JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE)

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Durability study of PET-brick powder mortar

GE Zhi1, MENG Fanbo2, YUE Hongya1, HU Yizhang1   

  1. 1.School of Civil Engineering, Shandong University, Jinan 250061, Shandong, China;
    2.Shandong Experimental High School, Jinan 250000, Shandong, China
  • Received:2014-02-21 Online:2014-04-20 Published:2014-02-21

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Abstract: PET was used as binder to produce PET-brick powder mortar. The water absorption, sulfate resistance, and chloride penetration resistance of the mortar were investigated. The SEM test was performed to exam the microstructure. The test results showed that the absorption was 0.9％ after  7 days. After 20 cycles, the difference in compressive strength was only 1.83％ for samples in the sulfate solution and water. The sample had low chloride permeability with a test result of 48 C. The  test results showed that  the PET-brick powder mortar had high durability. The SEM results indicated that the mortar had uniform structure with very small amount of pores inside.

Key words: PET-brick powder mortar, water absorption rate, chloride permeability, sulfate resistance

CLC Number: 

  • TU528.41
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