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.

how gradation of aggregates effect on slump of fresh concrete?

0 Answers  

---

How to calculate the quantity of materials for M20 grade concrete

1 Answers   CGL, PK,

---

How find out Rolling margin of steel dia.wise?

3 Answers  

---

Why Should Curing Not Be Done By Ponding And Polythene Sheets?

0 Answers   Bechtel,

---

punj loyed and sapurjl palanjl

0 Answers  

---

how did find the quantity of cement ,sand , and aggregate in concreat which is givan by volume

2 Answers  

---

what is the construction cost for per cft of multistorryed building in kolkata?

0 Answers  

---

if we use 1.25 bag of cement 3 pharma metal and 2 pharma crush sand what is the strenghtexpected for RCC column

0 Answers  

---

Explain what is progress payment?

0 Answers  

---

how beam.coloum ,slab, footing are designed as per indian code.. detail procedure?

0 Answers  

---

what is the ingrediants of wet mix macadam?construction procedure?

6 Answers  

---

how ratio is calculated for any grade of concrete. for e.g. sppose M20 requires(x;y:z) quantity of cememt sand and aggregate.

0 Answers  

---