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MEDIA KOMUNIKASI TEKNIK SIPIL
Published by Universitas Diponegoro
ISSN : 08541809     EISSN : 25496778     DOI : -
Core Subject : Engineering,
Media Komunikasi Teknik Sipil (ISSN 0854-1809) published twice in a year, in July and December. The article can be product of researches, scientific thoughts or case study, in civil engineering and isn’t formed by politics, commercialism, and subjectivity unsure. This scientific journal contains articles of thought and research results in Civil Engineering that have never been published in scientific journals or other media.
Arjuna Subject : -
Articles 472 Documents
Evaluasi Kinerja Strategi Sinyal Prioritas Bus pada Sistem Bus Rapid Transit Budi Yulianto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.78174

Abstract

Population growth and rapid urbanization have increased transportation demand and triggered traffic problems. Capacity-based approaches often exacerbate these conditions, highlighting the need for a sustainable transportation concept. The government has designated the development of public transportation as a national priority program, one of which is through bus rapid transit (BRT). To ensure the efficiency, reliability, and attractiveness of BRT, the implementation of bus signal priority (BSP) is essential. This study aims to evaluate the performance of passive and active BSP strategies at signalized intersections within a BRT system using VISSIM microscopic simulation. The strategies analyzed include cycle time adjustment, phase splitting, red truncation, green extension, and phase insertion. The simulation results indicate that the most effective strategies are cycle time adjustment with the early cut off concept for passive BSP and phase insertion for active BSP. The performance of BSP strategies is influenced by the number of phases, traffic movement patterns, and bus service frequency, which vary according to the applied strategy. This study recommends selecting BSP strategies through comprehensive simulation study to achieve both effective performance and cost efficiency before implementation.
Kinerja Model Kotak Infiltrasi Pada Kondisi Tanah Jenuh dan Tidak Jenuh untuk Mengurangi Genangan di Jalan Perkotaan Awliya Tribhuwana; Slamet Imam Wahyudi; Moh Faiqun Ni'am; Henny Pratiwi Adi
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.70837

Abstract

Flooding on road surfaces due to heavy rainfall is a major problem, especially in urban areas. This situation requires an infiltration-based control system in accordance with the Low Impact Development (LID) concept. The infiltration box model is one solution to reduce inundation around road medians. This study aims to realize the infiltration box model, analyze the flow behavior of the model in the road median, and compare the model's performance under saturated and unsaturated soil conditions. The research method was carried out experimentally using flow in a laboratory flume channel. Based on the road area and return rainfall for a 2-year period, a discharge model of 0.109 l/s was used. The parameters analyzed included runoff discharge, infiltration discharge, and the volume of the box reservoir. The results showed that under saturated soil conditions, runoff reached 74.69% of the rainfall discharge, while infiltration and reservoir were only 11.20% and 5.89%, respectively. Under unsaturated soil conditions, runoff decreased to 46.65%, while infiltration increased to 30.43% and the box reservoir to 12.78%. Infiltration discharge in unsaturated soil was recorded at approximately 2.7 times greater than in saturated soil. These results demonstrate the influence of soil water content on the infiltration box performance model. Infiltration boxes should be integrated with other road drainage systems, including water pipes running under the road to the roadside drains.

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