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A System for Increasing the Rock Fracturing Capability of a Ripping Tractor
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English
Abstract
A system has been developed which fragments rock by high-pressure gas discharges near the point of ripper penetration of a rock formation. From development tests, it was demonstrated that the system markedly extends the rock fracturing performance of a D7 Caterpillar tractor.
The paper is divided into three basic sections. First, a summary of the mathematical analyses and model testing of rock fracturing is presented. Next, the hardware design and development necessary to adapt the FARE principle to rock-ripping requirements is described. Finally, the results and evaluations of tests conducted at various limestone rock test sites are described.
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Citation
Colburn, J., "A System for Increasing the Rock Fracturing Capability of a Ripping Tractor," SAE Technical Paper 730852, 1973, https://doi.org/10.4271/730852.Also In
References
- Stagg K. G. Zienkiewicz O. C. “Rock Mechanics in Engineering Practice.” New York John Wiley and Sons
- Timoshenko S. Goodier J. N. “Theory of Elasticity.” New York McGraw-Hill 1951
- Roark Raymond J. “Formulas for Stress and Strain.” New York McGraw-Hill 1954
- Colburn J. W. “Development of An Explosive Icebreaker.” Rept. No. AR852 Southwest Research Institute January 1973
- Wood C. D. Notes on Icebreaker Model Tests Escondido, Ca.
- Nichols, H. L. Jr. “Moving the Earth-The Workbook of Excavation.” 2nd Greenwich, Conn. North Castle Books 1962