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What is deshuttering time for slab?
For cantilever slab it should be 28 days
How do you level the ground for a concrete slab?
ground not important ,could eyeball ...the frame is what you level..with a builders level is the fastest .
Can you pour concrete on concrete I had an addition added to my garage and the new section is over 3 inches lower than the original?
You should be able to pour an additional 3" over the new section. It wouldn't hurt to coat the existing with a bonding agent, after "keying" the surface by roughening it so that the new slab grips onto the old. First check whether these was a reason for the slab being laid at that level. Is it to do with the moisture barrier of the new slab? Slabs that do not have moisture barriers are often set below those that do to reduce the chance of moisture entering the dryer slab. If the slab level is a mistake then any contractor who poured it should be liable to pour a topping slab to bring it the correct height.
Should you pay for slab insurance when the insurance company say they will not pay a claim if the slab cracked and caused a leak?
If you have a history of slab leaks, slab insurance may be the way to go. If your leaks are caused by earthquakes, then you may want to have the insurance, but it is not the most common, overall, for a slab leak to be caused by shifting/cracked slab. Your decision should be based on whether you think there is a good chance that a slab leak will happen again.
Who use uses a trowel and a spirit level?
A Bricklayer, slab layer , tiler.
How do you repair the slab after a plumber has hammered a large whole in it to gain access to the main sewer line?
The slab is usually 4 inches thick. Fill over new plumbing with dirt. Bring the last couple of inches to level with bottom of slab with pea gravel. Pour new concrete ( a crack resistent Quickcrete or similar) 4 inches to bring level with existing slab. Trowel smooth.
What is concealed beam?
It is the type of beam whose depth is equal or greater the slab but its top level is equal to slab. Engr A.haseeb
How many ribs in slab?
For both spareribs and loin back ribs, you should expect 11-14 bones in a whole slab.
What should you do if the lap for steel reinforcement is to short but is already in concerete?
Drill out the edge of the slab and add some dowels....or cut the slab back.
How thick should a concrete slab foundation be?
4 To 6 inches
What difference suspended concrete slab between unsuspended concrete slab?
Supended slab are slab not sit on the ground directlySuspended slab is a slab supported by beams.
How should a ray of light be incident on a glass slab so that it comes out from the opposite side of slab without being displaced?
The ray of light should be incident perpendicular to the surface of the glass slab. This ensures that the light ray does not get deviated or displaced while passing through the glass slab, emerging on the other side in the same direction.
