云南高校图书馆联盟文献共享服务平台- Railway Sciences

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Improving lateral track strength after ballast maintenance: 《Railway Sciences》2025年第2期141-158,共18页Stephen Wilk Dingqing Li; Purpose–MxV Rail conducted multiple single tie push tests(STPTs)between 2020 and 2023 to assess the changes in lateral tie resistance from tonnage accumulation,dynamic track stabilizers(DTS),tie type and ballast cond...; 关键词：Lateral track strength Single tie push test(STPT) Track buckle TAMPING Shoulder width Crib height

Buoyancy characteristic analysis and optimization of precast concrete slab track during casting process of self-compacting concrete: 《Railway Sciences》2025年第2期159-173,共15页Pengsong Wang Tao Xin Peng Chen Sen Wang Di Cheng; Purpose–The precast concrete slab track(PST)has advantages of fewer maintenance frequencies,better smooth rides and structural stability,which has been widely applied in urban rail transit.Precise positioning of prec...; 关键词：Casting process Buoyancy characteristics Precast concrete slab track SIMULATION Field test OPTIMIZATION

Salt rock filling in subgrade:a comprehensive review: 《Railway Sciences》2025年第2期174-198,共25页Liyang Wang Feng Chen Pengcheng Wang Qianli Zhang; Purpose–Salt rock from salt lakes can serve as a cost-effective material for subgrade filling,as demonstrated in projects like the Qarhan Salt Lake section of the Qinghai-Tibet Railway and the Qarhan Salt Lake sectio...; 关键词：Salt rock Subgrade filling Engineering properties WATERPROOFING Construction quality control

Gray relational analysis and SBOA-BP for predicting settlement intervals of high-speed railway subgrade: 《Railway Sciences》2025年第2期199-212,共14页Quanpeng He Shaoyuan Li; Purpose–The deformation of the roadbed is easily influenced by the external environment to improve the accuracy of high-speed railway subgrade settlement prediction.Design/methodology/approach–A high-speed railway s...; 关键词：Gray relational analysis Secretary bird optimization algorithm Backpropagation neural network Subgrade settlement Interval prediction

Study on the influence factors of HST running in the tunnels at 400 km/h: 《Railway Sciences》2025年第2期213-230,共18页Lei Liu Gengjie Sun Ziwei Zhang Jiaqiang Han; Purpose–The paper aims to clarify the operation rationality of high speed trains(HSTs)under tunnel condition with the speed of 400 km/h through representative aerodynamic factors including running drag,eardrum comfor...; 关键词：400 km/h high-speed railway operating condition Train-tunnel aerodynamic effects Coupling analysis Engineering optimization

Research on optimization and evaluation method of heavy-haul train cyclic braking manipulation: 《Railway Sciences》2025年第2期231-248,共18页Wen He Chongyi Chang Lan Li Yupan Song; Purpose–The study aims to build a high-precision longitudinal dynamics model for heavy-haul trains and validate it with line test data,present an optimization method for multi-stage cyclic brakes based on the model a...; 关键词：Heavy-haul trains Longitudinal train dynamics Cyclic brake Manipulation optimization Detailed manipulation evaluation

Prospect of comprehensive utilization of geothermal resources during the construction and operation of railway: 《Railway Sciences》2025年第2期249-265,共17页Mingyu Lei Yanliang Li Fei Lv Dian Xiao Jialiang Liu Qing Yang; Purpose–This study is dedicated to systematically collating the distribution and utilization circumstances of geothermal resources in China.Moreover,it endeavors to formulate a comprehensive utilization scheme for ge...; 关键词：Railways Construction and operation Geothermal resources Comprehensive utilization

Current development and prospect of national science and technology innovation platform in the railway industry: 《Railway Sciences》2025年第2期266-279,共14页Fang Zhao Jinping Liu Chunguang Zhang Zeping Zhao Xue Ning Junbiao Wang; Purpose–This study summarizes the overall situation of the resources of the national science and technology innovation platform in the railway industry,including the distribution of platform types,supporting institut...; 关键词：Railway industry National science and technology innovation platform Current development and prospect

Parameter influence analysis and optimization of wheel–rail creepage characteristics in high-speed railway curves: 《Railway Sciences》2025年第1期37-51,共15页Bolun An Jiapeng Liu Guang Yang Feng shou Liu Tong Shi Ming Zhai; sponsored by the National Natural Science Foundation of China(Grant No.52405443);the Technology Research and Development Plan of China Railway(Grant No.N2023G063);the Fund of China Academy of Railway Sciences Corporation Limited(Grant No.2023YJ054).; Purpose–To investigate the influence of vehicle operation speed,curve geometry parameters and rail profile parameters on wheel–rail creepage in high-speed railway curves and propose a multi-parameter coordinated opt...; 关键词：High-speed railway Curve track Wheel-rail creepage Parameter analysis Response surface methodology Optimization design

Research on expansion joint for high-speed railway long-span bridges in China: 《Railway Sciences》2025年第1期52-81,共30页Hui Guo Jinzhou Jiang Suoting Hu Chun Yang Qiqi Xiang Kou Luo Xinxin Zhao Bing Li Ziquan Yan Liubin Niu Jianye Zhao; National Key R&D Program of China(2022YFB2602900);R&D Fund Project of China Academy of Railway Sciences Corporation Limited(2021YJ084);Project of Science and Technology R&D Program of China Railway(2016G002-K);R&D Fund Project of China Railway Major Bridge Reconnaissance&Design Institute Co.,Ltd.(2021);R&D Fund Project of China Railway Shanghai Group(2021141).; Purpose–The bridge expansion joint(BEJ)is a key device for accommodating spatial displacement at the beam end,and for providing vertical support for running trains passing over the gap between the main bridge and the...; 关键词：High-speed railway(HSR) Long-span bridge Bridge expansion joint(BEJ) Integral design Rail expansion joint(REJ) Overall stiffness Longitudinal frictional resistance

《Railway Sciences》