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Steel calculator for beam is an essential tool used in the construction industry to accurately determine the weight of steel beams.

- There are 2 types of bars in a Beam: Main Bar & Distribution Bar
- Main(Top) Bar Diameter = 16 mm
- Number of Main(Top) Bars = 3
- Distribution(Bottom) Bar Diameter = 20 mm
- Number of Distribution(Bottom) Bars = 3
- Length of Beam = 4500 mm
- Width of Beam = 230 mm
- Depth of Beam = 600 mm
- Diameter of Stirrup(Ring) = 8 mm
- C/C distance of ring(mm) at supports= 100 mm
- C/C distance of ring(mm) at mid supports= 150 mm
- Concrete Cover = 25 mm
- We are using a Steel grade of fe500

**Step 1 – Calculation of cutting length for Main(Top) & Distribution(Bottom) Bar’s **

Cutting Length of Main Bar = Length + Development Length(on 2 sides) – Bend(on 2 ends) – clear cover

Cutting Length of Distribution Bar = Length + Development Length(on 2 sides) – Bend(on 2 ends) – clear cover

Here , Development Length = 50D & Bend =2D ; where D= Diameter of Bar**Cutting Length of Main Bar** = 4500 + 2x50x16 – 2x2x16 – 2×25 = 5986 mm**Cutting Length of Distribution Bar** = 4500 + 2x50x20 – 2x2x20 – 2×25 = 6370 mm

**Step 2 – Calculate the Number of Stirrups**

Number of Stirrups required = 2xStirrup(support zone) + Stirrup(mid support zone)

= 2[(L/3)/spacing at support + 1] + [(L/3)/spacing at mid support + 1]

= 2[(4500/3)/100 + 1] + [(4500/3)/150 + 1]

= 43

**Step 3 – Calculate the Cutting Length of Stirrup**

Cutting length of Stirrup = Perimeter of stirrup + Number of Bends + Number of Hooks

= 2(a+b) + 3 numbers of 90 degree bends + 2 numbers of hooks

= 2(a+b) + 3x2xd + 2x2xd

Here, a & b are the Width & Depth of the beam ; d is the diameter of stirrup

Cutting length of stirrup = 2(230 + 600) + 3x2x8 + 2x2x8

= 1740 mm

**Step 4 -Total Length Calculation**

Total Length of Main(top) Bar = 3 x 5986

= 17958 mm = 18 m

Total Length of Distribution(bottom) Bar = 3 x 6370

= 19110 mm = 20 m

Total Length of Stirrup Bar = 43 x 1740

= 74820 mm = 75 m

**Step 5 -Calculation of Steel Weight**

Weight of the bar as per their length and diameter by following the Formula: –

Unit weight formula for kg per metre =(D2/163) × L kg/m

Unit weight for feet per metre = (D2/ 533) × L kg/ft

L is the required length of a Steel bar of Diameter D

Weight of Main Bar = (162/163) x 18 = 28.27 Kg

Weight of Distribution Bar = (202/163) x 20 = 40.08 Kg

Weight of Stirrup Bar = (82/163) x 75 = 29.45 Kg

**Final Result**

** Total Steel Weight = 28.27 + 40.08 + 29.45 = 97.8kg**

**Precision:**Steel weight calculators provide precise estimations of beam weights, enabling architects, engineers, and contractors to effectively plan construction projects.**Cost Efficiency:**Accurate weight calculations help in estimating material costs more effectively, avoiding potential budget overruns.**Structural Integrity:**Calculating beam weights ensures that the selected beams can handle expected loads, maintaining the structural integrity of the construction.**Safety Assurance:**Properly sized and weighted beams are crucial for ensuring the overall safety of a structure.

**Accurate Input:**Ensure precise input of beam dimensions, including length, width, and height, into the calculator to obtain accurate weight calculations.**Select Appropriate Steel Grade:**Consider the specific steel grade to meet the required standards for strength and durability.**Consider Load Factors:**Account for anticipated loads during calculations to ensure the beams can safely support the intended weight.**Regular Updates:**Stay updated with the latest steel weight calculation formulas and standards for accurate and up-to-date results.**Double-Check Results**: Verify the calculated weight values using multiple calculators or manual calculations to ensure accuracy.

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