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Massachusetts’ Oldest Movable Steel Truss Bridge Marks 10-Year Anniversary of Nation’s Largest Six-Span FRP Composite Vehicle Deck

Civil + Structural Engineer

The 140-year-old steel truss structure connects West Newbury, Merrimac and Haverhill residents as well as several Southern New Hampshire towns, making it one of Massachusetts’ most heavily travelled bridges. “It A typical concrete deck weighs 100 pounds per square foot, creating a deadload a historic steel truss span can’t tolerate.

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Setting a higher standard for flush-frame connections

Construction Specifier

Steel joists with flush-frame connections offer up to 35 percent weight savings compared to wide-flange beams, while providing equivalent floor stiffness and vibration performance. These standards for flush-frame end connections reduce design time, accelerate joist and girder fabrication, and streamline erection.

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Setting a higher standard for flush-frame connections

Construction Specifier

Steel joists with flush-frame connections offer up to 35 percent weight savings compared to wide-flange beams while providing equivalent floor stiffness and vibration performance. These standards for flush-frame end connections reduce design time, accelerate joist and girder fabrication, and streamline erection.

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Adventures in Renovation: The Historic Courthouse and the Stair and Elevator Tower Conundrum

Civil + Structural Engineer

In the case of the Theodore Levin US Courthouse, however, the existing building occupies an entire city block and the upper floors are arranged in a “donut” shape with offices and courtrooms surrounding an interior light court. What worked well for the upper floors to minimize disruption became challenging on the interior of the building.

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Harvard University’s new building features hydroformed facade for energy efficiency

Construction Specifier

Harvard University Science and Engineering Complex (SEC) in Boston, Massachusetts, uses a specially designed hydroformed tensile facade system made of stainless steel to maximize energy efficiency and provide occupant comfort. The facade’s stainless-steel material is both delicate and lightweight, mimicking the qualities of fabric.

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Offsite vs. Onsite Construction Part 2

Civil + Structural Engineer

The benefits of offsite construction, which comprises the manufacturing, planning, design, fabrication, and assembly of building elements offsite are expansive. The panel of experts below, representing the construction, engineering, and building systems industries, explore and explain the many benefits of this alternative construction method.

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Maryland college’s arts center celebrates act of ‘making’ through design

Construction Specifier

The structural system, a legible “kit of parts,” connects the building’s interior and exterior, providing a dynamic environment for current and future generations of artists and designers. Visible to passersby, the first-floor exhibition hall displays public lectures, student and alumni exhibits, and community entrepreneur sessions.