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Mechanical cone penetration specifications

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Test Overview. The test is performed by driving a metal cone into the ground by repeated striking it with a The penetration of the cone is measured after each blow andis recorded to provide a continuous measure of shearing resistance up to 5 feet below the ground surface. Test results can be correlated to California Bearing Ratios, in-situ density, resilient modulus , and bearing capacity. The cost of purchasing or manufacturing a DCP test apparatus is relatively low.
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Penetrometers - Geoprojekt Szczecin

Penetrometer together with accessories is mounted on uniaxial trailer. Penetrometer is powered by compression — ignition engine 1D 81 C. Equipment is anchored to the ground with the use of disk bits. Penetrometer is provided with measuring — recording device GME IP65 which records parameters measured during the test. It has to be mentioned that the described equipment is brand new as it was manufactured in The most important technical specifications of CPTU are presented in the table below.
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The Use of the Dynamic Cone Penetrometer for Quality Control of Compaction Operations

Field testing. Electrical cone and piezocone penetration test. The electrical cone penetration test CPT consists of pushing a cone penetrometer using a series of push rods into the soil at a constant rate of penetration. During penetration, measurements of cone resistance and sleeve friction are recorded. The piezocone penetration test CPTU also includes the measurement of pore pressures around the cone.
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Historical Version s - view previous versions of standard. More D The use of a friction sleeve can provide an estimate of soil classification, and correlations with engineering properties of soils. When properly performed at suitable sites, the test provides a rapid means for determining subsurface conditions. The interpretation of the results from this test method provides estimates of the types of soil penetrated.

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