TY - GEN
T1 - FRP versus fiber reinforced cementitious mortar systems at elevated temperature
AU - Bisby, Luke
AU - Stratford, Tim
AU - Smith, Joanna
AU - Halpin, Sarah
PY - 2011/12/1
Y1 - 2011/12/1
N2 - Synopsis: Fiber reinforced cementitious mortar (FRCM) systems present a novel means of strengthening deficient concrete structures. They present a number of advantages over conventional externally bonded fiber reinforced polymer (FRP) systems. FRCM systems consist of open-weave polybenzoxozole (PBO) fabrics which are applied to structural elements, walls, domes, tunnels, or shells using cementitious mortars. They are breathable, non-combustible and non-flaming, and their performance in elevated service temperature environments is superior to common FRP systems. However, additional research on FRCM is needed, most importantly on their high temperature performance and their long term durability, before they can be widely applied with confidence. This paper reports on an ongoing experimental study into the performance of a specific FRCM system for concrete. Comparative tests on FRCM and FRP strengthened concrete prisms are presented. The superior performance of FRCM strengthening systems at temperatures between 50°C (122°F) and 80°C (176°F) is demonstrated. The effects of elevated service temperature environments on the bond between FRP strengthening systems and concrete are discussed.
AB - Synopsis: Fiber reinforced cementitious mortar (FRCM) systems present a novel means of strengthening deficient concrete structures. They present a number of advantages over conventional externally bonded fiber reinforced polymer (FRP) systems. FRCM systems consist of open-weave polybenzoxozole (PBO) fabrics which are applied to structural elements, walls, domes, tunnels, or shells using cementitious mortars. They are breathable, non-combustible and non-flaming, and their performance in elevated service temperature environments is superior to common FRP systems. However, additional research on FRCM is needed, most importantly on their high temperature performance and their long term durability, before they can be widely applied with confidence. This paper reports on an ongoing experimental study into the performance of a specific FRCM system for concrete. Comparative tests on FRCM and FRP strengthened concrete prisms are presented. The superior performance of FRCM strengthening systems at temperatures between 50°C (122°F) and 80°C (176°F) is demonstrated. The effects of elevated service temperature environments on the bond between FRP strengthening systems and concrete are discussed.
KW - Bond
KW - Concrete structures
KW - Fiber reinforced cementitious mortars
KW - FRPs
KW - High temperature
KW - Strengthening
UR - https://www.scopus.com/pages/publications/84863166054
M3 - Conference contribution
AN - SCOPUS:84863166054
SN - 9781618392039
T3 - American Concrete Institute, ACI Special Publication
SP - 863
EP - 881
BT - 10th International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures 2011, FRPRCS-10
T2 - 10th International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures 2011, FRPRCS-10, in conjunction with the ACI Spring 2011 Convention
Y2 - 2 April 2011 through 4 April 2011
ER -