Abstract
Most of the recent research on the bond characteristics of the concrete-FRP interface involves short-term behavior which may not be indicative of bond behavior following sustained forces on the adhesive joint, particularly in the case of ambient-curing adhesives which can take weeks to reach their full strength capability. The objective of the research effort is to investigate the effects of sustained loads and various temperatures on the bond behavior of FRP sheets bonded to concrete. The approach involves experiments and numerical analysis. The model was parameterized with experiments on the concrete, FRP, interface, and epoxy. Good correlation was seen between the numerical simulations and pull-off experiments. Parametric studies shed light on the influence of temperature, epoxy modulus, and epoxy thickness on the redistribution of interfacial shear stress during sustained loading. This investigation confirms the hypothesis that interfacial stress redistribution can occur due to sustained load and elevated temperature and its effect can be significant.
| Original language | English (US) |
|---|---|
| Title of host publication | 10th International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures 2011, FRPRCS-10 |
| Pages | 1149-1165 |
| Number of pages | 17 |
| Volume | 2 |
| Edition | 275 SP |
| State | Published - Dec 1 2011 |
| Event | 10th International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures 2011, FRPRCS-10, in conjunction with the ACI Spring 2011 Convention - Tampa, FL, United States Duration: Apr 2 2011 → Apr 4 2011 |
Other
| Other | 10th International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures 2011, FRPRCS-10, in conjunction with the ACI Spring 2011 Convention |
|---|---|
| Country | United States |
| City | Tampa, FL |
| Period | 4/2/11 → 4/4/11 |
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All Science Journal Classification (ASJC) codes
- Civil and Structural Engineering
- Building and Construction
- Materials Science(all)
Cite this
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Evaluation of time and temperature dependent deformation of FRP bonded to concrete. / Jeong, Yoseok; Jaipuriar, Anurag; Lopez, Maria M.; Bakis, Charles E.
10th International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures 2011, FRPRCS-10. Vol. 2 275 SP. ed. 2011. p. 1149-1165.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
TY - GEN
T1 - Evaluation of time and temperature dependent deformation of FRP bonded to concrete
AU - Jeong, Yoseok
AU - Jaipuriar, Anurag
AU - Lopez, Maria M.
AU - Bakis, Charles E.
PY - 2011/12/1
Y1 - 2011/12/1
N2 - Most of the recent research on the bond characteristics of the concrete-FRP interface involves short-term behavior which may not be indicative of bond behavior following sustained forces on the adhesive joint, particularly in the case of ambient-curing adhesives which can take weeks to reach their full strength capability. The objective of the research effort is to investigate the effects of sustained loads and various temperatures on the bond behavior of FRP sheets bonded to concrete. The approach involves experiments and numerical analysis. The model was parameterized with experiments on the concrete, FRP, interface, and epoxy. Good correlation was seen between the numerical simulations and pull-off experiments. Parametric studies shed light on the influence of temperature, epoxy modulus, and epoxy thickness on the redistribution of interfacial shear stress during sustained loading. This investigation confirms the hypothesis that interfacial stress redistribution can occur due to sustained load and elevated temperature and its effect can be significant.
AB - Most of the recent research on the bond characteristics of the concrete-FRP interface involves short-term behavior which may not be indicative of bond behavior following sustained forces on the adhesive joint, particularly in the case of ambient-curing adhesives which can take weeks to reach their full strength capability. The objective of the research effort is to investigate the effects of sustained loads and various temperatures on the bond behavior of FRP sheets bonded to concrete. The approach involves experiments and numerical analysis. The model was parameterized with experiments on the concrete, FRP, interface, and epoxy. Good correlation was seen between the numerical simulations and pull-off experiments. Parametric studies shed light on the influence of temperature, epoxy modulus, and epoxy thickness on the redistribution of interfacial shear stress during sustained loading. This investigation confirms the hypothesis that interfacial stress redistribution can occur due to sustained load and elevated temperature and its effect can be significant.
UR - http://www.scopus.com/inward/record.url?scp=84856825587&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84856825587&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84856825587
SN - 9781618392039
VL - 2
SP - 1149
EP - 1165
BT - 10th International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures 2011, FRPRCS-10
ER -