MasterFormat

Category Archives: MasterFormat

Specifying Broomed Exterior Concrete Surfaces

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As a safety requirement, all exterior concrete surfaces must have a slip-resistant surface. The most common method for this is specifying a ‘broom finish.’ But, is that all there is to it? Specifications must also satisfy owner requirements for appearance, flatness, texture, as well as drainage.

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Richardsville Elementary – NET ZERO

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September 2010 marked the grand opening for Richardsville Elementary, the First Net-Zero Insulated Concrete Form School in the U.S. Warren County School district, the school board responsible for Richardsville, has been building energy efficient schools that are being recognized for their innovation across the United States.

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Specifying Custom Curtain Walls

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Custom curtain wall assemblies provide an excellent way to create a true architectural signature on a building. These systems are most often used to make a key statement at the entrance or podium level, and to convey the design language of the building. The ‘investment’ made in them is as much about the firm’s design reputation, as it is about actual project budget.

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Designing All-wood Podiums

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Wood ‘podium’ construction takes an age-old material and moves it into the 21st century. Structures retain sought-after features—beauty, familiarity, and carbon sequestration—while soaring to greater heights and achieving sometimes dramatic cost savings.

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Using UHPC to improve box-beam bridge performance

Pouring ultra-high-performance concrete (UHPC) for longitudinal joints—the material could offer new benefits in box-beam bridge design and construction. Images courtesy Ohio University’s Russ College of Engineering and Technology

Out of the many types of bridges used across the country, adjacent prestressed, concrete box-beams have become popular for short and medium spans. Since these bridges are cost-effective, fast to construct, and easy to design, they are preferred by many state and local agencies. Currently used in about two-thirds of the country, many of these bridges are now approaching the end of their life span. Ultra-high-performance concrete (UHPC) could offer game-changing advances for this type of structure.

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Specifying Structural Framing Systems

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Many factors come into play when designers specify structural framing. There are so many criteria, sometimes there is no absolute answer as to which framing system would perform best. At the same time, the interests of various parties must be served, meaning the final selection does not always rest with the structural engineer.

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