2023 Vol. 43, No. 8
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2023, 43(8): 081101.
doi: 10.11883/bzycj-2022-0526
Abstract:
Dynamic fracture behavior is a crucial aspect in rock mechanics and engineering, with significant implications to the safety and effectiveness of structures in fields such as mining and civil engineering. In recent years, significant progress has bee...
Dynamic fracture behavior is a crucial aspect in rock mechanics and engineering, with significant implications to the safety and effectiveness of structures in fields such as mining and civil engineering. In recent years, significant progress has bee...
2023, 43(8): 082301.
doi: 10.11883/bzycj-2023-0106
Abstract:
In order to explore the mechanism of the detonation reaction of emulsion explosives under negative pressure conditions, a self-made visualized spherical explosion tank was designed, and the explosion flame propagation process, detonation wave pressur...
In order to explore the mechanism of the detonation reaction of emulsion explosives under negative pressure conditions, a self-made visualized spherical explosion tank was designed, and the explosion flame propagation process, detonation wave pressur...
2023, 43(8): 083101.
doi: 10.11883/bzycj-2022-0549
Abstract:
In order to develop a lightweight and efficient energy absorption device, a novel type of the star-shaped hybrid multi-cell (SHM) tubes based on the hybrid design of polygonal cross-section and star-shaped cross-section was proposed. The finite eleme...
In order to develop a lightweight and efficient energy absorption device, a novel type of the star-shaped hybrid multi-cell (SHM) tubes based on the hybrid design of polygonal cross-section and star-shaped cross-section was proposed. The finite eleme...
2023, 43(8): 083301.
doi: 10.11883/bzycj-2022-0464
Abstract:
In order to meet the demand of low collateral damage, a cross-shape built-in fragmentation directional warhead was invented, which can select different detonation modes according to the target orientation and then control the radial dispersion charac...
In order to meet the demand of low collateral damage, a cross-shape built-in fragmentation directional warhead was invented, which can select different detonation modes according to the target orientation and then control the radial dispersion charac...
2023, 43(8): 083302.
doi: 10.11883/bzycj-2022-0482
Abstract:
Accurate predictions of the penetration depth and critical perforation thickness of earth penetration weapons into concrete materials are key issues in the field of protective engineering. However, the widely-used formulas have limited predictive acc...
Accurate predictions of the penetration depth and critical perforation thickness of earth penetration weapons into concrete materials are key issues in the field of protective engineering. However, the widely-used formulas have limited predictive acc...
2023, 43(8): 083303.
doi: 10.11883/bzycj-2022-0496
Abstract:
Based on the brittle fracture model of rock materials, from the perspective of improving the conversion efficiency of explosive energy to the fracture surface energy of rock materials, it is proposed to use pre-cutting and multi-point shaped charge j...
Based on the brittle fracture model of rock materials, from the perspective of improving the conversion efficiency of explosive energy to the fracture surface energy of rock materials, it is proposed to use pre-cutting and multi-point shaped charge j...
2023, 43(8): 083304.
doi: 10.11883/bzycj-2023-0005
Abstract:
A single waterjet impact test platform was established based on the first-stage light gas gun in order to study the rain erosion damage behavior, to explore the damage mechanism, and to establish the rain erosion damage criterion of the aircraft skin...
A single waterjet impact test platform was established based on the first-stage light gas gun in order to study the rain erosion damage behavior, to explore the damage mechanism, and to establish the rain erosion damage criterion of the aircraft skin...
2023, 43(8): 085101.
doi: 10.11883/bzycj-2022-0456
Abstract:
To investigate the sympathetic detonation (SD) response and protection method of shell explosive in the packaging box, the sympathetic detonation experiment of JHL-2 (RDX/Al/binder = 65.5/30/4.5) explosive charges in the packaging box was carried out...
To investigate the sympathetic detonation (SD) response and protection method of shell explosive in the packaging box, the sympathetic detonation experiment of JHL-2 (RDX/Al/binder = 65.5/30/4.5) explosive charges in the packaging box was carried out...
2023, 43(8): 085102.
doi: 10.11883/bzycj-2023-0099
Abstract:
To improve the design and evaluation system of liquid storage structure (LSS) in protection engineering, theoretical research on the dynamic response of LSS subjected to explosion-induced ground shock has been carried out. The rectangular LSS was sim...
To improve the design and evaluation system of liquid storage structure (LSS) in protection engineering, theoretical research on the dynamic response of LSS subjected to explosion-induced ground shock has been carried out. The rectangular LSS was sim...
2023, 43(8): 085103.
doi: 10.11883/bzycj-2023-0147
Abstract:
Masonry-infilled walls (MIWs) are prone to crack, fragment, and even collapse under blast loads, attributed to their low strength and weak ductility, which threatens the safety of building structures and the inside occupants and equipment. Aiming to ...
Masonry-infilled walls (MIWs) are prone to crack, fragment, and even collapse under blast loads, attributed to their low strength and weak ductility, which threatens the safety of building structures and the inside occupants and equipment. Aiming to ...
2023, 43(8): 085104.
doi: 10.11883/bzycj-2022-0260
Abstract:
The failure law of shallow buried reinforced concrete straight wall arch structure in soil under secondary explosion of conventional weapons was studied by explosion test and numerical simulation. Test structure adopts scale model based on similarity...
The failure law of shallow buried reinforced concrete straight wall arch structure in soil under secondary explosion of conventional weapons was studied by explosion test and numerical simulation. Test structure adopts scale model based on similarity...
2023, 43(8): 085201.
doi: 10.11883/bzycj-2022-0547
Abstract:
In order to reduce blasting vibration reasonably and determine the damage range of single hole, it is necessary to study the impact pressure changing law of different bore diameters. By analyzing the movement process of the hole wall under the action...
In order to reduce blasting vibration reasonably and determine the damage range of single hole, it is necessary to study the impact pressure changing law of different bore diameters. By analyzing the movement process of the hole wall under the action...
2023, 43(8): 085401.
doi: 10.11883/bzycj-2023-0018
Abstract:
To study the propagation law of gas explosion in a Y-shaped ventilated coal face, the simulation software of Fluent was used to carry out numerical simulation research combined with the actual situation of the N2105 working face in the Yuwu Coal Mine...
To study the propagation law of gas explosion in a Y-shaped ventilated coal face, the simulation software of Fluent was used to carry out numerical simulation research combined with the actual situation of the N2105 working face in the Yuwu Coal Mine...
