G1-Lecture15-The-Geotechnical-Report

G1-Lecture15-The-Geotechnical-Report - CEG CEG-4011...

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Unformatted text preview: CEG CEG-4011 Geotechnical Engineering I 4011 Geotechnical Engineering I Lecture #15 Lecture #15 The Geotechnical Report L. Prieto-Portar 2008 Each boring is carefully recorded to help in the preparation of the final report. The field data will be used by the Project Engineer to prepare the Geotechnical Report. Potential problem areas. 1) Is the sample representative? 2) From a legal point of view: Differing site conditions. 3) Reading the geotechnical report. Using the normal thick wall split spoon disturbs the soil. What you see in the sample is not exactly what the soil would look like in an undisturbed mode. The thin the wall split spoon does not significantly disturbed the soil, and is a better sample if detailed analysis is required. Generally speaking, most all of the sampling you will see done in South Florida is the thick wall spoon. When you read a geotechnical report you may find a statement something like this: “Due to the fact that soils are naturally deposited materials under verbal conditions, it must be realized that major subsurface discontinuities may occur within very short distances. It is unlikely that the dispersed test used for this investigation revealed all subsurface conditions. We do not warrant or imply that the data collected on our boring walls are indicated of subsurface conditions except at the precise location were borings were taken. In other words, if you move an inch away from at the precise location were borings were taken....
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G1-Lecture15-The-Geotechnical-Report - CEG CEG-4011...

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