Gain a strong working knowledge of the techniques that are applicable to the evaluation of bridges, including steel, concrete & timber structures with attention to load carrying capacity. You'll be better able to select the right load test for bridge...
- Course Outline
After participating in the course, you will be able to:
¢ develop a better understanding of the application of the Canadian Highway Bridge Design Code in conducting step-by-step manual calculations for the evaluation of the bridge load carrying capacity in both flexure and shear. This would assist bridge designers, owners to decide on keeping the bridge as is, posting the bridge, rehabilitating or strengthening the bridge, or demolishing it.
¢ gain additional exposure to the state-of-the-art and innovative techniques for bridge rehabilitation and strengthening using fibre reinforced polymer sheets or rebars
¢ boost your technical library with numerical examples for bridge evaluation
Description As our transportation infrastructure ages, there is an increasing need on the part of owners to demonstrate greater duty of care. One of the implications of this is the requirement for more thorough evaluation of structure integrity.
In many cases, the evaluation of existing bridge conditions and safety is done by visual inspection. However, many defects are not evident either because they are physically concealed, as in underground components, or lie beneath surfaces as in corrosion damage. As well, once located, the impact of these defects on safe load carrying capacity is difficult to determine. Selecting appropriate and cost-effective rehabilitation measures is often hampered by limited information on the structural defects.
In this two day seminar, you will gain a strong working knowledge of the techniques that are applicable to the evaluation of bridges, including steel, concrete, and timber structures, with attention to load carrying capacity. You will be better able to select the right load test for bridge evaluation, and to interpret the results produced.
The seminar will mainly cover the interpretation of Chapter 14 oeEvaluation of the 2006 Canadian Highway Bridge Design Code (CHBDC), and related topics in Chapter 3 oeLoads and Chapter 5 oeMethod of Analysis. Bending and shear strength of bridge girders rehabilitated or strengthened using Fiber reinforced polymer (FRP) sheets or bars will be presented in the second day of the seminar based on CHBDC provisions stated in Chapter 16. Solved examples for bridge evaluation will be presented for concrete and steel.Objective
To provide the knowledge required to determine, what tests should be used what information regarding bridge conditions can be obtained from them, and how the evaluation information should be interpreted.Who Should Attend
Engineers, technicians, technologists and managers with responsibility for bridge inspection, safety, design, rehabilitation or management; consultants in small and medium sized companies wishing to bid bridge inspection jobs; engineers in those organizations owning bridges who need to know what testing strategies best apply.Special Features
The speaker has been selected for his first-hand experience with bridge design, evaluation, rehabilitation and strengthening. You will have time to meet and share experiences with others in the field. Presentations will stress practical applications. The emphasis will be on how to use these techniques in a bridge safety evaluation program, rather than the details of how each instrument or evaluation method works. You will learn what information each technique produces and how to use this information to evaluate bridge safety and rehabilitation strategies. While the course will discuss future developments of innovative FRP technologies, it will focus on practical applications for use now.Program Outline
Instructor: Khaled Sennah, Ph.D., P.Eng., P.E., Ryerson University
Day I: Evaluation of Bridge Condition for Safety
Welcome, Introduction, Workshop Preview, Learning Outcomes and the Assessment Method
8:30 Bridge Evaluation Using Manual Calculations
¢ Need for evaluation
¢ Evaluation methods (limit states method, mean load method and load testing method)
¢ Material strengths for as per condition inspection
¢ Equivalent material strengths from tests of samples or from date of bridge construction
¢ Permanent loads and transitory load for bridge evaluation
10:00 Refreshments and Networking
10:20 Bridge Evaluation Using Manual Calculations (Continued)
¢ Limit states method
¢ Mean load method
¢ Solved examples of bridge evaluation of steel and concrete bridge girders
¢ Factors affecting the live load capacity factor for bridge evaluation (Fm, Fv, DLA)
1:00 Bridge Evaluation Using Field Testing
¢ Sources of structural deficiency in a bridge
¢ Equipment, sensors for bridge testing
¢ Types of static load testing
¢ Experimental live load capacity factors
¢ Bridge posting
¢ Types of dynamic testing
2:30 Refreshments and Networking
2:50 Bridge Evaluation Using Field Testing (Continued)
¢ Periodic and continuous monitoring of a bridge
¢ Case study of behavior test and ultimate load test of AASHTO TYPE-III precast-pretensioned concrete girder impacted by vehicle
after being rehabilitated with carbon fibre polymer sheets (CHRP) in shear and flexure.
¢ Case study of ultimate load test of AASHTO precast/prestressed girder and double-tee precast/pretensioned girders
4:20 Open Forum " Questions and Answers on the Presentations
Day II: Bridge Rehabilitation and Retrofit
8:30 Bridge Rehabilitation/Retrofit
¢ Rehabilitation loads and load factors
¢ Ultimate and serviceability limit states requirements for bridge rehabilitation
9:00 FRP Composites For Bridge Infrastructure Rehabilitation
¢ FRP composites, physical and mechanical properties, durability and long-term behavior
¢ Installation of FRP strengthening systems
10:00 Refreshments and Networking
10:20 RPP Composites For Bridge Infrastructure Rehabilitation (Continued)
¢ Mechanics for flexural, shear and confinement strengthening with FRP(TM)s
¢ Design consideration for flexural, shear and confinement strengthening with FRP(TM)s
1:00 Rehabilitation of Prestressed Concrete Girder Bridge Using CFRP Sheets
Inspection and structural evaluation of presetressed concrete girder
Manual calculations of flexural rehabilitation with externally bonded FRP sheets
2:20 Refreshments and Networking
2:40 Rehabilitation Of Presetressed Concrete Girder Bridge Using CFRP Sheets (Continued)
¢ Manual calculations of shear rehabilitation with externally bonded FRP sheets
¢ Case study of AASHTO TYPE-III precast/pretensioned concrete bridge girder rehabilitated using CFRP sheets about being damaged
by vehicle impact
¢ Case study of double-tee precast/prestressed concrete girders rehabilitated using CFRP sheets about being damaged during
transportation and handling to the bridge site.
¢ Case study of evaluation of steel girder bridge strengthened in flexure using post-tensioned FRP bars
4:20 Questions and Answers and Feedback to Participants on Achievement of Learning Outcomes
5:00 Concluding Remarks and Final Adjournment
- Prerequisites & Certificates
1.3 CEU / 13 PDH
- Cancellation Policy
To withdraw from a course, you must send a request, in writing, with the official receipt to our office. Fifteen or more business days in advance: full refund less $50.00 administration charge. Five to fifteen business days in advance: non-refundable credit of equal value for any future EPIC seminar within one year. Credits are transferable within your organization. In case of an unexpected event occurring after this time, you may send someone else to take your place without any additional cost.
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