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 guidelines for preparation of samples, testing and acceptance criteria are given in subparas given below. Soil is non plastic in nature with liquid limit ranging between 16. Astm d695103, standard test method for use of dynamic cone penetrometer in shallow pavement applications 2. Using the dynamic cone penetrometer and light weight deflectometer for construction quality assurance. Raise the hammer to its upper limit, using caution to not lift the shaft and break. Dcp testing consists of using the dcps freefalling hammer to. Astm d7380 standard test method for soil compaction determination at shallow depths using 5lb 2. Dynamic cone penetrometer can be abbreviated to the letters. Astm d6951 d6951m 18 standard test method for use of. Active standard astm d6951 d6951m developed by subcommittee. In 2004, the astm d695103 standard test method for use of the. The schematic for the dcp is shown in figure 1 source. Refer to astm d 6951 section five 5 for equipment specifications.
Scribd is the worlds largest social reading and publishing site. Dcp testing consists of using the dcps freefalling hammer to strike the cone, causing the cone. Report date february 2009 using the dynamic cone penetrometer and light weight 6. Using the dynamic cone penetrometer and light weight. This standard is issued under the fixed designation d 6951. An astm designation number identifies a unique version of an astm standard. A soil density may be estimated note 1 if the soil type and. Using dynamic cone penetrometer tester to determine cbr and. The chemically modified soil lift shall meet the following requirements for compaction. Procedure refer to astm d 6951 section six 6 for operation of dcp. 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. Dynamic cbr test to assess the soil compaction article pdf available in journal of testing and evaluation 435. This test method is used to assess in situ strength of undisturbed soil and compacted materials or both.
I am not sure if the suggestions here were based on hypothetical or real sea. D6951d6951m09 standard test method for use of the dynamic cone penetrometer in shallow pavement applications, 2009 you currently cannot view this content. A minimum dcp blow count of 16 for the bottom 8 in. Download scientific diagram dcp sketch after astm d695109, 2009. Acceptance testing shall be performed with a dynamic cone.
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. D6951d6951m 09 standard test method for use of the dynamic cone penetrometer in shallow pavement applications1 this standard is issued under the. Rotary hammer drill capable of drilling at least a 1. Irc flexible pavement design notes road surface asphalt. The penetration rate may be related to in situ strength such as an estimated in situ cbr california bearing ratio. Astm d6951 d6951m 09 standard test method for use of. Resilient modulus prediction of soft lowplasticity piedmont residual.
Dcp total number of blows number of blows between test readings cumulative penetration in. 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. The length of the upper shaft allows the hammer to drop a distance of 575 mm 22. Irc flexible pavement design notes free download as pdf file. A survey stake may be used to mark each blow during test. Onfield assessment of subgrade uniformity using dcp. The dcp test procedure is currently standardized by both astm d 695103 and the mndot. Dotd tr 602m60296, measuring thicknesses and widths of base and subbase courses and aggregate type surface courses ii.