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.
Reinforced concrete wall details.
Manual for design and detailing of reinforced concrete to september 2013 the code of practice for structural use of concrete 2013 contents 1 0 introduction 2 0 some highlighted aspects in basis of design 3 0 beams 4 0 slabs 5 0 columns 6 0 beam column joints 7 0 walls 8 0 corbels 9 0 cantilevers 10 0 transfer structures 11 0 footings.
This type of walls has vertical stem monolithic with the base.
Note that building code b1 as1 amendment 11 removed the untied slab footing details in figures 7 13 a 7 14 a 7 15 a and 7 16 a of the standard.
Creating a wall opening in a reinforced concrete wall creates extra stress around that opening especially at the corners.
Detailing of reinforcement is 456 guidelines.
For rc wall minimum vertical reinforcement is 0 4 of c s in plain concrete wall transverse steel is not required in rc wall transverse steel is not.
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.
Window and door headers also known as lintels can be subjected to significant bending moment and shear forces depending on several factors.
The use of wsdot standard plan reinforced concrete retaining walls and traffic barrier details for reinforced concrete retaining wallsshall be limited as follows.
Concrete protection for reinforcement plays an essential role in the requirements of bar spacing and.
A slender section can be used in this retaining wall the tensile stresses within the stem and the base is resisted by steel reinforcement.
Most walls will have window or door openings or both.
This article is the fourth in a series on recommended reinforcement details for cast in place concrete.
Strength of reinforced concrete sections amount of rebar a s the project calls for 5 10 and 5 12 are used.
Reinforced concrete cantilever types of retaining wall are recommended for heights up to 7 m.
For plain concrete wall minimum vertical steel is 0 12 for hysd bars and 0 15 for mild steel bar.
Backfilling against reinforced masonry retaining walls shall not be permitted until at least 7 days after placing concrete or grout in cores.
All concrete slab on ground floors must now be reinforced and the slab reinforcing tied into the perimeter footing reinforcing.
Strength reduced from 136 7 to 114 9 in kips.
Heavy equipment shall maintain a distance away from the wall equal to the wall s height.