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All Journal JUTEKS - Jurnal Teknik Sipil

Diarto Trisnoyuwono

Politeknik Negeri Kupang

Author-ID : 5927660

Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology Transportation

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Kajian Kelayakan Penggunaan Material Tanah Putih Dari Pulau Rote Sebagai Pengganti Pasir Alam Dalam Produk Mortar Dan Beton Diarto Trisnoyuwono; Abia Erasmus Mata; Welem MWL Daga
JUTEKS : Jurnal Teknik Sipil Vol 6 No 1 (2021): JUTEKS (Jurnal Teknik Sipil)
Publisher : P3M- Politeknik Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32511/juteks.v6i1.781

Di Provinsi NTT juga dapat ditemukan wilayah dengan keterbatasan ketersediaan material agregat (terutama pasir) yang memenuhi standar untuk konstruksi bangunan, daerah tersebut adalah Kabupaten Rote Ndao. Sehingga untuk memenuhi kebutuhan pembangunan dengan tetap bisa memanfaatkan potensi daerah maka dibutuhkan suatu rekayasa material. Di Pulau Rote terdapat deposit batu gamping (tanah putih) di daerah diperbukitan. Sehingga pemanfaatan tanah putih patut dipertimbangkan. Tanah putih sebagai pengganti fraksi pasir alam, sedangkan untuk fraksi agregat kasar tetap mengambil dari quary setempat. Terhadap material tanah putih diberi dua jenis perlakuan, pertama menggunakan material sesuai kondisi fisik asli dari hasil galian di quary dan kedua, fraksi halus butiran yang lolos saringan No.200 tidak dipakai dalam campuran. Hasilnya tanah putih ketika tanah putih dipakai dalam produk mortar, dapat memenuhi kelas mortar M, S dan N, artinya mortar tersebut bisa dipakai dari aplikasi plesteran sampai dengan pasangan batu pondasi dan tembok penahan. Aplikasi tanah putih untuk produk beton dapat menghasilkan kuat tekan beton hingga K300 sehingga dapat dipakai untuk pembangunan box culvert, perkerasan kaku, jembatan komposit sampai rumah tinggal

BUDIDAYA RUMPUT LAUT DI PANTAI BOLOK KUPANG - NUSA TENGGARA TIMUR Priska Gardeni Nahak; Diarto Trisnoyuwono
JUTEKS : Jurnal Teknik Sipil Vol 1 No 2 (2016): JUTEKS JURNAL TEKNIK SIPILJUTEKS (Jurnal Teknik Sipil)
Publisher : P3M- Politeknik Negeri Kupang

NTT Province as one of the provinces in Indonesia has many islands, with the main livelihood of the people were farming, gardening and seaweed farmers. One of the flagship products of seafood NTT was seaweed. Kupang district is one of the producers of seaweed in the province, but the availability of area for those matter until now not able to meet the maximum target of dry seaweed. Additionally dried seaweed produced has poor quality because it still contains a lot of impurities, thus affecting the selling price, which would certainly have an impact on the income and welfare of the farmers. It is because the technique that applied to both the cultivation technique and drying techniques were still very traditional. One of the technologies offered to overcome those problems was 'Dryer Box Technology'. This technology were expected especially to minimize the amount of seaweed ready for harvest were always broken and lost in the rainy season, due to lack of seaweed dryers facilities. In addition by these technology were also expected to get more cleaner dried seaweed because it is not contaminated with dirt when drying, so as to improve the quality of the dried seaweed. This quality improvement, also will increase the selling price of which would increase the income and welfare of farmers seaweed, as well as increasing the amount of seaweed production in NTT Province. The dryer box technology has a dimension 0.8 m lenght; 0.66 m width; and 1.5 m height. so that for once the drying process, 50 kg of wet grass only requires about 0.53 m² of area, while using traditional drying methods requires 10m² ± s / d 15 m² of area depending on the number of wet grass. Besides shorter drying time is for 50 kg of wet grass, it takes only about ± 0.75 hours. Whereas with traditional systems, drying time takes an average of 3-4 days. This will increase the productivity of dry seaweed, which can increase the production quantity of dried seaweed ready though in NTT Province.

PENGEMBANGAN BATAKO SISTEM INTERLOCKING UNTUK BANGUNAN TAHAN GEMPA Diarto Trisnoyuwono; Marsinta Simamora; Priska Gardeni Nahak
JUTEKS : Jurnal Teknik Sipil Vol 2 No 1 (2017): JUTEKS (Jurnal Teknik Sipil)
Publisher : P3M- Politeknik Negeri Kupang

Earthquakes as a natural phenomenon have caused many casualties and property.for the examples human casualties from the Aceh earthquake on December 26th, 2006 more than 180 thousand people, the Nias earthquake on March 15th, 2005 have more than 3000 of victims andlast the Yogyakarta earthquake on 27th May 2006 over 5700 victims. Based on observations most of the human victims caused by falling by the collapsed building. One of the elements of the building that is easy to fail when an earthquake strike is part of the wall.The walls are composed of clay bricks or concrete bricks only able to withstand axial force but weak in resisting lateral force perpendicular to the plane. Innovation model of brick to overcome the problem is batako interlocking system. Batako hooks (Interlock block) is a wall building material that has a hook to lock movement due to lateral force. Interlock block is the development of the brick by adding lips on certain sides as a lock. The developed brick model with a dimensions length of 30 cm, height of 15 cm and thickness of 10 cm, which is equipped with bulge / lips on all four sides. The portion of the mixture used is 1 cement: 5 sand. The molded brick was applied to a wall-mounted pairs product with a length of 1.5 m and a height of 1 m. Based on the calculation of material requirement from brick wall, it is known that the specific material for inserting an interlocking brick is 25% less than conventional batako pairs, besides the time required to obtain a neat pair of interlocking bricks is 7.5 minutes faster when compared with Installation of conventional brick.

BETON POROUS, SEBAGAI ALTERNATIF BAGI PENANGANAN LIMPASAN AIR HUJAN Diarto Trisnoyuwono
JUTEKS : Jurnal Teknik Sipil Vol 1 No 1 (2016): JUTEKS (Jurnal Teknik Sipil)
Publisher : P3M- Politeknik Negeri Kupang

Beton non pasir tergolong beton ringan, karena tidak atau sedikit menggunakan agregat halus (pasir) dalam campurannya. Oleh sebabnya beton ini memiliki pori antar agregat yang besar sehingga karakteristiknya berbeda sama sekali dengan bahan beton pada umumnya yang bersifat kedap, beton non pasir bersifat permeabel (mudah melewatkan air), berdasarkan penelitian kuat tekannya berkisar antara 4MPa - 30 MPa dengan kadar rongga (void content) 15% – 25 %. Oleh karena sifatnya yang unik, jenis beton ini sudah luas diaplikasikan di beberapa Negara sebagai alternative bahan perkerasan jalan, dinding penahan dan bahan dinding rumah/gedung, sedangkan di Indonesia telah diteliti dan diaplikasikan diantaranya sebagai batako ringan, buis beton, perkerasan jalan sampai barang – barang kerajinan dengan variasi penggunaan bahan agregat kasar (batu apung, batu kali, pecahan genteng dan pecahan bata).

MODEL INTRNATIONAL ROUGHNESS INDEX VS WAKTU PADA BEBERAPA JALAN NASIONAL DI KOTA KUPANG Marsinta Simamora; Diarto Trisnoyuwono; Anastasia Henderina Muda
JUTEKS : Jurnal Teknik Sipil Vol 3 No 1 (2018): JUTEKS (Jurnal Teknik Sipil)
Publisher : P3M- Politeknik Negeri Kupang

Dalam sistem manajemen infrastruktur, tahap pemeliharaan adalah salah satu bagian yang penting. Biaya penanganan/pemeliharaan jalan yang besar perlu diatasi melalui satu perencanaan pembiayaan. Penelitian ini bertujuan untuk membangun suatu model antara IRI versus waktu pada jalan nasional di wilayah Kota Kupang. Model dibangun berdasarkan data sekunder IRI dan divalidasi menggunakan data primernya. Hasil pemodelan menunjukkan bahwa IRI merupakan fungsi polynomial tingkat -4 dari waktu dengan determinasi R2 = 0,9337 dan 0,8073 masing-masing untuk jalan Pahlawan dan WJ. Lalamentik. Hasil ini dapat digunakan memprediksi biaya pemeliharaan dengan metode memasangkan nilai IRI dan biaya standar yang ada. Dengan demikian untuk beberapa waktu mendatang sudah dapat dipersiapkan biaya yang akan diperlukan dalam rangka mempertahankan kondisi kerataan permukaan jalan.

KONSEKUENSI FINANSIAL KERUSAKAN PREMATUR PERKERASAN JALAN: SEBUAH KERANGKA PIKIR DAN APLIKASINYA Masinta Simamora; Diarto Trisnoyuwono; Anastasia H. Muda
JUTEKS : Jurnal Teknik Sipil Vol 2 No 1 (2017): JUTEKS (Jurnal Teknik Sipil)
Publisher : P3M- Politeknik Negeri Kupang

The management of national road is not optimal and has not efficient yet. Its indication is premature damage of road. However, road damage cannot be avoided. The problem is whether premature damage causes losses. This paper aims to show the framework of the losses of premature damage of road in term of financial consequences and to apply that framework by a simulation. Based on concept of benefit value which is represented by serviceability level through pavement condition index for along its life time service was developed the framework of financial consequences on premature damage of road, which is represented with loss of road condition. Second, to count the losses on premature damage of road by a simulation. The result showed that premature damage of road causes lossess. The loss for losing 36 on pavement condition indexs is Rp. 458.257.899,41 per kilo meter. So, the loss for losing one on condition index is Rp. 12.729.386,09. Moreover, in term of the prematur damage is not accured the lose does not arise or zero losses.

Co-Authors Abia Erasmus Mata Anastasia H. Muda Anastasia Henderina Muda Marsinta Simamora Masinta Simamora Priska Gardeni Nahak Welem MWL Daga

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