Lab_Report_4

Lab_Report_4 - AmericanUniversityofSharjah...

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American University of Sharjah Civil Engineering Department CVE303: - Geotechnical Engineering Lab Experiment: - Proctor’s standard compaction test and   determination of apparent porosity, specific gravity, water   content and degree of saturation of rocks specimen Name: -  Munir Badr I.D.: -  25717 Name: -  Youhana Nashat Mouris Aziz I.D.: -  24476 1
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Name of Instructor: -  Aqeel Ahmed Date of submission: -  8 / 10 / 08 Abstract I carried out two experiments. The first experiment was the proctor compaction test  where I was given a soil sample, and I determined the maximum dry density, and the  optimum moisture content. In the second experiment I was given some rocks specimen where through certain tests  and calculations, I determined the: -  Apparent Porosity Specific gravity Water Content Degree of saturation 2
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Table of contents Abstract 2 Table of Contents 3 Theory 4 3
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Experimental set-up and procedure 7 Data and Results 8 Conclusions 10 Applications 10 References 10 Appendix 10 Theory First Experiment Aim: -  to determine the maximum dry density and optimum moisture content (OMC) of a  given soil sample using proctor’s standard test. The proctor’s standard test, determines the optimum amount of water required to be  mixed with soil in order to obtain maximum compaction for a given compactive effort. In  4
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the field, for the compaction of any soil, the engineer can vary water content, amount of  compaction and type of compaction. Studies have shown that there exists a definite relationship between soil water content  and degree of dry density, and that for a specific amount of compaction energy, applied  on the soil, there is a water content known as ‘Optimum water content’ at which the soil  attains maximum density. As compaction increases the soil unit weight, this produces three important effects. These  effects are shown below: -  1. An increase in shear strength. 2. A decrease in future settlement. 3. A decrease in permeability. The formulas that I will sue in my calculations are shown below: - 
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Lab_Report_4 - AmericanUniversityofSharjah...

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