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Miskar Maini
Institut Teknologi Sumatera
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Focus Group Discussion (FGD) Penyusunan Kurikulum 2025 - 2030 Program Studi Teknik Sipil Institut Teknologi Sumatera Kurniawan, Rahmat; Michael, Michael; Syuhada, Syahidus; Maini, Miskar; Fitriana, Indri Rahmandhani; Hayati, Julita; Dwiyana, Putri Ayu; Mardika, M Gilang Indra; Aprilia, Ayu Sinta; Khanza, Ayu Kamila; Saputra, Cahyo Agung; Prayogi, Galih Rio; Ribowo, Anggarani Budi; Yudi, Ahmad; Nadi, Muhammad Abi Berkah
Jurnal Pengabdian Masyarakat Bhinneka Vol. 4 No. 1 (2025): Bulan September
Publisher : Bhinneka Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58266/jpmb.v4i1.463

Abstract

Penyusunan kurikulum berbasis Outcome Based Education (OBE) merupakan upaya strategis untuk memastikan ketercapaian kompetensi lulusan yang relevan dengan kebutuhan dunia kerja, perkembangan teknologi, dan tantangan pembangunan berkelanjutan. Sejalan dengan hal tersebut, Program Studi Teknik Sipil Institut Teknologi Sumatera (ITERA) menyelenggarakan Focus Group Discussion (FGD) sebagai wadah kolaboratif dalam merumuskan Kurikulum 2025–2030. Proses ini melibatkan pemangku kepentingan internal dan eksternal, termasuk dosen, mahasiswa, alumni, praktisi, asosiasi profesi, serta pengguna lulusan. Kurikulum yang dikembangkan dirancang sesuai dengan standar Outcome Based Education (OBE) dan kriteria akreditasi LAM Teknik, dengan penekanan pada penguatan kompetensi inti bidang teknik sipil, integrasi teknologi digital, prinsip keberlanjutan lingkungan, serta pengembangan soft skills mahasiswa. Hasil FGD ini menghasilkan rekomendasi kurikulum yang adaptif, aplikatif, dan berorientasi pada capaian pembelajaran lulusan (CPL) yang selaras dengan standar nasional maupun internasional, sekaligus mendukung visi ITERA untuk menjadi perguruan tinggi yang unggul dalam sains, teknologi, dan inovasi.
Comparison of Manning's Roughness Coefficient Estimation Methods Based on Channel Geometry and Bed-Load Sediment Characteristics in the Way Tapus River Ayudia Hardiyani Kiranaratri; Miskar Maini
G-Tech: Jurnal Teknologi Terapan Vol 9 No 3 (2025): G-Tech, Vol. 9 No. 3 July 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i3.7378

Abstract

Natural and artificial rivers contain bed-load sediment materials with varying shapes and grain sizes influencing flow resistance, velocity, and discharge. This resistance is expressed by the Manning roughness coefficient (n), whose accurate estimation is essential for hydraulic analysis. While n is commonly obtained from Manning’s table, alternative methods based on hydraulic parameters, channel geometry, and sediment characteristics, such as the Keulegan, Mayer-Peter-Muller, Lane and Carlson, Henderson, Raudkivi, Subramanya, and Wong and Parker methods, can be applied for more site-specific estimations. This study utilized primary field data and secondary data to estimate n values using various approaches. The n values ranged from 0.096–0.148 (hydraulic parameters), 0.069–0.136 (channel geometry), and 0.009–0.018 (sediment-based methods). Error analysis comparing calculated and observed discharges showed that the channel geometry method yielded the most accurate results with an average error of 15.59%. In contrast, other methods resulted in significantly higher errors. Thus, the channel geometry approach is recommended for estimating the Manning coefficient in the Way Tapus River.
Innovative Approaches to Post-Earthquake Reconstruction Material Evaluation for Healthy Simple Houses Junita Eka Susanti; Miskar Maini; Elian Zhafira
G-Tech: Jurnal Teknologi Terapan Vol 9 No 4 (2025): G-Tech, Vol. 9 No. 4 October 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i4.8007

Abstract

Post-earthquake housing reconstruction is essential for accelerating community recovery and ensuring safer living conditions in disaster-prone regions. This study evaluates the potential of recycled rubble sand from demolished masonry walls as an acceptable aggregate replacement in mortar production. It explores its integration into the development of a Healthy Simple House (HSH) model for post-disaster housing reconstruction. Laboratory experiments were conducted in accordance with PUBI-1982 and SII 0052-80 standards to characterize material properties and assess mechanical performance. The results indicate that rubble sand exhibits a well-graded particle distribution, stable density values (SSD 2.48 g/cm³, bulk 2.35 g/cm³, apparent 2.71 g/cm³), and moderate water absorption (5.62%), with slight organic contamination. Compressive strength tests showed that mortars with a 1:3 cement-to-sand ratio reached approximately 24 MPa at 28 days, meeting structural requirements, while higher rubble proportions reduced strength, restricting their application to non-structural components. The incorporation of rubble sand into the HSH model highlights its role in sustainable reconstruction by reducing reliance on natural resources while ensuring safe, healthy, and affordable housing. The study concludes that recycled rubble sand can be effectively utilized as a partial aggregate substitute, providing practical guidance for post-disaster housing programs and informing policy development for environmentally friendly and resilient reconstruction strategies that contribute to community resilience.
Flow Resistance Estimation Using the Empirical Chezy Method in Sediment-Laden Flow Miskar Maini; Junita Eka Susanti
G-Tech: Jurnal Teknologi Terapan Vol 9 No 4 (2025): G-Tech, Vol. 9 No. 4 October 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i4.8057

Abstract

Hydraulic resistance, represented by the Chezy coefficient, is crucial in estimating flow discharge in open channels and serves as a fundamental parameter in designing hydraulic structures such as irrigation canals and river control facilities. This study investigates the behavior of the Chezy coefficient under non-sediment-laden (NSL) and sediment-laden (SL) flow conditions through controlled laboratory experiments using coarse sand, complemented by comparative analysis with data from irrigation channels and natural rivers. The results show that the ratio of mean velocity to shear velocity (U/u*) exhibits a robust correlation with discharge (Q) under both flow conditions, with a determination coefficient (R²) exceeding 0.96. The hydraulic radius (Rh) also shows a strong linear relationship with discharge (R ≈ 0.98), confirming its role in the empirical estimation of the Chezy coefficient (C). The value of C increases with higher velocity ratios but tends to be slightly lower under SL conditions due to increased resistance from suspended sediments. The Mean Absolute Error (MAE) value of 0.02 indicates a slight difference between NSL and SL conditions. These findings suggest that the empirical method is unreliable and exhibits significant differences in estimating Chezy under sediment-laden flow. It highlights the need for supplementary approaches to improve irrigation and river management design accuracy.
KAJIAN SPILLWAY ROUTING PADA KONSTRUKSI BANGUNAN AIR DENGAN SISTEM POND UNTUK OPTIMALISASI PENGENDALIAN BANJIR DI KAWASAN INDUSTRI Miskar Maini; Junita Eka Susanti
Jurnal Infrastruktur Vol. 11 No. 2 (2025): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/rkkd8g41

Abstract

Ponds are key structures in flood control strategies, especially in industrial areas which have a high vulnerability to excess air runoff. The main risk faced is the potential for air overflow from the pond, which could cause serious damage downstream, including the risk of embankment failure and damage to the spillway. Therefore, controlling the water level in the pond is very important, especially in dealing with high-intensity flooding events. When the water level reaches the specified threshold, the water in the pool must flow in a controlled to the drainage channel through the spillway. This research uses the HSS Nakayasu method to estimate flood discharge entering the pond. At the same time, the calculation of the spillway is carried out based on the reservoir capacity of the pond and the planned spillway design. The research results show that the flood discharge entering the pond at various return periods, namely 5, 10, 20, 25, 50, and 100 years, ranges from 19.53 m³/s to 33.78 m³/s. The discharge from the spillway varies from 5,03 m³/s to 8,68 m³/s at the same return period. The maximum flood water level above the spillway varies from 0,90 m to 1.30 m, with the increase in water level from the bottom of the pond (elevation +20.00 m) reaching +24.90 m to +25.30 m. Further calculation results show that at a return period of 100 years, the pond is able to reduce flood discharge by up to 74%, with 26% of the flood discharge being channeled gradually through spillways and drainage channels to the river. The effectiveness of the spillway in reducing the risk of runoff confirms that this pond functions as a reliable flood mitigation solution for the shoe factory industrial area in Pekalongan Regency, Central Java Province.
Bantuan Teknis Desain Konstruksi Beton Non-Struktural Berbasis Pemanfaatan Limbah Industri Batching Plant dan Asphalt Mixing Plant untuk Mendukung Infrastruktur Berkelanjutan Ribowo, Anggarani Budi; Maini, Miskar; Sihombing, Tera Melya Patrice; Yuliyanto, Andry; Zhafira, Elian; P, Kirtinanda; Novalina, Winny; Rahma, Siti; Marina, Bernaditha Catur; Sitepu, Arif Rahman Hakim; Apriwelni, Siska; Kiranaratri, Ayudia Hardiyani; Sari, Dian Perwita; Utami, Erdina Tyagita; Tambunan, Hermon Frederik
Jurnal Pengabdian Masyarakat Bhinneka Vol. 4 No. 3 (2026): Bulan Februari
Publisher : Bhinneka Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58266/jpmb.v4i3.1233

Abstract

Industri konstruksi seperti batching plant dan Asphalt Mixing Plant (AMP) menghasilkan limbah berupa sisa beton mengeras, slurry pencucian mixer, agregat terkontaminasi semen, serta residu aspal halus yang berpotensi menimbulkan dampak lingkungan apabila tidak dikelola dan dimanfaatkan secara optimal. Kegiatan pengabdian kepada masyarakat ini bertujuan mendukung penerapan infrastruktur berkelanjutan melalui optimalisasi pemanfaatan limbah konstruksi sebagai bahan baku alternatif beton non-struktural. Program dilaksanakan melalui tahapan identifikasi jenis dan volume limbah (±1–2 ton per minggu), pengolahan awal (pengeringan, penghancuran, dan pengayakan), perancangan komposisi campuran (mix design), pencetakan produk, curing selama 28 hari, serta pengujian kuat tekan dan daya serap air. Hasil perancangan menghasilkan batako berdimensi 40 × 20 × 10 cm, paving block 20 × 10 × 6 cm, serta saluran beton pracetak dengan lebar 40–85 cm dan tinggi 45–60 cm. Secara teknis, agregat limbah batching plant efektif sebagai substitusi parsial agregat alami, sedangkan residu AMP berfungsi sebagai filler yang meningkatkan kepadatan dan menurunkan porositas beton. Produk yang dihasilkan memenuhi kriteria mutu beton non-struktural untuk aplikasi pagar, perkerasan pejalan kaki, dan saluran drainase kawasan industri skala kecil–menengah maupun saluran irigasi. Kegiatan ini berkontribusi pada pengurangan timbulan limbah, efisiensi biaya material, serta penguatan prinsip ekonomi sirkular dalam pembangunan infrastruktur berkelanjutan.
Hydraulic Capacity Analysis and Design of Road Culvert Drainage for Spillway Outflow in an Industrial Area in Pekalongan, Central Java, Indonesia Miskar Maini
G-Tech: Jurnal Teknologi Terapan Vol 10 No 2 (2026): G-Tech, Vol. 10 No. 2 April 2026
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v10i2.9402

Abstract

The development of industrial areas significantly increases surface runoff by expanding impervious surfaces, potentially exceeding the capacity of existing drainage systems and increasing flood risk. In many industrial zones, stormwater management infrastructure must also accommodate additional discharge from retention pond spillways, which can further burden road drainage systems. In the study area, spillway outflow from a retention pond is conveyed into the road drainage network, requiring an adequately designed culvert system to accommodate the flow safely. This study aims to analyze the hydraulic capacity and design an appropriate road culvert drainage system to convey spillway outflow in an industrial area. Secondary data on design flood discharge were obtained from previous studies that conducted rainfall frequency analysis, flood discharge estimation using the Nakayasu Synthetic Unit Hydrograph method, and spillway routing analysis. The results show that the design flood discharge for the 100-year return period (Q100) is 8.68 m³/s. A hydraulic analysis using the Manning equation was performed to determine the culvert dimensions required to convey the design discharge safely. The analysis indicates that the proposed culvert system is hydraulically adequate. A culvert with a diameter of 2.0 m is installed in the upstream section to accommodate concentrated inflow from the spillway outlet. In comparison, two parallel culverts with a diameter of 1.3 m are installed along the middle-to-downstream sections on both sides of the road. This configuration provides a total discharge capacity of 8.752 m³/s, exceeding the design flood discharge. The results demonstrate that the proposed design improves drainage Reliability in industrial areas and contributes to flood mitigation by regulating runoff discharge, thereby reducing potential flood risk in downstream residential areas. These findings provide practical guidance for infrastructure planning and policy strategies to integrate industrial drainage systems with regional flood mitigation efforts.
Sosialisasi Mitigasi Banjir dan Perencanaan Drainase Lingkungan Berkelanjutan di Kawasan Cagar Budaya Palembang Tera Melya Patrice Sihombing; Andry Yuliyanto; Galih Rio Prayogi; Miskar Maini; Junita Eka Susanti; Kirtinanda P; Arif Rahman Hakim Sitepu; Cahyo Agung Saputra; Yustein Dharma Dewadharu Wynarko; Aulia Dewanggga; Elsyah Auren Azizi; Shofie Mauly Kemala; Rebecca Oktri Dayanti Hutahaean
Jurnal Pengabdian Masyarakat Bhinneka Vol. 4 No. 4 (2026): Juli
Publisher : Bhinneka Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58266/jpmb.v4i4.1615

Abstract

Kawasan Cagar Budaya Palembang merupakan aset sejarah dan budaya yang memiliki nilai penting sehingga memerlukan upaya pelestarian yang berkelanjutan. Namun, kawasan ini menghadapi ancaman banjir akibat kondisi topografi yang relatif rendah, kedekatannya dengan Sungai Musi, peninggian elevasi lahan akibat sedimentasi dan reklamasi, serta belum optimalnya sistem drainase dan partisipasi masyarakat dalam pengelolaan lingkungan. Kegiatan pengabdian kepada masyarakat ini bertujuan meningkatkan kapasitas masyarakat dalam mitigasi banjir melalui penyusunan peta mitigasi serta pengembangan rancangan teknis sistem drainase lingkungan yang berkelanjutan. Metode pelaksanaan meliputi identifikasi kondisi eksisting sistem drainase, survei lapangan, pemetaan wilayah rawan banjir, penyusunan peta zonasi risiko banjir, sosialisasi kepada masyarakat, serta penyusunan konsep desain teknis drainase yang mempertimbangkan karakteristik kawasan cagar budaya. Kegiatan juga melibatkan masyarakat, pengelola kawasan, dan pemangku kepentingan lainnya untuk mendorong pengelolaan lingkungan secara partisipatif. Hasil kegiatan menunjukkan tersusunnya peta mitigasi banjir yang memuat tingkat risiko, lokasi potensi genangan, dan pola aliran air sebagai dasar pengambilan keputusan dalam penanganan banjir. Selain itu, dihasilkan rancangan teknis sistem drainase lingkungan berkelanjutan yang diharapkan mampu meningkatkan kapasitas pengendalian banjir sekaligus mendukung pelestarian kawasan cagar budaya. Program ini memberikan kontribusi dalam meningkatkan pemahaman masyarakat terhadap mitigasi bencana serta memperkuat kolaborasi antar-pemangku kepentingan dalam mewujudkan pengelolaan kawasan yang tangguh dan berkelanjutan.
ANALISA PENGARUH PENGGUNAAAN KERTAS HVS SEBAGAI SUBSTITUSI AGREGAT HALUS PADA CAMPURAN BETON: ANALISA PENGARUH PENGGUNAAAN KERTAS HVS SEBAGAI SUBSTITUSI AGREGAT HALUS PADA CAMPURAN BETON ayu Sinta Aprilia; Rawid Panji Asmara; Kirtinanda P; Ahmad Yudi; Arif Rahman Hakim Sitepu; Putri Ayu Dwiyana; Ayu Kamila Khanza; Miskar Maini; Bernaditha Catur Marina
STATIKA: Jurnal Teknik Sipil Vol. 10 No. 2 (2024): STATIKA : JURNAL TEKNIK SIPIL
Publisher : Politeknik Raflesia Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53494/jts.v10i2.712

Abstract

Penelitian ini bertujuan mengatasi masalah lingkungan akibat limbah kertas sekaligus mencari alternatif material ramah lingkungan dalam konstruksi dengan mengkaji pemanfaatan limbah kertas sebagai subtitusi agregat halus pada beton. Substitusi limbah kertas dilakukan dengan variasi 2%, 5%, dan 7,5%, dan hasil menunjukkan bahwa kuat tekan beton menurun seiring peningkatan substitusi kertas, dengan nilai berturut-turut 20,18 MPa, 19,05 MPa, 18,30 MPa, dan 17 MPa. Penurunan ini terjadi karena kertas menyerap air yang dibutuhkan dalam hidrasi semen. Meskipun demikian, beton dengan substitusi kertas HVS pada variasi yang digunakan masih dapat diaplikasikan untuk beton non-struktural dan struktural ringan. Penggunaan limbah kertas dalam variasi tersebut mampu mengurangi limbah kertas masing-masing sebesar 3,380 kg/m³, 8,449 kg/m³, dan 12,673 kg/m³, serta menawarkan alternatif material yang lebih ramah lingkungan.
Co-Authors Afenda, Gerald Samuel Afriana, Velia Dwi Agatha Padma Laksitaningtyas, Agatha Padma Ahmad Yudi Akbar, Muhammad Irfan Khairullah Al Farisi, Muhammad Ilham Al Thoriq, Alif Muhammad Alexander, Rionaldo Alfadla, Moza Nayla Alfinna Mahya Ummati, Alfinna Mahya Andena , Rahma Andry Yuliyanto Angelica, Sabrina Anton Saputra, Anton Anwar, Ilyas Aprilia, Ayu Sinta Apriwelni, Siska Arman, Renata Ulima Aulia Dewanggga Aulia Hidayat Burhamidar Aulia, Khoiria Artha Ayu Kamila Khanza Ayu Sinta Aprilia Ayu Sinta Aprilia Ayudia Hardiyani Kiranaratri Ayudia Hardiyani Kiranaratri Berliantine, Febi Getzi Bernaditha Catur Marina Br Purba , Angel Permata Sari Budi Ribowo, Anggarani Cahyo Agung Saputra Cahyo Agung Saputra Cibro, Dantomi Dian Perwita Sari Djoko Legono Ekaputra, Reza Asriandi Elian Zhafira Elsyah Auren Azizi Erdina Tyagita Utami Fadillah Sabri Fathurrahman, Arif Fitriana, Indri Rahmandhani Furqan Ali Yusuf Galih Rio Prayogi Gulo, Fransiscus Yana Julio Hakim, Nasywa Naura Fitriani Ilham, Rahmat Arifin Ilpandari Ilpandari Ilpandari, Ilpandari Istiarto Julita Hayati Junita Eka Susanti Khanza, Ayu Kamila Kironoto, Bambang A. Kirtinanda P Kirtinanda P M Gilang Indra Mardika Marina, Bernaditha Catur Mashuri Mashuri Mashuri Matondang, Nikmah Azhima Putri Michael Michael Mukhlis, Sasy Gisda Nadi, Abi Berkah Nadi, Muhammad Abi Berkah Novalina, Winny Nurfauziah, Haliza Nurjanah, Suci P Kirtinanda Pangestu, Bagus Prayogi Pratama, Krisna Putra, M. Ikhsan Wisna Putra, Satria Pratama Putri Ayu Dwiyana Putri Ayu Dwiyana Rahardjo, Adam P. Rahmat Kurniawan Rahmat Kurniawan Ramadhan , Farhan Nur Ramadhan, Windu Revi Ramadhani, Mutia Rawid Panji Asmara Rebecca Oktri Dayanti Hutahaean Reza Asriandi Ekaputra Sambuaga, Arif Rachman Saragih, Yesika Febyanti Sari , Tri Nilam Selviana, Lulu Shofie Mauly Kemala Sihombing, Tera Melya Patrice Simatupang, Partogi Josua Gembira Sitepu, Arif Rahman Hakim Siti Rahma Syafira, Alifia Angel Joane Syahidus Syuhada Syaputra, M. Raihan Tambunan, Hermon Frederik Tarigan, Biela Thoricelly Br Tera Melya Patrice Sihombing Utami, Erdina Tyagita Yusri , Muhammad Yustein Dharma Dewadharu Wynarko Yusuf, Furqan Ali Zhafira, Elian