To Predict The Heaving Potential of Soils Using GIS Presented by Sachin Kunagalli.

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Presentation transcript:

To Predict The Heaving Potential of Soils Using GIS Presented by Sachin Kunagalli

To Predict The Heaving Potential of Soils Using GIS Objective The objective of the project is to predict the soil series along the route SH 130 that are presumed to heave after lime stabilization.

To Predict The Heaving Potential of Soils Using GIS Overview A pavement surface course is generally one of the two forms: Portland cement concrete or asphalt concrete. Lime stabilization comes into picture when the subgrade soil is very soft. The problem of heaving is common when sulfate is present in the subgrade soil. A secondary mineral called ETTRINGITE is formed under favorable conditions.

To Predict The Heaving Potential of Soils Using GIS 1.Abundant amount of water 2.High Sulfate concentration

To Predict The Heaving Potential of Soils Using GIS Why GIS? Huge data Time Money

To Predict The Heaving Potential of Soils Using GIS Data Soil survey map from SSURGO Map of counties of Texas with all major roads (paper map) Geological map of Texas (paper map)

To Predict The Heaving Potential of Soils Using GIS Procedure  Gather data regarding calcium carbonate, soil swelling, water capacity and sulfate.

To Predict The Heaving Potential of Soils Using GIS Procedure  Manually feed in all the data gathered from the county soil survey report.

To Predict The Heaving Potential of Soils Using GIS

Procedure  Scan the map of geology of Texas and also the map of Texas with all major roads.

To Predict The Heaving Potential of Soils Using GIS

Procedure  Digitize the map and georeference the paper map.

To Predict The Heaving Potential of Soils Using GIS Grid map of SH 130

To Predict The Heaving Potential of Soils Using GIS Route map of SH 130

To Predict The Heaving Potential of Soils Using GIS Calcium carbonate concentration

To Predict The Heaving Potential of Soils Using GIS Soil swell

To Predict The Heaving Potential of Soils Using GIS Water capacity

To Predict The Heaving Potential of Soils Using GIS Sulfate concentration

To Predict The Heaving Potential of Soils Using GIS Heaving potential areas

To Predict The Heaving Potential of Soils Using GIS Use Predicts heaving potential areas. Reduces time Gives the mineral compositions like sulfate, calcium carbonate, soil swell and the water capacity for whole of Williamson county.

To Predict The Heaving Potential of Soils Using GIS Questions?