Purpose of Site Investigation

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What is the main purpose of geotechnical investigation?

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To assess soil and rock conditions for construction projects

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Why is it important to conduct geotechnical investigation before construction?

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To understand soil and rock conditions, design foundations, ensure stability, and prevent hazards.

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What are the key components of a geotechnical investigation report?

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Site information, field exploration data, laboratory testing results, analysis and interpretations, recommendations, conclusions

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How does geotechnical investigation help in determining foundation design?

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Geotechnical investigation provides information about soil conditions, helping engineers select the right foundation type, depth, and design parameters for stability and safety.

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What are the different methods used in geotechnical investigation?

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test pits, boreholes, geophysical methods, laboratory testing

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Explain the significance of soil testing in geotechnical investigation.

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Soil testing provides essential data on soil properties necessary for designing safe and stable structures.

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What role does geophysical survey play in geotechnical investigation?

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Geophysical survey provides valuable subsurface information without excavation.

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Discuss the importance of groundwater analysis in geotechnical investigation.

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Groundwater analysis is important in geotechnical investigation to determine water table levels, soil permeability, contamination risks, and overall site stability for designing foundations and ensuring structural durability.

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How does geotechnical investigation help in assessing slope stability?

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Geotechnical investigation helps in assessing slope stability by analyzing soil and rock properties, identifying potential risks of slope failure, and determining appropriate stabilization measures.

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What are the potential risks of neglecting geotechnical investigation in construction projects?

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Unforeseen ground conditions, potential foundation failures, safety hazards, cost overruns, project delays, and legal liabilities.