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Nowadays, several waste materials have been in use as a substitute for one or more concrete constituent materials. The approach was used to minimize the waste which causes degradation and other related environmental problems as well as provides an alternate means of optimizing the usage of naturally conventional building materials. These convention...
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... 28days compressive strength of the 1:2:4 varies from 23.43N/mm 2 for 5% animal bone ash to 16.49N/mm 2 for 20% animal bone ash. From the curves in figure 4.4 for different percentage replacements, it is observed that the compressive strength reduces from 0% to 20%, subsequently. Therefore, it concluded that the addition of animal bone ash has not contributed to increasing the compressive strength of concrete, but only 5% can be considered for lightweight works. ...
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