High Speed Rail Loading Scenario and Dynamic Tuning of Trackby Jan H. Zicha, Zicha Engineering, Glenn Dale, United States,
Abstract: Similarities and differences exist between conventional and high speed rail (HSR) infrastructure design. The differences stem from the dynamic nature of the HSR loading scenario and the way in which vehicles and track are designed to function in a load environment of high kinematic energy. Simple extrapolations of existing rapid transit, conventional and even highway design methods to HSR infrastructure may lead to costly design deficiencies, inadequate geotechnical exploration, unnecessary construction efforts and excessive track maintenance costs.
Subject Headings: High-speed rail | Infrastructure | Railroad tracks | Vehicle loads | Highway and road design | Structural design
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