August 14, 2017

WSSC Breaks Its Record in CFRP Lining of PCCP in One Outage

By: Murat Engindeniz, Rasko Ojdrovic, Michael P. Gipsov

Washington Suburban Sanitary Commission (WSSC)’s condition assessment and repair program on critical transmission mains continued in spring 2016 with a record-breaking project where a total of forty-one 60 in. to 66 in. diameter prestressed...

Services:Structural Rehabilitation
Markets:Water/Wastewater
Keywords:Composites-FRP / CFRP / GFRP, Condition Assessment, PCCP, Pipeline
Structural Steel Plate Buried Bridges
August 1, 2017

Structural Steel Plate Buried Bridges

By: Jesse Beaver

The state of U.S. infrastructure and need for funding to improve it has been highlighted through efforts of national engineering organizations such as the American Society of Civil Engineers’ Infrastructure Report Card and the American...

Services:Structural Design, Structural Investigation
Markets:Bridge
Keywords:Buried, Culverts and Storm Drains, Metal-Steel, Soil-Structure Interaction
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
structure magazine chicago navy pier centennial wheel
July 3, 2017

Chicago’s Navy Pier Centennial Wheel

By: Jared Brewe, Ken Maschke, P.E., John E. Sheridan

STRUCTURE magazine recently published an article co-authored by Jared Brewe discussing the recent Navy Pier Ferris Wheel project. SGH assisted in the evaluation of construction picks and crane placements, crucial elements to...

Services:Structural Design
Keywords:Shoring/Temporary Structure
June 2, 2017

Referencing and specifying fenestration field-testing

By: Evan Landis, Anthony Nicastro, Chrystal Chern

Construction Specifier magazine recently published an article written by several Simpson Gumpertz & Heger (SGH) staff members detailing quality control testing for fenestration products. In “Referencing and Specifying...

Services:Building Enclosure Design
Keywords:Walls and Fenestration
Membrane-level Drainage on Highway Bridge Decks
June 1, 2017

Membrane-level Drainage on Highway Bridge Decks

By: Philip Moser, Gregory Doelp
Design and construction of asphalt pavements over waterproofed bridge decks differ from roadway construction on grade.
Services:Building Enclosure Design
Keywords:Drainage, Waterproofing
April 13, 2017

Lessons Learned From 100+ Projects on CFRP Repair of Pipelines

By: Murat Engindeniz
Since the beginning of carbon fiber reinforced polymer (CFRP) lining of pipes in the late 1990s, thousands of feet of pipe have been lined with CFRP in hundreds of projects across the United States. In the last decade, the author has been directly involved in the initial and final development of this technology and has applied it to pipes with various diameters, distress conditions, design loads, etc. in more than one hundred project
Services:Structural Rehabilitation
Keywords:Composites-FRP / CFRP / GFRP, Pipe
April 11, 2017

Blast-Resistant Design of a Three-Story Glass Curtain Wall System at a Federal Research Facility

By: Guzhao Li, Paul Summers, Terrence McDonnell, Ronald Hamburger

The authors designed a three-story glass curtain wall system for a federal research facility to withstand a blast load of 5.4 psi peak reflected pressure with 28 ms duration. We used WINdow glazing analysis response and design (WINGARD) software...

Services:Structural Design
Keywords:Blast Analysis & Resistance, Curtain Wall, Finite Element Analysis, Glass and Glazing
April 11, 2017

Evaluation and Design of Blast-Resistant Buildings at Refineries and Petrochemical Facilities

By: Paul Summers, Guzhao Li, Zonglei Mu

Buildings in refineries and petrochemical facilities, especially those housing personnel, need to be safe to withstand the effects of explosion, fire and toxic gas ingress, as per existing API requirements. The authors have designed over 200...

Services:Structural Design
Keywords:Blast Analysis & Resistance
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

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