deflection of rail
51Garabit viaduct — The Garabit Viaduct ( Viaduc de Garabit in French) is a railroad arch bridge spanning the Truyère river near Ruynes en Margeride (Fr), Cantal, France, in the mountainous Massif Central region. The bridge was constructed between 1880 and 1884 by… …
52Camber — may refer to a variety of curvatures and angles: * Camber angle in automobile technology * In the steel industry, the concavity of rolls. Hot rolling uses positive camber (concave rolls), while cold rolling uses negative camber (convex). * Camber …
53Rolling resistance — Figure 1  Hard wheel rolling on and deforming a soft surface, resulting in the reaction force from the surface having a component that opposes the motion. Rolling resistance, sometimes called rolling friction or rolling drag, is the… …
54SR Merchant Navy Class — Infobox Locomotive powertype=Steam name = SR Merchant Navy ClassHarvey] caption = Official Southern Railway photograph of 21C1 Channel Packet as built, 1941. designer = Oliver Bulleid builder = SR Eastleigh Works builddate = 1941 ndash;1949… …
55Coordinate-measuring machine — A coordinate measuring machine (CMM) is a device for measuring the physical geometrical characteristics of an object. This machine may be manually controlled by an operator or it may be computer controlled. Measurements are defined by a probe… …
56Miniature UAVs — are UAVs ranging from micro air vehicles (MAVs) that can be carried by an infantryman, to man portable UAVs that can be carried and launched like an infantry anti aircraft missile.MAVs MesicoptersThe notion that small, even very small, UAVs might …
57IFD — In Wikipedia IfD may refer to . IFD may stand for: * Ideal free distribution * Indentation Force Deflection * Indianapolis Fire Department * Internal fault detection * Ischemic fiber degeneration * Israeli folk dancing * Information Flow Diagram… …
58Hawkesbury River Railway Bridge — Infobox Bridge bridge name=Hawkesbury River Railway Bridge caption=The Hawkesbury River rail bridge looking north official name= carries=Trains crosses=Hawkesbury River locale= maint= id= design= mainspan= length= width= height= load= clearance=… …
59Real-time locating — Articleissues confusing=July 2008 refimprove=May 2008 essay=May 2008: This page specifically concerns operational aspects of RTLS. For methodology issues see locating engine. For technology issues see wireless. According to ISO/IEC JTC1 SC31 and… …
60History of structural engineering — The history of structural engineering dates back to at least 2700 BC when the step pyramid for Pharaoh Djoser was built by Imhotep, the first engineer in history known by name. Pyramids were the most common major structures built by ancient… …
