Special Reinforced Concrete Shear Wall Design Example

Provisions chapter 4 presents design coefficients and system limitations for various seismic design categories.

Special reinforced concrete shear wall design example.

Reinforced concrete shear wall analysis and design 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. The prescriptive seismic detailing requirements for each of three reinforced masonry shear walls types ordinary intermediate and special are explained with particular attention to special reinforced shear walls. A guide for practicing engineers nist gcr 14 917 31 prepared by the applied technology council for the national institute of standards and technology gaithersburg md. P d 40 kips.

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. Strength reduced from 136 7 to 114 9 in kips. Seismic design of special reinforced masonry shear walls. The requirements of this section apply to special reinforced concrete structural walls serving as part of the earthquake force resisting system.

The design process is illustrated with examples. Special r c shear walls. 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. Service load dead load at each floor and roof.

Shear wall section and assumed reinforcement is investigated after analysis to verify suitability for the applied loads. 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. Special intermediate ordinary two possible seismic resisting systems using reinforced concrete are moment frames and shear walls. Live load at each floor and roof.

Both the design for overturning and the design for shear are explained. A guide for practicing engineers the basic structural elements of an earthquake resistant building are diaphragms vertical framing elements and the foundation. P l 25 kips. Precast walls can be.

Design of reinforced concrete load bearing shear wall. Seismic design of cast in place concrete special structural walls and coupling beams. Ordinary special precast shear walls. The design and detailing requirements for special reinforced concrete shear walls have undergone significant changes from aci 318 11 to aci 318 14.

In reinforced concrete buildings the vertical elements are usually either moment resisting frames or. A reinforced concrete load bearing shear wall supporting for a four story building. Shear wall section and assumed reinforcement is investigated after analysis to verify suitability for the applied loads. Aci 318 05 design data.