Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
ANALYTICAL STUDY ON LOCAL STRESS BEHAVIOR OF WELDED CONNECTION BETWEEN U-SHAPED RIB AND CROSSBEAM OF ORTHOTROPIC STEEL DECK USING WHOLE BRIDGE MODEL
Hideaki HARADAJun MURAKOSHIShuichi HIRANOTakeshi KINOMOTO
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2016 Volume 23 Issue 89 Pages 89_37-89_49

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Abstract

Fatigue Design Guideline for Steel Highway Bridges was issued in 2002. Requirements for standard structural details of orthotropic steel decks (OSDs) are specified to ensure the fatigue resistance. After identifying various types of fatigue cracks observed in existing OSDs, it is important to evaluate fatigue strength of present structural details and propose fatigue-resistant structural details with long-term performances. This paper discusses local stress behaviors at welded connections around cutouts between crossbeam and U-shaped rib. Analytical studies using a whole bridge model were conducted based on FEA. Effects of structural dimension of the OSDs to local stresses around the cutouts were clarified.

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© 2016 Japanese Society of Steel Construction
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