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Concrete Casting News from the Hill and Griffith Company

Precast Concrete Advancements - Pavement - Technology

Posted by Hill and Griffith Company on Aug 3, 2017 5:11:04 PM

Bill Palmer, the editor of CONCRETE CONSTRUCTION Magazine, shares precast concrete advancements from his presentation in Brazil, "What's new in North America."

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Precast Concrete Pavement

  • Competitive with slipformed concrete paving for repairs and now new construction
  • Higher quality
  • Faster construction
  • Easy repairs

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Technology

Building Information Modeling (BIM)

  • Starts with 3D model but adds metadata
  • Great for use in estimating, clash detection
  • Layout points can be loaded to robotic total station making on-site layout simple
  • Creates accurate as-built model for owner

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Telematics

  • Provides data on trucks, equipment, and operators
  • Optimization of routes for drivers
  • Utilization data on equipment allows better decisions
  • Complete data on concrete batches
  • Adapted to tracking hand and power tools

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Robotics

  • Difficult to adapt to construction projects
  • Exoskeletons
  • SAM—robotic bricklayer

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Prefabrication/Hybrid Construction

  • Using more precast parts in cast-in-place
  • Concrete cores with steel frames
  • Concrete cores with wood frames
Ground-Penetrating Radar
  • Ability to see through concrete
  • Confirm location and size of rebar and embeds
  • Locate embedded items prior to repair or remodeling projects

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3D Printing Construction

  • Additive technology
  • Approaching reality for specific types of construction—especially precast
  • Small buildings can be built

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(Thanks to Bill Palmer for keeping us up to date. We appreciated the chance to help him prepare for his presentation. In exchange, he sent us a copy. Get the full presenation.)

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Bill Palmer is editorial director of Hanley Wood’s Commercial Construction Group, which includes digital and print versions of Concrete Construction, Concrete Surfaces, The Concrete Producer, Public Works, and Masonry Construction. Previously, he worked for the American Concrete Institute for 10 years as engineering editor and director of educational programs and was the executive director of the American Society of Concrete Contractors (ASCC) and of The Masonry Society. He has been the editor in chief of Concrete Construction for 16 years. Bill is a Fellow of the American Concrete Institute and is a licensed professional engineer in Michigan and Colorado. He lives in Lyons, Colorado and can be reached at wpalmer@hanleywood.com. Follow on twitter @WmPalmer.


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