High-level wide-range pavement with internal drainage structure and construction method thereof
A high-grade, wide-width technology, applied in the field of internal drainage design of grade-wide pavement structures, can solve problems such as a single drainage structure
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[0029] The internal drainage scheme of the pavement structure of the high-grade wide pavement drainage in this embodiment is as follows: figure 1 shown.
[0030] For the overtaking lane, use permeable material as the overtaking lane surface layer 4, and impermeable material as the overtaking lane base layer 5, and use emulsified asphalt slurry seal layer 2 for water-proof treatment between the two to induce water flow to the right side of the permeable The base layer of the carriageway 7.
[0031] For the carriageway, an impermeable material is used as the carriageway surface 6 to induce water flow from the road surface to the right side ditch, while the carriageway base layer 7 is made of permeable material to provide a passage for the water flow under the overtaking lane to the drainage pipe 9 on the right side of the road. The roadway base 7 below the carriageway should extend appropriately to the overtaking lane base 5 below the overtaking lane to provide the latter's per...
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