Research Studies on Composition of Porous Concrete on The Sidewalk

Megasari, Shanti Wahyuni and Yanti, Gusneli and Zainuri, Zainuri (2021) Research Studies on Composition of Porous Concrete on The Sidewalk. In: The 5th International Seminar on Sustainable Urban Development 2020, 5 Agustus 2020, Universitas Trisakti, Jakarta, Indonesia.

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Abstract

In infrastructure development, technology is needed that is powerful, effective, efficient in implementation time, efficient, and environmentally friendly. Porous concrete has a cavity that can flow water directly into the ground so that it can overcome the problem of water absorption. Porous concrete can be utilized in the pavement with light traffic loads such as the sidewalk. However, because porous concrete only consists of a mixture of cement, water, and coarse aggregate, porous concrete has a low compressive strength. The research is needed on the composition of porous concrete to be used on the sidewalk. Research using the ACI-522R10 method with a variation of the ratio of cement and coarse aggregate is 1:3, 1:4, 1:5, 1:6 and cement water factor 0,30. The test results obtained the highest average compressive strength value of 16.027 MPa with an increase of 45.30% compared with no additives, as well as being in the classification of concrete brick of C quality which is suitable for the sidewalk. The results showed that an increase in the average compressive strength value along with a reduction in the amount of coarse aggregate was obtained both under conditions and with the addition of additives.

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