Any longer wait than 24 hours to saw the control joints, and they become cosmetic, as the concrete has already decided where it wants to crack at. A post and beam structure with many point loads will have a different foundation than a stick built structure with a slab and perimeter foundation that supports the stick built walls.
It sounds as though your foundation is incorrectly designed for the type of structure that you intend to build. Your building department actually issued you a permit for this? There are only three posts Should the footings be elsewhere?
Perhaps outside the building, down by the toolshed? The maximum loading you can load the slab on grade depends on soil bearing and reinforcement placed inside the slab.
Framing cannot be placed on the 5" slab on grade. All load bearing framing structure must be on strip or pad footings. Perimeter wall framing can be built on strip footings or slab thickening of the slab on grade. Post point loads must be on pad footings, and the size "large concrete footings" will not fly here. Pad footing must be sized correctly to avoid footing failure and soil bearing failure.
Pad footings need to be where the post at designed to be at. You cannot just relocate them along with your post, and change the whole framing layout.
Indem Sie weiterhin auf der Website surfen bzw. Mehr erfahren. Ultimate Lighting Sale. Bathroom Vanity Sale. Bestselling Chandeliers and Pendants. Sign In. Join as a Pro. Houzz TV. Why Concrete Needs to Cure Concrete needs to cure for a variety of reasons, but ultimately curing gives it long-term strength and durability.
Speeding up Cure Times There are a number of ways you can safely speed up concrete cure times without compromising the integrity of the finished product. In general, these are the following ways that professional builders and DIY-ers can speed up the curing process: Do your best to reduce the humidity in the air.
Make sure you use the right amount of water. Using less water can speed up curing and drying times, but it may also make concrete weaker in the long run. Use a rapid-cure additive. These specially formulated additives can help your concrete cure quicker without weakening them over time.
Other Ways to Strengthen Concrete One of the most common ways to strengthen a concrete slab is to use metal rebar in the slab itself. You can use that time to accomplish some of the following other tasks: Gather materials Work on surrounding exterior work yard grading, etc.
Closing Thoughts A concrete slab is a quick, effective way to build a strong foundation for a house, and it also can be good for patios, an outdoor shed, or even a driveway. The framer stated broken english that thy will finish framing home in 2 days… rest assure my client will not be happy. It was a bit hard to see in the dark they are still framing as I write this but I can tell they used common nails in the foundation straps, fastening same to pressure treated lumber.
If client goes forward, they will have quite a bit of nails to pull out…:mrgreen: Typical fast track builder. The client is looking at walking away from the home… she will meet with the builder today and let me know. I advised the client that I wanted speak with the site supervisor to ask some basic questions and for him to provide me documentation to assure us that the foundation was sound. I went to the site yesterday because based upon their actions I suspected they may be your typical fast track builder and low and behold all the walls were up and the roof is being framed today…they will finish up Monday.
I will be out of town at the International Builders Show next week so will not be able to inspect the framing for at least a week…hopefully they will wait until I get back…but then again I would not be surprised if she walks away from the home. I looked at the foundation anchor straps and you can tell they used common paslode nails not galvanized on all pressure treated lumber. The client is very particular and rightfully so…she spoke with about a dozen home inspectors prior to selecting me…and she knew all the right questions to ask.
She then followed it up with checking my references and recent inspections I performed going back to last year. As of now if they go forward I have already advised the client that an engineer will need to be brought into the equation to do further testing on the foundation…in addition I will be requesting that additional prep work be done for tile…most builders will lay ceramic tile directly onto the concrete slab which can be very problematic, especially in cases like this.
In a economy where every home sale is precious, this company and site supervisor screwed up big time. Obviously, the quality, mix and additives of the concrete make all the difference. CA has much different standards than most other states. There was quite a bit of bleeding however I have yet to find out the slump.
When I was building in Ohio, I worked with a large framing contractor who had a contract with numerous track builders…they would pour one day and we would frame the next…they would put straw down so that we would not leave footprints in the concrete…pretty pathetic.
I later would work with an old master builder from New England…we would pour the footing one day and the foundation the next…then stay off of it for about 4 weeks. I thoroughly enjoyed working with him…he was pretty much a master of all trades. At anyrate, commercial work is so much nicer in the fact that its more controlled and of course you typically have more professional workers.
I have been talking to my partner contracting side of the business about getting more into commercial work… we have a couple small commercial up fits and hopefully one small commercial building to do…however the competition is tough…people coming in from all over the US to bid on job for next to nothing…but I digress.
If I were a betting man I would say the client will walk. Seeing what I have already, I am pretty confident she will not be happy.
Most of the data I read advises to give the foundation anywhere from 3 - 7 days rest during winter pours. If the builder would have let me know that he was going to build in less than 48 hours I would have had him do several samples for field test…right now we have squat, other than the foundation to test. What extras did he add above code requirements to prevent leakage?.. As you know concrete gets stronger with age…not that its necessary to wait that long however I do believe many problems can and do arise within in the residential side of construction because of builders being in too much of a hurry to collect the paycheck.
Your garage hardstand is not part of the house slab therefore is not required to be poured during the early stages of construction. Garage hardstands are also required to be poured mm lower than your homes slab to minimise risk of flooding. The garage hardstand will be poured later in the construction process. Your Client Liaison is the primary point of contact during the construction stages. However, you will receive a phone call from your Site Manager once your slab is poured and you will have the opportunity to meet with the Site Manager at your Lock Up Meeting and New Home Presentation.
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