Abrasion Test by Los Angeles Abrasion Testing Machine | Abrasion Test on Road Aggregates

This video shows how to conduct Abrasion Test on Road Aggregates by Los Angeles Abrasion Testing Machine, abrasion values for different types of pavements is also given in the video
Due to the movements of traffic, the road stones used in the surfacing course are subjected to wearing action at the top. Resistance to wear or hardness is hence an essential property for road aggregates, especially when used in wearing course. Thus road stone should be hard enough to resist the abrasion due to the traffic. When fast moving traffic fitted with pneumatic tyres move on the road, the soil particles present between the wheel and the road surface causes abrasion on the road stone. Hence in order to test the suitability of road stones to resist the abrading action due to traffic, tests are carried out in the laboratory.
Abrasion test on aggregates are generally carried out by any one of the following methods.
1) Los Angeles abrasion Test
2) Deval Abrasion test
3) Dorry abrasion test
Of these tests, Los Angeles Abrasion Test is more commonly adopted as the test values of aggregates have been correlated with performance of studies. The IS Standards has suggested that wherever possible, Los Angeles Test Should Be Preferred.
APPARATUS REQUIRED are as follows.
1) Los Angeles abrasion Test
2) Weighing scale
3) IS Sieve 1.7 mm
4) Course aggregates
PROCEDURE:
1) Take Clean and dry aggregates weighing 5 Kgs is taken as test specimen and placed in the cylinder
2) The cover is then fixed dust tight.
3) The machine is rotated at a speed of 30 to 33 revolutions per minute. And rotated for 500 revolutions. The machine should be balanced and driven in such a way as to maintain uniform peripheral speed.
4) After the desired number of revolutions, the machine is stopped and the material is discharged from the machine taking care to take out entirestone dust.
5) Using a sieve of size larger than 1.7 mm the material is first separated into two parts and the finer is taken out and sieved further on a 1.7 mm sieve
6) The portion of material coarser than 1.7mm size is weighed correct to one gram.
I Sincerely thank my students Mohammed Sameer, Manjunath Pujari and Guruprasad Gondi for their assistance.
Big thanks to my Institution KLS Shri Vasantrao Potdar Polytechnic for permitting to carry out this experiment
#abrasiontestonaggregates #losangelesabrasiontestingmachine #abrasion

[@usmanmushtaq3733]

Sir I salute your way of teaching methodology you are so great man and lastly I agian salute from Pakistan.

[@structuralanalysisanddesign]

Thank you so much Usman, we happy our videos helpful to you, all the best, keep watching and kindly checkout channel membership feature

[@calvindete6577]

Very educative,thank you.

[@bashiryousif9812]

Nice explanation thanks

[@structuralanalysisanddesign]

Thanks for watching, keep supporting

[@IpremiumSsarcasmi]

Sir Pa jeet, you are amazing

[@swarupchandanandanand808]

Outstanding explain sir 💕 I think other branches students are easily understood when they watch the video Once more love you sir 💕💕💕💕

[@venkych3504]

It was really helpful for our lab internals thank u so much sir

[@civilaspirant1092]

Thank you so so much sir❤❤❤ Really helpful

[@structuralanalysisanddesign]

Always welcome, its really feels nice to help through videos, keep watching and sharing

[@DKD-jf3ht]

Fantastic sir,... Keep up the great work. Best of luck!

[@structuralanalysisanddesign]

Thanks a lot! I am happy my content helped you, all the best, keep watching and sharing

[@geokobbytech1950]

I AM IMPRESSED WATCHING THIS VIDEO

[@structuralanalysisanddesign]

Thank you, keep watching and keep sharing

[@richalbidikar1817]

4.75 mm sieve

[@danishhasan8380]

Answer is 4.75 mm IS sieve

[@chetansmemecircle9888]

Tq sir ,we required this type of explaination good to see sir.

[@structuralanalysisanddesign]

You're most welcome, we are happy this video helped you, keep watching and supporting, all the best

[@nicolelumbab5243]

Thank you sir!

[@structuralanalysisanddesign]

You are welcome!

[@munnaislamcivilengineer6954]

Love from Bangladesh

[@mohamedsameer4329]

4.75mm sieve

[@vamshikrishna2981]

Sir it's my request to do more videos on structures as soon as possible

[@structuralanalysisanddesign]

Which specific topic you want Vamshi??

[@vamshikrishna2981]

Design of water tanks

[@structuralanalysisanddesign]

i will try to do it as soon as possible

[@punjabimunda2225]

4.75 mm sieve is used for both coarse and fine seiving

[@amirhusain2353]

Good sir and thanks for help us

[@sameetvernekar5894]

4.75mm

[@meshanqamar4498]

4.75 mm Sieve used to determine fine to course aggregate

[@vaibhavmishra2609]

Fantastic explanation sir 👍🏻🙏

[@structuralanalysisanddesign]

Thank you so much, all the best

[@vitalvibes3]

best explaination sir

[@structuralanalysisanddesign]

Thanks for liking, keep watching and sharing, all the best

[@ameylokhande219]

Thank you so much sir.

[@structuralanalysisanddesign]

Most welcome and all the best

[@funvidzGT]

Why didn't you Sieve the material on the individual sieves 19 mm 12.5mm 9.5mm try ASTM standard ok

[@gahirjor3259]

Very helpful

[@structuralanalysisanddesign]

Thank you, keep watching

[@ravishanarwan2536]

Thankyou sir 😁 ... Thankyou so much 🙏

[@structuralanalysisanddesign]

Most welcome 😊keep watching, all the best

[@sharathbs4215]

gud presentated

[@structuralanalysisanddesign]

Thank you, keep watching

[@sharathbs4215]

@@structuralanalysisanddesign please make PWD JE classes Syllabus wise

[@rajeevguntha5177]

thank you sir.

[@Nakshatra_02]

Thank you sir

[@structuralanalysisanddesign]

Welcome, All the best, keep watching

[@user-gaurav.1]

Thanks a lot ❤️❤️❤️

[@structuralanalysisanddesign]

Always welcome, all the best

[@nandankumar1760]

It's nice tq so much

[@MuhammadKhan-os8or]

Seie No.4

[@pavankalyan7574]

Very nice sir

[@structuralanalysisanddesign]

Thanks and welcome, keep watching for more civil engineering related videos

[@swanandherekar4871]

4.75 mm

[@goldsstage4521]

perfect👍

[@NitinKumarTiwari]

Superb

[@structuralanalysisanddesign]

Thank you! Cheers! All the best

[@somzuali1765]

Sample A and B have LA abrasion values 15 and 30 respectively which sample is harder?

[@rickyrickalvous2982]

Sample A

[@koustubghasari8695]

Nice one sir 💯💯💯💯💯🔥

[@structuralanalysisanddesign]

Thank you

[@madanrathod4795]

Tq sirr

[@shreyapatil6832]

4.75

[@CivilEngineerShubhamGupta]

10mm and 4.75mm

[@AguaiAxom]

Coarse aggregate in 12.5 mm Fine aggregate 2.36

[@muhammaduuu]

2:38 why the test is taking didn’t hear clearly ?

[@sparklingstar5840]

4.75mm IS sieve

[@varghesekottavilamonis8475]

4,75

[@IpremiumSsarcasmi]

4:16 What?

[@sanchanasandaruwan5384]

💖💖

[@moongogoi2225]

Why los Angeles abrasion test is known as los Angeles

[@vela2234]

Sir tell us abhout size of aggregrates used in this test

[@structuralanalysisanddesign]

There are different set of size of aggregates but for this test which i have shown random aggregates were taken for demonstration

[@rohny5587]

Why those 12 steel ball charges are used here?

[@structuralanalysisanddesign]

To create friction between aggregates

[@bittubabu6650]

Sr hindi me nhi bana sakte h

[@YandM1]

Explain in Hindi

[@Pavankaware]

1.7 mm sieve

[@bittubabu6650]

Sr hindi me banaya kijit

[@structuralanalysisanddesign]

Jald hi Hindi channel shuru karne wala hu

[@DarshanDarshan-ns6yu]

4.75 mm sieve

[@prachinaik7936]

4.75 mm

[@saitejakatta7361]

4.75mm sieve

[@koustubghasari8695]

4.75

[@immukhan7242]

What is that

[@laxmidevilavudya288]

4.75mm

[@dhanushranjani723]

4.75 mm sieve

[@satikasnehalatha5863]

4.75 mm

[@abhishekbadalia4708]

4.75 mm sieve

[@sushmitachouraddi8630]

4.75

[@zaidansari3457]

4.75 mm sieve

[@abdulnuman1988]

4.75

[@NNAIDUMANEESHA]

4.75 mm