353 Geotechnical Engineering Dr M. Touahmia 6 Soil Compaction Lecture Outline: 1. 2. 3. 4. 5. 6. 7. General Principles Standard Proctor Test Factors Affecting Compaction Modified Proctor Test Field Compaction Measurement of Field Compaction Special Compaction Techniques Textbook: Braja M. Das‚ "Principles of Geotechnical Engineering"‚ 7th E. (Chapter 6). 1 General Principles What is compaction? • Many types of earth construction‚ such as roads‚ railways‚ embankments
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POLLUTION Pollution is the introduction of a containment into the environment. It is created to mostly by human actions‚ but can also be a result of natural disasters. Pollution has a detrimental effect on any living organism in an environment‚ making it virtually impossible to sustain life. Pollution harms the Earth’s environment and its inhabitants in many ways. The three main types of pollution are: Land Pollution‚ Air Pollution‚ and Water Pollution. AIR POLLUTION Air Pollution consists
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In this 21st century‚ environmental issues have been everyone’s concern. The rate of pollution in our country is getting higher and has reached a dangerous level. Therefore‚ everyone must play a role in safeguarding the environment. Yet‚ before looking up for the ways to overcome this issue‚ we must find out the types of pollutions first. Firstly‚ one of them is air pollution. Nowadays‚ almost every family has at least a car at home. Although the car is convenient for our daily lives
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Pollution Introduction Pollution is the introduction of contaminants into the natural environment that cause adverse change.[1] Pollution can take the form of chemical substances or energy‚ such as noise‚ heat or light. Pollutants‚ the components of pollution‚ can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. The Blacksmith Institute issues an annual list of the world’s worst polluted places. In
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Abstract The assignment is to compare and contrast 4 soil profile from field observation. ------------------------------------------------- Geography Assignment ------------------------------------------------- Soil Profile Geography Assignment Title: Soil Profile Aim: To Compare and contrast 4 soil profile to each other and also to the true soil profile. Date:12th October 2012 Introduction Soil is a natural body of animal‚ mineral and organic constituents differentiated
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Pollution Introduction Pollution is when water‚ air or land becomes very dirty. Pollution can come in 4 different types effecting different types of areas in the world. Air pollution affects the air‚ water pollution affects the water and marine life‚ land pollution effects the land destroying life and the environment and there is also noise pollution that can effect our hearing. We all contribute to pollution in some way or another. Whether it be with a large amount or small amount we can still
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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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Pollution is the introduction of contaminants into the natural environment that causes adverse change. Pollution can take the form of chemical substances or energy‚ such as noise‚ heat or light. Pollutants‚ the components of pollution‚ can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. Air pollution has always accompanied civilizations. Pollution started from the prehistoric times when man created
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Pollution is the introduction of harmful substances or products into the environment. It is a major problem in America and as well as the world. Pollution not only damages the environment‚ but damages us also. It has cause many problems ranging from lung cancer to the greenhouse effect. It is among us all‚ but we continue to live our lives in our own filth. What is the reason behind this flawed logic? In this paper I will examine the problems and solutions for this issue. Automobiles are undeniable
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PROJECT POLLUTION BY DANIEL ANDERSON 12G Contents How can pollution affect a country’s economy and cause disasters within a country and cause health risks 2 Economic effects of a country 2 Disasters of pollution 5 Health Hazards of Pollution 6 Negative impacts of pollution on health 6 Air Pollution 6 Water Pollution 6 Toxic Pollution 7 Noise Pollution 7 Prevention of Pollutions 7 How to create a healthy living environment 8 References 8 How can pollution affect a country’s
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