Chapter 9 - Diaphragms

 

News

  • 72 Die in India Building Collapse
    • 9 arrested
      • Police also arrested three officers of the municipal agency that clears construction projects in the area, one police official, a building-material supplier, a local politician and a mediator who worked for the builders.
      • All were arrested on initial charges, which include causing death and criminal conspiracy as they knowingly allowed poor-quality work...
  • Build to Fail, Fail to Build

Objectives

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Concepts

  1. Introduction
  2. Basic Diaphragm Action
  3. Shear Resistance
  4. Diaphragm Chords
  5. Design Problem: Roof Diaphragm
  6. Distribution of Lateral Forces in a Shearwall
  7. Collector (Strut) Forces
  8. Diaphragm Deflections
  9. Diaphragms with Interior Shearwalls
  10. Interior Shearwalls with Collectors
  11. Diaphragm Flexibility

Problems

6e
Examples 		6e
Homework 		Figure
nailing   09.001 -- solution 9.A
nailing, chord forces   09.002 -- solution 9.A
spreadsheet   09.003 -- -- 9.A
nailing, chord & strut forces   09.004 -- -- 9.B
spreadsheet   09.005 -- -- 9.B
modify 9.4   09.006 -- -- 9.B
chord & strut forces   09.007 -- solution 9.A
panels, nailing, chord and strut stress, deflection   09.008 -- -- 9.A
tilt-up walls   09.009 -- -- 9.C
interior shear wall   09.010 -- -- 9.D
collector stress in interior shear wall   09.011 -- -- 9.D