and support the conflicting observations. One hypotheses was continental drift‚ which was proposed by Alfred Wegener in a series of papers from 1910 to 1928. The principal thought of continental drift theory is that the continents are situated on slabs of rock‚ or plates‚ and they have drifted across the surface of the Earth over time; however‚ originally‚ they were all joined together as a huge super-continent at one time. In the 1960‘s‚ the theory of continental drift was combined with the
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Concrete is a composite construction material composed primarily of aggregate‚ cement‚ and water. There are many formulations‚ which provide varied properties. The aggregate is generally a coarse gravel or crushed rocks such as limestone‚ or granite‚ along with a fine aggregate such as sand. The cement‚ commonly Portland cement‚ and other cementitious materials such as fly ash and slag cement‚ serve as a binder for the aggregate. Various chemical admixtures are also added to achieve varied properties
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Navarro CMR fa05 10/21/05 7:06 PM Page 1 The Well-Timed Strategy: MANAGING THE BUSINESS CYCLE Peter Navarro S ome companies appear to exhibit considerable skill in managing the business cycle. For example‚ during the 2001 recession‚ Lowe’s employed an aggressive countercyclical capital expansion strategy to significantly outperform a cost-cutting and retrenching Home Depot. Dell countercyclically increased its advertising budget and gained market share from key rivals such
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Manufacturing Technology MEC205 Non Traditional machining processes Water jet machining Electro chemical machining Turbine blade EDM EDM products Chemical machining Product from water jet machining Chemical machining structure Introduction Machining is a broad term to describe removal of material from a workpiece. 1. Machining categories: – Cutting involves single-point or multipoint cutting tools‚ each with a clearly defined geometry. 2. Abrasive processes:
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NANYANG TECHNOLOGICAL UNIVERSITY School of Electrical and Electronic Engineering Laboratory Experiment ------------------------------------------------- ------------------------------------------------- ------------------------------------------------- Laboratory Report ------------------------------------------------- ------------------------------------------------- For ------------------------------------------------- -------------------------------------------------
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material use 166 5.10 Clay briCk Clay Brick Clay brickwork is made from selected clays that are moulded or cut into shape and fired in ovens. the firing process transforms the clay into a building component with high compressive strength and excellent weathering qualities‚ attributes that have been exploited for millennia to build structures ranging from single-storey huts to enormous viaducts. Clay brickwork is australia’s most widely used external cladding and loadbearing wall medium
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Introduction Turning into a civil engineer these days is more testing than any time in recent memory. The designing field is profoundly focused‚ particularly with the nearness of many organizations and the ascent of engineer’s number. Subsequently as a structural civil engineer understudy at NDU it is mandatory to take the cen 489 as a summer course and it is relied upon to finish a 8 week of full time work. My summer job incorporates the following tasks during those 8 weeks. The
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stone slabs‚ statues which documented the greatness of their leaders. The Maya were well on their way to becoming a powerful territory when the civilization collapsed and the cities were abandoned. The Collapse of Maya Civilization: The collapse of the Maya is one of history’s great mysteries. One of the largest developments in the ancient Americas only fell into ruin in a very short time. Massive cities like Tikal were abandoned and Maya stonemasons stopped making temples and stone slabs. The dates
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this in view‚ chairman of the Prime Minister’s Economic Advisory Council‚ Dr. C Rangarajan‚ recently proposed that the super rich should be made to pay higher taxes. He has suggested imposing a surcharge‚ if not creating a separate higher income tax slab‚ on the super rich. There has been some controversy regarding the proposal as certain sections believe that in case of such a tax‚ the additional revenue generated would not be enough while this may also encourage the rich to further evade taxes.
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Table of Contents Introduction 2 1. Response spectrum analysis 3 1.1 Design Acceleration Response spectrum 3 1.2 Fundamental period of the building 6 1.3 Mass of the building 8 1.4 Calculation of base shear 11 1.5 Distribution of base shear 12 2. Conceptual design 14 2.1 Importance of conceptual design 14 3. LUSAS model 15 3.1 Initial mathematical model 15 Shear force diagrams – x-direction (fy) 16 Shear force diagrams – Y-direction (fZ) 17 Bending moment diagrams – x-direction (MZ) 18 Bending moment
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