吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (增刊2): 189-193.

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Theoretical and experimental research on oblique cross-section cracking resistance of wall-beam by concrete hollow block

TIAN Wei1,2, GUO Xue-dong1, YIN Xin-sheng2   

  1. 1. College of Transportation, Jilin University, Changchun 130022, China;
    2. College of Civil Engineering, Jilin Institution of Architecture and Civil Engineering, Changchun 130118, China
  • Received:2010-11-12 Online:2011-09-30 Published:2011-09-30

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Abstract:

Using the elastic mechanics theories,the stress performance of the wall-beam in elastic stage was analyzed to get a computing formula about oblique section crack resistance in the wall of the wall-beam.Wall-beam was made of small-sized hollow building blocks.The experiments of simple supported wall-beam and simple supported prestress wall-beam were performed.Through comparing theoretical value with experimental value,the results indicate that applying prestress in the wall can not only delay the development of the crack and improve the crack resisting capability but also expand the application of wall-beam.The research can provide a valuable guide for the construction.

Key words: engineering mechanics, wall-beam, crack resistance, pre-stress, small-sized hollow building blocks

CLC Number: 

  • TU378.8


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