Structural · S-9MYNW

Mat Footing and Column Base Section

Materials

anchor

Elements

Columns Floors / Slabs Foundations / Footings Waterproofing / Flashing Anchors / Embeds Reinforcing

Connections

Base Plate / Anchorage Bolted Connection Rebar Splice / Development

About this detail

A reinforced concrete mat footing features a column base and an underlayment layer above. The thick concrete footing is reinforced with top and bottom mats running parallel to both footing dimensions, supplemented by continuous bars and trim bars around the perimeter. A column sits atop the mat footing, with anchor bolts omitted for clarity, while underlayment is specified per a referenced detail. Specific notes govern utility pipe penetrations through the mat, requiring pipes to be located in the middle third of the footing depth, outside of column anchor bolts, and routed between reinforcing bars without cutting the steel. Minimum concrete clear cover is specified at six inches for top and bottom reinforcing.

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