Week 50 (Pouring the slab, part 2)

The second pour was scheduled to coincide with a predicted sudden and short freeze the week after our first pour.  After three days of light rain and warm (for December) temperatures in the 50s and 60s (Fahrenheit), the temperature at dawn on Monday was a frigid 20F, and would not break freezing until the afternoon.  The colder the weather the stronger the cure; moreover, the sky was predicted to be clear—also best for concrete—so we waited, again.  Here’s some totally cool ice formations we found when we got there:

iceform1.jpg iceform2.jpg

Yes, they looked and felt just like blades of grass…made of ice!

The trucks set up quite early and were already pouring when we arrived:


Here’s a view from the business end of the concrete pumping truck, filling in the floor for Booth C:






Man’s best friend?


Pour #2 complete:



Author: Michael Tiemann

Open source pioneer. Red Hat Executive. UNCSA Trustee. Ninja.

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