Consturction Material EGC 1131 Assignment 1 Question 1 (a) A significant tendency for large and fine particles in a concrete mix‚ separate among each others. Segregation is caused by * Too wet mix‚ extremely high workability or less cohesive mixture causes the mixture unable to hold heavy aggregate * Dropping from excessive height * Over compaction of fresh concrete. Two methods to minimize segregation in fresh concrete: * Adequate workability is enough. * Don’t over
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VOL. 70‚ NO. 5‚ MAY 1982 Silicon as a Mechanical Material KURT E. PETERSEN‚ MEMBER‚ IEEE Abstract-Single-crystal silicon is being increasingly employed in a variety of new commercial products not because of its well-established electronic properties‚ but rather because of its excellent mechanical properties. In addition‚ recent trends in the engineering literature indicate a growing interest in the use of silicon as a mechanical material with the ultimate goal of developing a broad range
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Metallic element gives up valence electrons to the nonmetallic elements. Attractive forces from positive and negative ions Ceramic materials: high melting temperatures‚ hard‚ poor conductors Covalent Bonding Electrons are shared between adjacent atoms resulting in stable electron configurations. Many nonmetallic elemental molecules are covalently bonded. Polymeric materials have this bond. Crystal Structure Describe the crystal structure using an array of points or lattice. The unit cell is the
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Moodle Adoption at the University of Zambia: Opportunities and Challenges Pilate Chewe (Mr.) Acquisitions Librarian University of Zambia Email: pchewe@unza.zm Eness M. Miyanda Chitumbo (Mrs.) Serials Librarian University of Zambia Email: echitumbo@unza.zm Accepted 23�� September‚ 2012 ABSTRACT Using the Internet to enhance e-learning has become a trend in modern higher education institutes. E-learning systems are increasingly becoming an important part of the strategy for delivering online
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Sokpira Heuk Mike Cantin Scott Hazel Dave Scranton Materials Class Better‚ Faster‚ Stronger... The six dollar golf ball Throughout the history of golf the game has changed drastically. Golf has gone from a game played by farmers in the fields to a sport played by millions of people world wide. As the years have passed players have gotten better‚ clubs are hitting straighter and balls are flying higher and further than ever before. This has little to do with the golfswing‚ which hasnt changed
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about phrases that you don’t understand. Since idioms are influenced by the culture‚ learning the idioms of a language can be very interesting and enlightening! googl Hi there! I’m Jerran and this is my Strategic Intervention Material about idiomatic expressions and the figures of speech. Are you ready? Let’s go!!! A figure of speech is the use of a word or words diverging from its usual meaning. It can also be a special repetition‚ arrangement or omission of words with literal
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SHARPIE Sharpie‚ the company that produces a line of high quality markers that comes in a wide variety of colors. College or university students use them because of their bright and vibrant colors. To further spread the word out for their amazing product‚ a campaign is devised. Thus‚ we came out with “Let the colors speak”. This campaign focuses on the variety of colors they provide‚ and how important it is without them. It is collaboration between… This campaign will first begin promoting
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One of the most controversial aspects of police work comes about in the phoenix police department operational orders 1.5‚ Use of force. Reasonable amount of force to conduct lawful public safety activities. Force typically depends on what is reasonable as well as the totality of circumstances. Employees who are involved in use of force must be a able to articulate it actions and explain their actions through reports and memorandums. Such reasonableness may include severity of the crime‚ whether
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Materials in Portal Frame In this section‚ materials which can be utilized in this portal frame structure will be discussed. Each material advantages and disadvantages will also be discussed. Since the world of construction nowadays have been favouring environmental friendly material in construction with the lowest cost possible‚ this section will also discuss about the benefits of each material to the environment. Glass Fibre Reinforced Polymer Glass Fibre Reinforced Polymer or GFRP is a material
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tools Single point cutting tools: Nearly all turning processes use single point cutting tools‚ this is‚ and tools that cut with only a single edge in contest with the work. Most turning is done with coated index able carbide inserts‚ but the tool material may also be high-speed steel‚ brazed carbide‚ ceramic‚ cubic boron nitride‚ or polycrystalline diamond. 75 percent of turning operations use just a few basic tool geometries. When tool holder itself rather than the actual insert. However‚ let’s first
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