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All Journal Jurnal Ilmiah Elektronik Infrastruktur Teknik Sipil Jurnal Ilmiah 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

Author-ID : 2921682

Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Environmental Science Mechanical Engineering

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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

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)

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (486.38 KB)

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

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

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%.

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

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.

UPAYA PENINGKATAN PROGRAM BANTUAN STIMULAN PERUMAHAN SWADAYA (BSPS) DI KABUPATEN TABANAN I Wayan Sastrawan; Gusti Ayu Putu Candra Dharmayanti; Ngk. Md. Anom Wiryasa
JURNAL SPEKTRAN Vol 10 No 2 (2022)
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.2022.v10.i02.p06

Rumah Layak Huni yang merupakan kebutuhan dasar manusia sehingga Pemerintah perlu lebih berperan dalam menyediakan dan memberikan kemudahan dan bantuan perumahan yang berbasis kepada keswadayaan bagi mereka yang tergolong Masyarakat Berpenghasilan Rendah (MBR). Pemerintah Kabupaten Tabanan melalui RPJMD telah merencanakan Program Rehabilitasi RTLH dari tahun 2016 sampai dengan 2020 melalui Program Bantuan Stimulan Perumahan Swadaya (BSPS) sebanyak 3.325 unit. Namun, berdasarkan Laporan Kinerja Instansi Pemerintah (Lakip) Dinas Pekerjaan Umum Penataan ruang, Perumahan dan Kawasan Permukiman (PUPRPKP), target tersebut tidak tercapai, sehingga pelaksanaan program BSPS di Kabupaten Tabanan perlu di evaluasi. Penelitian ini bertujuan untuk mengevaluasi pelaksanaan program BSPS selama kurun waktu tahun 2016 – 2020, serta untuk merumuskan upaya peningkatan pelaksanaan program BSPS tersebut. Penelitian ini menggunakan metode kualitatif. Data pada penelitian ini terdiri dari data sekunder berupa RPJMD, Renstra, Lakip dan dokumen BSPS Kabupaten Tabanan. Sedangkan data primer berupa hasil wawancara menggunakan instrument daftar pertanyaan untuk mengevaluasi pelaksanaan dan permasalahan terkait program BSPS, serta metode focus group discussion (FGD) untuk merumuskan upaya peningkatan pelaksanaan program BSPS. Evaluasi program BSPS mengacu pada perencanaan RPJMD dan BSPS yang mencakup 6 indikator yaitu sosialisasi, anggaran (rencana anggaran), tepat sasaran (obyek penerima bantuan), tepat tujuan (obyek konstruksi), tepat waktu, efisiensi (realisasi anggaran). Hasil evaluasi menunjukkan Program BSPS dalam kurun waktu 2016 sampai dengan 2020 telah memenuhi indikator sosialisasi, tepat sasaran dan tepat waktu. Namun Program BSPS belum tercapai ditinjau dari indikator anggaran, efisiensi dan indikator tepat tujuan. Tidak tercapainya indikator anggaran, tepat tujuan dan efisiensi disebabkan oleh kurangnya alokasi anggaran pada program BSPS, sehingga perlu diupayakan penambahan alokasi anggaran dari Pemerintah pusat, pendampingan anggaran dari Pemerintah Propinsi dan Kabupaten serta partisipasi dari CSR (CorporateSocial Responsibility). Kata kunci: Efektifitas, efisiensi, MBR, RTLH

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

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