Maintenance, management, life-cycle design and performance of structures and infrastructures: a brief review

DM Frangopol, D Saydam, S Kim - Structure and infrastructure …, 2012 - Taylor & Francis
The optimal decisions to maintain or improve the reliability and functionality of structures and
infrastructure systems can only be achieved through proper integrated management …

Tribological aspects of wheel–rail contact: a review of wear mechanisms and effective factors on rolling contact fatigue

H Soleimani, M Moavenian - Urban Rail Transit, 2017 - Springer
Nowadays, the railway is considered as a means of fast, aggregate and secure
transportation. The issue of the rail and wheel contact is one of the most fundamental …

Stress-based fatigue reliability analysis ofthe rail fastening spring clipunder traffic loads

S Mohammadzadeh, S Ahadi, M Nouri - Latin American Journal of …, 2014 - SciELO Brasil
Nowadays, the rail fastening systems play an important role for preserving the connection
between the rails and sleepers in various conditions. In this paper, stress based concept is …

A reliability assessment approach for slab track structure based on vehicle-track dynamics and surrogate model

ZW Li, XZ Liu, SX Chen - … Engineers, Part O: Journal of Risk …, 2022 - journals.sagepub.com
The reliability assessment of rail infrastructure is directly related to the safety and
effectiveness of railway transportation and critical for railway management department. This …

Imperfect rail-track inspection scheduling with zero-inflated miss rates

A Altay, M Baykal-Gürsoy - Transportation Research Part C: Emerging …, 2022 - Elsevier
Despite the technological advances in track monitoring, track quality control systems are not
always reliable. Inspections may miss defects; all defects may not be registered or recorded …

Assessment of fracture reliability analysis of crack growth in spring clip type Vossloh SKL14

S Mohammadzadeh, S Ahadi… - Proceedings of the …, 2014 - journals.sagepub.com
Spring clips type Vossloh SKL14 (fastening system of track) are vulnerable to fatigue
damage in lifetime due to excitations caused by traffic loads. This article has tried to develop …

Vehicle response-based track geometry assessment using multi-body simulation

S Kraft, J Causse, F Coudert - Vehicle System Dynamics, 2018 - Taylor & Francis
The assessment of the geometry of railway tracks is an indispensable requirement for safe
rail traffic. Defects which represent a risk for the safety of the train have to be identified and …

Dynamic response of double beam rested on stochastic foundation under harmonic moving load

S Mohammadzadeh, M Esmaeili… - International Journal for …, 2014 - Wiley Online Library
This paper deals with the dynamic response of infinite double Euler–Bernoulli beam
supported by elastic foundation with stochastic stiffness subjected to an oscillating moving …

A robust complementary index for railway maintenance planning based on a probabilistic approach

F Janatabadi, S Mohammadzadeh… - International Journal of …, 2021 - Taylor & Francis
ABSTRACT A probabilistic Track Performance Index (TPI) is proposed for maintenance
prioritization in the railways. TPI evaluates the safety condition in a segment by estimating …

[PDF][PDF] A finite element approach to develop track geometrical irregularity thresholds from the safety aspect

A Miri, S Mohammadzadeh… - Journal of …, 2017 - warminski.pollub.plwww.ptmts.org.pl
Riding quality and safety of rail tracks are directly influenced by track geometry; hence, their
degradation along time could reduce safety and cause serious accidents. Standards …