St. Ambrose University undertook its largest capital project in the university’s 135-year history by constructing a new, 80,000 sq ft wellness and recreation center. The project—including a new fieldhouse, exercise areas, dance...
The Cleveland Museum of Art wanted to replace its deteriorating maintenance facility with a new one more suitable for the location adjacent to the main museum entrance. During the conceptual design phase, SGH collaborated with Sasaki Associates...
The five-story building at 135 Franklin Street experienced damage due to settlement. Over the years, the owner undertook repairs at the elevator pit and central corridors and needed to address problems at a basement condominium. SGH investigated...
Established in 1809, The Basilica of St. Patrick’s Old Cathedral is the oldest cathedral in the city and the entire complex is listed on the National Register of Historic Places. Due to the basilica’s historical significance and its...
Lynn Classical High School is a one- to three-story structure built on construction debris fill. Shortly after construction, staff observed water leakage and significant damage due to settlement of the structure. SGH investigated the causes of...
AREVA sought to build a uranium enrichment plant with six separation building modules (SBM), each to be supported on base isolators and located on either side of a central special moment resistance frame (SMRF) equipment hallway structure. ...
The Massachusetts Bay Transportation Authority (MBTA) uses the Quincy Bus Garage to repair, maintain, and store many buses that they own and operate. The building includes three garage bays, offices, and locker facilities for the bus...
Portions of the Hynes Convention Center (Hynes) are located directly over I-90, the Massachusetts Turnpike. A fifty-year-old, cast-in-place concrete slab suspended from the underside of the Hynes served as the ceiling for the western...
Several logistical challenges complicated the design and construction of a radar facility that comprises a tower and an equipment support building at a remote U.S. air base 900 mi inside the Arctic Circle. SGH worked closely with Raytheon,...
The Terminal E Ticketing Concourse is an open space approximately 75 ft wide and 625 ft long. The floor structure is a lightweight slab on composite metal decking and includes a concrete overlay with an epoxy terrazzo floor surface. ...
Slab design and preparation is critical to a project’s success and requires close attention to both structural and waterproofing concerns during the design process. It is important to understand how different types of concrete slabs are applied to help project teams design and construct the right type of slab for long-term performance.
On 29 September, Gustavo Tumialan and Jared Brewe gave presentations as part of a six-part webinar series presented by the American Concrete Institute (ACI). The series, “Guide to ACI 562-16 Repair Code: Design Examples,” reviewed the...
Kirk M. Stauffer and Kevin C. Poulin published an article titled, “Repair of Draped Mesh Slabs,” in the January/February 2015 issue of Concrete Repair Bulletin. In the article, Kirk and Kevin discuss the history, prevalence,...
Abstract: The Hynes Convention Center is located in the heart of Boston’s historic Back Bay neighborhood. Portions of the Hynes are located directly over I-90, the Massachusetts Turnpike. A 50-year-old cast-in-place concrete slab, suspended...
By: Robert Holland, Kurtis, Kimberly E., Moser, Robert D., Kahn, Lawrence F., Aguayo, Fred, Singh, Preet M.
Abstract: The article presents a forensic investigation of precast prestressed concrete piles removed from the I-95 Turtle River Bridge, near Brunswick, GA. The piles exhibited extensive damage that led to the discovery of unexpected threats to...
Abstract: Everyone knows that substrate conditions and preparation are the keys to successful coating installations. When it comes to floor coatings on concrete slabs, moisture is always at the top of the concerns to be evaluated and addressed as...
Hosted by Chapman Construction, SGH's Emily Hopps recently gave a presentation on flooring failures. Multiple failures of many different floor finishes applied to concrete floor slabs have become more common over the past several...
By: Kevin Moore, Fennell, William A., Mochizuki, Gary L., Pryor, Steven E., Laurin, Geoffrey A.
Abstract: When designing multi-story light-frame structures (i.e. wood or metal stud structures) over concrete podiums, lateral loads from the structure above the podium will produce large tensile forces in the overturning restraints. Tensile...
Abstract: Many commercial and institutional buildings are designed for urban settings that have constrained sites where service areas are exposed to weather or wash-down are located over occupied spaces below. The design of the wearing surface...