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Suharyanto

Universitas Kebangsaan RI

Author-ID : 1627132

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Analisis Nilai Lugeon dan Grout Take Berdasarkan Hasil Trial Grouting pada Sandaran Kanan Bendungan Ameroro untuk Mengidentifikasi Korelasi Nilai Lugeon dengan Kondisi Geologi Batuan Pondasi Nasmiarta, Zhafarina Malaha; Suharyanto, Suharyanto; Sukamta, Sukamta; Permana, Agung
TEKNIK Vol. 45, No. 1 (2024): May 2024
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v45i1.59324

Pondasi Bendungan Ameroro tersusun dari batuan metamorf sekis yang memiliki sebaran kekar terbuka dengan jarak spasi rata-rata 12,5 cm dan bukaan kekar 1-5 cm. Hal tersebut dapat berpotensi terjadinya rembesan air melalui sela-sela rekahan sehingga diperlukan adanya perbaikan pondasi pada Bendungan Ameroro dengan metode grouting. Sebelum dilakukan pekerjaan grouting, dilakukan pekerjaan trial grouting. Penelitian ini dilakukan untuk melihat korelasi nilai lugeon dengan kondisi geologi batuan pondasi. Metode yang dilakukan adalah uji permeabilitas (uji lugeon). Dari hasil uji lugeon, di lubang pilot, lubang primer dan lubang sekunder menunjukkan bahwa semakin dalam lubang trial grouting, nilai lugeon akan semakin kecil sedangkan semakin besar nilai lugeon, grout take akan semakin besar. Namun, pada lubang cek terdapat nilai lugeon yang masih tinggi di kedalaman 10 meter yaitu 5,17 – 8,14, di kedalaman 20 – 25 meter juga memiliki nilai yang tinggi yaitu 4,86. Hal ini sesuai dengan peta geologi pada sandaran kanan sedalam 35 meter memiliki struktur batuan yang kurang bagus sehingga memiliki nilai lugeon cukup tinggi dan besar grout take tinggi.

Evaluasi Kemampuan Bendungan Logung dalam Mereduksi Banjir Akibat Perubahan Curah Hujan dan Tata Guna Lahan Febriani, Irawati; Sriyana, Ignatius; Suharyanto, Suharyanto
TEKNIK Vol. 45, No. 1 (2024): May 2024
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v45i1.61985

Bendungan Logung merupakan bendungan multipurpose yang salah satu fungsinya sebagai pengendali banjir. Mengingat bahwa Bendungan Logung telah beroperasi selama 5 (lima) tahun sekaligus menanggapi perubahan pola curah hujan dan tata guna lahan, serta mengantisipasi kemungkinan kegagalan bendungan akibat overtopping, maka perlu dilakukan kajian penelusuran banjir di waduk menggunakan data hidrologi dan tutupan lahan terbaru. Penelitian ini bertujuan untuk mengevaluasi kemampuan Bendungan Logung dalam mereduksi banjir. Model penelusuran banjir dalam penelitian ini menggunakan software HEC-HMS dengan metode Soil Conservation Services-Curve Number (SCS-CN). Berdasarkan analisis yang dilakukan terdapat peningkatan curah hujan rencana apabila dibandingkan dengan studi perencanaan tahun 2015 serta adanya perubahan tata guna lahan di DTA Waduk Logung yang menyebabkan nilai debit banjir rencana lebih besar dibandingkan dengan studi perencanaan. Bendungan Logung dapat mereduksi debit banjir untuk masing- masing kala ulang sebesar: Q2 = 42,88%; Q5 = 38,38%; Q10 = 35,02%; Q25 = 31,53%; Q50 = 29,42%; Q100 = 27,50%; Q1000 = 20,72%; dan QPMF = 16,43%. Hasil debit puncak QPMF sebesar 946,5 m3/detik yang berada pada elevasi +93,5, di mana elevasi tersebut berada di atas muka air banjir QPMF perencanaan yakni +92,85. Oleh karena itu tidak terjadi overtopping karena puncak bendungan berada pada elevasi +94.

Analysis of Erosion and Sedimentation Rates in Karian Reservoir using the USLE Method on the Reservoir's End-of-Life Capacity Pakpahan, Samuel Seprian; Sachro, Sri Sangkawati; Suharyanto, Suharyanto
TEKNIK Vol 46, No 2 (2025) April 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i2.67990

Karian Reservoir is a multipurpose reservoir designed to meet raw water needs, provide irrigation water supply, reduce flooding, and generate micro-hydropower potential. It has a dead storage capacity of 46.4 million m³ with a projected service life of 100 years, based on the time required for sediment to fill the dead storage. The planned sedimentation rate of 579,162 m³/year was determined using an empirical formula derived from sediment curves based on tributary surveys conducted in 1995. If sedimentation exceeds dead storage capacity, the reservoir's lifespan and ability to meet water demands will be compromised, making it crucial to analyze sedimentation rates and distribution. Erosion rate analysis using the USLE method for the period 2017-2023 resulted in an average erosion rate of 1,249,177.27 tons/year, with a Sediment Delivery Ratio of 0.304 and a trap efficiency of 95%, leading to a sedimentation rate of 328,397.28 tons/year. The sediment deposition distribution over 100 years, estimated using the Empirical Area Reduction Method, indicated that the new base level would rise by 10.17 meters to an elevation of 30.17 meters. The remaining dead storage capacity is 21.12 million m³ (45.48%), with an effective storage capacity of 112.83 million m³ (96.38%). Theoretically, Karian Reservoir can still achieve its full service life..

Analysis of Initial Impoundment Using the F.J. Mock Flow Discharge Model at Pamukkulu Dam Nugraha, Hendy Adiyat; Wulandari, Dyah Ari; Suharyanto, Suharyanto
TEKNIK Vol 46, No 2 (2025) April 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i2.67500

The construction of a dam consists of several stages, including construction preparation, construction planning, construction execution, and initial reservoir impoundment. This study aims to determine the duration of the initial impoundment of the Pamukkulu Reservoir during dry, normal, and wet years using the F.J. Mock water availability method. Water losses in this study include reservoir water release through the bottom outlet to meet irrigation water demand at a rate of 0.3 m³/s and reservoir evaporation. The calculation of the impoundment duration is based on the monthly accumulation of volume until reaching the total storage volume of 82.57 million m³ at a normal water level elevation of +126.00 meters. The analysis results indicate that the duration of the initial impoundment of the Pamukkulu Reservoir is 11.16 months (335 days) in a dry year with an inflow reliability of 31.81%, 8.66 months (260 days) in a normal year with an inflow reliability of 63.63%, and 7.63 months (229 days) in a wet year with an inflow reliability of 77.27%. The study concludes that the Pamukkulu Dam will reach its normal water level storage volume in December (first period) during a wet year classification.

Analysis of Changes in Sedimentation Volume of Kuwil Kawangkoan Reservoir with USLE Method and Area Reduction Method Widyatama, Radya Gading; Suharyanto, Suharyanto
TEKNIK Vol 46, No 2 (2025) April 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i2.65307

Sediment deposited in the reservoir will increase in line with the total erosion rate. This causes the dead storage capacity of the reservoir to siltation, so studies need to be performed to estimate the amount of erosion rate and sediment distribution during the reservoir's operational period. The study location is at the Kuwil Kawangkoan Reservoir, North Minahasa Regency, North Sulawesi Province. The study aims to determine the reservoir erosion rate using the USLE Method based on Geographic Information Systems (GIS) and to analyze changes in the reservoir sedimentation storage volume using the Area Reduction Method. Based on the analysis, the volume of sediment deposited in the Kuwil Kawangkoan Reservoir catchment area is 307,382.08 m3/tahun. Over a 50-year lifespan, the predicted total volume of settled sediment is 15.369 million m3. The results of the sediment distribution analysis indicate that after 50 years, only 17.82% of the dead storage capacity will remain. Initially, the dead storage capacity of the reservoir was 7.63 million m³, but it is projected to decrease to 1.36 million m³ at an elevation of +77.00 m, below the intake elevation. Since the intake elevation of the Kuwil Kawangkoan Reservoir is at +83.50 m, the operation of Kuwil Kawangkoan Reservoir to fulfil water demand downstream is relatively unaffected.

The Impact of Sepaku Semoi Dam Construction on the Reduction of Tengin River Discharge Using the HEC-HMS Model Simbolon, Bernas; Suripin, Suripin; Suharyanto, Suharyanto
TEKNIK Vol 46, No 2 (2025) April 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i2.67796

Floods are one of the most frequent hydrometeorological disasters in Indonesia, particularly in river basin areas. One of the river basins frequently experiencing floods is the Sepaku Watershed (DAS Sepaku). In recent years, the intensity and frequency of flooding in this area have increased. To mitigate future occurrences, flood routing (reservoir routing) calculations are necessary. One of the measures to reduce flooding is the construction of a dam. In response, the Central Government, through the Ministry of Public Works and Housing, has undertaken the development of Sepaku Semoi Dam in Penajam Paser Utara Regency, as part of efforts to optimize water resource potential within the territorial area of the future capital city (IKN). The Sepaku Semoi Dam is projected to supply raw water at a rate of approximately 2,500 liters per second, mitigate flooding, and support tourism. This study aims to analyze flood discharge at the Sepaku Semoi Dam using the HEC-HMS model with the reservoir routing method. The modeling seeks to rapidly estimate flood discharge and assess how changes in storage capacity influence peak discharge conditions, as well as to analyze the impact of dam construction. The flood routing analysis results indicate that the flood reduction for Q1000-year return period is 74.34%, while the outflow discharge for Q50-year return period is 105.7 m³/s, which is lower than the capacity of the Tengin River downstream of the Sepaku Semoi Dam.

Co-Authors . Gunawan . Gunawan . GUSNANIAR . SISWANTO A H SARAGIH A M Fauzi A W PAULUS Abda Abda Abdul Basith Abdul Latif Abdul Qadir Jailani, Abdul Qadir Abdullah, Agung Sobri Abdussomad, Abdussomad Achmad Sumbaryadi, Achmad Achmad Zainudin Achmad Zaki Adang Sutisna Adi Mulyana Adi, Catur Pramono Afrianti, Widia Agustiani, Sarifah Ahmadi, Muhamamad Airlangga Ahmadi, Nurdin Ainsani, Dinda Alya Aji Prasetyo, Aji Akbar, Mohamad Adha Akbar, R. Mohamad Adha Akhmad Fauzi Al-Farisi, Rifqi Ali Mustopa, Ali Alie, Angga Hermawan Amaly, Norsyam Ameliaratri, Rizky Amir Husaini Karim Amrullah Analius Giawa Andhika Cahyono Putra Andryani, Novi Anggraini, Truly ANNISA MAULIDYA Anthon, Tino Asprilla Anwar, Aslam Nurdin Aprillia, Cindi Ariatmi, Siti Zuhriah Arief, I. I. Arifin, Ardimas Ariyanti, Nova Syafira Arrizki, Tria Aryanda, Rico Evan Asep Saefulloh Asj’ari, Fachrudy Asma, Wan Izatul Asmini Budiani Avantie, Chevia Altika Avid Inang Rum Ayu Ambarsari, Diah Ayu Wijayanti, Astrid Bakri, Reza Fauzi beny firman, beny Biantoro, Yudhi Bieng Brata Bisma Arianto Boyke Nugrahanto Cahyati, Jeni Nur Candiyansah, Rivaldlli Carika, Berliana Ninda Putri Cep Adiwiharja Chandra Wijaya Chaterina Agusta Paulus Christina Menuk Sri Handayani Dadang Suherman Daifa Al Quthni, Muhammad Dede Firmansyah Saefudin Deden Dewantara ERIS Demas YogoPranoto, Demas Deni Suprihadi Desmar Panji Suryananto Desmiwati, Desmiwati Dewi Nuryani, Dewi Dewi, Astrid Komala Dewi, Mutiara Indah Nirmala Dewi, Priyantini Dharmawantho, Listio Dian Sutono, Dian Didik Ariyanto Djoko Santoso Djumala Machmud, Djumala Dolah, Rahayu binti Haji Dwi Haryanti, Dwi Dwiarta, I Made Bagus Dyah Ari Wulandari Edi Soetrisno Edy Sulistiyawan, Edy Eka Firmansyah Ellianto, Mario Sariski Dwi Encep Rustandi Endang Sulistyowati Erick Nugraha Ery Nugraha Ery Nugraha, Ery Estiasih, Soffia Pudji Etfanti, Sulhan Eustasia Sri Murwati, Eustasia Sri Fadillah, Destya Nuryandara Fahmi, Amir Hadziq Fanani, M. Zainal fariana, rina Fatma Maruddin Fattah, Zihad Al Fauzi, Rifaldi Al Febriani, Irawati Ferdinant, Agung Fikri, Dzaki Firda DIMAWARNITA Flandrianto Sih Palimirmo, Flandrianto Sih Giyoto Goenaryo, Goenaryo Gymnastiar, Iman Ahmad Hadikaryana, Oscar Hadis, Aris Akhludin Hafid, Wahyu Hajrawati, Hajrawati Hakim, Khaerul Handayani, Sri Handayani, Sri Dewi Handri, Handri HAPPY WIDIASTUTI Harahap, Ahmad Saleh Hari Nugroho Harianja, Jonggi Haris, Dendi Hartanto, Soni Rudi Hartono Hartono Haryanto Haryanto Haryo Tejo PRAKOSO Hasan Basri Hedwigis Esti Riwayati Hendra Permana Hendra Permana Hendra Permana Heni Haryani Heni Haryani, Heni Herlina, R Lisye Herlina, R. Lisye Hermawan, Fajar Heru Purwanto Hidayat, R. Taufik Hutajulu, Jerry Ida Ayu Putu Sri Widnyani Imron Imron, Imron Indah Lestari, Indah Indah N. D., Mutiara Indra Kurniawan Irma Badarina Irma KRESNAWATY Irma Kresnawaty Irman Hariman Irmawati Irmawati Ishak, Riswansi Istrianto, Kadi Jakasukmana, Munandar Jasman Jasman Jenih, Jenih Jentot Tugiyono Joni Haryadi, Joni Junirmart Girsang K Syamsu Kandagasari, Nanan Karima, Syafika Katharina Oginawati Khaswar Syamsu Kukuh Nirmala Kumalasari , Tety Kurahmadan, Taufik Kuramadan, Taufik Kurniawati, Diaz Kusuma, Eka Wisnu Kusumawardana, Kwica Guswantoro Kusumo Efyjanto, Tonny Kusumo, Tonny Kususiyah Kususiyah Laksamana, Patria Lingga, Thomson R Listyalina, Latifah Ludovikus, Ludovikus Luhulima, Martin Yermias Luky Adrianto Luluk Fauziah Lutfiyah, Luluk M Irfani ABDULLAH M. Ali Magdalena, Pamela Mahalla, Mahalla Malinda, Martina Efri Maman Hermawan Mardiana, Sela Marheny, Titik Marini Wijayanti Mario Sarisky Dwi Ellianto Markonah, Markonah Marsia, Marsia Maryani Maryani Maryanto, Yanto Maulana Amirul Adha Mildawani, M. M. Tri Susetyaning Mokhammad Isnaeni Bambang Setyonegoro Muhaimin, Muhammad Fadhil Muhamad, Azhar Muhammad Ikhwan Muhammad Iqbal Muhandis Sidqi, Muhandis Muliawati, Intan Murwati, Eustasia Sri Nabila, Shelvia Ariesta Nainggolan, Chandra Nana Suryana Nasliya, Raisa Nasmiarta, Zhafarina Malaha Nasution, Syahrial Nazari, Afifah Khonsa Ndricenning, I Mario Nevrita , Nevrita Ngangun, Tati Atia Nining ARINI Noerchoidah Novitanti, Linda Noviyanti Noviyanti, Noviyanti Nugraha, Hendy Adiyat Nur Richana Nuramini, Tika Morena Nurfauji, Aditya Nurhasanah Nurhasanah Nurlaela, Eli Nurwijayanti Olfa Mega Oscar Hadikaryana Otremoles, Nanda P. Nababan, Sakti Pakpahan, Samuel Seprian Palimirmo, Flandrianto S. Pambudi, Wisnu Panjaitan, Ribka Sabarina Perangin-angin, Robet Permana, Agung Permana, Hendra Peronika, Tika Picaulima, Simon M. Prabowo, Primananda Prasetiyo, Didit Eko Prasetyo, Ahmad Pratiwi, Oklivia Nesia Prayogo, Arif Prayogo, Muhammad Nur Firdaus Primanita, Azizna Purwadi Purwadi Putrama, Fala Putri, Naisya Putri, Zahra Regita Amelia R Widodo Triputro, R Widodo R. Lisye Herlina R., Satrya R.Lisye Herlina Raditiyanto, Satria Rahayu, Shilfiana - Rahmadhani, Annisaa Shafaa Rahmat Hidayat Raihan, Christianto Tri Rajaminsah, Rajaminsah Ramadani, Ririn Rasak, A. Nurul Mutiah Ratih Pujiastuti Ratnaningsih, Wahyu Ratung, Agustinus Apriyadi Hanggum Rawati, Sri Rebekah, Felicia Reza Ramadhan, Reza Rifqi Al-Farisi Rina Shahriyani Shahrullah Riswandi Ishak Riza A PUTRANTO Romsyah Maryam Rosa, Tina Rossy FITRIA Ruchimat, Toni Rustananda, Dani S. Suripin Sagala, Viona Apriyanti Salasah, Rosmawati Salim, Chaterine Hermawan Samu, Markus Samu Sanusi, Achmad Saputra, Aman Saputra, Rizki Wahyu Sari Mardiah, Ratu Sari, Ratih Purnama Saripudin Saripudin Satwikanitya, Pani Sauri, R Supyan Sembiring, Adina S Setiani, Febri Setyaningrum, Leli Setyanto, F.A. Ricky Bayu Shinta PERMATASARI Sholiha, Husna Imro’atush Simanullang, Rio Prasetyo Simbolon, Bernas Siti Khotimatul Wildah Siti Samsiyah Sitti Rahmah Soeboer, Deni Achmad Soepardi, Sugiono Sorongan, Fangky Sri Harini Sri Sangkawati Sachro Sriyana, Ignatius Styanto, F.A Ricky Bayu Styanto, F.A. Ricky Bayu Sudrajat, Danu Sugianto Sugianto Sugito - Sugriwa Husen, Eddy Suhardiyah, Martha Suharto Suharto Suherman, Asep Irwan Sukamta Sukamta Sulaiman Sulaiman Sulaiman, N. B. Sumi Hudiyono Sunarto Sunarto Suparman Suparman Suprihadi, Deni Suryadi, Ade Sutisna, Adang Suwarni Suwarni Suzantry H, Yanolanda Su’udiyah, Rofiqoh Nur Syadevi, Wamida Ayu Nabila Syafia, Rima Syahbani, Muhammad Wahyu Syahruddin, A Syamsuddin Arif Syauqi Ilal Jinan, Achmad Syeda ANDANAWARIH Syifaya, Zulfa Aurellye Oldra T Haryono T W DARMONO T. Haryono Taufik Baidawi, Taufik Taufik, Cevi Mochamad Taufiq Akbar Tedy Juliandhy Tedy Juliandhy Tiku, Mathius Titis Setyabudi Tony Susilo Wibowo Tri Harningsih, Tri Tri Lestari Tri Pambudi, Tri Tri Panji Tris Akbarillah Tugiyono, Jentot Ulansari, Ramadhani Ully Wulandari, Ully Untari, Puji Rahayu Urip PERWITASAR Urip PERWITASARI Urip Santoso Usman Usman Utaminingsih, Utaminingsih Uyuni Widiastuti Venia, Yelia Vita Budi Damayanti W, Warkianto Warkianto Widjaya Warnoto Warnoto Waryanto, Bambang Dwi Widhayani, Puri Setioningtyas Widjaja, Warkianto Widya Apriliah, Widya Widyatama, Radya Gading Wijaya, Junior Hendri Windarto, Andhang Wita, Nurul Kurnia WITRIANA ENDAH PANGESTI Woki Bilyaro Wulandari, Hesti Ulin Xiongzhi, Xue Y., Indriarto Yaser Krisnafi, Yaser Yasmiati Yasmiati Yeni Rahmawati, Yeni Yogi Himawan Yogopranoto, Demas Yohanes Ferry Cahaya Yoharmus SYAMSU Yoseph Tajul Arifin Yudi Wahyudin Yulianah Yulianah Yunia Dwie Nurchayanie Yunianto, SR Eko Yurike, Yurike Yusrizal . Yusrizal Yusrizal ZA, Sisma Zahra Zahra Zakaria, Fahri Zebua, C. K. N. Zidane, Rafli Maulana Zuhroh, Rena Sofyatus

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