DIRECT SHEAR STRESS (IS-2720-PART-13-1986) Reaffirmed- 2009
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- Опубликовано: 19 янв 2020
- The test is carried out on either undisturbed samples or remoulded samples. To facilitate the remoulding purpose, a soil sample may be compacted at optimum moisture content in a compaction mould. Then specimen for the direct shear test could be obtained using the correct cutter provided. Alternatively, sand sample can be placed in a dry state at a required density, in the assembled shear box.
Click on link below to download the format
drive.google.com/file/d/1Raef... 
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great video sir thank you so much for sharing such precious videos
It's my pleasure
Thank you.very nice video
Thank you too
to determine direct hear test we have to conduct 3 different soil specimen having same water content and same density but applying different loads like 0.5, 1 and 1.5 kg/cm^2 . correct statement hai ki nahi.
Great peace of information
Very good sir, got full knowledge,
Keep watching
Thankyou so much sir ❤️❤️❤️
Always welcome
Dear sir i just want to know how can i get SBC value from C and phi
Great sir
Thank you sir
So nice of you
Sir which type of test is this undrained consolidated undrained or consolidated drained i thik you have done undrained test but in IS code mentioned porus stone will not be used and water jacket should be provided but you have not done it please explain.
Great video. Sir which shear test is used for gravels?
No idea
Sir lever arm rest krna hai kya screw par... plz uska batdo
Very good video sir, sir what i dont understand is that how is your proving rimg reading for 0.5 kg load test 4around 46 but you have taken shear stress value as 0.37?? Is there a multiplication by proving ring constant and what is the value of proving ring constant??
Please see the whole video with interest
@@HIGHWAYGUIDE i saw it with a lot of intrest but at times i couldnt understand what u were saying
Weight of wet sample will be 182.28
Dry wt.=167.1525
Water=15.1273
Please correct me if I’m wrong
Thank you for your feedback
Very informative tutorial. I am interested to know, how we estimate normal stress i.e. for 0.5kg/cm2 the mass used is around 1.50 kg, which area we are considering to estimate 0.5 kg/cm2 ?
Same question from my side
Thanks a lot sir but how to find out cohession if material is cohessive
Please see last part of the video.
informative video
What is proving ring constant of shear test
Please see full video
Sir, the weight of dry soil taken should be 167.13 gm if not wrong, otherwise please explain how the weight of dry soil was determined?
Please download the format from the link given in the description.
I have taken data of displacement in 25, 50, 75, 100 and the reading of the Proving ring 1.0, 1.2, 1.6..... how do I calculate /convert now
Download the excel sheet given in the description
@@HIGHWAYGUIDE shall I directly input what I mentioned or do I have to convert the unit. Did I took these two data in different Units
sir, how to get the LRC/Proving Ring Constant value ?
Already uploaded a video
Sir please explain me that how to calculate the value of weight of wet sample required ?
Already explained , please see whole video with interest.
Sir,
Small Doubt the Sample thickness was 3 cm then how can you put 6 in corrected area...?. In IS Code also it was 3 and in excel you are used 60 not 6... why....??? Kindly clear my doubt....
In latest revision , it is Ao(1- ẟ/6) I had divided by 60 because to convert ẟ from mm to cm.
drive.google.com/open?id=1hzabyQcsBzf0Cha1O7EdLYaxo_BaW3L_
@@HIGHWAYGUIDE Wow thank you so much for your Reply...👏👏👏
Doubt cleared....
Tq I'm watched total your video sir...
Small doubt
Is it which type of test method sir
Is it disturbed sample.?
How did u get volume of water and maximum dry density sir
See full video , you will get your answer.
@@HIGHWAYGUIDE sir watched full video.. Didn't got the answer..
Plz tell how you took the volume of water
how to get Proving ring constant value??
Already posted a video
Sir isme maximum aur minimum bhi kuchh rahta hai kya please reply me
No
Sir undrained test, consolidate undrained test , consolidate drained test in teeno me kya difference hai kis kis condition me use krenge ye process
Please reply sir
Sir kya proving ring constant aur calibration factor same hota hai ?
Yes
❤❤❤❤
Sir kya aap bata sakte hain ki direct shear ka stress strain curve kaise banate hain according to IS code 2720 part 13
Please see my last part of the video
Sir, Why we are take mdd 95%
Sir how to calculate division to kg
Use calibration factor
Sir reading kaise dekhni he .. dial gauge or proving ring ki pleas btay
Already posted the video.
Sir,
Please upload Triaxial shear test video
I have no instrument
Sir plz provide calculations of cohesion and angle of internal friction.
Already provided
@@HIGHWAYGUIDE Sir, after plotting graph some doubt came in calculations.
Sir IS code 2720 Part13 me Area Correction Formula me A(1-g/3) diya hua h
See latest revision
Sir ji where it is mentioned to rate of speed is 1.25 mm
In the standard
Sir can you send me Excel sheet please .
Please see my full video you will get your answer
Sir correct area kaise nikalte hai
Please see full video
pleas sir attach excel sheet
Already attached
But AApne A(1-g/6) Lie h mai ye nahi samajh Pa raha hu
drive.google.com/file/d/1hzabyQcsBzf0Cha1O7EdLYaxo_BaW3L_/view
I have given the link download the latest revision
Sir which type of test method is this
I think undrained because you choose rate of strain as 1.25 mm / min but in IS code mentioned that in undrained condition porus stone are not used and water jacket should be provided but you nave not done that i have a doubt kindly clear it sir my water jacket is not provided