Aggregates for Concrete Aggregates are inert granular materials such as sand‚ gravel‚ or crushed stone that‚ along with water and cement‚ are an essential ingredient in concrete. Aggregates are the most mined materials in the world. For a good concrete mix‚ aggregates need to be clean‚ hard‚ strong particles free of absorbed chemicals or coatings of clay and other fine materials that could cause the deterioration of concrete. Aggregates‚ which account for 60 to 75 percent of the total volume
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Aggregates is a major part of concrete‚ it is of urgent need that we look into the influence of aggregate on the fresh as well as hardened properties of concrete. Better grading of aggregate not only will show better results in the properties of the concrete but will also help in saving expensive materials such as cement‚ fly ash and admixture. In the comparative study of influence of the aggregate on high strength concrete‚ here is an attempt to study strength characteristics of cubes and cylinders
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absorption capacity‚ and fineness modulus of a f ine aggregate sample and to plot a gradation curve for the sample. The scope of the experiment was limited to one aggregate sample only. In determining the SSD and oven-dry weights needed for calculation of specific gravities‚ a conical mold was used to reach an SSD condition and the sample was later dried in an oven. Sieve analysis determined the particle size distribution by sifting the aggregate through a series of eight sieves of different sixes
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Inventory Management deals essentially with balancing the inventory levels. Inventory is categorized into two types based on the demand pattern‚ which creates the need for inventory. The two types of demand are Independent Demand and Dependent Demand for inventories. The choice of how to control inventory depends upon the fact of whether or not the demand of the items has a dependent or an independent character. This difference is important in selecting an adequate inventory management approach.
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BUSINESS POLICY AND STRATEGIC MANAGEMENT Definitions “Business policy is one which focuses attention on strategic allocation of scarce resources – human‚ financial‚ physical and intangible. Conceptually speaking strategy is the direction of such resource allocation and policy is the time of allocation.”-Rodgers “It is a unified‚ comprehensive and integrated planning designed to assure that the objectives of the organization are achieved.”In simple words strategy is a package of measures
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Aggregate Demand and Supply Models ECO/372 Aggregate Demand and Supply Models As the group of economic advisors to the U.S. President‚ the team has goals they need to achieve. As a team we need to analysis and make recommendations on the following areas: unemployment‚ expectations‚ consumer income‚ and interest rates on how it is affecting the aggregate supply and demand. The team also needs to evaluate each area and make recommendations to make improvements to the economy. The following information
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LGT 2106 Principles of Operations Management Lecture 4 Capacity Management & Aggregate Planning Capacity Management • Capacity is the ability to hold‚ receive‚ store or accommodate. • Commonly viewed as the amount of output a system is capable of achieving over a specified period of time. – In a service setting‚ it can be the number of customers that can be handled from noon to 1pm. – In a manufacturing setting‚ it can be the number of automobiles that can be produced in a single shift. Capacity
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Calculations/Analysis: Volume: Width – 6 cm Height – 3.5 cm Length – 12.5 cm L*W*H (6 cm)(3.5cm)(12.5cm) = 262.5 Density: Mass/Volume 262.5 / 158.4 = 1.7 g/mL Questions: • Which is more accurate‚ the micrometer or Vernier Caliper? • What is the most accurate measuring device? • What is the least accurate measuring device? Conclusion: I therefore conclude that not all measuring devices have the same level of accuracy.
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sufficiently with both demand and supply forces until the introduction of money. Because money is also like any commodity‚ the demand for money and supply of money are real forces that help promote efficiency in any system that uses the price mechanism‚ since most prices are quoted in monetary units. Nelson (2011) describes the demand for money not as the amount one wishes to have but as the amount of one’s wealth that is preferable in the form of currency or demand deposits. Because the demand for money is
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After review‚ write a 2 to 3 page response to the following question: 1.What is the most important problem facing the Wallace Group? 2.What recommendation(s) would you make to Mr. Wallace‚ and in what order of priorities? 3.How do you educate a manager to manage an organization as it evolves over time from an enterpreneurial structure to a more sophisticated and complex organizational structure? 1. What is the most important problem facing the Wallace Group? There a several problems that the Wallace
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