CPEM Chapter _1

CPEM Chapter _1 - 1 A th R b t L P if Cliff d J Authors...

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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 ¡ History of Construction Equipment ¡ The Construction Industry ¡ Equipment Utilization ¡ My Thought ¡ My Thoughts ¡ History of Construction Equipment ¢ 1890-Benjamin Holt & Daniel Best began experimenting with various designs of steam tractors for farming ¢ 1915-Holt’s Caterpillar track type tractors used in WWI ¢ 1925-Caterpillar Tractor Co. Formed ¡ History of Construction Equipment à Transcontinental Railroad—May 1869 à Panama Canal à Boulder (Hoover) Dam à Etc. 9/9/2008 2 ¡ History of Construction Equipment ¢ Three Significant Developments à High-Strength Steels ¡ Prior to WWII—30,000-35,000 PSI Yields ¡ Following WWII—40,000-45,000 PSI Yields with better fatigue properties à Nylon Cord Tires ¡ Larger Tires, Increased Load Capacity, Greater Heat Resistance à High-output diesel Engines ¡ 10-15% increase in flywheel horsepower...
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CPEM Chapter _1 - 1 A th R b t L P if Cliff d J Authors...

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