dc.contributor |
Agència de Gestió d'Ajuts Universitaris i de Recerca |
dc.contributor.author |
Etxeberria Larrañaga, Miren |
dc.date.accessioned |
2007-02-27T10:13:26Z |
dc.date.available |
2007-02-27T10:13:26Z |
dc.date.created |
2005 |
dc.date.issued |
2007-02-27T10:13:26Z |
dc.identifier.uri |
http://hdl.handle.net/2072/3691 |
dc.format.extent |
9 p. |
dc.format.extent |
1634544 bytes |
dc.format.mimetype |
application/pdf |
dc.language.iso |
eng |
dc.relation.ispartofseries |
Els ajuts de l'AGAUR;2005BE00244 |
dc.rights |
Aquest document està subjecte a una llicència d'ús de Creative Commons, amb la qual es permet copiar, distribuir i comunicar públicament l'obra sempre que se'n citin l'autor original i l’Agència i no se'n faci cap ús comercial ni obra derivada, tal com queda estipulat en la llicència d'ús (http://creativecommons.org/licenses/by-nc-nd/2.5/es/) |
dc.subject.classification |
Enginyeria de la Construcció |
dc.subject.other |
Formigó lleuger – Fabricació |
dc.title |
Research work in Tokyo Institute of Technology |
dc.type |
info:eu-repo/semantics/report |
dc.description.abstract |
Research carried out in Tokyo Institute of Technology. The objective is to determine the influence of Interfacial Transition Zone (ITZ) around Lightweight aggregate in concrete on Chloride ion diffusivity. The ITZ of conventional concretes is the weakest point of concrete. The accumulating water on ITZ zone forms the most permeable area inside the concrete. Hence ITZ paves the way for chloride ion diffusion. The quality of ITZ depends on type and quality of aggregates used, water-cement ratio and also the method used for the production of concrete. It has been used two types of lightweight aggregates will be used, Chinese and Japanese, with different absorption capacities. The idea is to produce concrete with same effective water - cement ratio, using the same aggregates in two different conditions, dry and saturated, and compare the chloride ion diffusivity in these concretes (by diffusion test). A comparison of ITZ thickness of these concretes by SEM and EDAX-maps is also proposed. The chloride ion diffusion of concretes produced with the same effective water – cement ratio and same aggregates (dry and ssd) will depend, mainly, on ITZ. |