Testing precast concrete pipes in the 1920s - photo

[Altair]

Testing precast concrete pipes in the 1920s.




Previously:

Cleaning culvert using tire - GIF
Concrete pipe unloading fail - GIF
One-man concrete pipe unloading onto tires - GIF
Unloading concrete pipe from a flatbed truck - GIF
Unloading concrete culvert using loading ramp - GIF

[IntheGroove]

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

[old kodger]

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

[Toolmaker51]

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

[old kodger]

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

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