1. Web-FIXS: A Knowledge System For Bridge Fabrication Error Resolution
Zhong Liu
U.S. Department of Transportation Federal Highway Administration Pooled Fund Study SPR-3 (083)

2. Overview
Background...
Software development...
Future work...

3. Background Problem statement... Previous work... Project objectives…
Performance...

4. Problem Statement
Fabrication errors in steel bridges need to be recognized and corrected properly and efficiently.
The sharable database can lead to standardized solution procedures that would expedite bridge fabrication and would be expected to reduce fabrication costs.

5. Previous Work BFX CB-BFX FIXS Roddis & Hess, 1994
Rule-Based Expert System
CB-BFX
Bocox & Roddis, 1996
Case-Based Expert System
FIXS
Roddis,Wang & Greenfield 1998
Case & Rule Based Expert System

6. Project Objectives Porting FIXS Discussion forum Case submission.
Site map and links
DBMS system to manage site users
Maintenance manual

7. Performance Case submission to future machine learning
Easy access, common interfaces to various computer platforms
Immediate information exchange and services
Case submission to future machine learning

8. Software Development Development Tools... Design Considerations...
Implementation...

9. Development Tools LPA Win-Prolog Modest Expert System Shell (MESS)
Simple Case-Based Reasoning (SCBR)
ProWeb
FrontPage to Edit HTML
Internet Information Services (IIS)
Java
ProData & ODBC (Not in the version)

10. Design Considerations
Serving multiple clients
Data retrieving
Security
Control time settings
Management of Web-FIXS

11. STRUCTURE OF WEB-FIXS

12. HTML Group of Web-FIXS (1)

13. HTML Group of Web-FIXS (2)

14. Porting FIXS Group Find Solutions:
Browsing Solutions:
FXIS Preferances:

15. DBMS Group of Web-FIXS (1)

16. DBMS Group of Web-FIXS (2)

20. Porting FIXS:
Browsing Solutions

21. Browsing Solutions

22. Find Solutions
Multiple
High-Light
Units

23. Find Solutions

24. Ask “Why” in Find Solutions

25. FIXS - Generic Error Type
Select the Type of Error to Display:
Mislocated Holes at Field Bolted Splices
Plug Weld Holes
Fabrication Errors Around Stiffeners
Overheating
Nicks and Gouges
Surface Lamination

26. Help of
Web-FIXS

27. Help of Web-FIXS

28. Manager’s Page

29. User’s Account

30. Topic’s Account

32. Discussion Forum is an approach to manage topic’s & answer’s accounts by users

33. Add a topic by users

34. INSTALLATION of Web-FIXS
Installing Web server software
Setting up Web server’s default Internet Public Area
Copy all Web-FIXS files from CD-ROM or zip disk to C: drive. Locate files in c:\INETPUB
Sharing Web-FIXS main folders on server.

35. SYSTEM MAINTENANCE Manage database system Clear garbage files
Check new cases
(Change settings of Web-FIXS if needed
UPDATED DATABASE

36. FUTURE WORK Enhance HTML pages
commercial database systems and related SQL language
Possible machine learning from new cases to knowledge
Smooth transition to Paul

37. Thanks
Questions ?