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ANALISIS STRUKTUR KOLOM TAHAN GEMPA PADA BANGUNAN 4 LANTAI UNIVERSITAS GARUT Anugriansyah, Anggry; Ismail, M. Rizky; Zain, Alfath
JURNAL DARMA AGUNG Vol 32 No 4 (2024): AGUSTUS
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46930/ojsuda.v32i4.4633

Tujuan penelitian yang digunakan adalah mengidentifikasi struktur gedung tidak beraturan yang ditinjau berdasarkan displacement, drift ratio, dan base shear.Metode yang digunakan untuk perhitungan beban gempa adalah statik ekuivalen dan respon spektrum sni 1726:2019. Tinjauan dari analisa ini meliputi, simpangan antar tingkat struktur dan gaya dalam maksimum pada elemen elemen struktur. Metode yang digunakan pada analisa ini adalah analisa statik ekuivalen dan analisa dinamik respons spektrum. Hasil pada analisa ini menunjukkan bahwa nilai simpangan pada arah x dan arah y tidak berbeda jauh antara hasil pada analisa statik ekuivalen dan analisa respon spektrum. Dimana nilai simpangan antar tingkat dari hasil kedua analisa tersebut baik pada arah x dan y tidak ada yang melebihi nilai simpangan antar tingkat izin. Penelitian ini melakukan perbandingan analisis beban gempa statik dengan metode analisis linear dengan mengambaikan fase plastis gedung sehingga tidak diketahui pengaruh pembebanan pada gedung saat gempa melebihi fase plastis struktur. Untuk itu pada penelitian selanjutnya dapat dilakukan penenelitian serupa dengan menggunakan metode nonlinear analisis.

Implementasi Metode Fuzzy Sugeno pada Prototipe Pendeteksi Banjir: IMPLEMENTASI METODE FUZZY SUGENO PADA PROTOTIPE PENDETEKSI BANJIR dirga, Dirga Rama setiadi; Dalimunthe, Ernando Rizki; putri, Novia utami; Zain, Alfath
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 18 No. 3 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v18n3.2721

Pemantauan ketinggian air sangat penting untuk mencegah kerugian dan korban jiwa akibat banjir. Pengembangan sistem real-time untuk pengambilan keputusan sangat diperlukan dalam konteks ini. Penelitian ini menggunakan metode fuzzy sugeno pada prototipe pendeteksi banjir, dengan ESP 32 sebagai mikrokontroler yang dilengkapi logika fuzzy dan sensor ultrasonik A02YYUW untuk mengukur ketinggian air. Metode ini melibatkan proses fuzzifikasi, inferensi, dan defuzzifikasi. Pengujian menunjukkan sensor ultrasonik A02YYUW memiliki rata-rata eror sebesar 0,1% dan waktu respon pengambilan keputusan fuzzy sekitar 0,115 detik. Simulasi menggunakan matlab menghasilkan rata-rata eror 0%. Dengan demikian, pendeteksi banjir ini menggunakan sensor ultrasonik A02YYUW dan metode fuzzy sugeno dapat menjadi solusi efektif untuk memantau dan menginformasikan kondisi ketinggian air guna mengurangi resiko banjir.

Metode PCI dan Alternatif Perbaikan pada Kerusakan Ruas Jalan Urip Sumoharjo Bandar Lampung Pujianto, Tri; Misdalena, Felly; Zain, Alfath
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.809

Roads are very important transportation infrastructure in traffic flow. When there is a road section that is damaged, it will have a significant impact on traffic flow. Roads can be analyzed to determine the cause of the damage and repair alternatives. This study aims to determine the types of damage and road pavement conditions so that they can be determined how to repair them. The method used in this study is the PCI (Pavement Condition Index) method. Initial research on the condition of the road surface is to conduct a survey by observing and analyzing the road based on the types of damage to be used as a basis for carrying out road maintenance and repairs. To determine and group the types and levels of pavement damage, and determine the value of the pavement condition by finding the PCI (Pavement Condition Index) value and repair efforts. The results of damage to the Urip Sumoharjo road section, Bandar Lampung are marked with STA 0 + 000 - 3 + 000. The PCI value on the road section is 65.3% with good conditions based on the rating. The types of maintenance carried out to improve the level of road service according to the highway regulations on this section are asphalt coating, patching, and leveling.

Analisis Struktur Balok Tahan Gempa pada Bangunan Gedung Asrama IAI An Nur Lampung Yudhatama, Aldi; Zain, Alfath; Ismail, M. Rizky
Jurnal Konstruksi Vol 23 No 1 (2025): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.23-1.2090

Indonesia is one of the countries with a high earthquake risk, because it is located on the Pacific Ring of Fire, precisely at the intersection of three large tectonic plates. The object of this study is a three-story dormitory building that accommodates many students, so structural reinforcement is needed so that they can save themselves when a disaster occurs. The purpose of this study is to analyze earthquake-resistant beams according to the SNI 1726:2019 reference, so that the beam enlargement is obtained from the initial dimensions of 25 x 50 cm to 40 x 50 cm due to earthquake loads. The longitudinal reinforcement requirements for the supports are 3D19, 2D13, 3D19, while for the field it is 3D19, 2D13, 3D19. For stirrup reinforcement, 2D13 - 100 are needed at the supports and 2D13 - 150 in the field, all of which meet the requirements for flexural, shear, and torsion capacity according to SNI 1726:2019. However, this abstract does not highlight the uniqueness of the research, such as the specific approach taken to meet the requirements of SNI 1726:2019, as well as innovations in research methods or results. In addition, the details of the results are not specific, especially regarding the direct impact of changes in beam dimensions on building safety. The addition of quantitative information, such as structural efficiency or increased flexural and shear capacity, would provide a clearer picture of the contribution of this research to building safety.

Potensi Pemanenan Air Hujan Untuk Kebutuhan Air Non Domestik pada Peternakan Ayam Petelur di Jati Agung, Lampung Selatan Adinata, Chandra; Zain, Alfath; Yacub, Vanita Kesumawati
Jurnal Talenta Sipil Vol 8, No 2 (2025): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i2.904

Mas Kus Layer Chicken Farm uses groundwater to meet its clean water needs. There is not enough groundwater on this farm to meet all clean water demands. To increase the availability of clean water, a Rainwater Harvesting (PAH) system was installed as a backup plan and an effort to use natural resources. A hydrological approach was used to analyze the maximum daily rainfall, which was then used to collect rainwater. This study used a quantitative descriptive methodology, and the rainfall of Mas Kus Layer Chicken Farm, the roof area of the building, the capacity of the reservoir, and the need for clean water provided supporting data. The results of the analysis showed that the potential for rainwater harvesting could meet up to 99% of the total clean water needs at Mas Kus Layer Chicken Farm. The storage system used is a Ground water Tank measuring 10x10x2.26 m. With this capacity, the rainwater that can be collected reaches 7,530 liters/day or 7.53 m3/day so that in one month it can accommodate around 226 m3/month.

Cangkang Kerang Sebagai Subsitusi Agregat Halus terhadap Kuat Tekan Beton Saputra, Edo Dwi; Misdalena, Felly; Zain, Alfath
Jurnal Talenta Sipil Vol 8, No 2 (2025): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i2.883

Concrete is a major construction material that is often used in modern construction due to its flexibility and durability. This study aims to examine the potential of green mussel shells as a partial substitute for fine aggregate in concrete mixtures. Green mussel shells, which are mostly composed of calcium carbonate, offer an environmentally friendly solution by utilizing waste to support the sustainability of the construction industry. This study used an experimental method with variations in green mussel shell substitution of 0%, 5%, 10%, 15%, and 20%. The concrete making process involves mixing cement, coarse aggregate, fine aggregate, water, and crushed mussel shells. The concrete compressive strength test was carried out after curing for 28 days. The results showed that the higher the percentage of mussel shell substitution, the lower the compressive strength of the resulting concrete. At low substitution (5%-10%), concrete still meets the criteria for non-structural applications, with an average compressive strength ranging from 8.37 MPa to 9.05 MPa. At high substitution (15%-20%), the compressive strength of concrete decreased significantly to an average of 6.48 MPa. Substitution of green mussel shells has the potential as an alternative material in concrete, taking into account the maximum limits of its use to maintain the mechanical performance of concrete.

Implementasi Metode Fuzzy Sugeno pada Prototipe Pendeteksi Banjir: IMPLEMENTASI METODE FUZZY SUGENO PADA PROTOTIPE PENDETEKSI BANJIR dirga, Dirga Rama setiadi; Dalimunthe, Ernando Rizki; putri, Novia utami; Zain, Alfath
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 18 No. 3 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v18n3.2721

Pemantauan ketinggian air sangat penting untuk mencegah kerugian dan korban jiwa akibat banjir. Pengembangan sistem real-time untuk pengambilan keputusan sangat diperlukan dalam konteks ini. Penelitian ini menggunakan metode fuzzy sugeno pada prototipe pendeteksi banjir, dengan ESP 32 sebagai mikrokontroler yang dilengkapi logika fuzzy dan sensor ultrasonik A02YYUW untuk mengukur ketinggian air. Metode ini melibatkan proses fuzzifikasi, inferensi, dan defuzzifikasi. Pengujian menunjukkan sensor ultrasonik A02YYUW memiliki rata-rata eror sebesar 0,1% dan waktu respon pengambilan keputusan fuzzy sekitar 0,115 detik. Simulasi menggunakan matlab menghasilkan rata-rata eror 0%. Dengan demikian, pendeteksi banjir ini menggunakan sensor ultrasonik A02YYUW dan metode fuzzy sugeno dapat menjadi solusi efektif untuk memantau dan menginformasikan kondisi ketinggian air guna mengurangi resiko banjir.

Perancangan Prototipe Pendeteksi Banjir Menggunakan Sensor Ultrasonik A02YYUW Berbasis Telegram dan Web Prayoga, Anggi; Dalimunthe, Ernando Rizki; Putri, Novia Utami; Zain, Alfath
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 16, No 2 (2024): November
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v16i2.2437

Perancangan prototipe sistem pendeteksi banjir yang memanfaatkan sensor ultrasonik A02YYUW dan platform berbasis telegram serta web. Sistem ini dirancang untuk memberikan peringatan dini kepada masyarakat dan pihak berwenang mengenai potensi banjir, sehingga dapat dilakukan tindakan pencegahan secara cepat dan efisien. sensor ultrasonik A02YYUW digunakan untuk mengukur ketinggian air secara real-time, dimana dengan pengujian menggunakan jarak 250 cm yang dibagi menjadi 6 percobaan yaitu 60 cm,71 cm, 101 cm,150 cm, 220 cm, 250 cm sensor ultrasonik A02YYUW berhasil mengukuran ketinggian air tanpa selisih nilai pengukuran antara sistem dan tampilan web serta notifikasi telegram dengan waktu delay sekitar 1 detik. Ketika ketinggian air mencapai ambang batas tertentu maka prototipe ini dapat menjadi solusi efektif dalam mitigasi bencana banjir, meningkatkan kesadaran dan respon masyarakat terhadap ancaman banjir

Analisis Kualitas Beton Dengan Memperhatikan Pasir: Perbandingan Pasir Dicuci dan Pasir Tidak Dicuci Pada Kuat Tekan Beton Saputra, Achmad Faisal; Jamaludin, Jamaludin; Zain, Alfath
Jurnal Ilmiah Universitas Batanghari Jambi Vol 24, No 2 (2024): Juli
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v24i2.4892

Concrete is a building material that is widely used in construction. Currently, various methods continue to be developed with the aim of increasing the strength of concrete. Concrete is obtained by mixing fine aggregate, coarse aggregate, directly adding cement paste and water. Sand is a fine aggregate material that is most widely used in the construction sector, from the bottom of the building to the top of the building, such as in making roads, embankments, buildings or as a mortar for concrete mixtures. Sand in concrete greatly influences one of the materials used, namely Mount Sugih sand which is located in Gunung Sugih sub-district, Central Lampung district, Lampung province, where sand from Mount Sugih is famous for its quality compared to sand in every area of Lampung. This research aims to determine the compressive strength using Mount Sugih sand to compare washed and unwashed sand. The test object used is a cylinder with a diameter of 15 mm and a height of 30 mm. The concrete tested was 3, 7 and 21 days old and converted 28 days from a total of 8 test objects. Examination of the mud content of unwashed sand was 7.93% and washed sand was 3.06%. From the results of the tests that have been carried out, the results from washed sand were 197,625 kg/cm2 for 3 days, 263,490 kg/cm2 for 7 days, 265,093 kg/cm2 for 7 days, 21 days 241,117 kg/cm2 for unwashed sand results for 3 days 194,947 kg/cm2, 7 days 210,809 kg/cm2, 7 days 187,140 kg/cm2, 21 days 190,240 kg/cm2 from the results obtained, the washed Sugih mountain sand experienced a very good increase and the unwashed Sugih mountain sand experienced a decrease.

Analisis Penggunaan Tanaman Vetiver terhadap Stabilitas Lereng pada Bendungan Way Sekampung Sari, Renanda Okta; Zain, Alfath; Pratiwi, Dian
Jurnal Ilmiah Universitas Batanghari Jambi Vol 24, No 2 (2024): Juli
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v24i2.5040

Problems that occur in the western part of As Way Sekampung have the potential for landslides to occur. Efforts used to handle slope strengthening by planting vetiver plants. The research method used to analyze slopes uses the limit equilibrium method on slip surface sections using the Morgenstren-Price method with the help of Geostudio 2023.1.0 software. SLOPE/W to get the safety factor under normal conditions and under seismic load conditions. By using a seismic load with a return period of 500 years (PE 10% in 50 years) with a Peak Ground Acceleration (PGA) value for the Way Sekampung Dam inundation area of 0,265 g. In vetiver plants, the root depth is simulated according to the top soil depth of 0,0 – 0,1 m. Soil planted with vetiver plants experienced an increase in the value of cohesion (c) by 74,42% and a decrease in the value of the angle of internal friction (φ˚) by 49,40%. The conclusion obtained was that slope stability in normal existing conditions was 4,525 and in normal vetiver plant strengthening conditions the safety factor increased to 4,529. Then, in the existing seismic conditions, the safety factor is 2,624 and in strengthening vetiver plants with seismic loads, the safety factor value increases to 2,626. It can be concluded that vetiver plants are able to strengthen slope conditions.

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