Wall Footing Concrete Foundation Wall Design Example

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.

Wall footing concrete foundation wall design example.

W 4 k ft axial load due to overturning under wind loading. Concrete compressive strength f c 3ksi. 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. νc 4 ksi y 60 ksi dead load d 25 k ft live load l 12 5 k ft wind o t.

A 10 thick wall carries a service dead load of 8k ft and service live load of 9k ft. 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. Now your task is to design the wall footing for. Reinforced concrete shear wall foundation strip footing analysis and design a 12 in.

The bottom of the footing is 13 ft below finished grade. 9 bars at 72 in. The shear wall carries service dead and live loads of 10 kips ft and 12 5 kips ft respectively. Wall footing design example statement.

Mike day everything about concrete 1 786 944 views. 305 mm thick concrete masonry foundation wall 12 ft 3 66 m high. At the base of footing the allowable soil pressure is 5000psf and base of footing is 5 below the existing ground surface. Thick structural reinforced concrete shear wall is to be supported by a strip footing.

Shallow foundation design example 4. The building has a 10 ft high basement. The allowable soil pressure is 5000 psf. M 29 at 1 829 mm.

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. Week 08 rc wall footing design lecture duration. Unless otherwise required footings should be carefully aligned so that the concrete masonry wall will be near the center line of the footing. Equivalent fluid pressure is 45 psf ft 7 0 kn m m excluding soil load factors 10 ft 3 05 m backfill height.

Tawfik kettanah the art of. Using table 4 the wall can be adequately reinforced using no.