METHOD FOR ERECTION OF GRADE-CROSSING ELIMINATION STRUCTURE

highway engineering, applicable in construction and reconstruction of grade-crossing elimination structures at different grades of trunk highways in the conditions of narrow urban building. SUBSTANCE: the method for erection of grade- crossing elimination structure on the junction of the megapolis ring highway and radial trunk highway consists in stage-by-stage execution of jobs in erection of junction, erection of viaduct, overpasses, side ramos, entries and pavement. The novelty is in the fact that the viaducts pass under the radial highway on the route of the ring highway and are made in the form of tunnels, at least part of which makes up a single multispan multigrade framework, having a solid covering, for multilane traffic of transport in opposite directions, with ramp sections at the entry and exit, and side-ramps of different directions, at least part of which is located on overpasses and/or in tunnels. EFFECT: reduced labour and material costs, scope of excavation and terms of erection of the grade-crossing elimination structure in the conditions of narrow urban building, presence of numerous adjacent underground service lines, metro tunnels inclusive, and sufficiently nearly located railways, at simultaneous provision of durability of safe functioning, improved ecology, reduced noise load on megapolis residential districts in the zone of execution of jobs, prevented transfer of impact and vibratory loads to the adjacent service lines and building of the megapolis and their deformations. 11 cl, 11 dwg