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Smart structural glazing helps connect David Tepper School of Business

Smart structural glazing helps connect David Tepper School of Business

The centrepiece of the 295,000 sq. ft. David Tepper School of Business is its atrium lobby, which proudly bears a 51-foot-tall wall of Pilkington Planar™ glazing positioned above the entrance.

The David Tepper School of Business sits right at the heart of the university’s campus in Pittsburgh, Pennsylvania and aims to facilitate collaboration with academics from across the whole institution, bringing together disciplines that are often kept separate.

The natural light that floods through the Planar™ wall into the multi-level interior provides the perfect environment for any occasion, whether they be large meetings or casual catch-ups.

The wall of glass is supported by laminated fins that are suspended from a steel truss structure at roof level.

The architect’s initial plan for the construction was to use two free-span vertical steel trusses and horizontal steel beams with stainless steel tension rods connected to the front to help support the weight and transfer wind load deflection. But engineers at the glazing designer W&W Glass advised that transparent fins could be used, both removing visual interruptions from the surface and helping to reduce costs.

This is possible thanks to the strength of the Planar™ l SentryGlas® System laminated glass that was used in the fins, as well as the capabilities of the Pilkington Planar™ 905 series heavy duty fittings that hold the system in place.

The clear façade glass is made of large toughened glass units that offer both low-emissivity (low-e) insulation and solar control in-order-to help control the climate in the building and help to reduce the reliance on heating and air-conditioning. The 10ft by wide 7ft 5in units are made of Pilkington Suncool™ 66/33 T and are held in place with heavy-duty stainless-steel countersunk bolts, anchoring them to the supporting glass fins.

In addition to the main atrium glass fin wall, the lower entrance below utilised point-supported structural glazing as well off of cantilevered, painted steel plate beam blades to allow for expansive 13ft 4in tall structural glass panels at the ground floor with only one row of mid-clip fittings.

The fact that the significant weight of the glass is supported by a steel truss that spans the space added complexity to the installation, as it needed to be pre-loaded to avoid any deflection once the units were in place – something that could have compromised the build.

This was achieved using temporary tension cables that simulated the weight each part of the structure would hold, both in terms of the structural glazing and the steel roof beams which support the roof glazing.

These tensioned cables were removed one-by-one throughout the process as the glass was installed so that the position of the supporting structure remained fixed.

Phil Savage, commercial contracts sales manager at Pilkington United Kingdom Limited said: “Our structural glazing system offers great possibilities to architects and structural engineers, and this building is one of the best examples we’ve seen of that potential being realised. We’re enormously proud that our product has been selected as the ‘front door’ to this world-class university.”

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Pilkington United Kingdom Limited

Pilkington United Kingdom Limited

As part of the NSG Group, Pilkington is one of the most trusted and recognised brands in glass across the world.

For nearly 200 years, we’ve been a world leader in the manufacture of glass and glazing solutions.

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 European Technical Centre, Hall Lane, Lathom, Nr Ormskirk, Lancashire, L40 5UF

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