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A dowel bar retrofit (DBR) is a method of reinforcing cracks in highway pavement by inserting steel dowel bars in slots cut across the cracks. It is a technique which several U.S. states' departments of transportation have successfully used in repairs to address faulting in older jointed plain concrete pavements.
Dowel bar retrofit (DBR) is a process that re-establishes load transfer capability on joints and cracks by installing epoxy-coated, round steel dowels into existing concrete pavement across transverse joints and/or cracks. Slots are cut using diamond-tipped saw blades; the existing concrete is removed and the dowels are placed in the slots ...
A dowel plate. The traditional tool for making dowels is a dowel plate, an iron (or better, hardened tool steel) plate with a hole having the size of the desired dowel.To make a dowel, a piece of wood is split or whittled to a size slightly bigger than desired and then driven through the hole in the dowel plate.
Foreign, not from the US. ("International version of software for country xxx", in British English this is a contradiction in terms.) interval: break between two performances or sessions, as in theatre (US: intermission) a gap in space or time; see interval (music), interval (mathematics), interval (time) (esp.
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Modified roto-mill head for dowel bar retrofit Dowel bar retrofit slots after the milling. Specialty milling can be used to form rumble strips which are often used along highways. [8] Using milling instead of other methods, such as rolling them in, means that the rumble strips can be added at any time after the road surface has hardened. [8]
A common element of the English tying joint. Top tenon: the tenon that occurs on top of a post. Hammer-headed tenon: a method of forming a tenon joint when the shoulders cannot be tightened with a clamp. Half shoulder tenon: an asymmetric tenon with a shoulder on one side only. A common use is in framed, ledged, and braced doors.
An early version of rebar inside the Leaning Tower of Nevyansk. Reinforcing bars in masonry construction have been used since antiquity, with Rome using iron or wooden rods in arch construction. [5] Iron tie rods and anchor plates were later employed across Medieval Europe, as a device to reinforce arches, vaults, and cupolas.