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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Ilmu Lingkungan Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Techno: Jurnal Penelitian Rekayasa Sipil Jurnal Teknik Sipil Jurnal Teknik Sipil JURNAL SIPIL SAINS Teras Jurnal JURNAL SIMETRIK Simposium II UNIID 2017 Rancang Bangun IJEBD (International Journal Of Entrepreneurship And Business Development) SIKLUS: Jurnal Teknik Sipil Journal of Science and Engineering Jurnal Rekayasa Konstruksi Mekanika Sipil Stabilita : Jurnal Ilmiah Teknik Sipil Fakultas Teknik Universitas Halu Oleo Kendari Jurnal Teknik Sipil dan Teknologi Konstruksi Jurnal Kacapuri : Jurnal Keilmuan Teknik Sipil Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Jurnal Abdimas Kartika Wijayakusuma CLAPEYRON: Jurnal Ilmiah Teknik Sipil Jurnal Karajata Engineering Teknologi Sipil : Jurnal Ilmu Pengetahuan dan Teknologi Jurnal Pengabdian Khairun
Mufti Amir Sultan, Mufti Amir
Prodi Teknik Sipil Universitas Khairun
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Efek Perkuatan Glass Fiber Reinforce Polymer Sheet Pada Balok Beton Bertulang Dengan Tulangan Korosi Sultan, Mufti Amir; AR, Ridwan; Gaus, Abdul
Teras Jurnal : Jurnal Teknik Sipil Vol. 12 No. 1 (2022): Volume 12 Nomor 1, Maret 2022
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v12i1.694

Abstract

Abstrak Artikel ini menyajikan tentang balok beton bertulang yang tulangannya telah korosi kemudian diberi perkuatan ekternal berupa serat glass tipe lembaran atau Glass Fiber reinforced Polymer-Sheet (GFRP-S). Pada studi ini variabel berdasarkan variasi tingkat korosi pada tulangan. Lima macam benda uji yang digunakan berbentuk balok dengan dimensi 15x20 cm panjang 160 cm. Tulangan utama yang digunakan besi f12 dan tulangan sengkang f8-100. Mutu beton digunakan 25 MPa. Balok beton bertulangan normal tanpa perkuatan sebagai balok kontrol (BN), balok beton bertulangan normal dengan perkuatan GFRP-S (BP), balok beton bertulangan korosi dengan perkuatan GFRP-S (BPK), variasi waktu pengkorosian tulangan selama 2 minggu (BPK2), 4 minggu (BPK4) dan 6 minggu (BPK6) dengan metode perendaman pada larutan asam sulfat 2,0%. Balok diperkuat GFRP-S pada daerah Tarik di bagian bawah balok. Pengujian lentur dengan twopoint load. Hasil penelitian menunjukkan bahwa balok beton bertulang yang diperkuat dengan GFRP-S mempunyai kapasitas lebih besar dibandingkan dengan balok normal sebesar 12,07%. Balok beton bertulang dengan tulangan tingkat korosi lebih besar (pengkorosian 6 minggu) cenderung menurunkan kapasitas balok namun kapasitasnya masih lebih besar dari balok normal sebesar 1,38%. Kata kunci: balok beton, tulangan korosi, asam sulfat, GFRP-S  Abstract This article presents about reinforced concrete beams whose reinforcement has been corroded and then externally reinforced in the form of sheet type glass fiber or Glass Fiber Reinfroced Polymer-Sheet (GFRP-S). In this study, the variables are based on variations in the level of corrosion on the reinforcement. Five kinds of test objects used in the form of blocks with dimensions of 15x20 cm and length of 160 cm. The main reinforcement used is f12 and f8-100 stirrup reinforcement. The quality of the concrete used is 25 MPa. Normal reinforced concrete beams without reinforcement as control beams (BN), normal reinforced concrete beams with GFRP-S reinforcement (BP), corrosion reinforced concrete beams with GFRP-S reinforcement (BPK), variations in reinforcement corrosion time for 2 weeks (BPK2), 4 weeks (BPK4)and 6 weeks (BPK6) by immersion method in 2.0% sulfuric acid solution. The beam is reinforced with GFRP-S in the Tensile region at the bottom of the beam. Flexural test with two point load. The results showed that reinforced concrete beams reinforced with GFRP-S had a larger capacity than normal beams by 12.70%. Reinforced concrete beams with reinforcement with a higher corrosion rate (6 weeks corrosion) tend to reduce the capacity of the beam but its capacity is still larger than normal beams by 1.38%. Keywords: concrete beam, corrosion reinforcement, sulfuric acid, GFRP-S 
Tinjauan Kuat Lentur Balok Beton Ringan Dengan Penambahan Serat Kawat Sultan, Mufti Amir; Hakim, Raudha; Muchtar, Badordin; Adingku, Julham
Teras Jurnal : Jurnal Teknik Sipil Vol. 12 No. 2 (2022): Volume 12 Nomor 2, September 2022
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v12i2.783

Abstract

Abstrak Beton ringan merupakan pilihan yang baik bagi daerah rawan gempa. Batu apung dan pasir batu apung dapat digunakan sebagai agregat beton ringan. Penggunaan agregat ini dapat mereduksi berat beton namun juga mengakibatkan penurunan kuat tekan dan kuat lenturnya. Untuk memperbaiki penurunan kuat tekan dan kuat lentur perlu dilakukan inovasi, seperti dengan penambahan serat ke dalam campuran beton. Dalam penelitian ini digunakan benda uji berbentuk balok dengan dimensi 15x15x60 cm. Serat kawat bendrat ditambahkan ke dalam campuran beton ringan dengan komposisi sebesar 7,5% terhadap berat benda uji. Pengujian lentur dengan pembebanan twopoint load, balok dibebani sampai mencapai kegagalan. Hasil pengujian menunjukan bahwa, kuat lentur pada balok beton ringan dengan penambahan serat kawat bendrat (BR-S) dapat meningkatkan kuat lentur sebesar 18,12% terhadap beton ringan tanpa serat kawat bendrat (BR). Koefisien hubungan kuat lentur dan kuat tekan (K) adalah 0,70 sesuai dengan SNI 2843. Kata Kunci:  Beton Ringan, Kuat Lentur, Batu Apung, Pasir Batu Apung  Abstract Lightweight concrete is a good choice for earthquake prone areas. Pumice stone and pumice sand can be used as lightweight concrete aggregates. The use of this aggregate can reduce the weight of concrete but also result in a decrease in its compressive strength and flexural strength. To improve the decrease in compressive strength and flexural strength, innovations need to be made, such as by adding fiber to the concrete mix. In this study used a beam-shaped test object with dimensions of 15x15x60 cm. Bendrat wire fibers are added to the lightweight concrete mixture with a composition of 7.5% of the weight of the test object. Flexural testing with a two point load, the beam is loaded until it reaches failure. The test results show that the flexural strength of lightweight concrete beams with the addition of bendrat wire fibers (BR-S) can increase the bending strength by 18.12% against lightweight concrete without bendrat wire fibers (BR). The coefficient of the relationship between flexural strength and compressive strength (K) is 0.70 according to SNI 2843. Keywords: Lightweight Concrete, Flexural Strength, Pumice Stone, Pumice Sand
Evaluasi Dan Penanganan Kerusakan Jalan Menggunakan Metode Surface Distress Index Pada Ruas Jalan Ahmad Malawat Kota Tidore Kepulauan Ibrahim, Rusdi; Sultan, Mufti Amir; Sabaruddin, Sabaruddin
Teras Jurnal : Jurnal Teknik Sipil Vol. 13 No. 1 (2023): Volume 13 No 1, Maret 2023
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v13i1.831

Abstract

Abstrak Jalan merupakan prasarana transportasi darat yang banyak digunakan di suatu wilayah, kondisi jalan mempengaruhi aktivitas setempat. Penelitian ini untuk mengidentifikasi sifat dan tingkat kerusakan di Jalan Ahmad Malawat dan cara mengatasinya. Panjang jalan yang disurvei adalah 2650 m dan metode yang digunakan adalah Surface Distress Index (SDI). Data yang dibutuhkan untuk penyelidikan ini adalah dimensi kerusakan panjang, lebar dan kedalaman kerusakan. Hasil penelitian menunjukkan bahwa jenis dan tingkat kerusakan jalan adalah bekas roda kendaraan sebesar 50,57%, retak sebesar 28,64%, lubang sebesar 16,30%, dan amblas sebesar 4,49%. Penanganan kerusakan berdasarkan jenis kerusakan pada permukaan jalan adalah:STA.0+800 - STA.2+000 dan STA.2+600 - STA.2+650 dalam kondisi baik, maka penanganannya dengan pemeliharaan rutin. Kondisi jalan ditangani dengan pemeliharaan berkala Pada STA.0+000 - STA.0+200 dan STA.2+400 - STA.2+600. Perawatan harus dilakukan dengan rehabilitasi untuk STA.0+200 - STA.0+600 dan STA.2+000 - STA.2+400 serta STA.0+600 - STA.0+800 dengan rekonstruksi. Kata Kunci:  Surface Distress Indeks, Kerusakan Jalan, Jenis Penanganan   Abstract The Road is a means of land transportation widely used in an area, and road conditions affect local activities. This research is to identify the nature and level of damage on Ahmad Malawat Street and how to overcome it. The length of the surveyed road is 2650 m, and the method used is the Surface Distress Index (SDI).  The data needed for this investigation are the dimensions of the damage length, width, and depth of damage. The results showed that the type and level of road damage were vehicle ruts by 50.57%, potholes by 16.30%, cracks by 28.64%, and sinking by 4.49%. The handling of damage based on the type of damage to the road surface is STA.0+800 - STA 2+000 and STA.2+600 - STA.2+650 in good condition, so handling it with regular maintenance. Road conditions are handled with periodeic maintenance At STA.0+000 - STA.0+200 and STA.2+400 - STA 2+600. The treatment must be carried out with rehabilitation for STA.0+200 - STA.0+600 and STA.2+000 - STA.2+400, STA.0+600 - STA.0+800 with reconstruction. Keywords: Surface Distress Indeks, Road Damage, Handling Type
Efek Pengempaan Pada Proses Pembuatan Bata Ringan Geopolimer Sultan, Mufti Amir; Adingku, Julham; Kusnadi, Kusnadi
Teras Jurnal : Jurnal Teknik Sipil Vol. 14 No. 2 (2024): Volume 14 Nomor 2, September 2024
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v14i2.1151

Abstract

Abstrak Pasir batu apung sebagai bahan baku pembuatan bata ringan dengan menggunakan geopolimer sebagai pengikat menggantikan semen. Geopolimer terbentuk dari bahan baku yang banyak mengandung unsur silika  dan alumina. Penelitian ini menggunakan perbandingan volume agregat pengisi berupa pasir batu apung sebesar 50% dan binder 50%. Binder terdiri atas 55% fly ash dan 45% aktivator, di mana aktivator merupakan campuran dari Na2SiO3 dan larutan NaOH 10M dengan perbandingan 1:1. Proses produksi bata dengan pengempaan bervariasi 3,3 MPa, 6,7 MPa, 10,0 MPa, dan 13,3 MPa. Benda uji kontrol tidak dilakukan pengempaan. Untuk mempercepat proses polimerisasi bedan uji dipanaskan dengan menggunakan oven pada suhu 800C selama 8 jam. Hasil penelitian menunjukkan bahwa semakin tinggi pengempaan yang diberikan pada proses produksi bata cenderung meningkatkan kuat tekan dan berbanding terbalik dengan penyerapan air. Pada pengempaan 10,0 MPa dan 13,30 MPa masing-masing menghasilkan mutu bata III dan IV. Kata kunci:  pasir batu apung, bata ringan, geopolimer, mutu bata    Abstract Pumice sand as a raw material for making lightweight bricks using geopolymer as a binder to replace cement. Geopolymers are formed from raw materials that contain lots of silica and alumina elements. This research uses a volume ratio of aggregate filler in the form of pumice sand at 50% and binder at 50%. The binder consists of 55% fly ash and 45% activator, where the activator is a mixture of Na2SiO3 and 10M NaOH solution in a ratio of 1:1. The brick production process with compression varies from 3.3 MPa, 6.7 MPa, 10.0 MPa, and 13.3 MPa. The control test specimen was not pressed. To speed up the polymerization process, the test bed was heated using an oven at 800C for 8 hours. The research results show that the higher the compression given in the brick production process tends to increase the compressive strength and this is inversely proportional to water absorption. At 10.0 MPa and 13.30 MPa compression, they produce brick grades III and IV respectively. Keywords: pumice sand, light brick, geopolymer, brick quality
EFEK PENGGUNAAN PASIR BATU APUNG SEBAGAI PENGGANTI SEBAGIAN AGREGAT HALUS PADA CAMPURAN BETON RINGAN Abdul Gaus; Mufti Amir Sultan; Raudha Hakim
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 8-13
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.5269.8-13

Abstract

Lightweight concrete is obtained using pumice sand as a substitute for fine aggregate. The expected advantage of lightweight concrete is to reduce the self-weight of the concrete, which is a dead load on the structure. This study aims to determine the effect of using pumice sand on concrete volume weight, compressive and tensile strength. Research methods with testing in the laboratory. The test object used is cylindrical with a height of 30 cm and a diameter of 15 cm, according to SNI-03-1974. The coarse aggregate of pumice and the fine aggregate of pumice sand were sourced from the Dowora quarry on Tidore Island. Fine aggregate in control specimens using normal sand from the Kalumata quarry on Ternate Island. Using pumice sand as fine aggregate with a ratio of 75% normal sand, 20% pumice sand, 50% normal sand and 50% pumice sand, 25% normal sand and 75% pumice sand, and 100% pumice sand. Control test object using 100% normal sand. Each variation of the test object is ten pieces, so that the total test object is 50. The results of this study indicate that the volume weight decreased along with the addition of pumice sand weight into the concrete mixture. Therefore, If the volume of concrete produced is < 1900 kg/m3, the concrete is classified as lightweight. The resulting compressive strength of 56.63 kg/cm2 decreased to 81.10% of the control test object. The split tensile strength of concrete is 1.13 kg/cm2, or a decrease of 52.05% of the control test object. Based on the compressive and tensile strength, concrete is categorized as lightweight structural concrete as an insulator.
Co-Authors Abdul Gaus Abdullah, Abdul Madjid Ade, Ilham Adingku, Julham Alhadar, Nabila Islamaiya Ali, Ismanto Wahab Amrin Wanda Amrin Wanda Angellyna, Meilyna AR, Ridwan Arbain Tata Arif, Friyani N. Barmawi, Nurtalia Chairul Anwar Chairul Anwar Dahri Kabir Demi Sidogu Djamaluddin, Rudy Djamluddin, Rudy Edi Suhartono Kurung Edi Susanto Edward Rizky Ahadian Endi Setiawan Erwinsyah Tuhuteru Farika, Azmy faujan, muhammad Fera The Fitro Darwis Gaus, Abdul Hakim, Raudha Hi Abbas, Muhammad Yunus Hi Bayan, Ilman Nafiyanto A Hi Sergi, Yusup Ibrahim, Rusdi Imran Imran Imran, Imran Inggrayani Anggreni waiola Irfan Ilyas Irnawaty Irnawaty, Irnawaty Irnawaty, Irnawaty Ismail, Hasbullah Ismanto Wahab Ali Jamalun Togubu Julfikra Sastra Tuahuns Kamarullah, Suryawan Khusna Arif Rakhman, Khusna Arif Kurniawan Kurniawan Kurniawan Kurniawan Kusnadi Kusnadi Kusnadi M Irfan Kotta M. Fadli Fajar Abdullah Mangoda, Novia Zulfasti Mardiana M Taiyeb Mardiani Diani Mardiani Diani, Mardiani Marsaoly, Nurmaiyasa Misbah, Zulkarnain K mohamad jamil Muchtar, Badordin Muhammad Amin Muhammad Fhadli muhammad taufik Yuda Saputra muhammad taufik Yuda Saputra, muhammad taufik Muhammad Taufik Yudasaputra Muhammad Taufiq Yuda Saputra Muhammad Yunus Hi Abbas Muhammad, Amiruddin Hi Muhdar Ishak Najamuddin Najamuddin, Najamuddin Nini Hasriyani Aswad Novia Zulfasti Mangoda Nu&#039;man Nu&#039;man Nu'man, Nu'man Nurmayasa Marsaoly Nurul Anggraini Usmat I Popi Y Sangaji Rahim, Mustamin Raudha Hakim Rauf, Ichsan Reskiyanto Rezkiyanto Ridwan Rasyid Rofika Sakti RR. Ella Evrita Hestiandari Sabaruddin Sabaruddin Sabaruddin Sabaruddin Saputra, Muhammad Taufik Yuda Shandy, Sary Siswoko Siswoko Sjamsuddin Kaaba Soamole, Ardianto Sri Harsimi Sultan, Thariq Alfaridzi A Sumartini Sumartini Syamsul Arifin Thariq Al Faridzi A Sultan Triandini, Riski Wahab, Iis Hamsir Ayub Walid Mododok Wiwik Handayani Yani, Stevi Zamzam, Zulkifli