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Unformatted text preview: 9/9/2008 1 A th R b t L P if Cliff d J Authors: Robert L. Peurifoy, Clifford J. Schexnayder, Aviad Shapira Instructor: Dustin Olson, MBA Â¡ History of Construction Equipment Â¡ The Construction Industry Â¡ Equipment Utilization Â¡ My Thought Â¡ My Thoughts Â¡ History of Construction Equipment Â¢ 1890-Benjamin Holt & Daniel Best began experimenting with various designs of steam tractors for farming Â¢ 1915-Holtâ€™s Caterpillar track type tractors used in WWI Â¢ 1925-Caterpillar Tractor Co. Formed Â¡ History of Construction Equipment Ã Transcontinental Railroadâ€”May 1869 Ã Panama Canal Ã Boulder (Hoover) Dam Ã Etc. 9/9/2008 2 Â¡ History of Construction Equipment Â¢ Three Significant Developments Ã High-Strength Steels Â¡ Prior to WWIIâ€”30,000-35,000 PSI Yields Â¡ Following WWIIâ€”40,000-45,000 PSI Yields with better fatigue properties Ã Nylon Cord Tires Â¡ Larger Tires, Increased Load Capacity, Greater Heat Resistance Ã High-output diesel Engines Â¡ 10-15% increase in flywheel horsepower...
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- Fall '08
- construction industry, Bulldozer, Construction Equipment