03 00 00 Concrete

Category Archives: 03 00 00 Concrete

Designing Plaza Hardscapes: Considerations from insulation and waterproofing to structural support

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Plaza construction typically incorporates various products from different manufacturers intended to provide the thermal resistance, water management, structural capacity, and wearing surface needed to meet a particular project’s requirements. This article discusses the importance of evaluating the strength and stiffness characteristics of a plaza system, particularly when heavy loading is anticipated. Designs that do not properly account for overall system strength and stiffness are vulnerable to damage, potentially resulting in cracking and displacement of the hardscape materials, reduction of drainage capacity, and reduced service life of the plaza.

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G8WAY DC: Innovative UHPC Elements

Photo © Vic Tucker

Ultra-high performance concrete (UHPC) provides strength, ductility, durability, and aesthetic design flexibility while still being highly moldable and able to replicate texture, form, and shape. It is this combination of superior properties that also provides architects and engineers with a new kind of freedom—to design unique, unprecedented UHPC architectural elements that are also sustainable and extremely durable.

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Introducing G8WAY DC: Ultra-high performance concrete has it covered

Photos courtesy Davis Brody Bond

G8WAY DC is a new open-air, multi-use facility that demonstrates that precast ultra-high performance concrete (UHPC) is a suitable material choice for challenging architectural elements that require attributes ranging from light weight and imperviousness to complex shapes. Providing shelter below and a large, landscaped seating area above, the pavilion’s sculpture-like UHPC roof transcends this utilitarian facility into an artistic statement.

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Specifying the Right Grout for the Job

Specifiers typically select the grout for their tile project based on general performance characteristics, color, warranty, and cost. Despite this, less-than-optimal products are often used. Some do not fully understand the changes in grout technology and do not realize they have a choice. Not all grout is the same, and, of course, color is only one small factor in the overall performance.

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Better Concrete Starting at the Finish: Long-term benefits of colloidal silica-based finishing

Images courtesy Lythic Solutions

Recently, concrete contractors have started using a colloidal silica-based compound as a finishing (or ‘troweling’) aid for flatwork. It makes the surface denser, and increases the quality of cement paste. Additives in the compound help the surface slow evaporation though hydrophobic properties, protecting the concrete from a range of moisture loss-related defects. It also makes it unnecessary for contractors to add water to finish the concrete. The result has implications for buildings, pavements, roadways, bridges, and even precast structural and architectural concrete.

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Protecting Infrastructure from Major Floods

Initiatives to protect important data servers from major damage too often occur after the event has finished its destruction. By implementing long-term waterproofing solutions (including concrete walls around sensitive space) to key areas, infrastructure can withstand high water exposure caused by massive flooding. This article examines waterproofing and dampproofing admixtures, among other techniques.

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