A dynamic penetrometer for rapid assessment of seafloor parameters
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diagnostic and developmental potentials of dynamic assessment for writing skill
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15 صفحه اولPercussive Dynamic Cone Penetrometer for Geotechnical Surface Assessment with a Planetary
Introduction: During the past planetary surface missions, few instruments have been deployed to directly assess soil physical properties like density, soil strength (internal friction and cohesion), and pressure/sinkage curves, or their spatial variation. Several Soviet lunar missions were equipped with small cone vane penetrometers, and the Apollo astronauts also used two different manual pene...
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ters to characterize both agricultural and rangeland A DYNAMIC CONE PENETROMETER soils, however, has been limited by concerns about (i) FOR MEASURING SOIL instrument cost, (ii) measurement repeatability, (iii) limited ranges of soil resistance that can be measured by PENETRATION RESISTANCE a single penetrometer, and (iv) difficulties in comparing Jeffrey E. Herrick* and Tim L. Jones data collec...
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ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 1994
ISSN: 0001-4966
DOI: 10.1121/1.411178