Portal: General

This article is dedicated to Pete Tatnall, a founding member, Past President, and Board member of ASA;

Pete Tatnall was born in Worcester, MA. He received a degree in civil engineering from Rensselaer Polytechnic Institute (RPI) in 1962;

Since the beginning of the ACI Shotcrete Nozzleman Certification program in 2001, a number of Examiners have encountered owners or nozzlemen requesting use of equipment and nozzle setups meant for low-volume/lowvelocity application

It?s been over a decade since the inception of the ACI Shotcrete Nozzleman certification programs, which many individuals within the American Shotcrete Association (ASA) and the American Concrete Institute (ACI) worked extremely hard to create

The statements contained herein are a consolidation of approved policies and procedures.

Those of us who have been involved in the installation of dry-process shotcrete have at some point experienced problems with static electricity.

One of the greatest advantages of using shotcrete is that shotcrete can be placed on vertical and overhead surfaces without the need for forming.

Air-entraining admixtures are added to shotcrete primarily for durability considerations.

When someone does something a certain way long enough, it often becomes the way it is done?whether proper or not.

This article is a true account of an accident that resulted in an injury to a worker.