Structural · S-46J65

Basement Mat Slab and Shear Wall Foundation Detail

Materials

Elements

Walls Shear Walls Floors / Slabs Foundations / Footings

About this detail

A concrete shear wall bears onto a concrete pile cap supported by augercast piles, with adhesive dowels tying the wall to the foundation. A basement mat slab spans across compacted structural backfill and rests on additional augercast piles, integrating with a concrete grade beam. Where existing timber or precast piles occur, they are cut at least twelve inches below the bottom of the pile cap or mat slab and abandoned in place. A structural steel column is anchored to the mat slab foundation, and future excavation shoring is noted adjacent to the 50 Main basement structure.

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