Answer / menaka

We can say some proportions up to M20 which is called nominal mix..beyond this like M30,M40 we can't define this proportions of cement and aggregates roughly without designing ..it should be designed on the basis of properties of material in such cases..it's called design mix

Answer / srikanth

M20 is the Nominal mix.It is used in the common slab which have design for the Low Load. 
M25 is the Design mix.It is used for the Design slab for the required compressive strength for the Design load Obtain.  

What is the Steel bar spacing formula for Concrete Slab?

4 Answers   B L Kashyap,

---

how is shear resisted in a structure?

2 Answers  

---

How to identify the vitrified tile and ceramic tile by observation only after executing the job.

0 Answers  

---

what is the difference between factor of safety and partial safety factor.??

2 Answers   KJH, NTPC,

---

what is the quantity of formwork in shuttering and barbending is done by 1 mason and 1 helper

4 Answers   CPWD,

---

What is the density of steel? what is the IS code for steel structures? 1t/m2 = ?KN/m2 ??

3 Answers   Rites, UltraTech,

---

what"s the sort of beams?

0 Answers  

---

The mixture of different ingredients of cement is burnt at?

0 Answers  

---

how do you stabilize a waterlogged area in road construction

0 Answers  

---

how much weighs a square feet of slab of 5 inches thick

2 Answers  

---

If we don't have drawing for Excavation of building,At what rule we will go for excavation and how much depth will go for a villa?

0 Answers   Jain Housing,

---

what is flashing?

0 Answers  

---