16ème Congrès Régional Africain de Mécanique des Sols et de Géotechnique - Tunisie - 27-30 avril 2015
Congrès Régionaux Africains

CONFERENCES PLENIERES / KEYNOTE LECTURES

1. Pratique de la géotechnique routière en Afrique intertropicale
Etienne Marcelin KANA (Cameroun)

2. Development in deep excavation and deep foundation technologies
R. Katzenbach, S. Leppla, M. Seip (Germany)

3. Landslides in saturated and unsaturated soils
E. E. Alonso (Spain)

4. Normalisation en Géotechnique
M.I. Zerhouni (France)

5. Controlled Low Strength Materials (CLSM) with Native Clays for Geotechnical Civil Infrastructure: Design, Challenges, and Sustainability Assessments
A. J. Puppala, T. V. Bheemasetti, D. H. Marshall (USA)

SESSION 1 : COMPORTEMENT DES SOLS / SESSION 1 : SOIL BEHAVIOUR

1. Analysis of the time-dependent deformation behavior of soft soils
R. Katzenbach, S. Leppla (Germany)

2. Determination of the modulus of deformation using static and dynamic plate load tests
R. Katzenbach, S. Leppla(Germany)

3. Effects of Matric Suction on the Shear Strength of Highly Plastic Compacted Clay
A.M. Elsharief, O.A. Abdulaziz (Sudan)

4. Comparison of shear strength characteristics of cohesive soils evaluated by the triaxial Mohr’s circle and stress path methods
A.K.M. Zein (Sudan)

5. Saturation and Sample reconstitution Effects on the Mechanical Behavior of Chlef Sand in Northern
Algeria-An Experimental study
N. Della, M. Belkhatir, J. Canou, J.C. Dupla (Algeria, France)

6. Influence de l’initialisation des contraintes sur les résultats des calculs par la méthode des éléments finis.
M.D. Ngom, S. Burlon, N. Droniuc, J.P. Magnan (France)

7. Comportement sur chemin œdométrique à succion contrôlée de l’argile du barrage de Boughrara (Tlemcen).
F.E.M. Derfouf, S. Taïbi, N. Abou-Bekr, M.A. Allal (Algérie)

8. Analyse de la réponse hydromécanique des sols compressibles saturés
A. Zadjaoui (Algérie)

9. Des Lois de Comportement des Géomatériaux Pertinentes pour les Calculs aux Eléments Finis
E. Bourgeois, D. Remaud (France)

10. Hydraulic Properties of South African clayey soils as Landfill barriers
F.N. Okonta, L.J. Moatlhodi, O.O. Ojuri, P. Meruti (South Africa, Nigeria)

11. Effect of gravel fractions on direct shear strength of sand
F.N. Okonta, L.J. Moatlhodi (South Africa)

12. Assessment of clays by small-scale suction tests
P. Stott, E. Theron (South Africa)

13. Shortcomings in current methods of identification and assessment of expansive clays
P. Stott, E. Theron (South Africa)

SESSION 2 : CARACTERISATION DES SOLS / SESSION 2 : SOIL CHARACTERIZATION

1. Utilisation du CPT'u et du pressiomètre pour la qualification de la classe de sol et pour l'estimation de Gmax.
J.C. Gress (France)

2. Undrained Shear Strength of a Libyan Marine Soil
S. Khatrush, G. El-Gehani (Libya)

3. Application of the nchrp-1-28 resilient modulus model for characterizing granular material in sudan
Omer G. Omer, A.M. Elsharief (Sudan)

4. Geotechnical properties of polymer stabilised backfill soils
F.N. Okonta; L.J. Moatlhodi; T. Makharamedzha, M.T. Nhlapho (South Africa)

5. Efficient Geophysical Survey for Geotechnical Site Investigation
F.S. Elburas, Bahia M. Ben Ghawar, M.T. Shakshuki (Libya)

6. Determination of Jet Grout Column Diameter Using Seismic Crosshole Methods
T. Fechner, S. Mackens, J.C.G. Guerreros, E. Niederleithinger (Germany)

7. An Experimental Study on the Identification and Classification of Collapse Potential of Some Soils in Sudan
M.A. Osman, E.M. Ali Ahmed

SESSION 3 :FONDATIONS PROFONDES ET SUPERFICIELLES / SESSION 3 : DEEP & SHALLOW FOUNDATIONS

1. Optimisation and safety of urban geotechnical construction projects
R. Katzenbach, S. Leppla (Germany)

2. Intérêt des bases de données géotechniques dans l’étude des fondations
F. Debiche, R. MiticheKettab, F.A. Nechnech (Algérie)

3. Comportement d’un pieu isolé sous sollicitation axiale cyclique–Modélisation par éléments finis et construction des boucles hystérétiques de frottement latéral
M. Khouaouci, A. Bouafia (Algérie)

4. Numerical Analysis of Shallow Foundations on Purely Cohesive Soil under Eccentric Loading
N.E.H. Khitas, A. Mabrouki, D. Benmeddour, M. Mellas (Algeria)

5. Comparaison entre la capacité portante in situ et théorique de différents pieux battus dans les terrains alluvionnaires.
E. Kenmogne, E. Wemeyi, J.R. Martin (Cameroun)

6. Développement d’une loi t-z cyclique à partir d’essais en laboratoire et d’expérimentations en vraie grandeur
Z. Abchir, S. Burlon, R. Frank, A. Le Kouby (France)

7. Deep foundations and underground structures – Tailor-made solutions for soft soil
M. Schoepf (Germany)

8. Investigation of the influence of vertical loads on the lateral response of pile foundations in clayey soils
L. Hazzar, M.N. Hussien, M. Karray (Canada)

9. Particle image velocimetry analysis on the sinking of shallow foundation in 2D
P. Pizette, N.E. Abriak (France)

10. Numerical Modeling of Piles in Expansive Soil
N. ElSakhawy, T. Nageeb, R. El Badawy (Egypt)

11. Consequences of Geotechnical Uncertainties in Predicting Settlement of Shallow Foundation on Sands
M. I. Lingwanda, S. Larsson, D.L. Nyaoro (Tanzania, Sweden)

12. Rehabilitation and underpinning of a building classified as a national patrimony
S. Boubaker (Tunisia)

13. Retaining Structures and Special Foundations at the Platinum Tower, in Maputo
A. Pinto, R. Tomásio, R. Coelho and R. Nicolas (Portugal)

SESSION 4: AMELIORATION DES SOLS / SESSION 4: GROUND IMPROVEMENT

1. Evaluation of Index and Strength Characteristics of Clay Soil Stabilized with Lime as Subgrade Material in Jonglei, South Sudan
S. Jjuuko, P.B. Matio, D. Kalumba (South Africa, Uganda)

2. Reinforcement of Base Course Consist of Black Cotton Soil using Do-nou Technology
Y. Daito, Y. Fukubayashi, M. Kimura (Japan)

3. Analyse statique par éléments finis des fondations superficielles sur sol renforcé par inclusions rigides
N. Djeraf, A. Nechnech (Algérie)

4. Etude de la résistance au cisaillement d’une argile surconsolidée expansive traitée aux liants hydrauliques
A. Mahamedi, M. Khemissa (Algérie)

5. On the behaviour of columnar-reinforced foundations
M. Bouassida, M. Klai, S. Tabchouche, M. Mellas (Tunisie, Algérie)

6. Reduction of clay soil collapsibility using cement-polymeric fiber admixture
M.M. El-Emam, M.F. Attom, Z.H. Khan (United Arab Emirates)

7. Effect of Salinity on Hydrated Lime Stabilized Swelling Clays from Sudan
A.M. Elhassan, A.M. Elsharief (Sudan)

8.Geotextile-encased columns (GEC) and local available mineral aggregate (e.g. sand) An innovative and economic foundation system for embankment on soft soil
L. Sakou, J. Bruhier, R. Arab, R. Medjo, P. Assinder (Germany, France, Cameroun)

9. Use of Stone Columns for liquefaction mitigation
Z. Bensalem, W. Frikha, M. Bouassida (Tunisia)

10. Study on effect of Sisal fiber-reinforcement on Tensile strength of clay soil using newly developed tensile strength measuring apparatus.
M. Chebbi, M. Jamei, H. Guiras (Tunisia)

11. Experimental study of Tunis soft soil improved by deep mixing column
W. Frikha, H. Zargayouna, S. Boussetta, M. Bouassida (Tunisia)

12. Experimental study for the mechanical characterization of Tunis soft soil reinforced by a group of sand columns
W. Frikha, W. Kaffel, M. Bouassida (Tunisia)

13. Numerical analysis of embankments on soft clay improved by PVDs
M.A. Mansour, A.M. Samieh, M.H. Mahmoud (Egypt, Qatar)

14.  Analysis  of  performance  of  preloading  vertical  drain  system  for  improvement  of  soft  clay  soil comparative study between 2D And 3D numerical techniques (Egypt)
M. H. Rabie, M. A. El Hamed

15. High strength earth blocks reinforced with natural and polymeric fibers
M.M. El-Emam, A.K. Al-Tamimi, A. Aljallad, M. Al-Moukdad, A. Al-Marei, and M. Noaman (United ArabEmirates)

SESSION 5: GLISSEMENT DES TERRAINS ET STABILITE DES PENTES / SESSION 5: LANDSLIDES AND SLOPE STABILITY

1. Analyse de stabilité et stabilisation du versant urbanisé de Tizi-N’Béchar (wilaya de Sétif, Algérie)
A. Seddiki, M. Khemissa (Algérie)

2. The present-day landslide of the Moulares phosphates mines (west-central Tunisia): Origin and evolution
F. Dhahri, R. Benassi, K. Zeyeni, N. Boukadi (Tunisia)

3. Etude à la rupture des murs de soutènements ancrés par la méthode cinématique des solides rigides
F.Z. Benamara, L. Belabed (Algérie)

4. Contribution to study and mapping of the risks induced by Tigzirt landslides (Algeria)
L. Djerbal, I. Khoudi, N. Alimrina, R. Bahar& B. Melbouci (Algérie)

5. Comparative study of analytical and numerical methods in slope stability. A case study of an open slope mining in DRC
J. ShimatuMbuyi, H. TshimangaNzokona and V. FarialaMuchanga (RDC)

SESSION 6: GEOTECHNIQUE ENVIRONNEMENTALE / SESSION 6 : ENVIRONMENTAL GEOTECHNICS

1. Faisabilité de la récupération d’énergie à partir du biogaz dans la décharge de Sousse, Tunisie
M. Zairi, A. Kammoun, N. Hcine, Y. Frikha, S. Abid (Tunisia)

2. Valorisation  de sable  de dune pour la conception de barrières ouvragées dans les régions arides
M.K. Gueddouda, I. Goual, M.S. Goual, S. Taibi, N. Abou-bekr, M. Lamara (Algérie, France)

3. Geogrid reinforced structures for important infrastructure projects
O. Naciri, L. Vollmert (Germany)

4. Case history report: Geotextile encased columns (GEC’s) - Highway A2 in Poland
L. Sakou, J. Bruhier, R. Arab, P. Assinder, J. Sobolewski (Germany, France)

5. Expérience rwandaise dans les ouvrages de soutènement en sol renforcé
L. Sakou, J. Bruhier, R. Arab, R. Medjo, P. Assinder(Germany, France)

6. Traitement de talusmarneux par ungeosynthétiquealvéolaire :cas de l’autorouteestouest en Algérie.
S. Tabti, F. Cherifi (Algérie)

7. Formulationof a newroad material based on treateddredged marine sediments
W. Maherzi, F. Ben Abdelghani(France, Tunisia)

8. Chemical andphysicalcharacterizationofGabes marine sediments
A. Missaoui, I. Said, E. Hamdi, Z. Lafhaj (Tunisia, France)

9. MSE wall foundationcomposedof granular soilmattressesreinforcedwithgeogrids: the Herb Grey Parkway (Windsor, Canada) casestudy
P. Rimoldi, A. Grimod (Italy, France)

10. Influenceof Earth Pressure Cells Installation Methods on Measurement Accuracy
A. A. Mirghasemiand D. Safaifard (Iran)

SESSION 7: SOLS LATERITIQUES / SESSION 7: LATERITIC SOILS

1. The Effect of Pretreatment on Index and Compaction properties of a Lateritic Gravel
I.K Ampadu, P. Ackah, F. Owusu-Nimo, F. J. F. Ayeh (Ghana)

2. Basic engineering properties of laterites in Muglad basin, Western Kordofan, Sudan
T. Elkhawad, H. Elarabi, S. Bashier (Sudan)

3. A laboratory investigation of the effect of used oil contamination on the direct shear behavior of a lateritic soil
F.J.F. Ayeh, S.I.K. Ampadu, F. Owusu-Nimo, F.K. Boadu and A. Lawer (Ghana)

4. Quasi-static numerical modeling of an ore carrier hold
S. Daoud, S. Ennour, I. Said, M. Bouassida (Tunisia)

5. Correlations between CBR index, modified proctor’s characteristics, and identification parameters of lateritic soils in Cameroon
E.M. Kana, M. Mamba, T.R.F. Fangleu (Cameroon)

6. Interaction sols latéritiques-rejets des concentrateurs: quel(s) impact(s) ?
G. MukokoKalenda, J.F. Thimus; D. NgoieNsenga (Belgique)

7. Prediction of Compaction Density of Lateritic Soil Base Pavement Layers from Dynamic Cone Penetration Values in Uganda
S. Jjuuko, D. Kalumba, H.K. Mutaasa, J. Lukanda (South Africa)

SESSION 8: ARGILES GONFLANTES / SESSION 8: EXPANSIVE CLAYS

1. Duplicate testing conducted on the input parameters for the estimation of potential expansiveness of clay.
W. Badenhorst, E. Theron, P. Stott (South Africa)

2. Effect of cyclic loading on the behavior of swelling clays
A. Medjnoun, R. Bahar (Algeria)

3. L’évaluation de la susceptibilité au retrait et gonflement des sols argileux du site d’un projet urbain à Diamniadio (Dakar, Sénégal)
A. Mbengue,M.M. Ndiaye, I.K. Cisse (Sénégal)

4. Problematic soil mechanics in the Algerian arid and semi-arid regions (case of M’sila expansive clays)
M. Khemissa, A. Mahamedi, L. Mekki (Algeria)

5. Influence de l’ajout du système chaux ciment sur le potentiel de gonflement et de la microstructure d’une argile naturelle d’Algérie
S.A BourokbaMrabent, A. Hachichi, L. Bengra, M. Boudia(Algérie)