Every Engg. know that =dia*dia/162.2 is Steel weight Formula, But very less people Know that orgin of 162.2 asumption.

Answers were Sorted based on User's Feedback



Every Engg. know that =dia*dia/162.2 is Steel weight Formula, But very less people Know that orgin o..

Answer / rajnath rajbhar

Density of reinforcement steel is = 0.00785 kg/mm2 for 1 mm length
Apply formula M=D x V

M = (0.00785 x 3.142 x d x d)/4
M = 0.006166175
for remembering we are using 1/162.2 as it is equal to 0.006166175

So for unit weight we use = (d x d)/ 162.2

Is This Answer Correct ?    43 Yes 7 No

Every Engg. know that =dia*dia/162.2 is Steel weight Formula, But very less people Know that orgin o..

Answer / bilal ali khan

Kamaal karte Hoon Main Batata Ho Aur Exact Nikal Ke Dikhata Hoon
Weight=area x thickness x density=LENGTH X AREA X DENSITY
densiy of steel=7850kG per m^3
area=(22 x d^2)/(7 X 4)=(PIE X D KA SQUARE)/ 4
LIS LENGTH
NOW WEIGT=(7850 X L X 3.14 X D^2) / 4
WEIGHT=(L X D^2 ) / (4/(3.14 X 7850))
WEIGHT= (L X D^2) / 0.0001618
NOW U KNOW IN CONVERT L INTO M AND D IN MM U WILL GET UR RESULT dia*dia/162.2
So i know its origin exactly

Is This Answer Correct ?    9 Yes 0 No

Every Engg. know that =dia*dia/162.2 is Steel weight Formula, But very less people Know that orgin o..

Answer / vj

weight=density*volume
weight=density*area*length
here,density=7850kg/m^3=7850kg/1000000000mm^3=.00000785
now,
weight=.00000785*3.14*d^2*length/4
weight=.00000616225*d^2*length(m)
weight=.00616225*d*d

Is This Answer Correct ?    3 Yes 2 No

Post New Answer

More Civil Engineering Interview Questions

fluid flow takes place due to its:- viscosity,comprssibility,surface tension,deformation undershear force

3 Answers   SSC,


how many re use can use shutting material. timber ? ply? steel? plastic? fibre? aluminium? Doka?

1 Answers   L&T, Puravankara,


4. Differentiate between NC and OC soils. Draw curves for (i) Stress vs Strain (ii) Volume charge vs Strain (iii) Pore pressure vs Strain for these soils

1 Answers  


Analyze the rate for 1st class brick work in superstructure with 1:6 cement sand mortar. Consider 1000 cu.ft quantity and work out the rate per cu.ft

1 Answers  


In cement making,what is meaning of blend,fineness,density. 

1 Answers   UltraTech,


Construction joint of beam & slab is provided at––

1 Answers   Construction,


the internal dimensions of a ware house are 15m *5.6m and the maximum height of piles is 2.70m find the maximum numbers of bags to be storedin two piles

1 Answers  


How to replace dia of bar in beam like 25mm 3no.S at bottom But due to some reason on site 25mm bar is not available Then is it ok to provide 20mm 4no.S? Give description or Formula to calculate area of steel and replacement?

3 Answers  


what is the exact dia of 8swg and 10swg gabion wire

1 Answers  


Is bulkage is considered in crushed sand? if yes..then what is the percentage ??

1 Answers  


Why steel rods are produced only in even dimensions?

1 Answers   Billimoria,


how to calculate valuation for the old building?

1 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5086)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4453)
  • Electrical Engineering Interview Questions Electrical Engineering (16638)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)