Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-05-30T20:51:39Z No. of bitstreams: 1 SheylaKarolinaJustinoMarques_TESE.pdf: 3208408 bytes, checksum: deb5c88ae07d8787c4800ec09fd2eee8 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-06-01T00:25:48Z (GMT) No. of bitstreams: 1 SheylaKarolinaJustinoMarques_TESE.pdf: 3208408 bytes, checksum: deb5c88ae07d8787c4800ec09fd2eee8 (MD5) / Made available in DSpace on 2016-06-01T00:25:48Z (GMT). No. of bitstreams: 1 SheylaKarolinaJustinoMarques_TESE.pdf: 3208408 bytes, checksum: deb5c88ae07d8787c4800ec09fd2eee8 (MD5) Previous issue date: 2015-01-22 / O presente trabalho consiste no estudo das caracter?sticas e propriedades tecnol?gicas de tijolos res?duo-cimento maci?os e vazados, formulados a partir de misturas bin?rias e tern?rias de cimento Portland, cascalho proveniente da perfura??o de po?os de petr?leo, com e sem adi??o de cinza do baga?o de cana-de-a?ucar que poder?o ser utilizados pela ind?stria, com o objetivo de melhorar seu desempenho, diminuir seu custo e aumentar sua vida ?til. Os tijolos de solo-cimento constituem uma das alternativas para a constru??o em alvenaria. Esses elementos, ap?s pequeno per?odo de cura, garantem resist?ncia ? compress?o simples similar ? dos tijolos maci?os e blocos cer?micos, sendo a resist?ncia tanto mais elevada quanto maior for ? quantidade de cimento empregada. Foi utilizado cimento CPIIZ-32, res?duo de cascalho de perfura??o de po?os de petr?leo proveniente da perfura??o de po?os Onshore, no munic?pio de Mossor?/RN, fornecido pela Petrobras e cinzas do baga?o de cana-de-a??car. Para a determina??o da mistura ?tima, estudou-se a inclus?o de teores de CBC (2%; 4%; 6%; e 8%) onde foram confeccionados 18 corpos-de-prova. A avalia??o dos tijolos confeccionados foi feita a partir de ensaios de compress?o simples, perda de massa por imers?o e absor??o de ?gua. Os resultados experimentais comprovaram a efici?ncia e o elevado potencial de utiliza??o do res?duo proveniente da perfura??o de po?os de petr?leo e cinza do baga?o de cana-de-a??car, tornando o tijolo res?duo-cimento com uma maior resist?ncia mec?nica e menor absor??o de ?gua. / In recent years the construction industry is a major world representation in the consumption of natural resources and generation of wastes which lead to a greater environmental impact. Thus, it is of fundamental importance to planning the consumption of non-renewable natural resources, in addition to waste management, reuse and incorporate them in the process of manufacturing new materials. The present work is the study of the characteristics and technological properties of solid waste-cement bricks and cast formulated from binary and ternary mixtures cement Portland, gravel from the oil well drilling, with and without addition of cane sugar ashes residue that can be used by industry, with the goal of improving performance, reducing cost and increasing its useful life. Was used CPIIZ-32 cement, drill cuttings residue of oil wells from drilling onshore wells in the municipality of Mossor? / RN, supplied by Petrobras and ashes of sugarcane bagasse. To determine the optimum mix was used to study the inclusion of gray levels (2%, 4%, 6% and 8%) where bodies were prepared 18-specimens for each formulation. The evaluation was made of bricks made from simple compression tests, weight loss by immersion and water absorption. The experimental results have proved the efficiency and the high potential for use of drill cuttings and ash cane bagasse, making the brick-cement residue with a higher strength and lower water absorption. The best result in terms of mechanical strength and water absorption, both for the binary and ternary blend formulation was 86% gravel, 12% cement and 2% ash.

Made available in DSpace on 2014-12-17T14:57:55Z (GMT). No. of bitstreams: 1 RaimundoJSP.pdf: 1219471 bytes, checksum: d712293aa14f71b340c5cbfd7467bfe4 (MD5) Previous issue date: 2010-01-12 / This study aimed to investigate the use of cane sugar ashes from small-scale stills of Eun?polis region, state of Bahia, in pottery mass that can be developed as porcelain stoneware. Bahia is the second largest producer of rum distillery in Brazil. In the production of rum is produced residue called bagasse, which is used to generate electricity in Power plants and in the distillery itself, generating ashes as residue, which is played in nature, causing environmental damage. We studied 5 (five) formulations of 0% 10% 20%, 30% and 40% by weight of the ash, without ignition and 3 (three) formulations of 10%, 20% and 30% with gray ash temperature of 1250?C. The formulation at 0% by weight of ash was used for a comparison between the traditional mass of porcelain stoneware and the masses with the addition of ash calcined, replacing feldspar. The percentage by weight of kaolin and of Clay was kept the same, 30%, and all raw materials were derived from the state of Bahia. The samples were made in uniaxial array with dimensions of (60 x 20 x 5) mm and compressed to a pressure of 45 MPa. Assays were performed to characterize the raw by X-ray fluorescence, X-ray diffraction, ATD and ATG and Dilatometric analysis. The samples were sintered at temperatures of 1100?C, 1150?C, 1200?C and 1250?C, for the specimens with the ashes without ash and 1150? C and 1200? C for specimens with the gray level of calcined 60 minutes. and then we made a cooling ramp with the same rate of warming until reach ambient temperature. The sintered bodies were characterized by water absorption, porosity, linear shrinkage, bending strength and XRD of the fracture surface and the results analyzed. It was proven, after results of tests performed, that it is possible to use the ash residue of sugar cane bagasse on ceramic coating with the addition of up to 10% wt of the residue ash / O presente trabalho visa a investigar a utiliza??o da cinza do bala?o da cana de a??car proveniente do alambique artesanal da regi?o de Eunapolis-BA em massa cer?mica que poder? ser aproveitada como um gr?s porcelanato. A Bahia e o segundo estado brasileiro maior produtor de cacha?a de alambique do Brasil. Na produ??o da cacha?a, e produzido res?duo chamado bala?o , sendo este utilizado na gera??o de energia el?trica em usinas termoel?tricas e na pr?pria destilaria, gerando uma cinza como res?duo, que e jogada na natureza, provocando danos ambientais. Foram estudadas 5 (cinco) formula??es de 0% 10%, 20%, 30% e 40% em peso de res?duo de cinza sem calcina??o e 3 (tr?s) formula??es de 10%, 20% e 30% com a cinza calcinada na temperatura de 1250oC. A formula??o em 0% em peso de cinza serviu para uma compara??o entre a massa tradicional do gr?s porcelanato em rela??o as massas com a adi??o de cinza sem calcinar e calcinada, em substitui??o ao feldspato. A percentagem em peso da argila e do caulim foi mantida a mesma, 30%, e todas as mat?rias-primas foram oriundas do estado da Bahia. Os corpos de prova foram confeccionados em matriz uniaxial com as dimens?es de (60 x 20 x 5) mm e compactados a uma press?o de 45 MPa. Foram realizados ensaios para caracteriza??o das mat?rias-primas por fluoresc?ncia de raios X, difra??o de raios X, ATD, ATG, e analise dilatometrica. As amostras foram sinterizadas nas temperaturas de 1100?C, 1150?C, 1200?C e 1250oC para os corpos de prova com a cinza sem calcinar e 1150?C e 1200?C para os corpos de prova com a cinza calcinada com patamar de 60 minutos. Os corpos sinterizados foram caracterizados por absor??o de ?gua, porosidade aparente, retra??o linear, resist?ncia a flex?o e DRX da superf?cie de fratura e os resultados analisados. Ficou comprovado, apos resultado dos ensaios realizados, que e poss?vel a utiliza??o do res?duo da cinza do bala?o da cana de a??car em massas cer?micas de revestimento, com adi??o de ate 10% wt do res?duo da cinza

Made available in DSpace on 2014-12-17T14:48:14Z (GMT). No. of bitstreams: 1 ZodinioLMS_DISSERT.pdf: 3444132 bytes, checksum: eaa759b8b44f68beba82f44f669bcbf5 (MD5) Previous issue date: 2013-03-01 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / Concrete is the second most consumed product in the world and the incorporation of the Sugar Bagasse Ash (SBA) into this material can provide solutions for the utilization of by-products from other industries, thus reducing the environmental impact. The general aim of this dissertation focuses on analyzing the mechanical behavior of concrete with addition of SBA from three different species of sugar cane, through tests of consistency, compressive strength, porosity, absorption, voids and Scanning Electron Microscopy (SEM). Were prepared 13 specimens for each specific pattern and level of incorporation of SBA (10%, 20% and 30%) of the three varieties collected, totaling 130 samples of concrete. The trait was employed 1:2:3 (cement: sand: aggregates) in relation to the cement mass with a water / cement ratio of 0.532 and 1% additive Tec 400 Mult also based on the weight of cement. According to the results obtained in this study, it was concluded that the variety of cane sugar, used in the production of the CBC, influenced the mechanical behavior of the resulting concrete. All concrete with addition of SBA, reported a reduction of at least 10% in the properties related to permeability and an increase in the compressive strength of at least 16% compared to standard concrete at 28 days / O concreto ? o segundo produto mais consumido do mundo e a incorpora??o da Cinza do Baga?o da Cana-de-a??car (CBC) a este material pode apresentar solu??es para o aproveitamento de subprodutos de outros setores, reduzindo assim o impacto ambiental. O objetivo geral dessa disserta??o concentra-se em analisar o comportamento mec?nico dos concretos que sofreram a adi??o de CBC de tr?s diferentes esp?cies de cana-de-a??car, mediante ensaios de consist?ncia, resist?ncia ? compress?o, porosidade total, absor??o, ?ndice de vazios e Microscopia Eletr?nica de Varredura (MEV). Foram confeccionados 13 corpos de prova para o concreto padr?o e para cada teor de incorpora??o de CBC (10%, 20% e 30%) das tr?s variedades coletadas, totalizando 130 amostras de concreto. Foi empregado o tra?o 1:2:3 (cimento:areia:brita) em rela??o a massa do cimento com um fator ?gua/cimento de 0,532 e 1% de aditivo Tec Mult 400 tamb?m baseado na massa do cimento. De acordo com os resultados obtidos na presente pesquisa, concluiu-se, que a variedade da cana-de-a??car, utilizada na produ??o das CBC, influenciou no comportamento mec?nico dos concretos resultantes. Todos os concretos com adi??o de CBC apresentaram uma redu??o de no m?nimo 10% nas propriedades relacionadas a permeabilidade e um incremento na resist?ncia ? compress?o de no m?nimo 16% em rela??o ao concreto padr?o aos 28 dias