April 6, 2017

Using ACI 562 to Determine the Strengthening Requirements of a 42nd Story Rooftop Sundeck

By: Jared Brewe

After years of wear and neglect, a 42nd Story rooftop sundeck was so badly deteriorated the building occupants no longer utilized the space. During the sundeck rehabilitation, the condominium association elected to change the finishes, which...

Services:Structural Rehabilitation
Keywords:Code Compliance
April 6, 2017

Experimental Investigation of Deconstructable Steel-Concrete Shear Connections in Sustainable Composite Beams

By: Mark Webster, Jerome Hajjar, Lizhong Wang

A new deconstructable composite floor system, which consists of precast concrete planks and deconstructable clamping connections, is proposed to promote sustainable design of composite flooring systems in steel buildings and reuse of the...

Services:Structural Design
Keywords:Concrete-Precast, Flooring, Green / Sustainable Design
April 6, 2017

Integrated Design Building at UMASS Amherst: A large scale CLT building case study

By: Jeffrey Langlois, Greggrey Cohen

 The Integrated Design Building (IDB) at the University of Massachusetts Amherst will be the first, large-scale, mass timber building in the Northeastern U.S. when completed. At four stories and 87,000 sf, the building will provide offices,...

Services:Structural Design
Markets:Education - College & Prep
Keywords:Green / Sustainable Design, Heavy Timber
March 30, 2017

The Best Fixes

By: John Porter, Nathan Boutin

Parking structures are an integral element in our daily lives that create an interchange between our homes, our destinations, and our built environment. These structures are often incorporated into buildings, integrated into the surrounding...

Services:Structural Rehabilitation
Markets:Parking
Keywords:Concrete Rehabilitation, Parking Structure
March 7, 2017

Performance of Ledges in Inverted-T Beams

By: Nancy Varney, David B. Garber, Eulalio Fernández Gómez, Oguzhan Bayrak

Researchers have not extensively studied the behavior of inverted-T (IT) beams experiencing ledge failures. The work described in this paper aims to fill that gap in knowledge by providing data from tests conducted on full-scale IT beams. To the...

Services:Structural Investigation
Keywords:Concrete, Failure Investigation
March 6, 2017

The Case of the Car Dealership Floor Failure

By: Emily Hopps, Peter Nelson

CoatingsPro magazine recently published a case study in its January 2017 issue authored by Simpson Gumpertz & Heger (SGH) senior staff members. In “The Case of the Car Dealership Floor Failure,” Associate Principal...

Services:Building Enclosure Investigation, Materials Investigation
Keywords:Flooring, Flooring and Coatings
March 1, 2017

Divine Design: Renovating and Preserving Historic Houses of Worship, Part IV

By: Nathaniel Smith, Milan Vatovec

This series of articles discusses a number of commonly encountered structural issues on renovation and restoration projects that focus on historic houses of worship, and provides guidance on ways to address them. Parts one, two, and three of this...

Services:Structural Rehabilitation
Keywords:Historic, Preservation Technology
March 1, 2017

Divine Design: Renovating and Preserving Historic Houses of Worship, Part II

By: Nathaniel Smith, Milan Vatovec

This series of articles discusses some of the commonly encountered structural issues with renovation projects focusing on historic buildings of this type, and provides guidance on ways to address them. Part two of this series focuses on wall...

Services:Structural Rehabilitation
Keywords:Historic, Preservation Technology , Walls
February 13, 2017

Direct Relationship Between Transients and Wire Breaks

By: Rasko Ojdrovic

This webinar addressed the issue that transient activity within water pipelines causes wire breaks in pre-stressed concrete cylinder pipelines (PCCP). The webinar also discussed how the cause of the transients can be determined and how, by...

Services:Structural Rehabilitation
Markets:Water/Wastewater
Keywords:PCCP, Pipeline
February 8, 2017

Hygrothermal Documentation of Vanishing Structures

By: Christopher Decareau

One way historic structures vanish is through the degradation of materials from heat, air and moisture attack. Whether your historic structure is abandoned, currently occupied or in planning stages of adaptive reuse, hygrothermal analysis...

Services:Building Enclosure Rehabilitation
Keywords:Historic, Masonry, Wood

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