Measurement of Normal Stresses at the Soil-Tire Interface

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2012-01-01
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Roth, Jonathan
Darr, Matthew
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Darr, Matthew
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Agricultural and Biosystems Engineering

Since 1905, the Department of Agricultural Engineering, now the Department of Agricultural and Biosystems Engineering (ABE), has been a leader in providing engineering solutions to agricultural problems in the United States and the world. The department’s original mission was to mechanize agriculture. That mission has evolved to encompass a global view of the entire food production system–the wise management of natural resources in the production, processing, storage, handling, and use of food fiber and other biological products.

History
In 1905 Agricultural Engineering was recognized as a subdivision of the Department of Agronomy, and in 1907 it was recognized as a unique department. It was renamed the Department of Agricultural and Biosystems Engineering in 1990. The department merged with the Department of Industrial Education and Technology in 2004.

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1905–present

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  • Department of Agricultural Engineering (1907–1990)

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Agricultural and Biosystems Engineering
Abstract

Agricultural energy usage is an important topic among agricultural industry producers, manufacturers, and regulators. The transfer of power between axle and drawbar is identified as one of the greatest inefficiencies in agricultural field operations. Understanding the stresses at the soil-tire interface would provide insight into the current state of tire traction development and data useful in developing future tire designs. This article presents a measurement system to quantify the normal stresses at the soil-tire interface of an agricultural tractor tire, thus making it possible to evaluate these stresses along the tire footprint. A normal stress measurement system was developed in the laboratory and tested in the field. Additionally, a dedicated data acquisition system was developed, tested, and validated in the field environment. Test results show the system capabilities as well as information on the challenges of drawing general, consistent conclusions concerning the stresses developed between a tire and the soil at field working speeds in agricultural soil.

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This article is from Transactions of the ASABE 55, no. 2 (2012): 325–331.

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Sun Jan 01 00:00:00 UTC 2012
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