Advances in concrete construction

  • 제17권6호
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  • Pages.311-317
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  • 2024
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  • 2287-5301(pISSN)
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  • 2287-531X(eISSN)
Techno-Press (테크노프레스)
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Study on the correlation analysis between compressive strength and rebound value of volcanic stone concrete

  • Zhiqiang Yi (China Aluminum Southwest Construction Investment Co., LTD) ;
  • Xiaomin Huang (School of Architectural Engineering, Kunming University of Science and Technology) ;
  • Haixin Xia (School of Architectural Engineering, Kunming University of Science and Technology) ;
  • Qing Shen (Yunnan Zhengfa Engineering Design Co., LTD) ;
  • Shufen Ning (Center for Yunnan Provincial Comprehensive Transportation Development) ;
  • Aihua Xu (Center for Yunnan Provincial Comprehensive Transportation Development)
  • 투고 : 2024.04.21
  • 심사 : 2024.09.13
  • 발행 : 2024.06.25
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초록

Currently, the existing local standards for the rebound method or industry standards recommended regression curves for the determination of the compressive strength of volcanic concrete often show significant errors, making it impossible to achieve the specified values, and thus failing to meet the acceptance criteria. This study conducts research and analysis on the correlation between compressive strength and rebound value of volcanic stone concrete. Through regression fitting and Pearson correlation coefficient analysis, it is found that there is a linear correlation between compressive strength and rebound value of volcanic stone concrete of different strength grades, and regression equations are obtained. According to the obtained regression equations to evaluate the volcanic concrete when the results obtained good, low error, for the corresponding specification modification put forward a guiding opinion, at the same time for the follow-up concrete related to the correlation between the compressive strength and rebound value of the correlation analysis provides guidance.

키워드

참고문헌

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