Structural Analysis
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Featured Projects
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 |
Long-Term Noise and Vibration Study
A look into the effects of construction vibrations 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 |
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 |
Partial Collapse of Auto Factory Floor
CTLGroup investigated circumstances that led to the partial collapse of the factory floor of an auto plant. Read More |
Bridge Girder Collapse Evaluation
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Coker Unit Repair Specification and Monitoring
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Coke Drum Support Evaluation
CTLGroup performed an investigation of the reinforced concrete frames supporting the refinery’s coke drums, and determined the existing structural capacity of their frames. Read More |
Hyperbolic Cooling Tower Rehabilitation
CTLGroup determined the extent and causes of the deterioration of cooling towers. Read More |
Research to Evaluate Behavior of Concrete Containment Structures Subject to Overpressurization
CTLGroup designed and built muti-axial test frame as part of an immense EPRI research project. Read More |
Other Services
It's a stressful world. When you need to know what might happen, call CTLGroup.
CTLGroup engineers are often called upon to determine what can happen when a structure is exposed to various loadings. Structural engineers apply advanced finite element methods for analysis of structures ranging from simple to highly complex, including:
- Buildings
- Bridges
- Parking garages
- Foundations
- Tanks
- Cooling towers
- Chimneys
- Pipelines
- Railway tracks
Applying these methods allows stress and deformation levels from gravity, thermal, wind, vibration, earthquake, blast or a variety of other loadings to be predicted with a high degree of accuracy. The analyses can be used to determine the cause of a past failure, the compliance of a structure to applicable code requirements or the predicted response to a future extreme event. The computer models can then be readily modified to investigate the cost and benefit of possible repair options and conduct what-if scenarios.
CTLGroup maintains licenses for a broad range of state-of-the-art analysis and design software including:
- SAP2000
- ETABS
- RISA3D
- ABAQUS
- DIANA
- ADAPT-Floor
- RAM-Concept
These programs allow structures to be investigated for both linear elastic response and non-linear effects such as material cracking or yielding, local or global buckling and progressive collapse.
Combining highly specialized structural analysis capabilities with expertise in field investigations, non-destructive examination methods, materials knowledge and laboratory testing capability allows us to provide complete solutions to client issues that few other firms can match.