High Speed Rail Loading Scenario and Dynamic Tuning of Track

by Jan H. Zicha, Zicha Engineering, Glenn Dale, United States,

Document Type: Proceeding Paper

Part of: High Speed Ground Transportation Systems I: Planning and Engineering


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: Highway and road design | Vehicle loads | Infrastructure construction | Construction methods | Construction costs | Railroad tracks | Dynamic loads | Infrastructure

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