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.
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.Dermatology A groove, cleft, or sulcus, which may or may not be normal.. porta hepatis. 2. the transverse cerebral fissure between the diencephalon and the cerebral hemispheres; called also fissure of Bichat. zygal fissure any of the fissures on the cerebral cortex that consist of two branches connected by a stem.