Numerical analysis of slope stability and deformation behaviour of road embankment.

Numerical analysis of slope stability and deformation behavior of road embankment By Aamir Ali G.L (12CE37) Kumar Sunny A.G.L (12CE33) Shahnawaz Bijarani (12CE49) Azhar Ahmed Chacho (12CE89) Sadam Hussain (12CE115) Muhammad Rashid Phulpoto (12CE127)

Problems in road embankments in flood regions

Problems in road embankments in flood regions

Erosion

Seepage

Sliding

Overflow

Poor planning ,faulty design and construction

Data Collection

Location

Collection of samples

Laboratory Testing

Numerical Analysis

Finite element method

Plaxis 2D

Plaxis 2D

Input Parameters

Saturated Density Unsaturated Density Permeability Young’s modulus Poison’s ratio Cohesion Friction angle

Model Geometry

Mesh Generation

Phreatic level before flood

Phreatic level after flood

Total displacement before flood

Total displacement after flood

Failure zone before flood

Failure zone after flood

Factor of safety before flood

Factor of safety after flood

Conclusion

Factor of safety

Embankment was safe

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