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All Journal TEKNIK Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Ilmu Lingkungan Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Jurnal Profesi Insinyur Indonesia Jurnal Pengabdian Nasional (JPN) Indonesia
Anik Sarminingsih, Anik
Department Of Environmental Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences Transportation Other

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Hydrological and Hydraulic Analysis of Drainage System of Salamanmloyo Sub-district, Semarang, Indonesia Sarminingsih, Anik; Alma, Georgia; Nugraha, Winardi Dwi
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.547-560

Abstract

Salamanmloyo, one of the sub-districts in West Semarang District, Semarang City, is a densely populated area with nearly all of its land built-up. Due to its location in the lower region of Semarang, it is vulnerable to flooding. Salamanmloyo has experienced floods and inundation due to insufficient pervious areas and inefficient drainage channels. This occurs when there is an imbalance between the drainage channel capacity and the discharge that needs to be handled, as well as when waste, sediment, and vegetation are present in the channel. As for the existing conditions in the Salamanmloyo Sub-district, no previous study regarding flooding and inundation has been conducted in this area. Therefore, it is necessary to conduct research and planning to determine the existing conditions of drainage channels, hydraulic and hydrological analysis results, and suitable SUDS types to decrease the flooding volume level. Hydraulic and hydrological analyses will be performed as a part of this planning, after which EPA SWMM 5.1 modelling will be performed under four different conditions: current, maximum SUDS application, channel normalization, and channel re-design conditions. The outcomes of the SUDS planning were applied in the form of 497 units of infiltration wells and 16,345.6 m2 of permeable pavement. SUDS implementation, drainage channel normalization, and redesign helped minimize the total flooding volume by 66.3%, from 231,456 m3 to 78,008 m3.
Analisis Kandungan Organik dan Logam Berat pada Tanah di Sekitar Lubang Resapan Biopori Sarminingsih, Anik; Sumiyati, Sri; Syahla, Alkha Nayla; Anggraini, Fanny Ardanti; Prasetyo, Febrianto Ardhi; Rizkita, Lale Tania; Suci, Nadia Maharani Eka; Putri, Wimanda Novita; Rahadianto, Muhammad Arsyad Dwi
Jurnal Ilmu Lingkungan Vol 23, No 5 (2025): September 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.5.1370-1377

Abstract

Salah satu solusi yang dikembangkan untuk mengelola sampah sisa makanan adalah melalui teknologi lubang resapan biopori (LRB) komposter. Proses kerja LRB komposter melibatkan dekomposisi sampah sisa makanan oleh mikroorganisme di dalamnya sehingga menghasilkan kompos. Selain kompos, proses ini juga menghasilkan air lindi yang terbentuk dari rembesan kadar air dalam sampah serta sumber eksternal seperti air hujan, yang melalui lubang biopori. Air lindi yang dihasilkan dari proses komposting tersebut meresap ke dalam tanah dan berpotensi bercampur dengan air tanah di sekitarnya. Kandungan air lindi termasuk logam berat, senyawa nitrogen, garam, dan bahan organik yang dapat mengancam lingkungan. Beberapa polutan utama yang sering ditemukan dalam air lindi meliputi COD, NH3-N, Fe, Cl, serta logam berat seperti As, Cd, Ni, dan Mn. Sementara itu, bahan organik dalam tanah memiliki peran sentral dalam memperbaiki struktur fisik, meningkatkan aktivitas biologis, dan meningkatkan ketersediaan nutrisi bagi tanaman, sehingga berperan penting dalam meningkatkan kesuburan tanah secara keseluruhan. Data diperoleh melalui pengambilan sampel pada LRB 1, LRB 2, dan LRB 3 dengan jarak dan kedalaman yang bervariasi. Dari sampel yang telah diambil dilakukan pengukuran untuk mengetahui logam berat yang terkandung dalam tanah di sekitar LRB.
Review of Potential Biochar Utilization on Soil Quality in Agricultural Environments Zaman, Badrus; Sarminingsih, Anik; Pratiwi, Lisa Cahya
Jurnal Penelitian Pendidikan IPA Vol 9 No SpecialIssue (2023): UNRAM journals and research based on science education, science applic
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9iSpecialIssue.6201

Abstract

Land and environmental sustainability are two interconnected factors of long-term development. Former sand mining area that has been neglected and disused for many years can have a significant impact on environmental degradation. Sand mining activities previously conducted on this site employing trucks hauling mining goods may have had an impact on soil erosion and topsoil removal. The use of biochar is one promising invention in agriculture and land restoration. The purpose of this article is to investigate the usage of biochar as a substance for enhancing soil quality. Biochar is a carbon product derived from the pyrolysis (low or no oxygen heating) of organic biomass such as wood, straw, or other plant leftovers. Because of its numerous benefits in enhancing soil quality and promoting sustainable agriculture, the use of biochar in agriculture and land restoration has attracted extensive attention. Aside from that, biochar is thought to be more efficient than other techniques of enhancing soil quality due to its low cost
The Penilaian Sumber Daya Air (Water Resources Assessment) Sub DAS Cirasea, Kabupaten Bandung Dhea Fitria; Syafrudin; Anik Sarminingsih
Jurnal Penelitian Pendidikan IPA Vol 11 No 8 (2025): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i8.11801

Abstract

The phenomena that often occur in the Cirasea Sub-DAS are floods in the rainy season and droughts in the dry season. Climate change, land use changes, population growth and industrialization have put significant pressure on the availability of water resources in the Cirasea Sub-DAS. The purpose of this study is to gain a better understanding of water resources and their management in the area. The research method used in this study is descriptive with a quantitative approach. Water availability is calculated using the HEC-HMS simulation and water needs are calculated using the formula approach published by the Ministry of Environment, 2014. A comprehensive analysis of water availability and the risk of water scarcity is assessed using HEC-HMS. Calibration and validation are also carried out to determine the suitability between field discharge data (measured) and the calculation results using HEC-HMS (calculated). The calculation results of the mainstay discharge of the Upper Citarum River referring to SNI 6738-2015, obtained the mainstay discharge of the Upper Citarum River Q80 of 2.3 m3/second, Q90 of 1.52 m3/second and Q95 of 1.1 m3/second. This research can provide a significant contribution in optimizing the carrying capacity and management of water resources in the Cirasea Sub-DAS area. The results can also be used to help determine strategies and planning for future water resource management.
Analysis of the Impacts of Dam Construction on Water Quality and the Surrounding Ecosystem of the Pamukkulu Dam, Takalar Regency Fajar N. Utomo; Syafrudin; Anik Sarminingsih
Jurnal Penelitian Pendidikan IPA Vol 11 No 11 (2025): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i11.13010

Abstract

Dam construction offers substantial benefits to society, including the raw water supply. However, such projects also exert significant impacts on water quality and the surrounding ecosystems. This study aims to examine changes in water quality and their subsequent effects on the local ecosystem, as well as to propose appropriate mitigation strategies. The methodology employed includes the measurement of physico-chemical water parameters and biodiversity surveys. A case study was conducted at the Pamukkulu Dam by comparing water quality conditions at two sites (the upstream and downstream) before and after construction. The findings reveal a deterioration in water quality attributable to sediment accumulation, eutrophication, and alterations to natural habitats and local biodiversity within one year following impoundment. Notably, BOD levels downstream increased from 1.07 mg/L to 6.18 mg/L, while COD levels rose from 7.04 mg/L to 105.68 mg/L. Ammonia concentrations downstream increased from <0.001 mg/L to 1.09 mg/L, and total coliform counts escalated from 11 MPN/100 mL to 2,800 MPN/100 mL. Furthermore, oil and fat levels downstream rose from <0.02 mg/L to 0.19 mg/L, and MBAS levels increased from <0.01 mg/L to 0.01 mg/L. This study concludes that dam construction significantly affects water quality and ecosystems, particularly within the reservoir and downstream river areas.
Pengaruh Serbuk Cangkang Kerang Terhadap Kuat Tekan Bebas Tanah Lempung Lunak Pesisir Kusumastuti, Dyah Pratiwi; Priastiwi, Yulita Arni; Sarminingsih, Anik
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2, DESEMBER 2025 (IN PROGRESS)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.71174

Abstract

As an archipelagic country, Indonesia has extensive coastal areas that are intensively developed for infrastructure. Kosambi District in Tangerang Regency is one of the rapidly growing coastal regions due to its proximity to Soekarno–Hatta International Airport. However, the area is predominantly underlain by soft marine clay soils with low bearing capacity and high compressibility, which pose challenges for infrastructure development. To improve soil stability, soil stabilization methods are required to enhance unconfined compressive strength and undrained shear strength. This study aims to analyze the effect of cockle shell powder addition on the unconfined compressive strength and undrained shear strength of soft marine clay. Laboratory tests were conducted on untreated soil and soil stabilized with 5%, 10%, 15%, and 20% cockle shell powder by dry weight of soil. The results indicate that the optimum performance was achieved at a 10% addition, resulting in a 24.86% increase in unconfined compressive strength compared to untreated soil. In addition to improving strength, the addition of cockle shell powder reduced water content and enhanced interparticle bonding, thereby improving soil stability. These findings demonstrate that cockle shell powder has strong potential as an effective stabilizing material for soft coastal clay soils.
Studi Kasus Manajemen Perubahan Berbasis BIM 5D pada Proyek Gedung Perkantoran dengan Jenis Kontrak Rancang dan Bangun Sustiawan, Frisky; Sarminingsih, Anik; Soetrisno, Yosua Alvin Adi
Jurnal Profesi Insinyur Indonesia Vol 3, No 4 (2025): JPII
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpii.2025.31171

Abstract

Perubahan atau variasi dalam pekerjaan konstruksi kerap terjadi selama pelaksanaan proyek. Variasi proyek konstruksi dapat menyebabkan efek negatif maupun positif pada proyek. Pada proyek konstruksi dengan skema kontrak rancang dan bangun, perubahan besar umumnya terjadi sejak penandatanganan kontrak hingga tahap serah terima akhir. Perubahan atau variasi yang muncul dalam proyek sering kali menimbulkan dampak negatif, sehingga dibutuhkan pengelolaan perubahan yang efektif dan efisien. Studi kasus dalam penelitian ini bertujuan untuk menilai sejauh mana BIM 5D efektif digunakan sebagai perangkat lunak dalam memantau proses manajemen perubahan pada proyek pembangunan gedung perkantoran dengan jenis kontrak rancang dan bangun. Penelitian ini menggunakan pendekatan deskriptif kualitatif dengan studi kasus yang dilakukan pada proyek Pembangunan Gedung dan Kawasan Kantor Kementerian Koordinator 1. Hasil penelitian menunjukkan bahwa penggunaan perangkat lunak Cubicost (BIM 5D) dapat mempermudah penyedia jasa dalam mengelola perubahan (Change Management). Selain itu BIM 5D bisa memperbaiki dan menemukan kesalahan aritmatik yang terjadi pada data awal yang menggunakan metode konvensional. Kata kunci: BIM 5D, manajemen perubahan, rancang dan bangun, gedung perkantoran, quantity take off
Co-Authors . Widayat A'yun, Husnul Karimah Qurrata Aeni, Qurotul Aini, Afifah Nadya Aldela, Eriza Salsa Alinda Astriani Alma, Georgia Alya Karmilia Anang Wahyu Sejati Andreanto, Stefanus Kristian Anggraini, Fanny Ardanti Annisa Sila Puspita Anwar, Norrisal Fuade Arya Rezagama Axelino Farrell Andika Badrus Zaman Bagus Tri Buko Bernadinus Gunawan Broto Miseno Bimastyaji Surya Ramadan Budi Prasetyo Samadikun Budi Prasetyo Samadikun Budiharjo, M Arief Destiasari, Ajeng Dhea Fitria Dwi Siwi Handayani Elawati, Nunung Eni Endro Sutrisno Fajar N. Utomo Filial Dhiya Thifalina Firdausy, Asteria Marsha Frisky Sustiawan Henny Juliani Henny Juliani, Henny Ika Bagus Priyambada Ikviy Ya’azzan Nabila Imani, Shabrina Putri Irfan Alfarisi Junaidi Junaidi Kusumastuti, Dyah Pratiwi Mahfud Afandi, Mahfud Mochamad Arief Budihardjo Mochamad Arief Budihardjo Mochtar Hadiwidodo Mustika Balqis Novianti Novianti Noviyanto, Sigit Nurandani Hardyanti Prasasty, Ghina Azlia Prasetyo, Febrianto Ardhi Pratiwi, Lisa Cahya Purwono Purwono, Purwono Putri, Wimanda Novita Rahadianto, Muhammad Arsyad Dwi Rahmadani, Ajeng Yasinta Ramadan, Bimastyaji Surya Ramadhan, Bima Setyadi Ramadhan, Hafidz Ismu Risky Setiawan Rizkita, Lale Tania Rusdianto, Danang Arip Sani, Muhammad Thariq Sejati, Anang Wahyu Sri Sumiyati Suci, Nadia Maharani Eka Syafrudin Syafrudin Syafrudin Syafrudin Syafrudin Syahla, Alkha Nayla Thomas Triadi Putranto, Thomas Triadi Wati, Hessy Rahma Wiharyanto Oktiawan Winardi Dwi Nugraha Yosua Alvin Adi Soetrisno Yulita Arni Priastiwi ZAMAN, Badrus Zayanah, Nurul Fadhilah