Detail Text Description
The detail presents two technical diagrams. The top diagram is a cross-section of a concrete fastener strip, illustrating different layers and their measurements. At the top, a 24-inch wide concrete layer is shown, with a specification of 4000 PSI at 28 days. Below is a compacted MDOT #21AA aggregate base, with a minimum thickness of 6 inches. Labeled annotations describe various elements such as #4 rebar and adjacent pavement. The lower diagram shows a top view plan of the concrete fastener strip with dimensions and labeled tool joints. It features a round pole base with a 24-inch diameter positioned centrally within the strip. The expansion joints are indicated alongside 12-inch spacing from the pole.
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