Wash Boring

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Description
Wash boring is a fast and simple method for advancing holes in all types of soils.
Boulders and rock cannot be penetrated by this method.
The method consists in first driving a casing through which a hollow drill rod with a sharp chisel or chopping bit at the lower end is inserted.
Water is forced under pressure through the drill rod which is alternately raised and dropped and also rotated.
The resulting chopping and jetting action of the bit and water disintegrate the soil.
The cutting is forced up to the ground surface in the form of soil − water slurry through the annular space between the drill rod and the casing.
The change of soil stratification could be guessed from the rate of progress and the colour of wash water.
The samples recovered from the wash water are almost valueless for interpreting the correct geotechnical properties of soil.
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[@leothewarrior1]

Well Explained. Thank you.

[@projects8547]

you are a great teacher and also the video is good

[@amitkindo9]

Well explained 👍

[@danishzargar3653]

Its so helpful thnx for the video

[@amitbarman9278]

Thank you so much sir for this nice explanation with animation...

[@abhrajitmondal707]

Thank you

[@nb-jq3jw]

Sir aapne itne ache se samjaya, thankyou

[@ashishsingh-xt6br]

Well explained....

[@happymoments473]

Very conceptual explanation sir

[@RakeshYadav-du7iu]

Wow I understand very well

[@thomanani6826]

Nice explanation brother

[@-AAnilKumar-qd2ms]

Well explained sir

[@AdilKhan-zg7jy]

Nice video sir

[@yashsuthar7860]

Very useful sir

[@muhammadmuzammilddr451]

Great

[@gaziboring2755]

Please allow some part of your video to broadcast on my channel in local language.

[@Charlie0597]

Tnxxx Sirrr

[@balkaran8938]

Tq sir

[@-AAnilKumar-qd2ms]

Sir can explain all types of boring

[@shimakrocks3]

👍

[@apurvbhatia9594]

Sir, When will you teach Auger Boring?

[@MachenLink]

Dear Apurva Please visit our website www.machenlink.com Thanks

[@sadhnamishra5982]

Understood.

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[@anilkumar-wm1rw]

Hmm

[@blackpanda2056]

U should explain in English..

[@Civilengineer0000]

U should understand it in english everything is written in english By the way how you are doing now

[@user-vi6er1hc1i]

Hello. If u keep mixing your English language with Hindi. Pls ensure your video title is in Hindi.

[@zeyadatty2668]

if the expalantion in English . So , the ppl who does no Hindi , will understand .

[@allinonebabu4943]

Nee yabba... English lo cheppu ra... Rey.