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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.
From the mid-2000s to the early 2010s, SteelAsia expanded its reinforcing bar production capacity; from producing 279,000 tons of rebar in 2006 to 1.2 million tons in 2013, securing almost half of the rebar market share in the Philippines. [8] In 2014, it began operations of two steel mills in Mindanao, to serve the Mindanao region. [9]
BS 6744: Stainless steel bars for the reinforcement of and use in concrete. Requirements and test methods. (2001/2009) DIN 488-1: Reinforcing steels - Part 1: Grades, properties, marking (2009) DIN 488-2: Reinforcing steels - Part 2: Reinforcing steel bars (2009) DIN 488-3: Reinforcing steels - Part 3: Reinforcing steel in coils, steel wire (2009)
The Dowelmax Jig with distance gauge bar. The Dowelmax is a loose tenon dowelling jig manufactured by the O.M.S. Tool company in Canada.The manufacturer claims that the small manufacturing tolerances of 0.026 millimetres (0.0010 in) for the aluminium, brass and steel components of the jig ensure accuracy and repeatability.
Precast concrete molds can be made of timber, steel, plastic, rubber, fiberglass, or other synthetic materials, with each giving a unique finish. [3] In addition, many surface finishes for the four precast wall panel types – sandwich, plastered sandwich, inner layer and cladding panels – are available, including those creating the looks of ...
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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.
To qualify as stainless steel, Fe-base alloys must contain at least 10.5% Cr. The iron-chromium phase diagram shows that up to about 13% Cr, the steel undergoes successive transformations upon cooling from the liquid phase from ferritic α phase to austenitic γ phase and back to α.