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All Journal Jurnal Teknik Sipil Journal of Research and Inovation in Civil Engineering as Applied Science
'Ain, Hurul
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Civil Engineering, Building, Construction & Architecture Environmental Science

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The EFFECT OF RISE HUSK ASH ON CONCRETE MIXING QUALITY FORMULA 'Ain, Hurul; Putranto, Alan; Polonia, Betti Ses Eka; Ravi, Ahmad
Jurnal Teknik Sipil Vol 4 No 1 (2020): Jurnal Gradasi Teknik Sipil - Juni 2020
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/gradasi.v4i1.878

Abstract

The effect of the addition of rice husk ash (rice husk ash) to the K-175 formula quality concrete mixture, as an aggregate mixture to the concrete compressive strength test using a Compression Testing Machine to get the compressive strength value of concrete and can be used as an alternative material as an additional material in making concrete in improving the quality of building construction. The study uses K-175 concrete quality characteristics as a test material. Test object in the shape of a cube with a size of 15cm x 15cm. With 4 variations in levels of addition of rice husk ash by 0%, 1.5%, 3.5%, and 5% by weight of cement. The husk ash used is the husk ash that escaped the 2.36 mm filter size. From each type of mixture made 9 test specimens, every 3 specimens for the age of concrete 7 days, 14 days and 28 days. Concrete mortar design using ASTM method. With material sources using fine aggregate from the Pawan Ketapang River and coarse aggregate from Merak, Banten. Stages of implementation include examining the nature of aggregate materials, sample making, and testing of concrete compressive strength.
Urgensi Mitigasi Bencana Banjir Wilayah Kabupaten Ketapang: Kasus Studi Ruas Jalan Sei. Awan Kiri-Desa Tanjungpura Putranto, Alan; 'Ain, Hurul; Dwi Purnomo Adwi, Teddy
Journal of Research and Inovation in Civil Engineering as Applied Science (RIGID) Vol 1 No 2 (2022)
Publisher : Teknik Sipil, Politeknik Negeri Ketapangg

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/rigid.v1i2.1191

Abstract

Flood in Ketapang Regency is a hazardous environmental condition for local people. It disrupts mo-bilization and economic activities. A preliminary study was conducted to identify the causes of the flood and the solution based on engineering perspective as mitigation approach. The hydrological analysis uses 15 years of rainfall data. The maximum rainfall analysis is using Gumbel and Log Person Type III distribution. Meanwhile, the fit test's goodness uses chi-square and Smirnov-Kolmogorov method. Another anal-ysis parameter investigated is soil's physical properties, topographical conditions, and contours. It was found that the flood occurs due to: first, the inability of the soil to infiltrate water (saturated soil); second, flat contour with no significant difference in the level; third, located close to the river, which was prone to overflows during the rainy season. The solution that recommends for more cost-effective is to carry out the normalization of soil drainage channels from both sides of the road.
Co-Authors Alan Putranto Dwi Purnomo Adwi, Teddy Polonia, Betti Ses Eka Ravi, Ahmad