Fibers for Permeability Flushing NY

Permeability is defined as the property that governs the rate of fluid flow through a porous solid (Ref. 1). The porosity of cement paste determines the permeability of concrete (Ref. 2). The water-cement ratio is one of the largest contributors to porosity development, but, on the whole, porosity is determined through chemical interaction.

Local Companies

Mitchell Simon Co Inc
(201) 568-2108
15 S Dean St
Englewood, NJ
ABC Supply Co.,Inc/Hicksville
516-822-2900
55 Ludy Street Hicksville, NY, 11801
Hicksville, NY
Brite Hardware Auto Parts, Inc
718-849-8121
112-15 Jamaica Avenue
Jamaica, NY
The Home Depot
(718)230-0833
585 Dekalb Ave
Brooklyn, NY
The Home Depot
(718)830-3323
75-09 Woodhaven Blvd
Glendale, NY
Monster Woodshop
888-506-6678
607 18th Street
Brooklyn, NY
Costello's Ace Hardware
(516) 280-7885
2323 Jericho Turnpike, In Pathmark Shopping Center/Near Charlie Brown's
Garden City Park, NY
Fastenal- Hicksville
516-942-2640
73 Bloomingdale Rd Hicksville, NY, 11801
Hicksville, NY
The Home Depot
(201)262-3344
520 Route 17 North
Paramus, NJ
The Home Depot
(718)358-9600
131-35 Avery Avenue
Flushing, NY
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Source: THE CONCRETE PRODUCER/CONCRETE JOURNAL MAGAZINE
Publication date: March 1, 2001

Question: A customer has asked us to include fibers in the mix design for a water retention tank. The idea is that the fibers will reduce the permeability of the concrete. Is that true?

Answer: There are really two responses here. The first defines permeability, and the second determines how fibers affect permeability.

Permeability is defined as the property that governs the rate of fluid flow through a porous solid (Ref. 1). The porosity of cement paste determines the permeability of concrete (Ref. 2). The water-cement ratio is one of the largest contributors to porosity development, but, on the whole, porosity is determined through chemical interaction. Since the fibers themselves are chemically inert and have no interaction with cementitious reactions, it is not possible for the fibers to decrease the permeability of concrete.

However, this is not to say that fluid will not flow through the concrete at a different rate when fibers are present. In a simple sense, fibers are small, flexible aggregates. As such, they create a small matrix of aggregates within the larger concrete matrix. If moisture flows through concrete via the cement paste, then the fibers create a more tortuous path. The more tortuous the path, the longer it takes the water takes to traverse it.

Click here to read full article from The Concrete Producer

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