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Shear strength of textile reinforced concrete members
Lomič, Jiří ; Rypl, Rostislav (referee) ; Vořechovský, Miroslav (advisor)
The scope of the presented Diploma thesis was the establishment of calculation model for shear design of textile reinforced concrete members with rectangular cross-section. To accomplish this task, it was necessary to acquire the knowledge of the principles of shear design for steel reinforced concrete and existing design methods for textile reinforced concrete. Based on these principles, an experiment was designed as 3-point bending test to obtain values of acting shear force in textile reinforced concrete beams. These beams were filled with textile reinforcement made of carbon and alkali resistant glass and cast in the laboratory of the Solidian Company. An important factor for the experiment design was the a/d ratio which was constant for all tested beams. The value of acting shear force as well as of concrete compressive strength was obtained from each experiment. These values were used for the optimization of mathematical equation for the shear design of textile reinforced concrete members with rectangular cross-section. This equation was first analyzed to gain the knowledge of every influential factor. After, the coefficient CRm,c was determined from the experimental data using the methods of optimization. The problem statement resulted in the formula for shear design of textile reinforced concrete members with rectangular cross-section which may be applied with respect to the conditions of usability of the shear model.
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Arch bridge across the expressway
Vaněk, Štěpán ; Štefan, Petr (referee) ; Nečas, Radim (advisor)
The objective of this theses is arch bridge design over the expressway. Bridge is consist of bridge deck, which has three pillars and composite arc. The Bridge deck is on the edges fixed into the foundations and in the middle adherent on overhead cables. The bridge is carried by combination of strands and aerial cables mounted on reinforced concrete arch. Overhead cables are slant due to the transverse direction of the bridge in the longitudinal direction is in the direction of the arc. Model of the construction was made in a calculated program SCIA ENGINEER 2011. The designe is in accordance with applicable standards.
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Shear strength of textile reinforced concrete members
Lomič, Jiří ; Rypl, Rostislav (referee) ; Vořechovský, Miroslav (advisor)
The scope of the presented Diploma thesis was the establishment of calculation model for shear design of textile reinforced concrete members with rectangular cross-section. To accomplish this task, it was necessary to acquire the knowledge of the principles of shear design for steel reinforced concrete and existing design methods for textile reinforced concrete. Based on these principles, an experiment was designed as 3-point bending test to obtain values of acting shear force in textile reinforced concrete beams. These beams were filled with textile reinforcement made of carbon and alkali resistant glass and cast in the laboratory of the Solidian Company. An important factor for the experiment design was the a/d ratio which was constant for all tested beams. The value of acting shear force as well as of concrete compressive strength was obtained from each experiment. These values were used for the optimization of mathematical equation for the shear design of textile reinforced concrete members with rectangular cross-section. This equation was first analyzed to gain the knowledge of every influential factor. After, the coefficient CRm,c was determined from the experimental data using the methods of optimization. The problem statement resulted in the formula for shear design of textile reinforced concrete members with rectangular cross-section which may be applied with respect to the conditions of usability of the shear model.
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|
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Arch bridge across the expressway
Vaněk, Štěpán ; Štefan, Petr (referee) ; Nečas, Radim (advisor)
The objective of this theses is arch bridge design over the expressway. Bridge is consist of bridge deck, which has three pillars and composite arc. The Bridge deck is on the edges fixed into the foundations and in the middle adherent on overhead cables. The bridge is carried by combination of strands and aerial cables mounted on reinforced concrete arch. Overhead cables are slant due to the transverse direction of the bridge in the longitudinal direction is in the direction of the arc. Model of the construction was made in a calculated program SCIA ENGINEER 2011. The designe is in accordance with applicable standards.
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