Reinforced concrete mechanics and design 7th edition 2016 james wight pearson example 18 2 design data f c 4 000 psi normal weight concrete f y 60 000 psi slab thickness 7 in.
Special reinforced concrete shear wall design example.
3500 psi concrete 5 10.
3 clear rather than the designed 2 clear.
Based on aci 18 10 4 1 nominal shear strength v n of structural walls is not to exceed vn acv c f c t fy where c is a coefficient defining the relative contribution of concrete.
Provisions chapter 4 presents design coefficients and system limitations for various seismic design categories.
P d 40 kips.
Precast walls can be.
In reinforced concrete buildings the vertical elements are usually either moment resisting frames or structural walls sometimes referred to as shear walls.
P l 25 kips.
Seismic design of special reinforced masonry shear walls.
Reinforced concrete shear wall analysis and design.
Wall length 18 ft vertical reinforcement.
The design and detailing requirements for special reinforced concrete shear walls have undergone significant changes from aci 318 11 to aci 318 14.
Aci 318 05 design data.
Shear strength reduced from 7654 lbs to 6589 lbs.
Special reinforced concrete structural walls are walls that have been proportioned and detailed to meet special code requirements.
On centers in each face a s vertical 5 18 in.
Shear wall section and assumed reinforcement is investigated after analysis to verify suitability for the applied loads.
Wall thickness 10 in.
A reinforced concrete load bearing shear wall supporting for a four story building.
Shear in k in ksi in v a f d f d s s a v ns v y v y v v ns 33 1 54 0 0 5 0 5 0 31 60 192 0 5 use 5 bars in bond beams in psi k kips a f p.
A structural reinforced concrete shear wall in a 5 story building provides lateral and gravity load resistance for the applied load as shown in the figure below.
In this example design for 200 kips or 10 greater than 181 kips example.
Special reinforced wall shear walls 87 example.
Special r c shear walls.
Service load dead load at each floor and roof.
Special intermediate ordinary two possible seismic resisting systems using reinforced concrete are moment frames and shear walls.
5 bars at 18 in.
Strength reduced from 136 7 to 116 8 in kips.
Bending strengthof the section has been reduced by about 15 shear strengthat wall base has been reduced by about 14.
Design of reinforced concrete load bearing shear wall.
Ordinary special precast shear walls.
The requirements of this section apply to special reinforced concrete structural walls serving as part of the earthquake force resisting system.
