Web10 Dec 2024 · We explore the process and characteristics of the temperature field and deformation of soil during the freezing process of high-speed railway subgrades and … Web1 Oct 2000 · The ISERT (Improving the Stiffness of Existing Railway Track) project aims to devise a method for assessing and improving railway subgrade stiffness without disrupting operational services. The ultimate aim is to achieve a consistent level of subgrade stiffness along a complete route, enabling heavier loads to be carried and reducing maintenance …
Frontiers Finite Element Modeling of Ballasted Rail Track …
Web19 Mar 2024 · The model of an operated high fill in the zone of subgrade adjoint to bridge abutments is a multi-element one: 1 – fill-body soil (clay soil); 2.1 – crushed-stone ballast; 2.2 – protective layer formed by sand-and-gravel mixture; 3 – reinforced concrete abutment-subgrade system; 4 – natural subgrade. Web30 Nov 2024 · However, the performance of the railway substructure in the UK is deteriorating with climate change, leading to emergency line closures and severe speed … dr batista pomona ny
Performance analysis of subgrade in asphaltic rail track design …
http://pure-oai.bham.ac.uk/ws/portalfiles/portal/25078710/An_Investigation_of_Subgrade_Differential_Settlement_on_the_Dynamic_Response_of_the_Vehicle_Slab_Track_System.pdf Web26 Aug 2024 · The railway subgrade is a structure that bears and transmits the gravity of the track and the dynamic action of the train. It is the foundation of the track and an … WebThis paper examines the effect of structural deformation on the unit slab-type ballastless track structure of high-speed railway. The principle of stationary potential energy was used to map the relation between girder vertical deformation and rail deformation considering the effect of subgrade boundary conditions and the nonlinear contact of interlayer. The … dr batniji newport beach