With bedrock more than 200 ft below street level, the fifty-eight-story Millennium Tower, like most downtown high-rises, is founded on piles driven through soft, compressible clay soils deposited by the San Francisco Bay and extending into a...
The Homestead Hills development comprises 178 one- and two-story, wood-framed homes constructed between 2005 and 2010. Shortly after construction, homeowners reported cracked drywall, displaced concrete flatwork, and deflected and damaged...
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...
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...
During the 2008 excavation for the new North Tower, the adjacent five-story, brick masonry building (Building 3) suddenly settled about 1.5 in. This movement caused significant damage to Building 3, which was supported on shallow...
Building NW21 at the Massachusetts Institute of Technology (MIT) was constructed in the early 1900s and now houses the Plasma Science and Fusion Center. The center, which is a vital part of the university, performs roughly $30 million in...
Due to lowered groundwater levels in Boston's Back Bay area, as a result of underground construction, leaking utility lines, and leaking basements, several area buildings have been affected by severe deterioration of the timber piles that support...
The six-story, steel-moment framed building at 303 Congress Street was constructed in 1983. The building was two bays wide parallel to Congress Street and eight bays wide parallel to the water. Deep precast concrete pile foundations on the water...
Excavation and heavy civil construction in urban environments directly impact abutters and existing adjacent structures. Noise and dust create nuisance concerns, while demolition, excavation and dewatering can cause earth movement and structural...
New construction in metropolitan areas has direct impacts on immediate neighbors and abutters. While noise and dust are generally nuisance concerns, demolition, vibrations, excavation, and dewatering can cause structural damage to...
Abstract: A low-rise high school building constructed on the site of an existing construction debris landfill included initial site preparation using Deep Dynamic Compaction (DDC) to mitigate potential future settlement of the building's...
Abstract: Wood-destroying fungi are the predominant damaging biodeterioration agents affecting the performance of untreated wood piles supporting historic buildings today. At the end of the 19th and beginning of the 20th centuries, when this type...