A review on design theory and mechanical performance of strain hardening cementitious composites (SHCC)

doi:10.19936/j.cnki.2096-8000.20230328.019

Abstract

Abstract: Different from normal concrete, strain hardening cementitious composites (SHCC) exhibits pseudo strain hardening behavior and multiple cracking characteristics under uniaxial tension force. Due to its high toughness and small cracking width, SHCC has become one of the most promising civil engineering materials. SHCC has been extensively studied in China, and achieved fruitful results, but there are also many topics existing to be further explored. This paper firstly elucidated the performance specification, bearing mechanism and design approach of SHCC. Studies have shown that microscopic mechanical parameters of material has significant effects on the macroscopic mechanical performance of SHCC. Then focusing on tensile behavior and other mechanical properties, this paper reviewed the research progress of SHCC in China. The results of the review indicated that fiber has a significant improvement on SHCC and verified the importance of the above-mentioned design theory in the design and manufacture of SHCC. Finally, this paper pointed out the existing topics and the future research direction of SHCC. It is hoped that this paper will contribute to a deeper understanding and aid in the further research of SHCC.

Key words: strain-hardening cementitious composites, performance specification, bearing mechanism, design approach, research status

CLC Number:

TB332

LENG Zan, XUE Xin. A review on design theory and mechanical performance of strain hardening cementitious composites (SHCC)[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(3): 120-132.

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