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PERBANDINGAN KARAKTERISTIK MARSHALL PADA CAMPURAN ASPAL PANAS LAPIS BETON LAPIS ANTARA MENGGUNAKAN AGREGAT UKURAN 25 mm DAN AGREGAT UKURAN 19 mm Milo, Maria Krisanti Ivoni Milo; Kalogo, Egidius; Bela, Krisantos Ria
Eternitas: Jurnal Teknik Sipil Vol 3 No 1 (2023): ETERNITAS JURNAL TEKNIK SIPIL UNWIRA
Publisher : Program Studi Teknik Sipil Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/eternitas.v3i1.3180

Abstract

The hot mix asphalt-aggregate mixture in the construction of asphalt concrete roads generally consists of three layers: the base layer, intermediate layer, and surface layer placed on a granular subbase. One of the asphalt concrete layers is the Intermediate Layer, which is a hot asphalt mixture consisting of aggregate, asphalt material, and filler mixed at a central mixing plant. The resulting mixture is spread and compacted on the Aggregate Base Layer. The hot asphalt mixture is designed according to the General Specifications for Road and Bridge Construction by the Directorate General of Highways in 2018 (Revision 3) to ensure that the design assumptions regarding Asphalt Content, Air Voids, Stability, Flexibility, and Durability are in line with the planned traffic. Research results indicate differences in Marshall characteristics from Marshall test results for the Intermediate Layer asphalt concrete mixture (AC-BC) of the two compositions. Almost all Marshall properties meet the Directorate General of Highways specifications in 2018 Revision 3, except for Flow with a particle size of 19 mm, which does not meet the specified flow range of 2 – 4 mm, and Marshall Stability for Aggregate Residue with a particle size of 19 mm, which does not meet the specified minimum of 90%. Meanwhile, the Optimum Asphalt Content (OAC) values for Aggregate with a particle size of 25 mm are 5.11%, and for Aggregate with a particle size of 19 mm, it is 5.18%.
PROBABILITAS BANGKITAN PERJALANAN BERBASIS AKTIVITAS DARI KAWASAN PERUMAHAN DI KOTA KUPANG Semiun, Oktovianus Edvict; Kalogo, Egidius
Teras Jurnal : Jurnal Teknik Sipil Vol. 10 No. 2 (2020): Volume 10 Nomor 2 September 2020
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v10i2.292

Abstract

Generally, trip generation is based on activities from the household. Each household member, of course, has different travel destinations in a household, there will be several trips that are caused by the activity. This study is aimed at determining the factors that influence the trip generation and predict the magnitude of trip generation originating from residential areas based on activities in Kupang city. Travel activities were divided into three categories i.e. work activities, school activities and other activities. Data collection was done by distributing questionnaires to 444 households through random sampling technique. Based on the calibration of the modelling results with multinomial logit regression analysis, the factors that significantly influence trip generation from residential areas were the number of family members who did activities, the average distance travelled and the average travel time. The probability of trip generation was predicted to be 55.48% for work activities, 25.61% for school activities and 18.90% for other activities.