Structural · S-56BJ5

Drill Displacement Column Foundation Detail

Materials

Concrete Reinforced Concrete Steel Masonry / CMU

Elements

Columns Floors / Slabs Foundations / Footings Bracing Reinforcing

Connections

Braced Frame Connection

About this detail

A Type 2 drill displacement column extends downward from an existing grade or bottom of footing with a forty-foot minimum shaft length. A load transfer pad sits at the foundation per contractor requirements. Accompanying notes specify supplier responsibilities for design criteria, geotechnical performance criteria regarding liquefaction and settlement, engineering submittal requirements, material specifications, and the multi-step construction process from drilling and pressure bulb creation to reinforcing steel and aggregate cushion placement.

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