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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.
51

Odstředivá brzda motoru pro pneumatikový válec / Centrifugal motor brake for pneumatic compactor

Vít, Jakub January 2015 (has links)
The aim of my thesis is the design of centrifugal brakes to prevent twisting of the combustion engine with pneumatic compactor. In the first part of my thesis I deal with existing and similar systems that prevent over speeding. In the second part I deal with the design of its own centrifugal brake. This includes basic functional, strength, thermal calculation, design of components and fabrication drawings according to the assignment.
52

Spolehlivost bezolovnatých pájek a vybrané způsoby odhadu jejich životnosti / Reliability of Lead-free Solders and the Selected Methods to Estimate its Lifetime

Švecová, Olga January 2012 (has links)
The doctoral thesis is focused on reliability of lead-free solder SAC 305. Knowledge in the field of fatigue models used in determining the lifetime of solder joints are observed in this thesis. Also such methods of predicting reliability as numerically-analytical methods or reliability experimental tests are mentioned. Practical results of reliability measurement are presented. Experimental data served as the foundation for determining empirical coefficients for the fatigue model based on deformation induced by creep of the solder, which was implemented in the ANSYS environment. Results from different methods were compared and conclusions discussing the suitability of the presented prediction methods are formulated.
53

Knihovna / Library

Drinková, Natalie January 2022 (has links)
The subject of this diploma thesis is the design of a new library and the elaboration of project documentation for the construction. The library is located on the outskirts of the village Jiříkovice on a flat plot. The building is designed as a detached building with an underground floor and two above-ground floors. The individual floors are connected by staircases and a lift. The above-ground part of the building contains library, office part and café. The underground part of the building contains archive, stores and technical facilities. The structural system of a building is designed from cast-in-place concrete frame with filling from ceramic blocks. Horizontal structural system is from cast-in-place reinforced concrete point-supported slabs. Part of facade is from wood and part is with contact thermal insulation system with mineral wool insulation. Roof construction is designed as flat green roof.
54

Veterinární klinika / Veterinary clinic

Mrázková, Eva January 2022 (has links)
The aim of the master´s project is to provide designs for building permission for a nearly zero-energy veterinary clinic. It is a detached building with two aboveground floors. There are three clinics, one operating rooms, laboratory and staff facilities in the building. First part presents the design of building structure, The superstructure is based on strip foundations made of reinforced concrete in combination with pre-cast permanent formwork made of concrete blocks. The structural system is designed as a masonry system from clay masonry with columns from reinforced concrete. The external walls are load-bearing and covered with thermal insulation and ventilated facade. The floor and roof bearing structure is made of prefabricated concrete slabs. The building is covered with a warm flat green roof. Second part includes the design of building services as lighting, heating, heat recovery ventilation unit. These processes are together shown in a global scheme. Third part is focused on Life cycle assessment of three different flat roof assemblies to compare how they affect the environment. It uses a functional unit 1m2 of a flat roof to define parameters and show how big impact they have on the environment. The project was elaborated using Revit, AutoCad, Deksoft, Building design, GaBi a Lumion software.
55

Why monitoring doesn't always matter : the situational role of parental monitoring in adolescent crime

Hardie, Beth Nicole January 2017 (has links)
Parental monitoring of settings is not always relevant for the prevention of adolescent crime because adolescents with strong personal moral rules and the ability to exercise self control are unlikely to offend even when they are unsupervised and know that their parents have little knowledge about their activities. Parental monitoring, commonly operationalised as parental supervision or parental knowledge, is often shown to have a negative relationship with crime involvement. However, research often ignores both the mechanism by which these relationships occur and the conditions under which they might (and might not) be found. This thesis uses specialist Space-Time Budget data (from the Peterborough Adolescent and Young Adult Development Study) to allow the comparison of adolescent crime rates in settings characterised by the of convergence of i) the physical presence or absence of parents and other guardians, ii) the psychological presence or absence of parents (represented by adolescent-perceived generalised parental knowledge of the circumstances of unsupervised activity) and iii) personal crime propensity (moral rules and ability to exercise self control). The conclusion derived from the results is that the physical presence of parents and other guardians in settings reduces the rate of adolescent crime committed in those settings; and the psychological presence of parents reduces the criminogenic impact of unsupervised time. Crucially however, these effects of parental monitoring are almost irrelevant for adolescents with a lower personal crime propensity, who are not likely to offend in settings irrespective of the physical or psychological absence of parents and other guardians. These findings provide support for person-environment interactions inherent in the causal model of Situational Action Theory, and provide a novel addition to evidence that could be used in future to inform policy-relevant recommendations concerning parenting behaviour and adolescent offending. Although this thesis provides new evidence about the relationship between parental monitoring and crime, the bulk of its contribution is relevant to a much wider audience. It contributes to the debate on approaches to the study of crime and crime prevention, adds clarity to key concepts and develops theoretical arguments in the field of parental monitoring and crime, develops a novel application of Situational Action Theory, extends theoretical and methodological discussions surrounding situational analysis, applies novel data and analytical methods to the study of the psychological and physical presence of guardians, generates and situates unique findings about the situational role of aspects of parental monitoring and crime, and makes some policy recommendations and suggestions about the nature and direction of future research.
56

Sportovní centrum / Sports Centre

Sauer, Vít January 2018 (has links)
The content of the master´s thesis is new building sports hall of ball sports. This building has contains no cellar and three above-ground floors. In ground floor, there are playing area, changing rooms, relevant functional facilities including utility rooms. The first floor is completely reserved for spectators, there are tribune for sitting spectators, gallery for standing spectators, hygienic rooms and buffet for spectators. In the third floor, there are rooms for VIP spectators, briefing room, head office of sports hall including conference room, spaces for TV transmission, hygienic rooms and utility room. Object is based on concrete foundation pads and strips foundation. Structural system of the object is combination of column system from cast-inplace reinforced concrete and wall system from brickwork. Floor structures over above the first and second floor are designed as castin- place reinforced concrete, floor structure above the third floor is folded from wood beams. Loadbearing structure of roof is system of glue laminated timber girders, roof cladding is mechanically anchored.
57

Přestavba mateřské školy / Conversion of nursery school

Piškulová, Veronika January 2018 (has links)
The diploma thesis deals with project documentation of new kindergartens in the cadastral area Rohatec. The building is self-standing, two-storey with a partial basement. It is a building designed for the upbringing and education of pre-school children. The capacity of kindergarten is 48 children divided into two classes. Part of the operation is a food preparation zone. The building is designed as a brick made of porous concrete blocks with mineral insulation, based on basic concrete passages. The roofing of the kindergarten is using warm flat roofs.
58

Průmyslový areál s administrativní budovou / Industrial Park with Aministration Building

Krupa, Jakub January 2018 (has links)
This master thesis focuses on the design and elaboration of project documentation for the purpose of constructing Industrial park with administration building consisting of two parts, SO 01 – Administration building and SO 02 – Industrial building. The two objects are situated on the plot No. 715/1, in the cadastre unit Vrbno pod Pradědem located on an undeveloped land of the investor. The exit from the parking lot connects to the local traffic infrastructure. Public infrastructure leads in proximity to the land. The design of the construction respects local zoning plan. Project documentation was made in compliance with up-to-date requirements according to valid standards and regulations. The building is functionally divided into two objects, SO 01 and SO 02, which are operationally and structurally connected. Constructions of both objects are statically independent. The object SO 01, partially accessible to the public, is used for administrative tasks and staff facilities. Also, there is a sample room available to the public, gatehouse and warehouses. The object SO 02 is purposed for the production of plastic windows and solar panels. It mainly consists of areas used for production, but there is also an office for the master, a machine room for heating, ventilating and air conditioning (HVAC) and staff facilities. The object SO 01 is designed from a wall structural system from clay masonry, clay ceilings, strip foundation and a flat roof. The object SO 02 is designed as a full-metal prefabricated object with a saddle roof and foundation pads. The construction system of this object consists of steel columns. Plan dimensions of SO 01 are 25x14 metres. Building envelope is made from clay blocks, 440 mm in width, filled with mineral wool. Plan dimensions of SO 02 are 66,9x22,9 metres. Object’s curtain walling is made from prefabricated sandwich panels containing a core from PUR material.
59

Skladovací areál s administrativní budovou / Storage area with administrative building

Šesták, Tomáš January 2019 (has links)
This master thesis focused on the design and elaboration of project documentation for the purpose of a storage area with an administrative building, consisting of the premises SO 01 - storage hall and SO 02 - administrative building. Objects are located on parcels no. 4006/16, 4006/17, 4006/18, 4006/19, 4006/23, 4006/24, 4006/26, 4006/27, 4006/28, 4006/29, 4006/30, 4006/31, 4006/32, in the cadastre unit Dolní Bojanovice. They are located on an investor's land. Traffic connection is provided by the exit from the car park on the local road. All engineering infrastructure engineering networks are located near the site. The design of the building respects the local zoning plan. Project documentation is prepared in accordance with the current wording of applicable laws, decrees and standards. The project solves the structure functionally divided into objects SO 01 and SO 02, which are both operationally and structurally connected. The construction of objects is statically independent. The object SO 01 is designed for the storage of building material intended for storage in dry rooms. In addition to the storage space there is the air-conditioning machine room. The SO 02 facility serves administrative and staffing facilities. In the basement of the building there are rooms of technical background and archives. The SO 01 is designed as a full-metal mounted object with a counter roof and foundation pads. The design system of the SO 01 object is columnar with steel columns. The SO 02 building is designed from a wall construction system made of aerated concrete blocks with reinforced concrete ceilings, base strips and a flat roof. The SO 01 has a 65.5x20.2 m ground plan. The perimeter shell of the building consists of assembled sandwich panels with a core of pure material. The largest ground plan dimensions of the so 02 are 26.75x10.35 m. The perimeter shell is made up of 375 mm piece concrete blocks with a 150 mm contact system.
60

Vysokoškolské koleje / University dormitories

Kubínová, Veronika January 2019 (has links)
The diploma thesis deals with project of a new building of university dormitories in the city center of Brno. It is detached building with basement and four above-ground floors with the irregular rectangular shape. Dormitories can be divided into three fundamental parts. The underground garages can be considered as the first part. Parking places are designed only for students, occasional visitors, and employees. In the underground floor, technical rooms and large warehouse can be found. The second part is designed to the general public including association areas such as reception, coffee-house with outdoor terrace, copy center and tobacco shop. Rooms for students, manager offices, repairman’s room, and laundry can be found in the third part. In total there are 44 two-person rooms and one room for a disabled person on the second floor. The structural system of the building is a cast-in-place concrete frame with a filling of ceramic fittings. The external wall is insulated with mineral wool with a ventilated facade and fiber-cement facade tiles. The building is based on base piles with a pile under each pillar. Vegetation covers a flat roof as well as a part of the north side of the facade. There will also be a public park and two volleyball fields in the area.

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