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Jurnal Ilmiah Rekayasa Sipil
Published by Politeknik Negeri Padang
ISSN : 18583695     EISSN : 26552124     DOI : https://doi.org/10.30630/jirs.v21i2
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Ilmiah Rekayasa Sipil is intended as a medium for scientific studies of research results, thoughts and critical-analytical studies regarding research in the Field of Civil Engineering Science. As part of the spirit of disseminating knowledge resulting from research and thinking for wider community service and as a reference source for academics in the field of Civil Engineering. Jurnal Ilmiah Rekayasa Sipil accepts scientific articles with the scope of research on: Structural Engineering Construction Materials Geotechnical Engineering Environmental Engineering Water Resources Engineering Transportation Planning and Management Road Design and Pavement Bridge Structure Construction Management Earthquake and Tsunami Other relevant study topics With articles that have primary citations and have never been published online or in print before.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 13 Documents
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Search results for , issue "Vol 20 No 2 (2023): Oktober 2023" : 13 Documents clear
Analisis Spasial Kenaikan Tinggi Permukaan Air Batang Sumani Menggunakan Model Permukaan Digital Alfansyuri, Era; Agus, Indra
Jurnal Ilmiah Rekayasa Sipil Vol 20 No 2 (2023): Oktober 2023
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v20i2.1182

Abstract

The occurrence of flooding in the Batang Sumani area of ​​Solok Regency is caused by several things, including the low slope of the river, the river cross-section which is not wide enough, the topography of the plains, heavy bends along the river and silting due to sedimentation and the vulnerability to flood hazards which is quite high in the watershed area. The influence of the topography of the plains causes inundation on land managed and used by the community. In accordance with technological developments in digital mapping of the earth's surface, the earth's surface can be presented in the form of a three-dimensional map called a Digital Elevation Model (DEM). This DEM is used as a model, analysis and representation of conditions related to the earth's surface. The use of DEM in the process of analyzing inundation caused by surface runoff will help in identifying the coverage of inundation areas and water catchment areas. By using the Simulate water level rise / flooding analysis from the Global Mapper application it is possible to simulate water level rise / flooding which makes it possible to simulate the coverage or spread of water/flooding by increasing the water level to a certain depth and spatial analysis using the Geographic Information System can see the influence of the inundation area on land use managed by the community around the inundation area. So that the location and coverage of the inundation on land use can be obtained. Most of the inundation areas are in garden areas at 37.56%, rice fields at 23.83%, fields at 24.03% and residential areas at 13.67%. There was a significant increase in the water level rise of 2 meters.
Kinerja Batu Kapur Terhadap Nilai Califonia Bearing Ratio (CBR) Lapis Pondasi Perkerasan Jalan Suardi, Enita; Lusyana, Lusyana; Mukhlis, Mukhlis; Fauzan, Muhammad; Zain, Kamilia
Jurnal Ilmiah Rekayasa Sipil Vol 20 No 2 (2023): Oktober 2023
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v20i2.1198

Abstract

Flexible Pavement is one of the road pavement constructions. In order for the flexible pavement to have adequate carrying capacity and durability to carry the load acting on it, the pavement is made in layers. The top layer is called the surface layer and below it is an aggregate foundation layer which is placed on top of the compacted subgrade. The material used as an aggregate foundation layer usually consists of crushed stone. However, seeing the abundance of limestone in Bukit Karang Putih, Indarung is expected not only to be used cement manufacture, but can be used as a substitute for the aggregate foundation layer. This research was conducted on the aggregate foundation layer of class A and the aggregate foundation layer of class B. Variations of mixture with limestone substitution in the aggregate foundation layer of class A and class B aggregate are 0%, 10% and 20%. The tests carried out include abrasion, compaction and CBR. The lowest abrasion test results for grade A aggregate foundation layer is 30.69%, while for grade B aggregate foundation layer is 31.79%. The results of the CBR test for class A aggregate foundation layers obtained the highest value for 10% limestone substitution, which is 75%, as well as for class B aggregate foundation layers, the highest value for 10% limestone substitution was 61%. The results of the CBR test that meet the requirements are found in the class B aggregate foundation layer, which is at least 60%.
Analisis Kecelakaan Lalu Lintas Ruas Jalan Padang - Solok dengan Metode Accident Rate Wahab, Wilton; Roza, Angelalia; Ramadhani, Markis Febi; Yusnita, Yessy
Jurnal Ilmiah Rekayasa Sipil Vol 20 No 2 (2023): Oktober 2023
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v20i2.1216

Abstract

The Padang-Solok road section is one of the national road sections that frequently experiences accidents every year. The aim of this research is to determine the factors that cause accidents on the Jalan Lubuk Paraku Sitinjau Lauik section based on the accident rate, and find out alternative prevention solutions future traffic accidents. This type of research is descriptive research using the Accident Rate method. The factors reviewed are the total number of accidents that occur and the length of the road section studied. An Accident Rate value > 1.0 will be classified as a Black Spot, while a value < 1.0 will be classified as a Black Site. The results of the accident analysis based on the Accident Rate can be identified in three road sections that show a high accident rate, namely more than 1.0. The highest accident rate was on the Panorama 2 – Padang-Solok City Limits road section at 2.37 accidents/km.year. The most dominant factor causing traffic accidents is the human factor. After an inspection was carried out, the brakes failed due to the large number of descents or steep inclines which made the car brakes not function properly. An alternative solution for preventing accidents is to create a temporary stopping place at the Padang - Solok city limits to cool down the engine and car brakes, repair traffic signs that are not yet permanent and create a special brake rescue lane for broken brakes at Panorama 2 and near the rice fields PU Mes.

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