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  Team Project Activities
Tasks and Proposed Deliverables

Task 1: Kickoff meeting and Formation of TAC

Task 2: State DOT survey

Task 3: Build transducers

Task 4: Development and field testing

        Task 5: Laboratory Scour Detection

        Task 6: Designdevelopment of embedded

        Task 7: Fluid interaction and corrosion

        Task 8: Signal processing

        Task 9: Develop decision support

        Task 10: Field testing of wireless

        Tasks 11-13: Reporting Publications

Team Project Activities

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.

Tasks and Proposed Deliverables

   

Task 1: Kickoff meeting and Formation of Technical Advisory Committee (TAC)

See summary for Tasks 11-13 (below) for description.

 

Task 2: State DOT survey

Output(s):

            •         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.

 

Task 3: Build transducers

Output(s):

            •         300 Magnetostrictive flow sensors.

 

Task 4: Development and field testing of scour-sensing posts with wired interface

Output(s):

            •         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

 

Task 5: Laboratory Scour Detection Studies

Output(s):

            •         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.

Deliverable 5A - Report: Results of Laboratory Study. 

 

Task 6: Design/development of embedded sensor interface

Output(s):

            •         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.

 

Task 7: Fluid interaction and corrosion protection studies

Output(s):

            •         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.

 

Task 8: Signal processing and classification

Output(s):

            •         Classification algorithms for dynamic and static signals.

            •         Sensor fault detection algorithms.

Deliverable 8A - Report: Signal Processing for Scour Detection.

 

Task 9: Develop decision support visualization and query client

Output(s):

            •         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.

 

Task 10: Field testing of wireless scour-sensing system

Output(s):

            •         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.

 

Tasks 11-13: Reporting, Publications and TAC Meetings

Output(s):

        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.