PRECAST CONCRETE FLOOR SLABS : PRECAST CONCRETE
Precast Concrete Floor Slabs : I Bet You Look Good On The Dance Floor Cover.
Precast Concrete Floor Slabs
Photo Precast concrete flume on C Canal in Oregon. Length, 4300 feet; capacity 345 second-feet. September, 1941 1941
The black-and-white photographs of the Farm Security Administration-Office of War Information Collection are a landmark in the history of documentary photography. The images show Americans at home, at work, and at play, with an emphasis on rural and small-town life and the adverse effects of the Great Depression, the Dust Bowl, and increasing farm mechanization. Some of the most famous images portray people who were displaced from farms and migrated West or to industrial cities in search of work. In its latter years, the project documented America's mobilization for World War II. Photo Precast concrete flume on C Canal in Oregon. Length, 4300 feet; capacity 345 second-feet. September, 1941 1941. Reprint is 20 in. x 17 in. on archival quality photo paper.
martin wagner @ 1st precast concrete slab colony in germany 2
now that is for all (at least) german architects and designers interesting:
this is the very first precast concrete slab colony in germany. designed by martin wagner in 1925-1926.
the colony has 2 light blue slabs as the head and then 2 streets with 2 storeys houses in a light red ( you will see more by switching through my stream).
by going through this small colony you feel you are in a different time.
the precast concrete slabs are mostly 7,50meter long.
and now in german, because that is too much for me to translate (ahem):
die platten wurden vor ort gegossen und dann mit einem portalkran aufgerichtet. die Rahmen fur Fenster und Turen wurden gleich in die Formkasten eingebracht. Die Aussenplatten erhieltne eine Aussenhaut aus wasserdichtem Kiesbeton, eine Isolierschicht aus Schlacke und eine Innenschicht aus nagelbarem porosem Schlackenbeton. Die Baumethode war jedoch unwirtschaftlich, da die Siedlung doch zu klein war.
He never tried it again.
Installing precast concrete box culvert
The precast concrete box culvert installer should be familiar and compliant with the pertinent sections and regulations of this document. The installer should also review installation practices with the engineer’s design assumptions, particularly in relation to the use of trench boxes, foundation preparation, joint gap allowances, and compaction requirements of the backfill.
precast concrete floor slabs
Suitable for the following scale(s):
The next stage in realistic snap track - "Superelevation" is the term used to describe track in which one rail is higher than the other, much like a banked curve on a freeway offramp or a high speed corner in NASCAR, these banked curves are specially designed to reduce wheel wear and increase both comfort and safety in all manner of trains, fast or slow, passenger and freight. These superelevated curves are a standard installation in modern railroads, and before now they were complicated and finicky to replicate at model railroad scale level, but no longer! Kato UNITRACK makes it simple with modular easement and superelevated curves, available with modern pre-cast concrete ties (which not only modernize the look of your rails, but help differentiate the pieces at a glance from non-banked track pieces). Please note that all of these Concrete Tie Double Track pieces are 100% compatible with our regular double and single track Unitrack pieces and bridges and can be added into your existing Unitrack layouts!
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