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STUDI KINERJA SIMPANG JALAN PAROS MAMUJU – KALUKKU – JALAN AKSES BANDARA TAMPA PADANG Imam, Imam Wardani; T, M. Nashir; Kasmaida, Kasmaida
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 1 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i1.5533

The significant growth in the number of vehicles in Mamuju Regency, West Sulawesi, along with the development of infrastructure such as Tampa Padang Airport and Belang-Belang Port, creates the potential for traffic congestion, especially at the intersection of Jl. Poros Mamuju-Kalukku-Jl. Tampa Padang Airport Access. This study aims to analyze the existing conditions and performance of traffic movements at the unsignalized intersection based on the Indonesian Road Capacity Guidelines (PKJI) 2023. The method used is a quantitative approach through a seven-day traffic survey during peak hours. Data collected included traffic volume, intersection geometry, and environmental conditions around the intersection. Analysis using the Indonesian Road Capacity Guidelines (PKJI) 2023 was conducted on the intersection capacity, and intersection performance. The results showed that the peak hour of vehicles occurred on Monday, May 19, 2025 at 07.00-08.00 a.m. The volume of vehicles was 1111 vehicles / hour or 612.6 smp / hour with a degree of saturation (Dj) 0.20, delay (T) 6.8, queue opportunities (Pa) 2-9%. And on Sunday May 25, 2025 at 10:00-11:00 am, the volume of vehicles was 638 vehicles / hour or 412 smp / hour with a degree of saturation (Dj) 0.14, delay (T) 5.9, queue opportunities (Pa) 1-6%. Performance assessment based on PKJI 2023 parameters provides an overview of the traffic service of the intersection in the level of service (LOS) B category, which means that the traffic flow conditions are good.

STUDI KINERJA SIMPANG JALAN PAROS MAMUJU – KALUKKU – JALAN AKSES BANDARA TAMPA PADANG Imam, Imam Wardani; T, M. Nashir; Kasmaida, Kasmaida
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 1 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i1.5533

The significant growth in the number of vehicles in Mamuju Regency, West Sulawesi, along with the development of infrastructure such as Tampa Padang Airport and Belang-Belang Port, creates the potential for traffic congestion, especially at the intersection of Jl. Poros Mamuju-Kalukku-Jl. Tampa Padang Airport Access. This study aims to analyze the existing conditions and performance of traffic movements at the unsignalized intersection based on the Indonesian Road Capacity Guidelines (PKJI) 2023. The method used is a quantitative approach through a seven-day traffic survey during peak hours. Data collected included traffic volume, intersection geometry, and environmental conditions around the intersection. Analysis using the Indonesian Road Capacity Guidelines (PKJI) 2023 was conducted on the intersection capacity, and intersection performance. The results showed that the peak hour of vehicles occurred on Monday, May 19, 2025 at 07.00-08.00 a.m. The volume of vehicles was 1111 vehicles / hour or 612.6 smp / hour with a degree of saturation (Dj) 0.20, delay (T) 6.8, queue opportunities (Pa) 2-9%. And on Sunday May 25, 2025 at 10:00-11:00 am, the volume of vehicles was 638 vehicles / hour or 412 smp / hour with a degree of saturation (Dj) 0.14, delay (T) 5.9, queue opportunities (Pa) 1-6%. Performance assessment based on PKJI 2023 parameters provides an overview of the traffic service of the intersection in the level of service (LOS) B category, which means that the traffic flow conditions are good.

Evaluasi Kinerja Simpang Tak Bersinyal Menggunakan Metode PKJI (Studi Kasus Jalan Jenderal Ahmad Yani, Jalan Abu Bakar Lambogo dan Jalan Bukit Madani Kota Parepare) Dandi Setiadi; Hamka Hamka; Kasmaida Kasmaida
Journal of Innovative and Creativity Vol. 5 No. 3 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i3.3449

Persimpangan merupakan bagian penting dari sistem jaringan jalan yang memerlukan pengaturan khusus untuk mengoptimalkan pergerakan dan meminimalkan konflik lalu lintas. Tujuan dari penelitian ini untuk mengetahui kinerja arus lalu lintas pada jalan mayor (Jalan Jend Ahmad Yani) dan jalan minor (Jalan Abu bakar lambogo dan Jalan Bukit Madani) dan mengetahui dampak arus lalu lintas terhadap tingkat pelayanan simpang jalan mayor dan jalan minor kota Parepare. Jenis penelitian yang digunakan adalah penelitian deskriptif kuantitatif. Dari hasil penelitian menunjukkan bahwa kinerja arus lalu lintas di hari kerja (Selasa) pada jalan mayor dan jalan minor memiliki volume kendaraan jam puncak sebesar 4.691 kend/jam pada pukul 08.00-09.00 WITA. Adapun nilai kapasitas (C) yang dihasilkan yaitu 3180,435 smp/jam dengan nilai derajat kejenuhan (DJ) sebesar 0,61, Sedangkan tundaan (T) yang dihasilkan selama 10,75 det/smp dengan peluang antrian (Pa) sebesar 0,19 sampai 33%. Sedangkan pada hari libur (Sabtu) jumlah kendaraan pada jam puncaknya sebesar 3.547 kend/jam pada pukul 16.00-17.00 WITA dengan nilai kapasitas (C) sebesar 3181,988 smp/jam dan derajat kejenuhan (DJ) 0,50, dengan begitu tundaan (T) yang dihasilkan selama 9,68 det/smp dengan peluang antrian (Pa) sebesar 0,65 sampai 24 %. Dampak arus lalu lintas terhadap tingkat pelayanan simpang berdasarkan tabel level of service pada jalan mayor dan jalan minor didapatkan hasil bahwa simpang tersebut berada dalam simpang dengan kategori baik dengan tingkat pelayanan B.

Analisis Durabilitas Bata Ringan Berbasis Fly Ash Sebagai Material Konstruksi Ramah Lingkungan Zidan Rafsanjani; Hamsyah Hamsyah; Kasmaida Kasmaida; Jasman Jasman; Hendro Widarto
Journal of Innovative and Creativity Vol. 5 No. 3 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i3.3466

Latar belakang penelitian ini didasari oleh kebutuhan untuk mengurangi dampak lingkungan akibat produksi semen, yang menghasilkan emisi karbon dioksida (CO₂) tinggi, dengan memanfaatkan fly ash untuk menggantikan sebagian penggunaan semen. Tujuan dari penelitian ini untuk menganalisis durabilitas bata ringan berbasis fly ash sebagai material konstruksi ramah lingkungan. Jernis pernerlitian yang digurnakan pada pernerlitian ini adalah erksperrimern kurantitatif dengan menentukan komposisi terbaik dari campuran bata ringan dengan tambahan fly ash yang di lakukan penelitian di labolatorium program studi teknik sipil dengan menggunakan variasi campuran fly ash pada bata ringan (CLC). Pengujian meliputi daya serap air, kuat tekan, dan keausan setelah masa umur 28 hari. Temuan penelitian ini menunjukkan bahwa penambahan fly ash 0%, 5%, 10%, 15% menghasilkan persentase optimal yang mampu menurunkan daya serap air sebesar 8,60% sehingga lebih tahan terhadap kelembapan air dan meningkatkan kuat tekan sebesar 5,33 MPa. Selain itu, keausan bata ringan cenderung menurun seiring bertambahnya kadar fly ash, hal ini ditunjukkan pada peningkatan ketahanan aus sebesar 7,60%. Variasi campuran dengan persentase fly ash tertentu terbukti memberikan performa terbaik, sehingga limbah industri ini berpotensi dimanfaatkan sebagai material konstruksi yang lebih ramah lingkungan dan mendorong pertumbuhan pembangunan yang berkelanjutan.

Impact of Road Gradient on Fuel Consumption, Fuel Rate and CO₂ Emissions of Freight Transport Abdul, Rahman; Hakzah, Hakzah; Andriyani, Andriyani; Jasman, Jasman; Kasmaida, Kasmaida
ASTONJADRO Vol. 15 No. 1 (2026): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v15i1.21234

This study investigates the impact of road gradient on fuel consumption, fuel rate (FR), and CO₂ emissions in freight transport vehicles with two-axle and three-axle configurations. The research was conducted on a 250-meter road segment with a 0.067 rad (~7%) gradient in front of Taman Rekreasi Datae, Sidenreng Rappang Regency, South Sulawesi, Indonesia. A quantitative mathematical model, based on vehicle technical parameters and empirical formulations from previous studies, was applied. Results show that increasing the gradient from 0 to 0.067 rad raised fuel consumption in two-axle trucks from 0.0356 L to 0.0857 L and in three-axle trucks from 0.1463 L to 0.3269 L. The FR for two-axle trucks increased from 0.0014 L/s to 0.0056 L/s, while for three-axle trucks it rose from 0.0033 L/s to 0.0124 L/s. CO₂ emissions from two-axle trucks increased from 0.0958 kg to 0.3941 kg, and from 0.2310 kg to 0.8807 kg for three-axle trucks. The relative increase was higher for two-axle trucks (311%) than for three-axle trucks (281%), due to axle load distribution, engine capacity, and transmission ratio. These findings highlight the need to consider vehicle configuration and topography in route planning to minimize fuel consumption and emissions in hilly regions.

Pengaruh Substitusi Serbuk Cangkang Pala dan Plasticizer terhadap Kuat Tekan Beton Normal M. Ichwal; Jasman Jasman; Kasmaida Kasmaida; Muh. Jabir Muhammadiyah; Adnan Adnan
Venus: Jurnal Publikasi Rumpun Ilmu Teknik Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1623

The use of nutmeg shell biochar as a partial cement substitution is a strategic step in utilizing agricultural waste to create environmentally friendly concrete and reduce carbon emissions. This research employed an experimental method using 36 cylindrical test specimens measuring 15 x 30 cm. The mixture variations tested included normal concrete (0%) and the addition of nutmeg shell biochar at 2.5%, 5%, and 7.5% as a partial replacement for cement. The tests conducted covered slump tests and concrete compressive strength at 7, 14, and 28 days of age. The test results showed that the slump value increased from 80 mm in normal concrete to 84 mm, 87.67 mm, and 96.67 mm as the percentage of biochar increased, indicating an improvement in concrete workability. At 28 days of age, normal concrete yielded the highest compressive strength of 23.97 MPa, while the 2.5%, 5%, and 7.5% biochar variations produced compressive strengths of 17.17 MPa, 17.55 MPa, and 16.32 MPa, respectively. The 5% variation was identified as the optimum substitution because it provided the highest compressive strength among the biochar variations, reaching 73.22% of the normal concrete compressive strength. Overall, nutmeg shell biochar demonstrates significant potential as a partial cement substitution material to support sustainable and eco-friendly concrete construction.

Evaluasi Kecelakaan terhadap Geometrik Jalan pada Ruas Jalan Jend. Sudirman Kecamatan Maiwa Kabupaten Enrekang Hasrullah Hasrullah; Jasman Jasman; Imam Fadly; Andriyani Andriyani; Kasmaida Kasmaida
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 3 (2026): Agustus : Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i3.1646

Enrekang is a regency in South Sulawesi Province. This study focuses on a section of the Sidrap-Enrekang Highway that features a curve prone to traffic accidents—marked by warning signs near the Maiwa Sector Police Station—connecting Enrekang City to Tana Toraja. The study aims to evaluate the road's geometry in relation to accident risks to ensure comfortable passage for road users. The methodology involved site surveys, data collection, and data processing to derive a relevant analysis. The findings indicate a Spiral-Circle-Spiral (SCS) curve configuration, with an existing vehicle speed (V) of 38 km/h and a superelevation of 2.85%. Based on the 1997 Bina Marga standards for flat terrain, the existing speed of 38 km/h falls below the applicable standard range of 70–120 km/h, and the superelevation of 2.85% is well below the 10% maximum; thus, the existing speed and superelevation comply with the 1997 Bina Marga standards (specifically the *Procedures for Inter-City Road Geometric Design*). Consequently, it is concluded that road geometry is not the factor contributing to the accident-prone nature of the Enrekang Highway.

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