How to Calculate Development Length of Steel Bar in Beam | कहा से आता है 40D ,24D ,64D etc
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sir mene bahut vedio dekhi uname se ye sabase best vedio he
Thanku very much sir for sharing this knowledge full video ,now my doubt become clear due to ur good explaintion god bless u ,love u from jammukashmir
Thanks brother
Sir, you forgot to deduct clear cover in Ld
300-25 = 275
Right 👍
excellent development length formula & calculation for top & bottom main bars #
Sir I love you for sharing this information 😍
bestest explanation ever ❤
thankyou sir for being so great....
Sir g apne development length 1300 consider ki ok par 1300 development length me se column ka outer face ka cover bi tho deduct hoga, jo apne nahi kiya hai, 🙏🙏 ,
Bhaisab pura video toh dekho sahi .... jo tu bata rah h..included hai video me... Watch full video and say ...
Wrong bta rhe h ye
Excellent video sir
Sir Aap video banaye nice video
Sir secondary beam ma development length kaise provide karenge
Sir kya ye commercial building k liye hai ya residential house k liye jisme coloumn 10/10 ya 10/15 ka hota hai?
I sir, totalty confused after watching vedio.
need to know one thing.
if column (9'' x 9" , having bars 4 no. of 16mm dia.) have 1.5'' of cover of each side and BEAM is passed through the center of Column.
The cover size of beam (1.5'' cover of column face + 16 mm column's bar + 16 mm beam bar and so on) will increase to 2''-2.5''? and solution for this?
can you plz clearify it or make a vedio on it.
as no IS CODE mention this COLUMN - BEAM JUNCTION COVER issue?
Sir you say at last we can provide less development length in compresiòn zone ..i cant understand why ??
Really helpful video
Thanks for give us site information
Thanks brother keep watching
In the degree, we've read that Ld
Very very good.
Please Make a video on Form Work Calculation.
Nyc as usual
At the junc of col and beam.... upper fiber is tension and lower fiber is comp zone... and in span this is vice versa
Bentup bars also provide at ends support of simply supported beam then their how we arrange n provide development length??
Jo bhim bhai aap dikha rhe usme Jo stel bdha h usme kafi Jayda gap h steel or ring ki outer side m ye to glat h na
Sir stress main 0.87×500 put karenge na
sir yee jo bond stress ki value lii hai wo to tension mai use karte hai... compression mai too 25 % badhana hai
sir please make a video on building estimation by centre line method
One question.
Suppose hamare paas floor height hai 3m, beam depth hai 450mm. Column ki casting ki 2.7 m ab slab ki liye formwork ho gya, hamai beam ke liye Ld provide Karna hai 1300mm is case me practically 1300 mm ka Ld kaise provide kaise karenge please explain...
Thank you so much sir
Yech hona tha meko clr... 👌
Thanku sir ji
Please make video on face bar cutting length
Bhaisahab taubd ki value alag alag hoti he konsa load lag raha hai us hisab se
Thanks you sir 😘😘
Thanks sir. Sir mere Ghar ke roof me crack aa gya hai. Abhi 3 month huaa hai aur Rcc ke upr side crack aa rhai hai. Please help me sir
Thank you
Thanks sir
Good information
Thanks brother keep watching
How to divide 1300 into 300 and 1000
Thnak you
HI sir, totalty confused after watching vedio.
need to know one thing.
if column (9'' x 9" , having bars 4 no. of 16mm dia.) have 1.5'' of cover of each side and BEAM is passed through the center of Column.
The cover size of beam (1.5'' cover of column face + 16 mm column's bar + 16 mm beam bar and so on) will increase to 2''-2.5''? and solution for this?
can you plz clearify it or make a vedio on it.
as no IS CODE mention this COLUMN - BEAM JUNCTION COVER issue?
Sir kindly rply on this one
Nominal cover ke bare mai btaya ni sir aap ne
Sir aap kahan pr job karte ho
Plz sir batiye ...
What about cover deduction
1m development length is it possible.
L bend = 2/3 * Depth of beam r/f
Bond stress depnds upon
grade of concrete,
grade of steel ,
compression or tension condition and
WSM or LSM design
Ok
Ok sir
Sir my column is already casted and I have not left empty for it,what to do?
please send pics
on whatsapp no 7006672812
Sir aap stree in bar=0.87x500 hoga
Anchorage length= Ld+10d-bend
Sir, ek baar cavity wall pr video banayie
zarur brother bnata hun
If column width is too more then. Like 9"x 36" then
👌bro
1000mm down ward kaise dalenge column ke andar
Tau bd , m20 grade concrete = 1.2
Brother. Mujhe ek baat samjhao. Ager mera column 9" ka h or beam ki depth bhi 9" h. Or mera steel 20mm h. To 50D ya 60D ke hisab se km se km 3 feet aati. Development lenght. But acording to site 16" development lenght aati
site pe galat kiya jayta hai
Sir apne 300mm ka column me covering deduct nahi kiya
Jo picture aapne show kiya h....usme stirrup galat tarike s diya hua h.....kaafi gap h....not tightly tied
Hako sar ye bataye L10D ke matlab Keya hotahe
Development formula 0.87 fy where did you throw
How is possible 1 m ld if beam depth is 600 mm
Agree. 1meter development length seemed very very long. It will be longer than the beam itself
Dear u 4gt:
Sigma s = 0.87 fy,
And fy is 500.
Not sigma s is 500...
Sir please explain how to create bond of column with wall
simple brother hacking n checken mess
check playlist you will get video on it
Providing mesh at coloum wall joints it avoid cracks and increasing bonding between both
Beam tar 600mm Aasel tar 1m ld kas gheych
300- cover hoga na jab column h 300 ka hoga to kaise loge wo batao
Tau bd ki value kon se IS code se li h
Is 456
Sir please a v video on lapp
check playlist ..video hai uspe udar
Sir how to give that 1.3m development length when column is already casted?
you have to leave column empty for it
if allowed provide "C " shape bar with same length
Aur Beam Ka Niche Wala Sariya Kya Slab K Upar Tak Jayega ?? Calculation me Kuch problem hai Aisa Kahan Hota Hai , Please Recheck 🙏
आवाज बहुत कम है।
Bhai 65 to nahi aaya aapne kaise calculate kiya
Iska length kaise nikale
4 कहा से आया सर 4*1.92. 4 क्यू आया समज नाही आया
In this case tention zone top & compression zone bottom hoga.
kyu brother bo cantilever beam nahi hai
Lintel beam mein dena jorurat he
Koi to btao 4 kaha se aaya
Sir 1 MTR to possible nhi hai dena
Sir Value of ¿bd for m15??
db ?
@@civilsitevisit tau bd ki value for m15 sir?
For M15, Bond Stress - 1 N/mm². It's given to IS 456 : 2000 Amendment No :04.
It should takeen. 87fy
Beam 450mm Aasel tar
How we will get Tbd Value
From IS code brother
For every grade of concrete design bond is as per clauses in civil book it's mentioned in table 26.2.1.1 .for M20/25/30/35 =1.2/1.4/1.5/1.7
If M20 plain bar then Tbd would be 1.2 .if deformed bar 60% increase if compression bar 25% increase. TBD 1.2+(60÷100)*1.2 ...similarly in comparison apply as grade you will get answer
Sir if instead of 500D(given in design)I had used 550D in structures but provided development length according to 500D,Will structures will be safe ?
Actually, "Sigma S" is the stress developed in steel. So, It's not exactly the grade of steel. It is 0.87 x "Grade of Steel". So, the value of "Sigma S" for Fe550 is 0.87 x 550 = 478.5 (approximately). So, the actual value of development length is a little extra considered already as per the formula shown in the video. So, the structure is safe, not to worry. But it will not be safe in the case Fe500 is provided instead of Fe415.
250+1050
Sir if there is a change in using grade of concrete ,which member bon stress we should take (i.e either column or beam)......?
Sir aap ne clear cover kam nahi kiya
sigma s= 0.87*fy hai..why u use only *500
th-cam.com/video/06xiaDuCaNM/w-d-xo.html, refer this one
But sir divide 4 Ka KY mtlb h
Stress taken wrong.pl study and learn ur self and then make video
Worng concept tension is in top fibre of the beam therfore steel in the top is considerer...
Ska video banakar
For Fe500
fy= 500N/mm2
Sigma st is not 500
Ok
0.87*500
Development length 1300 mm hai , to column size 300 mm hai 300 mm horizontal aur 1000 mm vertical me Kiya to cover depth (50mm) bhool gye ho .!!!
etna chlta hai practically
Bakwas
Beam m 1000 ka l aa jayega
3 feet beam😜
1. To transfer load from beam to coloum.
2. To avoid sliping of beam reinforcement.
3.To hold reinforcement at coloum beam reinforcement junctions ... development length differs based on size of diameter of bar and nominal cover.
Thank u sir 🙏🙏
too much steel ....very wrong design
LD +10D....this is correct
yes ofcourse but this is also correct
ld + 10db
Ld+10d for what bro?
When we found Ld with this
Then what's 10d?
What's it's use?
U r wrong bro
Nyc as usual