StructuralGeneralA Survey of Fiber Options: A Guide to Choosing the Correct Fiber Option for Your Applications
Mac Young
Read MoreIn today’s concrete industry, while we are fortunate to have options, the wide variety can also create a paradox of choice: With dozens of commercially available fiber types and countless variations, how do you choose the right fiber for your application, performance requirements, and project goals?
EspañolGeneralLimpieza de la Línea: Agua vs. Aire y los Riesgos de Seguridad al Limpiar las Mangueras de Concreto Lanzado
Derek Pay
Read MoreAl finalizar la jornada de colocación de concreto lanzado, el trabajo no termina cuando se aplica el último material. Aún queda una de las tareas más importantes — y potencialmente más peligrosas — limpiar la manguera de conducción de concreto lanzado…
GeneralClearing the Line: Water vs. Air and the Safety Risks of Cleaning Shotcrete Delivery Hoses
Derek Pay
Read MoreThere are two common methods used to clear a shotcrete delivery system: Compressed air and water. Both can move material through a hose, but they do not present the same hazards. The fundamental difference comes down to…
GeneralCommentariesEditor’s Corner: Using AI to Write About Shotcrete? Here Are Some Things to Keep in Mind
Cara Baker
Read MoreIt’s true that AI can help organize your thoughts and get words on the page, but it works best when it’s paired with your expertise. If you’re using AI to help write an article about shotcrete, keep these tips in mind…
UndergroundStructuralGeneralEuropean Shotcrete Tech: An Overview of Permanent Shotcrete Lining Codes and Standards from Different Jurisdictions
Andy Thompson
Read MoreThis article examines the range of codes and standards applicable to the design of permanent shotcrete (sprayed concrete) linings, for underground construction. The relevance of these codes and standards to the designer will be dictated to some degree by the location of the project. There is no single approach
GeneralThe Hidden Cost of Nozzle Wear: How a 10% Increase in Nozzle Diameter Reduces Air Velocity by 17%
Raúl Bracamontes
Read MoreIn shotcrete operations, nozzle condition is often underestimated. Crews typically monitor pump output, airflow, slump, and accelerator dosage — but nozzle wear rarely receives the same level of attention. From a fluid mechanics standpoint, however, nozzle wear has a direct and measurable effect on…
RepairArchitecturalGeneralHot Weather Shotcreting with Liquid Nitrogen
Jamie Curtis
Read MoreFor shotcreters in the field, you know how difficult shotcrete placement can be; even on a good day. You’re also aware of how this type of work is made exponentially more complicated when…
ArchitecturalGeneralCommentariesLeverage Your Hands-On Shotcrete Experience: Become an ACI-Certified Shotcrete Inspector
Oscar Duckworth
Read MoreThere is an old saying with engineers and inspectors that you cannot have too many credentials. While that is true for many careers, it is underused in shotcreting. Knowledge and experience of successful concrete construction are the greatest career assets for those who work with shotcrete placement…
PoolRepairArchitecturalStructuralGeneralShotcrete Doesn’t Have Cold Joints
Charles Hanskat
Read MoreA typical question on projects using shotcrete placement is, “How do you deal with cold joints when shotcrete placement is interrupted?” The brief answer is that we don’t have cold joints — when we properly prepare the joint…
PoolGeneralThe Advantages of Completing the Pool Floor First: A Hybrid Construction Method for Large Commercial Shotcrete Pools
Mason Guarino
Read MoreAs commercial swimming pools continue to increase in size and complexity, contractors are continually looking for ways to improve production without compromising quality…