Page 4

2015FallShotcreteEMag

ASA President’s Message Conventional? By Marcus H. von der Hofen I was reviewing a job the other day that was interested in breaking new ground. Every time we attempt an absolutely perfect application for shot- to separate shotcrete (pneumatically placed concrete) from crete. When I contacted the engineer, he cast-in-place concrete, I’m not sure we are helping ourselves. immediately said he didn’t want gunite, We call cast-in-place the “conventional” method of he wanted concrete. As I started to explain placement and shotcrete “unconventional.” Why? Is it more that I would be placing ready mixed con- conventional to place pool walls with two-sided forms? Is it crete using the shotcrete method, I could more conventional to repair the underside of a deck with tell that I wasn’t going to convince him that form and pump? A skateboard park? A tunnel arch? Seismic “Shotcrete is Concrete.” shear wall? Soil nail wall? Basement wall? Structural I thought to myself, how could it be in this day and age, concrete has been placed by the “shotcrete method” in these that an engineer of a large firm would have this position? situations every day for decades. The fact is that the majority Unfortunately, the truth is that he is not in the minority, but of the aforementioned situations, and many others, use very much in the majority when it comes to understanding shotcrete as the “conventional method.” shotcrete. Shotcrete, in many eyes, is a material—not a method ASA is looking forward to producing literature that can be of placing concrete. This is a completely understandable used by college professors to add basic information about position, as a great deal of industry leaders have promoted shotcrete to their existing concrete curriculum. We have a lot that shotcreting can enhance properties, create superior in- of work ahead of us to get this into production, along with many place material, and is better than cast-in-place concrete. This other educational materials. We need your help at the committee may be accurate, but is it what an engineer is really looking level to get this done. It’s high time the future engineer, owner, for most of the time? They are looking for “industry and architect is “taught” that shotcrete is a proven conventional standard,” “as-specified,” and “conventional.” They are not method instead of having to learn it on their own. Shotcrete So Why Choose Shotcrete?Speed is Concrete Creativity Versatility Cost Savings Visit www.Shotcrete.org Sustainability Education and Certification Technical Questions and Answers Online Project Bid Submittal Specifier Resources Buyers Guide Onsite Seminars 2 Shotcrete • Fall 2015


2015FallShotcreteEMag
To see the actual publication please follow the link above