The fundamental difference between a driven pile foundation and bored pile foundation lies in their point of manufacture. A driven pile is formed off-site under factory-controlled conditions and a bored pile is manufactured on site and in place.
Bored pile foundations, also known as replacement piles, are typically poured in place and provide support for structures, transferring their load to layers of soil or rock that have sufficient bearing capacity and suitable settlement characteristics. Driven piles are sometimes referred to as displacement piles because in the process of driving the pile into the ground, soil is moved radially as the pile shaft enters the ground. There may also be a component of movement of the soil in the vertical direction.
Driven Piles are made from preformed material having a predetermined shape and size that can be physically inspected prior to and during installation, which is installed by impact hammering, vibrating or pushing into the earth. These may include timber, steel, or precast concrete piles.
Bored Piles are cast-in-place concrete piles, meaning the pile is cast on the construction site. These may include Drilled Shafts, Mini Piles, Micro Piles, Drilled Displacement, Sectional Flight Auger (SFA) and Continuous Flight Auger (CFA) piles.
Driven Pile Construction Equipment typically includes a crane, hammer, piling rig, powerpack (hydraulic or air-hammer and Bored Piles typically utilise a Drill Rig, Helper Crane, Spoil Handling (loader, skip pan, etc.), casing, slurry handling, cage erection template, concrete truck and concrete pump truck.
Bored Pile Advantages
The main advantages of bored piles include:
Driven Pile Advantages
The main advantages of driven piles include:
If you’re looking for a piling contractor to install either precast or bored piles, please get in touch by calling 01636 611140 or drop us an email.
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