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Volume 27 Issue 3
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Chinese Journal of High Pressure Physics  > 2013  >  27(3): 417-422.
LI Zhi-Wu, XU Jin-Yu, DAI Shuang-Tian, BAI Er-Lei, GAO Zhi-Gang. Experimental Study on Concrete Exposed to High Temperature under Impact Loading[J]. Chinese Journal of High Pressure Physics, 2013, 27(3): 417-422. doi: 10.11858/gywlxb.2013.03.016
Citation: LI Zhi-Wu, XU Jin-Yu, DAI Shuang-Tian, BAI Er-Lei, GAO Zhi-Gang. Experimental Study on Concrete Exposed to High Temperature under Impact Loading[J]. Chinese Journal of High Pressure Physics, 2013, 27(3): 417-422. doi: 10.11858/gywlxb.2013.03.016
shu

Experimental Study on Concrete Exposed to High Temperature under Impact Loading

doi: 10.11858/gywlxb.2013.03.016
  • 1.

    The Engineering Institute, Air Force Engineering University, Xi'an 710038, China;

  • 2.

    Department of Civil Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

  • 3.

    Chengdu Military Region Air Force Survey and Design Institute, Chengdu 610041, China

  • Received Date: 06 Jul 2011
  • Rev Recd Date: 11 Dec 2011
  • Issue Publish Date: 15 Jun 2013
    Abstract
  • Based on the traditional spilt Hopkinson pressure bar (SHPB) apparatus, a SHPB system for testing dynamic compressive properties of materials exposed to high temperature was established after adding a tubular electric furnace, and the dynamic compressive stress-strain curves of concrete at 200-800 ℃ were measured using the system. The results show that the SHPB experimental system can be used to test the dynamic properties of concrete exposed to high temperature; Dynamic compressive strength and critical strain of concrete at different temperatures increase with the rise of projectile velocity; Effects of high temperature on dynamic properties of concrete are remarkable: the critical strain increases with the temperature increasing, dynamic compressive strength increases firstly and then decreases slightly, and decreases rapidly after 600 ℃.

     

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    • References(19)
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