Integrated Empirical Correlation between Geological Strength Index (GSI) and Adjusted Rock Mass Rating (RMR_adj): A Field-Based Statistical Model

**Description**

This dataset contains the raw field data used to develop the empirical correlation between the Geological Strength Index (GSI) and the Adjusted Rock Mass Rating (RMR_adj) in the research article entitled "Integrated Empirical Correlation between Geological Strength Index (GSI) and Adjusted Rock Mass Rating (RMR_adj): A Field-Based Statistical Model".

**Data Overview:**
- **Total Records:** 134 field observations
- **Parameters:**
- Geological Strength Index (GSI)
- Adjusted Rock Mass Rating (RMR_adj)
- **Lithological Units:**
- Elika Formation (Massive Dolomite)
- Lar Formation (Limestone)
- Shemshak Formation (Sandstone, Siltstone, Shale)
- **Location:** Central Alborz region, Iran
- **Mine Sites:** Golbini & Zo Bauxite Mine, Tange Gazi Limestone Mine

**File Format:** Microsoft Excel (.xlsx)

**File Contents:**
1. **Field_Data Sheet:** Contains all 134 raw data points with the following columns:
- Observation_ID: Unique identifier for each field observation
- Formation: Lithostratigraphic unit name
- Location: Specific mine site name
- RMR_adj: Calculated Adjusted Rock Mass Rating value
- GSI: Field-measured Geological Strength Index value

2. **Parameters_Description Sheet:** Provides detailed explanations of each parameter and methodology used for field measurements.

**Potential Reuse:**
This dataset can be used for:
- Validation of the proposed GSI-RMR_adj correlation
- Comparative studies in rock mass classification
- Development of new empirical models in rock mechanics
- Educational purposes in geotechnical engineering

**Related Publication:**
Shirdel, B. "Integrated Empirical Correlation between Geological Strength Index (GSI) and Adjusted Rock Mass Rating (RMR_adj): A Field-Based Statistical Model" (Submitted to Rock Mechanics and Rock Engineering)