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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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 … […]