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All Journal Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil BANGUN REKAPRIMA Jurnal Riset Rekayasa Sipil
Rendy Dwi Pangesti
Politeknik Negeri Semarang
Humanities Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Engineering Environmental Science Transportation Other

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STUDI KOMPARATIF PENGUKURAN KEKASARAN JALAN (INTERNATIONAL ROUGHNESS INDEX/IRI) MENGGUNAKAN KENDARAAN RODA DUA DAN RODA EMPAT Rendy Dwi Pangesti; Delila Jelita Ayu; Belifa Rahma Putri
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 31 No. 1 (2026): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v31i1.7483

Abstract

Uneven road surface conditions affect the comfort and performance of transportation services, requiring objective measurements using the International Roughness Index (IRI). The development of smartphone-based applications allows IRI measurements to be carried out with various vehicles, but the influence of vehicle type on measurement results remains understudied. This study aims to compare the IRI values generated by two-wheeled and four-wheeled vehicles on the same road section and identify the level of difference. The study used a field survey method on road sections in Tembalang District, Semarang City. Measurements were conducted using the RoadLab Pro application installed on a smartphone. The data were then analyzed descriptively and tested using a paired t-test at a significance level of 5%. The results showed an average IRI of two-wheeled vehicles of 3,237 m/km and four-wheeled vehicles of 4,253 m/km. The statistical test produced a p value <0.05, indicating a significant difference. However, a correlation of 0.668 indicates a consistent pattern of change between road sections. This study confirms that vehicle type influences IRI values and requires adjustments to ensure consistent comparison of measurement results.
PENERAPAN SISTEM BASIS DATA DALAM PENGELOLAAN ANGGARAN PEMELIHARAAN JALAN DI KOTA SEMARANG: PENERAPAN SISTEM BASIS DATA DALAM PENGELOLAAN ANGGARAN PEMELIHARAAN JALAN DI KOTA SEMARANG Rendy Dwi Pangesti; Dianita Ratna Kusumastuti; Baiq Heny Sulistiawati; Rifqi Aulia Abdillah; Delila Jelita Ayu; Belifa Rahma Putri
Bangun Rekaprima Vol. 11 No. 2 (2025): Oktober 2025
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v11i2.7382

Abstract

Improperly managed road conditions have led to increased maintenance costs and a decline in transportation service quality in Semarang City. Inefficiencies in road maintenance budget managementee often occur due to limited data availability and the lack of an integrated system. This study aims to implement a database system for managing road maintenance budgets using the Provincial Kabupaten Road Management System (PKRMS) developed with Microsoft Access. The research methodology involves the collection of primary data through field surveys and road condition inventories, as well as secondary data obtained from relevant government agencies. The collected data were processed within the PKRMS framework to generate cost estimates for maintenance activities categorized as routine maintenance, periodic maintenance, rehabilitation, and road widening. The analysis results show that road segments with severe damage require the highest budget allocation, particularly for rehabilitation work, whereas roads in good condition only require routine maintenance with relatively lower costs. The implementation of this database system has proven effective in improving efficiency, accuracy, and transparency in the planning and decision-making process for road maintenance budget allocation in Semarang City.
DISTRIBUSI RUANG TERBUKA HIJAU (RTH) DI LINGKUNGAN POLITEKNIK NEGERI SEMARANG, KOTA SEMARANG: DISTRIBUSI RUANG TERBUKA HIJAU (RTH) DI LINGKUNGAN POLITEKNIK NEGERI SEMARANG, KOTA SEMARANG Rendy Dwi Pangesti; Baiq Heny Sulistiawati; Garup Lambang Goro; Junaidi; Salmaa R.N. Imansyah; Akhmad Daffa’ A.U.
Bangun Rekaprima Vol. 12 No. 1 (2026): April 2026
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v12i1.7610

Abstract

Ruang Terbuka Hijau (RTH) plays an important role in maintaining environmental quality and enhancing comfort within educational areas; therefore, an evaluation of existing conditions and optimization strategies is required at Politeknik Negeri Semarang. This study aims to map and analyze the area and spatial distribution of RTH using field surveys and data processing based on Geographic Information Systems (GIS). The results show that the total area of Politeknik Negeri Semarang is 111,251 m², with RTH covering 19,086.1 m² or 17.16% of the total area. Although this proportion meets the minimum requirement for private green open space, it remains below the ideal standard of 30%. The uneven distribution of RTH and variations in vegetation quality indicate the need for optimization through the utilization of potential land and improvement of green space quality. This study concludes that RTH is an effective decision-support tool for sustainable planning and management of green open space.
PEMETAAN KONDISI JALAN BERDASARKAN IRI ROADROID DI KABUPATEN GRESIK WILAYAH SELATAN Roselina Rahmawati; Rendy Dwi Pangesti; Rifqi Aulia Abdillah
Jurnal Riset Rekayasa Sipil Vol 4, No 2 (2021): Maret 2021
Publisher : Prodi Teknik Sipil Fakultas Teknik Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (646.292 KB) | DOI: 10.20961/jrrs.v4i2.44230

Abstract

Pelaksanaaan evaluasi dan pemeliharaan jalan merupakan salah satu kegiatan yang penting degan tujuan menjaga kondisi jalan tetap terjaga sesuai dengan umur rencana. Perencanaan yang didasarkan pada data yang baik perlu dilaksanakan dalam rangka peningkatan pelayanan jalan. Pemerintah Kabupaten Gresik memiliki program salah satunya adalah meningkatkan kualitas penyelenggaraan jaringan jalan, untuk mendukung rencana tersebut maka diperlukan studi pengembangan jalan daerah, dalam mendukung terwujudnya pengembangan wilayah dan konektivitas jaringan jalan daerah. Penggunaan alat IRI Roadroid merupakan salah satu alat penilaian jalan, dimana alat tersebut tergolong alat yang sederhana dan relatif murah. Penelitian ini bertujuan menilai kondisi jalan Kabupaten Gresik Wilayah Selatan menggunakan IRI Roadroid, kemudian di ekspor ke dalam peta dengan menggunakan aplikasi GIS. Penggunaan alat IRI Roadroid dalam hasil survey didapatkan hasil yang menyatakan bahwa beberapa ruas tinjauan yang memiliki kondisi kerusakan jalan rusak ringan sampai berat, sehingga diperlukan penanganan pemeliharaan jalan yang serius. Rata-rata dari ruas jalan memperoleh nilai e-IRI 5,20, berdasarkan Pemen PU No. 13/PRT/M/2011 maka kondisi ruas jalan tinjauan dikategorikan sedang. Hasil analisis data eIRI tersebut dimasukkan kedalam  pemetaan GIS dengan bantuan program QGIS 2.8.1 didapatkan gambaran nilai eIRI dalam bentu peta Roadroid. Peta tersebut untuk memudahkan untuk mengetahui jenis dan lokasi kerusakan jalan yang terjadi di ruas jalan tinjauan.
Co-Authors Akhmad Daffa’ A.U. Baiq Heny Sulistiawati Belifa Rahma Putri Delila Jelita Ayu Dianita Ratna Kusumastuti Garup Lambang Goro Junaidi Rifqi Aulia Abdillah Rifqi Aulia Abdillah Roselina Rahmawati Salmaa R.N. Imansyah