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Journal : Teras Jurnal

Evaluasi Tatakelola Pembangunan Jembatan Wae Racang Di Kabupaten Manggarai Provinsi NTT Gon, Kasmir
Teras Jurnal : Jurnal Teknik Sipil Vol. 14 No. 1 (2024): Volume 14 Nomor 1, Maret 2024
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v14i1.1002

Abstract

The Wae Racang Bridge is a node for Road Sections: Golowoi-Meda, Beo Kina-Pau-Wae Racang and Muwur-Bapa-Wae Racang. The bridge was built on the Wae Racang River which is the boundary between West Cibal District and North Rahong, which was built in 2014 and hasnt been used at all by infrastructure users until April 2023. This study aims to find out the causes of the unutilized bridge based on public perceptions and to evaluate the management of regional infrastructure. The research was carried out in several stages, including review of related journal articles, observation of research locations, observations of the PUPR Office as the organizer of the work, surveys of community perceptions, simple statistical data processing to find out the dominant response, discussion, and conclusions. Of the 43 respondents, the dominant response stated that the budget planning wasnt based on a feasibility study on economic feasibility studies, resulting in the Wae Racang Bridge being built not bringing economic benefits to the community, so that the development budget became redundant which describes the performance and management of local regional administrations in the matter of transportation infrastructure development still needs to be improved because it doesnt consider sustainability aspects at all. bridge construction.
Evaluasi Kelayakan Material Gunung Terhadap Sifat Fisik dan Mekanis Pada Perkerasan Lentur Jalan Raya di Kabupaten Manggarai Timur Gon, Kasmir; Caling, Claudius Lippershey Bright; Rusdi, Erdianto
Teras Jurnal : Jurnal Teknik Sipil Vol. 14 No. 2 (2024): Volume 14 Nomor 2, September 2024
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v14i2.1136

Abstract

Abstrak Penelitian ini bertujuan mengevaluasi kelayakan material gunung quary Bondo sebagai timbunan pilihan, agregat kelas A dan agregat kelas B perkerasan lentur jalan raya. Hasil uji laboratorium menunjukkan bahwa jenis tanahnya memiliki batas cair 22%, indeks plastisitas 5%, lolos saringan Nomor 200 5,32% sampai 5,54%, Cu rata-rata 92,68 > 4, Cc rata-rata 5,17 > 3; Berdasarkan USCS dikategorikan sebagai GP-GM atau ML (low plasticity silt), kelompok A-1-a (0) menurut AASHTO. Nilai aktif sebesar 0,90 < 1,25 termasuk tanah normal. Berat isi kering maksimum 1,56 gr/cm3 pada kadar air optimum 22,9%, nilai CBR rendaman 96 jam sebesar 24% dan abrasi sebesar 22,49%, sehingga layak sebagai material timbunan pilihan perkerasan lentur jalan raya, tetapi tidak layak dipergunakan sebagai material agregat kelas B karena nilai CBR rendaman < 60% dan juga tidak layak dipergunakan sebagai agregat kelas A karena persen lolos saringan 1 ½ ˜ kurang dari 100% dan nilai CBR rendamannya < 90%. Kata kunci: laboratorium, layak, agregat, timbunan pilihan Abstract This research aims to evaluate the suitability of Mount Quary Bondo material as the embankment, class A and B aggregate for flexible pavement. Laboratory test results show this type of soil has LL of 22%, PI 5%, 5.32% to 5.54% passing No. 200 sieve, average Cu 92.68, average Cc 5.17 3; It is categorized as GP-GM or ML (USCS), and A-1-a (0) (AASHTO). The active value is 0.90 < 1.25 including normal soil; max dry density 1.56 gr/cm3 at 22.9% wopt, the soaked CBR of 96 hours is 24%, the abrasion is 22.69%; so it is suitable as the embankment for flexible highway pavement, but is not suitable for use as class B aggregate material because the soaked CBR < 60% and it is also not suitable for use as class A aggregate because percentage passing the 1 ½ (38,1 mm) sieve < 100% and the soaked CBR < 90%. Keywords: feasible, aggregate, selected material