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Old 07-03-2015, 04:16 PM   #1
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Pakistani Pile Driving


https://www.youtube-nocookie.com/emb...0nLCKypg?rel=0

Something to cheer up & confuse the Engineer in you.











Just to put you in the picture and keep you up to date with the latest developments.











Below is a link to a short video of a Pakistani pile driving construction technique!











The chant is also catchy!











Now, let's analyse the Engineering here:











6 men x 180 lbs = 1080 lbs static force.





Jumping up and down will create a 3 times dynamic effect = 3240 lbs/jump = 1.6 ton thumps if the pile is tapered to 2 in x 2 in, cross section at the tip = 4 sq. in. So, dynamic pressure/thump at pile tip = 3240/4 = 800 psi.





"Add a man" feature will increase to 950 psi, so buy the option!





Increase the chant and dynamic force goes up to 5 times to bring max.





pressure/thump to 1600 psi for a 7 man team.





Quite good, and will penetrate hard clay and sandy soil (but not hard or rocky ground!) Pretty ingenious.

Oh, the foreman is the guy on the tambourine.
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Old 07-03-2015, 05:31 PM   #2
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not sure I agree with the calculations but it doesn't matter; it's fricken hilarious!!!!!!
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Old 07-03-2015, 05:32 PM   #3
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That was pretty cool. I need to use that method to drive ground rods.
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