CMU/Concrete Foundation Dowels 3 - Eng-Tips
2005年2月22日 · A lot of the soils here are prone to liquefaction, or sand boils. Consequently, if you have a typical stem wall over a strip footing without the extra interface of vertical dowels, there is the risk of the stem wall literally walking away from the strip footing in a seismic even under certain concrete foundation scenarios.
concrete foundation wall expansion joints - Eng-Tips
2003年12月24日 · So question is thoughts on the requirements, or not, for expansion joints in this wall; Wall is 1260 feet long. Wall is 16" wide x 6' - 0" high. top of wall is 16" below grade. Delta T is -35 (F) winter to 95 (F) summer. Wall is reinforced EW EF with 20M bars at 6" o.c. I'm told by 'someone in the know' that the wall doesn't need any expansion ...
Concrete Ring Wall Foundation for Tank 1 - Eng-Tips
2012年7月25日 · 2) Test to see if the actual concrete strength > 35 MPa. Since the existing tank/foundation are certainly >> 28 days old, concrete strength may exceed nominal. Also, passive soil pressure outside the ring wall is typically ignored. Do the calcs to see how the amount of passive pressure needed to "pass" compares with total passive pressure ...
Crushed Stone Footing For Residential Concrete Foundation Wall
2024年8月14日 · They did, however, add approx 18" of compacted crushed stone which is acceptable as a footing for precast foundation walls and wood foundation walls in IRC. The use of compacted crushed stone is not specifically added as a footing type for concrete wall which leads me to conclude that it's not an allowable footing for concrete.
Concrete Beam to Wall Connection - Eng-Tips
2003年2月17日 · The T-beams span approximately 26ft. between columns. The T-beams are supported at each end by concrete foundation walls and there are 4 interior columns. The slab, beams and columns are being replaced and walls are remaining. My question involves the T-beam connection to the wall.
Foundation Wall Tolerances - ACI (concrete) Code Issues - Eng-Tips
2006年2月2日 · Just to make sure I'm reading ACI-117 correctly. I have a foundation wall below grade that is sitting on a footing. Since the Foundation section of ACI-117 only seems to address footings, can I move to the building section and use "4.1—Deviation from plumb 4.1.1 For heights less than or equal to...
New Poured Concrete Wall Connected to Old Stone Foundation …
2020年6月30日 · The home owners want to put in a frost wall (the homeowner is a retired foundation guy and has poured many foundations over the last forty years) and, of course do it himself. His plan is to support the addition (without raising it) then pour a 24" concrete wall on a footing below the frost level then add concrete block to the sill of the addition.
Knee wall - foundation wall 'hinge' 3 - Eng-Tips
2010年8月14日 · Usually the foundation wall is about 4'-0" tall 8" wide with an 18" wide footing. Instead of the floor framing bearing on the foundation wall there is a knee wall built usually about 2' or so tall then the floor framing bears on the knee wall. A 'hinge' is formed at the bottom of the knee wall / top of foundation wall.
Concrete Foundation Wall with Cantilevered Masonry Above …
2019年2月26日 · I would like to keep the concrete foundation wall and the masonry wall both at 8" but am concerned about the slab. I would like to tie the slab into the foundation wall to eliminate the overturning on the strip footing. I have attached two details for reference. One with a 10" concrete foundation wall and one with an 8" foundation wall (preferred).
WATERPROOFING CONCRETE FOUNDATION WALL - Eng-Tips
2007年4月24日 · I want to provide the best possible solution for water-proofing an existing concrete foundation wall that is leaking. I was thinking of Xypex Concentrate, vs more traditional asphaltic products, or maybe both. Any recommendations. Is Xypex more costly? Most jobs I see are with asphaltic type products, but I dont want to hear about it again.