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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Teknik
Joice Elfrida Waani
Universitas Sam Ratulangi
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Pengaruh Pejalan Kaki Yang Menyeberang Jalan Pada Fasilitas Penyeberangan Zebra Cross Terhadap Panjang Antrian Kendaraan Sweetly Manopo; Semuel Yacob Recky Rompis; Joice Elfrida Waani
Jurnal Teknik Vol 20 No 1 (2022): Jurnal Teknik
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37031/jt.v20i1.223

Abstract

The increase number of vehicles is not the main factor causing congestion. There are other factors, such as the movement of pedestrians crossing the road using a zebra cross. This study aims to determine the effect of pedestrians crossing on vehicle queue lengths using shock wave analysis, and evaluate whether zebra cross facilities are still suitable for use or not at research site. This research was conducted for 4 days on Sam Ratulangi street in front of Multimart Ranotana Manado City. Data analysis uses traffic characteristics correlation of volume, speed and density. The characteristic correlation that will be used for the shock wave analysis calculation is based on the highest coefficient of determination (R2). The results of the study, based on shock wave analysis showed that pedestrians crossing could make a vehicle queue length of 33.5 meters for the left lane and 74.6 meters for the right lane. Based on the average number of pedestrians crossing the volume of vehicles and the number of conflicts that occur (PV2), it is recommended that the type of crossing facility is pelican with a protector. The greater duration of pedestrians crossing (r) then the maximum queue length of vehicles (Qm) will be greater.
Pengaruh Rasio Semen - Zeolit dan Jumlah Material Stabilisasi Terhadap Sifat Fisik dan Mekanik Tanah Ekspansif Joice Elfrida Waani; Mecky Richards Emanuel Manoppo; Agnes Tegla Mandagi
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 1 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i1.72460

Abstract

Expansive clays is one of the problematic soils which cause numerous problems in pavement engineering and construction such as on airports, highways and roads. Although cement is widely used commonly perceived as the most conventional materials used in treating expansive soils in geotechnical and geoenvironmental engineering applications, of treating expansive soils the increasing trend of cement production has resulted in considerable environmental issues like raising the greenhouse gas emission. The present investigation aims at documenting the effect of adding zeolite a natural pozzolans as a supplementary cementitious material - on the mechanical and physical behaviour of cement stabilized expansive soil mixture. Specifically the Influence of cement-zeolite ratio and level. Soil samples for testing consisted of two different mixtures, namely Clay Soil with 15% bentonite addition and Clay Soil without bentonite addition, each with five binder contents (5%, 7%,10%, 12%, 14%) and various cement to zeolite ratios (5:0; 7:0; 5:5; 7:3; 5:7; 7:5; 5:9; 7:7) were prepared for experimentation. Tests conducted on all soil mixture samples, namely Compaction Test, CBR and UCS revealed that the effectiveness of adding zeolite on the strength of expansive clay soil mixtures is at cement-zeolite percentages of 10%; 12% and 14%, at all cement-zeolite ratios.
Co-Authors Agnes Tegla Mandagi Mecky Richards Emanuel Manoppo Semuel Y. R. Rompis, Semuel Y. R. Sweetly Manopo