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    This guide was prepared to assist inspectors in the use of stress wave timing instruments and various methods of locating and defining areas of decay in timber members in historic structures. The first two sections provide (a) background information regarding conventional methods to locate and measure decay in historic structures and (b) the principles of stress wave nondestructive testing and measurement techniques. The last section is a detailed description of how to apply the use of stress wave nondestructive testing methods in the field. A sample field data acquisition form and additional reference material are included in the Appendix. This guide includes all the information needed to begin to utilize and interpret results from stress wave timing nondestructive evaluation methods.

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    Ross, Robert.; Pellerin, Roy F.; Volny, Norbert.; Salsig, William W.; Falk, Robert H. 2000. Stress wave timing nondestructive evaluation tools for inspecting historic structures : a guide for use and interpretation. (General technical report FPL ; GTR-119):15 p. : ill. ; 28 cm.


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    Historic buildings--Inspection, Stress waves--Measurement, Wood--Testing, Non-destructive testing, Historic buildings, Structural timbers, Nondestructive testing, Inspection, Instruments, Decayed wood, Stress waves

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