This is Part Two of a two-part series on potential causes of problems in concrete and shotcrete.
ASA’s Contractor Qualification Program
As 2018 begins, the ASA Contractor Qualification Committee is putting the final touches on the Contractor Qualification program slated to premier this spring.
Hydro-Mix Nozzle Setups
Hydro-mix and predampening nozzle options have been around for many decades?some dating back to the original cement gun company days.
Dry-Mix Gun with Mobile Volumetric Batching Equipment
Within any construction site, there are hazards that need to be recognized to produce a safe work environment.
The History of Shotcrete Equipment
Transcrete specialized in building pumps for highrise buildings and large concrete placements. The concrete used on these projects was normally low-slump, high-strength mixtures.
ACI Nozzleman Certification – Why, Who, When, and How
ASA is the largest ACI sponsoring group offering ACI Shotcrete Nozzleman Certification in the world.
Tips for Maintaining High- and Low-Pressure Concrete Pumps
Cleaning and maintenance is one of those ?necessary evils.? It takes time away from shotcrete placement on the project but skipping it can be even moretime consuming, as well as costly.
Responding to an OSHA Inspection
Whether an OSHA inspection of your workplace or construction site is triggered by a workplace injury, a formal complaint, a programmed wallto- wall inspection, or just a spot decision while OSHA happens to drive by your construction site, being preparedbeforehand will help limit exposure and help defend against any citations that may be issued.
Chemistry and Heat Treatment
If you stop and take a look around your shop at your equipment and tools, and maybe the walls and beams of the building itself, you are bound to see dozens or hundreds of individual metal components.
Can Supplemental Consolidation Extend the Limits of Shotcrete Placement
In many major metropolitan regions of the United States, shotcrete methods are being used daily to place concrete within elements incorporating large, highly congested reinforcement layouts.