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Análise de acabamento superficial em elementos pré-fabricados de concreto.

Authors: Eduardo Roberto Batiston; Fernando Pelisser; Rodrigo Walnier;

Análise de acabamento superficial em elementos pré-fabricados de concreto.

Abstract

O concreto pré-fabricado é um sistema construtivo que possibilita uma rápida execução, controle de qualidade e que facilita a racionalização da obra. Contudo o nível de defeitos e a qualidade do acabamento das peças são determinados qualitativamente através de inspeção visual e comparativos com padrões fotográficos. O objetivo deste trabalho é propor uma metodologia para a classificação da qualidade superficial das peças de concreto pré-fabricadas através da análise de imagens, reduzindo assim o caráter subjetivo e melhorando o processo na planta de produção. Para isto foram moldadas peças pré-fabricadas com concreto produzido em central. As imagens foram coletadas em pontos pré-definidos e analisadas individualmente por um software de analise de imagens, “image tool”. Após um tratamento prévio nas imagens foi possível determinar a quantidade superficial de bolhas e defeitos, e a variação dimensional dos mesmos. Foi realizada então uma comparação com as imagens fornecidas pelo Guide for surface finish of formed concrete do qual foi compilada uma tabela de distribuição de tamanho e densidade de defeitos. O processo de classificação da qualidade superficial das peças de concreto pré-fabricados pôde assim ser obtido de maneira sistemática utilizando-se a análise de imagens.

Keywords

Concreto pré-fabricado, Análise de imagens, Acabamento superficial, A, análise de imagens, concreto pré-fabricado, acabamento superficial, General Works

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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gold