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All Journal Jurnal Teknik Sipil dan Perencanaan Jurnal Konstruksia Jurnal Teknik Sipil Teras Jurnal Civil Engineering Dimension FROPIL (Forum Profesional Teknik Sipil) PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Gema Ngabdi Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Spektrum Sipil Journal Of World Science Jurnal Wicara Desa
Ngudiyono Ngudiyono
Jurusan Teknik Sipil Fakultas Teknik, Universitas Mataram
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Transportation

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SIMULASI BEBAN RUNTUH LERENG DENGAN METODE ELEMEN HINGGA (FINITE ELEMENT METHOD) MENGGUNAKAN PROGRAM ABAQUS SE (STUDI KASUS LERENG VILLA SENGGIGI) Tri Sulistyowati; Didi Supriyadi Agustawijaya; Ismail Hoesain Muchtaranda; Agung Prabowo; Muhajirah Muhajirah; Ngudiyono Ngudiyono
Konstruksia Vol 13, No 2 (2022): Jurnal Konstruksia Vol 13 No. 2 Tahun 2022
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jk.13.2.23-32

Abstract

Senggigi merupakan salah satu kawasan pariwisata unggulan di Pulau Lombok. Sebagai daerah pariwisata banyak dibangun tempat tinggal penduduk, hotel, vila, jalan, dan lain-lain. Berdasarkan kondisi morfologi  merupakan daerah pesisir pantai yang berbukit-bukit, sehingga salah satu alternatif pengembangan kawasan pariwisata adalah ke daerah perbukitan dengan beberapa pertimbangan antara lain keterbatasan lahan, faktor lokasi yang strategis dan faktor estetika.  Secara geologi perbukitan di Senggigi tersusun dari endapan vulkanik dan sedimen yang mempunyai sifat pelapukan yang cukup tinggi dan rentan terhadap bahaya longsor. Hal ini perlu kiranya diantisipasi dengan melakukan analisa untuk menentukan beban runtuh yang diijinkan. Pada penelitian ini, proses simulasi besaran beban runtuh yang diijinkan agar tidak menimbulkan kelongsoran lereng, dilakukan dengan metode elemen hingga menggunakan program ABAQUS SE, untuk menganalisis tegangan, regangan dan deformasi yang terjadi. Analisis stabilitas lereng dilakukan pada kasus lereng Villa Senggigi dengan metode Shear Strength Reduction (SSR) dimana model konstitutif tanah diasumsikan mengikuti kriteria Mohr-Coulomb dengan parameter input : berat volume (g), sudut geser dalam (f), kohesi ( c ), modulus elastisitas ( E ), Poisson rasio  (n) dan sudut dilatasi (y). Simulasi pembebanan dilakukan dengan variasi beban sebesar : 0 kPa (tanpa beban), 50 kPa, 75 kPa, 100 kPa, 125 kPa, 150 kPa, 175 kPa, dan 200 kPa. Berdasarkan hasil simulasi pembebanan terhadap stabilitas lereng beban runtuh yang dijinkan diatas puncak lereng Villa Senggigi adalah 200 kPa dengan faktor keamanan  FOS = 1.5 dan displacement = 1,297 m.
PENGARUH TEMPERATUR TINGGI TERHADAP KUAT LEKAT DAN INITIAL CORROSION TULANGAN BAJA DALAM BETON Ngudiyono Ngudiyono; I Nyoman Merdana; Fathmah Mahmud; Ni Nyoman Kencanawati; Miko Eniarti
Konstruksia Vol 13, No 2 (2022): Jurnal Konstruksia Vol 13 No. 2 Tahun 2022
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jk.13.2.33-41

Abstract

Kebakaran pada gedung beton bertulang, menyebabkan kualitas beton mengalami penurunan, hal ini disebabkan karena jumlah pori-pori kosong dalam beton semakin bertambah. Pori-pori kosong memudahkan air meresap ke dalam beton dan jika air tersebut mengandung asam, basa dan senyawa klorida akan menyebabkan terjadinya korosi pada tulangan baja di dalam beton. Penelitian dilakukan dengan ekperimental. Tulangan baja diamter 10 mm ditanam di dalam beton berbentuk kubus ukuran 100 x 100 x 100 mm sepanjang 50 mm dengan variasi kuat tekan 17.5 MPa, 20 MPa dan 30 MPa. Setelah benda uji mencapai umur 28 hari, benda uji dibakar pada suhu sekitar 4000C selama 1 jam menggunakan tungku pembakaran. Untuk mempercepat proses korosi, benda uji direndam di air yang telah ditambahkan NaCl sebesar 5% selama 24 jam dan dialiri arus DC sebesar 12 Volt. Uji korosi dengan metode half cell potential dengan cara mengukur beda potensial dengan Multitester. Selanjutkan dilakukan pengujian tegangan lekat dengan uji pull out. Hasil penelitian menunjukkan bahwa, akibat temperatur tinggi 4000C, menyebabkan penurunan tegangan lekat tulangan baja dalam beton dengan kuat tekan (f’c) 17.5 MPa, 20 MPa, 30 MPa berturut-turut sebesar 69.09%, 64.07%, 62.02% atau rata-rata 65.07% dibandingkan beton prabakar. Hasil pengujian korosi menunjukan bahwa initial corrosion tulangan baja dalam beton prabakar maupun pascabakar memiliki tingkat resiko korosi 90% atau tinggi karena beda potensial untuk semua benda uji < -350 mV. Akan tetapi jika dilihat dari beda potensial, tulangan baja dalam beton pasca bakar lebih rendah daripada beton prabakar, kecuali beton dengan kuat tekan 30 MPa.
Pelatihan Pemanfaatan Ban Bekas sebagai Pondasi Tahan Gempa di Desa Jenggala, Kabupaten Lombok Utara: Training on the Utilization of Used Tires as Earthquake-Resistant Foundations in Jenggala Village, North Lombok Regency Tri Sulistyowati; Didi Supriyadi Agustawijaya; Miko Eniarti; Ismail Hoesain Muchtaranda; Agustono Setiawan; Ngudiyono Ngudiyono
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 8 No. 3 (2023): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v8i3.4808

Abstract

Jenggala Village is one of the villages in North Lombok Regency that was affected by the 2018 Lombok earthquake. Most damage to buildings and houses was caused by noncompliance with earthquake-resistant building standards. As the lower structure, the foundation is essential to distribute the structure's load, preferably given a layer that dampens vibrations. Used tires are an alternative material that can reduce seismic vibrations and be used as an earthquake-resistant house foundation. This community service project aims to raise public awareness about earthquake-resistant houses by using used tires as a foundation to reduce seismic vibrations. The methods used in this service activity are the lecture approach, discussion, question-and-answer sessions, and demonstrations with the foundation model made from used tires. The approach used is a participatory approach that is oriented towards efforts to increase community participation. The preparation stage, the implementation stage, and the evaluation stage are the activity stages. Based on the results of the community service activities, it was shown that the participants understood the training material for making earthquake-resistant foundations from used tires because the material was easy to obtain and very easy to manufacture. Partners have high motivation to participate in training. They are willing to share the training results with other community members so that using used tires as earthquake-resistant house foundations can support the post-earthquake rehabilitation and reconstruction process in all earthquake-affected areas in North Lombok Regency.
Pengaruh Ukuran Agregat Kasar dan Rasio Semen Terhadap Pasir Pada Kuat Tekan Pre-Placed Aggregate Concrete Ngudiyono, Ngudiyono; Murtiadi, Suryawan; Kencanawati, Ni Nyoman; Merdana, I Nyoman; Mahmud, Fathmah; Sulistyowati, Tri; Aprilia, Uswatun
Konstruksia Vol 15, No 2 (2024): Jurnal Konstruksia Vol 15 No. 2 Tahun 2024
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jk.15.2.49-55

Abstract

Pre-placed aggregate concrete (PAC) merupakan beton yang diproduksi dengan cara menempatkan agregat kasar dalam cetakan terlebih dahulu kemudian bahan grouting atau mortar diinjeksikan ke dalam rongga-rongga di antara agregat kasar tersebut. Salah satu faktor yang mempengaruhi volume rongga adalah ukuran agregat kasar yang digunakan. Pada penelitian ini telah dikaji pengaruh ukuran agregat kasar dan rasio semen terhadap pasir pada kuat tekan PAC. Penelitian ini menggunakan agregat kasar ukuran 38 mm, 30 mm, dan 20 mm dan sebagai bahan grouting adalah mortar dengan variasi perbandingan semen terhadap pasir (S/P) 2, 1.33, 1, 0.8, 0.67. Benda uji kubus ukuran 5 x 5 x 5 cm sebanyak 15 buah  untuk mengetahui kuat tekan mortar dan benda uji PAC berbentuk kubus ukuran 15 x 15 x 15 cm sebanyak 45 buah dibuat untuk mengetahui kuat tekan PAC. Metode grouting yang digunakan dalam pembuatan benda uji yaitu manual pumping.  Hasil pengujian PAC menunjukkan bahwa nilai kuat tekan tertinggi pada agregat kasar ukuran 38 mm dengan S/P = 2 sebesar 56.32 MPa, sedangkan, kuat tekan terendah pada pada agregat kasar ukuran 20 mm dengan S/P = 0.67 sebesar 34.68 MPa. Dari hasil tersebut dapat disimpulkan bahwa penggunaan agregat kasar dengan ukuran yang lebih besar dan dengan semen lebih banyak dapat meningkatkan kuat tekan PAC. 
Sosialisasi Penggunaan Kawat Anyaman Pada Bangunan Tahan Gempa Di Desa Karang Bayan Kabupaten Lombok Barat Mahmud, Fathmah; Hariyadi, Hariyadi; Merdana, I Nyoman; Ngudiyono, Ngudiyono; Kencanawati, Ni Nyoman
Jurnal Gema Ngabdi Vol. 6 No. 1 (2024): JURNAL GEMA NGABDI
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jgn.v6i1.389

Abstract

In Lombok, West Nusa Tenggara, major earthquakes triggered by transform margin or plate shift often arise, leading to casualties, not only claiming lives but also affecting the livelihood of locals. Karang Bayan Village is a region division of Segerongan Village, these areas are often affected by major earthquakes, the last one took place not too long ago, in 2018. Due to its area located on the mountain slope of Rinjani, Karang Bayan has captivating scenery with a rather mild temperature, making it a perfect tourist destination. Karang Bayan offers various tourist attractions, starting from tours of traditional houses, durian orchards, horse riding, rafting, waterfalls, and many more to explore around the village. To boost tourism, Karang Bayan needs to establish proper accommodations along with other tourist facilities like restaurants. Ferrocement-coated buildings are suitable options considering their strength to withstand an earthquake. Mesh wire application on a ferrocement is more economical and practical compared to applying reinforced columns, reinforced beams, or beam-column joints reinforcement detailing. Both planning and construction are integral parts of founding strong buildings, miscalculations will pose threats to the inhabitants of the building. Karang Bayan community has limited knowledge of mesh-wired ferrocement walls for earthquake-resistant buildings, this community service is carried out in the hope people of Karang Bayan will be capable of constructing earthquake-resistant buildings with mesh-wired ferrocement walls. Positive feedback is shown by enthusiastic discussion between the Karang Bayan community with the community service team.
Stress Analysis of Pin Connections in Steel Box Girder with the Unibridge System using Finite Element Model Ayu Sinta Aprilia; Ali Awaludin; Suprapto Siswosukarto; Ngudiyono Ngudiyono
Civil Engineering Dimension Vol. 26 No. 1 (2024): MARCH 2024
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.26.1.91-100

Abstract

This study analyzes the Unibridge system, a modular steel box girder employing two pins for longitudinal connections, thereby expediting construction compared to traditional girders. A finite element model was developed to analyze the stress on these pins in a single-box girder with five segments and a reinforced concrete floor slab. Various loads were applied following the Indonesian bridge loading standard, SNI 1725:2016. The model considers operational load analysis and assumes full composite behaviour between the top flanges of the girder and the concrete floor slab. The results indicate that the Von-Mises stress on the pins reaches a maximum of 490.95 MPa under combined service loads, consistently remaining below the specified material yield stress limit of 1200 MPa. Consequently, the Demand Capacity Ratio (DCR) is 0.41. As a result, the Unibridge girder connection pins do not experience plastic deformation under the applied loads.
MENGGUGAH KESADARAN MASYARAKAT DALAM PENGELOLAAN SAMPAH MELALUI PEMBUATAN BAK SAMPAH DAN PLANG HIMBAUAN DI KELURAHAN PANJI SARI, KECAMATAN PRAYA LOMBOK TENGAH Fatmayanti, Fatmayanti; Husnawati, Nila; Alieni, Karimannisa; Aulia, Natasya Difa; Paramesty, Ristawidya; Bahtiar, Gian Agisna; Hudaeri, Huzrullah; Azima, M. Fauzan; Khoarizmi, M. Syatho; Ngudiyono, Ngudiyono
Jurnal Wicara Vol 1 No 5 (2023): Jurnal Wicara Desa
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/wicara.v1i4.3395

Abstract

Kuliah Kerja Nyata (KKN) is a form of community service activities carried out by universities. In KKN activities carried out in Panji Sari Village, Praya District, Central Lombok Regency, groups of students and lecturers of Mataram University carry out various activities with the main target of Village Community Empowerment. Panji Sari is one of the villages located in Praya District, Central Lombok Regency, West Nusa Tenggara Province with an area of 118.33 Ha. The large area in the village also has environmental problems. The lack of public awareness of waste owned by this region is very alarming, this is due to the absence of Waste Disposal Sites (TPS) and Signs of Appeal for orderly waste disposal. Therefore, to increase public awareness of the dangers of waste and as a step towards a clean environment and minimize community littering, the KKN-PMD team made bamboo garbage bins and environmental appeal signs. The method used in this activity is counseling and demonstration. The community paid attention to the material presented during the socialization and then continued with the demonstration of making and assisting in making garbage bins and appeal signs. From the evaluation results, it was found that the community felt helped by this activity and gained knowledge about the dangers of waste for the surrounding environment.
PENERAPAN DIGITAL MARKETING SEBAGAI UPAYA UNTUK MENINGKATKAN PENDAPATAN UMKM: STUDI KASUS PEMASARAN KAIN TENUN DI DESA PRINGGASELA Haq, Habil; Nurlaili, Nurlaili; Sari, Adinda Kumala; Yuhinis, Baiq Ilil; Iqbal, Iqbal; Wicaksana, M. Arman Adhi; Febrianti, Ni Luh Riska; Moerad, Siti Huwayda; Prajasa, Syakira Mala; Ngudiyono, Ngudiyono
Jurnal Wicara Vol 2 No 5 (2024): Jurnal Wicara Desa
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/wicara.v2i5.5558

Abstract

Pringgasela is one of the villages in East Lombok regency that has strength in the development of MSMEs (micro, small and Medium Enterprises). One of the mainstay business sectors in Pringgasela Village is weaving, various activities have been carried out to identify and provide solutions to existing problems, activities begin with observations and interviews with local people, especially weaving cloth craftsmen and MSME actors. The identification results show that although Pringgasela village has great potential in MSMEs, especially in the production of woven fabrics, there are significant constraints in market access, caused by the lack of utilization of digital media. In response to these problems, the solution implemented is to organize socialization and training focused on improving the use of digital media as a marketing method. It is expected that the program can increase the income and welfare of the community, especially MSME actors. This Program shows that the use of digital technology can be an effective solution in overcoming economic challenges in the village, as well as strengthening existing local potential.
Effect of Using Styrene Butadiene Rubber (SBR) on Physical, Mechanical, and Microstructure Properties of Recycled Coarse Aggregate Concrete Heating Grinding Method Syahrani, Iram; Kencanawati, Ni Nyoman; Ngudiyono, Ngudiyono; Eniarti, Miko
Journal of World Science Vol. 4 No. 4 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i4.1345

Abstract

Concrete is a widely used material in civil engineering projects. However, the excessive use of natural coarse aggregates can disrupt environmental balance and generate non-biodegradable concrete waste. An innovative solution to this problem is the use of recycled coarse aggregates. Nevertheless, recycled aggregates often cause microcracks and weak interface transition zones (ITZ) due to the presence of old mortar. This study aims to evaluate the effect of SBR additives on the physical, mechanical, and microscopic properties of concrete using recycled coarse aggregates processed through the heating-grinding (H-G) method, compared to conventional concrete. The research was conducted by varying the SBR content at 0%, 2.5%, 5%, and 10% by weight of mixing water. The results show that H-G concrete with 5% SBR content demonstrated the best performance, closely approaching the properties of normal concrete. Improvements were observed in compressive strength by 5.40%, split tensile strength by 0.59%, modulus of elasticity by 8.59%, and a reduction in water absorption by 5.02% compared to H-G concrete without SBR. Scanning Electron Microscope (SEM) analysis also indicated that the addition of SBR effectively minimized microcracks and improved the quality of the ITZ. In conclusion, the addition of 5% SBR to recycled aggregate concrete significantly enhances its physical and mechanical properties, providing a promising alternative for sustainable construction. The implication of this study is the potential broader application of recycled aggregates with SBR additives to reduce the environmental impact of concrete production.
PEMBUATAN BATU BATA RINGAN DARI SAMPAH PLASTIK DAN CAMPURAN FLY-ASH SEBAGAI BENTUK PENGELOLAAN SAMPAH DI DESA WISATA BONJERUK Anang Fakhrrurahman; Kumala, Malya; Rosalia, Lutfiah Ayu; Siptiani, Eka; Ambarwati, Zaskia Putri; Hamsy, Lalang Setiawan; Setiawan, Yahya; Sari, Mauliya Alina; Jannah, Rafaatul; Misrohatun, Misrohatun; Mahendra, Yusril Iza; Ngudiyono, Ngudiyono
Jurnal Wicara Vol 3 No 2 (2025): Jurnal Wicara Desa
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/wicara.v3i2.6768

Abstract

The Community Service Program (KKN) of Mataram University in Bonjeruk Village aims to address the issue of plastic waste management by educating the community on utilizing waste into economically valuable products. One of the proposed solutions is training in the production of lightweight bricks made from plastic waste mixed with fly ash from the Jeranjang Steam Power Plant (PLTU Jeranjang). The activities are carried out through a participatory approach, involving the community in various stages, including an initial survey, socialization, training, mentoring, as well as documentation and publication. The brick-making process includes burning plastic waste, mixing it with fly ash and used oil, molding, cooling, and drying before it is ready for use. The results of this program indicate that processing plastic waste into lightweight bricks can be an innovative and sustainable solution for reducing waste while also providing economic opportunities for the people of Bonjeruk Village.
Co-Authors Achmad Basuki Agung Prabowo Agustono Setiawan Ainuddin, Nurun Ali Awaludin Ali Awaludin Ali, Ahmad Muhammad Alieni, Karimannisa Ambarwati, Zaskia Putri Anang Fakhrrurahman Aprianingsih, Lia Aprilia, Uswatun Aulia, Natasya Difa Ayu Sinta Aprilia Azima, M. Fauzan Bahtiar, Gian Agisna Baiq Elny Susanti Buan Anshari Desi Widianty Didi Supriyadi Agustawijaya Eniarti, Miko Fathmah - Mahmud Fathmah Mahmud Fatmayanti, Fatmayanti Febrianti, Ni Luh Riska Fradana, Yaya Hamsy, Lalang Setiawan Haq, Habil Hariyadi Hariyadi Hariyadi, Hariyadi Hariyadi, Hariyadi Heni Pujiastuti Hudaeri, Huzrullah Husnawati, Nila I Made Merdana I Nyoman Merdana Ika Kurnia Mustika Iqbal Iqbal Ismail Hoesain Muchtaranda Jannah, Rafaatul Jauhar Fajrin, Jauhar Joedono, Joedono Khoarizmi, M. Syatho Kumala, Malya Mahendra, Yusril Iza Mahmud, Fathmah Mahmud, Fatmah Maulana, Olan Merdana, I Nyoman Merdana, INyoman Miko Eniarti Misrohatun, Misrohatun Moerad, Siti Huwayda Muhajirah Muhajirah Natasya, Rahma Dwi Ni Nyoman Kencanawati Novia Hilda Silviani Nurlaili Nurlaili Paramesty, Ristawidya Prajasa, Syakira Mala Rawiana, Shofia Rosalia, Lutfiah Ayu Sari, Adinda Kumala Sari, Mauliya Alina Setiawan, Yahya Siptiani, Eka Suprapto Siswosukarto Suryawan Murtiadi Suryawan Murtiadi, Suryawan Syahrani, Iram Tri Sulistyowati Tri Sulistyowati Wicaksana, M. Arman Adhi Yuana Pratiwi Ningsih Yuhinis, Baiq Ilil