SUBMISSION DEADLINE: Friday, March 1st at the start of class. The owner of an existing old pin-jointed bridge truss wants (i) to check the current structural condition and (ii) to know if the bridge can sustain a larger load. From a site visit and by gathering past project information, the bridge structure and loading condition are as follows (pinned support @ A and roller support @ D): 800KN 1000KN Fy = 200 MPa UBC Fu = 300 MPa E List of components: AB, BC, CD WT 155 x 43 6 m AE, FD HSS 356 x 254 x 16 EF HSS 254 x 254 8 B C D BE, CE, CF 2L 51 x 51 x 9.5 305KN 3 at 9m A100 120 50 All bolts M16 and Plates 20mm thick 120 Connection @ B Connection @C Side View [mm] CIVL 331: Steel and Timber Design 1 of 2