The influence of notch depth on the fracture mechanics properties of polymer concrete

• Tipo: Artigo em Revista Científica Internacional
• Data: 2003

Autores

Reis, JML (Autor) Outra; Ferreira, AJM (Autor) FEUP

Revista

Título: International Journal of Fracture

Vol. 124

Páginas: 33-42

ISSN: 0376-9429

Editora: Springer Nature

Indexação

ISI Web of Knowledge - 13 Citações

Scopus - 14 Citações

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia dos materiais

Outras Informações

ID Authenticus: P-000-EM0

DOI: 10.1023/b:frac.0000009302.36274.e9

Abstract (EN): This research deals with unreinforced and fiber-reinforced Polymer Concrete (PC). Polymer Concrete is usually composed of natural aggregates such as silica sand, binded together with a thermoset resin, such as unsaturated polyester. In this paper it is reported the use of a direct method to calculate two size independent fracture parameters, the critical stress intensity factor, K(Ic), and the critical crack tip opening displacement, CTOD(C), from experimental results of two different size single edge notched beams, 10 and 20 mm, subjected to three point bending under quasi-static loading condition. This method is called the Two Parameter Fracture Model (TPFM). Also the Fracture Energy, G(f), of the specimens were measured to verify its size dependency. Epoxy and polyester resin specimens were studied and epoxy resin specimens reinforced specimens with short carbon and glass fibers were considered.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 10