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Yulis Widhiastuti
Universitas Bojonegoro
Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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Pengaruh Variasi Kadar Lateks terhadap Karakteristik Marshall pada Campuran Laston AC-WC Ikko Bagus Ismanto; Alfia Nur Rahmawati; Herta Novianto; Yulis Widhiastuti; Moch. Bagus Ardianto
Jurnal Teknik Sipil Vol. 11 No. 2 (2026): De'Teksi : Jurnal Teknik Sipil
Publisher : Universitas Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Lapisan permukaan beraspal (Asphalt Concrete-Wearing Course/AC-WC) menuntut bahan pengikat yang stabil sekaligus tetap lentur terhadap repetisi beban lalu lintas, sementara aspal minyak sebagai bahan pengikat konvensional berasal dari sumber daya tak terbarukan yang harganya terus meningkat. Lateks (getah karet alam) merupakan bahan polimer alami yang berpotensi sebagai bahan tambah aspal karena memiliki elastisitas dan daya rekat yang baik, serta tersedia melimpah di Indonesia sebagai salah satu produsen karet alam terbesar dunia. Penelitian ini bertujuan mengetahui pengaruh penambahan lateks terhadap karakteristik Marshall campuran Laston AC-WC dan menentukan kadar penambahan lateks yang paling optimum. Penelitian dilakukan secara eksperimental di laboratorium dengan terlebih dahulu menentukan kadar aspal optimum (KAO) campuran AC-WC menggunakan aspal penetrasi 60/70, kemudian dilanjutkan dengan pengujian Marshall pada KAO tersebut dengan variasi penambahan lateks sebesar 0%, 2%, 4%, dan 6% terhadap berat aspal. Hasil penelitian menunjukkan agregat gabungan dengan proporsi agregat kasar 13%, agregat medium 45%, agregat halus 38%, dan filler semen 4% memenuhi amplop gradasi Spesifikasi Umum Bina Marga 2018 Revisi II Divisi 6, dengan KAO sebesar 7,0%. Penambahan lateks meningkatkan nilai stabilitas dari 1.178,61 kg (0%) menjadi 1.568,10 kg pada kadar 4%, sebelum menurun pada kadar 6%, sementara seluruh parameter Marshall (VIM, VMA, VFA, flow, dan Marshall Quotient) tetap memenuhi spesifikasi pada rentang 0-4%. Kadar penambahan lateks optimum diperoleh sebesar 2,7% berdasarkan gabungan seluruh parameter Marshall.
PERENCANAAN KONSTRUKSI PENGENDALI SEDIMEN (CHEKDAM) DI HILIR KALI PACAL BOJONEGORO Harjono Harjono; Yulis Widhiastuti
Jurnal Pengembangan Rekayasa dan Teknologi Vol. 2 No. 2 (2018): November (2018)
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jprt.v14i2.1224

Abstract

Meeting the needs and maintaining the availability of water is an effort where a situation where the area is usually not run by water such as settlements, industrial areas, and other public facilities. This situation is considered to be detrimental to both morally and materially, the impact of which will directly be felt by humans. Therefore humans must balance between needs and natural conditions.Please note that the Klepek Dam is one of the buildings that functions as a water reservoir after the Pacal Reservoir for irrigation needs in the rice fields. To realize the success of quality Dam buildings and able to function as planned, it is needed by making check dam using concrete consumption.From studies and calculations that have been done using software, AutoCad, and Harpes calculation methods, it is known the impact of flood discharge and cross section in the Lusi watershed to determine whether or not the cross section of the Pacal Reservoir is necessary. The problem of holding water in the Pacal Reservoir is overcome by making check dam using concrete consumption
Co-Authors ABDUL MUJIB Agus Wibowo Alfia Nur Rahmawati Andi Tjandra, Antonius Andy Yanuar Putra Riyadi Dwi Rianto, Hindrawan EKO WAHYU ABRYANDOKO Harjono Harjono Herta Novianto Ikko Bagus Ismanto Moch. Bagus Ardianto Mohammad Irfan Alfanani Ocha Silvia Kencana Putri Puja Pratiwi Rahmawati, Alfia Nur Rahmawati Rahmawati, Laily Agustina Setiyani, Ayu soegyarto Soegyarto, Soegyarto Yulia Indriani