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Vertical Shore Testing, 2000

 

Shore Test Statistics

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Carlos in cab of 75-ton gantry crane preparing for static shore test. (76,892 bytes) Carlos in cab of 75-ton gantry crane preparing for static shore test. (24,401 bytes) Setup team installing dynamometer on crane hook. (115,288 bytes) Making lift of 45-ton load. (77,206 bytes)
18-ton load on NASA Class-III Vertical Shore. (108,031 bytes) Preparing to place additional load on shore. (96,831 bytes) Double column failure. Failure was considered catastrophic. (97,762 bytes) Compression of header and wedges. (95,588 bytes)
NASA Class-III Vertical Shore after failure. (88,040 bytes) Compression of header and wedges. (83,496 bytes) Students discussing failure mechanism. (82,755 bytes) Major wedge compression leading to total wedge failure. (78,900 bytes)
Minor header compression. (69,714 bytes) Major wedge and gusset compression. (69,152 bytes) Major header compression. (71,177 bytes) Removing temporary supports. (97,105 bytes)

Dynamic Vertical Shore Test - CSRC 2000

Type of Shore: NASA 4-Post Vertical Shore
Offset %: 0%
Test Load: ~30 tons
Load at Failure: Did not fail
Test Duration: 7 minutes
Test frequency: .25 cycles per second - 15cps
System Compression Prior to Failure: ~8%
Height of shore: 58 inches
Fasteners: Stainless Steel Screws

Type of Shore: FEMA 3-Post Vertical Shore
Offset %: 0%
Test Load: ~30 tons
Load at Failure: `30 tons
Test Duration: 30 seconds
Test frequency: .25 cycles per second - 15cps
Frequency at failure: ~15cps
System Compression Prior to Failure: ~8%
Height of shore: 58 inches
Fasteners: Stainless Steel Screws

Vertical Shore Test - CSRC 2000

Type of Shore: NASA 4-Post Vertical Shore
Offset %: 0%
Load at Failure: 59 tons
System Compression Prior to Failure: ~8%
Height of shore: 56 inches
Fasteners: Stainless Steel Screws

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