Syahputri, Devi (2023) Analisis Pengaruh Penambahan Cangkang Telur Terhadap Kuat Tekan, Porositas, Dan Permeabilitas Beton Porous Sebagai Material Penunjang Program Green Building. Other thesis, Universitas Islam Riau.

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Abstract

The application of porous concrete in construction is still rarely used because it has weaknesses in terms of compressive strength. With a standard compressive strength of 12 MPa, it can be applied as a parking area, light intensity road, and sidewalk. This research aims to determine the effect of eggshell addition on compressive strength, porosity, permeability and is expected to achieve the Greenship New Building target in the water conservation category as well as material sources and cycles. This research method was carried out based on the standardization of SNI 7656-2012 and ACI 522R-10 for testing compressive strength, porosity and permeability of porous concrete. The test object is a 15 x 30 cm cylindrical concrete with a variation of eggshell addition of 0%, 1.5%, 3%, and 4.5% by weight of cement as many as 36 samples. The results showed that the average compressive strength of porous concrete at the age of 28 days with a total of 3 samples for variations of 0%, 1.5%, 3%, and 4.5% were 12.2 MPa, 13.6 MPa, 16.5 MPa, and 20.3 MPa, respectively, still meeting the standard compressive strength of porous concrete based on ACI 522R-10 with a value range of 2.8 MPa to 28 MPa. The average porosity results of porous concrete with a total of 3 samples for variations of 0%, 1.5%, 3%, and 4.5% are 24.5%, 23.3%, 22.9%, and 21.6%, respectively. The average permeability results of porous concrete with a total of 3 samples for variations of 0%, 1.5%, 3%, and 4.5% are 0.50 cm/sec, 0.41 cm/sec, 0.31 cm/sec, and 0.24 cm/sec, respectively. So that porous concrete with additional eggshells in this study uses environmentally friendly materials that are in accordance with the first category of water conversion and the second category of material sources and cycles in the Greenship New Building assessment by GBCI.

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