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Layout Optimization of Rail Expansion Joint on Long-Span Cable-Stayed Bridge for High-Speed Railway
المؤلفون المشاركون
Xie, Kaize
Liu, Wanli
Cai, Xiaopei
Zhu, Wenjun
Tan, Xiyuan
Gao, Yongjie
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-15، 15ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-07-27
دولة النشر
مصر
عدد الصفحات
15
التخصصات الرئيسية
الملخص EN
Continuous welded rail (CWR) has been widely applied to the Chinese high-speed railways.
It is interesting to reduce the effect of rail longitudinal force on the long-span cable-stayed bridges.
Taking the pile-soil interaction into account, the finite element model of CWR on the long-span cable-stayed bridge is established based on the bridge-track interaction theory.
The rail longitudinal force can be reduced and the track stability can be improved significantly by installing Rail Expansion Joint (REJ).
The layout scheme of REJ plays a controlling role on designing CWR on bridges.
Results show that the unidirectional REJ should be laid on both ends of the long-span cable-stayed bridge.
Switch rails of REJ are set up on the main beam, stock rails are laid on the simply supported beams and crossing over beam joints, and several-meter long small resistance fasteners need to be laid on the sides of stock rails to reduce the fixed pier longitudinal force near the main beam.
The range of REJ laid on cable-stayed bridge is mainly determined by temperature, rail breaking, and seismic condition; the bending and braking loads have little influence on it.
Multiple field tests are carried out to prove the validity of the numerical model and the design methodology.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Cai, Xiaopei& Liu, Wanli& Xie, Kaize& Zhu, Wenjun& Tan, Xiyuan& Gao, Yongjie. 2020. Layout Optimization of Rail Expansion Joint on Long-Span Cable-Stayed Bridge for High-Speed Railway. Advances in Civil Engineering،Vol. 2020, no. 2020, pp.1-15.
https://search.emarefa.net/detail/BIM-1124191
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Cai, Xiaopei…[et al.]. Layout Optimization of Rail Expansion Joint on Long-Span Cable-Stayed Bridge for High-Speed Railway. Advances in Civil Engineering No. 2020 (2020), pp.1-15.
https://search.emarefa.net/detail/BIM-1124191
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Cai, Xiaopei& Liu, Wanli& Xie, Kaize& Zhu, Wenjun& Tan, Xiyuan& Gao, Yongjie. Layout Optimization of Rail Expansion Joint on Long-Span Cable-Stayed Bridge for High-Speed Railway. Advances in Civil Engineering. 2020. Vol. 2020, no. 2020, pp.1-15.
https://search.emarefa.net/detail/BIM-1124191
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1124191
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