CORRECTION Kindly furnish the relation between 7 days strength & 28 days compressive strength of Cement Concrete cubes. Can you clarify whether the relation gets altered due to various WATER-CEMENT ratios and type of cements?

2 Answers  

---

How manu days after the casting of a slab another slab can be casted above it? what is the total curing time of a slab if ponding is not done on it?

6 Answers  

---

What are the specification of good quality sand for plaster and brickwork?

2 Answers  

---

How do we get this formula Ast=(0.5Fck/Fy) into(1-(in sqrt(1-((4.6Mu)/Fck.bd^2))into bd Fck=grade of cement i.e M25, M20 Fy=grade of steel i.e.Fe415,Fe250 Mu=moment b=width d=depth 

1 Answers  

---

which is the cheapest type of temporary flooring(say for using 6 months on)?

1 Answers  

---

---

The ff slab casted its thickness 100mm.2nd floor slab will be casting its 300 mm.how we shall be given suppot to that 300mm thk slab.ple way me

3 Answers   Brigade,

---

number of standard bricks need 1 cubic meter

9 Answers  

---

How is the strength of cement measured?

0 Answers  

---

What is difference between load bearing structure and frame bearing structure ?

2 Answers   Sathiapal Engineers,

---

What is the calculation for finding cement and sand for 10' * 12' area ratio 1:6 thickness 12 mm

3 Answers   DLF, JVS,

---

how to identify np3 pipe and np4 pipe

0 Answers   NCC, Petron ltd, RCC Laboratories India Private Limited,

---

A roof has a U value = 0.65 W/m2 .C. Extra insulation is to be provided. This insulation has a thermal resistance = 1.5 m2"C/W. Calculate the new improved U value.

0 Answers  

---