1.1 This test method covers the determination of deflections of paved and unpaved surfaces with a Light Weight Deflectometer (LWD). This device is also referred to as a Portable Falling-Weight Deflectometer (PFWD). The LWD is lightweight,
ASTM
Standard Test Method for Measuring Deflections with a Light Weight Deflectometer (LWD)
STD-63698
2007
2011-09-01
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