Farbod.Karimi
Structural
Hi, I have a Ret-Wall in Steel Structure Building. I want to know What are the Load combinations for that "Earth" load on wall in combination with other static and seismic loads. Thanks you,
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Building Concrete Retaining Wall in a Steel Structure 1
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Lomarandil
Structural
Typically in US practice, static earth and fluid loads (where they exist) are included in the standard set of load combinations with a LRFD factor of 1.6, or ASD factor 1.0.
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Former response is correct, here's the code language from ASCE 7-16 Section 2.3.6 (LRFD):
Where loads H are present, they shall be included as follows:
1. Where the effect of H adds to the primary variable load effect, include H with a load factor of 1.6;
2. Where the effect of H resists the primary variable load effect, include H with a load factor of 0.9 where the load is permanent or a load factor of 0 for all other conditions.
Where H is the load due to lateral earth pressure, ground water pressure or pressure of bulk materials.
Where loads H are present, they shall be included as follows:
1. Where the effect of H adds to the primary variable load effect, include H with a load factor of 1.6;
2. Where the effect of H resists the primary variable load effect, include H with a load factor of 0.9 where the load is permanent or a load factor of 0 for all other conditions.
Where H is the load due to lateral earth pressure, ground water pressure or pressure of bulk materials.
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