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All Journal Jurnal SImetri Rekayasa Journal of Airport Engineering Technology (JAET) Jurnal Matematika Dan Ilmu Pengetahuan Alam LLDikti Wilayah 1 (JUMPA) Insight Power (Kekuatan Wawasan) - Jurnal Pengabdian Kepada Masyarakat Digital (JUPED)
Rizky Franchitika
Department Of Engineering And Computer, Universitas Harapan, Medan, Indonesia
Aerospace Engineering Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Neuroscience Physics Transportation Other

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Journal : Jurnal SImetri Rekayasa

 1 
Penataan Distribusi Air Permukaan untuk Efisiensi Penggunaan dan Pemanfaatan Air Di Desa Hamparan Perak Yudha Hanova; Rizky Franchitika
Jurnal Simetri Rekayasa Vol 3 No 2 (2021): Edisi Oktober 2021
Publisher : Universitas Harapan Medan

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One of the efforts to increase the productivity of agricultural land in the Desa Lama is to manage surface water caused by excess rainwater. Arrangement of surface water on agricultural land will have a positive impact on plant growth because the water needs of plants can be fulfilled, especially in the dry season. The arrangement of the system aims to distribute surface water and rainwater evenly in agricultural areas. This study aims to analyze the arrangement of surface water on agricultural land with a catchment system as a medium for managing rainfall that falls so that farmers can utilize and distribute water to agricultural land by designing reservoirs. In the Desa Lama, Hamparan Perak District, Deli Serdang Regency. The method used in this study consists of, 1) Hydrological analysis such as analysis of maximum daily rainfall, return period rainfall, analysis of hourly rainfall distribution, and return period discharge. 2) Analysis of storage capacity. From the implementation of the design of the storage carried out in the field, it was obtained that the surface water storage capacity was 37.47 m3/s. Based on the hydrological analysis results, the storage capacity is the storage capacity for the 20 year return period.
Kajian Pondasi Sumuran pada Jembatan Bo'u Lahomi Kabupaten Nias Barat. Rizky Franchitika; Kartika Indah Sari; Yustinus Y.P Gulo
Jurnal Simetri Rekayasa Vol 4 No 1 (2022): Edisi April 2022
Publisher : Universitas Harapan Medan

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The Bo'u Lahomi-West Nias Bridge is a bridge that spans 11.80 m. The sub-structure of the bridge consists of abutments and foundations. This evaluation was conducted to determine the bearing capacity of the well foundation and the safety factor against the working load along with an evaluation of the analysis of the amount of foundation reinforcement and pile cap. The safety factor for the bearing capacity of the well foundation is determined based on the comparison of the bearing capacity value of the well foundation > with the maximum load value that works on the foundation, while the safe factor for pile cap reinforcement and the well foundation is determined based on the strength value of the column > with the maximum load value received. In addition to field data, this analysis requires testing of soil parameters in the laboratory. The meters tested were specific gravity (Gs), filter analysis of moisture content, density, direct shear strength of the soil in the field. Based on the results of the analysis of the bearing capacity of the well foundation, it was found that the value of the bearing capacity of the pile foundation group was 2510,78 tons and the maximum load acting on the foundation was 1550,40 tons. 15 13, and shear reinforcement in the direction of X 10 – 140 and Y 10 – 100 and analysis of reinforcement on the well foundation obtained 35 D 19-250 principal reinforcement and spiral reinforcement 12 – 50 with a column strength of 7654.153 Ton > Pu = 1550.40 Tons, thus the bearing capacity of the well foundation on the bo'u bridge meets the requirements and is safe against the load received and the column cross-sectional design meets the requirements so that the size of the piles and reinforcement can be used.
Uji Penerapan Perbaikan Tanah Dasar Jenuh Air dengan Stabilitas Semen untuk Rekomendasi Desain Struktur Jalan di Kawasan Hamparan Perak Kab. Deli Serdang M. Hadi Sofyan; Rizky Franchitika; Yudha Hanova
Jurnal Simetri Rekayasa Vol 4 No 1 (2022): Edisi April 2022
Publisher : Universitas Harapan Medan

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Roads are an important factor in supporting agricultural development and making it more efficient. In the construction of agricultural roads in Lama Village, Hamparan Perak District, Deli Serdang Regency, the presence of soft soil is one of the problems in the construction of farm road construction. Embankments built on soft subgrade without reinforcement will experience a slide. so that it is necessary to strengthen and improve the subgrade soil to prevent road sliding. This study aims to increase the carrying capacity of water-saturated soil on agricultural land in Lama Village, Hamparan Perak District, Deli Serdang Regency. The method used in research on the improvement and strengthening of the subgrade for farm roads is cement stabilization. The variations in cement content used were 3%, 4%, and 5%. The bearing capacity of subgrade and stabilized soil will be tested using a dynamic cone penetrometer (DCP). From the research results, it can be seen that the average CBR value of subgrade is 0.65%. From the results of the comparison of soil CBR values, soil stabilization with a cement percentage of 3% shows a CBR value of 5.51%, or 6%, fulfilling the requirements to increase soil carrying capacity according to MDP 2017, where the minimum subgrade CBR for pavement design is 6%.
Co-Authors Cut Nuraini Hibnul Walid Indra Kesuma Hadi Kartika Indah Sari M. Hadi Sofyan Muhammad Amin Muhammad Amin Sozatulo Gulo Surta Ria Nurliana Panjaitan Yudha Hanova Yudha Hanova Yustinus Y.P Gulo