Pile integrity test are an important part of any deep foundations project. For this special maring foundations issue, writer Colleen Birchwood explores the methods used on marine projects for both driven and drilled piles ...
Working for Soilmec has given Marco Chiarabelli a unique opportunity to see much of the world – and he believes he’s a better businessman because of it
By Mark Halsall
Marco Chiarabelli is a top executive for Soilmec Drilling and Foundation Equipment, a major supplier of drilling rigs and equipment for deep foundation projects the world over.
A new method for non-destructive integrity testing of drilled shafts and micropiles using hallow rebars
By Horst Aschenbroich, Dipl Ing., Con-Tech Systems
Due to the possible de-bonding problem of smooth entry tubes with concrete for crosshole sonic logging (CSL) in many drilled shaft projects, test results can be wrongly interpreted. Unnecessary and costly remedial work is often conducted. The Hollow Bar system, originally introduced by Con-Tech Systems in North America, for grout injection bored IBO, soil nails and micropiles, turned out to be an ideal hollow rebar solution to solve the de-bonding problem. As an additional bonus, tests have shown that replacing standard rebars with the hollow bars used for CSL will produce a much more rigid and stiffer rebar cage, making handling and placing into the drilled hole faster and safer.
As the third generation of Sagers join Jeffrey Machine, current owner Jeffrey Sager looks back on a career that started with his father Frank
By Christine Fournier
In 1977, Frank Sager opened the doors to Jeffrey Machine (named for his son and current owner Jeffrey Sager) as a small machine, tool and die shop in Birmingham, Ala. Frank, a machinist and metal fabricator with many years of experience, created tools to the exact design request of his customers. Jeffrey joined the family business in 1986. He learned his dad’s trade and began working primarily with augers shortly after; first repairing them and later rebuilding them, often resulting in a better tool than the original. It was a natural progression to fill the auger market demand and to begin manufacturing better tools to hold up to Alabama’s limestone and rocky soil.
How non-destructive testing can enhance the art and engineering of bridge inspection
By Hamed Layssi, P.Eng., PhD, FPrimeC Solutions Inc.
The collapse of Nanfang’ao Bridge in Taiwan, China (October 2019),1 and Ponte Morandi in Genoa, Italy (August 2018),2 have raised concerns about the safety and reliability of existing bridge structures around the globe. An extensive number of bridge structures in North America are in poor structural condition. According to the National Research Council Canada, one-third of Canada’s highway bridges have some structural or functional deficiencies and a short remaining service life.
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Piling Canada is the premier national voice for the Canadian deep foundation construction industry. Each issue is dedicated to providing readers with current and informative editorial, including project updates, company profiles, technological advancements, safety news, environmental information, HR advice, pertinent legal issues and more.
