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Temporary Structures Shear and Moment Stresses and Causes Temporary Structures Shear and Moment Stresses and Causes Temporary Structures Shear and Moment Stresses and Causes
wind_and_seismic_loads_1_.pdf

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NewSchool of Architecture + Design
AR595/CM222 Temporary Structures
Shear and Moment Stresses and Causes
This assignment may be prepared and turned in via Blackboard in MS Word or pdf format.
Temporary structures, just like permanent structures, are made of various members which are under
stress from forces. We have discussed tension and compression forces, as well as shear, bending and
moment forces on beams and trusses. These members are used frequently in many temporary
structures.
While compression and tension forces generally come from gravity loads, shear and moment stresses
can come from environmental loads on and around the site which generate forces. Two major causes
of shear or moment force are wind and seismic events. When designing and constructing temporary
structures, these must be taken into account, in addition to gravity loads.
1. Give an examples of how Wind Loads can affect temporary structures:


Name at least three temporary structures that can be affected by wind loads
Give examples of how the wind loads may affect these structures (uplift, moment,
lateral pull/push, downward thrust, tipping/falling, etc.)

Offer ideas on how these potential problems can be mitigated for the temporary
structures you selected.
2. Seismic Loads


Name at least three temporary structures that can be affected by seismic loads
Give examples of how the seismic loads may affect these structures (shear, moment,
lateral pull/push, tipping/falling, joint stress leading to collapse, etc.)

Offer ideas on how these potential problems can be mitigated for the temporary
structures you selected.
3. Geographic Considerations

Provide examples of geographic areas where wind load would be a major consideration
in designing and constructing temporary structures on a site.

Provide examples of geographic areas where seismic loads would be a major
consideration in designing temporary structures on a site.

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