Bowen Lab Projects

Efficient Load Rating and Quantification of Life-Cycle Damage of Indiana Bridges Due to Overweight Loads Efficient Load Rating and Quantification of Life-Cycle Damage of Indiana Bridges Due to Overweight Loads
The project aims at studying the relationships between, (i) overweight trucks, (ii) load rating and damage of bridges due to the overweight trucks, (iii) associated maintenance costs, and, (iv) the reduction is service-life due to damage.
NEES Data Flow Testbed NEES Data Flow Testbed
To support user requested developments, NEEScomm has developed a simplified testbed revolving around the typical "Data Flow" used by NEES researchers. The testbed facilitates building a partnership between IT and the earthquake engineers.
Dynamic Tri-axial Compression Experiments Dynamic Tri-axial Compression Experiments
The experimental setup modifies a Kolsky bar by adding pressure chambers to axially and radially confine specimens before and during impact. As a result, the effect of strain rate and confinement pressure upon the material response may be determined.
Reliability Based Bridge Inspection Reliability Based Bridge Inspection
The objective of this project is to develop reliability based inspection practices to improve the safety and reliability of bridges and optimize resources for bridge inspection. The proposed methodology asks: What can go wrong? How likely is it? What are the consequences if it happens? Answers to these questions are then used to determine a bridge inspection interval based upon a reliability matrix. Historical data is being used to verify the methodology, and an implementation plan is being developed.
Response of Fire Loading on Multi-story Continuous Steel Column Response of Fire Loading on Multi-story Continuous Steel Columns
This project investigates the inelastic buckling analysis of continuous steel wide flange gravity columns under partial fire loading. During a fire event, portions of the building may remain at ambient conditions despite other areas of the structure heated by fire. The goal of this research is to study the behavior of inelastic column buckling during an isolated fire event and determine the magnitude of the stabilizing moments gained through surrounding ambient structural elements.
Purdue slab component tests Structural Integrity of Steel Gravity Framing Systems - Purdue Slab Component Tests
Component tests on the concrete slab on metal deck include uniaxial tests to evaluate behavior in both orthogonal directions with respect to the deck corrugations, and shear and tension tests of the sidelap splices. Parameters include metal deck thickness and type of sidelap (e.g., button punch, screw, weld). This study is part of a collaborative research project with U. Washington (connection tests) and U.Illinois (system tests). Test results will be used to validate and update computational models for evaluation of robustness of steel buildings.
Bridge Decks Performance Evaluation of Crack and Deck Sealants for Concrete Bridge Decks
Corrosion of steel reinforcement from salt intrusion can greatly reduce the service life of a concrete bridge deck. Sealants applied to the deck surface and within cracks can reduce this corrosion. Sealant product performance is tested with electrically wired macrocells that are exposed to saline solution for long-term intervals. Specimens are opened, visually inspected, and compared to evaluate performance.
streaming data middleware process graphic Empowering the Scientific Community with Streaming Data Middleware: Software Integration into Complex Science Environments
This project addresses a key cyberinfrastructure requirement for these communities -- robust and reliable streaming data middleware known as Open Source Data Turbine (OSDT). This collaborative project combines strategic software developments with deep engagement in three science communities: civil engineering, marine science, and ecology.
  CyberMech, a Novel Run-Time Substrate for Cyber-Mechanical Systems
The core objective of this collaborative research is to develop a novel run-time substrate, CyberMech, to enhance the performance of real-time cyber-mechanical experiments through an integrated set of advances.
  Cyber-Physical Co-Design of Wireless Monitoring and Control for Civil Infrastructure
The objective of this research is to develop advanced distributed monitoring and control systems for civil infrastructure. The approach uses a cyber-physical co-design of wireless sensor-actuator networks and structural monitoring and control algorithms.

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