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The test assembly shall be subjected to an increasing superimposed load equal to not less than two times the superimposed design load. The test load shall be left in place for a period of 24 hours. The tested assembly shall be considered to have successfully met the test requirements if the assembly recovers not less than 75 percent of the maximum deflection within 24 hours after the removal of the test load. The test assembly shall then be reloaded and subjected to an increasing superimposed load until either structural failure occurs or the superimposed load is equal to two and one-half times the load at which the deflection limitations specified in Section 1709.3.2 were reached, or the load is equal to two and one-half times the superimposed design load. In the case of structural components and assemblies for which deflection limitations are not specified in Section 1709.3.2, the test specimen shall be subjected to an increasing superimposed load until structural failure occurs or the load is equal to two and one-half times the desired superimposed design load. The allowable superimposed design load shall be taken as the least of:
  1. The load at the deflection limitation given in Section 1709.3.2.
  2. The failure load divided by 2.5.
  3. The maximum load applied divided by 2.5.

Related Code Sections

1709.3.1 Special Inspections and Tests, Test Procedure
The test assembly shall be subjected to an increasing superimposed load equal to not less than two times the superimposed design load. The test load ...
1709.3.1 Special Inspections and Tests, Test Procedure
The test assembly shall be subjected to an increasing superimposed load equal to not less than two times the superimposed design load. The test load ...