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Numerical Simulation on Internal Explosion Resistance of Concrete Frame Structures with Kinked Rebar
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Huawei YIN1, 2, Benzheng CHEN1
Chinese Journal of High Pressure Physics | 2024, 38(1) : 014202-1 - 014202-12
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Chinese Journal of High Pressure Physics | 2024, 38(1): 014202-1-014202-12
• Dynamic Response of Matter •
Numerical Simulation on Internal Explosion Resistance of Concrete Frame Structures with Kinked Rebar
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Huawei YIN1, 2, Benzheng CHEN1
Affiliations
  • 1College of Civil Engineering, Hunan University, Changsha 410082, Hunan, China
  • 2Civil Engineering Inspection and Test Limited Company of Hunan University, Changsha 410082, Hunan, China
Published: 2024-02-05 doi: 10.11858/gywlxb.20230712
Outline
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Artificial plastic hinges have been widely used in the seismic research of frame structures, which can control the location of the beam plastic hinges and avoid the continuous collapse of the frame structure due to the damage of beam-column joints in earthquakes. The design goal of “strong column weak beam” can be achieved. An artificial plastic hinge with kinked rebar provides a new idea for structural blast resistance. Established structural static load tests have shown that the kinked rebar has excellent deformation performance. The ultimate load capacity of beam with kinded rebar is not reduced. With the software ANSYS/LS-DYNA and the hybrid finite element modeling approach, a numerical simulation study of reinforced concrete frame structures with different kinked rebar schemes was carried out. The results showed that the beam with kinked rebar can absorb the impact energy, reduce the support reaction, delay the peak reaction force, protect the beam-column joints, limit the damage to beam-slab members, and prevent the continuous collapse of frame structre.

impact loading  /  internal explosion  /  kinked rebar  /  frame structure  /  finite element analysis
尹华伟, 陈本政. 起波配筋混凝土框架结构的抗内爆性能数值模拟. 高压物理学报, 2024 , 38 (1) : 014202-1 -014202-12 . DOI: 10.11858/gywlxb.20230712
Huawei YIN, Benzheng CHEN. Numerical Simulation on Internal Explosion Resistance of Concrete Frame Structures with Kinked Rebar[J]. Chinese Journal of High Pressure Physics, 2024 , 38 (1) : 014202-1 -014202-12 . DOI: 10.11858/gywlxb.20230712
Year 2024 volume 38 Issue 1
8
4
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Article Info
doi: 10.11858/gywlxb.20230712
  • Receive Date:2023-08-14
  • Online Date:2026-11-05
  • Published:2024-02-05
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History
  • Received:2023-08-14
  • Revised:2023-09-06
  • Accepted:2023-11-15
Affiliations
    1College of Civil Engineering, Hunan University, Changsha 410082, Hunan, China
    2Civil Engineering Inspection and Test Limited Company of Hunan University, Changsha 410082, Hunan, China
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表12种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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