Engineering Geological Study of Soils and Rocks #sciencefather #researcher #urban

Engineering Geological Characterization of Soils and Rocks for Urban Planning

🔍 Why This Study Was Done

Before building anything—homes, roads, or offices—we must understand the ground beneath. This study in Wolaita Sodo Town helps to identify the types of soils and rocks in the area and how suitable they are for construction and city planning.

🧱 What the Study Looked At

The researchers checked:

• Soil moisture and weight

• How much soil shrinks or swells

• Soil strength

• Types of soils and rocks

• Rock quality and stability

🌱 Key Soil Results

• Moisture Content: 23% to 44% – this affects how soil behaves when wet.

• Specific Gravity: 2.68 to 2.81 – tells us how dense the soil is.

• Activity (0.34–0.78): Soils are stable and don’t expand much with water.

• Shrinkage: Some shrinking happens, but not too much (5% to 11.43%).

• Free Swell: Soils expand a little when wet (5% to 23%) – considered low.

• Strength: Soils are very stiff and can support buildings (215.8 to 333.5 kPa).

🧪 Soil Types Identified

Using classification systems:

• USCS: Soils are lean clays, fat clays, and clayey silts.

• BSCS: Soils are intermediate or high plastic clays, and silts.

This helps engineers choose the right foundation for buildings.

🪨 Rock Quality Results

• Rock Quality (RQD): 47% to 98% – some rocks are poor, others excellent.

• Rock Mass Rating (RMR): 44 to 90 – rocks are fair to very good.

This tells us which areas are safe for large buildings or need extra support.

🗺️ Engineering Geological Map

The study produced a map showing:

• Safe places for buildings

• Areas with weak soil or rock

• Zones that may need soil improvement

This map helps planners and builders avoid unsafe areas.

✅ Why This Study Matters

This study helps:

• Build stronger, safer structures

• Save money and materials

• Avoid future problems like cracks or sinking

• Plan the city better

📌 Conclusion

Wolaita Sodo's soils and rocks are mostly suitable for building, but some areas need special care. Thanks to this study, the town can grow smarter and safer with better construction and planning decisions.

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