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Knowledgebase Article 1224
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Question:
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COMPRESS uses only 60% of the weight for
determining the tensile force in the anchor
bolts when designing a vessel using the
ASCE 7-05 Code. What is the reason for not
using 100%?
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Answer:
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The factor 0.6 is from the ASCE 7 load combinations
that include wind or seismic. By default, COMPRESS
will consider load combinations 7 and 8 of
ASCE 7-05, etc, paragraph 2.4. These load
combinations are specified with reduced dead load
in combination with full wind and seismic bending
moments.
COMPRESS allows the Engineer to override these
load combinations if desired. Access the
Action menu then
select the Set Mode
Options command. Select the
Calculation tab on
the Set Mode Options
dialog and "check" the option labeled
"Do Not Consider ASCE Load Combinations 7
and 8" then click "OK". See below:
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