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Engineering Properties of Self-Consolidating Lightweight Aggregate Concrete and Its Application in Prestressed Concrete Members

Author

Listed:
  • How-Ji Chen

    (Department of Civil Engineering, National Chung-Hsing University, No. 250, Kuo Kuang Road, Taichung 402, Taiwan)

  • Kuo-Cheng Wu

    (Department of Civil Engineering, National Chung-Hsing University, No. 250, Kuo Kuang Road, Taichung 402, Taiwan)

  • Chao-Wei Tang

    (Department of Civil Engineering & Geomatics, Cheng Shiu University, No. 840, Chengcing Rd., Niaosong District, Kaohsiung 83347, Taiwan)

  • Chung-Ho Huang

    (Department of Civil Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan)

Abstract

Self-consolidating lightweight aggregate concrete (SCLC) is a highly flowable and lightweight concrete. In this study, the properties of SCLC and prestressed SCLC members were tested and compared with those made of normal-weight self-consolidating concrete (SCC). The test results show that SCLC can be used for prestressed concrete members. The use of lightweight aggregates with a particle density larger than 1100 kg/m 3 can avoid the serious segregation of fresh concrete. In addition, the SCLC designed in this study can meet most of the SCC Rank 2 test standards, except for the V-funnel test. The water contained in the lightweight aggregates supplied sustained curing, so the level of drying shrinkage of the SCLC was lower than that of the conventional SCC. However, the level of creep of the SCLC was higher than that of the conventional SCC, because normal-weight aggregates are more able to inhibit the change of the concrete’s volume. On-site test results show that after 180 days of prestressing, the prestress loss was about 5.35–6.83% for the full-size SCLC members, which was smaller than that for the conventional SCC members (about 8.19–9.06% loss).

Suggested Citation

  • How-Ji Chen & Kuo-Cheng Wu & Chao-Wei Tang & Chung-Ho Huang, 2018. "Engineering Properties of Self-Consolidating Lightweight Aggregate Concrete and Its Application in Prestressed Concrete Members," Sustainability, MDPI, vol. 10(1), pages 1-13, January.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:1:p:142-:d:125985
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    Citations

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    Cited by:

    1. Xingyu Song & Yan Liu & Xiaodong Fu & Hongwei Ma & Xiaolun Hu, 2022. "Experimental Study on Flexural Behaviour of Prestressed Specified Density Concrete Composite Beams," Sustainability, MDPI, vol. 14(22), pages 1-14, November.
    2. Ahmed M. Ebid & Ahmed Farouk Deifalla & Hisham A. Mahdi, 2022. "Evaluating Shear Strength of Light-Weight and Normal-Weight Concretes through Artificial Intelligence," Sustainability, MDPI, vol. 14(21), pages 1-49, October.

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