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All Journal Jurnal Spektran Bumi Lestari Prosiding Seminar Nasional MIPA Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Simposium II UNIID 2017 PRATAMA WIDYA : JURNAL PENDIDIKAN ANAK USIA DINI International Journal of Engineering and Emerging Technology Jurnal Ilmiah Teknik Sipil Open Access DRIVERset
I Wayan Redana
Program Studi Magister Teknik Sipil Universitas Udayana
Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Mechanical Engineering Social Sciences

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DAYA DUKUNG PONDASI TELAPAK DENGAN PLATE LOADING TEST PADA TANAH PASIR Krisantos Ria Bela; I Wayan Redana; Anissa Maria Hidayati
JURNAL SPEKTRAN Vol 6 No 2 (2018): Vol. 6, No. 2, Juli 2018
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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Abstract

ABSTRAK Plate Loading Test adalah salah satu pengujian yang dilakukan untuk mengukur kekuatan dan deformasi tanah, dan digunakan untuk mengetahui daya dukung tanah serta penurunannya terutama untuk pondasi dangkal. Nilai daya dukung, penurunan, dan angka keamanan (FS) yang diperoleh dari Plate Loading Test untuk pondasi 10 cm x 10 cm adalah 14.50 kN/m2, penurunannya adalah 0.000037 m. Sedangkan pada pondasi 20 cm x 20 cm, nilai daya dukungnya adalah 29.95 kN/m2, penurunannya adalah 0.000149 m. Dengan beban kerja sesuai beban ijin Terzaghi dengan angka keamanan (FS) = 2, maka uji Plate Loading Test pada pondasi 10 cm x 10 cm memberikan angka keamanan lebih besar dari 2 yaitu (FS) = 2.30 dan pada pondasi 20 cm x 20 cm memberikan angka keamanan lebih besar dari 2 yaitu (FS) = 2.38. Untuk Persentase perbandingan antara Plate Loading Test dengan Metode Terzaghi pada pondasi 10 cm x 10 cm, nilai daya dukungnya adalah 56.52 % dan penurunannya adalah 63.49 %. Sedangkan pada pondasi 20 cm x 20 cm, Persentase perbandingan daya dukungnya adalah 57.90 % dan penurunannya adalah 63.74 %. Untuk Persentase perbandingan antara Plate Loading Test dengan Metode Meyerhof pada pondasi 10 cm x 10 cm, nilai daya dukungnya adalah 54.83 % dan penurunannya adalah 62.07 %. Sedangkan pada pondasi 20 cm x 20 cm, Persentase perbandingan daya dukungnya adalah 56.26 % dan penurunannya adalah 62.32 %. Untuk Persentase perbandingan antara Plate Loading Test dengan Plaxis 2D pada pondasi 10 cm x 10 cm, nilai daya dukungnya adalah 56.52 %, dan penurunannya adalah 59.46 %. Untuk pondasi 20 cm x 20 cm, Persentase perbandingan daya dukungnya adalah 57.90 % dan penurunannya adalah 61.74 %.
DESAIN PONDASI TIANG RAKIT DENGAN METODE POULOS DAN SOFTWARE PLAXIS I Nyoman Sutarja; I Wayan Redana; I Made Putra Dwityagana
JURNAL SPEKTRAN Vol 7 No 1 (2019): Vol. 7, No.1, Januari 2019
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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Abstract

DESIGN OF RAFT-PILE FOUNDATION BY POULOS METHOD AND SOFTWARE PLAXIS ABSTRACT In Bali, especially Kuta area there are many layers of soft soil with hard soil depth far from the surface of the land. Sufficient foundation design is required to avoid soil degradation. This research aims to produce alternative pole-raft foundation design using Poulos manual method and Plaxis software. Poulos manual method using trial and error method with variation dimension cross section of pile, pile length, and number of piles. The results of this study show the final design configuration of the alternative foundation of this raft pile has a thickness of 0.30 meters raft and 25x25 cm2 pile along the 7 meters with 20 pieces. From this ideal configuration obtained the calculation of soil yield calculation by Poulos method of 6,53 cm, while with Plaxis software of 6,92 cm. Percentage mobilization of ultimate capacity of pole system with Poulos method by 52%, while using Plaxis software 56,5%. The percentage of load borne by the pole system by Poulos method is 79,83%, while with Plaxis software 80,24%.
Model Penataan Lahan Penanggulangan Erosi Berbasis Masyarakat Di Kawasan Danau Batur I Made Nada; I Wayan Redana; I G B Sila Dharma; A A Gde Agung Yana
Bumi Lestari Journal of Environment Vol 18 No 1 (2018)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2018.v18.i01.p01

Abstract

Erosion control in the community-based Lake Batur area is directed to maintain the balance of Lake Batur. Erosion triggered by the pattern of management of agricultural lands less attention to aspects of soil and water conservation. The purpose of this research is; (1) to obtain a community-based erosion control model, (2) Land management Mapping on the edge of the lake, (3) erosion control strategy at the edge of the lake. This research field experiment and surpei, sampling is done by purposive sampling with amount of 64 sample. The socio-economic support data of the community was determined by 180 respondents in cluster sampling. Interviews and questionnaires are closed questions on a conventional scale. The characteristics of the lake were analyzed descriptive statistics using the SPSS tool. Land mapping is done by GPS method with GIS device. Predict erosion using the Universal Soil Loss Equation (USLE) Model, for sedimentation using the Stanford Sediment model. The analysis of the rate due to erosion, done by non linear regression analysis. The analysis shows that the settlement has an average of 115,85%, plantation 245,50% and sedimentation level 1,017,93 m3 / year. Sedimentation was tested on both sides with a 95% confidence level on the modeled sediment data. Conclusions to tackle erosion using a community-based Terracing Mekar land arrangement model that collaborates with elephant grass and vetiveria.
RE-VEGETASI TANAH VULKANIS TANDUS DENGAN AIR SUMUR I Nengah Simpen; I Nyoman Sutarpa Sutama; I Wayan Redana; Siti Zulaikah
Prosiding Seminar Nasional MIPA 2015: PROSIDING SEMINAR NASIONAL MIPA UNDIKSHA 2015
Publisher : Prosiding Seminar Nasional MIPA

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Abstract

Abstrak. Tanah vulkanis merupakan suatu perlapisan tanah yang terbentuk oleh hamparan material letusan gunung berapi saat meletus. Tanah vulkanis biasanya tandus. Perlu waktu yang lama bertahun-tahun dan bahkan sampai berpuluh-puluh tahun untuk menumbuhkan kembali vegetasi (re-vegetasi) di daerah ini. Untuk itu perlu dicari suatu cara agar pada tanah yang semula tandus dapat sesegera mungkin ditumbuhi tanam-tanaman, sehingga tanah vulkanis menjadi produktif. Melihat kondisinya yang seperti ini dapatlah dianalisa bahwa masalah utama pada daerah tersebut adalah air dan cara mengelolanya. Di sini diberikan salah satu contoh untuk mencari air pada daerah tanah vulkanis tandus yaitu dengan Metoda Geolistrik. Dari hasil yang didapat bahwa walaupun bagian atasnya berupa tanah vulkanik tandus, namun di bawahnya masih terpendam akuifer-akuifer yang dapat disadap airnya. Setelah airnya didapat, airnya mestinya dikelola sehngga dapat dipakai oleh hewan maupun tumbuhan. Simbiosis antara hewan dan tumbuhan dapat mempercepat proses re-vegetasi pada daerah vulkanis tandus. Sebagai hasil studi, dapat dilihat pada beberapa daerah di Kabupaten Karangasem Bali.Kata kunci: Re-vegetasi, Tanah vulkanis tandus, Metoda Geolistrik, Air sumur
DRILLING GROUNDWATER FOR RAW WATER IN SEMBIRAN VILLAGE,TEJAKULA DISTRICTS, BULELENG REGENCY Ketut Agus Karmadi; I Wayan Redana; I Nengah Simpen; Mawiti Infantri; Bambang Soenarto
International Journal of Engineering and Emerging Technology Vol 5 No 1 (2020): January - June
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2020.v05.i01.p14

Abstract

ABSTRACT- Water is an absolute necessity that must be met, both for drinking water and for irrigation. An alternative to meet the water needs other than rainwater or surface water, is by taking underground water by drilling deep wells. Sembiran Village is a village located in Tejakula District, Buleleng Regency, the village is a dry area that requires water, both for drinking water and for agriculture. Location of groundwater drilling including Tejakula groundwater basin. In order to achieve the above objectives, an effective and efficient groundwater drilling technique should be carried out considering that the area geologically has rocks dominated by volcanic lava rock which are the products of Mount Agung and Mount Buyan Beratan Purba. The method of drilling groundwater is carried out in stages starting from drilling a Pilot Hole with a diameter of 6 to 64 meters, followed by an enlargement of 8 ", 10" to 12 "drill holes to a depth of 64 meters. In the field of drilling work the Hydrolic Rotary System Method, Direct Circulation Rotary Drilling is used and for the removal of cutting / dirt mud Fludia is used. The equipment used for drilling is rotary / skid mounted drilling machines with a capacity of up to ± 150.0-200.0 meters, equipped with equipment such as: mud pumps, a series of equipment that cannot be separated from one another. For well logging an Electrical logger is used for geophysical wellbore investigations. For the work of washing wells using compressor and other supporting equipment. Pumping the test uses a submersible pump that has a minimum discharge capability of 10 lt / sec and a maximum of 20 lt / sec. The results of direct observations and measurements of the physical parameters of the Sembiran Village Drilling Well (SEM-5) contain TDS = 219.; PH = 7.0. Chemically, Iron (Fe) = 0.001 mg/ltr; Arsenic (Ar) = 0.067 mg/ltr; Availability (CACO3) = 56.4 mg/ltr; Chloride (Cl-) = 91.6 mg/ltr; Nitrate (N) = 0.013 mg/ltr; Sulfate (SiO4) = 1.88 mg); Lead (Pb) = 0 mg/ltr; organic matter (KMnO4) = 0.34 mg/ltr, so the Drilling wells (SEM-5) meet clean water quality standards based on the Regulation of the Minister of Health of the Republic of Indonesia Number 492 / Menkes / Per / IV / 2010. Discharge obtained from pumping test results at SEM-5 wells is 20.47 liters/sec with surface water level(swl) = 23.60 m, and the position of the pump is placed at 42 m from the ground surface.
ANALYSIS EFFECT OF LEACHATE ON SANDY CLAY SOIL I Nyoman Aribudiman; I Wayan Redana; Kadek Diana Harmayani; Yenni Ciawi
International Journal of Engineering and Emerging Technology Vol 4 No 1 (2019): January - June
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Abstract

Soil as a place of establishment of building can be very vulnerable to experiencing changes, especially by the influence of surrounding environment. Leachate has definition of waste water that formed from waste seepage water roomates is Often found in a dumpsite. The difference in the effect of leachate levels on soil characteristics soil changes may results. The aim of the research is to know the effect of leachate on soil characteristic in landfill Temesi, Gianyar. This is at the sampling site Because there is untreated leachate pollutes soil roomates around dumpsite. In testing the soil characteristics in the form of physical properties, mechanical properties, and soil permeability, the sample collected from the landfill leachate Temesi and determined by level variations with a percentage of 0%, 20%, 40%, 60%, 80% and 100% to water added to sandy clay soil with Atterberg limits test to Obtain Data on soil physical properties in the form of liquid limit values, plastic limits, and shrinkage limits. The CD (Consolidated Drained) triaxial tests to Obtain Data on soil mechanical properties in the form of cohesion values (c) and internal friction angle (?). The test was Carried at Soil Mechanics Laboratory of the Faculty of Engineering Udayana University. The result of Atterberg limits test with 0% to 100% leachate Increased by 39.91% to 57.18% for liquid limit, 22.81% to 43.63% for plastic limit, and 34.23% to 50.41% for shrinkage limit with average increase of 8.65% for liquid limit , 18:26% for plastic limit, and 9:45% for shrinkage limit. For the result of CD triaxial tests with 0% to 100% leachate Decreased by 5.6 ° to 12.2 ° internal friction angle (?) and 0. 349 kg/cm2 to 0249 kg/cm2 for cohesion values (c) with average decline 10.82% for internal friction angle (?) and 5.73% for cohesion value (c). The permeability value with 0% to 100% leachate Decreased by 0.000163 cm/seconds to 0.000075 cm/seconds with average decline 10.79%.
UNDERSTANDING VERTICAL HOLINESS AS A RECEIVED BUSINESS ON UNDERPASS DEVELOPMENT I Made Sastra Wibawa; I Wayan Redana; Putu Alit Suthanaya; Ngakan Made Anom Wiryasa
International Journal of Engineering and Emerging Technology Vol 5 No 1 (2020): January - June
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2020.v05.i01.p10

Abstract

Development efforts in the vertical direction should have been better than in the horizontal direction which only requires land to the side. The emergence of new ideas certainly raises the pros and cons, most local geniuses are vertical purity, the compilation passes under the terraced infrastructure there is a feeling of flare/fatigue because it is bypassed by people. The aim of the study is to reveal the vertical relationship with the design of underpasses, and how community acceptance of underpass construction. The methodology used is complicated through interviews with Hindu scholars, Bali, which are then used as a basis for further observation for shareholders so that questionnaires can be prepared. The results of the questionnaire are data of the relationship between vertical and attitude of community acceptance towards underpass development. The data obtained were analyzed by Logistic Regression. The results of the study of vertical simplicity are local wisdoms that need to be discussed and agreed in this modern era. Furthermore, the results of the analysis show that there is a relationship between vertical purity and uneven plot intersection height, as evidenced by the acceptance of the hypothesis at the significance level ? = 0.05. The results of the analysis show "significance <?" or (0.033 <0.05), this means vertical purity, which means significant effect on underpass height design. Alternative designs also need to reduce underpass differences. Invitations are made very necessary as a legal umbrella for the design and manufacture of underpasses. Keywords: Vertical purity, underpass, cemer/leteh, alternative design.
A Bibliometric Analysis of Input Parameter in Artificial Neural Network Approach for Groundwater Level Prediction Putu Doddy Heka Ardana; I Wayan Redana; Mawiti Infantri Yekti; I Nengah Simpen
International Journal of Engineering and Emerging Technology Vol 5 No 2 (2020): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2020.v05.i02.p22

Abstract

Rapid growth in the Artificial Neural Network (ANN) approach in groundwater level prediction literature calls for an assessment of the trajectory and impacts to identify key themes and future research directions. In this paper, reported a bibliometric analysis of this literature that focuses on examining input paramater uses, focus of research, and research forward. We used Elsevier’s SCOPUS database, Dimensions, and Google Scholar to search for publications from January 2000 to May 2020 on the ANN approach in groundwater level prediction, and analyzed the ?nal sample of 101 publications using RIS file from Mendeley and Vosviewer software tools. Thematic analysis of abstracts revealed a strong focus on groundwater level prediction with artificial neural network approach. The co-occurrence network map showed the hydro-climatology parameter like precipitation, temperature, and groundwater level connected with a large number of frequently used for input in ANN approach, while the evapotranspiration, evaporation, humidity, river stage, runoff parameter demonstrated much weaker links. Re?ected on how these ?ndings may useful for better understand and ultimately be able to use the other hydro-climatology input paramater on groundwater level prediction with artificial neural network approach.
SEISMIC DESIGN FOR INFRASTRUCTURES I Wayan Redana; I Made Aryatirta Predana; I Kadek Edy Suhendrawan; I Ketutu Sudarsana
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 1 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 1, Maret 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i01.p08

Abstract

Seismic design for infrastructures such as building and non-building is designed based on design ground shaking shall be characterized by the design spectrum. This study aims to evaluate seismic design for infrastructures following SNI 1726-2019. Several site investigations are taken by conducting boring to a depth of 30 m to count the soil site classification. It might be summarized that the area of investigation is classified as SC/hard soil, very solid and soft rock, SD/medium soil and SE (soft soil).
SEISMIC DESIGN FOR INFRASTRUCTURES I Wayan Redana; I Made Aryatirta Predana; I Kadek Edy Suhendrawan; I Ketutu Sudarsana
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 1 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 1, Maret 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i01.p08

Abstract

Seismic design for infrastructures such as building and non-building is designed based on design ground shaking shall be characterized by the design spectrum. This study aims to evaluate seismic design for infrastructures following SNI 1726-2019. Several site investigations are taken by conducting boring to a depth of 30 m to count the soil site classification. It might be summarized that the area of investigation is classified as SC/hard soil, very solid and soft rock, SD/medium soil and SE (soft soil).
Co-Authors A.A.N. Dharma Paramartha Anissa Maria Hidayati Bambang Soenarto Daniel Yudha Prayoga I Gusti Ngurah Putu Dharmayasa I Gusti Ngurah Wardana I Kadek Edy Suhendrawan I Kadek Suardika I Ketut Swijana I Ketutu Sudarsana I Made Aryatirta Predana I Made Nada I Made Putra Dwityagana I Made Sastra Wibawa I Nengah Simpen I Nengah Simpen I Nym. G. Santiawan I Nyoman Aribudiman I Nyoman Sutarja I NYOMAN SUTARPA SUTAMA I P. Alit Suthanaya I Wayan Sujahtra Ida Bagus Putu Adnyana Ika Umratul Ika Umratul, Ika Jamhari Jamhari Kadek Diana Harmayani Ketut Agus Karmadi Krisantos Ria Bela Mawiti Infantri Mawiti Infantri Yekti Ngakan Made Anom Wiryasa Ni Nyoman Pujianiki Putu Doddy Heka Ardana Ririn Hartini Selvi Marcellia Siti Zulaikah Tjok Gde Suwarsa Putra Tjokorda Gde Suwarsa Putra Yana, Anak Agung Gde Agung Yenni Ciawi