ash is a waste product from thermal power plants where pulverized coal is used for the as per the literature review GouravHYPERLINK "http://biblioteca.universia.net/autor/Gourav‚%20K.html"‚ Studies‚ 2007. Fly ash is being utilized in the blended cements‚ additive for concrete and manufacturing of concrete blocks and bricks. Fly ash-lime-gypsum bricks are being manufactured and marketed throughout the country. The literature review on fly ash-lime-gypsum (FALG) mixtures as intended to manufacture
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Concrete mixer which is also commonly named as cement mixer is a device that homogeneously combines cement‚ aggregate such as sand or gravel‚ and water to form concrete. History Why did man invent concrete mixer? The reason of it is that in the early 20th century‚ the concrete was developed when some new materials added to cement. After the concrete was developed‚ the art of mixing it had to reform. Therefore‚ concrete mixers were becoming pretty popular by early 20th Century. This coincided
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production of hollow blocks takes place. The plastic waste is pulverized. Then‚ two sacks of the pulverized plastic are mixed with a bag of cement and 15 pails of sand. The mixture is then poured into a molder. This procedures about 140 to 150 hollow blocks. Aside from hollow blocks‚ they also mold paving brick‚ wall cladding‚ cement tiles‚ paving blocks‚ and cement balusters. However‚ environmentalists have raised concerns regarding the durability of the product. They said plastics aren’t perfect for
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DECAY AND DRTERIORATION OF BUILDINGS CAUSES OF OCCURANCE OF CRACKS The important causes responsible for occurrence of cracks in buildings‚ are as under: 1) Cracks due to moisture changes. 2) Cracks due to temperature variation. 3) Cracks due to elastic deformation and creep. 4) Cracks due to effect of chemical reaction. 5) Cracks due to movements of ground. 6) Cracks due to vegetation. The various causes of formation of cracks and measures adopted to prevent them are described
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flexibility‚ but also economies of scale‚ create new sources of information‚ knowledge and low-cost resources on a world-wide basis (Bartlett et al‚ 2008:2). The evidence from the case study shows that Zambrano was ready to expand from being third largest cement company in the world in 1999 (case study‚ 247) to broaden his options for strategic moves in order to compete with regional and international competition to become a truly global enterprise by transforming company into a global brand. According
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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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AMBUJA CEMENTS LIMITED ANNUAL REPORT 2013 OUR VISION TO BE THE MOST SUSTAINABLE AND COMPETITIVE COMPANY IN OUR INDUSTRY OUR MISSION - CREATE VALUE FOR ALL Delighted Customers | Inspired Employees | Enlightened Partners Energised Society | Loyal Shareholders | Healthy Environment CONTENT Chairman’s Letter 05 Financial Highlights of 5 Years 07 I Can - Some Highlights 08 Directors’ Report and Management Discussion & Analysis 14 Annexure to Directors’ Report:
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report for the year ended 31 March 1987 that HICOM’s lackadaisical performance was severely affected by the prevailing depressed economic condition. For one‚ the slowdown in the construction industry plunged HICOM’s production of steel billets and cement. On another undertaking‚ the passenger car market was expected to hit a short-lived trajectory which curbed the company’s volume of production below the desired level. Furthermore‚ the production of motorcycle engines was also reduced by a significant
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Dioxin is one of the most toxic chemicals known. A report released for public comment in September 1994 by the US Environmental Protection Agency clearly describes dioxin as a serious public health threat. The public health impact of dioxin may rival the impact that DDT had on public health in the 1960’s. According to the EPA report‚ not only does there appear to be no "safe" level of exposure to dioxin‚ but levels of dioxin and dioxin-like chemicals have been found in the general US population
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Rotary kiln is the main form of wear of gear damage after severe not ensure normal meshing and change‚ even if the tooth tip sharpening‚ are hongxingly not broken teeth phenomenon. In order to reduce wear‚ in the repair of kiln ring gear made the flame surface quenching‚ quenching and tempering after. After years of use‚ wear very slight. Along with the high grade iron ore mining continuously to begin to dry up‚ and the ore prices continue to rise‚ low grade iron ore and compound symbiosis ore become
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