Slopes and Landslide Vulnerability Checking and Data Storing
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Total Sum:
Susceptibility Analysis status:
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Slope and Landslide Vulnerability Checking and Data Storing Tool
This web-based tool simplifies field surveys, landslide hazard scoring, and centralized data submission for geotechnical and highway engineering assessments.
Key Features & Workflow
Geospatial Pinpointing
Uses an embedded Leaflet OpenStreetMap interface. Clicking anywhere on the map automatically populates precise latitude and longitude values into form fields.
Real-Time Vulnerability Scoring
Aggregates weights across 17 geotechnical, geological, and structural parameters using an automated evaluation function.
Automated Cloud Sync
Submits structured field logs directly to a central database via Google Apps Script POST requests.
Historical Data Inspection
Fetches live CSV output from published records, populating a selection menu to let engineers review past survey data on the fly.
Technical Evaluation Logic
Each selected parameter maps to a specific numerical rating (ranging from 1 to 3 based on risk severity). The tool sums these values to generate a cumulative Susceptibility Score (minimum 17, maximum 51) and assigns a vulnerability classification.
| Parameter Evaluated | Input Options & Risk Weights |
|---|---|
| Location Risk |
• On Highway Without Settlement (1) • On Highway Near Settlement (2) • Near Railways / Critical Infrastructure (3) |
| Slope & Cutting Geometry |
• Height: 0-10m (1), 10-30m (2), >30m (3) • Slope Angle: <35° (1), 35-50° (2), >50° (3) • Cut vs Natural Slope: Gentle (1), Moderate (2), Steep (3) |
| Geological & Hydrological Factors |
• Lithology, Joint Sets, RMR Grade • Water Conditions: Dry (1), Dripping (2), Flowing (3) • Bedding Direction: Inside (1), Oblique (2), Towards Road (3) |
Susceptibility Classification Thresholds
| Total Score Range | Risk Classification | Action Required |
|---|---|---|
| 17 or lower | Less Susceptible | Standard routine monitoring. |
| 18 to 34 | Moderately Susceptible | Periodic inspection required; check drainage and surface cover. |
| 35 to 51 | Highly Vulnerable | Immediate engineering intervention required (e.g., retaining structures, rock bolting, shotcreting). |
Field Operational Steps
- Select highway classification, enter the specific road number, and log the landslide chainage.
- Click the exact site location on the Leaflet map to capture GPS coordinates.
- Complete the dropdown inputs for slope geometry, lithology, water seepage, and structural orientation.
- Click Check Vulnerability to calculate the overall score and risk category.
- Click Send Data to Google Sheet to transmit the record to the central inventory database.
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