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All Journal Media Ilmiah Teknik Sipil Journal of Civil Engineering and Planning (JCEP) Teknika Sains : Jurnal Ilmu Teknik Jurnal Abdimas Kartika Wijayakusuma JAPEPAM, Jurnal Pengabdian kepada Masyarakat
Afriyani, Sicilia
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Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences Transportation Other

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Analisis Beban Kerja Dan Beban Mental Masinis Terhadap Keselamatan Perjalanan Kereta Api (Studi Kasus: Masinis pada Divre II Sumatera Barat): Analysis Of Workload And Mental Load Of Machinists On Train Travel Safety (Case Study: Machinists at Divre II West Sumatra) Afriyani, Sicilia; Nofriyanti, Elsa; Angelia, Nike; Sari, Putri Kumala; Fitria, Winda; Mayunita, Finisa Nur
Media Ilmiah Teknik Sipil Vol. 12 No. 3 (2024): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v12i3.8162

Abstract

As a mode of mass transportation, trains are one of the choices for people to travel. Safety and security of train travel are important factors in the implementation of railway transportation. One of the problems in railways is the low safety performance reflected by the high number of accidents. Machinists play an important role in the safety of railroad trave. The increasing number of schedules and trips as well as the lack of the number of machinists assigned to Divre II West Sumatra resulted in an increasingly dense schedule arrangement that affects the workload and mental burden felt by machinists and of course will also have an impact on the safety of the train journey itself. Therefore, it is necessary to conduct research on workload and mental load on machinists. This study aims to predicting the probability of train accidents in terms of factors affecting the level of fatigue, predicting the probability of train accidents in terms of factors affecting workload and mental load, analyzing the relationship between factors affecting workload and mental load felt by machinists in relation to train accidents. The method using modeling with a Bayesian Network Structure (SBN) using questionnaire data conducted on machinists in Divre II West Sumatera which is then analyzed using Gennie 2.2 Software to obtain the probability value of accidents that may occur to machinists based on the machinist classification level and finally find out what factors affect the workload and mental of machinists.
Design of Non- Engineered Earthquake Resistant Housing in West Sumatera Fitria, Winda; Guspari, Oni; Afriyani, Sicilia; Putra, Roni Tri; Misriani, Merley
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.10008

Abstract

This research focuses on the design of earthquake-resistant houses in West Sumatra Province to improve the structural quality of residential buildings. Significant damage to houses caused by previous earthquakes poses a serious threat, especially as it can hinder evacuation processes during disasters. Ensuring individual safety is a top priority in evacuation efforts, making it crucial to build earthquake-safe homes, whether through new construction or renovation, to minimize the risk of casualties. The study employs a quantitative approach guided by the earthquake-resistant house requirements handbook developed by JICA and the Ministry of Public Works. The result is an alternative DED design for a Type 45 house suitable for West Sumatra. This single-story house is designed on hard soil with a structure that meets earthquake standards. The analysis results show the structural specifications as follows: the foundation uses stone with a bottom dimension of 80 cm, a top dimension of 40 cm, and a height of 80 cm; BS beams measure 15 cm x 30 cm; RB beams 15 cm x 20 cm; and columns 20 cm x 20 cm. The average Safety Factor (SF) values are BS beams 1.04, RB beams 1.3, columns > 3, and stone foundation 3, indicating that the planned sections meet the requirements for earthquake-resistant houses. This study aims to contribute to disaster risk mitigation and serve as a guide for communities in constructing earthquake-resistant homes, especially in the West Sumatra region.
Perencanaan Rumah Dua Lantai Dengan Struktur Beton Bertulang Dan Rangka Atap Baja Ringan Prefabrikasi Di Daerah Rawan Gempa: Structural Design Of Two Story Reinnforced Concrete Residential House With Prefabricated Light Steel Roof Frame In Earthquake Areas Fitria, Winda; Guspari, Oni; Putra, Roni Tri; Arazka, Wahyu; Effendi, Effendi; Afriyani, Sicilia; Gusnita, Riza
Media Ilmiah Teknik Sipil Vol. 13 No. 3 (2025): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v13i3.10862

Abstract

This study aims to design a two-story earthquake-resistant house in Padang City with reinforced concrete structural system for columns, beams and foundations, combined with prefabricated lightweight steel roof frame. The design procedure refers to SNI 1727 2020 for minimum loads, SNI 2847 2019 on requirements for reinforced concrete and SNI 1726 2020 on seismic design procedures for buildings. 3D model was developed using sap2000 application to obtain internal forces and support reactions of the building. The foundation design was analyzed by Terzhagi’s method with consideration of the local soil conditions. The result indicate that the designed structural elements meet the strength requirements for earthquake resistant house in Padang. The use of prefabricated light steel roof frame does not significantly affect the total structural weight, but contributes to time efficiency during construction. The structural DED produced in this study is expected to serve as a practical reference for earthquake- resistant housing development in Padang. This research highlights the importance of applying seismic standards even to residential buildings.
Mesin Pemipil Jagung Untuk Petani Jagung Di Nagari Salo Kecamatan Baso Kabupaten Agam Sumiati, Ruzita; Leni, Desmarita; Muchlisinalahuddin, Muchlisinalahuddin; Anderson, Sir; Nasirwan, Nasirwan; Haris, Haris; Afriyani, Sicilia; Verdian, Riza; Rahmi, Nurfitri; Maimuzar, Maimuzar
JAPEPAM, Jurnal Pengabdian kepada Masyarakat Vol. 3 No. 1 (2024): JAPEPAM
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kanagarian Salo kabupaten Agam adalah sebuah wilayah yang mata pencarian masyarakatnya adalah bertani. Salah satu komoditi yang banyak ditanam adalah tanaman jagung karna tanaman ini mudah tumbuh, proses perawatan sangat mudah dan bangsa pasar juga bagus untuk pemenuhan kebutuhan pakan peternakan. Kegiatan pemipilan jagung di Nagari salo masih manual sehingga tidak efektif dan efisien dalam proses pemipilan membutuhkan waktu 1 minggu untuk pemipilan 1 ton jagung. Tujuan kegiatan PKM adalah menyumbangkan alat bantu pemipil jagung pada mitra supaya proses kerja mitra lebih efektif dan efisien. Metoda yang digunakan dalam kegiatan ini adalah rancang bangun alat bantu pemipil sesuai dengan kebutuhan mitra dan pelatihan singkat penggunaan alat. Hasil yang didapat pada kegiatan ini telah dihasilkan mesin pemipil kapasitas 250 kg/jam dengan penggerak motor bensin kapasitas 5HP telah berfungsi dengan baik dan diserahkan ke mitra. Mitra juga diberikan pelatihan singkat tentang pengoperasian alat. Alat tersebut telah digunakan oleh mitra untuk kegiatan pemipilan. Kegiatan ini memberikan dampak positif bagi perekonomian berkelanjutan pada mitra yang melibatkan peningkatan produktivitas, efisiensi kerja, dan pendapatan petani, sekaligus mengurangi beban kerja manual
Analisis Kemampuan Pasir Dari Pantai Nirwana Kota Padang Dan Pasir Dari Pantai Kawasan Mandeh Pesisir Selatan Sebagai Pengganti Pasir Ottawa Dalam Pengujian Sandcone: Analysis Of The Capability Of Sand From Nirwana Beach At Padang City And Sand From Mandeh Beach At Pesisir Selatan As Subtitutes For Ottawa Sand In Sandcone Testing Afriyani, Sicilia; Prices, Afrizal Putra; Arlis, Angga Putra; Araska, Wahyu; Vernando, Vero Gusri; Husni, Alya Miftahul; Effendi, Effendi; Fitria, Winda
Media Ilmiah Teknik Sipil Vol. 13 No. 3 (2025): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v13i3.10869

Abstract

Ottawa sand has long been used as a standard material in geotechnical laboratory tests, particularly in grain size distribution and Sand Cone tests, due to its uniform particle size, purity, and stable physical properties. This study explores the potential of using beach sand from Nirwana and Mandeh as substitutes for Ottawa sand. The research process began with problem identification, followed by a literature review, sample collection, laboratory testing, and data analysis. The results show that the specific gravity of Nirwana sand (2.77) and Mandeh sand (2.72) are relatively close to Ottawa sand (±2.65). In terms of the coefficient of uniformity (Cu), Nirwana sand (2.34) is closer to Ottawa sand (2.17) compared to Mandeh sand (2.94). Regarding the coefficient of curvature (Cc), Nirwana sand (0.72) performs better than Mandeh sand (0.66), although both remain below the ideal range (1–3). Overall, Nirwana sand demonstrates greater potential as an alternative to Ottawa sand, with improvements in gradation recommended to achieve optimal performance.
Seleksi Fitur Berdasarkan Korelasi Pearson dalam Pemodelan Efisiensi Energi Bangunan Leni, Desmarita; Dwiharzandis, Aggrivina; Sumiati, Ruzita; Haris, Haris; Afriyani, Sicilia
TEKNIKA SAINS Vol 8, No 2 (2023): TEKNIKA SAINS
Publisher : Universitas Sang Bumi Ruwa Jurai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24967/teksis.v8i2.2525

Abstract

Prediksi beban pemanasan dan pendinginan bangunan merupakan langkah penting untuk perencanaan dan pengelolaan sistem energi. Hal ini, tidak terlepas dari berkontribusi beban pemanasan dan pendinginan bangunan yang menyumbang 30% dari total konsumsi energi global. Penelitian ini bertujuan untuk menerapkan metode seleksi fitur berdasarkan korelasi Pearson dalam pemodelan prediksi beban pemanasan dan pendinginan bangunan menggunakan Artificial Neural Network (ANN). Korelasi Pearson digunakan untuk menganalisis hubungan antara variabel input dan variabel target. Fitur-fitur yang memiliki korelasi signifikan dengan variabel target digunakan sebagai dataset untuk pelatihan model, sedangkan yang tidak memiliki korelasi signifikan dihapus dari dataset pelatihan. Evaluasi dilakukan menggunakan metrik evaluasi seperti Mean Absolute Error (MAE), Root Mean Squared Error (RMSE), dan R-squared untuk mengukur tingkat keakuratan dan kinerja model dalam memprediksi beban pemanasan dan pendinginan. Hasil pemodelan menunjukkan bahwa seleksi fitur berdasarkan korelasi Pearson menghasilkan prediksi yang sangat akurat untuk beban pemanasan dan pendinginan bangunan. Model ini menunjukkan kinerja yang baik selama pelatihan dan validasi dengan Cross Validation (CV) menggunakan k = 10. Hasil evaluasi model diperoleh nilai MAE 0.457, RMSE 0.628, dan R-squared 0.996 untuk beban pemanasan, sedangkan untuk beban pendinginan diperoleh nilai MAE sebesar 1.163, RMSE 1.74, dan R-squared 0.967. Hasil ini mengindikasikan bahwa seleksi fitur dengan korelasi Pearson dapat dijadikan pendekatan yang efektif untuk meningkatkan performa model prediksi menggunakan machine learning, terutama dalam konteks prediksi beban pemanasan dan pendinginan bangunan.
Pengaruh Substitusi Abu Sekam Padi Pada Semen Terhadap Kuat Lentur Beton Mutu Tinggi: The Influence Of Rice Husk Ash Substitution On Cement Regarding The Flexural Strength Of High-Strength Concrete Murdiansyah, Lukman; Archenita, Dwina; Afriyani, Sicilia; Effendi, Effendi; Eldiswari, Zikra; Sekta, Masri Juang
Media Ilmiah Teknik Sipil Vol. 13 No. 1 (2025): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v13i1.8556

Abstract

High-strength concrete is a crucial construction material in modern infrastructure development. It involves replacing some conventional raw materials with environmentally friendly alternatives to enhance concrete quality. Rice husk ash (RHA) is an agricultural waste that contains natural pozzolanic materials capable of improving the mechanical properties and strength of concrete. The use of rice husk ash (RHA) in high-strength concrete mixtures has the potential to reduce cement consumption and enhance crack resistance. The aim of this research is to investigate the effect of substituting cement with rice husk ash and the addition of superplasticizer on the flexural strength of concrete. The target concrete strength is 4.50 MPa, with rice husk ash substitution rates of 5%, 10%, and 15% of the cement weight. This study found the flexural strength of the concrete at 28 days to be 4.71 MPa for the 5% substitution, and 3.79 MPa for both the 10% and 15% substitutions.
Pendampingan Perkuatan Dinding Rumah Jahit Maharani Hijab untuk Meningkatkan Kapasitas Produksi Fitria, Winda; Annisa, Lidiya; Syofyan, Elvi Roza; Afriyani, Sicilia; Revolis, Messa
Jurnal Abdimas Kartika Wijayakusuma Vol 6 No 3 (2025): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jakw.v6i3.1047

Abstract

Maharani Hijab merupakan salah satu UMKM yang bergerak di bidang fashion muslimah dan mendorong perekonomian di Kota Padang. Meskipun memiliki kontribusi vital terhadap pertumbuhan ekonomi Maharani Hijab menghadapi kendala pada infrastruktur bangunan produksi. Dinding bangunan tempat usaha ini mengalami lendutan dan ditemukan banyak hairline cracks. Hal ini disebabkan karena dinding bangunan pasangan bata memiliki bentang cukup panjang yaitu 6 meter tanpa adanya elemen pengaku vertikal. Oleh karena itu perlu dilakukan perkuatan dinding agar bangunan mampu menahan beban lebih efektif baik beban lateral yang terjadi akibat gempa, tekanan angin, dan mesin produksi yang ada pada bangunan. Metode perkuatan yang dipilih adalah penambahan kolom praktis dan balok di tengah bentang. Kegiatan ini berjalan dengan baik bekerja sama dengan mitra pengabdian yang terlibat, yaitu tim pengurus Maharani Hijab. Hasil dari pendampingan perkuatan dinding ini membuat pihak Maharani Hijab dan masyarakat sekitarnya mendapatkan pemahaman yang lebih baik mengenai bangunan sederhana tahan gempa sebagai bangunan untuk usaha maupun rumah sebagai tempat tinggal.
Co-Authors Aggrivina Dwiharzandis Angelia, Nike Annisa, Lidiya Araska, Wahyu Arazka, Wahyu Arlis, Angga Putra Dwina Archenita Effendi Effendi Eldiswari, Zikra Elvi Roza Syofyan Gusnita, Riza Haris Haris, Haris Husni, Alya Miftahul Lukman Murdiansyah, Lukman Maimuzar Maimuzar Mayunita, Finisa Nur MERLEY MISRIANI Muchlisinalahuddin Nasirwan Nasirwan Nofriyanti, Elsa Oni Guspari Prices, Afrizal Putra Putra, Roni Tri Rahmi, Nurfitri Revolis, Messa Ruzita Sumiati Sari, Putri Kumala Sekta, Masri Juang Sir Anderson Verdian, Riza Vernando, Vero Gusri Winda Fitria