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Scope

1.1 This test method covers the measurement of deflections of paved and unpaved surfaces with a falling-weight-type impulse load device. These devices are commonly referred to as falling-weight deflectometers.

1.2 This test method describes the measurement of vertical deflection response of the surface to an impulse load applied to the pavement surface. Vertical deflections are measured on the load axis and at points spaced radially outward from the load axis. An impulse load more nearly represents the moving vehicle load-pulse applied to prototype pavements than does a static load.

1.3 The values stated in SI units are to be regarded as the standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. A specific hazard statement is given in Section 7.

Keywords

Deflection; Falling weight test; Force pulse; Pavement surfaces; Plate bearing test; Transducers; deflections of paved/unpaved surfaces, with falling-weight type impulse; load devices, test,; Loading tests-pavement surfaces; deflections of paved/unpaved surfaces,with falling-weight type impulse; load devices, test

To find similar documents by ASTM Volume:

04.03 (Road and Paving Materials; Vehicle-Pavement Systems)

To find similar documents by classification:

93.080.20 (Road construction materials Including asphalts, road pavements, etc.)

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