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All Journal Jurnal Ilmiah Elektronik Infrastruktur Teknik Sipil Jurnal Spektran Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa International Journal of Engineering and Emerging Technology
Ngakan Made Anom Wiryasa
Program Studi Teknik Sipil Universitas Udayana
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Environmental Science Mechanical Engineering

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PERANCANGAN STRUKTUR GEDUNG BETON BERTULANG MENGGUNAKAN SISTEM RANGKA PEMIKUL MOMEN KHUSUS (SRPMK) DENGAN RSNI 03-1726-xxxx Rudiatmoko, Restu Wiro; Wiryasa, Ngakan Made Anom; Budiwati, I.A.M
Jurnal Ilmiah Elektronik Infrastruktur Teknik Sipil Vol 1 No 1 (2012): Vol.1, No.1, Desember 2012
Publisher : Jurnal Ilmiah Elektronik Infrastruktur Teknik Sipil

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Abstract

Abstrak : Lokasi Indonesia yang berada diantara empat sistem tektonik aktif menyebabkan Indonesia memiliki tingkat resiko gempa yang cukup tinggi. Dalam kondisinya terjadinya gempa kuat diharapkan bangunan pusat pelayanan utama yang penting terhadap penyelamatan setelah gempa terjadi seperti bangunan rumah sakit, bangunan penyimpanan air dan bangunan lainya yang non gedung, tidak boleh mengalami kerusakan yang berat sehingga tidak berfungsi. Salah satunya bangunan gedung rumah sakit perlu direncanakan untuk memiliki ketahanan terhadap gempa. Daktilitas penuh menjadi alternatif dalam perencanaan struktur tahan gempa dan syarat pendetailan dibutuhkan yang detail. Tujuan dari studi ini adalah dapat memahami penggunaan gedung tahan gempa dengan menggunakan Sistem Rangka Pemikul Momen Khusus (SRPMK) dengan RSNI 03-1726-xxxx. Rencana lokasi gedung ini adalah di wilayah Denpasar dan termasuk wilayah gempa kuat berfungsi sebagai gedung rumah sakit, ukuran denah 12,25 m x 20,75 m, dengan 4 lantai struktur dan tinggi gedung 15,55 m. Perencanaan gedung meliputi perencanaan pelat atap, pelat lantai, tangga, balok, kolom dan pondasi. Gaya-gaya dalam akibat beban mati, hidup, air hujan, dam gempa dilakukan dengan bantuan software SAP 2000 v.11 dalam bentuk analisa struktur portal 3 dimensi.  
THE ROLE OF VERTICAL HOLINESS IN THE MULTI-STOREY INFRASTRUCTURE DESIGN I Made Sastra Wibawa; I Wayan Redana; Putu Alit Suthanaya; Ngakan Made Anom Wiryasa
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 9 No. 1 (2020)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.579 KB) | DOI: 10.22225/pd.9.1.1671.11-24

Abstract

The increasing number of residents demands the provision of settlement facilities and infrastructure. Limited land is an obstacle to the development in the horizontal direction, especially the use of green open land which will cause land conversion. The limitation of the building height regulated by local regulations, as well as the local wisdom, namely vertical holiness can be a challenge related to the idea of building multi-storey buildings. When you want to enter the lower floors of the building, there is a feeling of doubt because there are other residents on the upper floors who step over. This study aims to reveal the relationship of vertical holiness with multi-storey building design and formulate vertical holiness as an effort to implement it in a design so that it can be accepted by the community. This study uses a methodology to examine the problem by interviewing the stakeholders and filling out the questionnaire, therefore, the relationship between vertical holiness and multi-storey building design can be obtained. The results of the study clearly confirm that there is indeed a correlation between vertical holiness and multi-storey building design. Thus, the design should pay attention to this vertical holiness. The study also encourages that the formulation of vertical holiness should be legally stated in regulation so that it is easily understood and accepted by the community.
ANALISIS FAKTOR PENYEBAB CONTRACT CHANGE ORDER DAN PENGARUHNYA TERHADAP KINERJA PELAKSANAAN PROYEK KONSTRUKSI DI LINGKUNGAN PEMERINTAH KABUPATEN BADUNG GAP Candra Dharmayanti; IMG Bayu Janasuputra; Ngk. Md. Anom Wiryasa
JURNAL SPEKTRAN Vol 9 No 2 (2021)
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRAN.2021.v09.i02.p06

Abstract

Badung Regency government has 116 activities in 2018 where there were 77.5% experiencing Contract Change Order (CCO) during construction phase. This study aimed to analyze the influential factors of CCO on the construction project performanceand to formulate prevention strategies. Data was collected by distributing questionnaires to 55 respondents. Data was analysed using RII and multiple linier regression methods. The most dominant factor causing the occurrence of CCO was the discrepancy between the project designand the field condition, as indicated bythe RII value of 0.735. The multiple linear regression analysis demonstrated that there were 5 dominant factors (the best predictors) that affect the project performance. Among the 5 factors, the discrepancy between the project design and the project field condition was indictaed as the most influential factor on the overall project performance in term of quality, cost and time. Based on separate regression analysischanges in the project work scopeor the project additional volume of work become the most influencing factors to the project quality.Strategies for preventing CCO was formulated based on interview with the experts, that cover conducting field survey to complete the required data, using BIM software to provide accurate volume of work, and synchronizing planning document to ensure the project design fulfilled the requirement of the building users.
ANALISIS KELEMBAGAAN KAWASAN STRATEGIS PARIWISATA NASIONAL (KSPN) DALAM PENYELENGGARAAN PENATAAN RUANG PROVINSI BALI Ngakan Made Anom Wiryasa; Preantjaya W.P; Darma Warsika
JURNAL SPEKTRAN Vol 6 No 1 (2018): Vol. 6, No. 1, Januari 2018
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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Abstract

Institutional dynamics is very much in line with the economic dynamics in which there are many interactions. The dynamics of the institutional nature is due to the change of society's values and culture in accordance with current conditions and situations. The objectives of this research are: (i) to identify institutional sources related to Besakih-Gunung Agung Area and surrounding areas as KSPN in organizing spatial planning; (ii) identifying sources of conflict or disharmony in the arrangement of Besakih-Gunung Agung and surrounding areas after being designated as a National Tourism Strategic Area. (iii) make recommendations on the settlement of institutional conflicts in the management of the Besakih Area spatial arrangement. This study refers to empirical approaches (empirical approaches), because the research instrument tends to be designed to approach qualitative design. To obtain data and information from resource persons using semi-structured interviews. Conclusion: conflict of institutional sources: (i) Space / spatial Matra limitation; (ii) the limitations of the RTRW and no Zoning Rules yet. Recommendation: (i) to complete and socialize zonation regulations and / or Detail Plan for Besakih-Gunung Agung and surrounding areas; (ii) complement the RTRWP derivative relating to detail plan of Bali provincial strategic area (KSPN Pura Besakih-Gunung Agung and surrounding areas); (iii) existing institutional empowerment in the framework of orderly control of space and (iv) the development of tourism facilities based on the potential of nature tourism, culture, and especially religious or spiritual tourism. Keywords: institutional, RTRW (Spatial Plan), KSPN (National Tourism Strategic Area)
ANALISIS TINGKAT KEPUASAN ORGANISASI PERANGKAT DAERAH (OPD) DAN REKANAN TERHADAP KINERJA BIRO ADMINISTRASI PENGADAAN BARANG/JASA PEMERINTAH PROVINSI BALI Anak Agung Diah Parami Dewi; Ngakan Made Anom Wiryasa; I Gede Bayu Kurnia Atmaja
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

ANALYSIS OF SATISFACTION LEVEL ORGANIZATION LEVEL (OPD) AND PARTNERS TO PERFORMANCE BUREAU ADMINISTRATION PROCUREMENT OF GOVERNMENT SERVICES / PROVINCIAL SERVICES BALI ABSTRACT The performance accountability of the Procurement Administration Bureau of Bali Province is required in construction project tender process in order to avoid distrust of the partners as auctioneer. The purpose of this research is to analyze the level of satisfaction of Regional Work Agency and partner to the performance of the Procurement Administration Bureau and dominant factors that influence Regional Work Agency’s satisfaction and partners to Procurement Administration Bureau of Bali Province. The research was conducted at the Procurement Administration Bureau of Bali Province. Data collection was conducted using questionnaire survey. Questionnaires were administered to 51 respondents. Subsequently, data was analyzed using regression analysis. Data analysis shows that there is a significant influence of the satisfaction level of Regional Work Agency (OPD) to the performance of Procurement Administration Bureau of Bali Province with the level of significance a <0.05. There is also a significant influence of the satisfaction level of partners to the performance of Procurement Administration Bureau of Bali Province with the level of significance a <0.05. The most dominant factors affecting the partnership satisfaction are the dimensions of reliability with the value of Standardized Coefficients Beta of 23.8%, followed by empathy of 22.4%, tangible of 21.7%, responsiveness of 19.6% and assurance of 15.9 %. The most dominant factor affecting the satisfaction of Organization of Regional Device (OPD) is assurance dimension with Standardized Coefficients Beta value of 29.2%, followed by empathy of 25.1%, reliability of 20.5%, tangible of 17.6% and responsiveness of 15.8%.
KUAT TEKAN BETON GEOPOLIMER MENGGUNAKAN ABU TERBANG I Made Alit Karyawan Salain; Ngakan Made Anom Wiryasa; I Nym Mahendra Martha Adi Pamungkas
JURNAL SPEKTRAN Vol 9 No 1 (2021)
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRAN.2021.v09.i01.p09

Abstract

Semen merupakan bahan utama membuat beton, yang menghasilkan gas CO2 pada proses produksinya yang dapat mencemari lingkungan. Kebutuhan semen yang meningkat setiap tahunnya membuat semen lebih banyak diproduksi, sehingga perlu dilakukan inovasi membuat beton salah satunya beton geopolimer. Penelitian membuat beton geopolimer dengan bahan dasar abu terbang dan aktivator NaOH dan Na2SiO3. Gradasi butiran pasir dan koral dirancang, pada zona 2 dan gradasi koral dengan butiran maksimum 20 mm. persentase agregat dengan abu terbang dan aktivator sebesar 75%:25%. Perbandingan pasir dan koral digunakan 1:1,24. Dibuat 3 campuran C1,C2, dan C3 dengan persentase abu terbang dan aktivator sebesar C1, 70%:30%, C2 65%:35%, dan C3 60%:40%. Perbandingan Na2SiO3 dan NaOH sebesar 1:1.5 dengan molaritas NaOH 14 M. Beton dicetak kubus 15 cm x 15 cm, kemudian dipanaskan pada suhu 700C selama 24 jam. Pengujian kuat tekan beton dilakukan pada umur 7, 14, dan 28 hari masing masing menggunakan 3 benda uji. Penelitian bertujuan untuk mendapatkan campuran yang terbaik dan menghasilkan kuat tekan beton yang tertinggi. Hasil menyatakan bahwa pengurangan jumlah abu terbang dan penambahan aktivator meningkatkan nilai slump beton geopolimer, serta menurunkan kuat tekan beton geopolimer. Beton geopolimer mengalami peningkatan kuat tekan hingga 14 hari, hal ini terjadi pada beton C1, C2, dan C3. Pada umur 14 hari hingga 28 hari kuat tekan beton geopolimer tidak mengalami perkembagan, bahkan cenderung mengalami penurunan terutama pada beton C3. Campuran beton geopolimer yang terbaik terdapat pada beton C2, dengan kuat tekan sebesar 48,89 MPa pada umur 28 hari.
KUAT TEKAN BETON GEOPOLIMER MENGGUNAKAN ABU TERBANG I Made Alit Karyawan Salain; Made Ngakan Anom Wiryasa; I Nyoman Mahendra Martha Adi Pamungkas
JURNAL SPEKTRAN Vol 8 No 1 (2020): VOL. 8, NO. 1, JANUARI 2020
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (421.144 KB)

Abstract

Semen merupakan bahan utama membuat beton, yang menghasilkan gas CO2 pada proses produksinya yang dapat mencemari lingkungan. Perlu dilakukan inovasi untuk membuat beton salah satunya beton geopolimer. Penelitian membuat beton geopolimer dengan bahan dasar abu terbang dan aktivator NaOH dan Na2SiO3. Gradasi butiran pasir dan koral dirancang, pada zona 2 dan gradasi koral dengan butiran maksimum 20 mm. persentase agregat dengan abu terbang dan aktivator sebesar 75% : 25%. Perbandingan pasir dan koral digunakan 1 : 1,24. Dibuat 3 campuran C1, C2, dan C3 dengan persentase abu terbang dan aktivator sebesar C1 70% : 30%, C2 65% : 35%, dan C3 60% : 40%. Perbandingan Na2SiO3 dan NaOH sebesar 1 : 1.5 dengan molaritas NaOH 14 M. Beton dicetak kubus 15 cm x 15 cm x 15 cm, kemudian dipanaskan pada suhu 70oC selama 24 jam. Pengujian kuat tekan beton dilakukan pada umur 7, 14, dan 28 hari masing masing menggunakan 3 benda uji. Penelitian bertujuan untuk mendapatkan campuran yang terbaik dan menghasilkan kuat tekan beton yang tertinggi. Pengurangan jumlah abu terbang dan penambahan aktivator meningkatkan nilai slump beton geopolimer, serta menurunkan kuat tekan beton geopolimer. Beton geopolimer mengalami peningkatan kuat tekan hingga 14 hari, hal ini terjadi pada beton C1, C2, dan C3. Pada umur 14 hari hingga 28 hari kuat tekan beton geopolimer tidak mengalami perkembagan, bahkan cenderung mengalami penurunan terutama pada beton C3. Campuran beton geopolimer yang terbaik terdapat pada beton C2, dengan kuat tekan sebesar 48,89 MPa pada umur 28 hari.
SIFAT MEKANIS BETON DENGAN SUBSTITUSI PARSIAL SERBUK BATU BATA PADA SEMENPORTLAND I Made Suparta; I Made Alit Karyawan Salain; Ngakan Made Anom Wiryasa
JURNAL SPEKTRAN Vol 6 No 1 (2018): Vol. 6, No. 1, Januari 2018
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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Abstract

Waste bricks powder is pozzolan a material which contain silica and alumina activated that could react with the Portland cement (SPI). Compounds content SiO2 + Al2O3 + Fe2O3 bricks powders from Desa Oebelo of 91%. The pozzolan materials pass quality specifications according to ASTM C618 where the amount of compounds SiO2 + Al2O3 + Fe2O3 at least 70%. This research is to use of waste brick powder as a pozzolan material in concrete mixtures. Research on the mechanical properties of concrete with brick powder (SBB) as a partial substitution on the Portland cement (SPI) has been realized using cylindrical specimens of diameter = 150 mm and height = 300mm. The specimens were made by using a proportion, by weight, of 1.0 binder: 2.0 sand: 3.0 crushed stone and water binder ratio of 0.5. The binder was made by a mixture of SPI and SBB. The percentage of SBB in the binder varied: 0%, 10%, 20% and 30% by total weight of the binder. Thegrain distribution of sand and crushed stone were designed according to SNI 03-2834-2000 to meet respectively the gradation zone 2 for fine aggregate and the granules with a maximum diameter of 20 mm for coarse aggregate. The test of concrete mechanical properties included compressive strength, modulus of elasticity and split tensile strength and realized atthe specimen’s age of 28, 56, and 90 days respectively using three specimens for each test.The test result shows that the positive reaction of brick powderas a pozzolanic material can only be noted after the hydration age of 90 days. The development of compressive strength, modulus of elasticity and split tensile strength depend on the percentage of SBB used in the binder. In fact, the use of 10%SBB in the binder produce compressive strength, modulus of elasticity and split tensile strength respectively about 97%, 94%, and 98% compared to those produced using 100% SPI. This interesting performance could be strongly related to the pozzolanic effect of SBB on the long term of hydration. Keyword:brick powder, compressive strength, modulus of elasticity, split tensile strength
STUDI PERANCANGAN PRODUKSI PAPAN BUBUTMEN K Antriksa; I M. Alit K Salain; N. M. Anom Wiryasa
JURNAL SPEKTRAN Vol 4 No 1 (2016): Vol. 4, No. 1, Januari 2016
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (726.858 KB) | DOI: 10.24843/SPEKTRAN.2016.v04.i01.p10

Abstract

Abstract: Research on the design study of the "Bubutmen" board production (bamboo, coir fiber and cement), serves as a separator material in buildings. The objective of design includes architecture function and financial feasibility. Architecture functions include water absorption, shape, size, and weight of the "Bubutmen” board. Financial feasibility includes selling price, profit, production quantity at the breakeven point and the availability of raw materials. Availability of raw materials is calculated based on statistical data until 2016. Mechanical functions include the maximum load on the license "Bubutmen" board than Yumen board. The design aspects of water absorption and weight "Bubutmmen" board carried through hollow bamboo frame design and mix plastering with cement weight ratio, coir fiber and water is 5: 1: 3.167. The design aspects of the shape and size of the print is done through a planning tool. The design is done through the financial aspects of fuel efficiency and effectiveness of the production process.The design of the technical aspects of planning through the hollow bamboo frame, designed two variants namely "model 1" consists of 12 pieces of bamboo rods long, "Model 2" consists of 7 pieces of a long bamboo rods. The results of the design "Bubutmen" board "Model 1" acquired 24 585% water absorption and "Model 2" 15.135%. The form of a board with a length of 2400 mm, width 600 mm and 30 mm thick. Heavy "Bubutmen" board "Model 1" of 38.250 kg and "Model 2" amounting to 43.486 kg. Availability of raw materials until 2016 are eligible needs so worthy produced. The results of the financial feasibility "Model 1" full production system with a selling price of Rp 115,806.17 / unit, profit Rp 17,546.39 and the amount of production at the breakeven point 75 units. "Model 2" full production system with a selling price of Rp 113,486.14 / unit, profit Rp 17,194.87 and the amount of production at the breakeven point 76 units. "Model 1" production system of semi-finished materials with the selling price of Rp 113,628.17 / unit, profit Rp 17,216.39 and the amount of production at the breakeven point 76 units. "Model 2" production system of semi-finished materials and selling price Rp111.638,14 / unit, profit Rp 16914.87 and the amount of production at the breakeven point 77 production units. The results of the maximum load on the deflection permit Yumen board is 51.07 kg, "Model 1" 32.72 kg and "Model 2" 55.94 kg.
PENGGUNAAN SERBUK BATU TABAS SEBAGAI PENGGANTI SEBAGIAN SEMEN DALAM PEMBUATAN BETON I W. Intara; I M. Alit K. Salain; N. M. Anom Wiryasa
JURNAL SPEKTRAN Vol 1, No 1, Januari 2013
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (67.454 KB) | DOI: 10.24843/SPEKTRAN.2013.v01.i01.p01

Abstract

Research on the use of stone dust (SDT) as a partial replacement of Ordinary Portland Cement (OPC) has been carried out by using cylindrical concrete specimens with Ø = 150 mm and h = 300 mm. Specimens were made by using the ratio, in weight, of cementitious material : sand : crushed stone of 1.00 : 1.93 : 2.67. The water cementitious material ratio is of 0.52. The cementitious material is a mixture of OPC and SDT. The percentage of OPC replacement by SDT varied from 0%-25%. The distribution of grains of sand and crushed stone are designed according to SNI 03-2384-2000: gradation zone 2 for fine aggregate and gradation with a maximum diameter of 20 mm for coarse aggregate. The tests of compressive strength, elastic modulus, tensile strength and permeability on the cylindrical specimens were realized at 28 and 56 days. The result indicates that SDT shows a good pozzolanic reactivity in terms of compressive strength, elastic modulus, tensile strength and permeability. Therefore, it can be used as a component of Portland Cement Composite. The development of compressive strength, elastic modulus, tensile strength and permeability of concrete produced with a mixture of OPC and SDT depends on the amount of SDT used in the mixture and hydration time. The pozzolanic effect of SDT can only be seen at the age of 56 days. The optimal use of SDT as a partial replacement of OPC in concrete applications varied from 5%-10%.
Co-Authors A. A. Diah Parami Dewi A.A.G.K. Kusuma W Agus Surya Wedasana Darma Warsika Dharmayanti, Gusti Ayu Putu Candra Drs. I Wayan Darsana,M.Ed . I Dewa Gede Muliartha I Gede Bayu Kurnia Atmaja I Made Alit Karyawan Salain I Made Sastra Wibawa I Made Suparta I Nym Mahendra Martha Adi Pamungkas I Nyoman Mahendra Martha Adi Pamungkas I Nyoman Sugita I P. Alit Suthanaya I W. Intara I W. Sudarsana I Wayan Redana I Wayan Sastrawan I.B. Dharma Giri Ida Ayu Made Budiwati IMG Bayu Janasuputra K Antriksa Preantjaya W.P Restu Wiro Rudiatmoko