Fibers for Permeability Saugerties 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

Williams Lumber & Hme Ctr
(518) 851-3641
3679 Us Route 9
Hudson, NY
Fastenal- Kingston
845-340-1602
101 Smith Avenue Kingston, NY, 12401
Kingston, NY
Lowe's of Greenport
518-267-4051
490 Fairview Ave Hudson, NY, 12534
Hudson, NY
Village Hardware
518-263-4260
7953 Main St
Hunter, NY
Fairview Plaza
(518) 828-7777
160 Fairview Ave
Hudson, NY
P C Smith & Son Inc
(845) 246-4500
227 Main St
Saugerties, NY
Williams Lumber Co.
(845) 876-7011
6760 Rte 9
Rhinebeck, NY
Lowe's of Catskill
518-943-6330
60 Catskill Commons Catskill, NY, 12414
Catskill, NY
LOWE'S OF ULSTER, N. Y.
845 382-6000
901 FRANK SOTTILE BLVD. KINGSTON, NY, 12401
Kingston, NY
The Home Depot
(845)336-4575
1122 Ulster Ave
Kingston, NY

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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