MS Dersch, MT Silva, JR Edwards… - Transportation …, 2022 - journals.sagepub.com
Comparatively little attention has been given to the quantification of fastener demands, especially in the longitudinal direction. Research quantifying fastener demands is justified …
P Yu, A Manalo, W Ferdous, C Salih, T Heyer… - Engineering Failure …, 2022 - Elsevier
Broken spikes/screws were reported to fail in bending at the sleeper hole due to repeated lateral force and have become a major challenge for hardwood timber sleepers. The …
C Khachaturian, MS Dersch, S Liu… - Proceedings of the …, 2023 - journals.sagepub.com
North American railroads have experienced spike fastener fatigue failures due to spike overloading that have led to multiple derailments. Failures have primarily been found in …
Rail fastening systems, in conjunction with the crosstie, secure the rail to maintain gauge, transmit thermal and service loads, and anchor the rail-crosstie structure against lateral and …
In this paper, the feasibility and effectiveness of a guided-wave approach are investigated as a first step toward the development of an automated non-contact ultrasonic system for …