Failure Investigation and Disaster Response
Inquiries
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Featured Projects
Pony Express Bridge Collapse
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Evaluation of Exterior Masonry Wall for National Retailer
CTLGroup determined the cause of various masonry wall problems and developed recommendations for remediation for a large national retailer. Read More |
I-35W Investigation and Expert Report
CTLGroup was retained to provide expert opinion as to the cause of the collapse of the I-35W Bridge. Read More |
Precast Concrete Roof Failure
CTLGroup was retained by attorneys representing a precast concrete supplier to investigate the failure of precast prestressed concrete hollow core slabs. Read More |
Iowa City Tornado Damage
CTLGroup conducted visual inspections of tornado-damaged properties and filed reports for a major insurance carrier, resulting in a favorable settlement. Read More |
Tropicana Reinforced Concrete Parking Garage Collapse Evaluation
CTLGroup identified the cause of the partial collapse of a 10-story parking garage in Atlantic City, NJ. Read More |
Wind Tower Monitoring
CTLGroup performed foundation crack monitoring, load monitoring and frequency measurement at a Texas wind farm. Read More |
Glass Fiber Reinforced Concrete Panel Cracking at Office Complex
CTLGroup investigated cause of the panel cracking and leakage, provided opinions on proposed rehabilitation strategies. Read More |
Big Dig Tunnel Ceiling Collapse
CTLGroup investigated the collapse of a suspended concrete ceiling panel in the Boston tunnel. Read More |
Chimney Fire Damage Assessment
CTLGroup evaluated fire damage in the chimney of a power plant while under construction. Read More |
Hurricane Katrina Damage
CTLGroup investigated storm damage to differentiate the effects of wind and surge. Read More |
Shopping Mall Prestressed Concrete Parking Structure Load Test
CTLGroup examined a shopping mall parking structure in order to address issues of cracking and spalling. Read More |
Cline Avenue Bridge Collapse
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Collapse of Bayou Canot Bridge
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Bridge Girder Collapse Evaluation
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Collapse of Lake Street/Marshall Avenue Bridge
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Collapse of Twelve-Mile Creek Bridge
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Other Services
Insights
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Matt Sheehan Presents at 6th Congress on ASCE Forensic Engineering
October 31, 2012 -
Construction Error Could be a Factor in Collapsed Miami Dade College Garage, Experts Say
October 12, 2012 -
Ontario Shopping Mall Roof Collapse
June 28, 2012 -
OSHA Points to Process Errors in Cincinnati Casino Collapse
April 23, 2012 -
Building Sequence Probed at Cincinnati Casino Collapse
February 8, 2012 -
Dr. W. Gene Corley Speaks About 9/11 Investigation on America's Radio News Network
September 9, 2011 -
Work on Collapsed Texas Parking Garage Won’t Resume Until Root Cause Determined
February 16, 2011 -
FEMA: World Trade Center Building Performance Study
October 5, 2010
Helping to answer the question of 'why'
Structures fail. Disasters occur. For decades, CTLGroup has helped clients assess damage, determine root cause, implement stabilization actions and develop design repair solutions when appropriate. We have been called for almost every major disaster or catastrophic event for over 40 years: The Oklahoma City Bombing; the Twin Towers collapse of September 11; the impact of Hurricane Katrina; the collapse of the I-35W Bridge in Minneapolis. Our teams are often on-site the day of an event. And our experts have helped make restored structures safer and better and have contributed to the improvement of building standards and codes across the country.
Our experts help clients in the wake of disaster through the following:
- Condition and damage surveys and assessments
- Forensic and diagnostic investigations
- Failure investigations and root-cause determinations
- Failure simulation modeling
- Stabilization designs
- Load testing
- Repair and rehabilitation design
- Legal and litigation support