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For a mechanical system with R > 6.0, is it permitted to use the larger R-value as long as you are also using the overstrength factor, omega when determining design anchorage forces? For example: 1.2DL + 6/9ΩEh for a system that uses R=9 compared with 1.2DL + ΩEh for a system that uses R=6 --- ...
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