Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Jefferson Lins da Silva"'
Autor:
Fernando Luiz Lavoie, Marcelo Kobelnik, Clever Aparecido Valentin, Érica Fernanda da Silva Tirelli, Maria de Lurdes Lopes, Jefferson Lins da Silva
Publikováno v:
Química Nova, Vol 48, Iss 2 (2024)
High-density polyethylene (HDPE) geomembranes are commonly used as an environmental protection liner due to their good chemical and mechanical resistances and low cost. Ultraviolet (UV) radiation is an essential issue in durability studies for pond a
Externí odkaz:
https://doaj.org/article/77da88ef2a3e42d9a46e0027822d78f1
Autor:
Fernando Luiz Lavoie, Marcelo Kobelnik, Clever Aparecido Valentin, Maria de Lurdes Lopes, Jefferson Lins da Silva, Ennio Marques Palmeira
Publikováno v:
Results in Materials, Vol 22, Iss , Pp 100552- (2024)
This study analyzed the behavior of three HDPE smooth geomembrane samples of 1.0, 1.5, and 2.0 mm thicknesses under heat exposure for 8760 h and the combined effect of UV radiation for 8760 h followed by heat aging for 4380 h. The results show high a
Externí odkaz:
https://doaj.org/article/2722e80cb807413e98d671135a6a5988
Autor:
Sergio Rincón Barajas, Gabriel Orquizas Mattielo Pedroso, Fernanda Bessa Ferreira, Jefferson Lins da Silva
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5861 (2024)
Geosynthetics have increasingly been applied to geotechnical engineering works due to their numerous advantages, including cost-effectiveness and their significant role in sustainable development. When geosynthetics are used as reinforcement in earth
Externí odkaz:
https://doaj.org/article/e9b5b3ba5d9e4c52872cc256661fa438
Publikováno v:
Transportes, Vol 31, Iss 2 (2023)
Este estudo avalia as propriedades mecânicas e hidráulicas de geotêxteis não tecidos impregnados com emulsão asfáltica após a simulação de danos de instalação em condições de laboratório. Além do método de dano recomendado pela ISO 10
Externí odkaz:
https://doaj.org/article/e1dfa3f140464bf2a76e17388c1abf6e
Autor:
Fernando Luiz Lavoie, Marcelo Kobelnik, Clever Aparecido Valentin, Maria de Lurdes Lopes, Ennio Marques Palmeira, Jefferson Lins da Silva
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e02212- (2023)
This study evaluated nine exhumed high-density polyethylene (HDPE) geomembranes from different Brazilian civil construction facilities under several exposure times, from two to fifteen years in service. Physical and thermal analyses were performed to
Externí odkaz:
https://doaj.org/article/334bacf03cc8431a9d693586e4132e1f
Autor:
Jefferson Lins da Silva, Clever Aparecido Valentin, Marcelo Kobelnik, Gabriel Orquizas Mattielo Pedroso, Maria Alejandra Aparício-Ardila, Luiz Paulo Vieira de Araújo Júnior, Marta Pereira da Luz
Publikováno v:
Materials, Vol 16, Iss 11, p 4148 (2023)
A Hydroelectric Power Plant (HPP) presents erosion problems on reservoir slopes and margins. Geomats are a biotechnical composite technology increasingly used to protect soils against erosion. Survivability or durability of geomats is essential for s
Externí odkaz:
https://doaj.org/article/999a365549154c6ba4051c97d9ec145f
Autor:
Gabriel Orquizas Mattielo Pedroso, Ricardo Domingos dos Santos Junior, Jefferson Lins da Silva, Mariana Ferreira Benessiuti Motta, Emerson Felipe Félix
Publikováno v:
Materials, Vol 16, Iss 11, p 4185 (2023)
This work deals with the flexural performance of a soil-cement for pavement reinforced by polypropylene and steel fibers, and the main purpose is to evaluate the effect of different curing times. In this sense, three different curing times were emplo
Externí odkaz:
https://doaj.org/article/4455f077f9e841f48e123458ae7c084d
Publikováno v:
Case Studies in Construction Materials, Vol 16, Iss , Pp e00880- (2022)
This study presents an experimental investigation on seven geosynthetic stabilized and unstabilized sections subjected to cycling moving wheel loading. Tests were conducted on lateritic clay mixed with gravel and unbounded granular base coarse materi
Externí odkaz:
https://doaj.org/article/79614c5175a540a88013cb71c6b81392
Autor:
Fernando Luiz Lavoie, Marcelo Kobelnik, Clever Aparecido Valentin, Érica Fernanda da Silva Tirelli, Maria de Lurdes Lopes, Jefferson Lins da Silva
Publikováno v:
Case Studies in Construction Materials, Vol 16, Iss , Pp e00809- (2022)
The present work evaluated three high-density polyethylene (HDPE) geomembranes exhumed from two shrimp farming ponds in the northeast of Brazil with nominal thicknesses of 0.8 mm. The CAM sample was exhumed from the bottom liner, and the CAM1 sample
Externí odkaz:
https://doaj.org/article/326a52567c104a39acd618abd966225f
Autor:
Leonardo Antonio Valentin, Clever Aparecido Valentin, Marcelo Kobelnik, Jefferson Lins da Silva
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 5, Iss , Pp 100174- (2022)
Geomembrane is a type of material used in civil engineering and environmental engineering works for the protection and recovery of the environment. Five geomembranes commercially obtained from three Brazilian companies were chemically characterized.
Externí odkaz:
https://doaj.org/article/5a3aa0ae10bd400699dd603b87251802