The effect of reinforcement in the new layer on hygral cracking in hybrid structural elements

Title: The effect of reinforcement in the new layer on hygral cracking in hybrid structural elements
Author(s): O. Bernard, E. Brühwiler
Paper category : journal
Serial title: Materials and Structures
Abreviated Serial title: Mater. Struct.
ISSN: 1359-5997
Publisher: RILEM Publications SARL
Volume: 36
Issue: 256
Issue date: 2003-03-01
Publication year: 2003
Pages: 118 - 126
Total Pages: 9
Nb references: 20
Language: English

Abstract: A recent asymptotic approach dealing with the size effect on the fracture properties of a large plate is further developed to consider the influence of both the front and back free surfaces of small sized specimens.
The new extension is applied to experimental results found in the literature, and good agreements have been found between the predictions and the fracture resistance and energy measured using geometrically similar specimens and specimens with identical size but different initial crack or notch lengths.
The physics behind the size effect are discussed based on the modified asymptotic approach.
It is found that both the specimen geometry and crack length contribute to the size effect on fracture properties besides its physical size.
In particular, the ratio of a fracture process zone size over its distance to a free surface plays a very important role.

Online publication: 2003-01-25
Classification: Scientific Reports
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/13770