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  Steel Bar Reinforcement Tests That You Should Know Materials’ testing is crucial. It entails measurement of characteristics and behavior of substances like metals, ceramics, and plastics under varying conditions. Consequently, we obtain data that acts as a foundation to specify the suitability of the materials for various applications. Steel bar reinforcement is not an exception; it is equally put under testing to identify its numerous specific uses. In fact, the most common test for steel bar reinforcement is the tensile test, bending test and chemical analysis. Maybe, you are not too familiar with chemical analysis. When a researcher is dealing with any kinds of product that we consume, it needs to conduct chemical analysis to know the quantity and quality of chemical components in a certain product such as steel bar reinforcement, structural steel and round or flat bar. What is a mill certificate? It refers to a quality assurance document that one uses in the metal industry sh...

  What is Bar Bending Schedule and How It is used? Bar bending schedule also referred to as BSS, is a comprehensive list of reinforcement bars that describes the location, mark, size, type, number, length, and bending details of each bar in a reinforcement drawing. The actual process of listing the type, size, location, the number and the other details is what is referred to as scheduling. In other words, bar scheduling is a way of organizing bars for each structural unit by giving details about the reinforcement requirements. How Bar Bending Schedule Is Used By using bar bending schedule, cutting and bending of reinforcement bars can be done at a factory and later delivered to the job site. Ordinarily, it will require several workers and special equipment for reinforcement bars to be cut or bent right at the construction site. But with the bar bending schedule being carried out at the factory, this will be easily done and it will reduce the time and construction costs. Additionall...

Basic reinforcement knowledge for site engineers     Re: Deduction in length of reinforcement steel for bar  bending Answer # 1      For 45 degree bend deduct 1d. For 90 degree bend deduct 2d. d= dia of bar.  Re: how can we calculate cutting length of a column ring (300 x 600) Answer # 1      Cutting Length of a column Formula = 2(L+B)+20d-2x10d So, L=600-80=520mm B=300-80=220mm Cutting Length = 2 (520+220) + 10x8 = 2(740)+80 = 1480+80=1560 mm if we Assume that the dia of ring is 8mm.  T hings Site Engineers Must Know About Reinforcement and Steel Bars Clear cover to main reinforcement in Footings : 50 mm Raft foundation Top : 50 mm Raft foundation Bottom/ sides : 75 mm Strap Beam : 50 mm Grade Slab : 20 mm Column : 40 mm (d>12mm) 25 mm (d= 12mm) Shear Wall : 25 mm Beams : 25 mm Slabs : 15 mm or not less than diameter of the bar. Flat Slab : 20 mm Staircase : 15 mm...