Development of an Experience Database for Truck Loading Operations
Publication: Journal of Construction Engineering and Management
Volume 126, Issue 3
Abstract
Planning and estimating earthmoving operations rely on the ability to collect field data and analyze operations. Two recent developments have dramatically changed the methods used and the results obtained in this process. The first relates to data collection where instrumentation placed on loading and hauling units can replace stopwatches as a primary source of data. The second relates to analysis where simulation techniques can replace deterministic job studies. This paper reviews these developments and shows that data collection and analysis techniques must complement each other. The use of stopwatches may satisfy the requirements of job studies but does not satisfy those of simulation. Simulation requires knowledge of the variance associated with the activity duration. Obtaining it from a few data points collected using stopwatches is frequently statistically incomplete. Simulation requires a continuous form of data collection to support its modeling process and, hence, offers new challenges to the data collection methods. Instrumented vehicles present a viable opportunity to collect continuous field data. However, the data collected using the instrumented vehicles must be characterized in such a way to reflect the actual job conditions under which they were recorded. As a result, this research extends the concept of data collection to building an experience database. Field data and visualization techniques are presented in this paper to illustrate the concept of the experience database.
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Information & Authors
Information
Published In
Journal of Construction Engineering and Management
Volume 126 • Issue 3 • May 2000
Pages: 201 - 209
History
Received: Jan 4, 1999
Published online: May 1, 2000
Published in print: May 2000
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