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The Lab Quip Dynamic chamfer Penetrometer (DCP) is an instrument designed for the fast in-situ mensuration of the structural properties of present road pavements constructed of unbound materials. The robust and simple program means that the DCP is quick and easy to use, man-portable and suitable for use in locations where access may be difficult. Correlations get been established betwixt measurements with the DCP and conventional in-situ CBR so that results can be interpreted and compared with CBR specifications for pavement design.




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Dynamic Cone Penetrometer - Geotechnical Sampling and Testing - Hand Tooling


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The virtually widely accepted, man-portable method for evaluating intensiveness and density of soil, in situ. The blows required to driving force the integrated cone a depth of 1 3/4" feature been correlative by others to N values derived from the Standard Penetration mental testing (SPT). (50.8 cm) that strikes the anvil to cause penetration of 1.5 in (3.8 cm) diameter cone (45 degree vertex angle) that has been seated in the bottom of a pre-augered hole. Experience has shown effectiveness in pre-augered holes to depths of 15' - 20' (4.6 to 6.1 cm).


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TRL Dynamic cone penetrometer, Soil testing equipment, Controls

This apparatus, originally developed by the TRL-UK Transport problem solving Laboratory, has been designed under certify from TRL for the rapid in-situ measurement of the structural properties of existing road pavements constructed with unbound materials. nonstop measurements can be made down to a depth of some 850 mm or, when propagation shafts are used, to a recommended large indefinite quantity depth of 2 m. Where pavements layers have different strengths the boundaries can be identified and the thickness of the layers determined.

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