2023 Vol. 43, No. 10
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2023, 43(10): 102201.
doi: 10.11883/bzycj-2022-0397
Abstract:
Damage elements such as high-speed explosively-formed projectiles and strong discontinuous shock waves are generated during the process of the shaped charge associated with the underwater explosion. The theory on the action time sequence of the explo...
Damage elements such as high-speed explosively-formed projectiles and strong discontinuous shock waves are generated during the process of the shaped charge associated with the underwater explosion. The theory on the action time sequence of the explo...
2023, 43(10): 102202.
doi: 10.11883/bzycj-2022-0415
Abstract:
The evaluation of failure effect on concrete under explosion is of great significance to both engineering blasting construction and anti-explosion safety of engineering structures. The key is to obtain the characteristics of failure zones of the targ...
The evaluation of failure effect on concrete under explosion is of great significance to both engineering blasting construction and anti-explosion safety of engineering structures. The key is to obtain the characteristics of failure zones of the targ...
2023, 43(10): 102203.
doi: 10.11883/bzycj-2022-0556
Abstract:
With the further development of ocean engineering, the dynamic response of calcareous sand sites under strong dynamic loading has received broad attention. In order to investigate the crater characteristics of calcareous sand sites under explosion im...
With the further development of ocean engineering, the dynamic response of calcareous sand sites under strong dynamic loading has received broad attention. In order to investigate the crater characteristics of calcareous sand sites under explosion im...
2023, 43(10): 103101.
doi: 10.11883/bzycj-2022-0335
Abstract:
FRP-concrete-steel double skin tubular columns (FRP-DSTCs) consist of an outer FRP tube and an inner steel tube, with the space between them infilled by concrete. This type of members has been applied in bridge piers, and the impact resistance is an ...
FRP-concrete-steel double skin tubular columns (FRP-DSTCs) consist of an outer FRP tube and an inner steel tube, with the space between them infilled by concrete. This type of members has been applied in bridge piers, and the impact resistance is an ...
2023, 43(10): 103102.
doi: 10.11883/bzycj-2023-0065
Abstract:
The identification of stress threshold for crack propagation of rock under compressive loading is an important issue for understanding the progressive damage process and analyzing the macroscopic damage mechanism of rocks. In order to accurately iden...
The identification of stress threshold for crack propagation of rock under compressive loading is an important issue for understanding the progressive damage process and analyzing the macroscopic damage mechanism of rocks. In order to accurately iden...
2023, 43(10): 103103.
doi: 10.11883/bzycj-2022-0199
Abstract:
Transparent sandwich structures can combine the advantages of various materials, thus avoiding secondary damage caused by brittle material fragments. Therefore, they are widely used in various impact protection fields. However, the impact resistance ...
Transparent sandwich structures can combine the advantages of various materials, thus avoiding secondary damage caused by brittle material fragments. Therefore, they are widely used in various impact protection fields. However, the impact resistance ...
2023, 43(10): 103105.
doi: 10.11883/bzycj-2022-0486
Abstract:
Under irradiation conditions, a large number of micro-defects such as helium bubbles are produced in some materials, and the size and number density of helium bubbles increase with the increase of irradiation years. The variation of helium bubble dis...
Under irradiation conditions, a large number of micro-defects such as helium bubbles are produced in some materials, and the size and number density of helium bubbles increase with the increase of irradiation years. The variation of helium bubble dis...
2023, 43(10): 103304.
doi: 10.11883/bzycj-2023-0143
Abstract:
Based on high-speed photography technology, an experiment study on water-entry of oblique projectile constrained by ice hole was conducted. Digital image processing technology was employed to extract the experimental data. The water-entry process of ...
Based on high-speed photography technology, an experiment study on water-entry of oblique projectile constrained by ice hole was conducted. Digital image processing technology was employed to extract the experimental data. The water-entry process of ...
2023, 43(10): 104201.
doi: 10.11883/bzycj-2023-0127
Abstract:
The research on generation and properties of materials under ultra-high pressure and density constitutes an important part of the extreme physics and hence a field of modern frontier science, especially the magnetically-driven high-energy-density phy...
The research on generation and properties of materials under ultra-high pressure and density constitutes an important part of the extreme physics and hence a field of modern frontier science, especially the magnetically-driven high-energy-density phy...
2023, 43(10): 104202.
doi: 10.11883/bzycj-2023-0030
Abstract:
The Chapman-Jouguet theory is a powerful tool to predict the states of physical quantities at the rear of the shock front. However, uncertain factors and their influences on the system response quantities are neglected in the model of previous studie...
The Chapman-Jouguet theory is a powerful tool to predict the states of physical quantities at the rear of the shock front. However, uncertain factors and their influences on the system response quantities are neglected in the model of previous studie...
2023, 43(10): 105101.
doi: 10.11883/bzycj-2022-0375
Abstract:
In view of the hot problem of reducing the harm of explosive terrorist attacks in public security field, the research on explosion-proof structures is urgent. Polyurethane foam has the advantages of being lightweight, has excellent mechanical propert...
In view of the hot problem of reducing the harm of explosive terrorist attacks in public security field, the research on explosion-proof structures is urgent. Polyurethane foam has the advantages of being lightweight, has excellent mechanical propert...
2023, 43(10): 105201.
doi: 10.11883/bzycj-2023-0151
Abstract:
The technique of drilling and blasting is widely applied in rock excavation, and its working efficiency mainly relies on the rock mass structure and geological conditions. The initial stress plays a crucial role in the blast-induced cracking behavior...
The technique of drilling and blasting is widely applied in rock excavation, and its working efficiency mainly relies on the rock mass structure and geological conditions. The initial stress plays a crucial role in the blast-induced cracking behavior...
2023, 43(10): 105401.
doi: 10.11883/bzycj-2023-0108
Abstract:
To examine the mitigation characterisitics of blast wave in water mist, a comprehensive series of blast experiments were carried out utilizing a blast-driven shock tube with a 4 m length and 180 mm square inner cross-section. The blast wave was gener...
To examine the mitigation characterisitics of blast wave in water mist, a comprehensive series of blast experiments were carried out utilizing a blast-driven shock tube with a 4 m length and 180 mm square inner cross-section. The blast wave was gener...
2023, 43(10): 105402.
doi: 10.11883/bzycj-2022-0562
Abstract:
To investigate the synergistic effect of N2 and combined porous media to suppress gas explosion, the experiments were carried out in an independently designed explosion pipe. The nitrogen curtain was 0.9 m away from the ignition location. The combine...
To investigate the synergistic effect of N2 and combined porous media to suppress gas explosion, the experiments were carried out in an independently designed explosion pipe. The nitrogen curtain was 0.9 m away from the ignition location. The combine...
