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how to calculate steel quantity in beam - engineer boy- civil engineering 

Engineer Boy Official
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24 май 2018

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Комментарии : 105   
@muhammadebrahim93
@muhammadebrahim93 5 лет назад
wow dear v nice good wishes ahead
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
thank you dear for joining us...
@jagdeezlal3982
@jagdeezlal3982 3 года назад
Hi Engineer Boy, you are the best. Only 2 Engineers teaching Civil Eng. on U tube gives the correct calculation for the bent portion of a crank bar. One don't need trig. calculations to know that a 45 degree triangle ratio is 1to 1 to the squareroot of 2 which is1.414 and not 0.414 ( 0.42 ).I am a Aircraft Mechanic building a 3 story house in Guyana, so i look for technical info. here, but i found that engineers have different standards. Iam confused where to place lap length on the bottom bar of a continuous beam, the same engineer gives an opposite answer at his next lecture. Thanks for correcting that 0.42d to 1.42d. Jagdeez Lal.
@GM-qw9pc
@GM-qw9pc 5 лет назад
Excellent ❤👍
@AbdellaMahmud
@AbdellaMahmud 6 лет назад
Thanks a lot professor. You are the best may Allah preserve you.
@EngineerBoyOfficial
@EngineerBoyOfficial 6 лет назад
ameen......welcome dear... happy to see such a good comment
@rajadhikari2899
@rajadhikari2899 5 лет назад
Uplod vedio on calculation the quntity of material in aquduct
@kondwanimbulo9260
@kondwanimbulo9260 3 года назад
straight forward stuff. great video
@EngineerBoyOfficial
@EngineerBoyOfficial 3 года назад
Enjoy dear 💜💜💜
@faheemkhan-ic4cz
@faheemkhan-ic4cz 5 лет назад
The all dimension should be in same unite
@ABDULREHMAN-fv9uh
@ABDULREHMAN-fv9uh 4 года назад
Your english is very good and abive this your teaching skilld are excellent keep uploading videos 🤗🤗
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
Thank you! 😃
@frogswell8964
@frogswell8964 2 года назад
Hello there !! Are there topics on *Continuous & Cantilever Beam* ?
@md.mizanurrahmanmanik8122
@md.mizanurrahmanmanik8122 6 лет назад
all of your video helpful for us...thanks you.
@EngineerBoyOfficial
@EngineerBoyOfficial 6 лет назад
welcome dear..
@md.mizanurrahmanmanik8122
@md.mizanurrahmanmanik8122 6 лет назад
+Engineer Boy please give me retaining wall rod calculation video..... advance thanks
@tarekhilo5027
@tarekhilo5027 4 года назад
Hello, thank you for sharing the lecture. Is this calculation method suitable for longer beams? Is it suitable to make calculations for a 12meter long?
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
Yes you can use this method for any type of beam
@rashmimanjmdar5671
@rashmimanjmdar5671 5 лет назад
How to calculate which nu of striuup rewuired
@kushalsagara6861
@kushalsagara6861 4 года назад
Beautifully explained sir, please please could post plastering quantity survey
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
thank you, plastering quantity calculation is already been uploaded,
@akshayt9854
@akshayt9854 5 лет назад
Plz make vedio on calculations of material required for slab ( cement sand aggregate )
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
already available
@perezcarladrian3612
@perezcarladrian3612 4 года назад
What is the topic in reinforced concrete design the formula you use? Thank you for answers
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
i did not understand your question
@imransohail2137
@imransohail2137 6 лет назад
good luck
@rudolphc6830
@rudolphc6830 5 лет назад
Thanks for this video, really help full .
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
most welcome dear
@kamaumarcus337
@kamaumarcus337 11 месяцев назад
very good explanation sir 👏
@EngineerBoyOfficial
@EngineerBoyOfficial 11 месяцев назад
Thanks and welcome
@AnimeEdu
@AnimeEdu 6 лет назад
Good video...
@EngineerBoyOfficial
@EngineerBoyOfficial 6 лет назад
thank you dear
@sultaneducatx2630
@sultaneducatx2630 6 лет назад
Beam and frame k slope deflection method k tutorial upload krin plz
@tarifkhan2210
@tarifkhan2210 6 лет назад
sultan academy accha video banao
@umeshbhangare6958
@umeshbhangare6958 6 лет назад
I think hook Should need to be *by 2*9d
@EngineerBoyOfficial
@EngineerBoyOfficial 6 лет назад
9D is for both. 4.5D for one and 4.5D another one So 9D for both. Thats why i do not put 2 there. Thank you for joining me.
@pariansou1426
@pariansou1426 3 года назад
What is the formula D²/162.162 stand for?? Why u use the formula D²/52.9??
@EngineerBoyOfficial
@EngineerBoyOfficial 3 года назад
Both formulas are used to work out steel bar weight in kg. D in above must be in mm where D in below must be in 1/8th of inch. Check the same playlist for derivation.
@GetKnowledgeByYasir
@GetKnowledgeByYasir 5 лет назад
Ok
@SaurabhBhaisare.
@SaurabhBhaisare. 5 лет назад
For Cut length of bent up bars you calculate L/4 =10/4=2.5’ Here concrete cover is not deducted So is it correct plz clerify me i am confused or it is L/4=10’-2*(1’’)/4
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
Concrete cover ignore krdia hai dear.. app ne ju bataya hai wo theek hai
@sultaneducatx2630
@sultaneducatx2630 6 лет назад
jnb ap ki tmam vedios bht helpfull hain Ap bht clearly smjhaty hain mjy mery mtlb ki har vedio yahan se hi milli
@EngineerBoyOfficial
@EngineerBoyOfficial 6 лет назад
thank you for joining us... dira dira manana... mihrabaneee g
@EngineerBoyOfficial
@EngineerBoyOfficial 6 лет назад
thank you for joining us... dira dira manana... mihrabaneee g
@anilkhadka1615
@anilkhadka1615 5 лет назад
how dia comes 6/8 ?
@sainadhetikala7806
@sainadhetikala7806 4 года назад
Sir Give me answer pls ......
@drsadaf8114
@drsadaf8114 Год назад
I in has 8 sotar. We divide by 8 the number of bar so 6/8. For any number of bar to use in inches divide number of bar by 8 ,like for #3 diameter is 3/8 #4 is 4/8 #5 is 5/8 #6 is 6/8 For #8 is 8/8 that is 1inch For #7 is 7/8 etc So on
@drsadaf8114
@drsadaf8114 Год назад
Number of bar repreasent dia of bar in sotars .#6 means 6 sotar .1"=8 sotar. To convert sotar to inch divide by 8.
@mansipandya615
@mansipandya615 5 лет назад
i did not understand the concept of (6/8)" diameter. please explain. can you release next video using metre as dimension?
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
Its simple dear... 6/8 inches means 0.75". Or if you see inches is divided into 8 parts known by soters.. so 6/8" means 6 soters diameter... remember diameter represents the size of bar...
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
Yes. Sure i will try to do videos in metric systems
@michaelshongwe9995
@michaelshongwe9995 Год назад
Thank you sir
@EngineerBoyOfficial
@EngineerBoyOfficial Год назад
Welcome sir
@michaelshongwe9995
@michaelshongwe9995 Год назад
@@EngineerBoyOfficial how can i contact you directly, I need your assistance ?
@EngineerBoyOfficial
@EngineerBoyOfficial Год назад
Check video description
@muhammadbilal7389
@muhammadbilal7389 5 лет назад
should the diameter is not divided by 8 during weight calculation ?
@drsadaf8114
@drsadaf8114 Год назад
That formula has factor 52.09 that is to be used with number of bar.that gives kg/ft then multiplied with total lengh 4 total wt. If u use 6/8 ,factor in denominator is changed.and weight obtained would b kg per inch. There is also a table that u can google gives u weight per feet for specific dia of bar that u can multiply with total lenght 4 total wt.
@jobinkj6563
@jobinkj6563 4 года назад
if the dia is 8 instead of 6 what will be 8/8" instead of 6/8" ? 8/8" wrog or currect
@EngineerBoyOfficial
@EngineerBoyOfficial 3 года назад
if dia is 8 then its 8/8 inches or 1 inche
@devonpeters549
@devonpeters549 3 года назад
Please tell me why I don't get 43.83 ft when I plug the same numbers... I am doing an assignment for structural mechanics and I am referencing from this video.
@EngineerBoyOfficial
@EngineerBoyOfficial 3 года назад
Can be two reasons. 1) you not following BDMAS, 2) my answer maybe wrong.
@devonpeters549
@devonpeters549 3 года назад
@@EngineerBoyOfficial I've used BODMAS but thank you.
@drsadaf8114
@drsadaf8114 Год назад
Sir pluged some value in inches and some in feet . Did not mentioned however conversion to feet in next step but he did actually directly. And answer was obtained by all values in feet that is 43.83.
@sunildutta5333
@sunildutta5333 4 года назад
There r two hooks so length of stirrups will increase!
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
9D was taken for both hooks
@sunildutta5333
@sunildutta5333 4 года назад
@@EngineerBoyOfficial it should be 2*9D,plz clarify
@Lobiminyo
@Lobiminyo 4 года назад
Students usually use mm
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
okay
@annaayaz8664
@annaayaz8664 5 лет назад
W = (D^2/52.9) * L , where D is dia of bar which should be 6/8, then why did you write 6 ?
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
Here D must be in soters. Here 6 is ol
@chayanbhattacharya7963
@chayanbhattacharya7963 5 лет назад
is there it ll be also 9D for stirrup? is it not 2d?
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
this depends upon design... i have uploaded a separate video on this
@chayanbhattacharya7963
@chayanbhattacharya7963 5 лет назад
@@EngineerBoyOfficial ohke
@ZiaKhan-ny2bj
@ZiaKhan-ny2bj 2 года назад
Sir g da column ya da beem ringan ba sanga formula Sara raukhku
@EngineerBoyOfficial
@EngineerBoyOfficial 2 года назад
Video me uploaded kre da quantity survey playlist ke. Hagha check
@beautifulvillage.6945
@beautifulvillage.6945 4 года назад
Here two hooks. But why we calculate one times only. Why. 9(6/8)'' Why not 2*9(6/8)''.???
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
I have taken 9D for
@aghmazsardar3900
@aghmazsardar3900 3 года назад
Why u use dsq/52.2 Its for ft Is dsq/533 .... Kindly clear this
@EngineerBoyOfficial
@EngineerBoyOfficial 3 года назад
proof and derivation of this formula is uploaded in the playlist of "quantity survey" please watch that
@bbcakesedmund774
@bbcakesedmund774 4 года назад
What does the 52.9 in the formula represent?
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
Derivation to this formula is been uploaded , watch to discover your answer
@bbcakesedmund774
@bbcakesedmund774 4 года назад
@@EngineerBoyOfficial that doesnt help me. Where do i get that version? Can i het a link please? Because atm i dont see it
@mukeshsah1932
@mukeshsah1932 4 года назад
plz provide link of this video
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
Its free you can watch here on youtube
@ZiaKhan-ny2bj
@ZiaKhan-ny2bj 2 года назад
Assalam 0 alaikum sir g sanga yai
@SanketPatil-pj9xo
@SanketPatil-pj9xo 5 лет назад
sir, you don't convert values in same unit.....
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
i do when its needed. where there is no need i do not,
@theslickking-majura5799
@theslickking-majura5799 3 года назад
I STILL DONT UNDERSTAND WHY ITS 6/8 INCHES KINDLY EXPLAIN THIS OR TELL ME WHERE I NEED TO RESEARCH ON THIS. YOUR QUICKEST RESPONSE WILL BE APPRECIATED
@EngineerBoyOfficial
@EngineerBoyOfficial 3 года назад
Its easy, if i say its #3 bar that mean 3/8 inches, If i say its #11 bar that means 11/8 inches. 6/8 inches is the diameter of rebar for #6 bar.... Thats number (3,11 and 6) represent the 3rd, 11th and 6th part of inche
@sankarkalita5467
@sankarkalita5467 2 года назад
What is 6 by 8 inches
@EngineerBoyOfficial
@EngineerBoyOfficial 2 года назад
6 by 8 inches mean 6 divided by 8 inches (6/8)^2
@Engrwaleed555
@Engrwaleed555 5 лет назад
Interesting lecture. But the quantities are not super accurate.
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
hmm. thank you for comment. may i know how to make it super accurate?
@Engrwaleed555
@Engrwaleed555 5 лет назад
@@EngineerBoyOfficial Dear we have to deduct the bents. 1D for 45 degree bend, 2D for 90 degree bend and so on. Some times it may cause problem during cutting of steel on site. If we dont deduct bents then some stirrups might be tight some might be lose. I know some surveryor s don't consider bends during their calculation which is ok but considering bends may prevent site engineer from a headache on site. Nur kho sir jee taso kha poye ge. Za kho staso shagird yam 😁
@Engrwaleed555
@Engrwaleed555 5 лет назад
@@EngineerBoyOfficial Also the perimeter of the stirupps should be its centerline not its outerside. You calculate it upto outer face. Perameter should be 2(a+b) where a= width of beam- 2*Clear cover - 2*bar dia of stirupps bar. (To reach to the centre line). Same goes for "b". Then ofcourse we add hook length to it (12D is now a day prefer by structural designers instead of 9D) and then we have to deduct the bends. So we have 3 90 degree bends in stirrups, therefore we have to deduct 3(2D) from total cutting length of stirrup bar. We deduct bends because when steel is bend down it elongates at that bending point.
@usman_599
@usman_599 4 года назад
Sir kindly first tell how to calculate no.of bars
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
Already uploaded
@user-mo6fs6wj1y
@user-mo6fs6wj1y 10 месяцев назад
Main bar is answer wrong calculated
@ArifKhan-gv2zb
@ArifKhan-gv2zb 5 лет назад
you saying peet that is not peet its feet
@EngineerBoyOfficial
@EngineerBoyOfficial 5 лет назад
yeah, thank you dear
@aasimsaeed8276
@aasimsaeed8276 3 года назад
stop over acting .. btw good lecture
@EngineerBoyOfficial
@EngineerBoyOfficial 3 года назад
Okay ok😂. Thank you for compliment dude 🥰💕
@srsnewshindi7483
@srsnewshindi7483 5 лет назад
kahe angrezi ki tang todte ho be?
@familylover...9145
@familylover...9145 4 года назад
Can't understand any thing 😔😔😔😔🤯🤯🤯🤯🤯🤯
@EngineerBoyOfficial
@EngineerBoyOfficial 4 года назад
oops
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