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Volume 38 Issue 2
Apr 2024
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Chinese Journal of High Pressure Physics  > 2024  >  38(2): 024202.
CHEN Yingjie, LUO Cheng, ZHAO Chunfeng, HE Kaicheng. Testing and Numerical Analysis of the Anti-Blast Performance of Curved Steel-Concrete-Steel Composite Slab Using Headed Stud Connectors[J]. Chinese Journal of High Pressure Physics, 2024, 38(2): 024202. doi: 10.11858/gywlxb.20230752
Citation: CHEN Yingjie, LUO Cheng, ZHAO Chunfeng, HE Kaicheng. Testing and Numerical Analysis of the Anti-Blast Performance of Curved Steel-Concrete-Steel Composite Slab Using Headed Stud Connectors[J]. Chinese Journal of High Pressure Physics, 2024, 38(2): 024202. doi: 10.11858/gywlxb.20230752
shu

Testing and Numerical Analysis of the Anti-Blast Performance of Curved Steel-Concrete-Steel Composite Slab Using Headed Stud Connectors

doi: 10.11858/gywlxb.20230752
  • 1.

    College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumchi 830052, Xinjiang, China

  • 2.

    College of Civil Engineering, Hefei University of Technology, Hefei 230009, Anhui, China

  • Received Date: 17 Oct 2023
  • Rev Recd Date: 06 Nov 2023
  • Accepted Date: 29 Dec 2023
    • Available Online: 21 Jan 2024
  • Issue Publish Date: 09 Apr 2024
    Abstract
  • The curved steel-concrete-steel composite structure is a sandwiched structural member, consisting of two curved steel plates and concrete core. Headed studs are used to connect the steel plates and concrete to achieve the composite effect. This type of structure is promising for improving earthquake resistance and anti-blast performance, and has been applied in super high-rise structures, offshore platforms, and nuclear power facilities. This paper conducts experimental and numerical analysis to investigate the damage mode and mechanism of the curved steel-concrete-steel composite slab. Additionally, a parametrically analysis is conducted to explore the impact of blast distance, steel plate thickness, arch heights, and stud spacing on its anti-blast performance. The results indicate that the curved steel-concrete-steel composite structure performs well globally and retains their structural load-bearing capacity without failure after subjecting to blast loading. Increasing the blast distance and steel plate thickness can effectively reduce the concrete damage and the span deflection of the composite slab. Reducing arch heights causes a switch in concrete damage from compression damage to tensile damage, which is more severe and results in larger span deflection of the slab. Although reducing stud spacing increases the concrete plastic damage, it reduces the span deflection of the composite slab. The research results can contribute to the design and applications of curved steel-concrete-steel composite structures.

     

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