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StructuralGeneralRapid Strength Gain Dry-Mix Shotcrete: A Unique Solution for Highly Complex Projects

Christine Poulin

The construction industry must embrace new technologies and innovations to address today’s challenges. With its unique features, shotcrete stands out as a placement solution, meeting the most stringent project standards and offering unmatched benefits compared to traditional form-and-pour concrete.

GeneralPre-Job Safety Checks

Mark Corner

A well-planned job with a focus on safety will bring profit to your company, and your customers will appreciate a job done on-time and on-budget. Spending the proper time every day pre-planning and ensuring the job is safe will benefit all.

UndergroundStructuralInternationalGeneralThe Application of Shotcrete in Shafts: Work Preparation and Construction Based on Various Projects in Central Europe

By Paul von der Hoeh, Norbert Fuegenschuh, Richard Gradnik

Shotcrete shafts often present unique challenges for construction projects. In many cases the construction method is different from the one used in the main tunnel (often using a TBM), presenting challenges recruiting experienced and certified personnel for the shaft works.

ArchitecturalStructuralGeneralModelling the Service Life of Structures with Cast-in-Place Concrete vs. Wet-Mix Shotcrete

By Lihe Zhang, Dudley R. Morgan, Sidney Mindess

When properly designed and applied, wet-mix shotcrete provides equal or increased service life for reinforced concrete structures compared to cast concrete.

ArchitecturalUndergroundStructuralGeneralPolymer Rubber Gel Technology: High-Performance Waterproofing for Shotcrete and Blind-Side Applications

By John H. Huh

The innovative GTS Polymer Rubber Gel waterproofing systems are proven and effective for underground construction applications.

RepairUndergroundStructuralGeneralSummary of ‘Guideline on the Applicability of Fiber-Reinforced Shotcrete for Ground Support in Mines’

By Rym Msatef and Marc Jolin

This guide examines and provides a description of the common testing methods used for FRS and how to interpret the information generated for ground support in mines.

ArchitecturalUndergroundStructuralGeneralUpdated Fiber-reinforced Shotcrete Testing Standard — Faster, Easier and Better!

Bill Gears and Benoit de Rivaz

The updated fiber-reinforced shotcrete testing standard in underground projects provides not just significant cost savings, but just as critical, helps us to significantly reduce the carbon impact of the underground construction industry and provide for a better environment and future for us all.

RepairArchitecturalStructuralGeneralGuide to ACI Shotcrete Documents

Lars Balck

GeneralRisk Management

Theo Goodwell

In the world of shotcrete, we often speak about the importance of safety: how to handle the nozzle safely, how to hold the nozzle to protect your back, the impor- tance of proper personal protective equipment (PPE), and even pump and vehicle maintenance. How all

GeneralCan Shotcrete be Affected by Alkali Silica Reaction?

Mark Lukkarila, F.ACI

The American Concrete Institute (ACI) defines alkali- silica reaction (ASR) in ACI CT-23: ACI Concrete Terminology as “the reaction between the alka- lies (sodium and potassium) in portland cement and certain siliceous rocks or minerals, such as opaline chert, strained quartz, and acidic volcanic glass,