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Testing Research on Performance of Strengthening Concrete Column with Carbon Fiber Sheet

Author: LiuQingXia
Tutor: GaoDanYing
School: Zhengzhou University
Course: Hydraulic Engineering
Keywords: Carbon fiber Freeze-thaw environment Reinforcing way
CLC: TU375.3
Type: Master's thesis
Year: 2005
Downloads: 128
Quote: 6
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Abstract


Freeze-thaw conditions under carbon fiber sheet reinforced concrete column performance , by contrast to the case of room temperature and freeze-thaw cycle , durability study sheet of carbon fiber reinforced concrete column . The main results of the study are as follows : 1 , 28 carbon fiber sheet specimens at room temperature , freezing and thawing 50 times , 75 times , 100 times the test to study the impact of the freeze-thaw cycles on the tensile properties of carbon fiber sheet , including anti- The tensile strength, elastic modulus and elongation . 2 , 20 carbon fiber sheet and concrete specimens positive pull bond strength test to study the positive pull the bond strength between carbon fiber sheet and concrete and freezing and thawing is pull the bond strength . 3 , at room temperature , freezing and thawing 50 times , 75 times , 100 times environment under 8 carbon fiber sheet and concrete side pull bond strength test specimen to study the bond between the carbon fiber sheet and concrete specimens slip pull the bond strength , shear strength , understanding of freezing and thawing conditions on carbon fiber sheet and concrete specimens side . 4, at room temperature , freezing and thawing 50 times , freezing and thawing 75 times , freeze-thaw 100 environmental effects , a total of 40 carbon fiber sheet reinforced concrete column test specimen sheet of carbon fiber reinforcement , including striped , full the wrapped two forms of freeze-thaw environment of the carbon fiber sheet reinforced concrete columns , including circumferential strain of the carbon fiber sheet , the longitudinal displacement of the concrete columns , cracking load , ultimate compressive strength , freeze-thaw situation effective reinforcement of concrete columns reinforced with carbon fiber sheet . The results of this study provide a reference for our carbon fiber sheet reinforced concrete structure .

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CLC: > Industrial Technology > Building Science > Building structure > Concrete structure,reinforced concrete structure > Reinforced concrete structures > Column
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