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All Journal Jurnal Rekayasa Jurnal Rekayasa Sipil dan Desain Makara Journal of Technology Journal of Infrastructure and Construction Technology
Andius Dasa Putra
Universitas Lampung
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Journal : Jurnal Rekayasa

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Studi Daya Dukung Tanah Lempung Lunak menggunakan Ecomix. Setyanto, .; Putra, Andius Dasa; Permana, Erik
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 17, No 3 (2013): Edisi Desember 2013
Publisher : UNIVERSITAS LAMPUNG

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Abstract

In this research, the soil to test is soft clay soil from Rawa Sragi area of Belimbing Sari village, inJabung sub district of East Lampung regency, Lampung province. The soil properties were as thefollowing: specific gravity 2.546; water content 50.64%, liquid limit 61.26%, plasticity limit30.77%, plasticity index 30.49%, and material sieve passing no. 200 was 90.42%. Additive mate-rial to use was Ecomix. There were three treatments of ecomix mixtures of 3 gr, 4 gr, and 5gr with0.4 kg cement and 6 kg soft clay soil samples. The mixture samples were letting aside for 7 daysand soaked for 4 days.The results showed that the ecomix addition to mixture or cement and soft clay soil was able toimprove the soil mechanical and physical properties. The physical test results such as specificgravity, optimal water content, and plasticity index tests showed decreasing results after soil sta -bilization. The maximum CBR value was obtained in mixture of 34.49% in non-soaked condition,while the lowest CBR value was 8.2% soaked condition. The CBR test results showed that the soilmixture of ecomix additive material and cement can be used for road construction subgrade be-cause the CBR value was ≥ 6%
ANALISIS KAWASAN KESELAMATAN OPERASI PENERBANGAN (KKOP) BANDAR UDARA PEKON SERAI DI KABUPATEN LAMPUNG BARAT Putra, Andius Dasa; Purba, Alexander
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 13, No 2 (2009): Edisi Agustus Tahun 2009
Publisher : UNIVERSITAS LAMPUNG

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As the one requirement for air transport safety and airport operating is Obstacle LimitaionSurface (OLS) area. The aimed of this research is to determining the major obstacle limitationsurface, consist of take-off and landing surface, possibility accident area, conical area, innerhorizontal, outer horizontal, transition area, and instrument of navigation posistion. This researchas inputing program to Pemerintah Daerah Kabupaten Lampung Barat to prevent of high buildingand tower BTS who would be disturb or give the risk for air transport operation at the SeraiAirport. Based on the observation and geodetic calculation we can determining of ObstacelLimitaion Surface (OLS) area at Serai Airport. Thsi research shown that high building and towerBTS by height about 70 – 120 m, not enter in this area of obstacle limitation surface.Furthermore, Pemerintah Kabupaten Lampung Barat will prepare and make a regulation abouthow many height of building who considered will be allowed in the Obstacel Limitation Surface(OLS) area.
Co-Authors . Setyanto Adenora, Novan Agus Nugroho, Soewignjo Alexander Purba Alviani, Enggar Andriani Andriani Auli, Septriza Auliyak, Alma Sulton Azis, M Irvani Dwitya, Fara Erik Permana Ferry Fatnanta Irwan, Devrisvansyah Iswan . Iswan Iswan Iswan, I Julianto, Agil Kafi, Muhammad Kristianto Usman Laila, Ibnu Abi Lusmeilia Afriani Melianita, Revi Ofik Taufik Purwadi, Ofik Taufik Ofrial, Siti Anugrah Mulya Putri Pangestu, Beno Balakosa Pangestu, Halsa Dinar Prangesty, Agnes Regina Pratomo, Riant Pandu Putri, Silfa Nayyira Rahayu Sulistyorini Satibi, Syawal siregar, amril maruf Soewignjo Agus Nugroho Syah, Aminudin Wahyuni, Nanda Dwi Zulnasari, Azra