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National Repository of Grey Literature 2 records found  Search took 0.02 seconds. 
The verification of the time development of the concrete elastic modulus and the compressive strength
 Alexa, Martin ; Cikrle, Petr (referee) ; Kocáb, Dalibor (advisor)
Especially in the early days of curing concrete for structures sensitive on deformation. Same like bridges of prestressed concrete a substantial knowledge of the exact value of the modulus of elasticity that could prevent excessive deformation. In this work we validates the development of concrete modulus of elasticity (in the first 28 days), which is used for the construction of bridges on the highway D1 near Ružomberok. To understand this issue was made a literature review and conducted experiment, which follows the time development of the concrete compressive strength and modulus of elasticity of concrete. Except the determination of modulus of elasticity in the experiment was investigated a dynamic moduli by an ultrasonic pulse method and the resonance method and the experiment was also performed by rebound hammer. The results can serve to verify the development of the modulus of elasticity on the actual structure.
Detailed record
The verification of the time development of the concrete elastic modulus and the compressive strength
 Alexa, Martin ; Cikrle, Petr (referee) ; Kocáb, Dalibor (advisor)
Especially in the early days of curing concrete for structures sensitive on deformation. Same like bridges of prestressed concrete a substantial knowledge of the exact value of the modulus of elasticity that could prevent excessive deformation. In this work we validates the development of concrete modulus of elasticity (in the first 28 days), which is used for the construction of bridges on the highway D1 near Ružomberok. To understand this issue was made a literature review and conducted experiment, which follows the time development of the concrete compressive strength and modulus of elasticity of concrete. Except the determination of modulus of elasticity in the experiment was investigated a dynamic moduli by an ultrasonic pulse method and the resonance method and the experiment was also performed by rebound hammer. The results can serve to verify the development of the modulus of elasticity on the actual structure.
Detailed record

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