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Effect of sand content on strength and pore structure of cement mortar

  • Cementitious materials
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Journal of Wuhan University of Technology-Mater. Sci. Ed. Aims and scope Submit manuscript

Abstract

The effects of four sand contents on the compressive, flexural and splitting-tensile strength of cement mortars were evaluated. Moreover, we experimentally investigated the pore structure of cement mortar brought about by changing the sand content and water/cement ratio. The changes in the pore structure were quantified by measuring the porosity and pore size distribution obtained by using mercury intrusion porosimetry (MIP) technique. The test results show that the strengths of cement mortar increase with increasing sand content. It is also suggested that the traditional water/cement ratio law can be applied to cement mortar with different sand contents, provided that a slight modification is introduced. Sand content is an important parameter influencing the pore structure of cement mortar. Moreover, there is a good relationship between the pore structure and strength of cement mortar.

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Authors and Affiliations

  1. College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, 210098, China

    Jingwu Bu  (卜静武) & Zhenghong Tian

  2. School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China

    Shiyu Zheng

  3. Sinohydrao Bureau Seventh Co. Ltd. Technology, Chengdu, 611134, China

    Zilong Tang

Authors
  1. Jingwu Bu  (卜静武)
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  2. Zhenghong Tian
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  3. Shiyu Zheng
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  4. Zilong Tang
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Correspondence to Jingwu Bu  (卜静武).

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Founded by the National Natural Science Foundation of China (Nos. 51279054 and 51279052)

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Bu, J., Tian, Z., Zheng, S. et al. Effect of sand content on strength and pore structure of cement mortar. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 32, 382–390 (2017). https://doi.org/10.1007/s11595-017-1607-9

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  • DOI: https://doi.org/10.1007/s11595-017-1607-9

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