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Section 02514

    • 3.16

      EXPANSION JOINTS

      • A.

        Use a prefonned expansion joint filler matelial of the thickness as shown to fonn expansion joints.

      • B.

        Material shall be full depth of concrete, cut and shaped to the cross section as shown, except that top edges ofjoint filler shall be below the finished concrete surface where shown to allow for sealing.

      • C.

        Anchor with approved devices to prevent displacing during placing and finishing operations.

      • D.

        Round the edges ofjoints with an edging tool.

      • E.

        Fonn expansion joints without dowels about structures and features that project through, into, or against any site work concrete construction, using joint filler of the type, thickness, and width as shown, and installed in such a manner as to fonn a complete, unifOlm separation between the structure and the site work concrete item.

    • 3.17

      CONSTRUCTION JOINTS

      • A.

        Locate construction joints between slabs of vehicular pavement as shown.

      • B.

        Place transverse construction joints of the type shown, where indicated and whenever the placing ofconcrete is suspended for more than 30 minutes.

      • C.

        Use a butt-type joint with dowels in curb and gutter if the joint occurs at the location of a planned joint.

      • D.

        Use keyed joints with tiebars if the joint occurs in the middle third of the nOlmal curb and gutter joint interval.

      • E.

        In fOlming construction joints, carefully fonn a definite groove at the top, to the depth and width shown, to provide a recess for joint sealing matelial and to prevent any overhang onto concrete already in place. Install keyed joints and reinforcement as shown.

    • 3.18

      FORM REMOVAL

      • A.

        Forms shall remain in place at least 12 hours after thc concrete has been placed. Remove fonns without injuring the concrete.

10 Sec;::ion 02

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