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Evaluasi Ketersediaan Air Baku pada Bendung Gunungcupu Yulianti, Jihan; Permana, Sulwan; Nugraha, Mochammad Suva
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1403

Abstract

The availability of water at Gunungcupu Dam is very much needed to support various community activities in the service area. One of the causes of the reduced supply of clean water is damage to pipes due to natural disasters, such as what happened in 2022, there was a flash flood that overflowed the Citanduy River located in the Gunungcupu Bend area and caused the main raw water transmission pipe belonging to PDAM Tirta Galuh Ciamis to reach the Gunungcupu Intake. cut off for 100 meters, as a result the water supply in the Gunugcupu Dam service area was disrupted. So this research was carried out to determine the availability of raw water, find out the projected need for clean water in 2042, and find out the planned flood discharge at Gunungcupu Dam. The method used is a quantitative approach. To determine the availability of raw water, you need to process actual discharge data using the Weibull equation, calculate population projections using arithmetic and geometric methods, calculate clean water requirements for domestic needs in 2042, and process rainfall data to analyze the planned maximum discharge using the Unit Hydrograph method. Nakayasu Synthetic and Gama I Synthetic Unit Hydrograph. The calculation results show that water availability at the Gunungcupu Dam is 730 liters/second. The need for clean water in 2042 for the three sub-districts is 302.66 liters/second. Based on these results, the water supply from Gunungcupu Dam can meet the clean water needs for Ciamis, Baregbeg, and Cijeungjing Districts in 2042. Then the flood discharge planned by the Nakayasu HSS method for Gumbel probability at Q100 is 930,484 m3/second and for Log Normal probability at Q100 amounting to 786,302 m3/second, while the planned flood discharge for the HSS Gama I method for Gumbel probability in Q100 is 833,381 m3/second and for Log Normal probability in Q100 is 707,002 m3/second. Based on these results, it can be concluded that the largest maximum discharge is the HSS Nakayasu method for Gumbel probability, so the HSS Nakayasu method is good for planning the safety of water structures against flooding.
Evaluasi Ketersediaan Air Baku pada Bendung Gunungcupu Yulianti, Jihan; Permana, Sulwan; Nugraha, Mochammad Suva
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1403

Abstract

The availability of water at Gunungcupu Dam is very much needed to support various community activities in the service area. One of the causes of the reduced supply of clean water is damage to pipes due to natural disasters, such as what happened in 2022, there was a flash flood that overflowed the Citanduy River located in the Gunungcupu Bend area and caused the main raw water transmission pipe belonging to PDAM Tirta Galuh Ciamis to reach the Gunungcupu Intake. cut off for 100 meters, as a result the water supply in the Gunugcupu Dam service area was disrupted. So this research was carried out to determine the availability of raw water, find out the projected need for clean water in 2042, and find out the planned flood discharge at Gunungcupu Dam. The method used is a quantitative approach. To determine the availability of raw water, you need to process actual discharge data using the Weibull equation, calculate population projections using arithmetic and geometric methods, calculate clean water requirements for domestic needs in 2042, and process rainfall data to analyze the planned maximum discharge using the Unit Hydrograph method. Nakayasu Synthetic and Gama I Synthetic Unit Hydrograph. The calculation results show that water availability at the Gunungcupu Dam is 730 liters/second. The need for clean water in 2042 for the three sub-districts is 302.66 liters/second. Based on these results, the water supply from Gunungcupu Dam can meet the clean water needs for Ciamis, Baregbeg, and Cijeungjing Districts in 2042. Then the flood discharge planned by the Nakayasu HSS method for Gumbel probability at Q100 is 930,484 m3/second and for Log Normal probability at Q100 amounting to 786,302 m3/second, while the planned flood discharge for the HSS Gama I method for Gumbel probability in Q100 is 833,381 m3/second and for Log Normal probability in Q100 is 707,002 m3/second. Based on these results, it can be concluded that the largest maximum discharge is the HSS Nakayasu method for Gumbel probability, so the HSS Nakayasu method is good for planning the safety of water structures against flooding.
Pemanfaatan Limbah Abu Tempurung Kelapa sebagai Filler pada Campuran Aspal terhadap Stabilitas dan Kelelehan Farida, Ida; Mulyana, Subhan; Febis, Delsa Tria; Nugraha, Mochammad Suva
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.23-1.1852

Abstract

Perkerasan jalan yang baik sangat penting untuk keselamatan pengguna jalan. Seiring berjalannya waktu jumlah material alam yang tersedia semakin terbatas, maka dari itu perlu adanya inovasi material limbah untuk perkerasan jalan. Salah satu metode yang dapat digunakan adalah dengan menggunakan bahan filler modifikasi dalam campuran aspal. Limbah kelapa diantaranya tempurung kelapa bisa dijadikan salah satu bahan filler dalam campuran aspal. Penggunaan aspal dengan bahan filler abu tempurung kelapa diharapkan dapat meminimalisir penumpukan limbah kelapa. Selain itu, dapat mendukung keberlanjutan lingkungan dengan mengurangi limbah organik, menekan emisi karbon, mencegah pencemaran, dan mendukung pembangunan ramah lingkungan. Limbah tempurung kelapa yang digunakan berasal dari limbah kelapa parut di Pasar Wanaraja. Penelitian ini bertujuan untuk mengetahui nilai stabilitas dan kelelehan (flow) dari campuran aspal AC-WC dengan filler abu tempurung kelapa menggunakan pengujian Marshall. Metode penelitian dilakukan secara eksperimen di laboratorium dengan acuan spesifikasi Bina Marga 2018. Variasi modifikasi filler abu tempurung kelapa yang digunakan  yaitu 0%, 4%, 5%, dan 6% dari berat agregat dengan KAO 6,15%. Hasil dari penelitian ini untuk nilai stabilitas tertinggi yaitu pada variasi 5% dengan nilai 1128,58 kg menurun 25% dari campuran normal sebesar 1505,64 kg. Nilai kelelehan tertinggi yaitu pada variasi 6% dengan nilai 3,40 mm menurun 2,9% dari campuran normal sebesar 3,50 mm. Meskipun keduanya tidak melebihi nilai stabilitas campuran normal dan memenuhi spesifikasi Bina Marga 2018.
Pemanfaatan Limbah Bulu Domba Garut Terhadap Kuat Tekan dan Kuat Tarik Beton Mubarok, Encep Ahmad Husni; Yogaswara, Dendi; Nugraha, Mochammad Suva
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.23-1.1895

Abstract

Garut fleece waste has fibers with a raw yarn breaking value of 1.76 newtons and a length of 2-5 cm. The increasing number of sheep farms produces a lot of fleece waste, but the handling is minimal, even though fleece is difficult to decompose by bacteria and pollutes the environment. The coarse characteristics of Garut sheep fleece make it underutilized as wool material. This study aims to determine the effect of Garut fleece waste mixture on the compressive strength and tensile strength of concrete at the age of 28 days with a mixture variation of 0%, 1%, and 3%. The results of the normal concrete compressive strength test were 22.33 MPa, while with 1% and 3% mixtures were 9.03 MPa and 5.90 MPa, respectively. The split tensile strength of normal concrete was 1.46 MPa, and with 1% and 3% admixture was 1.23 MPa and 1.19 MPa respectively. The test results show a decrease in the compressive and tensile strength of concrete with the addition of Garut fleece waste.
Program Kerja Unggulan Pengembangan UMKM Usaha Kuliner dan Fashion di Desa Wanaraja Aisyah, Risa; Kalimat, Arul Budi; Maulana, Ilham Ahmad; Harlini, Meti; Uyun, Syifa Qurrotul; Destia, Triyanda Putra; Aziz, Rafi Nurkholiq; Ilyasa, Salya; Nuraisah, Siti; Adela, Yoga; Gunawan, Sendi Febrian; Fadilah, Luthfi Aqshol; Setiawan, Muhamad Yogi; Muntiani, Via; Febis, Delsa Tria; Padini, Dewi Sri; Hendriyana, Hendriyana; Purkon, Haikal Muhammad; Nadila, Ai Salsa; Nugraha, Mochammad Suva
Jurnal PkM MIFTEK Vol 4 No 1 (2023): Jurnal PkM MIFTEK
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/miftek/v.4-1.1319

Abstract

MSMEs are required to be able to compete and create products that can be accepted, not only by domestic consumers (Indonesia) but also consumers in Southeast Asia. MSMEs are able to support large businesses, such as providing raw materials, spare parts and other supporting materials. Therefore, through this Real Work Lecture (KKN) program, Group 10 KKN conducts training and assistance to Micro, Small and Medium Enterprises actors in Wanaraja Village for 1 month. With the aim of helping and providing an understanding of how very influential branding and packaging design are in product marketing in the market. As for the results achieved by Micro, Small and Medium Enterprises, their products will have product branding and logos and be able to market MSME products online.