An Inexpensive Automatic Control System for Soil Testingby N. Sivakugan, Sultan Oaboos Univ, Muscat, Oman,
J. L. Chameau, Sultan Oaboos Univ, Muscat, Oman,
R. D. Holtz, Sultan Oaboos Univ, Muscat, Oman,
Abstract: This paper describes an inexpensive automatic control system for soils testing. The system comprises a microcomputer, an analog to digital converter, a relay board, and solenoid valves. It has been used successfully in Ko-consolidation and strain controlled loading of cubical specimens in a cuboidal shear device. Possibilities of using this system in other soil testing systems are also explored.
Subject Headings: Control systems | Soil tests | Automation | Soil stress | Computing in civil engineering | Material tests | Analogs | Valves
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