There are two section excavators plus long arm and three stage excavator plus long arm. The two section excavator plus long arm is mainly suitable for earth rock foundation and deep cutting excavation operation, river dredging, and the three section excavator plus long arm is mainly applicable to the disassembly of high rise buildings. According to the lever principle and the mechanics principle, the excavator and the long arm's force should be reduced.
1, add long arm excavator must first transport some mud or industrial waste bottom, so that the excavator straight impact hammer can get the roof.
2. When excavators are filled with filler, they will be stabilized first, and there will be enough steering space.
3. Use the impact hammer to hit the wall perpendicular to the wall, open a hole in the wall, push the crushed material into it, and do not let it fall down on itself.
4, add the long arm excavator to expand the hole, do not move the beam and pillar first. When the brick walls are opened, they will play the pillars, so that the beams above will not support them, but will also fall inside to ensure their safety. Move from top to bottom in this order, and push inside.
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