Concrete Foundation Wall Design Example

Footings example 1 design of a continuous wall footing determine the size and reinforcement for the continuous footing under a 12 in.
Concrete foundation wall design example. Two equations are developed. Concrete compressive strength f c 3ksi. 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. 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.
The forms are removed once the concrete is hard and then used as forms for subsequent walls or in some cases as the floor sheathing as construction progresses. Wall footing design example statement. F c 3000 psi fy 60 ksi natural soil development of structural design equations. Reinforced concrete foundations or footings transmit loads from a structure to the supporting soil.
It is the purpose of this article to outline the procedures for adequately designing concrete foundation walls subjected to lateral soil pressure. Now your task is to design the wall footing for. Ce 437 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions. 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.
A 10 thick wall carries a service dead load of 8k ft and service live load of 9k ft. Arch 331 note set 27 1 f2015abn 417 foundation design notation. 5 6 footing design examples. Aci e702 example problems buried concrete basement wall page 5 of 9 calculations references flexure and axial design vertical reinforcement at base of wall using section 14 4 design method walls designed as compression members based on preliminary investigation try 6 bars at an 8 inch spacing 6 8.
Concrete basement walls have been cast for decades between plywood or other forms leaving a solid core flat face wall. At the base of footing the allowable soil pressure is 5000psf and base of footing is 5 below the existing ground surface. The following sections detail design methods for both wall types. Bearing wall of a 10 story building founded on soil.
In this example the structural design of the three retaining wall components is performed by hand. The retaining wall is fixed to the reinforced concrete slab foundation with a shear key for sliding resistance.