Special Reinforced Concrete Shear Walls

Special reinforced concrete structural walls are walls that have been proportioned and detailed to meet special code requirements for resisting combinations of shear moment and axial force.

Special reinforced concrete 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. Concrete shear wall system requiring special code acceptance can bora research assistant department of civil and environmental engineering university of wisconsin. In asce 7 10 table 12 2 1 two types of shear walls can be used ordinary reinforced concrete shear walls and special reinforced concrete shear walls what is it the difference between these walls. Reinforced concrete shear wall analysis and design.

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

Stack bond prescriptive detailing special reinforced masonry shear walls constructed of masonry laid in stack bond must now have a minimum area of horizontal reinforcement of 0 0015 times. Seismic design of special reinforced masonry shear walls. Stack exchange network consists of 176 q a communities including stack overflow. The requirements of this section apply to special reinforced concrete structural walls serving as part of the earthquake force resisting system.

Shear wall systems that are not exempted from checks for story drift include prestressed masonry shear walls and special reinforced masonry shear walls. Shear wall section and assumed reinforcement is investigated after analysis to verify suitability for the applied loads. As typical reinforced concrete shear walls subjected to earthquake induced loads 14 15 this paper focuses on de scribing the system components key.