Maximum Length Of Concrete Shear Wall

Wood structural panel unblocked 3 1.

Maximum length of concrete shear wall.

4 bars at 16in. Diaphragm aspect ratio is ok. Spacing of vertical reinforcement reduced to 48 inches. Maximum length is the overall wall length offset.

A length to height ratio of 1. On centers in each face as horizontal 4 16 in 1. Type maximum length width ratio for an 84 x 34 diaphragm the aspect ratio is 2 5 3. 1 which corresponds to 1 x 20 ft 30 ft 9 14 m or control joints spaced every 25 ft 7 62 m.

Maximum spacing of vertical and horizontal reinforcement is min 1 3 length of. Enter the length to be used in the analysis of the particular wall section. Reinforced shear wall 7 3 2 5. In this example the maximum spacing of 25 ft 7 62 m governs over the length to height ratio.

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. Per sdpws section 4 3 5 2 2008 requirement many examples ignore gravity loads example ftao shear walls. Length of wall per sdpws section 4 3 5 2 anchor bolts or nails typical boundary member typical boundary member 2 min. Design for shear max.

Reinforced wall with prescriptive reinforcement of detailed plain shear wall. Maximum shear wall dimension ratios. On centers in each face as vertical 5 18 in horizontal reinforcement. The program considers the effective shear length of the wall to be 0 8 wall length.

Shear walls with multiple openings and no headers. Wall length 18 ft. If you leave this entry blank it will be filled in for you by the program. 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.

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. Wood frame shear wall and diaphragm design ricky mclain ms pe se. Reinforced shear wall 7 3 2 6. Wall length is the length of the wall section.