ICC Structural Codes 2

Question 1

Which lateral force-resisting system uses diagonal members to form triangulated frames that resist horizontal loads through axial forces?

Accepted Answer

Braced frame system

Answer

Braced frame systems use diagonal members to create triangulated configurations, resisting lateral forces primarily through axial tension and compression rather than through bending.

Question 2

What is the primary structural function of a shear wall?

Accepted Answer

Resisting lateral forces such as wind and seismic loads

Answer

Shear walls are vertical planar structural elements designed to resist lateral forces (wind and seismic), transferring those forces through floor diaphragms to the foundation.

Question 3

Under IBC and ASCE 7, what does 'story drift' measure in a building subjected to lateral loads?

Accepted Answer

The relative horizontal displacement between adjacent floor levels under lateral loading

Answer

Story drift is the horizontal displacement of one floor level relative to the floor directly below it when the building is subjected to wind or seismic lateral forces.

Question 4

What type of foundation system transfers building loads through weak surface soils down to competent bearing strata or bedrock at significant depth?

Accepted Answer

Deep pile foundation

Answer

Deep pile foundations penetrate through weak or compressible soils to transfer structural loads by end bearing on rock or through skin friction in deeper competent material.

Question 5

Which material design standard does the IBC reference for the structural design of reinforced concrete members?

Accepted Answer

ACI 318

Answer

ACI 318 'Building Code Requirements for Structural Concrete' is the standard referenced by the IBC for the design of reinforced concrete structural members.

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ICC Structural Codes 2