Concrete Foundation Wall Design Example

305 mm thick concrete masonry foundation wall 12 ft 3 66 m high.

Concrete foundation wall design example.

This session is not intended to teach concrete design but more of an awareness of why things are the way they are american concrete institute building code requirements for. Using table 4 the wall can be adequately reinforced using no. Footings example 1 design of a square spread footing of a seven story building design and detail a typical square spread footing of a six bay by five bay seven story building founded on stiff soil supporting a 24 in. Bearing wall of a 10 story building founded on soil.

A name for width dimension a name for area b width of retaining wall stem at base width resisting shear stress bo perimeter length for two way shear in concrete footing design b spread footing or retaining wall base dimension in concrete design cc shorthand for clear cover. Arch 331 note set 27 1 f2015abn 417 foundation design notation. Chapter 3 foundations and foundation walls 53 3 2 concrete foundations regardless of seismic design category the minimum specified concrete strength for foundations and foundation walls is 2 500 pounds per square inch psi with higher strength necessary when a foundation is exposed to the weather and the house is located in a moderate or. Footings example 1 design of a continuous wall footing determine the size and reinforcement for the continuous footing under a 12 in.

Equivalent fluid pressure is 45 psf ft 7 0 kn m m excluding soil load factors 10 ft 3 05 m backfill height. Included are charts and graphs to assist in the design of structural systems with and without the wall laterally supported at the top. The reader is referred to tek 3 11 concrete masonry basement wall construction tek 19 3b preventing water penetration in below grade concrete masonry walls and ncma s basement manual for more detailed design and. The bottom of the footing is 13 ft below finished grade.

This tek contains details for various types of concrete masonry foundation walls with accompanying text as appropriate. M 29 at 1 829 mm. The retaining wall is fixed to the reinforced concrete slab foundation with a shear key for sliding resistance. Concrete foundation walls regardless of the type of concrete foundation wall selected the designer needs to determine the nominal and factored loads that in turn govern the type of wall reinforced or unreinforced that may be appropriate for a given application.

9 bars at 72 in. This design example focuses on the analysis and design of a tapered cantilever retaining wall including a comparison with model results from the engineering software programs spwall and spmats. 5 6 footing design examples. It is the purpose of this article to outline the procedures for adequately designing concrete foundation walls subjected to lateral soil pressure.

The following sections detail design methods for both wall types.