Roof sheathing test system

Details Roof sheathing test system Roof sheathing test system

1991-03-26

1991-11-26

Myracle, Jerry W.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

G01N 320

Patent

active

050673530

ABSTRACT:
A roof sheathing test system (10) is provided which may be manually operated and is substantially non-destructive in nature for load and deflection testing of roof sheathing (12). The roof sheathing test system (10) includes a test frame (14) which is mounted to a pair of displaced roof structural members (16). The roof sheathing test system (10) is mounted to the roof structural members (16) by a foot member (30) which is fixedly secured to the roof structural members (16) and the foot member (30) is releasably secured to the overall test frame (14). A load cell system (52) is secured to the test frame (14) for registering a force load applied to the sheathing (12). A load base mechanism (72) is in contact with the load cell system (52) and an upper surface of the sheathing (12). Rotation of a threaded rod (82) located within a load base rod member (76) is rotated to apply a force to the sheathing (12) which is registered on a load cell gauge (54). Indicia (88) formed on an external surface of the load base rod member (76) provides for a visual registering of the deflection of the sheathing (12) as a load is applied. In this manner, there is provided a roof sheathing test system (10) which is manually operated and removable from the roof subsequent to operational tests.

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