Structural · S-AQ9W4

Typical Drilled Pile and Pile Cap Elevation

Materials

Glass / Glazing

Elements

Foundations / Footings Waterproofing / Flashing Reinforcing

Connections

Rebar Splice / Development

About this detail

A reinforced concrete pile elevation details its embedment into a variable-thickness pile cap. The 18-inch outside diameter pile features longitudinal reinforcement distributed evenly around the perimeter enclosed by number 4 spirals at varying pitches of 2 inches and 9 inches for Grade 60 and Grade 100 reinforcement. The top of the pile extends into the pile cap with the outer eight bars terminating in 90-degree hooks, while the center bar incorporates a headed bar or terminator such as an HRC-555 or approved equal. A full-height number X center bar utilizes an A706 Lenton mechanical coupler or approved equal for Type 2 vertical reinforcement splicing as required. Spirals include one and one-half extra turns with 135-degree seismic hooks at each end of the spiral unit. The bottom of the pile cap is lowered where dimension A exceeds 3 inches, requiring an increase in pile cap thickness by (A-3) inches, and notes reference separate waterproofing details.

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