To search an exact document title or key phrase, place quotations around the text. Example: "U.S. Government Grade Crossing Research & Stakeholder Engagement" Entering keywords without quotations will search the eLibrary for all occurrences of the keywords.
Keywords: Infrastructure, railroad ties, residual prestress force, shape factor, prestressed concrete, high speed rail
Keywords: Concrete railroad ties, bond, ASTM A1096, pullout test, transfer length, transmission length, prestressed concrete, indented wire
Keywords: Track research, track inspection, inspection, automated inspection, automation-aided inspection, railroad, track safety, safety, human factors, passenger rail, systems-theoretic process analysis, STPA, STAMP, systems-theoretic accident model and process,
Keywords: Broken spikes, instrumented spikes, elastic fastening systems, in-track investigation, strain measurement
Keywords: Concrete railroad ties, crossties, bond, pullout test, transfer length, transmission length, prestressed concrete, pretensioned concrete, indented wire