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 Solution:
(1) Determine reactions around door opening.
(2) Select plate thickness.
(3) Select stiffener size and spacing.
(4) Check adequacy of section for door reactions.
(5) Determine loads on each hinge during the rebound phase.
These loads should be available in the design
calculations of the blast door.
(6) Check stresses on frame due to these hinge loads.
(7) Determine size of anchor rods (or "cadwelds").
Use
Equation 5-13 of NAVFAC P-397.
Calculation:
Given:
Door parameters
Solution:
(1) Determine reactions around door opening.
The ultimate unit resistance of door,
ru = 322.2 psi
2.08-289
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