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Experiment on Bond and Slip Constitutive Relation Between T-section Steel and Concrete(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2009年02期
Page:
46-51
Research Field:
Publishing date:
2009-06-20

Info

Title:
Experiment on Bond and Slip Constitutive Relation Between T-section Steel and Concrete
Author(s):
LI Hong1;  MA Hong-bao2;  WU Tao1;  LIU Bo-quan1
1. School of Civil Engineering, Chang'an University, Xi'an 710061, Shaanxi, China; 2. Gansu Urban & Rural Planning and Design Institute, Lanzhou 730000, Gansu, China
Keywords:
steel reinforced concrete structure;  bond and slip;  constitutive relation;  push-out test;  bond strength;  transverse stirrup ratio
PACS:
TU392.1
DOI:
-
Abstract:
Considering the influences of three main factors including concrete strength, thicknesses of concrete cover as well as transverse stirrup ratios, the push-out tests of 8 specimens on the bond and slip behaviors between T-section steel and concrete were carried out to obtain the regularities of distribution of steel strain, bond strength and slip along the embedded position and bond and slip curves in different embedded positions. Synthetically considering the three factors, a set of calculative formulas of three characteristic bond strengths and three characteristic slippage values were presented by regression analysis, meanwhile, two position functions were introduced to build bond strength and slip constitutive relations. The experimental results show that the three main factors have obvious influence on bond strength.

References:

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Last Update: 2009-06-20