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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.
1

Návrh nosné železobetonové konstrukce rodinného domu / Reinforced concrete structures of a family house

Bátrlová, Petra January 2019 (has links)
This diploma thesis concerns with a design of structure of a family house, garage and supporting wall. Design of these structures was accomplished id software SCIA Engineer, which uses finite element method and was veryfied by manual calculation. Design was ma-de in accordance with applicable standarts. The results are drawings of reinforcement of family house.
2

Statické řešení železobetonové konstrukce / Static solution of a reinforced concrete structure

Zedník, Tomáš Unknown Date (has links)
This diploma thesis deals with the design of a mountain hotel with a roof structure made of a reinforced concrete shell. During designing three types of design were assessed. The aim was to find out which of the design solutions is the most suitable for the behaviour of a reinforced concrete structure. The Dlubal RFEM program was used to assess and calculate the internal forces in the structure. In this thesis I also deal with the design and assessment of individual elements of the selected design solution. The thesis also includes drawings of construction plans and drawings of reinforcement plans.
3

Analyse par le calcul à la rupture de la stabilité au feu des panneaux en béton armé de grandes dimensions / Yield design based analysis of high rise reinforced concrete walls in fire

Pham, Duc Toan 15 December 2014 (has links)
Le présent travail propose et développe une méthode originale de dimensionnement vis-à-vis de l'incendie de parois de bâtiments industriels, en s'intéressant plus spécifiquement au cas des panneaux en béton armé de grande hauteur. Soumis à un fort gradient thermique, ces derniers subissent en effet des déplacements hors plan importants qui, du fait de l'excentrement du poids propre qui en résulte, vont engendrer des efforts de flexion venant s'ajouter aux efforts de compression déjà existants. Un tel changement de géométrie, d'autant plus prononcé que le panneau est de grande hauteur, combiné à une dégradation simultanée des propriétés de résistance des matériaux sous l'effet de l'élévation de température, peut conduire à un effondrement de la structure sous poids propre, bien avant par exemple l'apparition d'une instabilité de type flambement. L'approche proposée repose très largement sur la théorie du Calcul à la Rupture, appliquée d'une part à la détermination d'un diagramme d'interaction au feu caractérisant la résistance du panneau en chacune de ses sections, d'autre part à l'analyse de la ruine globale du panneau dans sa configuration déformée. Cette démarche est d'abord mise en œuvre et complètement explicitée dans le cas où le panneau peut être modélisé comme une poutre unidimensionnelle, conduisant à la détermination exacte d'un facteur adimensionnel caractérisant la stabilité de ce dernier. La généralisation de la méthode de calcul à la configuration plus réaliste, mais plus complexe, d'un panneau schématisé comme une plaque rectangulaire, est ensuite développée. Elle aboutit à un certain nombre de résultats préliminaires qui devront être confortés et affinés dans un travail ultérieur. L'approche théorique ici présentée est par ailleurs complétée par un volet expérimental (essais de flexion quatre points de dalles dans un four à maquette) qui a permis de valider au moins partiellement les évaluations du diagramme d'interaction prédites par le calcul / In this contribution, an original and comprehensive method aimed at designing vertical concrete walls submitted to fire loadings, is proposed and developed, with a special emphasis on high rise panels used in industrial buildings. Indeed, when subjected to high thermal gradients, such slender structures exhibit quite significant out-of-plane movements, resulting in an eccentricity of the gravity loads and thus to bending moments in addition to the pre-existing compressive forces. It is such a change of geometry, which is all the more pronounced as the panel is tall, combined with a temperature-induced degradation of the constituent materials strength properties, which may explain why an overall collapse of the structure may occur, well prior to buckling instability. The proposed approach is fundamentally based on the theory of yield design. This theory is first applied to the determination of an interaction diagram, characterizing the fire resistance of a reinforced concrete panel cross-section. It is then implemented as a design method for analysing the stability of the panel in its previously calculated deformed configuration. The whole procedure is explained in full details in the simplified situation when the high rise panel can be modeled as a one-dimensional beam, leading to the exact determination of a dimensionless factor characterizing the stability of the panel. The method is then extended to deal with a more realistic, but somewhat more complex, configuration of a rectangular panel. Some preliminary results, which need to be further validated in a subsequent work, are finally produced. As a necessary complement to the mostly theoretical and computational approach presented in this work, a series of four-point bending tests has been performed on reduced scale slabs placed in a furnace. The results of these tests partially validate the predicted interaction diagram of a fire loaded panel section
4

Zesílení nosných částí výrobní haly / Strenghtening of the load bearing parts of the production hall

Čížová, Kateřina January 2018 (has links)
The diploma thesis deals with the strenghtening of the supporting parts of the production hall in Drásov. In the first part the existing load bearing capacity of the structure is solved. The next step is to design of strenghtening variants for nonconforming columns and short corbel. Columns and short corbel are strenghtening with monostrand. At the end of the thesis, verification of the load bearing capacity of the strenghtening structure is performed.
5

Přístavba školy / Extension of School

Jirčík, Jakub January 2020 (has links)
The content of the thesis is a static design of the supporting parts of the extension of the textbook pavilion of the elementary school in Mirošov. The proposed building is a four-storey reinforced concrete monolithic column construction. The ceilings above the first three floors are designed as cross-reinforced slabs with internal girders. The roof slab consists of a monolithic slab with additionally prestressed beams. The internal forces were calculated using SCIA Engeneer 19.0 and these values were subsequently verified by manual calculation. The design followed the applicable European standards. The result of the work is a static assessment of the object and corresponding drawing documentation.
6

Nosná konstrukce nemocničního pavilonu / Load-bearing Structure of Hospital Pavilion

Hůrka, Jiří January 2015 (has links)
The thesis is focused on the design and assessment of selected elements of load-bearing structure of hospital pavilion. This pavilion consisted of board frame with additionally lined self-supporting perimeter cover. Selected elements of the structure are locally supported slab, columns, foundation pad and staircase . Computational model was assembled of the software RFEM5. Internal forces locally supported slab were verified by manual calculation. The design documentation consist of engineering report, structural analysis and shape and reinforcements drawings of selected structural elements.
7

Navrhování konstrukcí s FRP výztuží / Design of concrete structures with FRP reinforcement

Januš, Ondřej January 2016 (has links)
The diploma thesis presents design of construction with FRP reinforcement. Including design process of cross-section with FRP reinforcement exposed to bending moment and shear force at ultimate limite state according to given standards and guidelines. Long term physical and mechanical properties of FRPs are taking into account. There are also compared load capacities of cross-section exposed to combination of bending moment and axial force, which were designed according to mentioned standards. In another part of diploma thesis there is a design of construction (precast gatehouse) with FRP reinforcement and steel reinforcement with ordinary and lightweight concerete.
8

Nosná konstrukce vícepodlažního železobetonového objektu / The load bearing structure of multi-storey reinforced concrete builidng

Burda, Patrik January 2018 (has links)
The diploma thesis is focused on design on loadbearing reinforced concrete structure of multi-storey apartment building with shops and offices on the ground floor and underground garage. The thesis consists of the analysis and design of ceiling slabs above underground floor, supporting columns and the beam under the underground floor ceiling slab. Calculation 3D model was created to determine internal forces. All structures are designed according to EC2, ČSN EN 1992-1-1. The thesis includes elaboration of static calculation, shape drawings, drawings of reinforcement of solved structures. The rest of the project part are not analysed.
9

Vícepatrová skeletová konstrukce administrativní budovy / Reinforced concrete frame structure of multi-storey administrative building

Zdražilová, Pavlína January 2018 (has links)
This diploma thesis deals with design and assessment of selected parts of the reinforced concrete frame of multi-storey administrative building according to the ultimate and serviceability limit state. The aim of this thesis was to design and assess the reinforced concrete structure of a slab above the first floor, one column, a foundation pad and a staircase. In addition to the static calculation, drawing documentation is included. Internal forces were obtained from the 3D model created in computational software Scia Engineer 16.1.
10

Studie chování železobetonových sloupů zesílených ovinutím FRP tkaninou / Behaviour of reinforced concrete columns confined with FRP wrap

Niesner, Jakub January 2020 (has links)
Strengthening of reinforced columns confining by modern composite materials is effective method, allows quickly realized strengthening, without increase dimension of strengthening columns. Just like using reinforcing bars, is the mainly assumption for this method the multi-axis state tension and deducing confining pressure, which will increase strength of concrete. Improved of properties of confining concrete can be determined by using relationships, but there are considerably differences. This diploma theses, dealing with strengthening of circular reinforced columns confinement by external FRP fabric, compared approaches to design of reinforced concrete by confining and using the results of an analytical and numerical study to describe problem of confining concrete and compare factors influencing the final properties of the wrapped concrete.

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