Hill & Griffith

Share

Hill & Griffith

 •  September 21

New Technical Representatives and Mike Lawry's appointment to Vice President of Sales and Operations Dear customers and friends of The Hill and Griffith Company, It's been a busy year here at The Hill and Griffith Company. We've had a successful foundry & precast concrete events and just finished up the die casting show this week. Here are some new...

Hill & Griffith

 •  September 18

New Technical Representatives and Mike Lawry's appointment to Vice President of Sales and Operations Dear customers and friends of The Hill and Griffith Company, It's been a busy year here at The Hill and Griffith Company. We've had successful foundry and concrete industry shows and you'll find us this week at the North American Die Casting...

Hill & Griffith

 •  September 14

Total precast concrete buildings are becoming a popular choice for many construction projects. Architectural and structural precast, prestressed concrete components can be combined to create the entire building. This design approach can take several forms, including precast columns and beams with panelized cladding or load-bearing precast walls and...

Hill & Griffith

 •  September 13

NADCA Congress Session Spotlight - Tim Cowell, Technical Director at The Hill and Griffith Company to present at the Die Casting Congress & Tabletop In the weeks leading up to the 2017 Die Casting Congress & Tabletop NADCA highlights information on papers that will be presented during the congress sessions. The following paper is scheduled to be...

Hill & Griffith

 •  September 7

Sounds like a wild idea but recent research by MIT indicates it may be a solution to keeping the mushroom pores alive until they are needed to repair micro cracks in concrete. "Mushroom concrete release agent" is just our concept solution since MIT's research showed that the mushroom pores are killed by being mixed in the concrete. Here's the...

Hill & Griffith

 •  August 29

"When we think of infrastructure we think not only of built infrastructure such as roads, but also bridges, drinking water, wastewater and storm water systems, and social infrastructure such as schools, hospitals and libraries. It is well understood that the country’s infrastructure is aging. Much of the highway and water and sewer systems was...

Hill & Griffith

 •  August 24

This report is a series of bond pull-out tests to assess the effect of contaminants on bond strength. How clean must rebar be? The results may surprise most inspectors. Without such data, most inspectors take a conservative approach by requiring removal of such materials from rebar. But removing contaminants is time-consuming, and if construction...

Hill & Griffith

 •  July 27

This July 10, 2017, article in PRECAST, INC. "Bond, Reinforcement Bond" concludes with more on the chemistry and physics of form oil and rebar (reinforcing bar) preparation.
"FORM OIL
Like rust, the question of how much detrimental effect form oil has on reinforcing bars is now the subject of research. The current code provisions within ACI 301,...

Hill & Griffith

 •  July 20

"Release agent is then applied to the form in a thin layer. This helps the concrete release from the metal during product stripping." From their YouTube page, "A short video showing how Barger And Sons manufactures our precast concrete box culvert. Barger And Sons disciplined operations yield the same high quality results time after time after...

Hill & Griffith

 •  July 12

No. A common misunderstanding in the concrete industry is clarified in this review of an article from ForConstructionPros.com. Question: On several of our most recent projects, the inspector has been complicating our pour schedule when finding form oil over-sprayed on the rebar. Is it our misunderstanding that form oil on rebar shouldn’t pose a...