M. BOUGUERRA Kheireddine

MCA

Directory of teachers

Department

CIVIL ENGINEERING

Research Interests

Modélisation des structures en béton par éléments finis Structures en béton renforcé avec de l'armature en matériaux composites

Contact Info

University of M'Sila, Algeria

Email : kheireddine.bouguerra@univ-msila.dz

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Recent Publications

2018

EXPERIMENTAL AND NUMERICAL INVESTIGATIONS OF FRP- REINFORCED BRIDGE DECK SLABS

Durability of concrete bridge deck slabs in harsh environments is a major concern. Corrosion of steel reinforcement due to de-icing salt is a common problem that led many researchers to use different types of non-corrosive rebars. The use of Fiber Reinforced Polymer bars (FRP) was considered as a design alternative due to their corrosion free behaviour and their high strength to weight ratio, especially for short span bridges. This paper presents comparison of the results of the Finite Element Modelling (FEM) of FRP reinforced concrete bridge deck slabs with restrained edges under concentrated static loads versus experimental test results. The FEM includes the test setup which represents the bridge structure and thus, there was no need to calibrate the slab restraint edge stiffness in the FE model from the experimental results, which is the common way. Hence, the FE model can be run before experiments and gives the opportunity to simulate different tests, varying different parameters in a very short time of comparison. Results show that FE modelling of the FRP reinforced slab including the supporting girders gives very close values in term of ultimate load, stress in FRP bars, deflection and failure mode when compared with experimental results.
Citation

M. BOUGUERRA Kheireddine, Hany Tobbi, Brahim Benmokrane, , (2018), "EXPERIMENTAL AND NUMERICAL INVESTIGATIONS OF FRP- REINFORCED BRIDGE DECK SLABS", [national] 10th International Conference on Short and Medium Span Bridges , Québec city, Canada

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2015

Isolation Sismique des Ponts en Algérie: Règles et Perspectives

Ce papier présente les fondamentaux de la technologie de l’isolation sismique de la base et de son application aux ponts. Il discute dans ce contexte de la réglementation parasismique algérienne sur les ouvrages d’Art (RPAOA) et présente quelques éléments de comparaison avec les spécifications en vigueur au Canada et aux États Unis. Il présente un survol des différents systèmes utilisés notamment au Canada et explore également le potentiel de l’utilisation de l’isolation sismique de la base sur les ponts en Algérie. Sur la base du spectre de calcul sismique d’Alger et d’analyses dynamiques non linéaires utilisant des enregistrements sismiques du séisme de Boumerdès (Algérie), ce papier explore le potentiel de gain et d’efficacité que peut apporter l’application de cette technologie à la conception et la réhabilitation sismique des ponts dans les contextes sismique, climatique et normatifs algériens. Il démontre que l’option de l’isolation sismique de la base permet une réduction importante, de 3 à 12 fois, des forces sismiques de conception notamment pour les ponts stratégiques situés dans la zone sismique la plus forte (zone III) sur un sol ferme à dur. Cependant, les simulations numériques effectuées mettent en évidence la possibilité de déplacements résiduels élevés. Ils indiquent qu’un choix judicieux et balancé est requis pour assurer un bon compromis entre la réduction des forces sismiques et le contrôle du déplacement sismique maximum et résiduel.
Citation

M. BOUGUERRA Kheireddine, Lotfi Guizani, Mohammadreza Moradiankhabiri, Mohamed Naimi, , (2015), "Isolation Sismique des Ponts en Algérie: Règles et Perspectives", [international] 13TH ARAB STRUCTURAL ENGINEERING CONFERENCE , Blida Algérie

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2011

Testing of full-scale concrete bridge deck slabs reinforced with fiber-reinforced polymer (FRP) bars

This paper presents an experimental study investigating the behavior of FRP-reinforced concrete bridge deck slabs under concentrated loads. A total of eight full-scale deck slabs measuring 3000-mm long by 2500-mm wide were constructed. The test parameters were: (i) slab thickness (200, 175 and 150mm); (ii) concrete compressive strength (35–65MPa); (iii) bottom transverse reinforcement ratio (1.2–0.35%); and (iv) type of reinforcement (GFRP, CFRP, and steel). The slabs were supported on two parallel steel girders and were tested up to failure under monotonic single concentrated load acting on the center of each slab over a contact area of 600×250mm to simulate the footprint of sustained truck wheel load (87.5 kN CL-625 truck). All deck slabs failed in punching shear. The punching capacity of the tested deck slabs ranged from 1.74 to 3.52 times the factored load (Pf) specified by the Canadian Highway Bridge Design Code (CHBDC) CAN/CSA S6-06. Besides, the ACI 440.1R-06 punching strength equation greatly underestimated the capacity of the tested slabs with an average experimental-to-predicted punching capacity ratio (Vexp/Vpred) of 3.17.
Citation

M. BOUGUERRA Kheireddine, Journal of Construction and Building Materials, , (2011), "Testing of full-scale concrete bridge deck slabs reinforced with fiber-reinforced polymer (FRP) bars", [international] Journal of Construction and Building Materials , ELSEVIER , www.elsevier.com/locate/conbuildmat

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2009

LABORATORY INVESTIGATION ON THE BEHAVIOR OF GFRP- REINFORCED CONCRETE DECK SLABS

This research study is the third phase of a comprehensive experimental program conducted at the
Department of Civil Engineering at University of Sherbrooke to investigate the behavior of restrained
concrete bridge deck slabs reinforced with FRP bars. The first and second phases investigated the
behavior of concrete bridge deck slabs under static and fatigue loads (El-Gamal et al. 2005; El-
Ragaby et al. 2007). In those phases, the thickness of the slabs was 200 mm and normal strength
concrete was used for all specimens. The third phase of this study, which is presented herein,
investigates two additional parameters: (a) the deck slab thickness; and (b) the concrete compressive
strength. This study will help for more understanding of the influence of these two parameters on the
behavior of FRP-reinforced concrete bridge deck slabs. This could also assist in finding a good
combination of the deck slab thickness and the concrete strength that allows the construction of more
efficient and less expensive bridge deck slabs.
Citation

M. BOUGUERRA Kheireddine, Sherif El-Gamal, Brahim Benmokran, , (2009), "LABORATORY INVESTIGATION ON THE BEHAVIOR OF GFRP- REINFORCED CONCRETE DECK SLABS", [international] 9th International Symposium of the Fiber-Reinforced Polymer Reinforcement for Reinforced Concrete Structures (FRPRCS-9) , Sydney, Australia

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2007

DURABILITY OF GFRP INTERNAL REINFORCEMENT: MECHANICAL PROPERTIES AFTER MOISTURE ABSORPTION

Glass fibre-reinforced polymers are not susceptible to corrosion yet may suffer other degradation mechanisms due to adverse environments such as moisture and high temperature. In this study, three groups of tests have been conducted on some new-generation GFRP bars, produced by Pultrall Inc. at the Université de Sherbrooke environmental laboratory. The first group purported to quantify the amount of water absorbed by GFRP bars (12.7 mm and 15.9 mm in diameter) under the combined effect of elevated temperature (60 o C) and immersion in water. The samples used were GFRP bars with a single layer of sand coating, two layers of coating as well as the conventionally coated GFRP bars commercially available. Conditioning took place for a period of 120 days. Results from the tests were compared to results of identical tests on bars exhibiting the single effect of elevated temperature (60 o C). The second and third groups, for flexure tests and shear tests respectively, were conducted on the same type of bars after exposure to the same aforementioned conditions. Results showed that the size of the tested samples proved to be parameters that affect GFRP water absorption. Samples of 102 mm length retain a moisture percentage, in weight, less than half that of the 25 mm samples. Increasing the number of sand-coating layers on the bars significantly increases the absorbed moisture percentage. Furthermore, the reduction in flexural strength of the bars tested, after being exposed to the combined effect of elevated temperature (60 o C) and immersion in water, was in the order of 14 to 19%. Companion shear strength samples showed a reduction in the order of 14%.
Citation

M. BOUGUERRA Kheireddine, Tarek Youcef, Brahim Benmokrane, , (2007), "DURABILITY OF GFRP INTERNAL REINFORCEMENT: MECHANICAL PROPERTIES AFTER MOISTURE ABSORPTION", [international] DURABILITY AND FIELD APPLICATIONS OF FIBRE REINFORCED POLYMER (FRP) COMPOSITES FOR CONSTRUCTION , Québec city, Canada

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