Fibers for Permeability Endicott 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

Lowe's
(607) 770-9800
225 Sycamore Road
Vestal, NY
Fastenal- Vestal
607-729-7153
320 N Jensen Rd Vestal, NY, 13850
Vestal, NY
Home Central
(607) 785-3307
199 Stage Road
Vestal, NY
Kovarik True Value Hardware
(607) 729-0802
276 Clinton St
Binghamton, NY
Kmart 3521 / Cross Merch
(607) 772-6618
33 W State St
Binghamton, NY
Lowe's
(607) 762-1000
1318 Upper Front Street
Binghamton, NY
ABC Supply Co.,Inc/Endwell
607-786-3316
3125 Pearl Street Endwell, NY, 13760
Endwell, NY
LOWE'S OF VESTAL, N.Y.
607 770-9800
225 SYCAMORE RD. VESTAL, NY, 13850
Vestal, NY
Greggs True Value
(607) 692-4544
Whitney Point Plz -rt 11 North
Whitney Point, NY
Kmart 7375 / Cross Merch
(607) 754-5920
527 Endicott Plaza
Endicott, 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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