#Marshall

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#Marshall

Рет қаралды 13,693

8 ай бұрын

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Bituminous mix design, Marshall Method, Stability and flow test, density-void analysis, Mix Design procedure, #VMA, Voids in Mineral Aggregate, Air voids in a mix, How to calculate air voids in a bituminous mix, Voids filled with bitumen, VFB, Optimum binder content in a mix, NAPA method of mix design, MS-2 method of mix design, Asphalt Institute method of mix design, Indian method of bituminous mix design, HMA mix design parameters, Effective binder content in a mix. Marshall Stability Test.
This video illustrates the Marshall method of Bituminous Mix Design. It gives some important hints on the importance of different mix design parameters to achieve a durable and correct mix design.
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Пікірлер: 89

@keshavsikhwal866 6 ай бұрын

your hindi videos are very close to our heart keep making , may you start to make a series on laboratory test of bituminous material please, it is basic course in mtech course work .so it will be helpful for all of us🙏🙏

@SatishIITR 6 ай бұрын

Thanks Keshav for the suggestion. I will certainly cover a few tests on bituminous materials and but a bit advanced ones. I dont thick tests like penetration and sofetning point need to be discussed here. What do you say? Planning videos on Elastic Recovery and MSCR tests soon.

@keshavsikhwal866 6 ай бұрын

Thankyou sir for your valuable time. Sir, we can cover contact angle test for hydrophobic emulsified asphalt, rotational viscometer test, moisture sensitivity test etc . Sir please give us your guidance to understand the principle behind these experiments and process🙏🙏

@keshavsikhwal866 6 ай бұрын

Thank you sir for mscr test and elastic recovery test ..

@SatishIITR 6 ай бұрын

Ok, will do. @@keshavsikhwal866

@sarveshtripathi4792 Ай бұрын

Informative and useful for field engineers. Tq sir! .

@SatishIITR Ай бұрын

Thanks a lot, keep watching

@keshavsikhwal866 6 ай бұрын

great video sir, very helpful

@SatishIITR 6 ай бұрын

So nice of you. Keep watching

@mohitrajaram007 4 ай бұрын

Thanks for your unique explanation

@SatishIITR 4 ай бұрын

Thanks 😊

@thefighter4105 8 ай бұрын

Very informative lecture thank you sir

@SatishIITR 7 ай бұрын

Most welcome, keep watching

@goelamit 3 ай бұрын

Great initiative Sir... regards

@SatishIITR 3 ай бұрын

Thanks 😊

@cherrychinnu Ай бұрын

excellent vedeo

@SatishIITR Ай бұрын

Thanks. Its english version is also available. Watch here. kzfaq.info/get/bejne/fZ6YpcaZ37HMY4k.html

@yasawantsinghyadav2406 2 ай бұрын

Very nice video sir for QA Qc

@SatishIITR 2 ай бұрын

Thank you so much

@gurugaming1450 8 ай бұрын

Tq so much sir❤❤

@SatishIITR 8 ай бұрын

Welcome, keep watching

@Challenging_Boy456 4 ай бұрын

Very good Sir🎉

@SatishIITR 4 ай бұрын

Thanks for liking

@TEG_IITR 7 ай бұрын

very nice sir🙏

@SatishIITR 7 ай бұрын

Keep watching

@yasawantsinghyadav2406 7 ай бұрын

Very nice sir

@SatishIITR 7 ай бұрын

Thanks and welcome. Keep watching

@user-ue2uz7hy4l 5 ай бұрын

Nice lecture sir

@SatishIITR 5 ай бұрын

Thanks. Keep watching

@irshadahmed3406 8 ай бұрын

Good & informative video. Please add reference as per MS.02 In the Middle East, all mix designs are followed by MS.02, which is a reference standard that includes guidelines for the design and production of asphalt mixtures. These guidelines are based on international standards such as ASTM and ASHTOO. Thanks

@SatishIITR 8 ай бұрын

I understand the procedure in MS2 is not vey different. We are also following MS2.

@manojkumar-ky1iy 6 ай бұрын

Really excellent explanation sir. You cleared so many doubts by your lecture by easy means. Thanks a lot Sir. Will you please make a video for gradation explaining close grade ,Open grade and gap grade by using Fuller’s equations and plotting it’s graph.🙏🙏

@SatishIITR 6 ай бұрын

watch this video and write your comments kzfaq.info/get/bejne/rZd0pNaImM_PqHU.html

@purushottam93 7 ай бұрын

Hello sir, myself Prushottam Kumar from Bihar currently working in a private firm as a Quantity Surveyor for highway projects. BTech civil engineering graduate 2014 from Cochin University of science and technology. I have a keen interest in highway pavement design like Design of earthworks layer, embankment and subgrade, gsb and wmm layers, dbm and bc layers , with step by step procedure with given condition. During BTech, I have performed several tests on soil, aggregate and bitumen. I am thinking of mtech from transportation engineering from nit or iit. Your videos are conceptual, crystal clear with the thoughts. 🙏🙏🙏🙏

@SatishIITR 7 ай бұрын

Thanks for your detailed message. I wish you all the best for getting admission in the institute of your chice for your M. Tech program

@gurugaming1450 8 ай бұрын

Like who have tomorrow exam,🎉🎉

@SatishIITR 8 ай бұрын

Yes, very useful for competitive exams.

@civiltechnoharyana7850 2 ай бұрын

In my project location area , temperature goes to maximum 47-49 C but in contract bitumen grade mentioned Vg-30 Is it wrong or should he changed according to actual weather temperature please clarify

@SatishIITR 2 ай бұрын

No, VG 30 is not suitable under this climate. Watch my latest video on Selection of binder grade at kzfaq.info/get/bejne/nb6JmZWg3q-8p4E.html to get the answer to your question.

@civiltechnoharyana7850 Ай бұрын

Sir what is the difference between drum mix and batch mix design mix please explain

@SatishIITR Ай бұрын

A batch mix plant produces finished mixtures in batches with short intervals, whereas a drum mix plant can continuously produce mixtures without any interruptions. Both are in use and both have advantages and disadvantages depending upon the size and type of the job.

@SartajKhan-kt1se 3 ай бұрын

Dear sir how we are control loss of stability in Asphalt wearing Coarse it is coming More than limit percent

@SatishIITR 3 ай бұрын

You mean retained stability is less than code value. It shows that there is problem in the binder. Stability loss indicates the stripping in the mix. Either increase the fine content or use some anti-stripping agent.

@bssomeshwar6892 2 ай бұрын

Dear sir, I am somesh from Tamilnadu, for BC-2 the minimum binder content as per Mort&h & IRC SP:2022 but in the case of PMB as a minimum binder content 5.6% as per IRC:SP:053-2010. So please suggest the minimum binder content in the case of modified bitumen.

@SatishIITR 2 ай бұрын

Hi Somesh, I cannot suggest anything outside the IRC codes. Take the one which is suggested in the latest IRC code.

@bssomeshwar6892 2 ай бұрын

@@SatishIITR Thank you sir.

@a_d_arsh 8 ай бұрын

sir, can we use Marshall mix design for MSS?

@SatishIITR 8 ай бұрын

MSS is a thin layer surfacing with no structural strength. It is a recipe type mix and not designed in the laboratory. Marshall method is used for structural layers only.

@civiltechnoharyana7850 2 ай бұрын

And sir what is the cause of rutting in bitumen layer and why this occurred please explain

@SatishIITR 2 ай бұрын

I have uploaded one video on this topic. It explains rutting in detail. Watch it here kzfaq.info/get/bejne/f85yhrOjmuC0oZ8.html

@anshR-ll9hi 5 ай бұрын

Sir very informative video . How to bring down flow in DBM & DAC -1 design?.

@SatishIITR 5 ай бұрын

Flow can also be controlled by either changing the fine content or the binder content. Higher flow value indicates higher binder content. Reduce it slightly to get flow in limits.

@anshR-ll9hi 5 ай бұрын

Thank you sir

@anshR-ll9hi 5 ай бұрын

Sir does presence of Natural sand in crushed sand affects Flow? How to check if natural sand is mixed with crushed sand.?

@saikumarnandhigama842 6 ай бұрын

Sir As per IRC 37 2018 air voids should be 3.5% and as per morth 4% which should follow ?

@SatishIITR 6 ай бұрын

when DBM is laid in two layers, the lower layer is designed for 3.0 percent air voids keepling little higher binder content. The upper layer is designed for 4 percent air voids. For the single layer DBM, the recommended target air voids in the design is 3.5 %

@saikumarnandhigama842 6 ай бұрын

@@SatishIITR tnq sir for your clarification 🙏

@civiltechnoharyana7850 Ай бұрын

Sir can you describe how to calculate fines to bitumen ratio of any mix design

@SatishIITR Ай бұрын

percent passing 75 micron divided by optimum binder content (F/B)

@civiltechnoharyana7850 Ай бұрын

⁠@@SatishIITRthanks sir One more thing sir suppose in any design mix of stone dust ratio is 38% and bitumen content 4.5 % and filler is 2 % then if I want to calculate bitumen fines ratio then I need 75 micron passing percentage of dust and filler both and sum of both and divide by 4.5% ( bitumen content) is it right sir ?

@civiltechnoharyana7850 Ай бұрын

Please reply

@SatishIITR Ай бұрын

@@civiltechnoharyana7850 You should consider the final grading after mixing aggregates of all stockpiles and then see what is the percent passing at 75 micron sieve to find F-B ratio

@chandrasekharpradhan1451 8 күн бұрын

Sir, You did not mention how to take 1200 gms sample from which sieves.

@SatishIITR 8 күн бұрын

That will depend on type of mix. This is the material of the final mix after mixing different aggregates

@neelpatel1333 5 ай бұрын

Sir, bitumen ki ductility test me bitumen pouring temperature '75 to 100 degree above softening point' likha hai iska matlab?? E.g if softening point 50° hai ,to bitumen ko 50+75=125° Tak garam karna hai??

@SatishIITR 5 ай бұрын

Yes, generally it is 100 + SP

@neelpatel1333 5 ай бұрын

@@SatishIITR likewise they have also mentioned the same in (i.e 75 to 100°c above softening point).so in this test how we will calculate temperature since we haven't conducted softening point test yet

@SatishIITR 5 ай бұрын

@@neelpatel1333 Approximate SP is known for a given grade of binder. You do not need to be very specific

@neelpatel1333 5 ай бұрын

@@SatishIITR thank a lot sir.

@aejazwani4515 2 ай бұрын

Dear respected sir , Please explain why we provide voids in bituminous mixes , These are for what purpose??

@SatishIITR 2 ай бұрын

Two reasons. (1) the layer cannot be compacted to zero air voids, neither in the lab nor in the field and therefore, there will always be some air voids, and (2) Air voids in a layer provide some space for secondary compaction in the field (compaction due to moving traffic) which is needed to avoid cracking and bleeding in the pavement,

@aejazwani4515 2 ай бұрын

Thanks alot sir

@paruchuriraghuvamsh6058 8 күн бұрын

Sir this year gate exam will be conducted by IIT ROORKE any tips sir please

@SatishIITR 8 күн бұрын

No tips. It doesn't matter which IIT is organising.

@ab9276 4 ай бұрын

How to find OBC from graphicap plot

@SatishIITR 4 ай бұрын

OBC is taken corresponding to 4 percent air voids and then all other parameteres are checked at this binder content.

@ab9276 4 ай бұрын

@@SatishIITR ok thank you sir😊

@brahma6102 5 ай бұрын

Sir video hindi me hi bnaiye please 🙏

@SatishIITR 5 ай бұрын

Thank you so much for your suggestion

@muhammadmurtaza6639 4 ай бұрын

Sir please provide pdf.

@SatishIITR 4 ай бұрын

PDF of what?

@randomshit6070 7 күн бұрын

Sir I'm using 5% river sand for filler material and 5% bitumen (60gm) Result is Stability= 758kg Flow value = 3.24 Why stability is so much low? After rammering the sample i kept it for 22 hours in room temp. Then kept in water bath at 65°c for 35 minutes Where am I making mistakes? Please give me some guidance

@SatishIITR 7 күн бұрын

Sand is not permitted in a bituminous mix. River sand can contain clay and that will affect the adhesion

@randomshit6070 7 күн бұрын

@@SatishIITR sir, actually I just started working on my thesis and topic is "effect of glass fibres on bituminous mix " Is it compulsory to use filler material? What if I don't use any filler material and simply mix bitumen with mix design aggregates (fine and coarse)

@SatishIITR 7 күн бұрын

@@randomshit6070 Any material passing 75 micron sieve is a filler material. The final grading should have some material passing this sieve. It may be stone dust, lime or cement, but not the sand.

@AmitKumar-ky6xm Ай бұрын

Loose mix me kitna kitna percentage lere ho is per video bnao direct loose mix dal ke aadha gyaan mt do guru ji ye btao kitna kitna percentage lere ho kese kya

@SatishIITR Ай бұрын

आपका सवाल कुछ clear नहीं है। मार्शल सैम्पल बनाने के लिए 1200 gm loose मिक्स ही तो है।