What are the weight specifications of the drill pile when the bridge pile foundation is constructed?
In terms of size, this depends on the size of the hole you want to play. Generally they are 0.8m, 1M, 1.25m, 1.5m, 1.8m.
Impact drilling in two main forms, one for earth or soft rock using tubular hammer, one for hard rock is solid hammer, the general hammer is about 4-5t, if you want to increase, you can hammer on the steel bar plus counterweight.