Steel weight formula = πD*2/ 4 × L × density, where w = weight of steel, π = 3.14, D = diameter of Steel bar in mm, L= length of Steel bar =1m and density = 7850 kg/ m3.
How do you calculate steel bars?
Steel Quantity Calculation
(Cutting length) main bar: formula = (l) + (2 x ld) + (1 x 0.42d) – (2 x 1d), where l = clear span of the slab, ld = development length which is 40 d (where d is diameter of bar), 0.42d = inclined length (bend length), 1d = 45° bends (d is diameter of bar) first calculate the length of “d“.
How do you calculate the weight of a steel bar?
If we put 1 meter length for each diameter of steel bar in the formula then we will get the unit weight.
- 6 mm ø bar = 6² x 1/162 = 0.222 kg/m.
- 8 mm ø bar = 8² x 1/162 = 0.395 kg/m.
- 10mm ø bar = 10² x 1/162 = 0.617 kg/m.
- 12mm ø bar = 12² x 1/162 = 0.888 kg/m.
- 16mm ø bar = 16² x 1/162 = 1.580 kg/m.
How do you calculate the weight of a steel bar in kg?
Multiply the total length of bar with the following unit weight. For, 10mm ø bar = 0.617 kg/m. 12mm ø bar = 0.888 kg/m.
- 10mm ø bar = 0.188 kg/ft.
- 12mm ø bar = 0.270 kg/ft.
- 16mm ø bar = 0.480 kg/ft.
- 20mm ø bar = 0.750 kg/ft.
- 25mm ø bar = 1.172 kg/ft.
How do you calculate unit of steel?
The unit weight of the steel bar is calculated by dividing the weight of the steel bar by its volume. For calculating the unit weight of steel bars consider the unit length of 1 meter for all steel diameter steel.
How do you calculate the number of bars?
The quantity is done in two steps.
- (Calculation of Bars No’s) First, calculate the number of bars required (main and distribution both). FORMULA = (Total length – Clear cover)/center to center spacing + 1. Main bar = (5000 – (25+25))/100 + 1.
- (Cutting length) MAIN BAR: FORMULA = (L) + (2 x Ld) + (1 x 0.42D) – (2 x 1d)
What is the length of 12mm steel bar?
Product Specification
| Diameter | 12mm |
|---|---|
| Grade | Fe 500 |
| Material | Mild Steel |
| Single Piece Length | 12 meter |
| Size | 12mm |
How do you calculate reinforcement bar in kg?
W= (D2/162.28)* L
Take the value of diameter in terms of millimeter and length in terms of meters. You will get the results in kilograms (Kg).
What is the weight of 12mm steel bar?
Comparison List of Deformed Steel Bar Size and Weight:
| SIZE (Diameter) | THEORETICAL WEIGHT KG/M |
|---|---|
| 10mm | 0.62 |
| 12mm | 0.89 |
| 14mm | 1.21 |
| 16mm | 1.58 |
What is formula of weight calculation?
It depends on the object’s mass and the acceleration due to gravity, which is 9.8 m/s2 on Earth. The formula for calculating weight is F = m × 9.8 m/s2, where F is the object’s weight in Newtons (N) and m is the object’s mass in kilograms.
How do you calculate kg of steel?
Using this formula for steel weight in kg = D^2/162.28 × L × Quantity, where D = diameter of solid round bar in mm, L = length of Steel bar in metre and Q = quantity of steel, weight of 10mm steel bar = (12 × 12/162.28) × 12 = 10.648 kgs, hence weight of 12mm round bar of 12 metre length is around 10.648 kgs.
What is the weight of 8mm steel bar?
8mm steel bar weight:- weight of 8mm Steel bar is 0.395kgs/m,4.74kgs per piece and 47.4kgs per bundle.
How do I calculate steel in Excel?
Steps to Calculate Steel Quantity
- Enter Length and Width of your slab in ft in Excel Sheet. ( Convert Inches to feet)
- Enter the Thickness of the slab in mm only.
- Enter Main and distribution steel diameter in Excel Sheet.
- Enter Cover Details. (
- Enter Spacing of Main bent bar and Distribution steel bars in mm only.
How are reinforcement bars calculated?
Layout of Rebar for Concrete Slabs
- Convert your longitude measurement into inches: 15 feet x 12 inches per foot = 180 inches.
- Divide your result by the spacing measurement: 180 in / 14 in = 12.87 (round up to 13)
- Add one rebar to your result: 13 + 1 = 14.
What is the length of steel bar?
TMT Rebars are supplied in U bent or straight rods. Length of the TMT Bars are 40 feet. In most cases civil engineers, contracts recommend to buy TMT Bars in pieces, bundles or in tons. The sizes also varies according to the structure of the building.
How do you find the volume of a bar?
The formula for the volume of a cylinder is V=Bh or V=πr2h . The radius of the cylinder is 8 cm and the height is 15 cm. Substitute 8 for r and 15 for h in the formula V=πr2h . Simplify.
How do you calculate column steel bars?
No of vertical bars = 6 nos. the diameter of the vertical bar = 16 mm. Diameter of stirrup = 8 mm.
HOW TO CALCULATE THE QUANTITY OF STEEL IN COLUMN (BBS)
| SIDE A | SIDE B |
|---|---|
| A =500 – 2 Side clear cover A = 500 – 2 x clear cover A = 500 – 2 x 40 A = 500 – 80 A = 420 mm | B =400 – 2 x Top & Bottom cover B = 400 – 2 x clear cover B = 400 – 2 x 40 B = 400 – 80 B = 320 mm |
How do you calculate steel bars on a beam?
Calculate Steel quantity in beam as 2% of volume of concrete = 0.02× 7850× 5.29= 830 kg:- according to using Thumb Rule Steel quantity required in RCC beam should be 2% of total volume of concrete, here steel density = 7850 kg/m3, so quantity of steel in beam = 0.02× 7850× 5.29 = 830 kg.
How do you calculate the number of steel bars in a beam?
Cutting length of bar = (length of the member – deduction for cover on both sides) + development length. Where d is the dia in mm and weight (w) in kg. 7. Add all the weight to get the total steel quantity.
What is the weight of TMT bars?
Calculate the weight of the TMT rods in bundles as per size.
| TMT Size | TMT Rods Per Bundle | TMT Weight Per Bundle |
|---|---|---|
| 10mm (1 Bundle) | 7 | 53 Kg |
| 12mm (1 Bundle) | 5 | 53.4 Kg |
| 16mm (1 Bundle) | 3 | 56.88 Kg |
| 20mm (1 Bundle) | 2 | 59.2 Kg |
What is the largest steel bar size?
#18
Reinforcing bar or “rebar” is available in a complete range of standard sizes, and #18 rebar is one of the largest and strongest. Rebar works to provide additional stability to concrete structures by reducing the weight load the concrete must bear and enhancing its inherent tensile strength.
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