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Flexural behaviour of thin textile reinforced concrete slabs enhanced by chemical prestressing
https://orcid.org/0000-0003-3847-3631
Abstract Textile reinforcement gains recently increasing attention within the civil engineering field, especially for thin concrete elements such as facade slabs. Chemical prestressing, a method of inducing stresses using concrete with expansive admixtures, is an approach to enhance the performance of such slabs and allow for the better cracking behaviour and higher utilization of material properties of the textile reinforcement. This method was applied for thin slabs with epoxy impregnated carbon textile reinforcement. The slabs were investigated in four point bending tests and their cracking pattern was analysed with distributed fibre optic sensors and digital image correlation method. Chemical prestress positively influenced the load at initial crack formation and the corresponding deflection.
Highlights Thin textile reinforced concrete slabs are subjected to chemical prestressing. Expansive concrete is used to enhance their behaviour under flexural load. Chemical prestress positively influences the load at initial crack formation. Strains of concrete and textile are measured with distributed fibre optic sensors. Cracking pattern is analysed with digital image correlation method.
Flexural behaviour of thin textile reinforced concrete slabs enhanced by chemical prestressing
https://orcid.org/0000-0003-3847-3631
Abstract Textile reinforcement gains recently increasing attention within the civil engineering field, especially for thin concrete elements such as facade slabs. Chemical prestressing, a method of inducing stresses using concrete with expansive admixtures, is an approach to enhance the performance of such slabs and allow for the better cracking behaviour and higher utilization of material properties of the textile reinforcement. This method was applied for thin slabs with epoxy impregnated carbon textile reinforcement. The slabs were investigated in four point bending tests and their cracking pattern was analysed with distributed fibre optic sensors and digital image correlation method. Chemical prestress positively influenced the load at initial crack formation and the corresponding deflection.
Highlights Thin textile reinforced concrete slabs are subjected to chemical prestressing. Expansive concrete is used to enhance their behaviour under flexural load. Chemical prestress positively influences the load at initial crack formation. Strains of concrete and textile are measured with distributed fibre optic sensors. Cracking pattern is analysed with digital image correlation method.
Flexural behaviour of thin textile reinforced concrete slabs enhanced by chemical prestressing
https://orcid.org/0000-0003-3847-3631
Abstract Textile reinforcement gains recently increasing attention within the civil engineering field, especially for thin concrete elements such as facade slabs. Chemical prestressing, a method of inducing stresses using concrete with expansive admixtures, is an approach to enhance the performance of such slabs and allow for the better cracking behaviour and higher utilization of material properties of the textile reinforcement. This method was applied for thin slabs with epoxy impregnated carbon textile reinforcement. The slabs were investigated in four point bending tests and their cracking pattern was analysed with distributed fibre optic sensors and digital image correlation method. Chemical prestress positively influenced the load at initial crack formation and the corresponding deflection.
Highlights Thin textile reinforced concrete slabs are subjected to chemical prestressing. Expansive concrete is used to enhance their behaviour under flexural load. Chemical prestress positively influences the load at initial crack formation. Strains of concrete and textile are measured with distributed fibre optic sensors. Cracking pattern is analysed with digital image correlation method.
Flexural behaviour of thin textile reinforced concrete slabs enhanced by chemical prestressing
Zdanowicz, Katarzyna (author) / Marx, Steffen (author)
Engineering Structures ; 256
2022-01-22
Article (Journal)
Electronic Resource
English
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