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Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.

Azmi Yahya. (2008) Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.

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Abstract

An automated soil penetrometer-shearometer unit (3) equipped with data acquisition and differential global positioning system (DGPS) is capable of real-time maping spatial variability of soil penetration resistance and shear stress associated with landscape position is disclosed. The unit consists of following four main sub-assemblies; a main frame (4) to support the moving carriage sub-assemblies, two moving carriage sub-assemblies (14,17) to support penetrometer (1) and sherometer (2), a gear driving mechanisms to support traverse movements of the moving carriages, and a three-point hitch attacment to support the main frame and provide attachment to the tractor. Motion controls for the penetrometer-shearometer unit (3) are performed by a Programmable Logic Controller (PLC) unit and other external electronics and sensing devices.

Item Type:Patent
Keyword:Soil; Automated soil penetrometer-shearometer.
Faculty or Institute:Faculty of Engineering
ID Code:20893
Deposited By: Zubaidah Iberahim
Deposited On:14 Jun 2013 16:40
Last Modified:14 Jun 2013 16:40

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