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All Journal Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Matrix : Jurnal Manajemen Teknologi dan Informatika Gema Agro Jurnal Talenta Sipil
I Wayan Arya
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Kesehatan Ikan, Identifikasi, dan Analisis Prevalensi Parasit Ikan di Danau Buyan, Buleleng Bali Reboin Sitompul; Sang Ayu Made Putri Suryani; I Wayan Arya
GEMA AGRO Vol 24 No 2 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (142.758 KB) | DOI: 10.22225/ga.24.2.1709.120~128

Abstract

This study aims to determine the condition factor (FK) of fish that live wildly on Lake Buyan and record the types of fish parasites that exist, by identifying parasites in fish samples caught by fishers both fishing with fishing rods and with nets. Then counting prevalence of types of parasites found.This study uses the descriptive exploitative research method, namely by conducting a series of observational activities on the object under study in this case are the fish that are on Lake Buyan both fish that have economic value and wild fish that have no economic value. Data retrieval techniques in this study were carried out by direct observation or observation of objects studied in the field, and microscope observations in the laboratory on sample fish. The condition factor (FK) is different for each type of fish and there is a decrease in FK in each fish, namely the observation period in August 2018. Nilem fish has FK which is 1.66 (less healthy) compared to other fish.In this study nine species of parasites were identified in seven species of fish, while the parasites were: Dactyrogilus sp, Gyrodactilus sp, Tricodina sp, Vorticellasp, Oodinium sp, Saprolegniasp, Argulus sp, Lernaeasp, Icthyoptiriussp. All of which belong to the ectoparasites which attack the outside of the body of the fish such as skin, scales, fins, gills and head.The prevalence of each type of parasite varies for each type and each observation period. The highest prevalence in June was Tricodina sp with a value of 5.71%. In July the highest was Saprolegnia sp 8.57%, in August the highest was Saprolegnia sp and Lernaea sp which amounted to 10%.
Pengaruh Injeksi Semen Pada Lereng Tanah Berpasir Terhadap Permeabilitas Tanah I Wayan Arya; I Wayan Intara; I Nyoman Ramia; I Wayan Wiraga; I G A G Suryanegara
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 24, No 1 (2019): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v23i1.1602

Abstract

Natural slope that are formed from the soil often experience landslides. Landslide occurs because the driving force received by the slope is greater than the ability of the slope to resist it. Thus forming a sliding plane that has a low stability. Factors that decrease the stability of the slope are infiltration of rainwater, vibrations that may come from earthquakes or moving loads, construction loads, and cracks. Rainwater that infiltrate through slope causes active force on the slopes and also decreases soil strength. Landslides due to infiltration of rainfall are common problems on residual soil slopes from the tropical region. Soil stabilization process for soil that have been experienced prior landslide, often encounter difficulty in compacting soil to form slope bodies. Loose sandy soil slopes has a very low strength so that expensive construction is needed. One possible way to do this is to fill the pores of the soil with certain aggregates. One of the aggregates is cement. The cement material is chosen because cement when liquid can seep in and fill the pores of the soil. After drying this cement can increase soil permeability and reduce soil pore numbers. Filling cement into the soil pores can be done by injection of liquid cement. The problems that will be raised in this study are: What is the change in soil permeability rate if the soil is injected with cement and how much changes in soil pore size when injected with cement. The method used in this study is to make a test model in the laboratory. By comparing soil without cement injection with soil that has been injected with cement, it will be known to increase soil permeability and decrease the soil pore number. From the preliminary test with proctor test, the maximum density was 1,286 gram/cm3 and the optimum water content was 18%. Decrease of coefisien permeability from without cement injection to with cement injection 31,5 %.
ANALISA PENENTUAN PARAMETER MEKANIK BATUAN DENGAN METODE RMR DAN GSI PADA KAWASAN PANTAI MELASTI, BALI I Made Wahyu Pramana; I Wayan Arya
Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Vol 8 No 2 (2020): Jurnal Ilmiah MITSU
Publisher : Fakultas Teknik, Universitas Wiraraja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24929/ft.v8i2.978

Abstract

In order to do bearing capacity and slope stability analysis of rock, determination of physical and mechanical parameter of the rock is needed. The objective of this study is to determine the mechanical parameter of the rock using RMR and GSI method. Result of this study are rock in Melasti beach area is classified into fair rock with range of GSI value of 35 to 45. Mechanical parameter of the rock using RMR method are f = 25 – 35 and c = 200 KPa – 300 KPa and mechanical parameter using GSI method is f = 24 – 29 and c = 256 KPa – 330 KPa.
KAJIAN KONSERVASI MATA AIR DI KOMPLEK PURA MENGENING DI DESA TAMPAKSIRING, KABUPATEN GIANYAR I Gst. Lanang Made Parwita; Made Mudhina; I G.A. Dewi Paramita,; I Wayan Arya
Matrix : Jurnal Manajemen Teknologi dan Informatika Vol 5 No 1 (2015): MATRIX - Jurnal Manajemen Teknologi dan Informatika
Publisher : Unit Publikasi Ilmiah, P3M Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (370.957 KB)

Abstract

Keberadaan mata air di Komplek Pura Mengening memiliki arti yang sangat penting selain sebagaisumber air untuk irigasi juga mempunyai fungsi yang sangat penting yaitu sebagai sumber air suci untukkegiatan keagaamaan Hindu. Dengan fungsi yang sangat penting tersebut sangat perlu kiranya dilakukan usahapelestarian melalui konservasi yang berkelanjutan sehingga fungsi dari mata air tersebut tetap dapat dipertahankan. Kondisi mata air yang ada saat ini di komplek Pura Mengening menunjukkan bahwa pada beberapa bagian sangat perlu untuk dilakukan konservasi berupa perbaikan/penataan baik secara fisik maupun nonfisik.Berdasarkan pengamatan dan pengukuran langsung di lapangan serta melalui koordinasi dengan semuaelemen yang ada seperti Dinas Pekerjaan Umum Provinsi Bali dan Dinas Pekerjaan Umum Kabupaten Gianyar,Pemerintah Desa Tampaksiring, Bendesa Tampaksiring serta Pengempon Pura Mengening maka dilakukan suatukajian scera komprehensif dengan berpedoman kepada tata aturan bangunan arsitektur Bali dan pertimbangankeseimbangan ekologis.Konservasi yang dapat dilakukan melalui dua cara yaitu secara fisik dan non fisik. Secara fisik meliputibeberapa kegiatan yaitu pembuatan tembok penyengker mata air Tirta Gelung, penambahan Patung Pandita, penambahan Patung Dewi Gangga, pembuatan jalan akses ke mata air Tirta Tunggang, pembuatan pelat tempat sembahyang dan kamar ganti di mata air Telaga Waja, pembuatan papan nama mata air serta pembuatan papanpengumumuan dan tata aturan masuk Pura bagi para pengunjung. Konservasi secara non fisik yang dapat dilakukan yaitu pembuatan tata aturan/awig-awig dalam tata kelola pengelolaan Pura serta pemberian pelatihan kepada pengempon Pura dalam menjaga kesucian Pura terutama berkaitan dengan kegiatan kepariwisataan.
Analisis Penurunan Daya Dukung Tiang Tunggal pada Tanah yang Berpotensi Mengalami Likuifaksi di Kota Denpasar, Bali I Made Wahyu Pramana; I Wayan Arya; I Wayan Wiraga; IGAG Surya Negara Dwipa RS
Jurnal Talenta Sipil Vol 6, No 2 (2023): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v6i2.320

Abstract

In Indonesia, earthquakes occur very frequently. As a result of the earthquake, the safety of building structures against earthquakes really needs to be taken into account in the analysis of calculating the factor of safety. Apart from the effect of the earthquake on the superstructure, the effect of the earthquake on the substructure must also be considered. One of the substructure failures that can occur in the substructure due to an earthquake is a soil liquefaction where the soil experiences a loss/decrease in the bearing capacity of the soil as a result of the earthquake. This study used a quantitative method by conducting soil investigations and taking soil samples from the field. The results of the soil investigation will be used in calculating the potential for liquefaction of the soil layers and the axial bearing capacity of single pile foundations before and during liquefaction. At the study site, the dominant soil is loose sand with a high ground water table. The soil has the potential to experience liquefaction from a depth of 1.5 m to 13 m. This study modeled 2 pile models where both of them experienced a decrease in the axial pile bearing capacity respectively: 93% and 79%.
Co-Authors I G A G Suryanegara I G.A. Dewi Paramita, I Gusti Lanang Made Parwita I Made Wahyu Pramana I Nyoman Ramia I Wayan Intara I Wayan Wiraga IGAG Surya Negara Dwipa RS Made Mudhina Reboin Sitompul Sang Ayu Made Putri Suryani