Part 1 - Problem 09: The deliverable states that Allowable Stress Design load combinations should be used when determining member forces, referring to ASCE 7 for the appropriate load combinations. Should we choose the combinations according to paragraph 2.4.5/pg.8-9 from ASCE? Could you give us more insight about these combinations, taking into account the fact that we are not familiar with ASCE and we want to avoid introducing wrong data in our SAP2000 model?

Question

Part 1 - Problem 09:  The deliverable states that Allowable Stress Design load combinations should be used when determining member forces, referring to ASCE 7 for the appropriate load combinations. Should we choose the combinations according to paragraph 2.4.5/pg.8-9 from ASCE? Could you give us more insight about these combinations, taking into account the fact that we are not familiar with ASCE and we want to avoid introducing wrong data in our SAP2000 model?

Accepted Answer

Yes, you are correct that section 2.4.5 of ASCE 7-16 refers to the appropriate load combinations. Rather than calculating Ev and Eh using section 12.4.2, it is permitted to
simply input the time history as Eh and neglect Ev. Additionally, you may disregard overstrength.