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Design and performance diagnostics of building
Dušek, Erik ; Žítt, Petr (referee) ; Daněk, Petr (advisor)
The bachelor’s thesis deals with diagnostics of a reinforced concrete road bridge, evidential number 325-021 in Hostinné, Hradec Králové region. The goals are to design and partially execute a diagnostic examination. As a part of the thesis, there is a visual inspection of the bridge and survey of the existing design documentation. The conclusion is dedicated to evaluating the diagnostic results and outlining reconstruction.
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Calibration of indirect methods for maesurement of properties of alkali activated concretes
Vrba, Pavel ; Kocáb, Dalibor (referee) ; Bílek, Vlastimil (advisor)
This work solves creation of calibration relations to determine cube compressive strength, dynamic and static elastic modulus of alkali-activated concrete by non-destructive methods. Alkali-activated concrete is spoken of as a new material used in civil engineering. It shows different properties than normal concrete based on Portland cement. That's why the modification of common calibration relation seems necessary. Fresh concrete was made in the concrete plan ŽPSV a.s., Uherský Ostroh in three mixtures and always in the number of 18 cubes and 3 prisms. The samples were tested by impact hammer Schmidt type L, type N, SilverSchmidt PC-N and by ultrasound in 6 time periods of three specimens. After that, the cube compressive strength was determined. Status of static elastic modulus was determined in a time period of 28 days. The results are calibration relations to determine the progress of compressive strength and modulus of elasticity for each method and their combination.
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Calibration of indirect methods for maesurement of properties of alkali activated concretes
Vrba, Pavel ; Kocáb, Dalibor (referee) ; Bílek, Vlastimil (advisor)
This work solves creation of calibration relations to determine cube compressive strength, dynamic and static elastic modulus of alkali-activated concrete by non-destructive methods. Alkali-activated concrete is spoken of as a new material used in civil engineering. It shows different properties than normal concrete based on Portland cement. That's why the modification of common calibration relation seems necessary. Fresh concrete was made in the concrete plan ŽPSV a.s., Uherský Ostroh in three mixtures and always in the number of 18 cubes and 3 prisms. The samples were tested by impact hammer Schmidt type L, type N, SilverSchmidt PC-N and by ultrasound in 6 time periods of three specimens. After that, the cube compressive strength was determined. Status of static elastic modulus was determined in a time period of 28 days. The results are calibration relations to determine the progress of compressive strength and modulus of elasticity for each method and their combination.
|
|
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Design and performance diagnostics of building
Dušek, Erik ; Žítt, Petr (referee) ; Daněk, Petr (advisor)
The bachelor’s thesis deals with diagnostics of a reinforced concrete road bridge, evidential number 325-021 in Hostinné, Hradec Králové region. The goals are to design and partially execute a diagnostic examination. As a part of the thesis, there is a visual inspection of the bridge and survey of the existing design documentation. The conclusion is dedicated to evaluating the diagnostic results and outlining reconstruction.
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