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1950's slab contruction

1950's slab contruction

1950's slab contruction

(OP)
Has anyone worked with a 1950's slab system that calls for a 2" concrete on WWF lath and fireprofing?
 

RE: 1950's slab contruction

Not yet...

Out of curiosity, what is the span, and what were used as the joists?  What was the building useage?

Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
 

RE: 1950's slab contruction

(OP)
SJ145 at 24-in OC

RE: 1950's slab contruction

I trust, due to the depth of the concrete slab, that the joists are not composite with the slab, unlike Hambro?

Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
 

RE: 1950's slab contruction

V-rib form?  Often used with 2 or 2-1/2" topping over owsj...

Dik

RE: 1950's slab contruction

(OP)
what does it mean  "owsj"?, what is a V-rib form like?
Later renovations indicate a 2" conc slab and corrugated deck instead of a  a 2" concrete on WWF lath and fireprofing as existing slab

RE: 1950's slab contruction

open web steel joist = "owsj"

Regards,
Lutfi
 

RE: 1950's slab contruction

On a 24" span, sounds like it might be formdeck with a concrete infill for the 2" depth.  

Formdeck, at 1/2" to 1" deep, is not structural but for use as a permanent form only, and it is non-composite.

Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
 

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