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Chapter 1: Bridges – Actions and load combinations I-1 BRIDGES – ACTIONS AND LOAD COMBINATIONS Pietro CROCE, Luca SANPAOLESI Department of Structural Engineering, University of Pisa 1 FOREWORD During the past years, traffic load models adopted in codes of practice for designing bridge structures have noticeably evolved.
The primary function of a bridge deck is to support the vehicular vertical loads and distribute these loads to the steel superstructure. This chapter provides practical information regarding the decking options and design considerations for steel bridges, presenting deck types such as concrete deck slabs,
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This chapter provides a general description of the various concrete deck types, a discussion of the basic structural behavior of concrete decks, and an overview of major design and detailing considerations. Finally, a design example for a reinforced concrete bridge deck is provided.
Calculate the internal forces and moments according to Eurocode’s principles. By modelling the bridge deck (geometry and stiffness to represent its actual behaviour in the best way) And by applying the load cases. Section and member analysis. Stress limitations at ULS and SLS.
This module provides practical information regarding the decking options and design considerations for steel bridges, presenting deck types such as concrete deck slabs, metal grid decks, orthotropic steel decks, wood decks, and several others.
•Utilizing existing two prototype bridge models (longitudinal Case C with 2 spans), run refined analysis for both small and large box girder bridges. •Focus on HL-93 and P15 loading (tire pressure of 125 psi/no deck cross slope). •Capture the average shear stress within deck thickness.
