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All Journal Journal of Infrastructure and Civil Engineering Jurnal Ilmiah Teknik Sipil Open Access DRIVERset
Slamet Widodo
Tanjungpura University
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology Transportation

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EFFECT OF ASPHALT CONTENT ON THE SURFACE TEXTURE OF ASPHALT CONCRETE-WEARING COURSE (AC-WC) MIXTURE Meutia Regita Cahyani; Eti Sulandari; Slamet Widodo
Jurnal Ilmiah Teknik Sipil Vol. 29 No. 2 (2025): Jurnal Ilmiah Teknik Sipil, Vol. 29 No. 2, September 2025
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2025.V29.i02.p04

Abstract

Road preservation is carried out as an effort to improve road quality, evaluated through surface roughness levels, considering that adequate road texture is a crucial factor in ensuring rider safety and comfort. This study aims to analyze the relationship between variations in asphalt content and the Mean Texture Depth (MTD) value in asphalt mixtures. Surface roughness measurements obtained through the Sand Patch Method are expressed as MTD values representing average texture depth. Results for asphalt contents of 5%, 5.5%, 6%, 6.5%, and 7% yielded MTD values of 0.59 mm, 0.54 mm, 0.48 mm, 0.36 mm, and 0.26 mm for the upper side; 0.45 mm, 0.48 mm, 0.41 mm, 0.32 mm, and 0.24 mm for the lower side; and 0.52 mm, 0.51 mm, 0.45 mm, 0.34 mm, and 0.25 mm for the combined upper-lower sides. The relationship between MTD and asphalt content was analyzed using linear regression with the coefficient of determination (R²) as the evaluation parameter. Asphalt content influenced texture depth by 66.34% (upper side), 47.3% (lower side), and 53.73% (combined sides). The Voids Filled with Bitumen (VFB) parameter significantly contributed to MTD variation, with influence levels of 41.3% (upper), 46.07% (lower), and 43.13% (combined). The analysis demonstrates that lower asphalt content produces rougher asphalt mixture surface textures. AC-WC mixture testing confirms that asphalt content affects MTD values.
EFFECT OF ASPHALT CONTENT ON THE SURFACE TEXTURE OF ASPHALT CONCRETE-WEARING COURSE (AC-WC) MIXTURE Meutia Regita Cahyani; Eti Sulandari; Slamet Widodo
Jurnal Ilmiah Teknik Sipil Vol. 29 No. 2 (2025): Jurnal Ilmiah Teknik Sipil, Vol. 29 No. 2, September 2025
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2025.V29.i02.p04

Abstract

Road preservation is carried out as an effort to improve road quality, evaluated through surface roughness levels, considering that adequate road texture is a crucial factor in ensuring rider safety and comfort. This study aims to analyze the relationship between variations in asphalt content and the Mean Texture Depth (MTD) value in asphalt mixtures. Surface roughness measurements obtained through the Sand Patch Method are expressed as MTD values representing average texture depth. Results for asphalt contents of 5%, 5.5%, 6%, 6.5%, and 7% yielded MTD values of 0.59 mm, 0.54 mm, 0.48 mm, 0.36 mm, and 0.26 mm for the upper side; 0.45 mm, 0.48 mm, 0.41 mm, 0.32 mm, and 0.24 mm for the lower side; and 0.52 mm, 0.51 mm, 0.45 mm, 0.34 mm, and 0.25 mm for the combined upper-lower sides. The relationship between MTD and asphalt content was analyzed using linear regression with the coefficient of determination (R²) as the evaluation parameter. Asphalt content influenced texture depth by 66.34% (upper side), 47.3% (lower side), and 53.73% (combined sides). The Voids Filled with Bitumen (VFB) parameter significantly contributed to MTD variation, with influence levels of 41.3% (upper), 46.07% (lower), and 43.13% (combined). The analysis demonstrates that lower asphalt content produces rougher asphalt mixture surface textures. AC-WC mixture testing confirms that asphalt content affects MTD values.
Analisis Pengaruh Hambatan Samping Terhadap Kinerja Lalu Lintas Ruas Jalan Sultan Abdurrahman Kota Pontianak Faris Furqan; Siti Mayuni; Slamet Widodo
Journal of Infrastructure and Civil Engineering Vol. 6 No. 2 (2026)
Publisher : Program Studi Teknik Sipil Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/jice.v6i2.210

Abstract

Kota Pontianak merupakan pusat pemerintahan, pendidikan, perdagangan, dan berbagai aktivitas sosial di Provinsi Kalimantan Barat yang menyebabkan mobilitas lalu lintas terus meningkat. Salah satu ruas jalan yang berperan penting dalam mendukung pergerakan tersebut adalah Jalan Sultan Abdurrahman. Beragam aktivitas di sepanjang koridor jalan, seperti kendaraan berhenti atau parkir di tepi jalan, pergerakan pejalan kaki, serta kendaraan yang keluar dan masuk dari akses bangunan, menimbulkan hambatan samping yang dapat memengaruhi kelancaran arus lalu lintas. Penelitian ini bertujuan mengevaluasi pengaruh hambatan samping terhadap kinerja lalu lintas pada ruas Jalan Sultan Abdurrahman berdasarkan Pedoman Kapasitas Jalan Indonesia (PKJI) 2023 untuk jalan perkotaan. Pengumpulan data dilakukan melalui survei lapangan selama tujuh hari berturut-turut, yaitu pada 3–9 Juni 2024, dengan pengamatan pada tiga periode jam sibuk, yakni pukul 06.00–08.00 WIB, 11.00–13.00 WIB, dan 16.00–18.00 WIB. Hasil analisis menunjukkan bahwa volume lalu lintas maksimum mencapai 4.359,3 smp/jam, sedangkan kecepatan arus bebas tertinggi sebesar 57,34 km/jam. Nilai derajat kejenuhan sebesar 1,35 menunjukkan bahwa volume lalu lintas telah melampaui kapasitas pelayanan jalan, sehingga arus kendaraan menjadi tidak stabil dan kemacetan cenderung terjadi pada periode jam puncak. Temuan ini menunjukkan bahwa hambatan samping memberikan pengaruh yang signifikan terhadap penurunan kinerja lalu lintas pada ruas Jalan Sultan Abdurrahman.
Co-Authors Eti Sulandari Faris Furqan Meutia Regita Cahyani Siti Mayuni