Rotary Bored Piling

Rotary bored piles dif­fer from CFA piles in that a tem­po­rary cas­ing is installed to sup­port the bore from col­lapse in unsta­ble ground con­di­tions, for exam­ple in super­fi­cial soils. Where cas­ing lengths are short they can be insert­ed as a sin­gle plain...