stiffness of a closed box system. Even in straight girder systems with little or no torsional load, the top flange truss is required for girder stability during construction.
Technical Report Documentation Page 1. Report No.
http://ctr.utexas.edu/wp-content/uploads/pubs/0_1898_4.pdf
A method for the design of top-lateral bracing systems was developed through field and laboratory experiments conducted on full-scale trapezoidal steel box-girders. The top-lateral bracing systems investigated included traditional single-diagonal truss systems and stay-in-place metal deck forms used during deck casting.
Evaluation of Top Flange Bracing Systems for Curved Box …
https://ascelibrary.org/doi/abs/10.1061/(ASCE)1084-0702(2005)10:6(693)
Abstract. In recent years, steel trapezoidal box girders for curved highway interchanges have become popular. For these bridge systems, significant steel girder cross-sectional stresses occur during the concrete casting sequence. To help resist construction loads, a lateral truss system is installed at a level close to the top flanges to form a “pseudo-closed” …
Topology optimization of top lateral bracing for steel …
https://www.aisc.org/globalassets/continuing-education/ssrc-proceedings/2019/han_and_wang_ssrc_2019.pdf
Topology optimization of top lateral bracing for steel tub girder systems using genetic algorithm Liwei Han1, Yang Wang2 Abstract The use of Steel trapezoidal box girder systems has gained increasing popularity in bridge applications as they feature high torsional stiffness and are aesthetically appealing. However,
Evaluation of Top Flange Bracing Systems for Curved Box …
https://ascelibrary.org/doi/full/10.1061/%28ASCE%291084-0702%282005%2910%3A6%28693%29
For these bridge systems, significant steel girder cross-sectional stresses occur during the concrete casting sequence. To help resist construction loads, a lateral truss system is installed at a level close to the top flanges to form a “pseudo-closed” section, which has a higher torsional stiffness than an open U-section.
Box girder bridges - Steel Construction
https://www.steelconstruction.info/Box_girder_bridges
Box girder bridges. Steel box girders and steel and concrete composite box girders are used for long spans, where the self weight of the bridge needs to be minimized, and for situations where their excellent high torsional stiffness is of particular benefit. The clean lines of box girders bridges, usually with no visible external stiffening, is generally considered to give a excellent …
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