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Demolition Methods: Know the Different Types and Applications

Blog | January 30th, 2018

Demolition methods are viewed with some awe by casual bystanders. They stand warily outside the danger area, watch the heavy plant equipment, and see large clouds of dust rise after a building has safely collapsed in upon itself. But did you know there are different demolition methods? From commercial establishments to small homes, there’s a controlled structure wrecking technique for every application. Here, let’s take a look at those techniques.

Explosive Implosions 

This is the option that receives the most attention, which is why it receives top billing here in this brief investigative study. Special engineering services use this option when the adjacent land lots are empty. Used to bring tall structures to the ground in less than a minute, structural engineers identify key support points within the building. A series of implosive charges are detonated simultaneously. The operation is so perfectly synchronized that the entire structure falls quickly, and safely, to the ground in seconds, not days.

Multi-Storey Heavy Plant Demolition 

Extended booms swing wrecking balls, monolithic hammers, and crushers into walls. The building is more than 20-metres tall, so only a telescoping boom can reach these great heights. Again, planning is required before the heavy equipment can make its move. The survey checks for reinforced concrete, asbestos, and exotic material mixes, so the selected demolition company will need a handful of large refuse collecting skips to clear everything. In short, bigger structures cause more material waste.

Two-Storey Specialists 

Multiple rooms abound, so plaster wall removal is a likely service. What if the building is to be partially cleared out? Every wall, floor, and window frame is on its way out to the refuse skip, but the structural shell is to be preserved. Asbestos insulation comes out safely, as managed by a licenced hazardous material supervisor. Then there are utility lines to disable. It’s easy enough to turn off the electrical power, but it’s not quite so easy to neutralize the sewage lines.

Selective demolition practices scoop interiors out while leaving structural frames intact. Meanwhile, cranes swing wrecking balls through broken down buildings. Of course, such destructive options are only sought after when the site is known to be abandoned and ripe for urban renewal. It’s the same with the implosion option, although that dynamic destructive power only really applies when a massive structure, chimney, or multi-storey property needs to come down fast. Otherwise, there are heavy plant tools, demolition teams, and smaller cranes to surgically tear apart buildings when they’re located within a populated zone.

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