Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
RESTRAINT EFFECT OF CONCRETE FLOOR SLAB ON LATERAL-TORSIONAL BUCKLING BEHAVIOR OF H-SHAPED STEEL BEAM
Yuji KOETAKAHaruna IGAJun IYAMATakashi HASEGAWA
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2018 Volume 25 Issue 97 Pages 97_47-97_59

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Abstract

For examining lateral-torsional buckling behavior of H-shaped steel beam with concrete floor slab,numerical model with springs,which are considered with restraint effect by slab,on the beam upper flange is often used. This paper describes the restraint effect by slab on the beam,e.g.,torsional stiffness,lateral stiffness,maximum strength,and so on. First,loading test with slab-beam subassemblies was conducted to confirm the effects of some kinds of parameters on the stiffness and strength at the connection between beam upper flange and concrete slab. Second,prediction results by past researches and test results are compared,and in a part,new methods are proposed to enhance accuracy of prediction results.

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© 2018 Japanese Society of Steel Construction
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