Difference between Development length and Lapping length

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[@engbasim78]

Thank you for clarifying the difference Between the D.L. and L.L. for reinforcing bars, but to be clarified for the lapping positions , that it will depend on what is the layer working on for lapping, that's mean if the lapping will be done for the R,bars in tension side , then it should be at the mid center line of the supports while if the lapping is required to the compression side , then it should be at the mid way of the mid span

[@payalalam8738]

Development length should be as per the printed arrow mark and not what he drew on paper..ie from face of column

[@monuyadav4126]

Lapping is done through basically three methods 1 splicing 2 welding 3 anchoring by mechanical means Splicing: never splice steel bars greater than 36 mm due to eccentric effect For direct tension : max of 2Ld or 30d For flexure tension : max of Ld or 30d For compression bar: 24d In no case lapping should be less than ( 15d or 200mm)max

[@AnwarKhan-yt2kz]

In singly reinforced slab lapping should be at end for bottom rft and doubley reinforced slab lapping should be @mid span for top bars for tension zone we are providing 60d and for compression zone we are providing 50d.

[@abdiqanisaid9492]

how will be when we use lapping in beam structure what is the formula that we use in tension and compression

[@pradeepbharti6643]

Your all video is very helpful for all fresher civil engineers

[@carollane8694]

Very good and clear explanation, thanks 👌

[@jacobvjames5553]

Development length is the length required for the full development of stress in the Steel, and lapping length varies from 50d to 55d from horizontal and for vertical.

[@danberry5702]

Lapping Length AKA “ Length of Splice “ 👍🏾

[@remeshbabu9108]

now a days 50d is used for lap.

[@user-ej6ur3yc6p]

Amazing video...I have one question You are said that , we are not use laping length in slab ....so what use in the slab if we required length of steel more than 12mm Dia ?

[@HabiburRahman-xt2gl]

wow, nice for a young practical site engineer.

[@relaxingforyou8814]

3:46 to 4:20 you are showing wrong dimensions of development length

[@yathunanthan4142]

Very useful video thank you sir

[@korapakaadimurthy5375]

Neatly explained. Tq. Any standard length for development length?

[@gentianhoti6644]

You explain that so well!

[@SanjayMajumdar15081981]

Sir, I think the information is wrong regarding DEVELOPMENT LENGTH Development Length is the length embedded into the column

[@FactualCivilEngineering]

kzbin.info/www/bejne/fnbOaKGcqq-mack watch this link for correct details with examples

[@samiralriashy3211]

Development length should be as per the printed arrow mark and not what he drew on paper..ie from face of column . لديك خطأ يا عزيزي صاحب القناة فطول الديفلوب يبدأ من دخول السيخ إلى العنصر الآخر أكان عمود أو قاعدة وهو موضح بالسهم المرسوم على اللوحة I'm agree with you Mr. Payal Alam

[@rajendrapawar1214]

Nice lectures

[@shoabhussain2428]

Please do vedio on reinforcement detail of beam column slab and footing.Please explain bending of bars at edges spacing of stirrups etc with drawings

[@vloggervaibhav9130]

40×12=480 mm overlapping length Is hisab se to economy tel lene chali jayegi...

[@mahtab220]

As someone said to me on site lapping should be provide on middle of column and as you said that bottom or top

[@deresatadesse5666]

Thanks for your lectures & I have some question what is the clear maximam column size for G+2 story

[@Adventure48392]

Thank u very much for ur Videos.

[@ahtishamkakar6652]

Over all dia of lapping length should not increase than 36mm or we should not use single bar for overlapping more than 36mm?

[@sabariskumar8648]

development length is not what you stated. it is total length of the rebar of column inside the raft for stress transfer. so its a typical L shape in the case you presented.

[@wanglolowang9028]

Thank You sir

[@wajeehahmed2318]

Plz post the video how to calculate the quantity of steel in footings and coloumns

[@AMAZINGVIDEOS-sx3hy]

what is the formula for lap length in beam, column and slab. how to calculate rough stone used in random ruble foundation .

[@rakeshgiridi1682]

Plz use animations to expline bcz animations is very easy to understand @ once think about it

[@engfazalsubhan5381]

For example T 25 mm steel total standard length 12 m so how we have give overlap 25×5= 125 means 1.25m we have required overlap _____________1.25m______

[@phyohtetkoko929]

Noted thank you sir👌👌👌

[@RamAssi25]

Development length is the total length in the adjacent structure and not only the bend length

[@mohanrathod9867]

Hare Krishna thank you so much sir 👍

[@vikassingh-dk8li]

40d or 48d is development length AND also lapping length

[@lkj17]

Development length is length anchored to concrete. You are pointing the leg length.

[@ajayranjangiri1194]

What is development length in beam to column

[@sourabhghuge]

Sir, lapping of still road gives better strength or now day's bolte technology gives more strength ?

[@EngAzlif]

I need some deep details about road engineering ...could you plz

[@jagadeesha5979]

What is lapping joint for formula different elements...like beam,slab,column

[@faridoondanesh1655]

thanks, sir it was so effective.

[@davidtwan2929]

Nice video Sir. Thank you. 👍

[@praqas]

In beam Development length starts from the bend of bar of joint of beam and column?

[@civilaravinth1215]

What is the formula in development length or how to calculate development length

[@GREENARCHDESIGN]

Vasantham Aravinth for more information go to #technicalandvocabulary

[@JDOT22297]

D50

[@Amitkumar-zg5kn]

Ld=sigmst fie/4 taubd Sigmast is yield stress of steel and fie is dia steel Taubd is bond stress of concrete

[@mukrammohd2847]

(0.87fy*dia)/4 tau

[@syedabdulhameed8039]

Your answer is ok x ok then result will be divided by ok development length will be appear on top of ok thank you

[@SHAJINA-jj2ns]

Engineer sir.. Super

[@sabarivs1011]

Weather laping length and development length is taken from overall design length?? Or both is seperate length from design length

[@ellynkwama8603]

Despite your accent ,your tutorial is very helpful let me hit a subscribe button.

[@allahbakash7597]

What should be the length to be taken in development length for different Dia

[@venkateshdaneti7036]

Sir how much length we take for development length like 48*d for lapping length

[@SanjayMajumdar15081981]

venkatesh daneti depends upon tension bar and compression bar Generally it's taken 38d to 50d

[@syedabdulhameed8039]

48 d X ok divided by continuously repeated ok you will get answer that is ok

[@carloaprecio6270]

hi, is 40D and 48 D are formulas to calculate development length as well? and when/where do use 40D and 48D? do u weld or just use g.i. wire to join lapping length?

[@IanexAyag]

Correction, its DE-VE-LOP-MENT LENGTH..not DE-WOP-MENT.. wrong Pronounciation mate..

[@francookotsi1297]

Please shower how to design column and beams

[@AshishPatel-em4ow]

Thanx for knowlede sir ji.

[@inayatkhattak5594]

An other video u mentioned that lapping should be provided at the middle now u are saying that lapping should not provide at the middle...please elaborate

[@kanejaionmangoba5388]

okhey👍🏾

[@swizmarble5219]

Eccentrical Column and beam shutter work in detail plz sir

[@bluedevil7488]

for Lapping joint both material are taken to be same...??

[@arfaatdaanish5336]

Make a video about how to calculate the development length.

[@suryareddy4066]

We can caliculate lapping length by dia*5 10*5 12*5 16*5 And so on

[@sharathgowda7144]

It's 50*Dia sir

[@muhammadnaveedkhan9587]

What should be the formula for development length

[@adventureraja]

Plz explain fero roofing

[@MAnas-el6cd]

if a beam B1 is connecting to a Col from one side and another beam B2 is connecting from opposite side of col. And both beams details is different B1 has 3 Top continues bars and B2 has 4 Top continous bars how will we provide development length and will B2 continues bars extend into B1 or not plzzzzzzz someone .....

[@shahidahmad4937]

Plz describe about lapping zone in column....

[@RAMESHKUMAR-rs4en]

👌👌👌

[@adelkashiba1180]

Plus I need example of Reinforcment Dome And ring beam...Thanks

[@ashishbhagat9258]

great job

[@janardhanbhandari9146]

Nice clarification bro

[@jagadeeshgoniya961]

Difference between anchorage length and development length??

[@saranprajapati4472]

Thankyou so much sir

[@Arki.dyes7221]

as far as i know...development length is from edge of clear span and forming "L" shape. not only that straight bar.

[@udhayakalathangavel8725]

Thank you so much sir :-)

[@abdulrahmanradwan6167]

Nice

[@samishah8090]

Plzz Sami upload videos about bridges and roads please

[@krishnarajupadhyay4819]

Helo, the development length, Ld is counted from the point at which the reinforcement just touches the edge of concrete which is numerically equal to Ld=60*dia of reinforcement (different for different grades of concrete 45d, 50d,60d etc) but you are defining the development length in wrong way........Plz first be confirmed yourself....then then post....otherwise many people are deceived.....

[@LiminNab]

What is Minimum Length of Lapping Length and Development Length Sir.

[@shekfored6083]

tnx sir

[@mystruggle8746]

DAE Civil Engineer حاضری لگوائیں اور بتائیں کہ پورے پاکستان میں کہاں کہاں پے جاب کر رہے ہیں اور کیا سیلری لے رہے ہیں

[@jagadeeswaran695]

Lapping length have an formula 40D, but development length have any formula or not?

[@sudeep2580]

Okay !

[@MrSayarj]

Salam ! I have a question! What is the formula for development length as u explain 45D we can use for laping length mean how much we keep the length

[@shuptoprotivapro926]

Excellent.

[@pritibalasutradhar1295]

What's the lapping length of a column bar

[@vijaykumar-wl5th]

development lenth formula????

[@itsyours5353]

Last time you said lapping must be done at the middle only..?

[@vemulaudaykumar4208]

How to calculate development length in beam.

[@aamirmohammad2763]

nice video sir

[@nasar737]

Sukriya sr jii thanku

[@nibeditabehera6334]

Ty sir

[@Abdullahsaitbuqhari]

What should be the development length span how to calculate it

[@selvanselvan9711]

Error development length we careful

[@gagobebo3537]

Please tell us about length of Development

[@gagobebo3537]

Column at foundation

[@PrK-Mindblow]

What is the formula for develop length ??

[@CastNet24]

Ok!

[@cscsamsung9749]

ผมถนัดเขียนมือขวา เห็นครูเขียนมือซ้ายชอบครับ แต่ผมฟังไม่รู้เรื่องหรอกครับ.แต่เรียนมาแล้วอย่างช่ำชองเลยเข้าใจครับ...

[@kokoydakokoy5424]

This is called, dewelobment length

[@aftabalam67]

Could you double check development length?

[@jaiminmvd9466]

Jay shree Ram bro...good video

[@Khages1017]

What is the formula for development length for all structure

[@prashanthkatravath7126]

How much provide the devlopment length in columns and beam

[@kumarashutosh8126]

Make a video that how clear cover is decided (on what basis).

[@AnwarKhan-yt2kz]

kumar ashutosh for underground beams 4cm and footing 5cm.col 4cm are max dia if the man rft.eg in beam main bar is 20mm so provide 20mm min and so on

[@SuperCOLDRICE]

40 times diameter of 12mm is 20 inches