Special Reinforced Concrete Shear Wall Design Example

Special r c shear walls.

Special reinforced concrete shear wall design example. Live load at each floor and roof. Special reinforced concrete structural walls are walls that have been proportioned and detailed to meet special code requirements. Wall thickness 10 in. Strength reduced from 136 7 to 116 8 in kips.

A reinforced concrete load bearing shear wall supporting for a four story building. 3 clear rather than the designed 2 clear. In this example design for 200 kips or 10 greater than 181 kips example. Seismic design of special reinforced masonry shear walls.

Design of reinforced concrete load bearing shear wall. 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. 5 bars at 18 in. Service load dead load at each floor and roof.

The requirements of this section apply to special reinforced concrete structural walls serving as part of the earthquake force resisting system. On centers in each face a s vertical 5 18 in. P d 40 kips. Reinforced concrete shear wall analysis and design.

Special reinforced wall shear walls 87 example. The design and detailing requirements for special reinforced concrete shear walls have undergone significant changes from aci 318 11 to aci 318 14. Shear strength reduced from 7654 lbs to 6589 lbs. 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.

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 reinforced concrete buildings the vertical elements are usually either moment resisting frames or structural walls sometimes referred to as shear walls. 3500 psi concrete 5 10. Shear wall section and assumed reinforcement is investigated after analysis to verify suitability for the applied loads.

Aci 318 05 design data. Ordinary special precast 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 l 25 kips.

Wall length 18 ft vertical reinforcement. Special intermediate ordinary two possible seismic resisting systems using reinforced concrete are moment frames and shear walls. The changes are a result of the unsatisfactory performance of many shear walls in the chile earthquake of 2010 and the christchurch new zealand earthquake of 2011. Precast walls can be.