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All Journal Jurnal Konstruksia International Journal of Civil Engineering and Infrastructure (IJCEI) Jurnal Pengabdian Masyarakat dan Riset Pendidikan KOPEMAS
Irnanda Satya Soerjatmodjo
Universitas Muhammadiyah Jakarta
Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Education Engineering Environmental Science Languange, Linguistic, Communication & Media Mathematics Social Sciences Transportation Other

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Prioritas Kerusakan Perkerasan Kaku Pada Jalan Raya Cikarang Sukatani Kabupaten Bekasi Al Kautsar, M. Gibran; Soerjatmodjo, Irnanda Satya; Rahayu, Tanjung; Trijeti, Trijeti
Konstruksia Vol 16, No 1 (2024): Jurnal Konstruksia Vol 16 No. 1 Tahun 2024
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jk.16.1.142-153

Abstract

Perkembangan sektor industri yang pesat membutuhkan infrastruktur jalan yang andal untuk mendukung kelancaran distribusi barang dan pertumbuhan ekonomi. Jalan Raya Cikarang Sukatani, Kabupaten Bekasi, Provinsi Jawa Barat, merupakan ruas jalan strategis yang berperan penting dalam mendukung aktivitas industri di sekitarnya. Namun, kerusakan jalan seperti retak, deformasi, dan lubang menjadi tantangan utama yang mengurangi kapasitas jalan dalam mendukung beban lalu lintas dan mempercepat kerusakan perkerasan. Penelitian ini bertujuan untuk mengevaluasi kondisi jalan menggunakan metode Pavement Condition Index (PCI) dan menetapkan prioritas perbaikan menggunakan metode Binamarga, sehingga dapat memberikan rekomendasi yang tepat dalam pengelolaan jalan. Metode PCI digunakan untuk mengukur tingkat kerusakan perkerasan dan memberikan nilai numerik sebagai indikator kondisi jalan, sedangkan metode Binamarga digunakan untuk menentukan prioritas perbaikan berdasarkan tingkat urgensi dan dampaknya terhadap pengguna jalan. Hasil penelitian menunjukkan bahwa terdapat 10 jenis kerusakan yang teridentifikasi sepanjang ruas jalan yang diteliti, dengan nilai kondisi perkerasan jalan sebesar 58,04, yang mengindikasikan kondisi perkerasan yang baik berdasarkan standar ASTM D6433-11. Selain itu, prioritas perbaikan menunjukkan perlunya program peningkatan di 8 segmen jalan yang mengalami kerusakan serius dan pemeliharaan berkala di 92 segmen lainnya.
Perencanaan Pembiayaan Usulan Pekerjaan Musholla Al Hidayah, Jatirahayu, Pondok Melati, Kota Bekasi : Penelitian Irnanda Satya Soerjatmodjo; Tanjung Rahayu Raswitaningrum; Dadang Supriyatno; Noviandi Putra Darsono
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 1 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 1 (Juli 2025 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i1.1788

Abstract

Penelitian pengabdian masyarakat ini berfokus pada perencanaan pembiayaan usulan renovasi dan pengembangan Musholla Al Hidayah yang berlokasi di Jatirahayu, Pondok Melati, Kota Bekasi. Musholla ini menghadapi tantangan signifikan terkait kapasitas dan kondisi fisik yang tidak lagi memadai untuk menampung jumlah jamaah yang terus bertambah serta mendukung kegiatan keagamaan dan sosial komunitas secara optimal. Dengan menggunakan pendekatan kualitatif deskriptif, penelitian ini mengidentifikasi kebutuhan renovasi, menganalisis struktur biaya berdasarkan referensi proyek sejenis yang disesuaikan dengan skala dan kondisi terkini di tahun 2024, serta merumuskan strategi penggalangan dana yang komprehensif. Perkiraan biaya umum untuk renovasi ini diestimasikan sekitar Rp 4.041.055.000, yang mencakup pekerjaan struktural, finishing, serta fasilitas pendukung. Hasil penelitian ini diharapkan dapat menjadi panduan transparan bagi pengurus musholla dan masyarakat dalam menghimpun dana serta merealisasikan pembangunan Musholla Al Hidayah sebagai pusat ibadah yang nyaman dan multifungsi.
Pengaruh Variasi Geometri (L/B) Terhadap Respon Dinamis Pondasi Mesin Satiawan, Budi; Setiawan, Andika; Raswitaningrum, Tanjung Rahayu; Soerjatmodjo , Irnanda Satya
Konstruksia Vol 16 No 2 (2025): Jurnal Konstruksia Vol 16 No. 2 Tahun 2025
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jk.16.2.157-169

Abstract

Geometri dari pondasi mesin diketahui memiliki pengaruh yang sangat sensitif terhadap karakter dinamis pondasi mesin. Penelitian ini dilakukan untuk melihat bagaimana pengaruh variasi dari lebar pondasi (L) terhadap panjang pondasi (B) terhadap karakterisik dinamik pondasi mesin. Dari penelitian diperoleh dengan bertambahnya dimensi lebar pondasi (L), dimana L/B dari 0,6 menjadi 0.912 akan terjadi kenaikan frekuensi arah vertikal (fnz) hingga 8,76%, kenaikan frekuensi alami arah horizontal (fnx) sebesar 4,53%, penurunan total displacement arah vertikal hingga sebesar 38,77%, penurunan total displacement arah horizontal,X hingga 33,23% dan total displacement arah horizontal,Y hingga 74,87 %.
MULTIVARIATE ANALYSIS ON THE STUDY OF PORT FACILITIES DEVELOPMENT: PCA ANALYSIS FOR LOW CORRELATION DATASET Rachmad Irwanto; Budi Satiawan; Irnanda Satya Soerjatmodjo; Andika Setiawan
International Journal of Civil Engineering and Infrastructure Vol. 3 No. 2 (2023): IJCEI Volume 3 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.3.2.10-20

Abstract

Efforts to develop existing infrastructure facilities are highly regarded in order to keep up with capacity demand and upgrade changes in data trends. To obtain the best users’ interest in the facilities that aligns management development plan and schedule, a questionnaire is commonly conducted. Datasets acquired from questionnaire featuring satisfactory level such as Likert scale tends to be ordinal. Ordinality using standard Pearson correlation lean towards weak relationship. Traditional PCA, relying on Pearson correlation, may struggle to capture the nuanced relationships within such ordinal data, leading to a loss of valuable information. Through a comparative analysis of PCA results using both covariance matrix and conventional Pearson correlation, this paper demonstrates the efficacy of the proposed methodology in uncovering latent patterns and relationships within the questionnaire responses.
VEHICLE PARKING PERFORMANCE ANALYSIS OF MARKETS IN DUREN SAWIT SUBDISTRICT Irnanda Satya Soerjatmodjo; Andika Setiawan; Alfian Dwi Indrianto; Trijeti Trijeti; Tanjung Rahayu
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 2 (2025): IJCEI Volume 5 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.5.2.68-79

Abstract

Traditional markets are characterized by direct retail transactions between sellers and buyers, operating on either a temporary or permanent basis with specific service levels. Perumnas Klender Market represents one of the prominent traditional markets in Jakarta. High levels of commercial activity during peak hours frequently result in significant vehicle accumulation within the market's parking facilities. Consequently, parking management has become a critical factor in maintaining the functionality of traditional market infrastructure. This research aims to evaluate the parking characteristics and performance for motorcycles and private vehicles. Primary data were collected through field surveys and analyzed using the parking characteristic formulations established by the Directorate General of Land Transportation’s technical guidelines. The findings indicate that the current parking area is insufficient to accommodate the volume of vehicles, primarily due to limited space and irregular parking behavior among visitors. Analytical results show a parking index exceeding 100%, signifying that vehicle demand surpasses the available capacity. By implementing the proposed alternatives, the parking index can be effectively reduced to a more sustainable level.Keywords: Traditional Market, Parking Performance, Parking Index, Parking Characteristics, Parking Accumulation
THRESHOLD-BASED ANOMALY DETECTION IN DRY BULK CARGO VOLUME USING SIMULATED LSTM AUTOENCODER RECONSTRUCTION ERROR Irnanda Satya Soerjatmodjo; Dadang Supriyatno; Zidan Fadzil Abdat; Trijeti
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.5.1.49-60

Abstract

This study addresses the challenge of detecting anomalies in annual dry bulk cargo volumes at a major Indonesian port by simulating the reconstruction error typically produced by an LSTM Autoencoder model. Instead of applying deep learning directly, the research utilizes a statistical approximation involving a three-year centered moving average to emulate the expected cargo pattern. The absolute deviation between actual and smoothed values is treated as simulated reconstruction error. A statistical threshold is then calculated based on the mean and standard deviation of these errors to distinguish normal years from anomalous ones. Results indicate that only the year 2023 exceeded the anomaly threshold, suggesting significant irregularity in cargo flow during that period. The proposed method offers a practical and interpretable framework for anomaly detection, particularly in data environments lacking access to machine learning infrastructure. This approach enables port operators and planners to monitor unusual volume fluctuations efficiently and provides a foundation for further integration of data-driven risk management systems. Keywords: Dry Bulk Cargo, Anomaly Detection, Reconstruction Error, LSTM Autoencoder, Moving Average, Threshold Classification, Port Operations.
Co-Authors Al Kautsar, M. Gibran Al Kautsar, Muhammad Gibran Alfian Dwi Indrianto Andika Setiawan Andika Setiawan Andika Setiawan, Andika Basit Al Hanif Basit Al Hanif Bayu Aji Pangestu Budi Satiawan Dadang Supriyatno Eko Prasetyo, Harwidyo Hanif, Farhan Harwidyo Eko Prasetyo Heru Setiawan Himawan, Prasta Genie Maulana Yusuf Muhammad Haekal Kurnia Mustakim, Fahmi Noviandi Putra Darsono Noviandi Putra Darsono Nusantoro, Agung Pratama, Andreas Raya Rachmad Irwanto Satiawan, Budi Shinta Novriani Tanjung Rahayu Tanjung Rahayu Tanjung Rahayu Reswitaningrum Trijeti Wika Soviana Devi Yulia, Alya Zidan Fadzil Abdat