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Performance-Based versus Prescription-Based FRC Specifications
May 28, 2015
Which method is best when writing specifications for fiber-reinforced concrete? This article provides the historical, testing and physical property related data — plus more — that leads to the reasoning behind ABC Polymer’s preferred method of writing fiber reinforced concrete specifications. Fiber Reinforced Concrete History — Micro Beginnings Synthetic Fibers as reinforcement for concrete were […]
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A Fiber Reinforced Concrete Testing Primer for Ready Mix Professionals (Part 1)
March 18, 2015
In this and the next issue of Ready Mixer News Memo, we will provide a Fiber Reinforced Concrete Test Primer for ready mix professionals, engineers, contractors, and commercial laboratory personnel. Part 1 in this issue includes: A sampling of Fiber Reinforced Concrete (FRC)/Fiber Reinforced Shotcrete (FRS) Fabrication of FRC/FRS test specimens. Part 2 in the next […]
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What are the Differences Between Types A, B, C and D FIBC Fabrics?
December 10, 2014
Bulk Bags or FIBC fabrics are all about controlling static electricity, which is an imbalance of electric charges within or on the surface of a material. When bulk bags are rapidly filled and discharged, the flowing movement of finely powdered substances can cause a buildup of static electricity. Removing or preventing an electrical charge is […]
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How Should Concrete Mixes with High Dosages of Macrosynthetic Fibers Be Adjusted?
December 10, 2014
In this article, we will review an acceptable approach to adjusting concrete mixes with high dosages of Macrosynthetic Fibers, such as ABC Polymer’s FiberForce 650™, Performance Plus DOT™ and Macro-Pro™, are used as reinforcement in the concrete at dosage levels from 3.0 to 11.0 pcy. The Basics When we talk about a standard concrete mix design […]
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Macrosynthetic Fibers Increase Project Profitability and Reduce Project Costs
October 24, 2014
Macrosynthetic Fibers Increase Project Profitability Over Conventional Temperature-Shrinkage Control When using conventional WWF (welded wire fabric) or #3 & #4 rebar for temperature-shrinkage control Structural Engineers sometimes use a one-size-fits-all approach on projects to minimize the potential for the field crew to place the wrong reinforcement system in a cross-section. However, the Structural Engineer may […]
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Seven Reasons to Use Bulk Bags Rather Than Drums or Boxes
October 6, 2014
Many costs, convenience, and safety factors must be considered when determining the best type container for storing, shipping and protecting your company’s valuable product(s). Here are the Seven Reasons to Use Bulk Bags Rather Than Drums or Boxes: Drums/barrels do not collapse when empty. Drums take up as much space when shipped to your warehouse and when […]
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Macrosynthetic Fibers Save Owners Money Over Conventional Temperature-Shrinkage Steel Reinforcement
July 21, 2014
When using conventional temperature-shrinkage steel reinforcement the Structural Engineer tends to use a one-size-fits-all approach on projects to offset the potential for the field crew to place the wrong reinforcement system in a cross-section. Too often the Structural Engineer determines what temperature-shrinkage reinforcement is needed for the most demanding concrete application and then specifies that […]
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3-Part Master Specification: Macrosynthetic-Fiber Reinforced Concrete
July 20, 2014
This specification is specific to the use of Macrosynthetic-Fiber Reinforced Concrete as secondary/temperature-shrinkage reinforcement and post-first crack reinforcement. The purpose of this document is to assist design professionals in the preparation of project or office master specifications. It follows guidelines established by the Construction Specifications Institute and, therefore, may be used with minor editing in […]
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Fiber Reinforced Pervious Concrete
May 15, 2014
Recently, the National Ready Mixed Concrete Association’s (NRMCA) Concrete INFOCUS publication discussed some opportunities and challenges in its NRMCA Services and Tools article about increased cooperation between concrete producers and contractors. According to NRMCA, each year parking lots and local roads present a paving market of more than 400 million cubic yards of concrete – a market of which […]
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Fiber Reinforced Pervious Concrete Specification
May 14, 2014
This Addendum is to be used in conjunction with ACI 522.1 Specification for Pervious Concrete Pavement ACI 522.2.23 Fibers reads: The use of fibers in pervious concrete is permitted when approved by the Architect/Engineer. Important: ACI 522.3.13.1 Opening to Traffic reads: Do not open the pavement to vehicular traffic until the concrete has cured at least 7 uninterrupted days … […]