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# FRP Retrofitting 2010 Tutorial T-A&amp;B Student's Name: Student's ID: Hand in Monday 22/3/2010 at 3pm in the student submission box next to the...

By the way, how to find the peak bond stress in question 1?

FRP Retrofitting 2010 Tutorial T-A&B Student’s Name: Student’s ID: Hand in Monday 22/3/2010 at 3pm in the student submission box next to the School Office. Late submissions will receive zero marks Please attach this page with your name and ID number to your submission. If you need to make any assumptions clearly state the assumption and continue. Clearly explain your procedure showing all calculations. Correct solutions by themselves will gain zero marks. State all units throughout the calculations. Marks will be deducted for no units. Please make a copy of your tutorial solutions prior to submitting. The tutorials will not be handed back and only a mark will be provided. A copy of the solutions will be provided on MyUni in the week after the tutorial is due. Matthew Haskett [email protected]
Question 1: For the externally bonded plate arrangement in Figure 1 determine: a) The peak bond stress ( τ max ) b) The peak slip ( δ max ) c) The intermediate crack (IC) debonding load (P IC ) d) The bond length (L crit ) required to achieve the IC debonding load. Figure 1: Externally bonded plate arrangement Question 2: The same dimensioned plate is now bonded to the concrete in a near surface mounted (NSM) arrangement as shown in Figure 2. Determine: a) The peak bond stress ( τ max ) b) The peak slip ( δ max ) c) The intermediate crack (IC) debonding load (P IC ) d) The bond length (L crit ) required to achieve the IC debonding load. Figure 2: Near surface mounted plate arrangement Concrete f c =40MPa Near surface mounted plate E FRP =180GPa 35mm plate thickness = 1.2mm Concrete f c =40MPa Externally bonded plate E FRP =180GPa 35mm plate thickness = 1.2mm
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