pavement subgrade

pavement subgrade

The upper part of the soil, natural or constructed, that supports the load transmitted by the runway pavement structure. See pavement structure.
References in periodicals archive ?
For example, many States that have long, cold winters take advantage of the additional strength of pavements under frozen conditions by increasing the allowable axle load limits during wintertime pavement subgrade hardening.
Tenders are invited for the work under this contract consists generally of excavation and backfill, placement of geo-grid reinforced pavement subgrade, cast- in-place concrete, bituminous concrete pavement, drainage and related work at various locations.
Based on this study, aperture size, tensile strength at small strains, junction strength, and flexural rigidity are identified as the most important attributes of geogrids in pavement subgrade stabilization.
Due to its versatility, soil-cement is widely used as either a low-cost pavement subgrade or base material for many pavement applications.
Tenders are invited for excavation and backfill, placement of geo-grid reinforced pavement subgrade, cast-in-place concrete, bituminous concrete pavement, drainage and related work.
Salem studied the effect of seasonal moisture variation on the resilient modulus of pavement subgrade soils.
work also includes fine grading for pavement subgrade, installation of pavement, striping and signage.
Cooperative Agreement With Danish Road institute on "Pavement Subgrade Performance Study"
Rehabilitation of pavement subgrade, construction of new pavement and wearing course.
Tenders are invited for Extend parallel Taxiway "A" 638 FT to the south of the existing south end of Parallel Taxiway "A" which involves stripping and stockpiling topsoil, undercutting/filling any unsuitable subgrade soil, cut/filling and compacting taxiway pavement subgrade and drainage swales, installing drainage structures, placing and compacting taxiway pavement aggregate subbase, placing and compacting taxiway bituminous concrete pavement courses, filling topsoil, mulch seeding disturbed areas, and painting taxiway pavement markings.
Work generally includes, but is not limited to, mobilization; traffic control and construction signage; potholing utilities; clearing and grubbing including tree protection, tree removal, and trimming; removal and disposal of asphalt concrete pavement and subgrade, concrete curb ramp, curb, gutter, sidewalk, and miscellaneous roadway appurtenances; excavating, grading and compacting pavement subgrade and base materials; construction of asphalt concrete pavement, concrete curb, gutter, medians, stone facing truck apron, shared use path, drainage facilities, street lighting system, landscape planting and irrigation; traffic signs, stripes, markers, and markings; installation of the agency-furnished street name signs; adjustment of utility covers; installation of survey monuments.