Railway Track & Structures - April 2008 - (Page 22) TTCI R&D Figure 5a, top, shows pre-grinding, TOR and optimized gauge-face lubrication (low rail - Curve G, Site 5L). Figure 5b shows pre-grinding, optimized gauge face lubrication only (low rail - Curve R, Site 1L). the curves in the TOR and control zones. In summary, this site produced less rail surface cracking after 140 mgt of traffic in areas where TOR+GF was applied than in the GF only areas. Although the GF-only zone received more grinding passes, the rail surface condition remaining after grinding was noticeably better in the TOR zone than in the control (GF only) zone. This suggests additional grinding passes/metal removal over most curves where TOR was not being applied would have been required to obtain similar rail surface conditions in both zones. Plans and recommendations This AAR-sponsored TOR monitoring program ended in December 2007. Should the entire Tehachapi area have TOR implemented, consideration will be given to monitoring both zones to determine if the current control (GF only) zone rail performance improves to that observed in the TOR+GF zone. If feasible, measurements will be taken closer to actual grinding dates. Results will be incorporated into a revised cost benefit analysis. Recommended practices and TOR implementation guidelines will be updated. Acknowledgments This demonstration was conducted with the cooperation and participation of several individuals and sponsors: Marty Gearheart and Harry Reyes of Union Pacific, Tony 22 Railway Track & Structures April 2008 www.rtands.com http://www.aar.com http://www.rtands.com
Table of Contents Feed for the Digital Edition of Railway Track & Structures - April 2008 Railway Track & Structures - April 2008 Contents On Track Industry Today Supplier News AREMA News NRC News TTCI R&D Railroads Seeking More Advanced Systems to Handle Materials SKOL Bounces Back From Summer Flood Landmark Railroad Bridges Need Inspection, Too Products and Literature People Calendar Sales Representatives Advertisers Index Website Directory Professional Directory Classified Advertising Chicago Perspective Railway Track & Structures - April 2008 Railway Track & Structures - April 2008 - Railway Track & Structures - April 2008 (Page Cover1) Railway Track & Structures - April 2008 - Railway Track & Structures - April 2008 (Page Cover2) Railway Track & Structures - April 2008 - Contents (Page 1) Railway Track & Structures - April 2008 - Contents (Page 2) Railway Track & Structures - April 2008 - On Track (Page 3) Railway Track & Structures - April 2008 - On Track (Page 4) Railway Track & Structures - April 2008 - Industry Today (Page 5) Railway Track & Structures - April 2008 - Industry Today (Page 6) Railway Track & Structures - April 2008 - Supplier News (Page 7) Railway Track & Structures - April 2008 - Supplier News (Page 8) Railway Track & Structures - April 2008 - Supplier News (Page 9) Railway Track & Structures - April 2008 - Supplier News (Page 10) Railway Track & Structures - April 2008 - AREMA News (Page 11) Railway Track & Structures - April 2008 - AREMA News (Page 12) Railway Track & Structures - April 2008 - AREMA News (Page 13) Railway Track & Structures - April 2008 - AREMA News (Page 14) Railway Track & Structures - April 2008 - AREMA News (Page 15) Railway Track & Structures - April 2008 - AREMA News (Page 16) Railway Track & Structures - April 2008 - AREMA News (Page 17) Railway Track & Structures - April 2008 - NRC News (Page 18) Railway Track & Structures - April 2008 - TTCI R&D (Page 19) Railway Track & Structures - April 2008 - TTCI R&D (Page 20) Railway Track & Structures - April 2008 - TTCI R&D (Page 21) Railway Track & Structures - April 2008 - TTCI R&D (Page 22) Railway Track & Structures - April 2008 - TTCI R&D (Page 23) Railway Track & Structures - April 2008 - TTCI R&D (Page 24) Railway Track & Structures - April 2008 - Railroads Seeking More Advanced Systems to Handle Materials (Page 25) Railway Track & Structures - April 2008 - Railroads Seeking More Advanced Systems to Handle Materials (Page 26) Railway Track & Structures - April 2008 - Railroads Seeking More Advanced Systems to Handle Materials (Page 27) Railway Track & Structures - April 2008 - Railroads Seeking More Advanced Systems to Handle Materials (Page 28) Railway Track & Structures - April 2008 - Railroads Seeking More Advanced Systems to Handle Materials (Page 29) Railway Track & Structures - April 2008 - Railroads Seeking More Advanced Systems to Handle Materials (Page 30) Railway Track & Structures - April 2008 - SKOL Bounces Back From Summer Flood (Page 31) Railway Track & Structures - April 2008 - SKOL Bounces Back From Summer Flood (Page 32) Railway Track & Structures - April 2008 - SKOL Bounces Back From Summer Flood (Page 33) Railway Track & Structures - April 2008 - SKOL Bounces Back From Summer Flood (Page 34) Railway Track & Structures - April 2008 - SKOL Bounces Back From Summer Flood (Page 35) Railway Track & Structures - April 2008 - SKOL Bounces Back From Summer Flood (Page 36) Railway Track & Structures - April 2008 - SKOL Bounces Back From Summer Flood (Page 37) Railway Track & Structures - April 2008 - SKOL Bounces Back From Summer Flood (Page 38) Railway Track & Structures - April 2008 - Landmark Railroad Bridges Need Inspection, Too (Page 39) Railway Track & Structures - April 2008 - Landmark Railroad Bridges Need Inspection, Too (Page 40) Railway Track & Structures - April 2008 - Landmark Railroad Bridges Need Inspection, Too (Page 41) Railway Track & Structures - April 2008 - Landmark Railroad Bridges Need Inspection, Too (Page 42) Railway Track & Structures - April 2008 - Landmark Railroad Bridges Need Inspection, Too (Page 43) Railway Track & Structures - April 2008 - Landmark Railroad Bridges Need Inspection, Too (Page 44) Railway Track & Structures - April 2008 - Landmark Railroad Bridges Need Inspection, Too (Page 45) Railway Track & Structures - April 2008 - People (Page 46) Railway Track & Structures - April 2008 - Sales Representatives (Page 47) Railway Track & Structures - April 2008 - Advertisers Index (Page 48) Railway Track & Structures - April 2008 - Website Directory (Page 49) Railway Track & Structures - April 2008 - Professional Directory (Page 50) Railway Track & Structures - April 2008 - Classified Advertising (Page 51) Railway Track & Structures - April 2008 - Classified Advertising (Page 52) Railway Track & Structures - April 2008 - Classified Advertising (Page 53) Railway Track & Structures - April 2008 - Classified Advertising (Page 54) Railway Track & Structures - April 2008 - Classified Advertising (Page 55) Railway Track & Structures - April 2008 - Chicago Perspective (Page 56) Railway Track & Structures - April 2008 - Chicago Perspective (Page Cover3) Railway Track & Structures - April 2008 - Chicago Perspective (Page Cover4)
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