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SHENG Yan-ping, CHEN Shuan-fa, ZHENG Mu-lian, ZHANG Deng-liang. Mix design method of porous concrete with non-vibration molding[J]. Journal of Traffic and Transportation Engineering, 2009, 9(1): 44-49. doi: 10.19818/j.cnki.1671-1637.2009.01.010
Citation: SHENG Yan-ping, CHEN Shuan-fa, ZHENG Mu-lian, ZHANG Deng-liang. Mix design method of porous concrete with non-vibration molding[J]. Journal of Traffic and Transportation Engineering, 2009, 9(1): 44-49. doi: 10.19818/j.cnki.1671-1637.2009.01.010
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Mix design method of porous concrete with non-vibration molding

doi: 10.19818/j.cnki.1671-1637.2009.01.010

  • Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China

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    Abstract
  • In order to ensure the smoothness of porous permeable concrete base, volume method was used for the mix design of non-vibration porous permeable concrete base, mix proportion parameters, dilution coefficience, reasonable water cement ratio and water consumption were calculated, the evaluating method and index for the workability of non-vibration porous permeable concrete base were given, such as margin cement mortars method and margin cement mortars ratio. Through orthogonality design, the regression equation of margin cement mortars ratio and the relationship between 7 d compression strength and effective porosity were obtained, and the mix design method of porous concrete with non-vibration molding was indicated on the basis of empirical formulas. Analysis result shows that the mixture designed by the method can satisfy the design standard that 7 d compression strength is 3~5 MPa for heavy traffic and 5~8 MPa for special heavy traffic, effective porosity is 20%30%, so the design method is feasible. 10 tAbs, 13 refs.

     

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    • References(13)
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