1. DESIGN OF NON VENTED DRIFTS AND KEY WALLS IN SEASONAL RIVERS
KITUI TRAINING
10TH APRIL 2017
Eng. Benson M. Masila
KENYA RURAL ROADS AUTHORITY
KENYA
DRAWINGS

2. TYPICAL RURAL ROAD CROSS SECTION

3. CONSTRUCTION OF DRIFTS IN SANDY RIVER BED - PLAN

4. CROSS SECTION OF DRIFT – IN SANDY RIVER BED

5. LONGITUDINAL PROFILE OF DRIFT IN SANDY RIVER BED

6. LONGITUDINAL PROFILE OF DRIFT IN ROCKY RIVER BED

7. CROSS SECTION OF DRIFT – IN SANDY RIVER BED

8. CONSTRUCTION OF DRIFTS IN SWAMPY PLANES - PLAN

9. CROSS SECTION OF DRIFT – IN FLOOD PLANES

10. CONSTRUCTION OF KEY WALLS TYPICAL PLAN

11. CONSTRUCTION OF KEY WALLS TYPICAL CROSSSECTION

12. LONGITUDINAL PROFILE FOR KEY WALL

13. GABION CONSTRUCTION WORKS PLAN AND CROSS SECTION

14. DRIFT FAILURE MECHANISMS