The purpose of this article is to present the performance evaluation of wet-mix shotcrete containing a pozzolanic-based rheology control (RC) agent as a replacement for silica fume (SF).
Testing Air Content of Dry-Mix Shotcrete
It has been well-established that the freezingand-thawing resistance of concrete is im- proved by air entrainment.
American Shotcrete Association’s Board of Direction Position Paper #1
Shotcrete Contractor and Crew Qualifications.
Shotcrete = Sustainability
The Summer 2013 issue of Shotcrete magazine?s Sustainability column marked the completion of a 10-article series detailing the ?Top 10 Sustainability Benefits of Shotcrete.?
Ultra Rapid Strength Development in Dry-Mix Shotcrete for Ultra Rapid Support in Challenging Mining Conditions
Recent developments in the field of cementing materials have brought forward many nontraditional binder systems.
Providing Sulfate Resistance in Severe Exposure Conditions
Naturally occurring sulfates are common in soils within certain regions of the United States and Canada, especially the western United States and prairie provinces of Canada.
EFNARC Nozzleman Certification Scheme
EFNARC was an acronym for European Federation of National Associations Representing producers and applicators of specialist building products for Concrete,? which was founded by the European concrete industry in 1989.
Part II of a Two-Part Series on Wet-Mix Equipment Maintenance
Maintenance Fundamentals for Nozzlemen: Often Overlooked Equipment and Maintenance Essentials Can Dramatically Influence In-Place Quality. Do you know what they are?
Awareness of Cement Burns
Most experienced concrete professionals are familiar with the hazards associated with portland cement mixtures, yet despite the precautionary steps most of those professionals follow, hospital emergency rooms, year after year, see far too many cases of cement burns.
Shotcrete Accelerators for Wet-Mix
Unlike traditional concrete accelerators, shotcrete accelerators are not added to the mixture during batching, but rather introduced to the mixture at the nozzle in wet-mix shotcrete application.