|Team Project Activities|
|Tasks and Proposed Deliverables|
1. Formation of Technical Advisory Committee (TAC) and Kick-off team meeting – modify the research program if necessary;
2. State DOT survey to seek additional input – send scour needs and utilization survey to state DOTs;
3. Build additional transducers:
(a) Roll and Texture FeGa sheet;
(b) Integrate rolled-sheet whisker elements and GMR sensors to make flow sensors;
(c) Sensor calibrating and laboratory flow test;
4. Development of smart scour-sensing posts with wired interface:
(a) Develop flanges for protection of sensors during driving of posts;
(b) Test sensor survivability using wired instrumentation;
(c) Short field validation using wired interface;
5. Laboratory scour detection studies:
(a) Construct specimen;
(b) Study varying conditions in controlled environment:
I- Water depth - 5 levels
II- Water velocity - 5 levels
III- Sediment - silt versus sand
IV- Sediment size study
V- Scale riverbank monitoring study
6. Design/development of embedded sensor interface:
(a) Hardware development for wireless smart scour-sensing posts/base station;
(b) Firmware development for wireless smart scour-sensing posts/base station;
(c) Add channels for pier monitoring unit;
7. Fluid interaction and corrosion protection studies;
(a) Conduct coating experiments to characterize effectiveness of alternative approaches (chrome electroplating and polymer coating);
(b) Characterize corrosion properties of coated whiskers via accelerated test;
(c) Test Iron-Aluminum whisker as suitable replacement for Iron-Gallium;
(d) Modify whisker shape to enhance fluid interaction properties;
8. Signal processing and classification:
I- Identify airborne sensor signals
II- Identify waterborne sensor signals
III- Identify buried sensor signals
IV- Identify sensor fault signal signals
9. Develop decision support visualization and query client;
10. Field testing of wireless scour-sensing posts;
(a) Installation of system;
(b) Field operation;
(c) Validation against established scour measurement method;
(d) Integration with decision support engine;
11. Final team meeting;
12. Write and submit quarterly and final reports.
13. Publish papers and make presentations.
See summary for Tasks 11-13 (below) for description.
• Improved understanding of bridge owner costs associated with scour.
• Improved understanding of system requirements.
• Acceptable installation practices for the scour sensors.
Deliverable 2A - Report: Summary of DOT Survey Results.
• 300 Magnetostrictive flow sensors.
• Demonstration of successful installation of the scour-sensing posts with survival of the whiskers.
• Whisker protection flange design improvements.
• Manually collected field data.
Deliverable 4A - Report: Driven Post Sensor Survivability
• Proof-of-concept in a controlled environment.
• Understanding of the role flow and scour rates play in the ability of the scour detection arrays to detect scour.
• A library of candidate signals to be used for classification (static versus dynamic sensors) in the signal processing activities of Task 8.
• Controlled environ. to validate/debug embedded data interrogation system (Task 6) and interface with decision support engine of Task 9.
• Small-scale validation of river bank monitoring using the smart scour sensing posts.
Report: Results of Laboratory Study.
• Embedded data collection and interrogation hardware and software for smart scour-sensing posts including wireless interface.
• Base station for communication between smart scour-sensing posts and remote decision support viewing client (for Task 9).
• Embedded data collection and interrogation hardware and software for bridge pier monitoring with enhanced channel count and integrated base station.
Deliverable 6A - Report: Scour Monitoring System – Embedded System Design.
• Improved corrosion properties for the Galfenol whiskers.
• Improved fluid interaction for the Galfenol whickers in low flows.
Deliverable 7A - Report: Scour Sensor Design – Corrosion Protection and Fluid Interaction.
• Classification algorithms for dynamic and static signals.
• Sensor fault detection algorithms.
Deliverable 8A - Report: Signal Processing for Scour Detection.
• Decision support engine updated to present scour information to bridge owners.
Deliverable 9A - Report: Decision Support Engine for Scour Detection.
Deliverable 9B - Demonstration of Decision Support Engine.
• Successful demonstration of multi-month operation of bridge abutment monitoring using the smart scour-sensing post system.
• Successful demonstration of multi-month operation of culvert monitoring using the smart scour-sensing post system.
• Successful demonstration of multi-month operation of pier monitoring.
• Successful demonstration of multi-month operation of riverbed migration monitoring.
Deliverable 10A - Report: Field Validation of Magnetostrictive Scour Monitoring System.
Deliverable 10B - Demonstration of Field Installed System.
• Project website, created and maintained for the entire duration of the project.
• At least two meetings with the Technical Advisory Committee, including reporting on TAC recommendations and feedback.
• Two or more WebEx-style interim meetings between annual TAC meetings to keep TAC up-to-date.
• Two or more WebEx-style meetings near the end of the project with Michigan and Maryland state DOT officials to coordinate field tests and solicit feedback.
• Outreach efforts such as TRB presentations.
• Regular and clear reporting to the sponsor and stakeholder community.
Deliverable 12A - Quarterly progress reports, quarters 1-8 inclusive.
Deliverable 12B - Final Report.