geo - Table of Contents Introduction - Page 3 Materials and...

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Table of Contents Introduction - Page 3 Materials and Equipment- Page 4 Procedures - Page 5 Results and Discussion- Page 6 - 9 Conclusion- Page 9 Answers to Questions- Page 9 -10
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Introduction: Geotechnical engineering is the first step in starting any new construction in the world today. It provides building developers with the information on how they should go about starting the construction. This area of civil engineering looks at the natural support for all civil engineering projects, the ground. The ground is the most important factor when building a structure it provides the most essential support for it. Geotechnical engineering gives the builders the information to seek out certain building methods to create a safe structure that will withstand the environment. Examining the soil and such before a structure is built is extremely important. In our first lab we began with learning the basics. In the first exercise we used Mohs Hardness Scale to determine a rock’s hardness. We scored each rock from 1 to 10, 1 being the hardness of talc and 10 being as hard as a diamond. We then moved onto exercise 2 and determined Rock Quality Designation for rock cores using a ratio to determine it. RQD measures the degree of jointing or fracture in a rock high quality rock is graded at over 75% while low quality would rate lower than 50%. We then learned how to classify and examine Cobble, gravel, sand, silt and clay in exercise 3 where we examined their qualities. Some of these qualities consisted of particle size range, dry strength and other important qualities to look at when using these materials for Geotechnical Engineering. Then in exercise 3-A we examined some synthetic materials used in Geotechnical Engineering. For this exercise we looked at these materials estimated density and their possible use in Geotechnical Engineering. Materials and Equipment: Exercise 1
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Four igneous rock samples Four sedimentary rock samples Three metamorphic rock samples Glass plate Ceramic plate Finger nail Steel nail Penny Exercise 2 Two rock core samples Tape measure Exercise 3 10 different soil samples Exercise 3-A 4 different synthetic Geotechnical Engineering materials Procedures: Exercise 1 In this exercise we used the listed materials to determine a rock’s hardness. For each rock we started out by attempting to scratch the rock with the nail if the rock was not scratched we knew it had hardness greater than 6.5. If it was scratched we then took the rock that was being examined and attempted to scratch the glass plate. If the glass plate had a scratch we could then
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This note was uploaded on 02/22/2012 for the course GEO 103 taught by Professor Staff during the Fall '08 term at Syracuse.

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geo - Table of Contents Introduction - Page 3 Materials and...

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