Experimental investigation of G-HPC-based sandwich walls incorporated with metallic tube core under contact explosion

Yuan, Peng; Liu, Jian; Su, Yu; Li, Jun; Qu, Kefo; Liu, Cheng; Xu, Shenchun; Wu, Chengqing

doi:10.1007/s43452-022-00477-7

Archiv.Civ.Mech.Eng

2022

DOI: 10.1007/s43452-022-00477-7

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Experimental investigation of G-HPC-based sandwich walls incorporated with metallic tube core under contact explosion

Peng Yuan

Jian Liu²,

Yu Su³

et al.

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2024

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Cited by 3 publications

References 42 publications

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Multiple blast behavior of steel wire mesh reinforced geopolymer based high performance concrete (G‐HPC) slab: Experiment and numerical simulation

Yuan,

Xu,

Yang

et al. 2024

Structural Concrete

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Engineering structures face the potential of encountering repetitive or multiple blast loads stemming from accidental explosions and terrorist attacks. However, current research in this field is still relatively limited, and further investigation is needed to understand the damage mechanisms of structures under multiple explosions. Therefore, this study explores the blast resistance of G‐HPC slabs reinforced with steel wire mesh (SWM) under multiple blast loads. The failure modes of the SWM‐reinforced G‐HPC slab were experimentally studied under two consecutive explosions (with explosive equivalents of 1.6 and 3.2 kg, both at a standoff distance of 0.4 m). The results revealed that, after two consecutive explosions, the slab exhibited bulging with minimal concrete spalling, showcasing overall integrity. Subsequently, a numerical model was established, followed by a comprehensive parameter analysis. The parameter analysis investigated the effects of SWM diameters and grid size, the arrangement of SWM, and the sequence of TNT equivalents on the performance of the slab under three consecutive blast loads. The findings revealed that increasing the SWM diameter or reducing the grid size significantly enhanced the blast resistance of the slab under three consecutive explosive loads. Strategically arranging the SWM in the tensile zone reduced damage and deflection. Furthermore, the sequence of TNT equivalents had a notable impact on the damage and energy absorption of the slab.

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Multiple blast behavior of steel wire mesh reinforced geopolymer based high performance concrete (G‐HPC) slab: Experiment and numerical simulation

Yuan,

Xu,

Yang

et al. 2024

Structural Concrete

View full text Add to dashboard Cite

show abstract

Near-field multiple-blast resistance of G‑HPC sandwich walls incorporated with metallic tube core

Yuan,

Xu,

Yang

et al. 2024

Archiv.Civ.Mech.Eng

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Finite-element modeling for static bending and free vibration analyses of double-layer non-uniform thickness FG plates taking into account sliding interactions

Van,

Van Minh,

Duc

2024

Archiv.Civ.Mech.Eng

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Experimental investigation of G-HPC-based sandwich walls incorporated with metallic tube core under contact explosion

Cited by 3 publications

References 42 publications

Multiple blast behavior of steel wire mesh reinforced geopolymer based high performance concrete (G‐HPC) slab: Experiment and numerical simulation

Multiple blast behavior of steel wire mesh reinforced geopolymer based high performance concrete (G‐HPC) slab: Experiment and numerical simulation

Near-field multiple-blast resistance of G‑HPC sandwich walls incorporated with metallic tube core

Finite-element modeling for static bending and free vibration analyses of double-layer non-uniform thickness FG plates taking into account sliding interactions

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