FIELD: construction.
SUBSTANCE: natural soil is extracted for optimal depth, drilling is done from the bottom of excavation of vertical and inclined wells to the roof of permafrost soils, steel pipes filled with sand and in the upper part with concrete are submerged into wells, a buffer layer from crushed stone is filled on the entire area of the excavated bottom, layers of horizontal reinforcing elements are laid above the buffer layer in the form of geogrids filled with crushed stone, the excavation is filled with coarse clastic rock with subsequent arrangement of road surface.
EFFECT: increased efficiency in reduction of deformations of motor and railway roads on permafrost soils that thaw out in process of operation and are located in an earth bed base.
1 dwg
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Authors
Dates
2014-12-27—Published
2013-07-18—Filed