Saw to a depth and length that allows the center of the dowel to be placed at mid-depth in the pavement slab. Saw slots parallel to each other and to the centerline of the roadway with a maximum tolerance of 1â4-inch per 12 inches of dowel bar length.omplete installation of retrofit dowels, with dowel bars and backfill placed prior to reopening the lane to public traffic. Place silicone at all joints and cracks followed by the dowel bar assemblies in each slot. Following that, place patching material and then consolidate and finish patching material.
fÄ«sa. 1  nominative feminine singular of. 2  nominative neuter plural of. 3  accusative neuter plural of.  vocative feminine singular 1  of. vocative neuter plural  of.
2 a cracklike lesion of the skin, such as an anal fissure. 3 a lineal fault on a bony surface that occurs during the development of a part, such as a fissure in the enamel of a tooth. A fissure is usually deeper than a sulcus, but in the terminology of anatomy fissure and sulcus are often used interchangeably. Also called fissura. fissured, adj.