Fibers for Permeability Nanuet 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

Fastenal- East Rutherford
201-804-2228
33 Rt 17 South East Rutherford, NJ, 07073
East Rutherford, NJ
Lowe's of Paterson, NJ
973-341-8102
265 McLean Boulevard Paterson, NJ, 07504
Paterson, NJ
Ludewig's Hardware
201-836-4991
321 Queen Anne Road
Teaneck, NJ
Woodlawn Supply
914-663-0900
772 McLean Ave
Yonkers, NY
Bronx-Fordham Rd
(718) 817-7300
404 E Fordham Road
Bronx, NY
Allied Building
(201) 935-0800
15 East Union Avenue East Rutherford, NJ, 07073
East Rutherford, NJ
ICW/INDUSTRIAL COMPONENTS
(914) 777-3245
626 Third Street Mamaroneck, NY, 10543
Mamaroneck, NY
Ace Hardware
(201) 768-7377
206 Pegasus Ave
Northvale, NJ
Morales Department Store
718-299-6668
1862 Jerome Ave
Bronx, NY
The Home Depot
(201)226-9929
99 State Route 17 North
Lodi, NJ

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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