Answer / ravi

In 28 days, concrete will gain its complete strength. After 28 days, you can take the strength on any day. You will get the same result. We need the results as early as possible. 28 days the minimum time it takes for the concrete to gain its complete strength. So, we take 28 day strength.

Answer / sha

gud ravi

what is minimum steel area required for rcc slab

4 Answers  

---

please help me i want that steel bar weight kg/foot if anyone have formula so tell me .

3 Answers  

---

what is the ratio of M10,M20,M30,M40,M50,M60 grade concrete

28 Answers   NCC, PWD, SPML, Student,

---

pls send me interview question paper with answer of EIL/AAI/UPSC/RPSC because i am doing prepration of compitation exam of UPSC for the Asst. Executive Engineer

0 Answers  

---

ratio of sand, cement and metal in all concrete mix

2 Answers  

---

stub column means

5 Answers  

---

what is flexible and rigid footing?

0 Answers   IBM, Wah Engineering College,

---

whaat is the difference between opc and ppc

3 Answers  

---

What are wooden shingles?

0 Answers  

---

What is the Specific gravity of Fine and Coarse aggregate ?

1 Answers   Sohar Aluminium,

---

1) why bent up are provided at l/4 or l/5 distance not at l/8or l/10? 2) why extras are provided in beams at top and why upto 0.3l distance max.? 3) why chairs are provided in two way slab?

1 Answers   L&T,

---

how to calculate the bricks in 100yard

2 Answers  

---