Wall Footing Concrete Foundation Wall Design Example

νc 4 ksi y 60 ksi dead load d 25 k ft live load l 12 5 k ft wind o t.

Wall footing concrete foundation wall design example.

9 bars at 72 in. A 10 thick wall carries a service dead load of 8k ft and service live load of 9k ft. Now your task is to design the wall footing for. Concrete strength al ൯ne for an 10 thick wall with 5 10 and 2 5 clear to strength steel will only reduce the nominal moment capacity of the secti對on from 136 68 to 135 66 inch kips 尩 if the concrete strength decreased from 3 5 to 3 0 ksi.

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. 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. Although the top surface of poured concrete footings should be relatively level it should generally not be troweled smooth as a slightly roughened surface enhances the bond between the mortar and concrete. Equivalent fluid pressure is 45 psf ft 7 0 kn m m excluding soil load factors 10 ft 3 05 m backfill height.

At the base of footing the allowable soil pressure is 5000psf and base of footing is 5 below the existing ground surface. Reinforced concrete shear wall foundation strip footing analysis and design a 12 in. Tawfik kettanah the art of. Mike day everything about concrete 1 786 944 views.

M 29 at 1 829 mm. Using table 4 the wall can be adequately reinforced using no. Footings example 1 design of a continuous wall footing determine the size and reinforcement for the continuous footing under a 12 in. Bearing wall of a 10 story building founded on soil.

The allowable soil pressure is 5000 psf. 305 mm thick concrete masonry foundation wall 12 ft 3 66 m high. Week 08 rc wall footing design lecture duration. The retaining wall is fixed to the reinforced concrete slab foundation with a shear key for sliding resistance.

The building has a 10 ft high basement. Concrete compressive strength f c 3ksi. Thick structural reinforced concrete shear wall is to be supported by a strip footing. Wall footing design example statement.

Shallow foundation design example 4. W 4 k ft axial load due to overturning under wind loading.