Study on Compressive Performance of Nacre-Inspired Masonry

JIANG Fangming, CHEN Jiaxin, LIU Haiping, YU Jiangtao

STRUCTURAL ENGINEERS ›› 2024, Vol. 40 ›› Issue (6) : 127-135.

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PDF(2356 KB)
STRUCTURAL ENGINEERS ›› 2024, Vol. 40 ›› Issue (6) : 127-135.
Experiment Study

Study on Compressive Performance of Nacre-Inspired Masonry

  • JIANG Fangming, CHEN Jiaxin, LIU Haiping, YU Jiangtao*
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Abstract

Based on the nacre toughing mechanisms, Engineered Cementitious Composites (ECC) were used as constructing mortar to improve the ductility and toughness of masonry structure. Five groups of masonry prisms with four types of bricks were carried out. The failure mode, stress-stain curve, ductility and toughness were comparably analyzed. The results demonstrated that the nacre-inspired masonry prisms had interface-slip and crack-deflection failure mode, which increased the ductility by a maximum of 10 times and the energy consumption capacity by a maximum of 77 times compared with conventional masonry. However, the brittle splitting failure occurred when ECC layer couldn’t provide sufficient confinement with the strength increease of brick layer. Based on the Digital Image Correlation (DIC) method,the collaborative work characteristics between brick and ECC lager was studied and the toughing mechanism was also discussed.

Key words

ECC / Nacre-inspired masonry structure / compressive performance / toughing masonry / interface-slip / DIC

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JIANG Fangming, CHEN Jiaxin, LIU Haiping, YU Jiangtao. Study on Compressive Performance of Nacre-Inspired Masonry. STRUCTURAL ENGINEERS. 2024, 40(6): 127-135

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