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2015FallShotcreteEMag

Corporate Member Profile Active Minerals International, LLC Ations for today’s technologically advanced overhead applications are desired.enon is perfect for shotcrete and gunite where highlifts, thick walls, reduced rebound, and one-pass-ctive Minerals International, LLC (AMI),focuses on innovative industrial mineral solu world. AMI is an award-winning environmentally responsible company, dedicated to conserving Acti-Gel 208 Solves Industry Needs resources, reclaiming mined land, and leaving the Earth a better place. Through our mines, processing Acti-Gel 208 stabilizes the concrete and plants, and storage facilities in the United States, improves the adhesion/cohesion promoting very Asia, Australia, and Latin America, we target the minimal rebound. Excessive rebound is wasteful production of high-quality industrial minerals and and costs a company significant time and money. mineral products that are used by industries and Our mineral additive keeps the concrete on the organizations across the world. AMI is the largest wall, which reduces material costs and jobsite supplier of air float kaolin and gel quality attapulgite cleanup times. Once it sprays, it stays. globally. Our knowledgeable and dedicated teams Acti-Gel 208 can also eliminate the need for of scientists, geologists, engineers, chemists, sales silica fume. It performs as well as if not better personnel, and customer service professionals ensure than the pozzolan while reducing the breathable we supply competitively priced quality mineral airborne particles produced by spraying shotcrete. products such as Acti-Gel® 208. Our mineral additive provides the same benefits Our shotcrete mineral additive, Acti-Gel 208, silica fume can bring to a formulation, such as promotes a cohesive concrete that stabilizes a increased cohesion, reduced permeability, anti- flowable, pumpable mixture when energy is segregation, and reduced bleedwater but at the removed from the system. This natural phenom- low dose of 2.5 lb/yd³ (1.5 kg/m3) of Acti-Gel 208. Acti-Gel 208 greatly improves adhesion and cohesion. For example, you can build a wall out to nearly 12 in. (305 mm) and over 8 ft (2 m) high. Our mineral additive is also incredibly beneficial when the mixture is unstable and the ability to build the shotcrete out to full depth as well as get- ting a proper height seems impossible. Acti-Gel 208 increases workability and holds the mixture together well enough for a finisher to come by and immediately trowel a wall that was just placed and allows for easy finishability several minutes after the nozzleman has passed. Mining/Underground In mining, safety is the number-one priority. Being able to shoot concrete overhead without the risk of sloughing or falling on nozzlemen standing underneath is a major benefit of Acti-Gel 208. Add that to reduced rebound, elimination of silica fume, reduced set accelerators, improved early strengths, and reduction of airborne particles and you are left with a safer, more efficient, and cost- effective underground shotcrete project. 68 Shotcrete • Fall 2015


2015FallShotcreteEMag
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