National Repository of Grey Literature 41 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Diagnostic methods for the evaluation of the state of timber structures
Nguyen, Martin ; Anton, Ondřej (referee) ; Heřmánková, Věra (advisor)
This bachelor‘s thesis is focused on description and evaluation of selected diagnostic methods used for a survey of timber structures. The first part describes the structure and properties of wood, damaged by external factors and protection. Another part provides a description of non-destructive, semi-destructive and destructive methods of diagnosis. The practical part applies the selected diagnostical methods on specific particular element of a wooden construction. The aim of this bachelor’s thesis is to become familiar with the survey proces timber elements, verification and their application in practice.
The influence of the change of moisture content of timber on its physical-mechanical properties
Sloupenský, David ; Stehlík, Michal (referee) ; Heřmánková, Věra (advisor)
The bachelor thesis deals with finding of physical and mechanical properties of timber at various moistures and it also verifies addictions of single properties on moisture content of timber. In experimental part of this thesis, the density, the dimensional and volumetric swelling and the compressive strength parallel to fibre will be determined on test samples. After evaluating all the tests, the graphs of these parameters depended on various samples of wood moisture determined by weight will be created.
Diagnostic methods for the evaluation of the state of a timber structure
Balas, Ondřej ; Anton, Ondřej (referee) ; Heřmánková, Věra (advisor)
This thesis is focused on the description and evaluation of selected diagnostic methods used for a survey of timber structures in the field. The first part of the thesis describes a structure and characteristics of wood; the other part provides a description of diagnostic methods followed by determination a level of injury and verification material characteristics of the particular element in the timber structure. The main aim of the thesis is to compare the diagnostic methods for the evaluation of the state of timber structures and verification of their application in practice.
The influence of the change of moisture content of timber on its physical-mechanical properties
Novák, Jakub ; Komárková, Tereza (referee) ; Heřmánková, Věra (advisor)
This bachelor thesis deals with the physical and mechanical properties of spruce wood at different humidity and verifies the individual properties, depending on the humidity of the wood. The theoretical part of this work is focused on the description and characteristics of the general characteristics and structure of wood. The practical part deals with the testing and measuring of wood samples at different moisture and evaluate the physical and mechanical properties. Finally, static calculation verifies difference resistance of structural members stressed bend at different humidities.
Diagnostic methods for the evaluation of the state of a timber structure
Rusz, David ; Komárková, Tereza (referee) ; Heřmánková, Věra (advisor)
This thesis is focused on implementation and subsequent evaluation of selected diagnostic methods for a survey of timber structure. The first part of thesis describes wood structure and characteristics, the next part is about diagnostic methods followed by diagnostics of specific element of timber structures. The main aim of the thesis is to compare nondestructive, minor destructive and destructive methods for timber structures and their application in the practice.
The methodology of survey and diagnostic methods for the assessment of the state of timber structure
Suchánková, Zuzana ; Anton, Ondřej (referee) ; Heřmánková, Věra (advisor)
The bachelor thesis is focused on study of diagnostic methods and methods of research of wooden elements condition. Theoretical part describes composition and quality of wood, its destroying factors and protection against them. In other part individual diagnostic methods are analysed and they try to describe metodology of research in in-sit. Second analytical parts apply selected diagnostical methods on particular wooden elements that are taken out from construction. The goal of the bachelor thesis is explanation of procedure of wooden elements research. Comparison of individual diagnostic methods that are used for wooden elements is another part of goal.
The influence of the change of moisture content of timber on its physical-mechanical properties
Dziadková, Aneta ; Anton, Ondřej (referee) ; Heřmánková, Věra (advisor)
This bachelor thesis determines mechanical and physical properties of timber in different state of water absorption. Three sets of samples will be used to define their density, dimensional and volume swelling ratio, compressive strength and bending tensile strength. As an evaluation, properties obtained from testing will be graphically illustrated depending on moisture content.
Evaluation of the condition of structural timber using resistance drilling technology
Dziadková, Aneta ; Anton, Ondřej (referee) ; Heřmánková, Věra (advisor)
The aim of this master thesis is to summarize the overview about characteristics and properties of timber and about diagnostic methods used for timber structures prospecting. Experimental part is focused on comparison of drill resistance measurement using Rinntech RESISTOGRAPH for samples at different moisture levels. This paper also includes building survey of roof truss of Litomyšl‘s library and structural report of rafter.
The results of diagnostic methods for timber structures, depending on the wood moisture
Turek, František ; Komárková, Tereza (referee) ; Heřmánková, Věra (advisor)
Bachelor‘s thesis is focused on physical and mechanical features of wood by using nondestructive methods with a different moisture of timber structures and verifying the results with a practical testing. The purpose of the thesis is creation and evaluation all tests depending on timber moisture and strenght of material in graphical tables.

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