2023 Vol. 43, No. 11
Display Method:
2023, 43(11): 112201.
doi: 10.11883/bzycj-2023-0080
Abstract:
To study the anti-blast performance of prestressed concrete (PC) frame structure, the dynamic response of a 3-story 2-span long-span bonded/unbonded PC frame structure under the action of external remote blast loads of different scaled distances was ...
To study the anti-blast performance of prestressed concrete (PC) frame structure, the dynamic response of a 3-story 2-span long-span bonded/unbonded PC frame structure under the action of external remote blast loads of different scaled distances was ...
2023, 43(11): 112202.
doi: 10.11883/bzycj-2022-0385
Abstract:
In order to improve the blast resistant performance of prefabricated highway bridges, a precast segmental concrete-filled double-skin steel tube (PS-CFDST) column was developed. A large equivalent field blast test on the PS-CFDST columns was conducte...
In order to improve the blast resistant performance of prefabricated highway bridges, a precast segmental concrete-filled double-skin steel tube (PS-CFDST) column was developed. A large equivalent field blast test on the PS-CFDST columns was conducte...
2023, 43(11): 112203.
doi: 10.11883/bzycj-2023-0039
Abstract:
By employing the mode approximation method for rigid-plastic structural dynamic behavior and numerical simulation, a dynamic response analysis was conducted on circular-section concrete-filled steel tubular (CFST) structures subjected to lateral impa...
By employing the mode approximation method for rigid-plastic structural dynamic behavior and numerical simulation, a dynamic response analysis was conducted on circular-section concrete-filled steel tubular (CFST) structures subjected to lateral impa...
2023, 43(11): 112204.
doi: 10.11883/bzycj-2023-0164
Abstract:
Near-field underwater explosion produces complex loading patterns, and complex boundary conditions make the damage patterns of structures under near-field underwater explosion more difficult to predict. Thus, the investigation on the evolution of und...
Near-field underwater explosion produces complex loading patterns, and complex boundary conditions make the damage patterns of structures under near-field underwater explosion more difficult to predict. Thus, the investigation on the evolution of und...
2023, 43(11): 112301.
doi: 10.11883/bzycj-2023-0085
Abstract:
To investigate the releasing characteristics of detonation-driving energy in a laminated composite charge, a meticulously prepared composite charge of two distinct types of 3,4-dinitrofurazanfuroxan (DNTF) based explosives with uniform layer thicknes...
To investigate the releasing characteristics of detonation-driving energy in a laminated composite charge, a meticulously prepared composite charge of two distinct types of 3,4-dinitrofurazanfuroxan (DNTF) based explosives with uniform layer thicknes...
2023, 43(11): 113101.
doi: 10.11883/bzycj-2023-0172
Abstract:
To in-depth understand the dynamic fracture behaviors of metal materials under complex loading, based on the finite element simulation, two types of Mach stem loading experiments were designed and carried out to investigate the dynamic fragmentation ...
To in-depth understand the dynamic fracture behaviors of metal materials under complex loading, based on the finite element simulation, two types of Mach stem loading experiments were designed and carried out to investigate the dynamic fragmentation ...
2023, 43(11): 113102.
doi: 10.11883/bzycj/2022-0520
Abstract:
High-porosity structures with negative Poisson’s ratio often experience severe stress fluctuations and significant peak stresses during energy absorption, which can easily cause local damage to the honeycomb structure and affect continuous energy abs...
High-porosity structures with negative Poisson’s ratio often experience severe stress fluctuations and significant peak stresses during energy absorption, which can easily cause local damage to the honeycomb structure and affect continuous energy abs...
2023, 43(11): 113103.
doi: 10.11883/bzycj-2023-0061
Abstract:
In this experiment, finite size red sandstone containing pre-existing single crack was taken as the research object. The ratio of length to width of the samples was set about 0.65. The inclination angle of the pre-crack includes 0°, 30°, 45°, 60° and...
In this experiment, finite size red sandstone containing pre-existing single crack was taken as the research object. The ratio of length to width of the samples was set about 0.65. The inclination angle of the pre-crack includes 0°, 30°, 45°, 60° and...
2023, 43(11): 113301.
doi: 10.11883/bzycj-2022-0509
Abstract:
To study the cavity development and motion characteristics of the trans-media vehicle with tail-skirt during the process of oblique water entry at high velocity, a high-speed water-entry experiment at platform was built, and an experimental model wit...
To study the cavity development and motion characteristics of the trans-media vehicle with tail-skirt during the process of oblique water entry at high velocity, a high-speed water-entry experiment at platform was built, and an experimental model wit...
2023, 43(11): 114201.
doi: 10.11883/bzycj-2023-0047
Abstract:
In order to study the design thickness of the foam concrete distribution layer under blast load, the numerical model of one-dimensional blast wave propagation in foam concrete was established based on the LS-DYNA software, which was verified by compa...
In order to study the design thickness of the foam concrete distribution layer under blast load, the numerical model of one-dimensional blast wave propagation in foam concrete was established based on the LS-DYNA software, which was verified by compa...
2023, 43(11): 114202.
doi: 10.11883/bzycj-2023-0004
Abstract:
In order to establish an empirical formula to describe the pressure, density and particle velocity of the blast wave at any time and distance in free field, and to support the theoretical calculation of shock wave loading in complex scenarios, the pr...
In order to establish an empirical formula to describe the pressure, density and particle velocity of the blast wave at any time and distance in free field, and to support the theoretical calculation of shock wave loading in complex scenarios, the pr...
2023, 43(11): 114203.
doi: 10.11883/bzycj-2023-0086
Abstract:
The calculation method of double-skin steel-concrete shield based on the energy method is discussed. Under the premise of a rigid projectile, the main structures that affect the energy dissipation of projectile penetration are front and rear steel pl...
The calculation method of double-skin steel-concrete shield based on the energy method is discussed. Under the premise of a rigid projectile, the main structures that affect the energy dissipation of projectile penetration are front and rear steel pl...
2023, 43(11): 115401.
doi: 10.11883/bzycj-2023-0084
Abstract:
To further explore the energy absorption characteristics of the foamed metal with the explosion-facing surface structure different from that of its base subjected to a gas explosion, based on the previous experiments carried on the energy absorption ...
To further explore the energy absorption characteristics of the foamed metal with the explosion-facing surface structure different from that of its base subjected to a gas explosion, based on the previous experiments carried on the energy absorption ...
2023, 43(11): 115402.
doi: 10.11883/bzycj-2023-0098
Abstract:
Natural gas is an important energy material for national development, but its hazardous properties lead to frequent explosion accidents. In order to pre-evaluate the maximum overpressure of natural gas explosion under the condition with external turb...
Natural gas is an important energy material for national development, but its hazardous properties lead to frequent explosion accidents. In order to pre-evaluate the maximum overpressure of natural gas explosion under the condition with external turb...