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Determining Bond-Slip Characteristics of Prestressing Tendons with Varying Geometries in Two Concrete Mixtures
Keywords: Track, ties, concrete, bond-slip, prestressing tendons
Abstract: Untensioned pullout tests were conducted to obtain the bond-slip characteristics of two groups of prestressing tendons used in concrete railroad tie production. The purpose of...
Keywords: Concrete crossties, water damage, center cracks, cyclic loading
Abstract: To investigate the impact of moisture on crack growth and other tie damage, UIUC researchers subjected pretensioned concrete crossties and small-scale beams to repeated loading...
To investigate the impact of moisture on crack growth and other tie damage, UIUC researchers subjected pretensioned concrete crossties and small-scale beams to repeated loading...
Keywords: Concrete crossties, elastic fastening systems, field instrumentation, concrete sleepers, loading conditions, displacements
Keywords: GPR, ground penetrating radar, ballast, subballast, substructure, fouled ballast, ballast moisture
Keywords: Heavy axle load, track infrastructure, mega sites