Answer / suresh

Rolling margin is the difference between the actual and
theoritical weight of steel sections. It may be up to 1%. +
means overweight and - means under weight

Answer / sandeep reddy

it means difference of actual weight and theoritical weight of steel.

for 8 and 10 mm =7+_
for 12 and 16 mm=5+_
for 20 and above =3+_
as per IS Code

Answer / kumar

yes you are right

what is rigid pavement

3 Answers  

---

what is the percentage of tolerance in the steel bars

1 Answers   Sunset Real Estate,

---

what is meant by camber

1 Answers   NCC,

---

what is work of planning deptt. in any construction compny (in road project)

0 Answers   bscpl,

---

numerical example of solving water cement ratio

3 Answers  

---

How many kilo of binding wire required for one ton of reinforcemet steel binding?

17 Answers   ECCI, L&T, Shri Janani Homes,

---

In which direction is bottom bar of rectangular footing is placed in short or long.

1 Answers   AKC,

---

Formula for calculation volume of essentric footing

0 Answers  

---

about higyway engineering

1 Answers  

---

Wat is the optimum value of tensile strength of concrete after 28 days??

1 Answers  

---

how to calculate the motor percentage in brick massonary

0 Answers   L&T,

---

How to come 1.54 from dry to wet concrete? 

0 Answers   ASZ, L&T,

---