Astm d7380 standard test method for soil compaction determination at shallow depths using 5lb 2. The guidelines for preparation of samples, testing and acceptance criteria are given in subparas given below. Acceptance testing shall be performed with a dynamic cone. Dotd tr 602m60296, measuring thicknesses and widths of base and subbase courses and aggregate type surface courses ii. Procedure refer to astm d 6951 section six 6 for operation of dcp. Onfield assessment of subgrade uniformity using dcp.
A soil density may be estimated note 1 if the soil type and. Dcp total number of blows number of blows between test readings cumulative penetration in. Cbr value estimation using dynamic cone penetrometer 261 it can be observed from the results that soil is almost uniform for all the 8 locations with sand content varying from 63. The dcp test procedure is currently standardized by both astm d 695103 and the mndot. Cbr value estimation using dynamic cone penetrometer. Using the dynamic cone penetrometer and light weight deflectometer for construction quality assurance. Astm d695103, standard test method for use of dynamic cone penetrometer in shallow pavement applications 2. D6951d6951m 09 standard test method for use of the dynamic cone penetrometer in shallow pavement applications, adcp, aggregate base testing, california bearing ratio, cbr, dcp, disposable cones, dualmass hammer, dynamic cone penetrometer, in situ testing, paving material testing, shear strength, subgrade testing, california bearing ratio cbr, dualmass hammer. D6951 d6951m 09 standard test method for use of the dynamic cone penetrometer in shallow pavement applications, adcp, aggregate base testing, california bearing ratio, cbr, dcp, disposable cones, dualmass hammer, dynamic cone penetrometer, in situ testing, paving material testing, shear strength, subgrade testing, california bearing ratio cbr, dualmass hammer, dynamic cone penetrometer. The chemically modified soil lift shall meet the following requirements for compaction. Dynamic cbr test to assess the soil compaction article pdf available in journal of testing and evaluation 435. Scribd is the worlds largest social reading and publishing site. Report date february 2009 using the dynamic cone penetrometer and light weight 6.
The penetration rate may be related to in situ strength such as an estimated in situ cbr california bearing ratio. Using dynamic cone penetrometer tester to determine cbr and. Request pdf onfield assessment of subgrade uniformity using dcp one of the key parameters for the performance of a pavement is uniformity of its subgrade. The schematic for the dcp is shown in figure 1 source. Irc flexible pavement design notes free download as pdf file. Refer to astm d 6951 section five 5 for equipment specifications. In 2004, the astm d695103 standard test method for use of the. The upper shaft is a 16mm 58inch diameter steel shaft on which the hammer moves. Pdf standard test method for use of the dynamic cone. Dynamic cone penetrometer can be abbreviated to the letters. Download scientific diagram dcp sketch after astm d695109, 2009. I am not sure if the suggestions here were based on hypothetical or real sea.
Dcp testing consists of using the dcps freefalling hammer to strike the cone, causing the cone. Resilient modulus prediction of soft lowplasticity piedmont residual. Dcp testing consists of using the dcps freefalling hammer to. This test method is used to assess in situ strength of undisturbed soil and compacted materials or both. Astm d6951 d6951m 18 standard test method for use of. Astm d6951 d6951m 09 standard test method for use of. Using the dynamic cone penetrometer and light weight. D6951d6951m 09 standard test method for use of the dynamic cone penetrometer in shallow pavement applications1 this standard is issued under the. An astm designation number identifies a unique version of an astm standard. Soil is non plastic in nature with liquid limit ranging between 16.
This standard is issued under the fixed designation d 6951. A survey stake may be used to mark each blow during test. Active standard astm d6951 d6951m developed by subcommittee. Astm d6951d6951m standard test method for use of the. The length of the upper shaft allows the hammer to drop a distance of 575 mm 22. Rotary hammer drill capable of drilling at least a 1. Irc flexible pavement design notes road surface asphalt.