Titre :	Contribution to the study of the compatibility of self-compacting repair mortar based on local materials reinforced with sisal fibers
Type de document :	texte manuscrit
Auteurs :	Anfal Djamed, Auteur ; Zohra Kouidri, Directeur de thèse
Editeur :	Laghouat : Université Amar Telidji - Département d'architecture
Année de publication :	2020
Importance :	99 p
Format :	30 cm
Note générale :	Option : Materials of Civil Engineering
Langues :	Anglais
Mots-clés :	Concrete repair  Compatibility  Bond strength  Pull-off  Slant shear  splitting tensile.
Résumé :	Reinforced concrete is the most widely used material in the world, but is designed with a specific service life and deteriorate over time due to their exposure to environmental conditions. In order to increase the service life of concrete structures, they can sometimes be rehabilitated and repaired using repair materials. However, problems may develop between the repair material and old concrete due to differential deformation between them. Due to the availability of a wide variety of repair materials in the construction field with a wide range of physical and mechanical properties, it is important to determine the compatibility of a repair material with the old concrete. Good bond strength between overlay and substrate is a key factor in performance of concrete repair. The aim of this work is to study the compatibility of self-compacting repair mortars based on dune sand, limestone sand and sisal fibers. Compressive strength, flexural strength, shrinkage, elastic modulus, porosity and capillary water absorption of the repair materials were individually measured in the first part. In the second part, the compatibility was investigated using a pull-off, slant shear, and splitting tensile tests. Results indicate that elaborated repair mortars present excellent adhesion to the substrate compared to the Ready-Mixed Mortar (RMM).
note de thèses :	Mémoire de Master en génie civil

Contribution to the study of the compatibility of self-compacting repair mortar based on local materials reinforced with sisal fibers [texte manuscrit] / Anfal Djamed, Auteur ; Zohra Kouidri, Directeur de thèse . - Laghouat : Université Amar Telidji - Département d'architecture, 2020 . - 99 p ; 30 cm.
Option : Materials of Civil Engineering
Langues : Anglais

Mots-clés :	Concrete repair  Compatibility  Bond strength  Pull-off  Slant shear  splitting tensile.
Résumé :	Reinforced concrete is the most widely used material in the world, but is designed with a specific service life and deteriorate over time due to their exposure to environmental conditions. In order to increase the service life of concrete structures, they can sometimes be rehabilitated and repaired using repair materials. However, problems may develop between the repair material and old concrete due to differential deformation between them. Due to the availability of a wide variety of repair materials in the construction field with a wide range of physical and mechanical properties, it is important to determine the compatibility of a repair material with the old concrete. Good bond strength between overlay and substrate is a key factor in performance of concrete repair. The aim of this work is to study the compatibility of self-compacting repair mortars based on dune sand, limestone sand and sisal fibers. Compressive strength, flexural strength, shrinkage, elastic modulus, porosity and capillary water absorption of the repair materials were individually measured in the first part. In the second part, the compatibility was investigated using a pull-off, slant shear, and splitting tensile tests. Results indicate that elaborated repair mortars present excellent adhesion to the substrate compared to the Ready-Mixed Mortar (RMM).
note de thèses :	Mémoire de Master en génie civil