Also Strengthen Non-Chemical Materials

The concrete mixture can also be mixed with ingredients such as non-chemical nature of the ash and fly ash generated from combustion of rice, sugar cane or coal. There are even palm fibers such as fiber.
Some research on this material is already widely used. One was conducted by Joseph Hartono civil engineering student Parahyangan Catholic University, Bandung,. Quoted from a collection of abstract skipsi done by Aloysius Tjan, this research aims to find out how big the influence of fibers on concrete roofed Fc 25 Pa.
The result, research that uses ukura diameter cylindrical specimens 450 mm and height of 300 mm indicates that the addition of palm fiber in the mix will add to the strength of concrete beon. Optimum content maksimaladlah roofed in a mixture of 5.1 kg/m3. However, when viewed from the slump, the optimum levels of palm fiber for increased strength is 1 kg/m3. Although increased strength roofed addition to the mix will complicate its workmanship.

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