2019 Vol. 39, No. 5
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2019, 39(5): 051101.
doi: 10.11883/bzycj-2018-0319
Abstract:
Parameter design of precise controlled blasting in urban tunnels is crucial, which needs the high-speed photography image acquisition and study on the dynamic failure process of rock on field. However, it has not been studied in-depth in the past due...
Parameter design of precise controlled blasting in urban tunnels is crucial, which needs the high-speed photography image acquisition and study on the dynamic failure process of rock on field. However, it has not been studied in-depth in the past due...
2019, 39(5): 052101.
doi: 10.11883/bzycj-2017-0370
Abstract:
In order to investigate the interaction of the shock wave on a reinforced concrete composite shell structure with the external protecting wall, the explosion experiments were carried out. There were two conditions in the experiments, the first condit...
In order to investigate the interaction of the shock wave on a reinforced concrete composite shell structure with the external protecting wall, the explosion experiments were carried out. There were two conditions in the experiments, the first condit...
Numerical simulation on steel box damage under internal explosion by smoothed particle hydrodynamics
2019, 39(5): 052201.
doi: 10.11883/bzycj-2017-0439
Abstract:
With the strategic structure of the evolving terrorist attacks, ships and bridges which are supported by steel boxes gradually become important targets of terrorist attacks and enemy military strikes. We simulate the explosion process in a steel box ...
With the strategic structure of the evolving terrorist attacks, ships and bridges which are supported by steel boxes gradually become important targets of terrorist attacks and enemy military strikes. We simulate the explosion process in a steel box ...
2019, 39(5): 052202.
doi: 10.11883/bzycj-2018-0025
Abstract:
In order to study the vibration characteristics of the elastic zone of underground explosion, the key is to obtain the experimental parameters of the radiated elastic wave under the coupling of the site medium and the explosive energy. The rock-like ...
In order to study the vibration characteristics of the elastic zone of underground explosion, the key is to obtain the experimental parameters of the radiated elastic wave under the coupling of the site medium and the explosive energy. The rock-like ...
2019, 39(5): 052203.
doi: 10.11883/bzycj-2018-0203
Abstract:
To improve the anti-detonation property of surrounding rock, the surrounding rock reninforced by crossing cable method was proposed, and the effects of the method were analyzed by anology experiments and numerical simulation. The d pressure and strai...
To improve the anti-detonation property of surrounding rock, the surrounding rock reninforced by crossing cable method was proposed, and the effects of the method were analyzed by anology experiments and numerical simulation. The d pressure and strai...
2019, 39(5): 052301.
doi: 10.11883/bzycj-2017-0395
Abstract:
In order to obtain the Hugoniot relation of unreacted JB-9014 explosive, one-dimensional plane impact experiments of the JB-9014 explosive were completed on a gun by using the reverse-impact method. The JB-9014 explosive sample was mounted on the fro...
In order to obtain the Hugoniot relation of unreacted JB-9014 explosive, one-dimensional plane impact experiments of the JB-9014 explosive were completed on a gun by using the reverse-impact method. The JB-9014 explosive sample was mounted on the fro...
2019, 39(5): 053101.
doi: 10.11883/bzycj-2018-0076
Abstract:
Under the common action of high axial stress and confining pressure, the main types of energy were discussed in the study of frequent dynamic disturbance firstly. At the same time, the formula for calculating elastic energy, plastic energy are deduce...
Under the common action of high axial stress and confining pressure, the main types of energy were discussed in the study of frequent dynamic disturbance firstly. At the same time, the formula for calculating elastic energy, plastic energy are deduce...
2019, 39(5): 054101.
doi: 10.11883/bzycj-2017-0394
Abstract:
The dynamic mechanical properties of soft materials have attracted great attention, and the separated Hopkinson pressure bar (SHPB) technique is the most important test method at present. However, the SHPB technique still needs some improvements when...
The dynamic mechanical properties of soft materials have attracted great attention, and the separated Hopkinson pressure bar (SHPB) technique is the most important test method at present. However, the SHPB technique still needs some improvements when...
2019, 39(5): 054201.
doi: 10.11883/bzycj-2017-0373
Abstract:
To study the surface particle vibration of vibration wave propagation on slope casting blast, we utilize dimensional analysis to construct the vibration peak velocity formula including the factor of elevation. On the basis of the above theory and slo...
To study the surface particle vibration of vibration wave propagation on slope casting blast, we utilize dimensional analysis to construct the vibration peak velocity formula including the factor of elevation. On the basis of the above theory and slo...
2019, 39(5): 054202.
doi: 10.11883/bzycj-2017-0380
Abstract:
In order to solve the problem of temporal and spatial distribution of explosive clouds, three groups of TNT explosion cloud field experiments were designed and carried out under the premise of strictly restricting the explosion conditions. The experi...
In order to solve the problem of temporal and spatial distribution of explosive clouds, three groups of TNT explosion cloud field experiments were designed and carried out under the premise of strictly restricting the explosion conditions. The experi...
2019, 39(5): 054203.
doi: 10.11883/bzycj-2017-0399
Abstract:
By differentiating the explosion venting process in a confined space, the process in each step was assumed to develop in three independent sub-steps: combustion, venting and equilibrium, and a sub-step calculation model was obtained for gas explosion...
By differentiating the explosion venting process in a confined space, the process in each step was assumed to develop in three independent sub-steps: combustion, venting and equilibrium, and a sub-step calculation model was obtained for gas explosion...
2019, 39(5): 054204.
doi: 10.11883/bzycj-2018-0075
Abstract:
The aim of the paper is to extend the Mie-Grüneisen mixture model to spherical coordinate. As the multi-component mixture model is applied to the Riemann problem under spherical coordinate, many problems need to be taken into account: weak equilibriu...
The aim of the paper is to extend the Mie-Grüneisen mixture model to spherical coordinate. As the multi-component mixture model is applied to the Riemann problem under spherical coordinate, many problems need to be taken into account: weak equilibriu...
2019, 39(5): 054205.
doi: 10.11883/bzycj-2018-0408
Abstract:
According to the mechanical properties and components of concrete from the mesoscale viewpoint, a simple and high-efficiency method based on 3D-Voronoi is proposed to construct realistic meso-structure model of concrete. In this paper, 3D mesoscale n...
According to the mechanical properties and components of concrete from the mesoscale viewpoint, a simple and high-efficiency method based on 3D-Voronoi is proposed to construct realistic meso-structure model of concrete. In this paper, 3D mesoscale n...
2019, 39(5): 055201.
doi: 10.11883/bzycj-2017-0366
Abstract:
The spectral characteristics of blasting vibration is of great significance to the safety construction of the tunnel. By using the dynamic finite element method, the blasting vibration frequency characteristics of surrounding rocks under different gr...
The spectral characteristics of blasting vibration is of great significance to the safety construction of the tunnel. By using the dynamic finite element method, the blasting vibration frequency characteristics of surrounding rocks under different gr...
2019, 39(5): 055301.
doi: 10.11883/bzycj-2017-0451
Abstract:
Al/Ni multi-layered composites were manufactured by cold rolling with different passes. The influence of cold rolling passes on the mechanical properties and shock-induced chemical reaction (SICR) behaviors of Al/Ni multi-layered composites was inves...
Al/Ni multi-layered composites were manufactured by cold rolling with different passes. The influence of cold rolling passes on the mechanical properties and shock-induced chemical reaction (SICR) behaviors of Al/Ni multi-layered composites was inves...
2019, 39(5): 055302.
doi: 10.11883/bzycj-2018-0400
Abstract:
This work studies the effect of base plate initial tensile strength on interface morphology and welding quality in explosive welding. The plates with different initial tensile strength were fabricated via explosive welding method under the same param...
This work studies the effect of base plate initial tensile strength on interface morphology and welding quality in explosive welding. The plates with different initial tensile strength were fabricated via explosive welding method under the same param...
2019, 39(5): 055401.
doi: 10.11883/bzycj-2017-0388
Abstract:
In order to evaluate the explosion sensitivity of corn starch dust cloud accurately, to carry out the dust explosion-proof work effectively, and to ensure safe production of grain industry, a series of experiments were performed by using a standard G...
In order to evaluate the explosion sensitivity of corn starch dust cloud accurately, to carry out the dust explosion-proof work effectively, and to ensure safe production of grain industry, a series of experiments were performed by using a standard G...
