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 ?
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.
Due to its versatility, soil-cement is widely used as either a low-cost pavement subgrade or base material for many pavement applications.
Salem studied the effect of seasonal moisture variation on the resilient modulus of pavement subgrade soils.
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.
work also includes fine grading for pavement subgrade, installation of pavement, striping and signage.
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.
The work to be undertaken shall consist of: cold-milling existing asphalt concrete pavement surface; removal and construction of deep lifts in areas of pavement subgrade failure, and construction of conventional and rubberized hot mix asphalt pavement; adjustment of manholes and water valves to grade; removal and disposal of existing landscape materials such as shrubs and grass; removal and disposal of existing irrigation system; installation of irrigation system, including irrigation controllers, piping, valves, spray heads, drip line and bubblers; planting of landscape materials; removal and reconstruction of curbs, gutters, sidewalks, driveways, curb ramps; installation of traffic signing, striping and pavement markings; traffic control and all appurtenant work.
Pavement subgrade preparation and road base installation but exclusive of asphalt installation.
While the cost of labor prohibits cracking mortar off old bricks today, many demolition contractors find it very cost effective to crush the used brick and concrete and re-use them as processed aggregate in pavement subgrades or as compacted fill.