High-performance permeable concrete

Details High-performance permeable concrete High-performance permeable concrete

2005-04-05

2005-04-05

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S712000, C106S717000

Reexamination Certificate

active

06875265

ABSTRACT:
The present invention relates to an improved high-performance permeable concrete obtained by spreading and compacting a mixture which comprises 1,500-1,850 kg/m3of aggregates; 320-400 kg/m3of Portland cement; 28-35% of the cement (90-140 kg/m3) of water; 2-5% of the cement (6-20 kg/m3) of a pigment; and 3-10% of the cement (10-40 kg/m3) of charcoal dust, 7-15% of the cement (22-60 kg/m3) being substituted for particulates of blast furnace slag, and having the compressive strength of 120-300 kgf/cm2and the permeability coefficient of 2×10−2cm/sec or more. The permeable concrete according to the present invention is environmental friendly and has excellent strength and permeability.

REFERENCES:
patent: 6752865 (2004-06-01), Nayak et al.
patent: 2001-32402 (2001-02-01), None
Derwent Abstract No. 1997-435680, abstract of Brazil Patent Specification No. 9504344 (Sep./1997).

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