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    Study On The Use Of Portland Cement, Calcium Oxide, Red Cement, Sand Beach And The Strong Urges Concrete (Case Study Krakalbeach)

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    35 hal 233-238.pdf (83.75Kb)
    Date
    2013-11-03
    Author
    Priyanto, Budi
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    Abstract
    Concrete is obtained from rock-hardened mixture consisting of portland cement, water and aggregate (fine aggregate and coarse aggregate). Increasing use of concrete as a building construction, the available constituent materials become more limited and more expensive price. Another necessary ingredient alternatives that can form the concrete materials instead of diminishing its availability and the price is getting higher . One effort to reduce the use of cement and aggregate Portlan and smooth , which is mixing different materials in portland cement in the form of calcium oxide , red cement and sand from the beach Krakal . To test whether these materials can be alternative materials research is conducted , in the form of a reduced number of normal concrete and sand cement replacement materials such as sisertai addition of quicklime , cement red at intervals of every proportion is 0 % , 10 % , 20 % , 30 % , 40 % , and 50 % and sand beach with intervals of 0 % , 10 % , 20 % , 30 % , 40 % , and 50 % . Of a series of activities and analysis of the results of this research is that the addition of a mixture of red cement , lime , sand beaches and Krakal with comparison of proportions 1 : 1 : 2 instead of Portlan cement and fine aggregate at the same percentage can increase the compressive strength of concrete . The addition of 20% is the optimal addition of being able to increase the concrete stronger high of 85% of the value of the compressive strength of normal concrete.
    URI
    http://hdl.handle.net/11617/4896
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