Welding, Lapping, Coupling of Reinforcement in Column and Slab - Which is Best
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- Опубликовано: 30 сен 2024
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Reinforcement lapping Zone as per IS Code 13920 in Column
• Reinforcement lapping ...
In this video, I am going to teach you Welding, Lapping, Coupling of Reinforcement in Column and Slab - Which is Best
#CivilEngineering #Welding #Lapping #Couplor #Reinforcement #Column #Slab #HouseConstruction #LearningTechnology
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✔L & T - Learning Technology: This channel contains Technical Lectures on "Civil Engineering Topics like BBS (Bar Bending Schedule), Quantity Estimate, Rate Analysis, Surveying, Billing Estimate, House Construction, Civil Engineering Interview Question and Answer, Civil Site Related Videos, How to Read Civil Engineering Drawing, Building Estimate, Metro Rail Construction, Basic Civil Engineering Knowledge, Civil Engineering Softwares " from Personal Field Experience by Civil Engineer Mukesh Sah.
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sach me mahesh bhai apke jaisa detail me koi nahi samjhata youtube pe... kyunki bahot sare log hai jo chanel chalate hai lekin itna detail me koi nahi jata...
bahot log sirf basic me ya defination me lipta dete hai magar apki video sab ke liye sikhne jaisi hoti hai... mai har video dekhta hoon aur samajhta hoon...
kyuki mai infra me kam karta ho to mujhe bhi kayi sari problems aati hai magar apke video se problem solve hoti hai...
so pls keep doin these videos ...
makn ek suggestion dena chahunga ke ho sake to residential ke sath me infra ke components ke upar bhi video banayiye bahot acha hoga...👍👍👍👍
Overlapping provides proper compressive strength in vertical members if laping length is proper.Coupler joints make members in situation but not stand for strength , rebar and coupler bonding may not yield.
Welding in image is worst and wrong construction.. Lapping is the correct procedure to increase height
Sir column 9×12 inches ka column hai jise me 12 mm & 16 mm ka tmt rod hai to Coupling used ker skte hai ...
lapping is best because cost is not important than life of people.. lapping has given instructions in is codes 50d for slab , 24 to 40 d for coloumn , for beam tension 45d, compression 24d and the distance center to center of lapping length should be 1.3 times of lapp length
More than 36 mm ?
NYC bro
Lapping is best. Coupling is very careful work and it needs skilled worker and sincere supervision.
Needs threading which will take extra cost. So work may be delayed.
More need of coupling is best for complete load transfer without eccentricity.
Good information bro
Coupling available hai market main sir best idea coupling
""" Better, LAPPING, 99% ***
Ravi,
Civil Supervisor,
Sir ,
In case coupler joint came in beam junction or slab area is technically wrong ???
number one is lapping and the second option is coupler, welding not accepted
Coupling is recommended for column and lapping is recommended for beam but not coupling and also welding is not recommended for either of ...
Lapping kr k saath Mai welding b krlo zyda mazboot hogjaye
क्या सभी साइज की स्टील मैं कपलर use kr सकते है ????
Thank you sir
Coupling is best
I can said that Lapping i the best from my 9years experience
I hope lapping is best for safety
Lapping
Sir cupling best option hain you right and thanks
Coupling is not bring into practice everyvhere
Vertical bars coupling is ok what about horizontal bars coupling is acceptable or not ?
Good question
Sir for horizontal joints lapping is recommended
Amit thank you 🙏🏻
@@janardhanreddybanala3778 sir lapping for horizontal bars can be done only in columns, other than column, lapping cannot be done in the middle of the beams, so couplers dont work ...
Yes gud question
very nice explanation keep it up. regards
Over lapping is commonly used in building construction.
So in my opinion lapping is best to transfer the load one bar to another bar
Sir amazing informative video thank you sir
😊😊😊😊😊👍👍👍👍👍👍❤❤❤❤❤❤❤❤❤💕💕💕💕💕💕💕💕💕💕💕
In your next video-
1. Explain cost advantages of handling of heavier bars due to lapping, cost of additional handling due to threading machine.
2. Cost of threading machine, Cost of threading per bar and productivity of machine
3. Labour cost savings if couplers are used
Also cost of testing 😂
Really nice video kya aap ka mobile number mil jayega
Make a vedio on estimated comparison on this top
Video banaya hua hain
So super very nice video 👌❤️🌹👍
We are using lapping , in coupler use less steel but lapping is best, more stronger than coupler....
Coupling is the best way
Coupling may be good for column/pillar but not for horizontal beams
Correct
Good sir
सर रड में गुना के लिए बताएं,,👍👍
गुना मतलब ??
Sir mere area me ye coupling nahi mili mane wire rop coupling se join kar rah hu kya sahi hai trika
Lapping is right
coupler is good or no?
I have a problem, we have a house where the column rods have been protruding from the roof for over 16years now we plan on construction of 2nd floor. Problem is one of the rod coming from the roof is cut and for that section can we do coupling , the bar dia is 16mm
Same here....I am too searching for this solution.
Request,bro if U find some solution plz let me know.
Lapping is best.
Tab shyad apne video nhi dekha
It depends
Upto 36dia
Tino best hain bash sahi jagah sahi terike se karna chahiye
Hy sir me swimming pool and faunten kam karta hu
Coupling is better than laping and welding.
No bro in some conditions lapping is good option. And welding is wrost thing don't apply welding in any condition.
Thermite welding best hain .
nice video brother good coupling is also good it reduces cost but i cant feel safe
Lapping ache
Coupling mai jo use hota hai bich mai woo idhar milta hi nai hai.. Iss liye hum lapping use karte hai.. Woo coupling joint kah milta hai..
Ha bhai yaha bhi nahi milta
Coupling is the best 👍 as per my 45 years experience in Mega Engineering Structure
Pravin Shaha, Chartered Engineer and Government Approved Valuers
@SP CREATION'S kitna price hota
Sir ji please bataye... Coupling purchase karna hai...kahailega.
Call 9549549543
Lapping, ❤❤💯
Very nice👍👍 good🇮🇳🇮🇳 Hindi Howarh WB
100%lepping
Lapping and welding do both this good for u
Always explain in a good manner .
ঈশ্বর ঈশ্বরকে,
Useful Video Sir .......
Coupling- Cost of making threads ? How far it is economical and practical?
Soon video will come
Thank you very much Sir 👍👍👍👌👌👌😊😊😊
Very informative. Thanks.
Very nice
Thank you sir 😊
daily I am watching your videos. I learned lot of information in your chanel. In this video Can u please explain how we can threading for tmt steel ? Threaded steel Is readily available in market with coupling?
Jaab slab mein rod bandhna hai usme keya lapping karenge yaa to coupler denge?
Main elect. Engineer hoon, yeh civil ka technical knowledge bohot kaam ate hai. Plz bataiye. Aur contact no. Share kare
Welding is not recommended for reinforcement lapping as it alters the material properties of the reinforcement due to heat produced during welding. Also there is reduction in the cross section of the reinforcement
Hello sir
Agar hum slab ke sath hi lap dety hai column ke liye ?
Please suggest wo shi hai ya nhi
First floor ke baad humare column ka steel enough nhi tha isly slab ke sath hi column ready kar diye hai
Sahi nahi hain
Very very important video sir❤️
Lapping is the mostly better
Really wonderful explanation. For a layman like me, it is explained in simple and short. Tks for sharing.
Rahibul
Sir, ham logon ke yahan coupler nahi mil pata, Kahan se purchase kare, address bataye pls.
9549549543 ispe call kar ke aap baat kar sakte hai
LAPPING IS BEST
😂
Lapping is the best old design best
High pressure gas welding is the best and cost-efficient
Lapping bahut achcha rahega is my challenge hundred
For couple we need to get rod threaded that can also increase cost
And also take time.
सर ये कहा मिलेगा हमे हमारे यहां नही मिला है बिहार मोतिहारी मे
Only over lapping is effective.other aulternates like welding , coupling,the vertcal element(column) may shear up, horizontal element( beam) may effect tensile strength as well as compressive strength.
Nice brother
Precautions while using couplers:
• The threads that are being developed on rebars by automatic threading machine must be observed that their length should be appropriate i.e. if the length of rebar coupler is 90 mm so the length of threads should be 45 mm in case of type-1 couplers. For inspection we must deploy an inspector at the steel yard whose duty should be just to inspect the length of the threads in lot of reinforcement before dispatching to the site for installation.
• In case of type-1 threaded couplers, the inner threads must be made with a die instead of a lathe as the depth of the cut can be varied by later type of production.
• The Contractor may try to hide the excessive threaded portion length on rebar by unacceptable means. Like in one instance, a contractor tried to use cutting disk to grind the excessive threaded portion and then after application of oil used sand to hide the shiny surface. So while inspecting the couplers the excessive length of couplers must be demotivated.
• For the quality of reinforcement production at steel yard a full time QC practitioner should be deputed with sufficient experience in terms of reinforcement production for mechanical splices.
• The Contractor must evaluate the quotations from different suppliers in terms of cost, quality and timely supply of the product. The approval is granted by the Engineer by thoroughly going through the technical performance certificates or test documentation commenting on the couplers.
• The reinforcement bars must be cut by rotatory saw instead of cropping machine. The use of cropping machine results in an inclined end instead of being 90 degree cut therefore in order to engage fully the length of splice coupler the cut angle must be 90 degrees.
• For lubrication in the automatic threading machine, only approved lube should be used and no cheap products or water should be used whatsoever. The quality of lubricant would have direct impact on the thread cut otherwise they would be damaged and would be irregular which not a good practice is.
• The threads produced on the reinforcing bar must be checked in terms of pitch depth and accuracy. Pitch measuring tool or any other suitable tool might help in determination of suitability of the produced thread.
Io
Bro if we have to maintain so much things then lapping is best😂
Best explained....please suggest some references to authentic literature/code for future implementations...thanks
Thks a lot for sharing your experience and me too like you at work place very sincerely as the way you explain above
Can we contact you
I think you are my classmate
You always bring practical and great topic! Thank you from Bottom of my heart..
Can you plz bring something on topic FAR..
Jaye Krishna Janma Asthami!
Thank You.
Shailesh Singh
Sure... Jai Shree Krishna
Coupling ka cost kitna hai ?? Yeh toh batao nd costing ka comparison video kahan hai ??
Ispe alag se video maine banaya hua hain.
Lapping is the best coZ we are in the quake zone 🙏🙏🙏🙏coupling is dangerous
.
Ha sir hame ghr banwana hai disamber mahina se kaise ham ban waye
Dear Sir 1 Question hai
Sir Difference between Pile Foundation And Raft Foundation
2. Question.
Pile Foundation And Raft Foundation which Area me karte hai.
Please sir Give me Ans.
Q1) pile fondation:- below the ground level and used in breeze but Raft or mat foundation both are same used in appartments.it is generally used in that area where soil strata has low bearing capacity.
coupler me thread to h..mgr rebar me thread nhi h ..to kya rebar me bhi theadd bnani pdegi ??? or uski costing firto badh ajegi
Yes
Drawback in coupling is to makeing thread on steel bar in leathe which is costly
श्री मान जी एक राय दीजिए आप हम दो लोग आपस में मिल कर एक नीव बनाई है हो कि ध्यान से उस वक़्त निकल गया बात ये है कि जो विच वालि नीव है वो 9 इंच की ही बनाई गलती से अब हम लोग चाहते हैं उसको कैसे अलग करे जो कि बाद में दिक्कत ना हो
Welding is acceptable with both sides welded in double layers duly chipped of. In this case the overlap will be normally 10 X Dia. of Bar or as per Designer's specification. The Weld is further subjected NDT / X-RAY confirmation for perfect welding. But Weldind is not unacceptable under any circumstances.
nice vodeo
Copping best hai
कपलिंग नहीं करना चाहिए क्यों की अंदर थ्रेड होते है थ्रेड का मतलब सलिए पे कट होना और जहा कट लगा होगा वहा से टूट जाता है...
Coupling is better is used in 32mm bar & lapping used 10mm to 23 mm bar & finally 6mm bar should used in welding
I don't understand your language. But my feeling tell me that LAPPING is strongest, easiest and least expensive of the 3 methods. Right?
Coupling best hai sir
GREAT INFORMATION.THANK YOU SIR JI.
Lappingkarke welding
Boy, You are Excellent!
Lapping is better solution
What if dia of same vertical bar is to be reduced in case of columns for upper storeys....will coupling work?
Yes
@@LearningCivilTechnology but it is very complicated and difficult task to make threading for both Lower and upper bars.what is the solution?
Sir coupling method kya high construction sites par normally hoti kyo ki abhi normal building aur college meh aj bhi lapping method use hota hai
I love you sir ji ❤️ important education
Coupling me steel tensile honese structure failure hojahega..you focusing on easy way, lesser cost, etc,but it's highly risk right? for that kind of reason what is the preventing measure? I believe welding is worst in many cases bcs it loss the strength but lapping is better as compared to welding and coupling not for all factors but i said majorly...
coupler best solution of splicing
Local thekedar :- Lohe ki tar se bandh lo baass khatammmm
Bullet train project me coupling system se kaam ho raha hai..
Yes
Hi I really enjoy your videos. You explain things very well. I have a question; what if lapping method is used but the bar is not bent to make stagger ie it’s just joined straight , is that safe? Is it ok according to IS code ?
No boss
Popular ek hi Jagah joint Hota Hai
Coupling is best