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Post by yomamadogphish on Mar 31, 2006 19:18:26 GMT -5
to those of you who sling it for a living... what are your thoughts on a slab being poured and a house being built on it the same day? i was under the impression that it has to cure before weight can be put on it so it doesn't heave and crack up!? any thoughts, post it. thanks.  |
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Post by budman on Mar 31, 2006 21:11:48 GMT -5
To bad TJ was'nt in here, he would definatly anwser that one!!!!!!!!!!!!!! I am no QC guy but i would have ta say.. must ta cost a bunch of $$$$$$$$$$$$$$$ 4 the crete!!!!!!!!!!! I would have loved ta haul it. cmon. can you say bammmmmmmmmmmmmmmmmmmmm.no time to lose.
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Post by batchmaster on Apr 3, 2006 7:12:18 GMT -5
I could see if they used like a 7 bag mix with 2% chloride or something, building on it after 24 hours but the same day is just crazy. Would like to know what mix they poured then I could give a better answer but for now I would say that the slab will not hold up. where is this job?
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speedy
Full Member
"Why hump it? Pump it!"
Posts: 33
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Post by speedy on Apr 3, 2006 22:26:23 GMT -5
Sounds like an "Extreme Makeover - Home Edition"
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Post by Driver on Apr 4, 2006 17:33:38 GMT -5
Well I aint QC either or the draftsman that designed the place,,,but I dont think house should be on the slab,,Need more info on the footer,when was it poured,,,is it even there?? etc etc ;D With some good mud I dont think the weight of a stud wall would effect it much,,but it sure aint the way I would want my builder doing it |
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Post by yomamadogphish on Apr 5, 2006 21:27:18 GMT -5
down in florida the majority of houses that are being "thrown" together are on slabs and the idiots are putting the plumbing in the concrete without anyway to access it if (when) a problem arrises.
it's been being done like this for years too. my house built in 59' has all supply and drain lines under concrete?! not sure on the footer or mix but being from the north you just don't do nuts like that.
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Post by yomamadogphish on Apr 5, 2006 21:29:02 GMT -5
guess this site has a mind of it's own. you can't swear or it changes your words for you
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Post by batchmaster on Apr 6, 2006 8:26:00 GMT -5
probably words that come up as questionable go to the mod first, then he can edit your entry.
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Post by budman on Apr 7, 2006 14:26:21 GMT -5
i know in the older days they used to put up houses with the slab on grade type pours,but didnt know they still allow it.we have a cottage in hillsdale mi. that is built on slab on grade by my father in law and his dad, a little rough round the edges as far as finished concrete, but slab/house is still in good shape! let me ask you dogphish do they put in heated floors? even tho it is in florida concrete still has ta be cold!speically on a main living floor you know!
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Post by yomamadogphish on Apr 7, 2006 20:10:49 GMT -5
there is some heated floors going down i hear about but they are in extremely high dollar custom homes. the majority of these mass builders down here are just carpeting everything and using tile in the kitchens and baths. but in the winter eventhough it only gets down into the low 40's in the evenings, it's still cold to wake up to. great for a hangover though, makes the prayers to the porcelin god a little easier:)
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Post by conman on Apr 8, 2006 19:16:05 GMT -5
We have a contractor here that will pour the footing today the wall tommorrow and backfill and pour the basement two days later . I wouldn't live in one !!
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Post by batchmaster on Apr 11, 2006 7:19:05 GMT -5
Ftg today, wall tomorrow, isn't so bad...but backfill and basement in two days...wow. i'm sure they pour a 3-4 inch slump in that wall too right, yeah right. They haven't had any issues with the walls backfilling this soon? I've seen some when they get backfilled too soon get horizontal cracks along the length of the wall. But a good excavator is the key I guess, knowing how to backfill is the main thing. Saw a job once where a guy was running parellel to the wall up close in a dozer, got the horizontal crack down the length of the wall. was not good.
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Post by Driver on Apr 16, 2006 12:14:27 GMT -5
Yeah footer followed by wall next day is ok as far as I know,I think wall could even be poured same day if time is given for footer to tighen up??? and the crew bust their butt to get the pans up. But then again I aint no design man so I may talking out my arse ;D ;D The backfill as far as I have been told should be done AFTER the floor is poured and set for a day or two,I think this helps tie in the bottom of the walls to keep the walls from kicking in or out during back fill? As the walls crack you can bet the builder will blame it on the redi-mix producer. I allways said the only guantee ya get with concrete is that your guanteed it will crack ;D ;D |
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Post by batchmaster on May 5, 2006 13:54:29 GMT -5
yes it will crack, but, depending on the way it cracks shows a lot for who is to blame for the cracking...whatever step along the way that caused it, the way it was poured, the backfilling, or the producer, the qc department could tell you what has taken place, if they are any good that is. because you could core the walls and see what the psi is with a compression test so...all has to do with how it cracks.
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Post by intruder473 on Oct 11, 2006 19:46:29 GMT -5
A standard 4000 a/e with a dosage rate of 2.5 oz. of super and a 100% max dosage of rapid dosed at the job, not to exeed .40 water to cement ratio. or max mix time or more that 300 rotations of the barrel. Arrive at the placement at 1.5, 2 inch slump and dose the load with a max mix time of 9 minutes. Concrete placed with in 15 minutes. Stick walls can be placed with in 3hrs and a modular in 6hrs without product failure.
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Post by lkconcrete on Jan 14, 2008 19:44:18 GMT -5
Yeah, we have made a few in a hurry precast jobs with a high dose of polar set and we can strip the walls in 1 hour. it's crazy. Though you have to get it out of the truck asap.
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