2019 Vol. 39, No. 7
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2019, 39(7): 071101.
doi: 10.11883/bzycj-2019-0034
Abstract:
In this study we developed a hydraulic servo control system for experimental study on concrete penetration under triaxial stress for independently-controlled triaxial confinement on cubic specimens, and launched bullets to penetrate concrete specimen...
In this study we developed a hydraulic servo control system for experimental study on concrete penetration under triaxial stress for independently-controlled triaxial confinement on cubic specimens, and launched bullets to penetrate concrete specimen...
2019, 39(7): 072101.
doi: 10.11883/bzycj-2018-0215
Abstract:
When the oil depot is in fire, a large amount of gasoline vapor is formed by the heat absorption of oil in an adjacent gasoline tank with a fixed top. The gasoline vapor is ignited after mixing with air, which is likely to cause combustion and explos...
When the oil depot is in fire, a large amount of gasoline vapor is formed by the heat absorption of oil in an adjacent gasoline tank with a fixed top. The gasoline vapor is ignited after mixing with air, which is likely to cause combustion and explos...
2019, 39(7): 072201.
doi: 10.11883/bzycj-2018-0179
Abstract:
In order to study the dynamic response behavior of a sand wall in the process of the shock-sand wall interaction, experiments are carried out in a horizontal shock tube. A high-speed schlieren imaging system is used to capture the instantaneous struc...
In order to study the dynamic response behavior of a sand wall in the process of the shock-sand wall interaction, experiments are carried out in a horizontal shock tube. A high-speed schlieren imaging system is used to capture the instantaneous struc...
2019, 39(7): 072202.
doi: 10.11883/bzycj-2018-0132
Abstract:
In this work we carried out vented explosion experiments with different pressure relief membrane material and layers and different venting locations in the square flame propagation test pipeline and investigated the influence of pressure relief membr...
In this work we carried out vented explosion experiments with different pressure relief membrane material and layers and different venting locations in the square flame propagation test pipeline and investigated the influence of pressure relief membr...
2019, 39(7): 072301.
doi: 10.11883/bzycj-2018-0398
Abstract:
The mechanical behavior of PBX has an important impact on its safety. In order to study the mechanical properties of PBX-1, the quasi-static mechanical experiments and SHPB (split-Hopkinson pressure bar) experiments were conducted. The results showed...
The mechanical behavior of PBX has an important impact on its safety. In order to study the mechanical properties of PBX-1, the quasi-static mechanical experiments and SHPB (split-Hopkinson pressure bar) experiments were conducted. The results showed...
2019, 39(7): 072302.
doi: 10.11883/bzycj-2018-0226
Abstract:
To investigate the influence of the porosity (charge density) on the shock initiation and detonation of polymer bonded explosives (PBXes), a one-dimensional Lagrangian experimental testing system is adopted to measure the pressure-time histories at d...
To investigate the influence of the porosity (charge density) on the shock initiation and detonation of polymer bonded explosives (PBXes), a one-dimensional Lagrangian experimental testing system is adopted to measure the pressure-time histories at d...
2019, 39(7): 073101.
doi: 10.11883/bzycj-2019-0015
Abstract:
Samples for uniaxial tension and spallation experiments of GP1 stainless steel were produced by selective laser melting (SLM). The microstructure of SLM GP1 was characterized by using the optical metallography and electron-backscatter diffraction (EB...
Samples for uniaxial tension and spallation experiments of GP1 stainless steel were produced by selective laser melting (SLM). The microstructure of SLM GP1 was characterized by using the optical metallography and electron-backscatter diffraction (EB...
2019, 39(7): 073102.
doi: 10.11883/bzycj-2018-0068
Abstract:
The extreme local interaction between the projectile and target will cause mass erosion of the projectile during high-speed penetrating, and then decreases penetration performance of the penetrator. Aggregates in the concrete target will affect mass ...
The extreme local interaction between the projectile and target will cause mass erosion of the projectile during high-speed penetrating, and then decreases penetration performance of the penetrator. Aggregates in the concrete target will affect mass ...
2019, 39(7): 073103.
doi: 10.11883/bzycj-2018-0141
Abstract:
Ice breaking by blasting is a complex process in underwater explosion engineering. In this study we examined the fragmentation characteristics of ice cover with underwater explosion shock wave and simulated the process of underwater explosion breakin...
Ice breaking by blasting is a complex process in underwater explosion engineering. In this study we examined the fragmentation characteristics of ice cover with underwater explosion shock wave and simulated the process of underwater explosion breakin...
2019, 39(7): 073301.
doi: 10.11883/bzycj-2018-0230
Abstract:
Model experiments of hypervelocity penetration of steel rods at about Mach 10 into four types of layered geological material targets were conducted with a two-stage light gas gun, and the effects of the mortar position and the air-layer set on penetr...
Model experiments of hypervelocity penetration of steel rods at about Mach 10 into four types of layered geological material targets were conducted with a two-stage light gas gun, and the effects of the mortar position and the air-layer set on penetr...
2019, 39(7): 074101.
doi: 10.11883/bzycj-2018-0160
Abstract:
Based on the similarity theory, the heavy ball landing experiments were conducted to simulate the collapse of the goaf in order to provide guidance for the goaf disposal. The particle peak vibration velocities corresponding to the balls with the mass...
Based on the similarity theory, the heavy ball landing experiments were conducted to simulate the collapse of the goaf in order to provide guidance for the goaf disposal. The particle peak vibration velocities corresponding to the balls with the mass...
2019, 39(7): 074201.
doi: 10.11883/bzycj-2018-0143
Abstract:
In order to simplify the evaluation of the anti-collision performance after structural fatigue damage, an equivalent stress-strain curve method based on strain equivalence was proposed in the same way as the isochronous stress-strain curve in structu...
In order to simplify the evaluation of the anti-collision performance after structural fatigue damage, an equivalent stress-strain curve method based on strain equivalence was proposed in the same way as the isochronous stress-strain curve in structu...
2019, 39(7): 074102.
doi: 10.11883/bzycj-2018-0104
Abstract:
There is a lack in technology that is suitable for characterizing the shock-induced micro-jetting of metal sample with complex configuration. In this work, step signal electric probe is developed to characterize micro-jetting. The probe is designed b...
There is a lack in technology that is suitable for characterizing the shock-induced micro-jetting of metal sample with complex configuration. In this work, step signal electric probe is developed to characterize micro-jetting. The probe is designed b...
2019, 39(7): 074202.
doi: 10.11883/bzycj-2018-0187
Abstract:
The function of an explosively-formed projectile (EFP) is not only penetrating the armor but also destroying the equipment behind the armor by behind-armor debris (BAD). It is necessary to predict the mass of BAD since the mass distribution of BAD is...
The function of an explosively-formed projectile (EFP) is not only penetrating the armor but also destroying the equipment behind the armor by behind-armor debris (BAD). It is necessary to predict the mass of BAD since the mass distribution of BAD is...
2019, 39(7): 075101.
doi: 10.11883/bzycj-2018-0146
Abstract:
The shear pin is a key component of an explosive-actuated device. It must be cut by explosive force and guarantee regular work under mechanical environment in reliability analysis. The mechanical model of the shear pin constrained by the mechanical b...
The shear pin is a key component of an explosive-actuated device. It must be cut by explosive force and guarantee regular work under mechanical environment in reliability analysis. The mechanical model of the shear pin constrained by the mechanical b...
2019, 39(7): 075102.
doi: 10.11883/bzycj-2018-0064
Abstract:
Aiming at the high-g launching overload of the guided ammunition, the semi-strapdown stabilization platform in the shell is easily damaged when only the bearing bears axial high overload, the " counter-top hemisphere” structure was designed. Based on...
Aiming at the high-g launching overload of the guided ammunition, the semi-strapdown stabilization platform in the shell is easily damaged when only the bearing bears axial high overload, the " counter-top hemisphere” structure was designed. Based on...
2019, 39(7): 075103.
doi: 10.11883/bzycj-2018-0119
Abstract:
By comparing with their solid reinforced concrete columns counterparts, the inner hollow reinforced concrete columns are widely used as piers because of their advantages including light weight and good section extension. These piers will inevitably b...
By comparing with their solid reinforced concrete columns counterparts, the inner hollow reinforced concrete columns are widely used as piers because of their advantages including light weight and good section extension. These piers will inevitably b...
2019, 39(7): 075201.
doi: 10.11883/bzycj-2018-0122
Abstract:
The distribution of cracks around the rock hole after perforation has a great influence on the subsequent fracturing. A cross-section of the target is selected as the researching object. The process of three-dimensional penetration is simplified into...
The distribution of cracks around the rock hole after perforation has a great influence on the subsequent fracturing. A cross-section of the target is selected as the researching object. The process of three-dimensional penetration is simplified into...
