Influence of elements fastening system type SB for chosen exploitation parameters
Autor
Chudyba, Łukasz
Lisowicz, Tomasz
Opublikowane w
Journal of civil engineering and transport : transEngin
Numeracja
Volume 6, Number 1
Strony
39-49
Data wydania
2024
Miejsce wydania
Radom
Wydawca
Uniwersytet Technologiczno-Humanistyczny im. Kazimierza Pułaskiego
Język
angielski
ISSN
2658-1698
eISSN
2658-2120
DOI
10.24136/tren.2024.003
Słowa kluczowe
clamping, force, fastening system SB, laboratory research of fastening system, Technical Specifications for Interoperability
Abstrakt
The paper presents a comparative analysis of the clamping force on the operating parameters of the SB fastening system. An overview of used elastic fastening systems for prestressed concrete sleepers is presented. The results of laboratory research carried out in accordance with the applicable European standards of the PN-EN 13481 and PN-EN 13146 series are described synthetically. Specially prepared clamp type SB with different stiffness within the range allowed by PKP PLK S.A. were selected for the tests. All tests were done in accredited laboratory. The paper presents the impact of the SB clamp stiffness on the basic parameters of the fastening system, such as the clamping force and longitudinal resistance. A reduced value of the static stiffness of the clamp may fail to fulfill the requirements of the fastening system shown in the Technical Specifications for Interoperability. The risk of non-repeatability of the SB clamp should lead to the development of a solution or even a change to the W-type fastening system.
