Part I of a Two-Part Series on Wet-Mix Equipment Maintenance: Do you know how to properly lubricate your wet-mix pump?
Fallouts Can Be Deadly!
Many years ago, when the use of shotcrete in an underground support system was not as popular as it is today, I witnessed a mine foreman walk into an underground opening to admire the job his shotcrete crew had done placing shotcrete only an hour or two earlier.
The Use of Shotcrete for Construction of Backfill Barricades in Mining Environments
As we all know, the mining process is essentially the excavation and extraction of rock, ore, gems, or other minerals from the earth?s surface.
Pointe de la Prairie Lighthouse
Retarders versus Set Stabilizers
When concrete is cast, a retarding admixture is often used to keep the mixture workable until finishing is completed.
Shotcrete in Qatar
Crom International LLC (Crom), a subsidiary of The Crom Corporation, recently completed two large shotcrete storage tank projects in Qatar totaling over 144 million gal. (545,000 m3) of usable potable water storage.
Does Dry-Mix Shotcrete Have to be Dusty?
An underground environment is often fraught with hazards – some obvious and some not-so-obvious.
Shotcrete Hose/ System Cleanout Safety
I am writing this article to reinforce to the members of wet- or dry-process shotcrete crews that the cleanout process can be very dangerous.
Hose Selection and Safety in Concrete Pumping
There are many options for hoses to use for the concrete pumping portion of wet-process shotcrete application,
Shotcrete Testing Around the World
Charles Hanskat?s article on ?Shotcrete Testing?Who, Why, When, and How?1 in the Summer 2011 issue of Shotcrete magazine provided us with an excellent overview of shotcrete testing in the United States.