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  5. Cotonou (Benin), 29-30 October 2009

Geotechnics and unpaved roads

Cotonou (Benin), 29-30 October 2009

This international Seminar has been jointly organized by the Ministry's delegate to the President of the Republic responsible for land Transport and the Public Works and the PIARC Technical Committee D.4 'Geotechnics and unpaved Roads', with the contribution of AGEPAR and the Benin's National Committee to PIARC.

Preparatory Documents

Seminar proceedings (English and French)

Presentation on PIARC. Franck CHARMAISON, Deputy General Secretary, PIARC, France

French

Introduction to PIARC Technical Committee D.4'Geotechnics and unpaved Roads'. Martin SAMSON, Chair of TC D.4, Canada

 

Theme 1: Issues and recent developments in technical design and construction of unpaved Roads

1-Les routes non revêtues au Bénin: conception et réalisation. Michel ATADJO, MDCTTTATP-PR/DGTP, Benin

French

  • Other presentation

French

2-Les caractéristiques géotechniques des matériaux de chaussée: recherche de carrière par le CNERTP. Valère D. MONTCHO, Director of Research at CNERTP, Benin

French

3-La classification des sols. Jean-Pierre MAGNAN, LCPC, France

French

Roundtable on Theme 1

Moderators: Jean-Pierre MAGNAN, France and Georges GANDONOU, Benin

Theme 2: Maintenance of geotechnical structures and unpaved roads

2-1: Geotechnical structures:

  

1-Remblais sur sols compressibles: la digue de Tovêgbamè. David T OLODO, MDCTTTATP-PR/SGM, Benin

French

2-Stabilisation des glissements des sols par des actions hydrogéologiques. Aurèle PARRIAUX, EPFL Professor, Switzerland

French

2-2: Maintenance of unpaved roads:

  

1-Programmation, exécution et suivi des travaux d'entretien routier. Lucien HOUSSA, Coordinator at MDCTTTATP-PR, Benin

French

2-Financement des travaux annuels d'entretien routier: critères d'éligibilité et mécanisme du paiement. Sylvestre KOTCHOFFA, D/Fonds routier, Benin

French

3-Low costs earth and gravel in road maintenance. Alex KIDD, Highways Agency, United-Kingdom

English

Roundtable on Theme 2

Moderators: René LOKO, Benin and Martin SAMSON, Canada

Theme 3: Innovations and Research

1-Les matériaux de substitution du graveleux latéritique en corps de chaussée. David T OLODO, MDCTTTATP-PR/SGM, Benin

French

2-Renforcement des sols mous par des colonnes ballastées: cas d'un site à la berge lagunaire de Porto Novo. Séverin EBLOHOUE, CNERTP, Benin

French

3-Enduits superficiels renforcés par géotextile (ESRG) pour protection des routes en terre. Jean-Claude AURIOL, LCPC, France

French

4-Expérience béninoise de la méthode HIMO dans l'entretien routier des routes non revêtues. ADETUTU, DANIDA Consultant, Benin

French

5-Utilisation des sables asphaltiques de Mavuma (RD Congo) pour la réparation de nids de poule. Yves HANOTEAU, CTB, presented by Bernard DETHY, CRR, Belgium

French

6-Evolution des travaux de 1997 à 2009.

French

Roundtable on Theme 3

Moderators: Sylvain AKINDES, Benin; Jean-Claude AURIOL, France

General Conclusions. Martin SAMSON, Chair of TCD.4, Canada

French

Closing session:

  

Presentations by David OLODO, PIARC First Delegate for Benin:

  • Introduction to PIARC National Committee in Benin
  • Introduction to the AGEPAR permanent Secretariat (French)
  • Introduction to the Organizing Committee of the Seminar

Closing speech of the Minister. Nicaise K. FAGNON, MDCTTTATP-PR, Benin