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PENGARUH GENANGAN AIR HUJAN TERHADAP LASTON WEARING COURSE MENGGUNAKAN MODIFIKASI ASBUTON LGA TIPE 50/30 Mirka Pataras; Aztri Yuli Kurnia; Yulia Hastuti; Rizki Prasetya Person; Nanda Putri Anindita
Simposium II UNIID 2017 Vol 2 (2017)
Publisher : Simposium II UNIID 2017

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (562.021 KB)

Abstract

Penelitian ini membahas mengenai pengaruh genangan air hujan terhadap laston ACWC dengan memanfaatkan modifikasi asbuton LGA tipe 50/30. Proporsi yang digunakan pada modifikasi LGA adalah 50% asbuton LGA tipe 50/30 dan 50% aspal penetrasi 80/100. Proporsi tersebut dipilih berdasarkan hasil pengujian karakteristik modifikasi LGA yang memenuhi untuk menggantikan aspal penetrasi 60/70. Berdasarkan pengujian Marshall yang telah dilakukan, didapatkan nilai KAO sebesar 5,8% untuk campuran laston AC-WC standar dan 6,2% untuk campuran laston AC-WC modifikasi. Dari nilai KAO tersebut didapatkan parameter Marshall untuk campuran laston AC-WC standar, yaitu nilai stabilitas senilai 1036,608 Kg dan flow sebesar 3,422 mm. Sedangkan campuran laston AC-WC modifikasi menghasilkan nilai stabilitas senilai 1045,183 Kg dan flow sebesar 3,358 mm. Setelah itu dilakukan perendaman benda uji dengan air hujan yang telah ditampung dengan durasi perendaman 0 jam, 4 jam, 8 jam, 24 jam, dan 48 jam, dan dilanjutkan dengan pengujian Marshall. Persentase perubahan karakteristik pada campuran laston AC-WC standar pada durasi perendaman akhir (48 jam) sebesar -23,12% pada stabilitas dan -4,01% pada flow serta campuran laston AC-WC modifikasi sebesar -21,35% pada stabilitas dan -3,43% pada flow. Sesuai hasil tersebut di atas, modifikasi asbuton LGA tipe 50/30 dapat menjadi alternatif pengganti aspal penetrasi 60/70 pada campuran laston AC-WC.
SOSIALISASI PEMANFAATAN LIMBAH PEMBAKARAN BATU BARA DALAM PEMBUATAN PAVING BLOK RAMAH LINGKUNGAN Sumiati Sumiati; Ahmad Syapawi; Revias; Mahmuda; Rizki Prasetya Person
Aptekmas Jurnal Pengabdian pada Masyarakat Vol 6 No 3 (2023): APTEKMAS Volume 6 Nomor 3 2023
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36257/apts.v6i3.6324

Abstract

Precast concrete products are in the form of small concrete blocks, made of fine aggregate, cement and water. Many small business manufacturers of paving blocks have not utilized coal ash waste as an additive and stone ash as fine aggregate. The paving blocks produced are also not standardized, therefore on this occasion we will socialize the results of Kerdosma's research by utilizing coal ash waste in making paving blocks at the Rosida Jaya depot. The aim of this socialization is to apply the results of student research to the community, especially in the manufacture of standardized paving blocks so that they can increase consumer purchasing power, are economical and eco-friendly. The socialization was carried out by discussing the use of coal ash waste as an additive to cement and stone ash as fine aggregate to increase the compressive strength and reduce the absorption of paving blocks. The composition of the research results, printed, tested for compressive strength and absorption so that it can be classified based on SNI 03-0691-1996. Producers and workers  were very enthusiastic and responded to the discussions carried out, where this can be seen in the results of the printed paving block compressive strength when compared to the results of the study which did not differ significantly, but the problem is that the coal ash waste  and stone ash is  very  difficult to obtain, so that if producers use these materials, it will increase production costs.
Co-Authors Ahmad Syapawi Aztri Yuli Kurnia Hastuti, Yulia Mahmuda Mirka Pataras Nanda Putri Anindita Revias Sumiati Sumiati Sumiati Sumiati