Three-section excavator extension arm demolition method

Excavator extension arms include two-section excavator extension arms and three-section excavator extension arm demolition. Two-section excavator extension arms are mainly used for earthwork foundations and deep trench excavation operations, and river dredging; three-section excavator extension arm demolition It is mainly suitable for the demolition of high-rise buildings and other projects. According to the principle of lever and mechanics, the force of the extended-boom excavator is reduced compared with the original one, and the construction should not be carried out in heavy operations as much as possible.

How to demolish the building with the three-section excavator extension arm demolition?

It mainly depends on the height of the building. For example, demolish a 5-story building:

1. Some mud or industrial waste must be transported to the bottom so that the excavator can reach the roof of the building.

2. After the excavator is opened with the filler, make it stable first, and leave enough space for turning.

3. Use an impact hammer to hit the wall vertically (about 1 meter from the top), open a hole in the wall, push the scraps in, and don't let it fall and hit yourself.

4. Expand the hole without moving the beams and pillars. The extended-boom excavator opens the brick wall and then hits the pillar, so that the upper beam cannot support it and will fall inside to ensure your own safety. Proceed in this order from top to bottom.