A concrete block wall typically requires 1 1/8 blocks per square foot. Standard Two Cell Block Grouted Cells Vertical Steel Spacing Cubic Yards of Grout per 100 Sqare Feet of Wall Cubic Yards per 100 Block (8 high by 16 long) Block per Cubic Yards (8 high by 16 long) 6 Thick Wall: All cells filled: 0.93: 0. But what about the effective depth? Should this be then d=95?īelow is a little sketch of typical wall, here the slenderness isn't too much, but that's not the point. CMUs are available in many sizes, but the most common is 8 deep x 8 high x 16 long. Grout Calculations for Concrete Blocks Home » Calculators » Grout Calculations for Concrete Blocks. I'm planning using vertical reinforcement in the middle of the wall with a spacing of ~400 mm - how to calculate this section? I would probably look at it like concrete section with a width of 1000 mm and two D12 B500B bars as reinforcement. There are 12.5 standard Besser ® Blocks per metre square (m2) of wall. These Besser ® Block dimensions are for the traditional 200mm series block, and the code (name) for this block is the 20.01. Purchasing slightly more concrete than the estimated result can reduce the probability of having insufficient concrete. The size of a full unit Besser ® Block is 390mm long X 190mm wide X 190mm high. Should I take the compressive strength here as 18 MPa (design strength would then be fd=18/1,5=12 MPa?). The Concrete Calculator estimates the volume and weight of concrete necessary to cover a given area. The hollow blocks have characteristic compressive strength of 18 MPa, the concrete that they are filled with is probably C30/37 which has fk=30 MPa. They are 190 mm thick and filled with conrete. The walls are all only vertically loaded. I'm designing a building that has a lot of masonry walls that are just a bit too slender to go without vertical reinforcement, according to Eurocode 6 at least.
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