Answer / mustafa mohammed layeak

1. Area of 20mm bar is 314mm^2, for 25mm bar is 491 mm^2 and for 32mm bar is 804 mm^2.
2. For a column with 3nos 25mm and 3nos 32mm the total area of steel is = (3*491)+(3*804) = 1473+2412 = 3885 mm^2.
3. Therefore number of 20mm bars required will be = Ast/Abar = 3885/314 = 12.37
Therefore provide 14 nos 20mm dia bars.

what is studds? where it can be done?

1 Answers  

---

how to clculate the %of concrete strenght achive after curing?load

0 Answers   L&T, RJ Construction,

---

how to estimate plastering quantity if the given object is in circular. 12 mm thick both side 1:3 example= i have 8.15 m2 how to estimate quantity

3 Answers  

---

what's the formula for calculate pcc for matt(45mm aggregate)?

0 Answers   L&T,

---

weight rcc m30

4 Answers   Jindal,

---

Floor to floor high of domestic building is 3m design a quarter turn staircase starting assume taken give a suitable diagram of it?

0 Answers  

---

Why does the pressure increase under soil?

0 Answers  

---

it is possiblee to produce concrete with out cracks...

0 Answers  

---

how much weight of 20 mm aggregate in bras?

3 Answers  

---

How many kilograms of 12 mm coarse aggregate required in cufic feet for one cubic meter of M25 grade concrete

1 Answers  

---

i have a bar diagram as straigtht bending, but i maked circle bend, how to i justify to others?

1 Answers  

---

Is there the dry coefficient of cement is constant?

0 Answers  

---