1. Construction conditions:

The demolition of the reinforced reinforced concrete piers is surrounded by residential areas, and the use of explosives is prohibited. At the same time, construction requirements do not allow the vibration and impact generated by blasting to affect the living environment of residents, so breaking hammers cannot be used. The diameter of the reinforced concrete pier is 1.5 meters and the height is 4 meters. It is required to remove all the mounds and remove all the steel bars at the same time.

2. Construction method:

1. Equipment configuration: hydraulic cracking machine with one machine and two guns, drilling machine, auxiliary tools shovel, crowbar, and sledgehammer. Scissors and so on.

2. Construction method: When drilling, drill holes perpendicular to the concrete pier. The hole diameter is 42mm, the hole depth is more than 50mm, and the hole distance is 60mm. You can drill holes in advance to improve work efficiency. When the cracking gun performs cracking operations in the hole, the concrete layer is peeled off and the fault surface is cracked. After one and two cracks, the entire concrete pier is completely removed to expose the steel bars, and finally the steel bars are cut off with scissors.