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D.G. Toll

School of Engineering, University of Durham, England and School of Civil and Structural Engineering, Nanyang Technological University, Singapore

doi:10.4203/ccp.63.7.3

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D.G. Toll, "A Data Acquisition and Control System for Geotechnical Testing", in B. Kumar, B.H.V. Topping, (Editors), "Computing Developments in Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 237-242, 1999. doi:10.4203/ccp.63.7.3

Abstract

A computer control program (TRIAX) has been developed for data acquisition and control of geotechnical laboratory tests. Although originally designed for control of stress path triaxial tests it has been made sufficiently general to allow control of other test types. The program has been written in Microsoft® Visual Basic and runs under Microsoft® Windows. It provides data acquisition and calibration facilities and can control via a number of different types of control units. TRIAX allows user-defined variables to be created and these variables can be accessed by the user for plotting and control. A very flexible control philosophy has been adopted in which the user specifies control parameters in the form of equations. The system can deal with a test which comprises many different stages. Control is passed from stage to stage by a series of alarms; these are user defined conditional equations which trigger a number of different actions.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 63 COMPUTING DEVELOPMENTS IN CIVIL AND STRUCTURAL ENGINEERING Edited by: B. Kumar and B.H.V. Topping Paper VII.3 A Data Acquisition and Control System for Geotechnical Testing D.G. Toll School of Engineering, University of Durham, England and School of Civil and Structural Engineering, Nanyang Technological University, Singapore doi:10.4203/ccp.63.7.3 purchase the full-text of this paper Full Bibliographic Reference for this paper D.G. Toll, "A Data Acquisition and Control System for Geotechnical Testing", in B. Kumar, B.H.V. Topping, (Editors), "Computing Developments in Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 237-242, 1999. doi:10.4203/ccp.63.7.3 Abstract A computer control program (TRIAX) has been developed for data acquisition and control of geotechnical laboratory tests. Although originally designed for control of stress path triaxial tests it has been made sufficiently general to allow control of other test types. The program has been written in Microsoft® Visual Basic and runs under Microsoft® Windows. It provides data acquisition and calibration facilities and can control via a number of different types of control units. TRIAX allows user-defined variables to be created and these variables can be accessed by the user for plotting and control. A very flexible control philosophy has been adopted in which the user specifies control parameters in the form of equations. The system can deal with a test which comprises many different stages. Control is passed from stage to stage by a series of alarms; these are user defined conditional equations which trigger a number of different actions. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £66 +P&P)
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