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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Vodojemy - Brno, Žlutý kopec / Reservoirs - Brno, Zluty kopec (Yellow hill)

Menšíková, Kateřina Unknown Date (has links)
Master’s thesis focuses on area of historic water reservoirs on Yellow Hill, situated between streets of Tomešova and Tvrdého. They continued to supply Brno with non-potable water until 1997 and TIC is currently looking for a new way to make water reservoirs accesable and more interesting to the general public. Due to the existence of underground reservoirs the site has remained undeveloped and is covered with dense greenery. Thanks to that, the character of the place is in the context of the surrounding build-up area very unique. The proposal not only respects that, but seeks to support it. The whole area is undergoing through new landscape design and is completed by three single-storey pavilions, which with their various functions ensure the operation of the site. The historic buildings that were used to manage the underground reservoirs are renovated and integrated into the operation of the site. An important part of the design is also the solution of barrier-free access to reservoirs, their interconnection and installation of optical device - the Camery Obscury in the oldest of the reservoirs. The whole place becomes more accesible and attractive for visitors.
12

Experimental study on innovative connections for large span structural timber trusses

Werner Åström, Petter January 2019 (has links)
Large span timber trusses are usually built with glulam. One problem with large span glulam trusses is that the connections needed to transfer the load between truss members are often complex and expensive. Another issue is transportation. Building large span trusses out of structural timber instead, could be a way of simplifying the connections and at the same time increase the degree of on-site construction and thereby solving the transportation problem.In this study, a total of 18 laboratory tests were performed with the purpose of investigating the tensile strength and the load slip behavior of different connection designs for large span structural timber trusses. Six different test groups corresponding to six different connection designs were tested. The materials used include members made of C24 timber and gusset plates made of birch plywood, aluminum, and steel. Screws were used as fasteners for five test groups and adhesive was used for one group. The influence of different reinforcement techniques including reinforcement screws and added aluminum sheets was studied.The results showed a ductile failure behavior for all test groups except for the group where adhesive was used. However, a decrease of ductility was observed for groups were aluminum sheets were used on the outsides of the mid placed plywood gusset plate. A 12-17 % increase in capacity was observed due to the presence of aluminum sheets. The reinforcement screws had no significant effect on the capacity. However, the presence of reinforcement screws did lead to a reduction in scatter both regarding capacity and stiffness.
13

Proposta de um método de ensaio para o controle de qualidade na produção de elementos estruturais de MLC e LVL / Proposal of a test method for quality control in the MLC and LVL structural elements production

Nogueira, Rodrigo de Souza 11 April 2017 (has links)
Atualmente, as indústrias brasileiras recorrem a normas de outros países para o controle de qualidade para a caracterização de elementos estruturais feitos de Madeira Laminada Colada (MLC) e de LVL (Laminated Veneer Lumber) devido à ausência de especificações nacionais. Este trabalho teve como finalidade a verificação da adequação de alguns métodos de ensaios propostos nos projetos de norma ABNT NBR PN 02:126.10-001-3 e ABNT NBR PN 02:126.10-001-5 para determinar as propriedades dos elementos estruturais de madeira colada para o controle de qualidade da indústria produtora. Para tanto, foram obtidos das indústrias vários grupos de vigas de MLC e grupos de emendas dentadas produzidos com diversas combinações de madeiras e adesivos. Também, foram obtidos grupos de vigas de LVL na posição horizontal e grupos de vigas de LVL na posição de vertical. Foram realizados testes de flexão estática para determinação do módulo de ruptura e de elasticidade de todas as vigas. Além disso, das vigas foram retirados corpos de prova para realização dos ensaios de cisalhamento na linha de cola, delaminação e compressão paralela às fibras, enquanto as emendas dentadas foram analisadas pelo ensaio de tração paralela às fibras. Os procedimentos empregados podem ser considerados adequados para aplicação pelas indústrias no controle de qualidade da produção de elementos estruturais de MLC e de LVL. O ensaio de delaminação para adesivos expostos a ambientes externos, proposto no projeto de norma, pode ser analisado como prático e eficaz. Em relação aos testes de cisalhamento, o número de análises por amostra pode ser reduzido, desde que, priorize o ensaio na região central da seção transversal devido à maior concentração de tensões de cisalhamento. Como era esperado, as emendas dentadas formaram pontos de fragilidade, reduzindo a resistência de algumas vigas e tendo sua ruptura evidenciada por esforço de tração. No LVL, a posição vertical apresentou melhor resistência à flexão e ao cisalhamento do que a horizontal. O projeto de norma é apresentado em anexo nesse trabalho. / Nowadays, the Brazilian industries follow the foreign countries standard regulation to the quality control of characterization of structural elements produced from Glued Laminated Timber (glulam) and Laminated Veneer Lumber (LVL) due to the absence of national specifications. This work has the purpose of verifying the suggested methods of regulation projects, such as ABNT NBR PN 02:126.10-001-3 and ABNT NBR PN 02:126.10-001-5, to determine the properties of glued timber structural elements to quality control of producer industry. Therefore, glulam beams and fingerjoints groups, produced from several combinations of woods and adhesives, were obtained from industries. In addition, it was used flatwise LVL beams groups and edgewise LVL beams groups. It was made the static bending tests to determine strength and stiffness for each beam. Furthermore, from the beams it was extracted samples in order to test shear in the glue line, delamination and parallel grain compression whereas the fingerjoints were analysed by the parallel grain tensile test. The procedures taken on the experimental program can be considered suitable for industrial usage at quality control of production of structural elements from glulam and LVL. The delamination test for adhesive exposed to external environment, proposal in the new standard, can be analysed as practical and effective. In relation to the shear test, the number of analysis by sample can be reduced, whether prioritized the test in the central region of transversal section due to higher shear stress concentration. As expected, the fingerjoints formed fragile points, reducing strength for some beams and by presenting rupture when tensile stressed. In the LVL, the edgewise groups presented better bending and shear resistance than flatwise groups. The new test method is presented in annex in this dissertation.
14

Proposta de um método de ensaio para o controle de qualidade na produção de elementos estruturais de MLC e LVL / Proposal of a test method for quality control in the MLC and LVL structural elements production

Rodrigo de Souza Nogueira 11 April 2017 (has links)
Atualmente, as indústrias brasileiras recorrem a normas de outros países para o controle de qualidade para a caracterização de elementos estruturais feitos de Madeira Laminada Colada (MLC) e de LVL (Laminated Veneer Lumber) devido à ausência de especificações nacionais. Este trabalho teve como finalidade a verificação da adequação de alguns métodos de ensaios propostos nos projetos de norma ABNT NBR PN 02:126.10-001-3 e ABNT NBR PN 02:126.10-001-5 para determinar as propriedades dos elementos estruturais de madeira colada para o controle de qualidade da indústria produtora. Para tanto, foram obtidos das indústrias vários grupos de vigas de MLC e grupos de emendas dentadas produzidos com diversas combinações de madeiras e adesivos. Também, foram obtidos grupos de vigas de LVL na posição horizontal e grupos de vigas de LVL na posição de vertical. Foram realizados testes de flexão estática para determinação do módulo de ruptura e de elasticidade de todas as vigas. Além disso, das vigas foram retirados corpos de prova para realização dos ensaios de cisalhamento na linha de cola, delaminação e compressão paralela às fibras, enquanto as emendas dentadas foram analisadas pelo ensaio de tração paralela às fibras. Os procedimentos empregados podem ser considerados adequados para aplicação pelas indústrias no controle de qualidade da produção de elementos estruturais de MLC e de LVL. O ensaio de delaminação para adesivos expostos a ambientes externos, proposto no projeto de norma, pode ser analisado como prático e eficaz. Em relação aos testes de cisalhamento, o número de análises por amostra pode ser reduzido, desde que, priorize o ensaio na região central da seção transversal devido à maior concentração de tensões de cisalhamento. Como era esperado, as emendas dentadas formaram pontos de fragilidade, reduzindo a resistência de algumas vigas e tendo sua ruptura evidenciada por esforço de tração. No LVL, a posição vertical apresentou melhor resistência à flexão e ao cisalhamento do que a horizontal. O projeto de norma é apresentado em anexo nesse trabalho. / Nowadays, the Brazilian industries follow the foreign countries standard regulation to the quality control of characterization of structural elements produced from Glued Laminated Timber (glulam) and Laminated Veneer Lumber (LVL) due to the absence of national specifications. This work has the purpose of verifying the suggested methods of regulation projects, such as ABNT NBR PN 02:126.10-001-3 and ABNT NBR PN 02:126.10-001-5, to determine the properties of glued timber structural elements to quality control of producer industry. Therefore, glulam beams and fingerjoints groups, produced from several combinations of woods and adhesives, were obtained from industries. In addition, it was used flatwise LVL beams groups and edgewise LVL beams groups. It was made the static bending tests to determine strength and stiffness for each beam. Furthermore, from the beams it was extracted samples in order to test shear in the glue line, delamination and parallel grain compression whereas the fingerjoints were analysed by the parallel grain tensile test. The procedures taken on the experimental program can be considered suitable for industrial usage at quality control of production of structural elements from glulam and LVL. The delamination test for adhesive exposed to external environment, proposal in the new standard, can be analysed as practical and effective. In relation to the shear test, the number of analysis by sample can be reduced, whether prioritized the test in the central region of transversal section due to higher shear stress concentration. As expected, the fingerjoints formed fragile points, reducing strength for some beams and by presenting rupture when tensile stressed. In the LVL, the edgewise groups presented better bending and shear resistance than flatwise groups. The new test method is presented in annex in this dissertation.
15

Technické muzeum v Olomouci / The technical museum in Olomouc

Gelová, Michaela January 2018 (has links)
This diploma thesis deals with the design of the structure of the multi-storey building of the Technical Museum in Olomouc. This timber structure is made of glued laminated wood with the strenghts Gl24h and Gl32h. It is a complex of six adjoining buildings, which are shifted from one another in both transverse direction and the heigth. The ground plan dimensions of the parcel on which tha hal lis decomposed is 40 x 80 m. A complete static design solution, including its foundation, anchoring and selected type connections, has been solved.
16

Administrativní budova Bravia / Bravia administrative building

Jiruška, Daniel January 2019 (has links)
The aim of the Diploma thesis is the project documentation for the execution of the administrative building. This is an administrative building located on the outskirts of Letohrad. The building consists of one section that has three above-ground floors and one section that has only one above-ground floor. The building is used for administration, trade and storage. For administrative work is designed the three-storey part of the building and single-storey part of the building is designated for trade and storage. The main entrances to the building are located on its west side and the next entrances to the building is located on its southern side and northern side. The building is based on foundation strips and pads of plain concrete. The building is designed from a masonry structural system made of concrete blocks made of lightweight concrete and the third floor is partly designed as a timber structure made of wooden KVH squared timber. The ceiling structures are designed from prestressed ceiling panels. Roof structure above the main part of the building is designed two-stage pitched roof octagon shape and the roof above the single-storey part of the building is designed as warm flat extensive green roof.
17

Studie řešení stability dřevěných konstrukcí / Study of stability solution of timber structures

Hetver, Jan January 2015 (has links)
In this work is presented development of computational model of real timber truss in collapse state. The model was solved linearly and geometrically non-linearly and the results were evaluated. The aim was to depict the real behavior of the structure.
18

Rekreační jezdecké středisko / Recreational Riding Resort

Slavíková, Michaela January 2016 (has links)
This final thesis projects an areal of riding center with four objects. The first one is complex of stabels ,the second one is riding hall, , and the last two area family house and litte apartment for accomodation of employeers and visiters. For objects one and two is complete documentation, the other ones are processed as a studie. All the buildings are designed as a timber structure, the ridding hall is created by glue laminated timber girders.
19

Víceúčelový objekt v Olomouci / The Multipurpose Centre in Olomouc

Toman, Tomáš January 2017 (has links)
This diploma thesis deals with design of timber load-bearing structure of a Multi-functional object in Olomouc. This object has an eliptical ground plan with dimensions 50x30 metres and height of 11 metres. The idea of the shape is an eliptical dome. This dome was designed in two options, those are a Rib dome and a Föppel dome.
20

Mateřská škola / Kindergarten

Svobodová, Simona January 2017 (has links)
The topic of my diploma project considers a new building for a kindergarten in the city quarter Brno-Bystrc. The building lot where is the kindergarten located is rectangular in shape and is genty sloping. The building consists of a groundfloor only, without a basement and is solved as barrier-free. The kindergarten has 2 classrooms with the overal capacity of 50 children. On the west side of the plot is considered a parking lot for 13 cars, from here there is a sidewalk reaching the main gate and further the main entrance of the building. The structural wooden system use wooden wall panels NOVATOP. The foundation slab from reinforced concrete is layed on a glass foam granulate. The roof is designed as a green flat roof. The building has an atypical layout. The central part is raised and has a hexagonal contour, in its center is located a glazed atrium. On two sides of the hexagon are symmetrically located two more wings, which has a nearly rectangular shape. In front of the building is located a playground, faced to the south.

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