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Purpose of the Soil investigation (Geological Investigation):-
Short Notes for interview answer: -
· * In order to design the foundation for the structure.
*To execute the design, the character and distribution of ground material and groundwater to be determined.
·
*By
Assessing the stability of ground material, will lead design
engineer to improve the stability & safety of site.
· *Defining and describing the ground material will assist to evaluating its suitability for using as a backfill material.
Therefore, Soil investigation is the key to designing the structure. (Especially major structures, I.e.Bridges, Flyovers, Water Tanks, Etc.,)
"Please see below, explained with images for better understanding"
Comprehensive Notes: -
· The purpose of the geotechnical investigation is to determine the character and distribution of geological
materials and groundwater within the project site for use in foundation
design and Excavation design.
·
To
assess the stability of the site to provide the design
engineers with the required measures to enhance the stability and safety of the
site.
·
To
Define and describe the subsurface materials within the site in
order to assist in evaluating its
suitability to be used as backfill materials.
The scope involved:-
· The geotechnical investigation consisted of
*Field studies and
*Laboratory analysis
Filed
Study: - The field portion of the investigation employed test borings and sampling, additionally
standpipe piezometer was also installed for groundwater monitoring and
sampling.
Laboratory
analysis: - Laboratory studies include tests to determine soil properties,
including physical and mechanical properties, additionally chemical analysis on
selected samples of soil, rock, and groundwater.
·
Performing engineering analysis based on
the field and laboratory findings.
·
Developing recommendations for foundations
design and construction.
Methodology
Soil Sampling and Drilling
Test Method
The soil investigation works shall be carried out in accordance with the following standards and codes of practices
BS 1377Part9:1990 "Methods of Test for Civil Engineering Purpose, BS 5930:1999 "Codes of practices for site Investigation”
Site Samples photos
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