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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

On The Use Of Polyurethane Matrix Carbon Fiber Composites For Strengthening Concrete Structures

Haber, Zachary 01 January 2010 (has links)
Fiber-reinforced polymer (FRP) composite materials have effectively been used in numerous reinforced concrete civil infrastructure strengthening projects. Although a significant body of knowledge has been established for epoxy matrix carbon FRPs and epoxy adhesives, there is still a need to investigate other matrices and adhesive types. One such matrix/adhesive type yet to be heavily researched for infrastructure application is polyurethane. This thesis investigates use of polyurethane matrix carbon fiber composites for strengthening reinforced concrete civil infrastructure. Investigations on mirco- and macro-mechanical composite performance, strengthened member flexural performance, and bond durability under environmental conditioning will be presented. Results indicate that polyurethane carbon composites could potentially be a viable option for strengthening concrete structures.
2

Šiuolaikiniais maišytuvais gaminamo asfaltbetonio mišinių kokybės gerinimo galimybių analizė / Analysis of posibility to make better quality asphalt concrete mixes in modern asphalt concrete mixers

Gulbinas, Gediminas 12 June 2005 (has links)
This paper covers the analysis of the main asphalt concrete production technological processes. It includes calculation of dosed materials for the two asphalt concrete mixes, as well as precision and stability of maintenance of temperature, necessary for the technological process. The above calculation is made following the production data printed by the mixer's printer. These data were divided into four groups: shift, week, month, season. This paper includes statistical indexes that reflects technological process of the asphalt concrete mixer: the arithmetical averages of real doses, temperatures and mixing time , the average square deviations Sq, variation's coefficients V etc. The methods, described in this paper, can be used for improvement of the normative documents and the quality control of produced asphalt concrete mixture. The paper consists of 143 pages and 129 drawings (some of them are in the addition) . The list of literature includes 29 bibliographic editions.
3

Polyfunkční dům / Polyfunctional building

Michna, Patrik January 2017 (has links)
The assignment of my diploma thesis was to design a polyfunctional building. Function of the building is based on the requirements of the Land Use Plan Brno, cadastral zone Židenice. The aim of the design was to improve the quality of public space in the area by creating parks, urban parterre with services, parking and by bringing missing features to the area. The building is located in the centre of the plot. The main facade is oriented to the main street. Design creates new parking on the ground and in the underground garage. On the first floor are rentable spaces for commerce and services. At 2nd and 3rd floor are open space offices with the possibility of spatial variability solutions. Architectural expression of the building is simple, consisting as a compact mass with parterre subsided, useful in terms of energetical sustainability. The facade of the building is made as a combination of a transparent double skin facade and opaque ventilated facade with fibre cement panels. Structural system is a precast concrete frame with a cast-in-place reinforced concrete shear core. Foundation is made as a reinforced concrete pads and strips. Ceiling is made of a precast prestressed hollow core slabs.
4

Městské lázně / The Municipal Baths

Tunková, Martina January 2010 (has links)
"The sick body needs a doctor friend sick souls." (Menandros)

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