Titre : |
Tenue et comportement au feu des bétons |
Type de document : |
texte imprimé |
Auteurs : |
Ishaq Allal, Auteur ; Hocine Chabil, Directeur de thèse ; Belkacem Toumi, Directeur de thèse |
Editeur : |
جامعة الإخوة منتوري قسنطينة |
Année de publication : |
2015 |
Importance : |
161 f. |
Format : |
30 cm. |
Note générale : |
2 copies imprimées disponibles
|
Langues : |
Français (fre) |
Catégories : |
Français - Anglais Génie Civil
|
Tags : |
béton ordinaire béton autoplaçant bétons de fibres de chanvre fibres
polypropylènes fibres métalliques propriétés mécaniques propriétés physiques feu ordinary concrete self-compacting concrete hemp fibers concrete polypropylene
fibers steel fibers mechanical properties physical properties fire الخرسانة العادية الخرسانة الخرسانة ذاتية التموضع خرسانة ألياف القنب ألياف البولي بروبلان الألياف المعدنية خصائص ميكانيكية خصائص فيزيائية النار |
Index. décimale : |
624 Génie civil |
Résumé : |
Concrete is a material of construction, its development and use in buildings and civil engineering works do not cease to increase in worldwide due to its ease of implementation and low cost.
Under the influence of fire and high temperatures, the concrete elements can suffer drop mechanical performance, thermal and physical, they can also undergo thermal instability characterized by spalling and it can also manifest explosive behavior.
The purpose of this research is to make an experimentally data base on the mechanical and physical fire behavior of three types of concrete, ordinary concrete, self-compacting concrete and hemp fiber concrete, to compare the behavior of self-compacting concrete with that ordinary concrete and the effect of the addition of polypropylene and steel fibers on the behavior of them.
For this, 9 formulations were defined, for each type of concrete, three compositions are defined:
a composition without fiber, a composition containing polypropylene fibers with a dosage of 2 kg/m3, a composition containing steel fibers with a dosage of 40 kg/m3.
The different concretes were subjected to a real fire, the speed to increase of temperature is 67.3 °C/min, the total duration of exposure to fire is about 85 minutes. The study shows a drop in physical and mechanical performance of different concretes. |
Diplôme : |
Magistère |
En ligne : |
../theses/gcivil/ALL6863.pdf |
Format de la ressource électronique : |
pdf |
Permalink : |
index.php?lvl=notice_display&id=10177 |
Tenue et comportement au feu des bétons [texte imprimé] / Ishaq Allal, Auteur ; Hocine Chabil, Directeur de thèse ; Belkacem Toumi, Directeur de thèse . - جامعة الإخوة منتوري قسنطينة, 2015 . - 161 f. ; 30 cm. 2 copies imprimées disponibles
Langues : Français ( fre)
Catégories : |
Français - Anglais Génie Civil
|
Tags : |
béton ordinaire béton autoplaçant bétons de fibres de chanvre fibres
polypropylènes fibres métalliques propriétés mécaniques propriétés physiques feu ordinary concrete self-compacting concrete hemp fibers concrete polypropylene
fibers steel fibers mechanical properties physical properties fire الخرسانة العادية الخرسانة الخرسانة ذاتية التموضع خرسانة ألياف القنب ألياف البولي بروبلان الألياف المعدنية خصائص ميكانيكية خصائص فيزيائية النار |
Index. décimale : |
624 Génie civil |
Résumé : |
Concrete is a material of construction, its development and use in buildings and civil engineering works do not cease to increase in worldwide due to its ease of implementation and low cost.
Under the influence of fire and high temperatures, the concrete elements can suffer drop mechanical performance, thermal and physical, they can also undergo thermal instability characterized by spalling and it can also manifest explosive behavior.
The purpose of this research is to make an experimentally data base on the mechanical and physical fire behavior of three types of concrete, ordinary concrete, self-compacting concrete and hemp fiber concrete, to compare the behavior of self-compacting concrete with that ordinary concrete and the effect of the addition of polypropylene and steel fibers on the behavior of them.
For this, 9 formulations were defined, for each type of concrete, three compositions are defined:
a composition without fiber, a composition containing polypropylene fibers with a dosage of 2 kg/m3, a composition containing steel fibers with a dosage of 40 kg/m3.
The different concretes were subjected to a real fire, the speed to increase of temperature is 67.3 °C/min, the total duration of exposure to fire is about 85 minutes. The study shows a drop in physical and mechanical performance of different concretes. |
Diplôme : |
Magistère |
En ligne : |
../theses/gcivil/ALL6863.pdf |
Format de la ressource électronique : |
pdf |
Permalink : |
index.php?lvl=notice_display&id=10177 |
|