GeneralJob Communication On Site
Marcus H. von der Hofen
Read MoreThere are a lot of us that have been doing this stuff for what seems like forever.
GeneralSustainability with a Capital “S”
Marcus H. von der Hofen
Read MoreToday we are inundated with the goal of green building, LEED points, eco-communities, our ecological footprint, global warming, resource management, and many other accolades of sustainability.
GeneralIs Shotcrete Sustainable?
Lihe (John) Zhang
Read MoreThe shotcrete process was developed over 100 years ago.
GeneralIs Your Wet-Mix Placement System Safe?
Oscar Duckworth
Read MoreIt?s lucky no one was killed,? said the nozzleman. ?I just didn?t see it,? was the only explanation offered by the pump operator.
GeneralRigging for Shotcrete
Ted W. Sofis
Read MoreI am not going to talk about hardhats, safety glasses, or hearing protection.
GeneralWet-Process Shotcrete Placement Formula for Nozzlemen: M+A+R+V+S=PHD
Mike Norton
Read MoreThe formula M+A+R+V+S=PHD is defined as material, air, reinforcing, velocity, slump= pattern of spray, height of lift in one pass, distance of nozzle from receiving surface.
GeneralAre You Using the Right Wet-Mix Nozzle?
Oscar Duckworth
Read MoreMy first shotcrete nozzle was a lot like my first car. I thought it was the best thing ever, until I replaced it and found out how truly bad it was.
GeneralCertification vs. Qualification of Shotcrete Nozzlemen
Merlyn Isaak
Read MoreIn 2000, ACI, in cooperation with ASA, established a formal certi?cation program for certifying shotcrete nozzlemen.
GeneralGet Your Nozzlemen Certified
Ted W. Sofis
Read MoreIn 1998 we started a shotcrete project on a dam near Altoona, PA, that called for nozzleman certification.
GeneralConcrete Burns
Marcus H. von der Hofen
Read MoreSkin irritations or cement burns caused by contact with wet concrete are a daily hazard faced by concrete and shotcrete workers.