Volume 24 Issue 2
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ZHENG Hong-yu, SU Yi-sheng. FINITE ELEMENT ANALYSIS ON CRACKS IN CAST-IN-SITU RC FLOOR SLABS OF MIXED STRUCTURE BUILDINGS[J]. Engineering Mechanics, 2007, 24(2): 120-125,.
Citation: ZHENG Hong-yu, SU Yi-sheng. FINITE ELEMENT ANALYSIS ON CRACKS IN CAST-IN-SITU RC FLOOR SLABS OF MIXED STRUCTURE BUILDINGS[J]. Engineering Mechanics, 2007, 24(2): 120-125,.
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FINITE ELEMENT ANALYSIS ON CRACKS IN CAST-IN-SITU RC FLOOR SLABS OF MIXED STRUCTURE BUILDINGS

  • (1. Civil Engineering College, Southeast University, Nanjing, Jiangsu 210096, China; 2. Civil Architecture and Engineering College, Guangxi University, Nanning, Guangxi 530004, China)

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
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  • Cracking is one of the problems encountered frequently in cast-in-situ RC (reinforced concrete) floor slabs of mixed structure buildings. Based on the investigation on several practical projects and model experiments, nonlinear finite element models of two structural types were created and analyzed. The analysis results included the distribution and development of concrete principal tensile stresses, strains, slab cracks and steel rebars’ stresses, agreeing satisfactorily with the experimental results. The research conclusions point out the main reasons and factors of slab cracking, the form and range of cracks, key measures for controlling slab cracking, and the proper distribution of steel rebars in slabs.
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