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Qualitative Study of the Degradation of Vegetable Fibre Subjected to the Alkaline Environment of Mortar Obtained from Portland Cement by Means of Dyeing Techniques



Title: Qualitative Study of the Degradation of Vegetable Fibre Subjected to the Alkaline Environment of Mortar Obtained from Portland Cement by Means of Dyeing Techniques
Author(s): Claramunt
Paper category : conference
Book title: International RILEM Conference on the Use of Recycled Materials in Building and Structures
Editor(s): E. Vázquez, Ch. F. Hendriks and G.M.T. Janssen
Print-ISBN: 2-912143-52-7
e-ISBN: 2912143756
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 741 - 750
Total Pages: 10
Nb references: 10
Language: English


Abstract: Materials that have less of an environmental impact must be used if sustainability in the
field of construction is to be improved. It is therefore essential to consider the possibility of
employing materials into which waste, recycled materials or, at the very least, materials
obtained from renewable resources can be incorporated. Vegetable fibres left over from crops
or from specific and, if possible, autochthonous vegetable production are of great relevance to
fibre-reinforced mortar and concrete technology.
The vegetable fibres, although their cost is much smaller and to have some better benefits
that the plastic fibres, only are used in testimonial "ecological" construction products and as
substitute of the asbestos in the manufacture of concrete sheets for roofing.
The aim of this research was to qualify the degradation of the lignin during the first 28
days of immersion in a cement slurry using dyeing techniques. This enabled us to visualise
the moment when the process begins and the effect of the fibre on the degradation of the
lignin through a microscope.


Online publication: 2004-09-29
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2912143756.082


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