Abstract
Personal digital assistant (PDA) applications to improve the effectiveness and reliability in geotechnical investigations have been developed. Because of PDA's legerity and mobility, it is an excellent choice for use with a simple global position system (GPS) in geotechnical field work, such as site reconnaissance, subsurface investigation, surface investigation, safety evaluation, testing, and instrumentation. Using PDAs in geotechnical engineering can save traditional field paper forms, avoid repeated record input, reduce the risk of wrong data interpretation, and shorten the time and space barrier between the office and the field. After the field data are collected on the PDA, they can be transferred to a desktop personal computer (PC) for further processing and reporting. The desktop PC is designated to handle more complicated analyses and visual presentations. Specialized functions of applications to operate PDA and GPS, as well as for the desktop PC, were developed according to the characteristics...
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