Liuzhou High-rise Security Situation Blasting System Failed You And Me - Liuzhou Tower Explosion,

According to Xinhua reports, December 30 afternoon

, blasting floor called the highest, most difficult Liuzhou Liujiang road on the 2nd high-rise apartment a "Pom" approach Blasting. However, this building after initiation of 22-storey building, only the western half of the body collapse, while the eastern half of the bombing became the "Leaning Tower." ( Liuzhou tower blasting machine and fire ladder hook failed to turn the tide / map )

Blasting a company official said, blasting a number of problems encountered in the process, but are manageable. After the blast, including the autonomous group of experts, including experts, soon to enter the scene and conducted a field survey, a "Leaning Tower" because the situation has been initially identified. According to reports, the main building high-rise apartment layout is rectangular, what length of 36.3 m, 24.95 m from north to south. In order to successfully building collapse to the west, pre-blasting company has implemented a pre-cut off the building, that is, the first artificial, mechanical, combined with local blasting means the building from the middle vertical "split" open, separated into separate of two parts, each with implementation of the blast.

In blasting, the western half of the building body down, the tilt of the floor, the bottom of the body has been tilted down the eastern half of the floor is the top body of a moment, the delay of the eastern half of the building body to tilt trends; the same time, all the short holes are played in the building of 3 to 5 layers, which layers of House dissolution, the eastern half of the floor body drop occurs due to gravity, fell two floors below the formation of the "cup", the floor the bottom side is the west side of body "rim of the glass," Backwater, the east side was "Bei Bi" and held it, the collapse of trends blocked, so they became the "Leaning Tower."

For high-rise explosion Liuzhou Accident Failures, the author collected relevant blasting accident prevention and treatment methods, the construction unit in addition to early detection of burst forecasting well beyond the safety of the blasting site and unexpected accident prevention and emergency response must be filed .

1, before the sudden explosion blasting causes and prevention.

(A) the cause of the explosion:

1, detonator or blasting foot wire bus communication and power or lighting Power supply One phase contact each other in contact with another when the power supply ground.

2, detonator or blasting foot bus lines in contact with the leakage when the cable.

3, detonators under attack, when squeezed.

4, a variety of materials and detonating explosives detonation has a certain sensitivity, when a blasting operation, which may lead to another borehole nearby explosion.

(B) Preventive measures: 1, should be in charge and blasting connection with other objects without contact, pay attention to check the bus before connecting to the network with or without current, the bus one end of the short kink at any time.

2, underground mechanical and electrical equipment and cables to strengthen the inspection and maintenance.

3, storage of explosives, electric detonators and assembly lead drug premises safe guard against the coal, rock or hard impact detonator and explosives devices.

II misfire prevention and treatment: (A) The misfire prevention: 1, does not receive modification of explosives and detonators failed.

2, click "order" provides charge. When charging gun with wood or bamboo stick gently push the drug into the hole, preventing damage or broken foot wire detonators.

3, ability to use detonators and enough to maintain its integrity; receive Exploder carefully check their performance when, were impressed to receive, to prevent Collision , Beat, change the batteries, non-terminal short-circuit the ignition with the way check the residual current; Exploder initiating a detonation capacity is greater than the number of detonators.

by: gaga

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