Asphalt concrete base layer and construction method of asphalt concrete pavers

1. Where the plastic surface layer meets the artificial turf, how the asphalt concrete base layer paves

In the inner circle of the 400-meter track and field venue, football fields are often provided. When artificial turf football fields are encountered, the base layer of the artificial turf field is mostly designed as asphalt concrete. Although all of them are asphalt concrete, due to the height difference of 40-60mm, During the construction, measures should be taken to rationally arrange the sequence and strictly control the elevation so as to prevent the elevation mismatch.

In the case of designing a football field, the level should be controlled at the grassroots level. The height of the football field should be controlled at 40~60mm below the base of the plastic. When the asphalt concrete base is laid, the football field should be distributed first. Asphalt concrete shall be paved on the boundary line and on the side of the football field before being paved with plastic-asphalt concrete. It shall be blocked by a ruler, and shall be 40mm high (according to actual needs) and be nailed to the grass-roots level of the football field. Asphalt concrete, nail spacing is not more than 70cm, see the following figure, after grinding, rolling, leveling, remove the ruler board, into a vertical stand can be.

Plastic floor and artificial grass surface asphalt concrete

1 - artificial grass surface direction; 2 - the direction of the plastic surface; 3 - by the rule board (boiler); 4 - steel nails;

5—synthetic grass base; 6—plastic base; 7—lime fly ash gravel base; 8-lime soil base

II. How to use asphalt concrete paver with automatic leveling device

During the operation of the asphalt concrete paver, the asphalt concrete is unloaded into the storage hopper by the dump truck, and is conveyed to the rear of the paver through the conveyor belt. The asphalt concrete is dispersed by the screw distributor to advance the machine. After the screed was paved on the roadbed. The entire operation process is shown in the figure below.

Asphalt paver shape and mechanized operation

1—Dump Truck; 2—Paver Hopper; 3—Scraper Conveyor; 4—Engine;5—Steering;

6—screed lifting device; 7—adjustment screw; 8—roller; 9—screed;

10—Helix Pavers; 11—Varying Wheels

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