Two-way plate compactor Share pavement layer structure and function

Two-way plate compactor Share pavement layer structure and function

Pavement structure generally consists of the surface layer, grassroots, cushion. The layers were then depending on design requirements, the composition may be from 2 to 3.

1, the surface layer

It is directly bear the load and natural factors that affect vehicle and load transfer to the structure layer grassroots level. Therefore, the structure has a high strength, smoothness and abrasion resistance, construction machinery honda vibrator concrete vibrator hose dense water impermeability and good temperature stability.

2, grass-roots

Is a structural layer is disposed beneath the surface layer, the surface layer is mainly passed down to withstand vehicle loads and load distribution spread to the bedding and soil base, so the grassroots should have sufficient strength and ability to resist deformation and have sufficient water stability.

3, cushion

Is located in the grassroots of the following structural layer, its function is impermeable, drainage, frost, grass and soil base to improve working conditions Engineering protection should not apply to the use of plant protection embankment slope poor geological conditions of the lot, commonly used plaster, hammer surface, grout and grout, shotcrete and retaining wall and other forms. Which first introduced two forms today.

1, filling and pointing

Filling apply to relatively hard, deep cracks larger rock cut slope. Pointing apply to hard and difficult to weathering, joints and thin cracks more rock cut slope. To rinse with water prior to grouting and pointing slope and clear weeds sewn inside dirt. Filling can be 1: 5 cement mortar, pound dense plug: 4 or 1. Wide and deep cracks when, to use the 1: concrete grout 6: 3: 6 or 1: 4. hot sale automatic steel bar straightening cutting machine Pointing with a 1: 3 cement mortar, can also be 1:: 2 or 1 0.5: 3 or 1: 2: 9 cement and lime mortar, mortar embedded cracks, combined with a solid rock.

2, Plastering

Not applicable to a variety of serious weathered easily weathered soft rock cut slope, but does not apply coal formations and diagenesis poor red clay rock slope. Slope gradient is not limited. Plastering mortar slag material may be lime, lime slag concrete or cement lime mortar, the surface can be coated with a protective layer of asphalt. Plastering thickness is preferably 3 ~ 7cm. Wipe the surface shall slope in front of the weathered rock clear brush clean, the slope should be relatively dry. In the cold winter, rain and strong sunshine when not suitable for plastering construction, suitable temperature of 4 ℃ ~ 30 ℃, and Gallant watering regimen. Wipe the surface of the protective layer using a shorter period, generally 8 to 10 years.