Navegando por Afiliação "Prefeitura Municipal de Abaetetuba"

Agora exibindo 1 - 3 de 3

Acesso aberto (Open Access)
Estudo da potencialidade da cinza da casca do murumuru, um resíduo agro industrial amazônico como filler ao concreto estrutural
(Universidade Federal do Pará, 2022-11-17) SOUZA, Milleno Ramos de; CORDEIRO, Luciana de Nazaré Pinheiro; http://lattes.cnpq.br/9126233381230999; https://orcid.org/0000-0001-7931-4042; TEIXEIRA, Marcelo Rassy; http://lattes.cnpq.br/8912916360456192
The use of agro-industrial waste in the partial replacement of cement in concrete has been the subject of research that analyzes the possible improvements in mechanical and physical properties and durability of the concrete, in addition to providing the use of mineral additions of natural origin or partial replacement in relation to the constituent materials of the composite, waste that would have inappropriate disposal, such as open-air landfills and burning. With this scenario, the study aims to research the use of murumuru husk ash (MHA), an agro-industrial waste generated specifically in the Amazon region as partial replacement of cement in structural concrete and evaluate the physical, chemical and mineralogical characteristics of the ash to act as filler in concrete, and its properties in the fresh and hardened state in concrete. With this purpose, the MHA underwent the physical-mechanical characterization tests such as specific mass, pozzolanic activity with Portland cement, pozzolanic activity with lime and BET test, also performing the mineralogical and chemical analysis of the ash. For concreting, a mix 1:1.6:2.4 (by mass) with water/cement ratio of 0.43 was considered, with replacement levels of 0%, 6%, 9% and 13% of the cement mass by MHA. After the dosage, the tests were performed on the concrete in its fresh and hardened state: slump test, specific mass, compressive strength (28 days), tensile strength in diametrical compression, water absorption by capillarities, specific mass in the hardened state, modulus of elasticity and morphological evaluation, through the Scanning Electron Microscope (SEM). Checking first the properties of concrete in the fresh state, it is evaluated that the insertion of the waste decreased the consistency and decreases the specific mass, except the concrete for the content of 6% that there was a 10% increase in the specific mass in relation to the concrete reference. Regarding the properties in the hardened state, the replacement by CCM showed an increase specifically in compressive and tensile strength in the 6% content at 28 days around 1% and 9% respectively, occurring a decrease in the contents of 9% and 13%. The results showed that there is a technical feasibility with partial replacement of 6% of MHA in cement, using plasticizer additive to improve workability
Acesso aberto (Open Access)
Etnoconhecimento do manejo de açaizais: a elaboração de material didático para contribuir com o diálogo de saberes entre ribeirinhos e assistência técnica nas Ilhas de Abaetetuba – PA
(Universidade Federal do Pará, 2019-11-22) NEGRÃO, Antonia do Socorro Silva; BARBOSA, Wagner Luiz Ramos; http://lattes.cnpq.br/1372405563294070; https://orcid.org/0000-0002-2421-8245; MANESCHY, Rosana Quaresma; http://lattes.cnpq.br/5914095913079907; https://orcid.org/0000-0003-4432-7331
Didactic material on the management of açaí groves (Euterpe oleracea Mart.) Produced, such as booklets and books; it usually contains illustrations associated with agronomic technical terms. The present product brings the systematization of the knowledge that surrounds the management of native açaí groves and the linguistic variations in the colloquial language used in the Abaetetuba Islands to contribute to the dialogue between technical assistance agents and the riverside residents. The material is composed of an agroecological sheet on the “Management of native açaizal in the islands of Abaetetuba - PA”, the book “Glossary of regional expressions related to the management of açaizais used by riverside dwellers in the islands of Abaetetuba - PA” and the exhibition “Artifacts of the local culture that permeate the extraction of açaí in Abaetetuba - PA ”. The agroecological form provides technical information on the management of açaí groves carried out by riverine people in simple and accessible language. The glossary lists, in alphabetical order, linguistic variations in the colloquial language used by riverine people, related to the management of açaizal, with the definition of these terms. The exhibition complemented the glossary by presenting parts of plants necessary for making the artifacts used from collection to the extraction of açaí, demonstrating the biocultural importance of different species for riverside dwellers.
Desconhecido
Território minero-metalúrgico: um estudo de caso do município de Barcarena, no estado do Pará
(Universidade Federal do Pará, 2022-08-30) GONÇALVES, Dhemerson Martins; SILVA, Joao Marcio Palheta da; http://lattes.cnpq.br/5356047514671129; HTTPS://ORCID.ORG/0000-0003-0354-4639; TAVARES, Francinei Bentes; http://lattes.cnpq.br/2305847447719005
The compulsory object of analysis of this study is essential in the debate, at its core, the mining activity and its major influence and interference in the Amazon territorial dynamics. To this end, the mining-metallurgical dynamics in the industrial complex of Barcarena-Pa is approached, in the incisive investigation of the socio-territorial impacts derived from the mineral transformation activities in the municipality. The objective is to correlate the perspective of development ordered by large mining enterprises and their relative influence, above all, on regional, national and international economic dynamics. However, it is essential to diagnose the socio-territorial contradictions and inequalities arising from the mineral economic vector. In this aspect, an analysis is carried out, with regard to the mineral economic vector in Barcarena and its instructive impacts that are correlated in the economic, political and social spheres. Municipal revenue data; Goods and Services Circulation Tax (ICMS), Industrialized Products Tax (IPI) and Municipal Participation Fund (FPM), which consist of means of investigation to measure the collections resulting directly and indirectly from the bauxite industrial complex aluminaaluminum and, it is essential to study an Index to mention a possible quality of life of the local and adjacent population. The Index chosen was the FIRJAN Index of Municipal Development of Barcarena, in order to ascertain the quality of life from the variables of Education, Health and Economy, following, of course, the perspective of the index methodology, which aims to be quanti-qualitative, that is, an effective index for measuring the applicability of resources derived from the mining-metallurgical dynamics, with regard to an effective spatial and equitable destruction, aiming at the quality of life of the local population, that is, to consider the contradiction between economic underdevelopment and development of the place and for the aspirations of the place, based, essentially, on the brand relations by power, configuring itself in a miningmetallurgical territory.