Zobrazeno 1 - 10
of 1 509
pro vyhledávání: '"track structure"'
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 9, Pp 154-159 (2024)
Objective The insufficient toe load of the fastener elastic rod will induce loosening of the surrounding fasteners, aggravate the dynamic response between wheels and rails, affecting the service life of the track components. Compared with the missing
Externí odkaz:
https://doaj.org/article/b86ba7c1d03140e390bc87db268fc211
Publikováno v:
Archives of Civil Engineering, Vol vol. 70, Iss No 2, Pp 215-232 (2024)
This study focuses on experimental ageing tests with high temperatures carried out on prototype under ballast mats (UBMs) according to the procedure of the European standard EN 17282, which was introduced in late 2020. Most of the analysed UBM sample
Externí odkaz:
https://doaj.org/article/fdd72060f99a415da17063b1e91dd59b
Publikováno v:
Case Studies in Thermal Engineering, Vol 61, Iss , Pp 104992- (2024)
The longitudinal continuous slab ballastless track structure (LCSBTS) easily suffers from interface and joint damage when subjected to extremely high-temperature loads, significantly affecting the running smoothness and safety of high-speed trains. T
Externí odkaz:
https://doaj.org/article/c08dd0425f43469e8fe60c67dae05a79
Publikováno v:
Archives of Civil Engineering, Vol vol. 69, Iss No 4, Pp 247-262 (2023)
Resilient under sleeper pads (USPs) are vibration isolators used in the ballasted track structure to improve the dynamic performance of the track, reduce vibrations and protect the ballast layer. Being permanently connected with the rail supports (sl
Externí odkaz:
https://doaj.org/article/cfa139dcbac3477396aea18f3520daaa
Autor:
Omar Rodrigo García García, Ramon Ortiz, Eduardo Moreno-Barbosa, Naoki D-Kondo, Bruce Faddegon, Jose Ramos-Méndez
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 18, p 10061 (2024)
This work aims to develop and validate a framework for the multiscale simulation of the biological response to ionizing radiation in a population of cells forming a tissue. We present TOPAS-Tissue, a framework to allow coupling two Monte Carlo (MC) c
Externí odkaz:
https://doaj.org/article/382dc50f129140279145cc5566b3ef74
Autor:
Biao Wei, Shuaijie Yuan, Lizhong Jiang, Yujie Yu, Binqi Xiao, Jun Chen, Ruimin Zhang, Zhixing Yang, Shuaijun Li
Publikováno v:
Applied Sciences, Vol 14, Iss 12, p 5037 (2024)
As an important part of the boundary conditions on both sides of the high-speed railway track–bridge system, the seismic response of the subgrade structure is different from that of the bridge structure. This difference has become increasingly sign
Externí odkaz:
https://doaj.org/article/4de229527b444812a6891cb1f90368ca
Publikováno v:
Applied Sciences, Vol 14, Iss 12, p 5338 (2024)
This paper aims to address the problems of safety and durability in China’s ballastless track structures, particularly the lack of accurate analysis and methods for predicting the reliability of the new type of prefabricated track structure during
Externí odkaz:
https://doaj.org/article/e4ef965b94a54560b8b30e4b3d9db687
Publikováno v:
Archives of Civil Engineering, Vol vol. 69, Iss No 2, Pp 483-501 (2023)
Under sleeper pads (USPs) are resilient elements used in the ballasted track structures to improve dynamic behaviour of the track, reduce vibration and protect the ballast against fast degradation. As the elements permanently connected to the sleeper
Externí odkaz:
https://doaj.org/article/dd71c5aa9e0a42c8b102ce5692dc6972
Publikováno v:
Frontiers in Nuclear Medicine, Vol 3 (2023)
IntroductionWe developed a new method that drastically speeds up radiobiological Monte Carlo radiation-track-structure (MC-RTS) calculations on a cell-by-cell basis.MethodsThe technique is based on random sampling and superposition of single-particle
Externí odkaz:
https://doaj.org/article/f785249d40034d87a481fe008ea3766e
Autor:
Monika Mietelska, Marcin Pietrzak, Aleksandr Bancer, Antoni Ruciński, Zygmunt Szefliński, Beata Brzozowska
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 10, p 5094 (2024)
Details of excitation and ionization acts hide a description of the biological effects of charged particle traversal through living tissue. Nanodosimetry enables the introduction of novel quantities that characterize and quantify the particle track s
Externí odkaz:
https://doaj.org/article/1b27bc990ac74690aaa977428e47195e