Lesson 3 Assessment

Difficulty Level: 2/5

Estimated Time to Complete: 10 minutes

Problem Statement: Diaphragm Behaviors

A wood-frame industrial building is subjected to a net north-south unfactored wind load, as given below. All four perimeter walls act as shearwalls. The roof diaphragms are made of joists, spaced 600 mm on centre. The roof and floor diaphragms are supported by shearwalls “A” & “B” and seven glulam beams spaced 4 m O.C.

US_Shw_L3 Télécharger

This assignment focuses on the wind load transmitted to first floor shearwalls (L1) by the floor diaphragm.

Question 1

Considering that the floor diaphragm is subjected to wind loading W (in lbs) and exhibits rigid behavior, what would be the expression of the shear force induced in shearwall "B" (in lbs)? *

7W / 12

10W / 24

24W / 14

0.5W

Question 2

Considering that the floor diaphragm is subjected to wind loading W (in lbs) and exhibits rigid behavior, what would be the expression of the shear force induced in each segment of shearwall "A"? *

14W / 24

10W / 24

5W / 24

0.5W

Question 3

Considering that the floor diaphragm is subjected to wind loading W (in lbs) and exhibits flexible behavior, what would be the expression of the shear force induced in shearwall "B"? *

14W / 24

10W / 24

24W / 14

0.5W

Question 4

Considering that the floor diaphragm is subjected to wind loading W (in lbs) and exhibits flexible behavior, what would be the expression of the shear force induced in each segment of shearwall "A"? *

14W / 24

10W / 24

5W / 24

0.25W

Shearwalls Course - US

Lesson 3 Assessment

Problem Statement: Diaphragm Behaviors

Question 1

Question 2

Question 3

Question 4

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