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Floor layout problemsShen, Chuin Sheng. January 1980 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1980. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 113-117).
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A floor space valuation method for automotive electronics manufacturingSarpkaya, Gokhan, Evans, John L., January 2009 (has links)
Thesis (Ph. D.)--Auburn University. / Abstract. Vita. Includes bibliographical references (p. 154-160).
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Modifications to the systematic layout planning procedure to allow departmental division and irregularly shaped subdepartments /Martin, Stephen E. January 2004 (has links)
Thesis (M.S.)--Ohio University, August, 2004. / Includes bibliographical references (p. 61-63).
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Modifications to the systematic layout planning procedure to allow departmental division and irregularly shaped subdepartmentsMartin, Stephen E. January 2004 (has links)
Thesis (M.S.)--Ohio University, August, 2004. / Title from PDF t.p. Includes bibliographical references (p. 61-63)
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Avaliação do uso da macrofibra polimérica na composição de concreto para fins estruturais / Evaluation of the use of polymeric macrofiber in the concrete composition for structural purposesLeite, Alex Macêdo 22 March 2018 (has links)
O concreto reforçado com fibras (CRF) corresponde a um material compósito formado principalmente por cimento hidráulico, agregados miúdo e graúdo, água e fibras descontínuas. A principal finalidade do reforço no concreto com fibras é o aumento da capacidade resistente pós-fissuração do compósito, que reflete no ganho de tenacidade. Tradicionalmente, as fibras de aço, por possuírem elevadas rigidez e resistência à tração, são as mais utilizadas para o reforço do concreto, enquanto que as fibras sintéticas são adotadas para controle de fissuração por retração plástica do compósito. A macrofibra polimérica se trata de uma fibra sintética estrutural que se difundiu no mercado brasileiro nos últimos anos, possuindo pouca pesquisa a respeito de seu desempenho como elemento de reforço no concreto. Diante disto, nesta pesquisa foi avaliado o uso da macrofibra polimérica na composição de concreto para fins estruturais, sendo analisado o comportamento mecânico de duas matrizes de concreto reforçado com fibras, uma convencional e a outra de alta resistência, com diferentes teores de fibra de aço e de macrofibra polimérica. Para isto, foram determinados o abatimento e a massa específica de cada concreto no estado fresco. No estado endurecido, foram realizados ensaios de absorção de água, índice de vazios, massa específica, resistência à compressão, Barcelona, tenacidade à flexão em prismas e tenacidade à punção em placas. Nas misturas com maiores teores de fibra não foi possível se obter a trabalhabilidade desejada, mesmo com a adição de superplastificante. Em alguns concretos, a macrofibra polimérica e a fibra de aço tiveram desempenhos equivalentes com relação à absorção, índice de vazios, resistência residual no Estado Limite Último (ELU) dos prismas e tenacidade das placas. O acréscimo do teor de macrofibra polimérica provocou alterações não significativas no valor do índice de vazios, da resistência residual em prismas e da tenacidade em prismas e placas. Foi encontrado uma equivalência entre os valores de tenacidade do concreto com menor teor de fibra de aço e do concreto com maior teor de macrofibra polimérica para a maioria das misturas. A macrofibra polimérica apresentou uma eficiência menor do que a fibra de aço quando utilizada no concreto destinado a pisos industriais. Além disso, o acréscimo do teor de macrofibra polimérica provocou pequenas alterações na espessura do piso industrial. / The fiber reinforced concrete (FRC) is a composite material mainly composed of hydraulic cement, fine and coarse aggregates, water and discontinuous fibers. The main purpose of the reinforcement in the concrete with fibers is the increase of the post-cracking resistant capacity of the composite, which reflects in the toughness gain. Traditionally, steel fibers, due to their high stiffness and tensile strength, are the most used for concrete reinforcement, while synthetic fibers are used to control the plastic shrinkage cracking of the composite. The polymeric macrofiber is a structural synthetic fiber that has spread in the Brazilian market in recent years, with few researches regarding its performance as a reinforcement element in concrete. Therefore, the use of the polymeric macrofiber in the concrete composition for structural purposes was evaluated in this study and the mechanical behavior of two fiber reinforced concrete matrices, one conventional and the other with high strength, with different contents of steel fiber and polymeric macrofiber, was analyzed. For this, the slump and the specific gravity of each concrete in the fresh state were determined. In the hardened state, water absorption, voids, specific gravity, compressive strength, Barcelona, flexural toughness in prisms and punching toughness in plates tests were performed. In the mixtures with higher fiber contents it was not possible to obtain the desired workability, even with the addition of superplasticizer. In some concretes, the polymeric macrofiber and the steel fiber had equivalent performances with respect to the absorption, voids, residual strength at Ultimate Limit State (ELU) of the beams and toughness of the plates. The increase of the polymeric macrofiber content did not cause significant changes in the value of the voids, residual strength in prisms and toughness in beams and plates. An equivalence of the toughness values of the concrete with lower content of steel fiber and the concrete with higher content of polymeric macrofiber was found for the majority of the mixtures. The polymeric macrofiber was less efficient than the steel fiber when used in concrete for industrial floors. In addition, the increase of the polymeric macrofiber content caused small changes in the thickness of the industrial floor.
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Avaliação do uso da macrofibra polimérica na composição de concreto para fins estruturais / Evaluation of the use of polymeric macrofiber in the concrete composition for structural purposesAlex Macêdo Leite 22 March 2018 (has links)
O concreto reforçado com fibras (CRF) corresponde a um material compósito formado principalmente por cimento hidráulico, agregados miúdo e graúdo, água e fibras descontínuas. A principal finalidade do reforço no concreto com fibras é o aumento da capacidade resistente pós-fissuração do compósito, que reflete no ganho de tenacidade. Tradicionalmente, as fibras de aço, por possuírem elevadas rigidez e resistência à tração, são as mais utilizadas para o reforço do concreto, enquanto que as fibras sintéticas são adotadas para controle de fissuração por retração plástica do compósito. A macrofibra polimérica se trata de uma fibra sintética estrutural que se difundiu no mercado brasileiro nos últimos anos, possuindo pouca pesquisa a respeito de seu desempenho como elemento de reforço no concreto. Diante disto, nesta pesquisa foi avaliado o uso da macrofibra polimérica na composição de concreto para fins estruturais, sendo analisado o comportamento mecânico de duas matrizes de concreto reforçado com fibras, uma convencional e a outra de alta resistência, com diferentes teores de fibra de aço e de macrofibra polimérica. Para isto, foram determinados o abatimento e a massa específica de cada concreto no estado fresco. No estado endurecido, foram realizados ensaios de absorção de água, índice de vazios, massa específica, resistência à compressão, Barcelona, tenacidade à flexão em prismas e tenacidade à punção em placas. Nas misturas com maiores teores de fibra não foi possível se obter a trabalhabilidade desejada, mesmo com a adição de superplastificante. Em alguns concretos, a macrofibra polimérica e a fibra de aço tiveram desempenhos equivalentes com relação à absorção, índice de vazios, resistência residual no Estado Limite Último (ELU) dos prismas e tenacidade das placas. O acréscimo do teor de macrofibra polimérica provocou alterações não significativas no valor do índice de vazios, da resistência residual em prismas e da tenacidade em prismas e placas. Foi encontrado uma equivalência entre os valores de tenacidade do concreto com menor teor de fibra de aço e do concreto com maior teor de macrofibra polimérica para a maioria das misturas. A macrofibra polimérica apresentou uma eficiência menor do que a fibra de aço quando utilizada no concreto destinado a pisos industriais. Além disso, o acréscimo do teor de macrofibra polimérica provocou pequenas alterações na espessura do piso industrial. / The fiber reinforced concrete (FRC) is a composite material mainly composed of hydraulic cement, fine and coarse aggregates, water and discontinuous fibers. The main purpose of the reinforcement in the concrete with fibers is the increase of the post-cracking resistant capacity of the composite, which reflects in the toughness gain. Traditionally, steel fibers, due to their high stiffness and tensile strength, are the most used for concrete reinforcement, while synthetic fibers are used to control the plastic shrinkage cracking of the composite. The polymeric macrofiber is a structural synthetic fiber that has spread in the Brazilian market in recent years, with few researches regarding its performance as a reinforcement element in concrete. Therefore, the use of the polymeric macrofiber in the concrete composition for structural purposes was evaluated in this study and the mechanical behavior of two fiber reinforced concrete matrices, one conventional and the other with high strength, with different contents of steel fiber and polymeric macrofiber, was analyzed. For this, the slump and the specific gravity of each concrete in the fresh state were determined. In the hardened state, water absorption, voids, specific gravity, compressive strength, Barcelona, flexural toughness in prisms and punching toughness in plates tests were performed. In the mixtures with higher fiber contents it was not possible to obtain the desired workability, even with the addition of superplasticizer. In some concretes, the polymeric macrofiber and the steel fiber had equivalent performances with respect to the absorption, voids, residual strength at Ultimate Limit State (ELU) of the beams and toughness of the plates. The increase of the polymeric macrofiber content did not cause significant changes in the value of the voids, residual strength in prisms and toughness in beams and plates. An equivalence of the toughness values of the concrete with lower content of steel fiber and the concrete with higher content of polymeric macrofiber was found for the majority of the mixtures. The polymeric macrofiber was less efficient than the steel fiber when used in concrete for industrial floors. In addition, the increase of the polymeric macrofiber content caused small changes in the thickness of the industrial floor.
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An assessment of the potential use of excess warehousing space of Spoornet property management to support the industrial development zones in the Eastern Cape regionPitout, Evert Philippus January 2004 (has links)
The research problem addressed in this study was to analyse and report on the potential use of Spoornet’s excess warehousing to support the Industrial Development Zones (IDZs) in the Eastern Cape. In order to achieve this objective, a literature study was undertaken to ascertain the world-class practices for warehousing. A study was conducted on Spoornet strategy in order to determine whether the company can apply its existing strategy for warehouse operations. The empirical results obtained, indicated that there would be a need for warehousing to support the IDZs in the Eastern Cape. There would be opportunities for storage of raw materials, distribution of parts for production, and finished goods to be delivered to consumers. Spoornet has gained ground on its competitor with respect to logistics and has progressed with its “Freight Logistics Solution” initiative. In conclusion it was recommended that Spoornet uses its existing strategy and convert their goods sheds into world-class warehousing. The warehouse space can be used as a trade-off to gain rail clients.
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Ověřování možnosti využití recyklovaného autoskla jako náhrady křemičitého písku v polymerbetonových průmyslových podlahách / The diploma thesis was prepared in cooperation with Atemit. The thesis describes the specific composition and properties of polymer industrial substrates from Atemit research.Šácha, Dominik January 2019 (has links)
This diploma thesis has goal to find out possibility of substitution sand in polymer crete flooring system by recycling car glass. Polymer crete is made from sand and epoxy resin. Companies use it in industrial flooring system. Polymercrete industrial flooring systems are new types of floor surface. It aims to customers with high requirements to floor properties and short time of realisation. Polymercrete floors are 4-6 mm thin. They are waterproof, they has higher compressive strength then 60 MPa and tensile strength is more than 20 MPa. Polymercretes does not make dust. This study includes also suggestion of recycling process to make glass sand from car glass windows. The diploma thesis was prepared in cooperation with company Atemit, s.r.o.
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Stavebně technologický projekt objektu pozemního stavitelství / Building technology project of building construction buildingKunetková, Lenka January 2014 (has links)
The subject of this diploma thesis is building technological project of extension of warehouse in Tlumačov based on metal construction. This diploma thesis includes study of realization of main technological process, budget of the building, financial and time plan of building, schedule of works, project of construction site installation, technological regulation of instalacion steel structures and technological regulation of execution industrial floor, inspection and test plan of instalacion steel structures, inspection and test plan of execution industrial floor, design of main mechanisms, design and verification of main lift mechanisms.
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Specifický cementový kompozit na bázi druhotných surovin s důrazem na trvanlivost / Specific cement composite based on secondary raw materials with emphasis on durabilityFigala, Petr January 2018 (has links)
Nowadays the attention to the utilization of secondary raw materials as a component of building materials is being paid to in the Czech Republic and in the world. This thesis deals with possibilities of using secondary raw materials as partial cement substitutes in industrial floors. The aim of this thesis is to verify the influence of cement substitution amount with secondary raw materials and their fineness of grinding on the properties of the floor surface in time and on its structure. On the basis of the acquired knowledge, the influence of the pre-treatment of the secondary raw material on the properties of the floor ceiling with an emphasis on the economic aspect was assessed. After evaluating the results, some substitution of cement in the floor screed with secondary raw materials is beneficial. The significant influence of more intensive milling of the floor screeds base on the parameters of the final floor screed was not confirmed. It seems, that it is possible to achieve very good results even when using secondary raw materials with a lower percentage of fine particles. This brings together the economic benefits of lowering the cost of a lower dose of expensive cement by using cheaper secondary raw materials, because pre-treatment of such materials does not require the use of a large amount of energy.
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