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Timber beam deflection

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Can someone advise on this hypothetical timber beam deflection problem?

1 .A  beam is loaded. The immediate sag is 0.25 ins. The load remains and in
time the sag creeps to 0.50 ins.

2. After that, the load is removed.  What is the sag now?

3.  The load is reapplied. What is the sag now and in the long term?

Thank you,

              Roy Levy,   P.E.