REPAIR OF EMBANKMENT FAILURE ON TERRE ROUGE- VERDUN ROAD - PowerPoint PPT Presentation

Jul 12, 2023 •490 likes •672 views

REPAIR OF EMBANKMENT FAILURE ON TERRE ROUGE- VERDUN ROAD Occurrence of cracks on Terre Rouge Verdun Link Road (TRVLR) and embankment collapse over a stretch of 260 meters in January 2015 Finite element analysis carried out to determine causes

REPAIR OF EMBANKMENT FAILURE ON TERRE ROUGE- VERDUN ROAD
Occurrence of cracks on Terre Rouge Verdun Link Road (TRVLR) and embankment collapse over a stretch of 260 meters in January 2015
Finite element analysis carried out to determine causes of embankment failure due to a layer of soft colluvium and residual breccia
Embankment Failure Area
EXCAVATION OF UNSUITABLE SOIL
Drainage layer & Trench Drain for Efficient Drainage of Subsurface Water
FILL WITH CRUSHED STONE
Landslide During Excavation
STABILIZATION WITH REINFORCED CONCRETE PILES (191 nos.) BORING IN INSTALLATION PROGRESS OF CASING CONCRETING OF INSTALLATION OF REBARS PILE
191 nos. of piles of 1.0 m diameter consisting of 2 rows placed 2.0 m apart with the piles staggered at 2.5 m spacing and average length of 30 m up to bedrock strata 2 ROWS OF REINFORCED CONCRETE PILES
Layout & Profile of stabilization Piles
PILE TESTING SONIC LOGGING TEST LOW STRAIN PILE INTEGRITY TEST
COARSE ROCK FILL 57,500 m 3 crushed stone 0/250 mm & 52,200 m 3 coarse rock fill 0/400
CROSS-SECTION OF TERRE ROUGE- VERDUN EMBANKMENT
ROAD STRUCTURE (LAYING OF CRUSHER RUN)
ROAD STRUCTURE – LAYING OF WEARING COURSE
COMPLETION OF EMBANKMENT TERRE ROUGE-VERDUN

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