More stories about Joints

  • Panama Airport Expansion

    Airport project included expanding the passenger terminal by 224,200 square feet, and updating boarding bridges, escalators, baggage processing, and flight control systems.

  • Discussing Joint-Free Floor Slabs at World of Concrete

    Joints in industrial floors are the single most common reason for failure. At the Concrete Slabs Luncheon at World of Concrete, we learned about a few approaches to building floors with much wider joint spacing.

  • Roller-Compacted Concrete: Then and Now

    RCC materials, equipment, and construction techniques have changed little over the past 28 years, accoring to contractor Terry Peltz.

  • Concrete Pavement Preservation

    A Colorado county uses low-cost techniques to rehabilitate aging roads.

  • Algae in Mix Water Can Affect Air, Strength

    We recently supplied a house slab where the bleedwater had a greenish tint. We discovered that the water retention pond we used for water collection had green algae that had formed on the surface and was used for concrete production. The concrete met and gained strength normally, however. Is there...

  • Cures for paver efflorescence

    We manufacture concrete pavers and are experiencing a severe efflorescence problem. Can we reduce efflorescence by using admixtures such as plasticizers or pozzolans? Or should we use silicone-type water repellents or film-forming sealers on the finished product?