Site Inspection or Reinforced Earth WALL

MSE Wall - Mechanically Stabilized Earth Wall | Er. Alish Subedi
🪨 GEOTECHNICAL ENGINEERING

Mechanically Stabilized Earth (MSE) Wall

Curious about Re-wall? (technically called Mechanically Stabilized Wall, MSE)

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🏗️ Components of MSE Wall

🧱
Facing Panel

Precast concrete panels that form the visible wall face, providing stability and erosion protection

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Reinforcing Element

Geostraps or steel strips that anchor the wall into the backfill soil

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Compacted Backfill Soil

Select granular fill material compacted to specified density for stability

📊 Why Consistent In-Situ Soil Density Inspection is Mandatory

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Shear Strength
of Backfill Soil
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Pullout Resistance
of Reinforcement
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Settlement Control
of Structure
💡 Key Insight: Proper density ensures the MSE wall performs as designed, preventing failure and ensuring long-term stability.

📋 Compaction Guidelines for MSE Wall

1
Equipment Near Wall Face (within 1.5m)
Use vibratory roller or plate weighing not more than 1.0 MT capacity
Ensure density of minimum 95% of maximum proctor dry density
2
Layer Thickness
Compaction is done in 15 to 20 cm compacted layers

📸 MSE Wall Construction Process

Compaction using small roller at MSE wall side

🚜 Small Roller Compaction

Compaction near wall face using ≤1.0 MT capacity roller

Field Density Test

🔬 Field Density Test

In-situ density testing to verify compaction quality

Placement of Geostraps

🔗 Geostrap Placement

Reinforcing elements being placed in layers

Compaction using heavy roller at inner side

🏗️ Heavy Roller Compaction

High-capacity compaction in inner zones

📌 Key Takeaways

✓ MSE walls consist of facing panels, reinforcing elements, and compacted backfill
✓ Density inspection ensures shear strength, pullout resistance, and settlement control
✓ Light equipment (≤1.0 MT) within 1.5m of wall face
✓ Target density: ≥95% of maximum proctor dry density
✓ Compaction layer thickness: 15-20 cm
🏗️ MSE Wall 🪨 Mechanically Stabilized Earth 🔗 Geostraps 🧱 Facing Panel 📊 Field Density Test 🚜 Compaction Equipment 🪨 Maximum Proctor Density

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