Function of spiral ties in bored pile shear resistance

The structural role of continuous spiral ties resisting shear forces and preventing longitudinal bar buckling under heavy axial loads.

Winding continuous spiral ties around bored pile longitudinal rebar cage
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Role of spiral ties

Continuous RB9 spiral ties spaced @0.15-0.20m pitch confine concrete core, prevent bar buckling, and absorb shear stresses.

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