958 resultados para Locomotive engineers
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Mode of access: Internet.
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Signed: Frank M. Swacker, chairman, George Cheney, member, James H. Wolfe, member.
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Signed: Roger I. McDonough, chairman, Curtis G. Shake, member, John W. Yeager, member.
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Signed: Ernest M. Tipton, chairman, Harry H. Schwartz, member, John T. McCann, member.
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Signed: James H. Wolfe, chairman, Robert E. Stone, member, Floyd McGown, member.
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Title from cover.
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Mode of access: Internet.
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At head of title: United States Court of Appeals for the Eighth Circuit. No. 17,098. Civil.
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Mode of access: Internet.
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On cover: Wage increase case.
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Title from cover.
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Whole-body vibration exposure of locomotive engineers and the vibration attenuation of seats in 22 U.S. locomotives (built between 1959 and 2000) was studied during normal revenue service and following international measurement guidelines. Triaxial vibration measurements (duration mean 155 min, range 84-383 min) on the seat and on the floor were compared. In addition to the basic vibration evaluation (aw rms), the vector sum (av), the maximum transient vibration value (MTVV/aw), the vibration dose value (VDV/(aw T1/4)), and the vibration seat effective transmissibility factor (SEAT) were calculated. The power spectral densities are also reported. The mean basic vibration level (aw rms) was for the fore-aft axis x = 0.18 m/sec2, the lateral axis y = 0.28 m/sec2, and the vertical axis z = 0.32 m/sec2. The mean vector sum was 0.59 m/sec2 (range 0.27 to 1.44). The crest factors were generally at or above 9 in the horizontal and vertical axis. The mean MTVV/aw was 5.3 (x), 5.1 (y), and 4.8 (z), and the VDV/(aw T1/4) values ranged from 1.32 to 2.3 (x-axis), 1.33 to 1.7 (y-axis), and 1.38 to 1.86 (z-axis), generally indicating high levels of shocks. The mean seat transmissibility factor (SEAT) was 1.4 (x) and 1.2 (y) and 1 (z), demonstrating a general ineffectiveness of any of the seat suspension systems. In conclusion, these data indicate that locomotive rides are characterized by relatively high shock content (acceleration peaks) of the vibration signal in all directions. Locomotive vertical and lateral vibrations are similar, which appears to be characteristic for rail vehicles compared with many road/off-road vehicles. Tested locomotive cab seats currently in use (new or old) appear inadequate to reduce potentially harmful vibration and shocks transmitted to the seated operator, and older seats particularly lack basic ergonomic features regarding adjustability and postural support.
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4 v. called "Books"
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Title varies slightly.
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At head of title: Superior Court of New Jersey Appellate Division - Docket no. A-215-53.