Diaphragm shear deflection equationsdiaphragm shear deflection may determined the following equations where diaphragm shear web deflection qave average diaphragm shear lbs distance between vertical resisting element such shear wall and the point which deflection calculated diaphragm shear stiffness factor kips depth diaphragm diaphragm length concentrated load lbs uniform load lbs shear
DIAPHRAGM SHEAR DEFLECTION EQUATIONS
| Type of Loading | Loading Condition | Shear Deflection | Diagrams |
|---|---|---|---|
| Simple Span | Uniform Load, w | ∆𝑤= 𝑞𝑎𝑣𝑒𝐿1 𝐺′ | |
| Diaphragm, | |||
| Deflection at L1 | |||
| Simple Span | ∆𝑤= 𝑤𝐿2 8𝑏𝐺′ |  |
|
| Diaphragm, | Uniform Load, w | ||
| Deflection at center | |||
| Simple Span | Point Load, P |  |
|
| Diaphragm, | |||
| Deflection at center | |||
| Simple Span | Point Load, P | ∆𝑤= 𝑃𝐿 3𝑏𝐺′ | |
| Diaphragm, | |||
| Deflection at |  |
||
| 1/3 points | |||
| Cantilever Diaphragm, | Uniform Load, w | ∆𝑤= 𝑊𝐿2 2𝑏𝐺′ | |
| Deflection at Free End | |||
| Cantilever Diaphragm, | Point Load, P | ∆𝑤= 𝑃𝐿 𝑏𝐺′ |  |
| Deflection at Free End |
