Special Reinforced Concrete Shear Wall Design Example

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.

Special reinforced concrete shear wall design example.

Strength reduced from 136 7 to 116 8 in kips. 3 clear rather than the designed 2 clear. Shear wall section and assumed reinforcement is investigated after analysis to verify suitability for the applied loads. Essential for stability check of reinforced concrete structure.

Design of reinforced concrete load bearing shear wall. If you spend hours calculating and then recalculating wall stiffnesses kr2 direct and torsional rotation component of force to then calculate reinforcement and concrete stresses for each wall in turn then this spreadsheet will reduce your design time to as little as. 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 structural walls sometimes referred to as shear walls.

Special reinforced concrete structural walls are walls that have been proportioned and detailed to meet special code requirements. P d 40 kips. Wall length 18 ft vertical reinforcement. Service load dead load at each floor and roof.

Aci 318 05 design data. Shear strength reduced from 7654 lbs to 6589 lbs. 3500 psi concrete 5 10. P l 25 kips.

Special reinforced wall shear walls 87 example. The requirements of this section apply to special reinforced concrete structural walls serving as part of the earthquake force resisting system. Seismic design of special reinforced masonry shear walls. 5 bars at 18 in.

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. 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. In this example design for 200 kips or 10 greater than 181 kips example. Reinforced concrete shear wall analysis and design.

Wall thickness 10 in. On centers in each face a s vertical 5 18 in. A reinforced concrete load bearing shear wall supporting for a four story building. Live load at each floor and roof.

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.