The Right Footings for Strong Foundations - Fine Homebuilding
WEBTRENCH FOOTING Building a trench footing is as simple as scraping off the topsoil, digging a trench, adding rebar, and filling the trench with concrete. PROS: Because they require so little labor, trench footings can be created fast and are less expensive than formed footings. CONS: Some jurisdictions don’t allow this type of footing. It is ...
Proper spacing for rebar - Fine Homebuilding
WEBNov 19, 2002 — It create a bending of the slab. rebar strength is in tension, so by adding rebar to BOTTOM of foundation, it counter acts the load of compression. a car weight about 5000lb. It has a foot print of four tires about 10 inches by 10 inches time 4. that is 2.74 sq feet 5000/2.74 equals 1824 lbs per sq feet. a weak concrete has a compression ...
Placement of rebar in a slab - Fine Homebuilding
WEBJan 23, 2007 — I don’t think that this is correct. I believe the rebar should be 1/4 to 1/3 of the slab thickness from the bottom. The reason is because the lower part of the slab (from the center of the thickness down) is in tension when the load is on the top of the slab. Concrete is not strong in tension and the rebar is.
Suspend rebar from bottom of footing - Fine Homebuilding
WEBApr 9, 2006 — Then place each block gingerly below your rebar to maintain your 3 " minimum soil from steel clearance. placing rebar until the bottom of the excavation was "blinded" by ####two inch, unreinforced, weak mix skim. The rebar would then be supported by 'chairs', saddles, or dimensioned blocks.
orient rebar in monoslab footing - Fine Homebuilding
WEBAug 21, 2009 — 4 #4 T&B (top and bottom) Bend a #3 stirrup around those every 48". Leave a leg extended on the stirrup so you won't need a separet bent bar to tie into the the rebar in the "field" of the slab. Occupational hazard of my occupation not being around (sorry Bubba) splintergroupie | Aug 21, 2009 11:12pm | #13.
My builder didn’t put any rebar in my foundation walls
WEBJun 18, 2017 — We've hired a builder (won't name names) to build us a home in Michigan with 9' basement walls. They were poured 6" thick with 3,000 PSI concrete on concrete footings. The unbalanced dirt is about 7'-8'. There will be a solid concrete slab, with standard mudsill/platform framing. I was present for the footing pour, and the steel form …
A Solid Deck Begins with Concrete Piers - Fine Homebuilding
WEBFill the tubes with concrete until it reaches the nail. The concrete should be just slightly on the wet side, about the consistency of thick oatmeal. As the concrete is poured into the tube, a helper uses a shovel to agitate the mix every 8 …
How to Install a Grade Beam for Deck Stairs - Fine Homebuilding
WEB11. Cut lengths of rebar 4 in. shorter than the overall footing length and 2 in. shorter than the overall height. 12. Use rebar ties to connect the rebar frame. For a small footing like this, the exact configuration is not critical. 13. Hand mix the concrete until it has the consistency of thick cottage cheese. 14.
Forming and Pouring Footings - Fine Homebuilding
WEBNov 1, 1998 — Pouring the footings. The footing forms are filled to grade, and the concrete is worked with the flat side of a shovel until the footings are level. Then -in. rebar is pushed down into the fresh concrete (6). The top is troweled smooth (7), and a keyway is formed by dragging a 2×4 down the center of the footing (8).
FOOTINGS; re-bar vs. no re-bar - Fine Homebuilding
WEBMar 19, 2006 — The guy i got to dig and poor my footings tells me that I don’t need re-bar in my soil type in this area. I have never heard of such a thing. I opted to use 2 #4 re-bar run continuously through out the footings and 3 #4 re-bar in the garage entrance footing. I also increased the footing size from 16×8 to 20×10.