Answer / mallikarjun rao

In this Question M stands for Mix design and 50 or 30 stands for strength i.e 50N / Sq.mm and 30N / Sq.mm.

Answer / dhuvaragancivil

M stands for Mix
50 and 20 stands for compressive strength of the concrete cube after 28 days curing is 50N/mm^2 and 20N/mm^2
cube size 15cm×15cm×15cm

Answer / varun shukla

It represents the compressive strength after 28 days of curing in N/mm^2

Answer / ashutosh gupta

M is Mix Design & 20, 30 or 50 resembles Characteristic Compressive Strength of concrete after 28 days of curing in MPa or N/mm2

what is PEB structure

2 Answers   Adarsh Group,

---

Why are separation membranes used between concrete pavement slab and sub-base?

0 Answers  

---

The Hinged and Roller support is same or differnt if it is differnt how does it differs

3 Answers   HCL,

---

what bending moment?

3 Answers  

---

i want to ecil (Electronics Corporation of India Limited Hyderabad) previous civil engineering question papers immediately please.............

0 Answers   Ecil,

---

what is the sp.gravity of sand?

3 Answers  

---

Tell the least count of a prismatic compass , surveyor compass , Theodolite & how we can determine it ?

2 Answers   UPPSC Uttar Pradesh Public Service Commission,

---

Why shear forces are usually neglected in column design?

1 Answers  

---

Why the finite element method is lower bound solution?

1 Answers  

---

Journal entry Gross salary 10000 Tax 1000 Employee contribution 2000 Employer contribution 2000

0 Answers   Accurate Engineers,

---

What is absolute pressure? How absolute pressure is calculated?

0 Answers  

---

For submitting the project loan for bank Residential bldg,Suppose we take Provinding RCC mix 1:2:4 for footings No of footings,length ,Breadth,Height ,qty in cum, at last unit/Rate(Rs) ,i would like to know how do we get the unit/Rate

0 Answers  

---