Soil Mechanics: Subsurface Exploration Course No: G08-001 Credit: 8 PDH Yun Zhou‚ PhD‚ PE Continuing Education and Development‚ Inc. 9 Greyridge Farm Court Stony Point‚ NY 10980 P: (877) 322-5800 F: (877) 322-4774 info@cedengineering.com U.S. Department of Transportation Federal Highway Administration Publication No. FHWA NHI-06-088 December 2006 NHI Course No. 132012_______________________________ SOILS AND FOUNDATIONS Reference Manual – Volume I Testing Theory Experience
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Soil Fundamentals CONTENTS Part 1 Soil Mechanics What Is Soil? ...................................................................page 1 Soil Groups .....................................................................page 1 Grain Size Limits.............................................................page 2 Soil Properties and Characteristics...................................page 2 Soil Analysis ....................................................................page 7 Moisture Content....
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Executive Summary TO: Bruce MacNaughton‚ CEO‚ Prince Edward Island Preserve Co. Ltd. FROM: Courtney Datema‚ Consultant DATE: March 28th‚ 2011 RE: Whether to Expand Retail‚ Wholesale‚ or Mail Order After a profitable year following the repossession of Prince Edward Island Preserve Co. Ltd. (P.E.I. Preserves)‚ I have assessed a number of issues that need to be addressed in order to continue being profitable and come up with a feasible product-market strategy. The corporation as a whole lacks
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Eco L: Soil Diversity Introduction Soil is an ecological system consisting of inorganic minerals (sand‚ silt‚ clay‚ and nutrients)‚ pore spaces‚ water‚ gases‚ organic matter‚ living organisms‚ and plants (Thien‚ 2002). The soil is said to be stable structurally and chemically thus is considered an outstanding medium for soil organisms such as bacteria‚ fungi‚ protozoa‚ nematodes‚ arthropods‚ and earthworms. The potential habitats of these soil invertebrates are the spaces within the surface
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What Is Soil Pollution? [pic] What Is Soil Pollution? Soil pollution results from the build up of contaminants‚ toxic compounds‚ radioactive materials‚ salts‚ chemicals and cancer-causing agents. The most common soil pollutants are hydrocarbons‚ heavy metals (cadmium‚ lead‚ chromium‚ copper‚ zinc‚ mercury and arsenic)‚ herbicides‚ pesticides‚ oils‚ tars‚ PCBs and dioxins. Until the 1970s‚ there was little talk of soil pollution and its devastating effects. In the 1980s‚ the U.S. Superfund was
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2/26/2013 SOIL MECHANICS 1 KAEA 2132 - Phase diagram & phase relationship - Soil-Aggregate Basic Relationship Dr. Meldi Suhatril Department of Civil Engineering‚ Faculty of Engineering‚ University of Malaya. Review : o Soil is inherently multiphase material (Generally consists of three phases) i. Solid phase ii. Liquid phase iii. Gaseous phase 3 – Phase system: AIR WATER Vv Va Vw Vs Wa= 0 Ww Ws = o It can also be TWO PHASE material i. With solid + Gaseous (DRY STATE)
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TYPES OF SOIL TYPE OF SOIL FORMATION CHEMICAL COMPOSITION AREAS CROPS ALLUVIAL SOIL They are because of deposition of silt brought down by rivers Rich in minerals such as potash‚ phosphoric acid and lime. These soils also extend in Rajasthan and Gujarat. Found in the deltas of Mahanadi‚ Kaveri‚ Krishna‚ Godavari rivers hence are called deltaic soil. Wheat Types of alluvial soil :khaddar ‚banger Coarse soils are common in Chos‚ Duars and Terai BLACK SOIL Formed by weathering of solidifying
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Podzols In soil science‚ podzols (also known as podsols or Spodosols) are the typical soils of coniferous or boreal forests. They are also the typical soils of eucalypt forests and headlands in southern Australia. The name Podzol is derived from the Russian words pod = under and zola = ash. Characteristics of Podzol soils - Deep organic layer comprising L (litter)‚ F (fermenting organic matter) and H (humus) forest‚ less under moorland - An ash-grey‚ structure less‚ silica rich E or elluvial
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Definition of Salination (b.) The formation of Salination (c.) Effect of Salination (d.) Areas covered by Salnation (e.) Agencies responsible for it. C. CONCLUSION (a.) Process of Desalination of Soil (b.) Solution us in prevention of Salination or minimizing Salination (c.) Soil Salinity Control TOPIC: SALINATION: THE EFFECT IN AGRICULTURAL PRODUCT For how many decades‚ years‚ and days our country struggle lots of hateful problems.
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three major causes of soil erosion: overgrazing‚ over cultivation‚ and deforestation. Together‚ these three problems cause more problems by creating unsustainable societies. Luckily‚ overgrazing‚ over cultivation‚ and deforestation can be fixed and the unsustainable society becomes a sustainable one. Overgrazing is when there are more animals in comparison to land‚ meaning that there isn’t as much food for the animals to eat‚ like grass and plants. When this happens‚ the soil becomes bare and exposed
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