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Paper Details

Paper Title
SHEAR LAG EFFECT IN MULTI-CELL BOX GIRDERS
Abstract
When the axial load is applied into a wide flange by shear from the webs the flange distorts in its plane and plane sections do not remain plane. The resulting stress distribution in the flange is not uniform. In very wide flanges, shear lag effects have to be taken into account for the verification of stresses, especially for short spans, since it causes the longitudinal stress at a flange-web intersection to exceed the mean stress in the flange.The distribution of bending stress in thin-walled box girder at any transverse section is non-uniform and in general at web-flange junction the stresses reach their maximum, decreasing towards the middle point of the top and bottom slabs and cantilever flanges. This phenomenon of shear lag is being investigated by carrying out parametric analysis of three-cell box girder. It has been investigated that the span and the cantilever flange of three-cell box girder plays an important role on shear lag effect and it has been observed that shear lag effect becomes more severe as span length becomes larger and deck width becomes wider for box girder with non-uniform thickness of deck.
Keyword
Shear lag; Box girder; Cantilever; Deck
Others Details
Paper Id : 43296
Author Name : Dr Rajesh Rele
Volume/Issue No : Volume 07 Issue 05
Page No : 1-9
DOI Number : DOI:10.21090/IJAERD.43296
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website : http://www.ijaerd.com/index.php
Impact Factor : 5.71, SJIF-2017
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406
Evden Eve Nakliyat