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ACRS Endorses SGH-Developed Analytical Methodology and Monitoring Program

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View 147 profiled projects

Summer Star Wildlife Sanctuary

Summer Star Wildlife Sanctuary

Boylston, MA
Project Contacts: Erik Farrington, Pedro Sifre

As a gateway to the expansive forty-five acre sanctuary, the Trailhead House offers visitors an opportunity to learn about the area’s woodlands and wildlife.  Given the sanctuary’s focus on preserving the natural environment, the...

Services:Building Enclosure Design, Structural Design
Markets:Cultural
Keywords:Award Winning, BIM, Concrete, Green / Sustainable Design, LEED Projects, Metal-Steel, Revit/BIM, Wood
Seabrook Station Nuclear Power Plant

Seabrook Station Nuclear Power Plant

Seabrook, NH
Project Contacts: Jesse Beaver, Said Bolourchi, Matthew Sherman

The discovery of alkali-silica reaction (ASR) in concrete structures at the Seabrook Station Nuclear Power Plant (Seabrook) was first documented case of ASR at any U.S. nuclear facility. The Nuclear Regulatory Commission (NRC) required Seabrook...

Services:Materials Investigation, Structural Investigation
Markets:Nuclear
Keywords:Concrete, Cracking, Field Testing, Laboratory Testing and Analysis, Nondestructive Testing, Petrography
Boston Harbor Islands Pavilion

Boston Harbor Islands Pavilion

Boston, MA
Project Contacts: Matthew Johnson, Paul Kassabian

The Boston Harbor Island Alliance and the National Park Service wanted the first permanent structure on the Rose Kennedy Greenway to act as a beacon, attracting people to Boston’s Harbor Islands. In collaboration with Utile, SGH designed...

Services:Structural Design
Markets:Cultural
Keywords:Award Winning, Concrete, Construction Consulting, Exhibitions/Park Pavilions, Metal, Metal-Steel, Mockup, Renewable Energy: Photovoltaics
Nemours Children's Hospital Orlando

Nemours Children's Hospital

Orlando, FL
Project Contacts: Michael Bolduc, John Thomsen, Joseph Zona

The Nemours Children’s Hospital includes four buildings on a 60-acre campus. The two seven-story, cast-in-place concrete hospital and clinic buildings and two steel-framed, two-story structures for the central energy plant and loading dock/...

Services:Building Enclosure Design, Structural Design
Markets:Health Care
Keywords:Below-Ground Waterproofing, Building Enclosure Commissioning, Concrete, New Construction, Green / Sustainable Design, Green Roofs, Ground (Soil) Improvement, Hospital, LEED Projects, Revit/BIM
Storrow Drive Interchange Tunnels Boston

Storrow Drive Interchange/Tunnels

Boston, MA
Project Contacts: Rosalind Imbaro, Paul Kelley, Atis Liepins

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 roofs that are supported by...

Services:Materials Rehabilitation, Structural Design
Markets:Highway & Tunnel
Keywords:Award Winning, Below-Grade, Bridge, Major Vehicular, Concrete, Construction Administration, Cracking, Emergency Response, Field Testing, Tunnel
Worcester Polytechnic Institute (WPI), Sports and Recreation Center

Worcester Polytechnic Institute, Sports and Recreation Center

Worcester, MA
Project Contacts: Sal Capobianco

Recognizing sports and fitness are important to the campus community, Worcester Polytechnic Institute (WPI) wanted to update its current facilities by constructing a new sports and recreation center. The facility includes a precast concrete...

Services:Structural Design
Markets:Education - College & Prep
Keywords:Award Winning, Concrete, Concrete-Precast, Concrete-Prestressed, Long-Span Structure, Natatorium, Signature Project
325 North Ashland Avenue

325 North Ashland Avenue

Chicago, IL
Project Contacts: Terrence McDonnell

The 80,000 sq ft building in Chicago’s Fulton Market neighborhood was constructed in the early 1950s as a manufacturing facility. Potential buyers were considering redeveloping the property for use as office space or a data center, and the...

Services:Structural Design
Keywords:Adaptive Reuse, Addition, Concrete, Feasibility Study
Concrete Sidewalk Investigations

Concrete Sidewalk Investigations

Belmont, MA
Project Contacts: Matthew Sherman

SGH investigated the causes of deteriorating concrete sidewalks at multiple locations in Massachusetts. Deterioration ranged from scaling to surface delaminations.

Services:Materials Investigation
Keywords:Concrete, Deterioration, Laboratory Testing and Analysis, Petrography
Boston University, Law Tower

Boston University, Law Tower

Boston, MA
Project Contacts: Matthew Bronski

This seventeen-story structure is one of several architecturally significant, mid-century modernist concrete buildings designed by Josep Lluís Sert for Boston University’s campus. The tower's concrete facade deteriorated over time,...

Services:Building Enclosure Rehabilitation, Materials Rehabilitation, Structural Rehabilitation
Markets:Education - College & Prep
Keywords:Award Winning, Concrete, Concrete Mix Design, Concrete Rehabilitation, Concrete-Cast-in-Place, Concrete-Precast, Mockup, Preservation Technology
PG&E Building 215 Market Street Annex

PG&E Building 215 Market Street Annex

San Francisco, CA
Project Contacts: James Mendygral, Carolyn Searls

Now part of Pacific Gas & Electric Company’s (PG&E’s) General Offices, The Matson Shipping Building (215 Market Street) was constructed in 1924 and is listed on the National Register of Historic Places. The seven-story annex...

Services:Building Enclosure Rehabilitation, Materials Rehabilitation
Markets:Office
Keywords:Award Winning, Coating, Concrete, Concrete Rehabilitation, Facade Inspection, Historic, National Register of Historic Places, Plaster, Preservation Technology , Stucco, Walls, Water Leakage, Windows

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October 17, 2019

San Francisco Nonductile Concrete Buildings Part II: Analysis, Assessment and Comparison of Older San Francisco Concrete Buildings

By: Keith Palmer, Scott Darling, Sunny Nguyen, Megan Pouliot, Pearl Ranchal, Erick Gerardo Garcia Chavez, Duke Crestfield, Stephen Kadysiewski, Robert Kraus, Katie Wade

The building stock of large metropolitan areas comprise buildings of various materials constructed over the course of many years. A significant number of these buildings utilized concrete construction with details drastically different than...

Keywords:Concrete, Seismic Engineering and Retrofit
October 17, 2019

San Francisco Nonductile Concrete Buildings Part I: Building Inventory

By: Keith Palmer, Pearl Ranchal, Kari Klaboe, Duke Crestfield, Stephen Kadysiewski, Laurence Kornfield, Robert Kraus

Over the years, there has been much focus within California on seismically vulnerable building types, with the ultimate goal being to reduce life safety risks, improve community resiliency, or achieve a balance of both objectives. In San...

Keywords:Concrete, Seismic Analyses
July 1, 2019

Revisiting Earthquake Lessons - Non-ductile Concrete

By: Keith Palmer

The Richter magnitude 6.7 San Fernando Earthquake occurred on the morning of February 9, 1971 in the San Fernando Valley north of the city of Los Angeles. Also known as the Sylmar Earthquake, it caused 65 deaths, 2500 injuries and an estimated $...

Services:Structural Investigation
Keywords:Codes & Standards, Concrete, Seismic Analyses
October 11, 2018

Understanding Concrete Slab Types for Waterproofing and Repair Projects

By: Matthew Sherman
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.
Services:Structural Design, Structural Rehabilitation
Keywords:Concrete, Concrete Rehabilitation, Laboratory Testing and Analysis, Research/Development, Slab, Waterproofing
February 9, 2018

Admixture Compatibility in Metakaolin–Portland-Limestone Cement Blends

By: Behnaz Zaribaf, Kimberly E. Kurtis

Despite potential benefits including enhanced mechanical properties, reduced permeability, and decreased environmental impact, higher rates of metakaolin substitution for cement ([10% MK by mass of cement) have been limited practically because of...

Services:Materials Design
Keywords:Concrete, Concrete Mix Design
October 4, 2017

Assuring Quality Adhesive Anchor Installations in the Americas

By: Neal Anderson, Michael Morrison, Donald F. Meinheit

Anchorage to concrete design provisions were first incorporated into the ACI 318 Code in 20021 as Appendix D. In 2011, the design provisions for adhesively bonded anchors were added to the ACI 318-11 Building Code Requirements for Structural...

Services:Structural Design
Keywords:Codes & Standards, Concrete
September 22, 2017

Tension Tests of Headed Stud Anchorages in Narrow/Thin Edge Members

By: Neal Anderson, A. Koray Tureyen, Donald F. Meinheit

ABSTRACT
The Precast/Prestressed Concrete Institute (PCI) sponsored a comprehensive research program to assess the capacity of headed-stud group anchorages. The PCI program was initiated in response to significant differences...

Services:Structural Investigation
Keywords:Concrete, Laboratory Testing and Analysis
September 22, 2017

Influence of Edge Bearing on the Front-edge Shear Breakout Capacity

By: Neal Anderson, Donald F. Meinheit

ABSTRACT
Edge bearing stresses on shear-loaded anchorages can enhance the shear capacity because of the confining stresses provided by the compressive bearing stress. However, too much bearing stress can have a negative influence on...

Services:Structural Investigation
Keywords:Concrete, Metal-Steel, Shear Wall
July 17, 2017

ACI 562-16: The ACI Concrete Repair Code

By: Kevin Conroy, Keith Kesner

Simpson Gumpertz & Heger (SGH) Senior Project Manager Kevin Conroy coauthored an article describing the American Concrete Institute’s (ACI) updated building repair code for existing concrete structures. The...

Services:Structural Rehabilitation
Keywords:Codes & Standards, Concrete, Concrete Rehabilitation
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

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hynes tunnel
July 26, 2019

Showcasing Collaboration on the Hynes Tunnel Ceiling Removal Project

By: Cory Brett
See how our project team helped remove ceiling panels over a busy roadway with minimal disruption to the public.
Keywords:Canopy/Ceiling, Civil, Concrete, Construction Administration, Construction Engineering, Construction Staging, Demolition, Shoring/Temporary Structure, Slab, Tunnel
Categories:Experience
ICRI sean radley
December 6, 2017

Concrete Repairs and Waterproofing at the Harvard Towers Parking Garage

By: Sean Radley
Concrete parking garages can face harsh conditions, especially in the northeast where vehicles bring deicing salts from winter roads.
Keywords:Award Winning, Concrete, Concrete-Cast-in-Place, Condition Assessment, Parking Structure, Plaza, Waterproofing
Categories:Experience, Industry
kevin conroy
July 17, 2017

ACI’s Performance-Based Concrete Repair Code

By: Kevin Conroy
The American Concrete Institute recently updated its building repair code for existing concrete structures in 2016.
Keywords:Codes & Standards, Concrete, Concrete Rehabilitation
Categories:Experience, Industry

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Simpson Gumpertz & Heger Inc. (SGH) is a national engineering firm that designs, investigates, and rehabilitates structures, building enclosures, and materials.

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