2 5 clear to strength steel 5 12 rather than the designed 5 10 bending strength of the section has been reduced by about 16.
Reinforced concrete basement wall design example.
By a basement wall i mean a wall with living space on one side and outside soil or other backfill on the other and a superstructure overhead.
A sideways force against a basement wall puts one face of the wall in tension see figure 1 next page and concrete s tensile strength is much lower than its compressive strength.
Taber pe page 1 of 9 example problem.
Aci e702 example problems buried concrete basement wall l.
And it is made of concrete reinforced concrete.
No doubt there are many concrete basement walls without reinforcement.
Strength of reinforced concrete sections amount of rebar a s the project calls for 5 10 and 5 12 are used.
Equivalent fluid pressure is 45 psf ft 7 0 kn m m excluding soil load factors 10 ft 3 05 m backfill height.
Designing a wall to prevent failure in bending requires a proper analysis of the soil loads and an appropriate structural design of the wall.
Using table 4 the wall can be adequately reinforced using no.
305 mm thick concrete masonry foundation wall 12 ft 3 66 m high.
M 29 at 1 829 mm.
Step by step calculations for the design of a basement retaining wall example from scratch using asdip retain structural engineering software.