Other stories by Ted Worthington

  • Internal Vibrators: Sidebar

    More information on the Hood Canal Floating Bridge.

  • Angle Grinders

    Although angle grinders were not initially designed with concrete in mind, concrete contractors have found plenty of use for them. In fact, angle grinders are one of the most versatile tools in the concrete contractor's arsenal.

  • Internal Vibrators

    Vibrators consolidate freshly placed concrete by helping entrapped air to escape.

  • Screeds

    The word “screed” comes from the Middle English word shred, as in a long strip or piece of wood. In England, a screed is used to measure the thickness of plaster or finishing layer of mortar over concrete.

  • Connections for engineered forming systems

    Manufacturers of engineered form systems have focused their efforts on making their systems faster and easier to use.

  • Water-Based Release Agents

    Chemically active form release agents have been the standard in forming concrete for years. Usually, a petroleum-based substance (such as kerosene or mineral spirits) serves as a carrier for the active ingredients. However, rising oil costs and increased environmental concerns are two reasons you...

  • Hydraulic Cranes

    Hydraulic cranes—whether referring to rough-terrain (RT), all-terrain (AT), or truck cranes, and the knuckleboom or telescoping boom variety—provide a wide range of capacities for almost any lifting job.

  • Trailer Pumps

    The trailer-mounted concrete pump is a common item found on job-sites. Although often overlooked, this piece of equipment can be critical in getting the job done right. But, not all trailer pumps are created equal.

  • Materials Selection Guide: Water-Reducing Admixtures

    Water-reducing and set-controlling admixtures represent one of the more important groups of chemical admixtures used in concrete. These admixtures reduce the water requirement of a concrete mixture for a given slump or increase the slump for a given water content.

  • Materials Selection Guide: Special Purpose Aggregates

    Broadcast onto the surface, aggregate can give concrete unique characteristics.