Maximum Length Of Concrete Shear Wall

Reinforced shear wall 7 3 2 6.

Maximum length of concrete shear wall.

Maximum length is the overall wall length offset. 1 which corresponds to 1 x 20 ft 30 ft 9 14 m or control joints spaced every 25 ft 7 62 m. Shear wall is a vertical structural element used to resist the lateral forces that are usually due to the wind and seismic loads. Reinforced shear wall 7 3 2 5.

A length to height ratio of 1. Enter the length to be used in the analysis of the particular wall section. Wood frame shear wall and diaphragm design ricky mclain ms pe se. The program considers the effective shear length of the wall to be 0 8 wall length.

Per sdpws section 4 3 5 2 2008 requirement many examples ignore gravity loads example ftao shear walls. On centers in each face as vertical 5 18 in horizontal reinforcement. Spacing of vertical reinforcement reduced to 48 inches. In this example the maximum spacing of 25 ft 7 62 m governs over the length to height ratio.

Reinforced wall with prescriptive reinforcement of detailed plain shear wall. On centers in each face as horizontal 4 16 in 1. Wall length is the length of the wall section. If you leave this entry blank it will be filled in for you by the program.

Diaphragm aspect ratio is ok. Type maximum length width ratio for an 84 x 34 diaphragm the aspect ratio is 2 5 3. Maximum shear wall dimension ratios. 5 bars at 18in.

These forces are acting in the plane of the wall by the cantilever action where the bending deformation governs if slender walls are concern and a truss action for short walls where the. This module allows the design of concrete shear walls including multi story walls with no openings but with up to five levels of differing length height and thickness. Wall length 18 ft. Wood structural panel unblocked 3 1.

Length of wall per sdpws section 4 3 5 2 anchor bolts or nails typical boundary member typical boundary member 2 min. Shear due to loads v u design shear capacity ϕv n where ϕ 0 75 design shear capacity ϕv n design shear strength of concrete ϕv c design shear strength of reinforcement ϕv s ϕv n ϕv c ϕv s therefore v u ϕv c ϕv s shear force that concrete can resist without web reinforcement v c. Design for shear max. Shear walls with multiple openings and no headers.