Alkhdour A. Justification parameters of stabilization a fortified subgrade railroad

The dissertation is devoted to stabilization parameters reinforced subgrade of railway. On the basis of theoretical studies addressed the problem of determining the stress-strain state (SSS) subgrade reinforced geomaterials by measuring stresses in its application for step loads from 0.0644 MPa to 0.322 MPa. Established parameters of the stress-strain state to reinforce subgrade few deformable layer of crushed stone-ground mixture with decreasing relative strain from 0.008 to 0.017. Developed a way to strengthen subgrade reinforced geotextile with curved edges and justified its parameters at a distance of 0.4 m from the rubble-soil mixture (RSM), thus increasing the strength of the subgrade is 1.8 - 2.0 times and its stability for speed trains. Graphs perform works on construction modernized railway subgrade. An analysis of the options presented production schedules, the time for implementation of the proposed options are reduced to 39.73 hours, compared with the project, equal to 117.35 hours, ie nearly 2.95 times.