What's going on below the ground during drilling and sampling
Пікірлер: 70
@feigenbrot4 жыл бұрын
Finally someone who explains in concise detail how the whole process of drilling works. The animation really helped me understand all those details that mere filmed material wouldn't. Thank you!
@MasterCivilEngineering3 жыл бұрын
Visit here
@devonandrewmills4 жыл бұрын
This is extremely helpful! I'm in a Resource Drilling diploma program, I cannot express how excited I am to have found your channel.
@user-ko3yw9xb9p6 жыл бұрын
Thank you very much for the vivid introduction to the beginners of geotech. You must have open the door for many students around the world.
@PeterYoon-qk7oo8 күн бұрын
This video is very helpful for beginner.... Thank you...
@guesswhotutu6 жыл бұрын
Thank you! The animations were really helpful.
@MasterCivilEngineering3 жыл бұрын
Good
@shehadehkhoury46662 жыл бұрын
Great work-Thanks for your efforts
@karimkhan11565 жыл бұрын
A very comprehensive description. THAN YOU.
@Halfevilracing333x Жыл бұрын
Good educational video. I think most drill operators could benefit from a quick watch👍👏
@niel_ayo2 жыл бұрын
This is really helpful and easy to understand, thank you very much for this video
@91Nachone4 жыл бұрын
Thank you for share this presentation!
@MuhammedRidhaSuhail Жыл бұрын
Thank you, professor. This introduction is not just for engineering students, I think that anyone can understand and benefit from it.
@aksharas17045 жыл бұрын
Awesome video I totally visuallised it
@nadunwijeweera4137 Жыл бұрын
Very clear and precise, thank you.
@prodigyralte3254 жыл бұрын
I like this video.. Really.. It is helpful for me... Thanks you Air
@evertonbarbosa98936 жыл бұрын
Excellent video! That was very helpful, thank you!
@GenaEnSamIAm4 жыл бұрын
Thank you professor Kitch!
@158nehagupta63 жыл бұрын
Excellent video Thanks sir
@raneemmatooq68056 жыл бұрын
Thank you , Very helpful video
@teebamohammad71424 жыл бұрын
Thanks for the video about site investigation
@lakeman69386 жыл бұрын
Thanks a lot prof Kitch,how can I access more of tour videos I found this one really helpful
@miazmii285 жыл бұрын
Very awesome illustrations and explanations. Thanks.
@jafarnurulikhsani98934 жыл бұрын
Thank You very much sir The video and naration is very clearly
@GeoAlex712 жыл бұрын
Thanks, That's very helpful.
@teebamohammad71423 жыл бұрын
Thanks for this informations had helped me a lot
@mushtaqdass74217 жыл бұрын
nice sir.. thankyou
@abderrahmankadiri6 жыл бұрын
thank you professor !
@ssibaprasadpatro4 жыл бұрын
Thanks for the detailed study 👍
@MasterCivilEngineering3 жыл бұрын
Good
@k4x4map463 жыл бұрын
excellent!
@MasterCivilEngineering3 жыл бұрын
Step by step video solutions of civil engineering questions
@musawirhussainrahi56892 жыл бұрын
Have good information sir
@zainabibrahim30025 жыл бұрын
فيديو يختصر الكثير ويُبين الاكثر 👏🏻
@user-lt1jv3fw2y3 жыл бұрын
ممكن شرح مختصر بالعربي
@nhazilodeocleciano10553 жыл бұрын
i Loved it
@genesismadera97026 жыл бұрын
this just seriously saved me. thanks :D Had to report about wash boring but no presentation in google actually gave visuals.
@milfardonutaarsada70836 жыл бұрын
thans for video..
@3rfansaleh5996 жыл бұрын
nice..
@danotorioust28673 жыл бұрын
When the drilling and you have reached the test depth you stop the fluids flowing through the drill head and a hose will attached to the casing whicjmh can constantly fill the hole as the rods are removed
@user-ko3yw9xb9p6 жыл бұрын
Is this video made by powerpoint? clean and concise
@muhamadshukur75733 ай бұрын
Thanks for presintation
@mjunaidasghar86135 жыл бұрын
Good
@etiennesa17232 жыл бұрын
THANK YOU KIND SIR
@lifeisgood94748 жыл бұрын
nice video! can you make a video on designing a retaining wall?
@danotorioust28673 жыл бұрын
He is a geotechnical engineer He tells structural engineers how hard the ground is they design the footings
@jasonlewis4602 жыл бұрын
@@danotorioust2867 Not necessarily true geo techs, design various retaining walls. There is slope factors, lateral earth factors, seepage, drainage, determing types of soil is vital information needed for a retaining wall.
@Berlintheking6 жыл бұрын
Thanks for this video Sir
@danotorioust28673 жыл бұрын
Also hollow flight augers are basically useless in anything but soft soils and for shallow holes. Also no drill rig actually hits the casing into the ground it has to be pushed or drilled into the ground. Almost any drilling capable of drill over 6m will not use hollow aurgers
@ronaldwilkins6056 Жыл бұрын
I took a borehole to a total depth of 80ft in downtown Chicago in the mid 90s...pretty sure I used 6 1/4" hollow stems.
@premrathod-xl2fk6 жыл бұрын
Add more this type of video it really helps 👍
@luisaifunao Жыл бұрын
Wow
@danmusiime3394 Жыл бұрын
This video explains to detail the drilling process
@rossyharinthratnam37865 ай бұрын
Thanku
@danotorioust28673 жыл бұрын
Pls tell me where I can see a drilling rig that uses the rotary mud technique without casing as a normal practice. Can you imagine the amount of drilling fluid you would need if you just pump it out of the hole without retaining it. If a pump can pump around 100L a minute and rotary mud drilling 1.5m time will vary from 1min to 30 minutes so to drill a 50m hole at a rate of 1.5m per 3minutes not including the amount of time it takes to do a test U50 could be up to 10m and an spt could be up to 20minutes so to drill like this I would need an Olympic swimming pool worth of water.
@avinashgupta6117 жыл бұрын
good
@ahmedobidat17436 жыл бұрын
Concerning the Standard Penetration Test (SPT), it is considered a casing method, right?
@introductiontogeotechnical49766 жыл бұрын
The SPT is a sampling method that also provides a measure of in situ soil properties (the N value). It can be performed in a cased hole or an uncased hole.
@danotorioust28673 жыл бұрын
An SPT is a 450mm long hollow tube that is lowered to the bottom of the hole a slide hammer and anvil are attached to the drill rod and 3 measurements of 150mm are marked on the drill rod the engineer counts the hits for each 150mm section the first 150mm is for cave (cuttings still in the hole) and the next two sections hit count is recorded the two numbers add up to make the N value Example test at 24m will read like this on the bore logs 24m spt 8-12-16 N= 28 If the soil resistance is great then 30 hits for the first 150mm the test the test we be terminated and the depth targeted to test
@Rezzashah672 жыл бұрын
How to collect sample for rocky soil ? as shelby cant be obtained in such strata
@ronaldwilkins6056 Жыл бұрын
Split spoon sampler driven by 140# hammer free falling 30" if I remember correctly...you get the sample and penetration data. I ran a geotech rig about thirty years ago.
@kyleranderson55572 жыл бұрын
I need to get video of this it’s my living
@danotorioust28673 жыл бұрын
Turn the water off and disconnect the hose OMG so when you talk about hydrostatic pressure on the hole wall yes correct but what happens if you turn off the water flow to the hole. Just think about filling your bath up hop in and out what happens to the water level. If you turn the water flow off then remove the drilling rods the hydrostatic pressure will be dramatically reduced causing the walls to actually cave in it's the weight of the drilling fluids that hold the hole open
@gameplays7316 жыл бұрын
How about percussion drilling
@introductiontogeotechnical49766 жыл бұрын
In my experience, percussion drilling is not normally used is soil or rock sampling. This is more commonly use in drilling hard rock for anchor bolts or pile foundations, but not for gathering samples for lab testing. There are other drilling methods which are not covered in the webcast such as sonic drilling (very interesting method). I recently found that air rotary is a common method in West Texas. It's much like mud rotary but uses compressed air rather than drilling mud to bring up the cuttings. I'm sure there are other regional methods I have not encountered.
@gameplays7316 жыл бұрын
Introduction to Geotechnial Engineering 😊😊 thanks for your positive feedbacks.
@exxbro_3 жыл бұрын
stavo cercando sample drill e ho trovato questo.
@fatimaezzahrahilal66995 жыл бұрын
5 dislikes are these people mentally okay ! this video is awesome
@danotorioust28673 жыл бұрын
Because he is an Geotechnical Engineer not a driller