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A penetrometer is also used in longer professional cricket matches, to measure how the pitch is holding up over the course of a multi-day match. British horse racing courses have been required, since 2009, to report the readings obtained using a penetrometer, [ 1 ] on each day of a race meeting.
Symbol used in drawings Simplified version of a cone penetrometer. The cone penetration or cone penetrometer test (CPT) is a method used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially developed in the 1950s at the Dutch Laboratory for Soil Mechanics in Delft to investigate soft ...
The lunar penetrometer was a spherical electronic tool that served to measure the load-bearing characteristics of the Moon in preparation for spacecraft landings. [1] [2] It was designed by NASA to be dropped onto the surface from a vehicle orbiting overhead and transmit information to the spacecraft.
The lander returned a total of five panoramas of the lunar surface, showing a more smooth terrain than seen by Luna 9. One of the two cameras (intended to return stereo images) failed, but this did not diminish the quality of the photographs. The penetrometer measured the regolith density at 800 kg/m 3. [3]
The Fall cone test, also called the cone penetrometer test or the Vasiljev cone test, is an alternative method to the Casagrande method for measuring the Liquid Limit of a soil sample proposed in 1942 by the Russian researcher Piotr Vasiljev (Russian: Пё́тр Васи́льев) and first mentioned in the Russian standard GOST 5184 from 1949.
C. Calo tester; Calorimeter; Cam plastometer; Cap torque tester; Capacitance meter; Capacitance probe; Capacitive displacement sensor; Cascade impactor; Chemical field-effect transistor
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Symbol used in drawings Standard penetration test N values from a surficial aquifer in south Florida.. The standard penetration test (SPT) is an in-situ dynamic penetration test designed to provide information on the geotechnical engineering properties of soil.