Results 71 to 80 of about 67,564 (151)
Advances in Civil EngineeringDue to the particularity of the construction technology of the CRTS I slab track bagging method, there is a certain roughness between the track slab and the mortar layer in the actual project.
Xianmai Chen +3 more
doaj +1 more source
Adaptability of Prefabricated Track Slab Dimensions to Track Alignments in Urban Rail Transit
Chengshi guidao jiaotong yanjiuObjective By investigating the adaptability relationship between prefabricated track slab dimensions and track alignments, and proposing reasonable prefabricated slab dimensions based on corresponding constraints, a basis for the engineering design and ...
DUAN Haibin, DUAN Yuzhen, CHEN Peng
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HARPO: a TPC as a gamma-ray telescope and polarimeter
, 2014 A gas Time Projection Chamber can be used for gamma-ray astronomy with excellent angular-precision and sensitivity to faint sources, and for polarimetry, through the measurement of photon conversion to $e^+e^-$ pairs.
Anvar, Shebli +16 more
core +1 more source
Non-equilibrium current and electron pumping in nanostructures
, 2009 We discuss a numerical method to study electron transport in mesoscopic devices out of equilibrium. The method is based on the solution of operator equations of motion, using efficient Chebyshev time propagation techniques.
A Alvermann, Datta S, H Fehske, Haug H
core +1 more source
High-Speed RailwayIn areas with large temperature differences, the uneven distribution of temperatures in the CRTS III ballastless track slab due to daytime sunlight can cause warpage deformation, leading to periodic rail irregularities that increase the wheel-rail impact
Lei Zhao +4 more
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Research related to vibrations from high speed railway traffic
, 2008 We discuss here recent results from several research programmes related to dynamic aspects and vibrations induced by high speed railway traffic, developed at the computational mechanics group, within the “Escuela de Ingenieros de Caminos” of the ...
Gabaldón Castillo, Felipe +1 more
core
Nonlinear damping of slab modes and cosmic ray transport
, 2007 By applying recent results for the slab correlation time scale onto cosmic ray scattering theory, we compute cosmic ray parallel mean free paths within the quasilinear limit. By employing these results onto charged particle transport in the solar system,
A. Lazarian +27 more
core +1 more source
Shock and Vibration, 2019 At present, steel-spring floating slabs have been widely used in urban rail transit to reduce the influence of ground vibration caused by vehicle operation on the surrounding environment. As a core part of vibration reduction for floating slab track, the
Caiyou Zhao +5 more
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Dynamic comparison of different types of slab track and ballasted track using a flexible track model
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 2011 The dynamic performance of a ballasted track and three types of slab track is analysed and compared by means of a comprehensive dynamic model of the train–track system, generated using two commercial analysis software packages: the commercial multibody system (MBS) analysis software SIMPACK and the finite element method (FEM) analysis software NASTRAN.
Blanco-Lorenzo, Julio +3 more
openaire +2 more sources
Research on Stresses of Narrow Joints Caused by Construction Process of CRTSIISlab Track
MATEC Web of Conferences, 2018 A separate finite element model of 1/4 unit track slab of CRTS IIslab track was established for the analysis of the influence of construction process on stresses of narrow joints.
Zhu Yongjian
doaj +1 more source