Testing precast concrete pipes in the 1920s - photo

Testing precast concrete pipes in the 1920s.

https://diqn32j8nouaz.cloudfront.net...e_fullsize.jpg


Previously:

https://www.homemadetools.net/forum/...890#post210242
https://www.homemadetools.net/forum/...376#post204530
https://www.homemadetools.net/forum/...080#post125690
https://www.homemadetools.net/forum/...145#post157585
https://www.homemadetools.net/forum/...350#post173239

I wonder how well it held up to dynamic forces...

I wouldn't want to be the mug inside that pipe.

7 men and uncalculated number of sandbags are 'stressing' precast concrete pipes in the 1920s.
The man inside, HE is testing it.

Quote:

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Originally Posted by Toolmaker51

7 men and uncalculated number of sandbags are 'stressing' precast concrete pipes in the 1920s.
The man inside, HE is testing it.

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Or is he the one pumping up the hydraulic jack to counteract the load?