Storrow Drive, a parkway along the Charles River in Boston, carries more than 100,000 vehicles per day. The tunnels provide access to city streets, and are constructed of reinforced concrete sections with concrete-slab...
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 operators...
The Hampden County Courthouse was designed by Henry Hobson Richardson and is listed on the National Register of Historic Places. Constructed in 1871, the courthouse features a thick-walled, gneiss stone facade. SGH assessed the condition of the...
The Central Artery/Tunnel (CA/T) Project relocated Boston’s elevated Central Artery below ground. The CA/T tunnel walls used soldier pile tremie concrete (SPTC) slurry walls as a component of the final structure. During later stages of...
Fountain View on the Plaza in Kansas City includes two parking garages, Garage A and Garage B constructed in 1999. Garage A accommodates 406 cars and Garage B accommodates 248 cars. The garages are free-standing, four...
San Quentin Prison sits on Point San Quentin bounded by the San Francisco Bay. The site is laterally supported on the bay boundaries by the precast concrete seawall that was constructed in 2002. SGH investigated cracking and spalling of the over...
Warren Hall is a classroom and administrative building on the Agriculture Quad. The original building was constructed in the 1930s, and an extension was added in the 1950s. Both buildings are constructed with mass masonry...
Building 19 is part of Springfield Technical Community College, which is located on the Springfield Armory National Historic Site. Building 19 had remained unoccupied for years and, as a result, had deteriorated. SGH assessed the condition of the...
Fiber Reinforced Polymer (FRP) composite lining systems are used by major municipalities throughout the United States to structurally rehabilitate and upgrade large diameter pipelines. For internal Carbon Fiber Reinforced Polymer (CFRP)
Arizona Public Service Company’s Cholla Power Plant has four units with circulating water lines made of 66 in. to 72 in. diameter prestressed concrete cylinder pipe (PCCP) in Units 2, 3, and 4. PCCP in these three units has been in
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,...
SGH's Scott A. Tomlinson, Erik W. Farrington, and Makoto S. Weinstein recently published an article in Civil + Structural Engineer Magazine. The article titled, “Build Strong Guards: Part 2,” is a follow up to...
The Association for Preservation Technology Northeast Chapter (APTNE) held their 2015 Annual Symposium in New York on 6 February 2015. At this symposium, Nathaniel B. Smith and Milan Vatovec gave a presentation titled, “Wood for...
On 14 January, WoodWorks Wood Products Council presented a webinar titled “Durable Design: Lessons from Historic Wood Structures,” featuring SGH's Matthew B. Bronski. The webinar had almost 1,000 attendees, which is one of...
Abstract: New England is home to many iconic and historic bridges. Within the Boston area, many well-known historic bridges cross the Charles River connecting Boston to Cambridge. Typically, these bridges have a distinctive masonry component...
By: McReynolds, Michael, Sleeper, Bill, Mehdi Zarghamee, Pridmore, Anna
Abstract: Metropolitan Water District of Southern California (MWD) was one of the first agencies to adopt the use of Carbon Fiber Reinforced Polymer (CFRP) as a method to repair distressed Prestressed Concrete Cylinder Pipe (PCCP) starting in the...
Abstract: Repairing failed materials in building enclosures is often difficult and expensive. Take the example of walls, which require exterior access, removal of materials, and replacement of cladding. Below-grade, blindside waterproofing repair...