2023 Vol. 43, No. 5
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2023, 43(5): 052201.
doi: 10.11883/bzycj-2022-0161
Abstract:
Polymer materials have the characteristics of fast forming and good expansion performance. Their composite structures with gravel and reinforcement have obvious advantages in foundation treatment and urban road void removal and reinforcement. As repo...
Polymer materials have the characteristics of fast forming and good expansion performance. Their composite structures with gravel and reinforcement have obvious advantages in foundation treatment and urban road void removal and reinforcement. As repo...
2023, 43(5): 052202.
doi: 10.11883/bzycj-2022-0113
Abstract:
To investigate the standoff distance of underwater explosions on the damage to gravity dams and to explore whether there is an “optimal standoff distance”, a numerical model of a fully-coupled explosive-water-air-gravity dam was established. The nume...
To investigate the standoff distance of underwater explosions on the damage to gravity dams and to explore whether there is an “optimal standoff distance”, a numerical model of a fully-coupled explosive-water-air-gravity dam was established. The nume...
2023, 43(5): 052301.
doi: 10.11883/bzycj-2022-0234
Abstract:
To determine the critical vent area over which a warhead can burn stably under the fast cook-off condition, the gas pressure rise inside the casing after the ignition of the warhead charge was studied under the fast cook-off stimulation based on the ...
To determine the critical vent area over which a warhead can burn stably under the fast cook-off condition, the gas pressure rise inside the casing after the ignition of the warhead charge was studied under the fast cook-off stimulation based on the ...
2023, 43(5): 053101.
doi: 10.11883/bzycj-2022-0050
Abstract:
In order to study the anti-penetration performance of concrete-filled steel tube (CFST) with honeycomb structure, six experiments on anti-penetration of the CFST with honeycomb structure were conducted by using a 125-mm smooth bore gun. The failure p...
In order to study the anti-penetration performance of concrete-filled steel tube (CFST) with honeycomb structure, six experiments on anti-penetration of the CFST with honeycomb structure were conducted by using a 125-mm smooth bore gun. The failure p...
2023, 43(5): 053102.
doi: 10.11883/bzycj-2022-0343
Abstract:
The parameters of the Holmquist-Johnson-Cook (HJC) constitutive model for ultra-high performance concrete (UHPC) were determined based on uniaxial compression test, split Hopkinson pressure bar (SHPB) test and existing tri-axial compression test and ...
The parameters of the Holmquist-Johnson-Cook (HJC) constitutive model for ultra-high performance concrete (UHPC) were determined based on uniaxial compression test, split Hopkinson pressure bar (SHPB) test and existing tri-axial compression test and ...
2023, 43(5): 053103.
doi: 10.11883/bzycj-2022-0243
Abstract:
In order to better investigate the dynamic tensile properties and damage mechanism of ultra-high performance fibre reinforced concrete (UHPFRC), dynamic split tests with the strain rates of 1.72－7.42 s-1 were carried out by a split Hopkinson pressure...
In order to better investigate the dynamic tensile properties and damage mechanism of ultra-high performance fibre reinforced concrete (UHPFRC), dynamic split tests with the strain rates of 1.72－7.42 s-1 were carried out by a split Hopkinson pressure...
2023, 43(5): 053201.
doi: 10.11883/bzycj-2022-0117
Abstract:
Calcareous sand is widely distributed in coastal areas, and its engineering and mechanical properties are significantly different from terrestrial sands. To study the blast wave propagation in calcareous sand, a series of explosion tests with various...
Calcareous sand is widely distributed in coastal areas, and its engineering and mechanical properties are significantly different from terrestrial sands. To study the blast wave propagation in calcareous sand, a series of explosion tests with various...
2023, 43(5): 053301.
doi: 10.11883/bzycj-2022-0156
Abstract:
The dynamic response and failure of sandwich beams with gradient metal foam core subjected to high-velocity impact are studied experimentally. The impact resistance of five sandwich beams with different density gradient arrangements but the same surf...
The dynamic response and failure of sandwich beams with gradient metal foam core subjected to high-velocity impact are studied experimentally. The impact resistance of five sandwich beams with different density gradient arrangements but the same surf...
2023, 43(5): 053302.
doi: 10.11883/bzycj-2022-0079
Abstract:
To study the explosion characteristics of penetrator with elliptical cross-section, a static explosion experiment was designed and carried out. The penetrator with a mass of 255 kg was erected on a wooden cartridge, the centroid height was 2 m from t...
To study the explosion characteristics of penetrator with elliptical cross-section, a static explosion experiment was designed and carried out. The penetrator with a mass of 255 kg was erected on a wooden cartridge, the centroid height was 2 m from t...
2023, 43(5): 054101.
doi: 10.11883/bzycj-2022-0314
Abstract:
The loading technology of cosine distributed load by chemical explosion is the main method for evaluating the dynamic response of space structures under the irradiation of high-altitude nuclear explosions with soft X-rays. A loading method of discret...
The loading technology of cosine distributed load by chemical explosion is the main method for evaluating the dynamic response of space structures under the irradiation of high-altitude nuclear explosions with soft X-rays. A loading method of discret...
2023, 43(5): 054201.
doi: 10.11883/bzycj-2023-0006
Abstract:
In order to obtain the material constitutive model parameters of polymethyl methacrylate (PMMA) in the numerical simulation of explosive cutting, and to avoid the multiple tests required by the traditional method of obtaining the material constitutiv...
In order to obtain the material constitutive model parameters of polymethyl methacrylate (PMMA) in the numerical simulation of explosive cutting, and to avoid the multiple tests required by the traditional method of obtaining the material constitutiv...
2023, 43(5): 054202.
doi: 10.11883/bzycj-2022-0171
Abstract:
The physical mechanism of electrically exploding wires has caused much attention recently; fruitful experimental results have been reported by domestic researchers. Modeling and studying of the electrical metal wire explosion problems can help to und...
The physical mechanism of electrically exploding wires has caused much attention recently; fruitful experimental results have been reported by domestic researchers. Modeling and studying of the electrical metal wire explosion problems can help to und...
2023, 43(5): 055201.
doi: 10.11883/bzycj-2022-0164
Abstract:
In order to improve the permeability of coal seam with high gas and low permeability and effectively control the disaster of coal and gas outburst, the mechanism of permeability enhancement of coal seam by shaped charge blasting is studied. Firstly, ...
In order to improve the permeability of coal seam with high gas and low permeability and effectively control the disaster of coal and gas outburst, the mechanism of permeability enhancement of coal seam by shaped charge blasting is studied. Firstly, ...
