Paving method of water-permeable concrete

Details Paving method of water-permeable concrete Paving method of water-permeable concrete

1996-04-30

1998-08-04

Lisehora, James

Road structure, process, or apparatus

Process

Separate handling of different sized aggregate

404 82, 404 31, E01C 714

Patent

active

057884072

ABSTRACT:
Described is a paving method of fine water-permeable concrete which can be used for roadways, sidewalks, bikeways, parking lots, public squares, etc. A base layer of water-permeable concrete is paved by spreading and pounding a sand filter layer and a rubble base layer on the consolidated ground to have porosity after pounding of 10-20% and a coefficient of water permeability of more than 10.times.10.sup.-2 cm/sec. A mixture of crushed waste glass, fine rubble, 250-500 kg/m.sup.3 of cement, water at a water-cement ratio of 25-40%, and a polymer in an amount of 10-50% of the weight of cement used based on 50% solid material is spread on the base layer and pounded. The concrete is aged for more than one day, a mixture of a polymer and water was sprayed on the base layer to be absorbed, after which aging is done to complete the construction.

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patent: 4826350 (1989-05-01), Kambe
patent: 4834577 (1989-05-01), Perfetti
patent: 4895476 (1990-01-01), Vangaever

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