Oldcastle BuildingEnvelope® offers blast-resistant laminated glass, and it is an excellent glazing choice in all types of buildings that may be subjected to bomb blasts. The tough plastic interlayer holds the glass together after an impact, and with the proper framing systems, the glazing will be retained in the opening. Thus, the amount of flying glass, as well as the consequential injuries, can be dramatically reduced. This glass can only perform as intended when installed in a qualified framing system designed to meet each project-specific application, with the proper framing system and anchoring design. Glass fragmentation hazards have been identified as a main cause of injury in the targeted site, as well as the peripheral sites; sometimes many blocks from the site of the bomb.
Oldcastle BuildingEnvelope®'s blast-resistant laminated glass is an excellent glazing choice in all types of buildings that may be subjected to bomb blasts. The tough plastic interlayer holds the glass together after an impact, and with the proper framing systems, the glazing will be retained in the opening. Thus, the amount of flying glass, as well as the consequential injuries, can be dramatically reduced.
The pressure from a bomb typically consists of a wave that rises almost instantaneously to a very high peak pressure that falls back to zero in a very short duration, as measured in milliseconds. For example, a 27 lb. bomb detonated from a stand-off distance of 48 ft. produces a peak pressure of 10 psi (1,440 psf) for 3.3 milliseconds. The area under the pressure time graph is called the impulse and is measured in psi-ms. Blast wave energy decreases very rapidly with distance so that the most effective protection is to increase this “stand-off” distance. However, this is not always a viable or economic option.
Oldcastle BuildingEnvelope® offers blast-resistant laminated glass, and it is an excellent glazing choice in all types of buildings that may be subjected to bomb blasts. The tough plastic interlayer holds the glass together after an impact, and with the proper framing systems, the glazing will be retained in the opening. Thus, the amount of flying glass, as well as the consequential injuries, can be dramatically reduced. This glass can only perform as intended when installed in a qualified framing system designed to meet each project-specific application, with the proper framing system and anchoring design. Glass fragmentation hazards have been identified as a main cause of injury in the targeted site, as well as the peripheral sites; sometimes many blocks from the site of the bomb.
Oldcastle BuildingEnvelope®'s blast-resistant laminated glass is an excellent glazing choice in all types of buildings that may be subjected to bomb blasts. The tough plastic interlayer holds the glass together after an impact, and with the proper framing systems, the glazing will be retained in the opening. Thus, the amount of flying glass, as well as the consequential injuries, can be dramatically reduced.
The pressure from a bomb typically consists of a wave that rises almost instantaneously to a very high peak pressure that falls back to zero in a very short duration, as measured in milliseconds. For example, a 27 lb. bomb detonated from a stand-off distance of 48 ft. produces a peak pressure of 10 psi (1,440 psf) for 3.3 milliseconds. The area under the pressure time graph is called the impulse and is measured in psi-ms. Blast wave energy decreases very rapidly with distance so that the most effective protection is to increase this “stand-off” distance. However, this is not always a viable or economic option.
Oldcastle BuildingEnvelope® offers blast-resistant laminated glass, and it is an excellent glazing choice in all types of buildings that may be subjected to bomb blasts. The tough plastic interlayer holds the glass together after an impact, and with the proper framing systems, the glazing will be retained in the opening. Thus, the amount of flying glass, as well as the consequential injuries, can be dramatically reduced. This glass can only perform as intended when installed in a qualified framing system designed to meet each project-specific application, with the proper framing system and anchoring design. Glass fragmentation hazards have been identified as a main cause of injury in the targeted site, as well as the peripheral sites; sometimes many blocks from the site of the bomb.
Oldcastle BuildingEnvelope®'s blast-resistant laminated glass is an excellent glazing choice in all types of buildings that may be subjected to bomb blasts. The tough plastic interlayer holds the glass together after an impact, and with the proper framing systems, the glazing will be retained in the opening. Thus, the amount of flying glass, as well as the consequential injuries, can be dramatically reduced.
The pressure from a bomb typically consists of a wave that rises almost instantaneously to a very high peak pressure that falls back to zero in a very short duration, as measured in milliseconds. For example, a 27 lb. bomb detonated from a stand-off distance of 48 ft. produces a peak pressure of 10 psi (1,440 psf) for 3.3 milliseconds. The area under the pressure time graph is called the impulse and is measured in psi-ms. Blast wave energy decreases very rapidly with distance so that the most effective protection is to increase this “stand-off” distance. However, this is not always a viable or economic option.
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