Systems Analysis of Technical Advancement in Earthmoving Equipment
Publication: Journal of Construction Engineering and Management
Volume 132, Issue 9
Abstract
The technical advancement of earthmoving equipment during the 20th century includes many improvements in key parts of machines. This paper uses five systems that make up earthmoving equipment (implement, traction, structure, power train, and control and information) to analyze this technical advancement. The analysis of each system includes its purpose and operation, technical limitations and key technologies, and a chronology of major advancements. The findings are the benefits of using the five systems for analysis of technical change, the sequence and timing of key technical advances in each system, the fundamental technologies that fostered these advances, and the integration of systems into balanced equipment designs. This increased understanding from this analysis results in significant implications and relevance for civil designers working on integrated teams, contractors selecting methods and planning operations, equipment suppliers developing new machines, construction educators teaching the technical basics of equipment, and researchers developing advanced modeling and simulation tools.
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Acknowledgments
The writers would like to thank two industry professionals who provided extremely valuable input to this paper. Dane Lowry, manager of equipment for Raisch Gradeway, identified important new developments in earthmoving equipment during his extensive career and emphasized advances that decrease operating cost. Dale Ronsin, engineering manager at Watsonville for Granite Construction, described advances in design of structures, tires, hydraulic systems, and control and information systems.
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© 2006 ASCE.
History
Received: May 25, 2004
Accepted: Feb 24, 2006
Published online: Sep 1, 2006
Published in print: Sep 2006
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