Field Strength Test Devices and Methods for Installed Engineered Material Arresting Systems
AssigneeEngineered Arresting Systems Corporation
InventorsHong Zou, Andrea L. Manning, Graham Kent Thompson, Yijian Shi
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Abstract
Embodiments of the present invention provide field test devices and methods for testing the compressive gradient strength of installed vehicle arresting systems, such as those installed on airport runways. Current methods of testing such arresting systems are conducted on sample materials in-house, and these methods are not applicable or useful when tests need to be conducted on currently-installed systems in the field.
Claims10
A method for field strength testing an installed compressible vehicle arresting system, comprising:
- (a) providing a field testing device;
- (b) identifying sampling locations along installed system;
- (c) driving the field testing device into each sampling location along the system;
- and
- (d) recording resistive load, penetration depth, punch head speed, or any combination thereof at each sampling location.
The method of claim 1, wherein the field testing device is the device recited by claim 6.
A portable field testing device for installed compressible vehicle arresting system, comprising:
- (a) a shaft having a length and a diameter;
- (b) a punch head at one end of the shaft having a flat surface;
- and
- (c) a measurement system configured to measure resistive load, penetration of the punch head into the installed compressible vehicle arresting system, the speed of the punch head into the installed compressible vehicle arresting system, or any combination thereof.
Dependencies are inferred from the claim text.