Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Paulo Roberto Lopes Lima"'
Autor:
Adilson Brito de Arruda Filho, Paulo Roberto Lopes Lima, Ricardo Fernandes Carvalho, Otavio da Fonseca Martins Gomes, Romildo Dias Toledo Filho
Publikováno v:
Textiles, Vol 4, Iss 1, Pp 40-56 (2024)
The use of fabric in reinforcing cement-based materials expands their applications for various types of construction elements. Additionally, employing renewable sources of plant-based fabrics contributes to reducing the environmental impact of the co
Externí odkaz:
https://doaj.org/article/77092d2fea764cc29b43764ab82b9072
Autor:
Adilson Brito Arruda Filho, Camila Louzado D' EI Rei Dantas, Paulo Roberto Lopes Lima, Cintia Maria Ariani Fontes
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 15, Pp 11204-11217 (2022)
Natural fibers as reinforcement of cementitious matrices have become a material with greater toughness, strength, and sustainability for the construction industry. However, their use can generate some inconveniences due to the high-water absorption o
Externí odkaz:
https://doaj.org/article/7b40b62e7939409d80846bb956e74b54
Publikováno v:
Materials Research, Vol 24, Iss 5 (2021)
Abstract This study investigates the effect of hydrothermal aging on the properties of glass fiber reinforced polymer (GFRP) rebars manufactured with isophthalic polyester or vinylester resin and glass fiber type E. The GFRP rebars were immersed in a
Externí odkaz:
https://doaj.org/article/d1311759d2ca4f8fbf7a2cfa397f2747
Effect of Temperature on Mechanical Behavior of Concrete Reinforced with Different Types of GFRP Bar
Publikováno v:
Polymers, Vol 14, Iss 17, p 3437 (2022)
Glass fiber reinforced polymer (GFRP) bars have been increasingly used as reinforcement in concrete structures. However, when the bars are exposed to high temperatures, there is a change in the internal structure of the polymer which affects the tens
Externí odkaz:
https://doaj.org/article/88d4d3bc16f44176a51d75296d8b2943
Autor:
Maurício Prado Martins, Caroline Santana Rangel, Mayara Amario, José Mario Feitosa Lima, Paulo Roberto Lopes Lima, Romildo Dias Toledo Filho
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 13, Iss 6 (2020)
abstract: Concrete with recycled aggregate is a fragile material under tensile stresses. However, like conventional concrete, it is possible that its contribution is relevant in the design of reinforced concrete elements under tension or bending, eve
Externí odkaz:
https://doaj.org/article/945e5740d3bc46ac942a03c71a77226f
Publikováno v:
Anais dos Seminários de Iniciação Científica.
A construção civil é responsável por provocar grande impacto ambiental devido a emissão de gases poluentes, geração de resíduos e degradação de recursos. Devido ao potencial que essa indústria tem de absorver parte dos resíduos sólidos,
Publikováno v:
Anais dos Seminários de Iniciação Científica.
A construção civil apresenta desafios para poder desempenhar melhorias para o conforto da sociedade, em contrapartida é responsável por grande parte dos resíduos.
Publikováno v:
Journal of Architectural Environment & Structural Engineering Research. 4:1-7
The operation of reinforced concrete structures is directly associated with the adhesion between the steel bar and the concrete, which allows the internal forces to be transferred to the reinforcement during the process of loading the structural elem
Autor:
Paulo Roberto Lopes Lima, Lidianne do Nascimento Farias, Cintia Maria Ariani Fontes, Anfranserai Morais Dias
Publikováno v:
CONCRETO & Construções. :80-85
Autor:
Monica Batista Leite, Jose Mario Feitosa Lima, Paulo Roberto Lopes Lima, José Jorge Aragão, Helio Guimaraes Aragão
Publikováno v:
Revista Sul-americana de Engenharia Estrutural. 16:114-134
O uso de concreto reciclado em lajes pré-moldadas poderia reduzir bastante o consumo de agregado natural e minimizar o impacto ambiental do setor da construção civil. No entanto, devido ao menor módulo de elasticidade do concreto reciclado é nec