Density = mass/volume
The unit weight of steel is 7850 kg/m3
volume of bar = (πd2/4)*L
hence mass = ((πd2/4)*L)*7850
= ((3.14 *d2/4)*1)*7850 for unit length
= 0.785*d2*7850
= 6162.25 d2 if d is in meters
or d2 /162 if d is in mm.
By putting the value of diameter of rod, you can calculate the unit weight of any size tmt bar.
Most rebar (steel reinforcement bar) is approximately round. Measure the diameter of the bar, that is, the thickness of the bar. Divide the measurement by 2 to get the radius. Use the formula pi x r2 (3.14 x radius x radius) to get the cross sectional area. The formula works for all measurement units whether they are inches, millimeters, centimeters or others. An alternative is to use (pi x d^2)/4. (3.14x diameter x diameter divided by 4) You do not then need to divide the original diameter.
For surface area of steel bar= pi*diameter*length For cross-sectional area of steel bar= pi (dia)^2/4
column size- 200x200 mm assume concrete cover is 40 mm and 8 dia bar using so that, ties size will be 120x120 mm [(AxE mm)] using formula- 2x(A+E)+24 dia of bar = 2x(120+120)+24x8=672 mm.
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no,a bar graph is not a pictograph,pictograph's represent data by pictures and bar graphs by bars...
Density or weight is calculated by mass/volume
AREA*THICKNESS(length)*7.85 pi*r2*t*7.85 - in mm
Formula for steel bar weight per meter = D2/162 where D is diameter of bar
The volume of a square hollow bar is calculated by multiplying the length of the bar times the width of the opening times the height of the opening ( inner dimensions ).
Weight of MS Round Bar is calculated as ((Diameter in mm)^2)/162.
give me formula for weight in kg 8mm 10mm 12mm 16mm
d*d/162
formula calculation of steel round bar > Area (square metres) of cross section * 7850 = kilograms per metre length. For other lengths, multiply answer by length in metres.
around 2.67kg
2.9876 kg/m is the weight of steel bar of 22 mm dia..and you use formula for other bars as d*d/162 Where d is a diameter of bar in mm.
The formula bar.
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