Optimalisasi Campuran Beton Porous Dengan Bahan Tambah Abu Batu Kerajinan Batuan Gunung Merapi

Agung Setiawan, Mochamad Teguh

Abstract


Low impact development materials to stormwater management needs to be continued. Hydraulics characteristics of porus concrete is one of the efforts to control storm water run off. The development of porus concrete to improve its mechanical and hydraulic properties continues. The results of the mentioned tests were analyzed and then the optimum proportion was determined. Laboratory experiment method using stone ash added as a by-product of rock crafts from Mount Merapi, 100% by weight of cement. Mix design using a variation of cement : aggregate 1:2 to 1:8. The results showed that the proportion of cement mixture compared to 1:3 and 1:4 aggregates with added rock ash produced a compressive strength of 14.48 MPa and 10.59 MPa, respectively.Compressive strength meets the specifications of grade D paving blocks. Infiltration of 0.25 cm/sec and 0.35 cm/sec. Permeability of 1.02 cm/s and 1.44 cm/s according to American Concrete Insitute (ACI) 552R-10. 

Keywords


Beton porous, abu batu batuan Gunung Merapi, kuat tekan, infiltrasi, permeabilitas

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References


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DOI: https://doi.org/10.18196/bce.v2i2.15448

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