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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Sains dan Teknologi Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Semesta Teknika Proceedings ACES (Annual Civil Engineering Seminar) Jurnal Teknik Journal of Applied Materials and Technology SAINSTEK J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Jurnal Teknologi & Rekayasa Sipil Journal of Infrastructure and Construction Technology
Enno Yuniarto
Dept. Of Civil Engineering, Universitas Riau, Pekanbaru, Riau, Indonesia, 28293
Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Prediksi Tingkat Kerusakan Struktur Bangunan Beton Bertulang Berdasarkan Riwayat Waktu Gempa Dengan Metode Jaringan Saraf Tiruan Muhamad Zulfakar; Reni Suryanita; Enno Yuniarto
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Indonesia is one of the countries that located in quake zone. The potential of earthquake that could cause the damage to the building should be considered into the design of the building. Therefore, one of the solutions to analyzing the structural responses and the damage level promptly and easily when the earthquake occurred is with using Artificial Neural Network (ANN). The building model is a reinforced concrete building with 10 floors and height between floor is 3.6 m. Model building receives a load of earthquake based on earthquake time history of New Zealand, San Francisco, Cape Mendocino, El Centro, Loma Prieta, San Fernando, Kocaely, Nenana and Danieli. Each time history scaled to 0,5g, 0,75g, and 1,0g. In addition, this earthquake time history also scaled to the PGA of Pekanbaru. Artificial Neural Network (ANN) are designed in 4 architectural models using MATLAB program. Model 1 is ANN with the input of the displacement, velocity and, Model 2 is ANN with the input of displacement, Model 3 is ANN with the input of velocity, and Model 4 is JST with the input of acceleration. Output of the ANN is the damage level of building with the category of Safe, Immediate Occupancy (IO), Life Safety (LS) or in a condition of Collapse Prevention (CP). Artificial neural network trained with 8 data sets of earthquake time history, and the remaining 1 data set of earthquake time history was used for simulation. Artificial neural network models has the prediction rate to predict the damage level between 85%-95%. The results from simulation with the 913 data from time history of Danieli’s earthquake for all scales is 93,32% data could be predicted correctly by ANN Model 1. For the Model 2, Model 3, Model 4 in a row could provide prediction correctly up to 92,11%,91,46% and 87,62%. This indicates that artificial neural networks can predict the damage level of building with average accuracy 90,13%.Keywords: Artificial neural network, structural response, time history, damage level.
Pengaruh Natrium Tripolyphosphate (NA5P3O10) terhadap Sifat Mekanik Beton Cor di dalam Air (Under-Water Concrete) Lili Purwati; Ismeddiyanto; Enno Yuniarto
JURNAL TEKNIK Vol. 13 No. 2 (2019): Edisi Oktober 2019
Publisher : JURNAL TEKNIK UNILAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/teknik.v13i2.3604

Abstract

Kuat tekan dan kuat tarik belah merupakan parameter kekuatan beton yang penting. Penelitian ini dilakukan untuk mengkaji pengaruh penggunaan Natrium Tripolyphosphate (Na5P3O10) terhadap sifat mekanik beton cor di dalam air Under-Water Concrete (UWC). Digunakan variasi Na5P3O10 sebesar 5%, 10% dan 15% terhadap berat semen, serta penambahan filler berupa abu batu dengan presentase 10% terhadap berat agregat halus. Nilai kuat tarik belah dan kuat tekan beton diperoleh berdasarkan pengujian laboratorium dengan beton silinder diameter 10cm dan tinggi 20cm. Hasil penelitian menunjukkan kuat tekan dan kuat tarik belah beton paling rendah terjadi pada beton variasi Na5P3O10 5% yaitu 5.96MPa. Kuat tekan dan kuat tarik belah beton tertinggi yakni pada variasi Na5P3O10 10% sebesar 12.13MPa, namun terjadi penurunan pada beton variasi Na5P3O10 15% yakni 9.27Mpa. Hasil penelitian tersebut menunjukkan bahwa presentase Na5P3O10 5% menurunkan kuat tekan dan kuat tarik belah beton karena besarnya segregasi pada beton, sedangkan presentase Na5P3O10 15% justru mengurangi nilai workability beton segar sehingga tidak dapat memadat sendiri dengan baik. Penggunaan Na5P3O10 pada penelitian ini menunjukkan bahwa selanjutnya Na5P3O10 dapat digunakan sebagai Anti Washout Admixture pada Under-Water Concrete (UWC), namun memerlukan mix desain khusus Self Compacting
Analisis Respons Struktur Jembatan Beton Prategang Box Girder Maharani Miranda; Reni Suryanita; Enno Yuniarto
Sainstek (e-Journal) Vol. 7 No. 2 (2019)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

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Abstract

Meningkatnya kasus kerusakan jembatan di Indonesia mengartikan bahwasanya struktur jembatan di Indonesia masih banyak yang belum mampu berfungsi secara optimal. Hal ini juga berkaitan dengan pengaruh Indonesia yang terletak pada jalur tektonik dan vulkanik aktif yang menyebabkan kerusakan struktur jembatan. Studi kasus untuk analisis ini menggunakan Jembatan Sungai Siak 2 dengan bentang 200 m dengan jumlah pilar sebanyak 2 buah. Pemilihan analisis ini dilakukan pada bagian pilar jembatan karena berdasarkan fakta bahwa kegagalan strukur pada pilar jembatan akan mengakibatkan kegagalan sruktur jembatan secara keseluruhan. Analisis respons struktur jembatan beton prategang box girder bertujuan untuk mengidentifikasi besar nilai perpindahan struktur pada pilar jembatan terhadap beban gempa rencana. Sementara itu, analisis numerik respons struktur jembatan menggunakan perangkat lunak Midas Civil V2.2. Analisis respons struktur jembatan beton prategang box girder dilakukan berdasarkan tiga kondisi tanah, yaitu tanah keras, tanah sedang, dan tanah lunak. Pada hasil penelitian ini didapatkan nilai perpindahan pada pilar jembatan arah longitudinal untuk kondisi tanah keras sebesar 0,88 mm, tanah sedang sebesar 1,06 mm dan tanah lunak sebesar 1,39 mm. Dengan demikian dapat disimpulkan bahwa nilai perpindahan jembatan akibat beban gempa rencana pada kondisi tanah keras lebih kecil 21,4% dibanding pada kondisi tanah sedang dan lebih kecil 60,32% dibanding tanah lunak. Maka dari itu, hasil penelitian ini dapat dijadikan sebagai masukan kepada pihak pemerintah dan pihak terkait yang bergerak di bidang konstruksi jembatan, khususnya tipe jembatan box girder beton prategang di berbagai wilayah Indonesia, dengan memperhatikan respons struktur jembatan yang terjadi sesuai tingkat risiko kegempaan untuk setiap daerah.
Pendampingan Pada Aparat dan UMKM Desa untuk Peningkatan Ekonomi Simpang Petai-Kampar Agus Ika Putra; Enno Yuniarto; S. Siswanto; Soewignjo Agus Nugroho; Syawal Satibi; K Khairat; Syamsu Herman; Muhammad Saeri; Arisman Adnan
J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Vol 8, No 1 (2024): April 2024
Publisher : IKIP PGRI Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30734/j-abdipamas.v8i1.2812

Abstract

Simpang Petai village was formed due to the expansion of the village in 2008.  As a new village, Simpang Petai lacks facilities to face the challenges of implementing village development. The level of understanding and skills of the village officials for planning system is still very low.  The participation of UMKM in the implementation of village development needs to be carried out and strengthened as one of the bases of village stability and the driving force for improving the village economy.  The PkM Team of the Riau University Village Development Program, as Technical Assistance, helped solve village problems.  Inventarisasi PkM team, compile activities systematically and continuously, to improve the understanding and skills of officials and village communities in the process of preparing and implementing participatory village development planning. The forming of active participation of young people, as drivers of village UMKM, in development as the basis for the resilience of rural communities and the driving force of the village economy.  The activities of Advanced Welding Skills Practice, which with Product orientation, and Management Activities website Desa as the basis for village planning for Community Services and Marketing of Local Products succeeded in improving the economy of UMKM ABSTRAKDesa Simpang Petai terbentuk karena pemekaran desa tahun 2008. Sebagai desa baru, Simpang Petai minim fasilitas menghadapi tantangan melaksanakan pembangunan desa. Tingkat pemahaman dan keterampilan Aparat desa menyusun sistem perencanaan desa masih sangat rendah. Partisipasi UMKM dalam pelaksanaan pembangunan desa perlu dijalankan serta diperkuat sebagai salah satu basis stabilitas desa dan motor penggerak peningkatan Perekonomian desa. Tim Kegiatan Pengabdian Masyarakat Program Bina Desa Universitas Riau, sebagai Technical Assistance, membantu menyelesaikan permasalahan desa. Inventarisasi tim PkM, menyusun kegiatan secara sistematis dan berkesinambungan, yaitu untuk meningkatkan pemahaman dan keterampilan Aparat dan masyarakat desa pada proses penyusunan dan implementasi perencanaan pembangunan desa yang partisipatif. Terbentuknya partisipasi aktif para pemuda, sebagai penggerak UMKM desa, dalam pembangunan sebagai basis ketahanan masyarakat desa dan motor penggerak Perekonomian desa. Kegiatan Praktik Keterampilan Pengelasan Lanjut, yang dengan orientasi Produk, dan Kegiatan Pengelolaan website Desa sebagai basis perencanaan desa untuk Pelayanan Masyarakat dan Pemasaran Produk Lokal berhasil meningkatkan ekonomi UMKM.
Various Methods of Strengthening Reinforced Concrete Beam-Column Joint Subjected Earthquake-Type Loading Using Fibre-Reinforced Polymers: A Critical Review Ridwan, Ridwan; Jemaa, Yaser; Yuniarto, Enno
Journal of Applied Materials and Technology Vol. 4 No. 2 (2023): March 2023
Publisher : Faculty of Engineering Universitas Riau and Applied Materials and Technology Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/Jamt.4.2.42-55

Abstract

Fibre-reinforced polymer (FRP) composites are extensively employed in concrete technology due to their exceptional mechanical strength and durability.  They serve a dual purpose, not only reinforcing damaged elements but also supporting heavier service loads and addressing long-term concerns in new infrastructure projects. Consequently, the objective of this review is to establish a comprehensive research database that focuses on evaluating the strengthening behaviour of reinforced concrete (RC) beam-column joints (BCJ) under earthquake loads through diverse types and application methods of FRP composites. The efficacy of these strengthening techniques is assessed by considering factors such as the loading capacity and dissipated energy of RC BCJ versus the joint confinement index provided by the fibre in the joint area. Through this state-of-the-art review, it becomes evident that FRP composites effectively enhanced the normalized load of specimens up to 27 kN/?MPa and enhanced the dissipated energy until 558.6 kN-mm for the case of specimens with a lower confinement index, less than 0.3. Additionally, the specimen strengthened with the deep embedment (DE) method resulted in a moderate normalized load and dissipated energy compared to those strengthened with the external bonded (EB) method. The test results indicated that the average normalized load and dissipated energy of the DE-strengthening method was 93% and 28.5% compared to that of the EB-strengthening method. These findings reveal that FRP composites offer distinct advantages in terms of load capacity and dissipated energy when used for strengthening earthquake-affected RC BCJ. Finally, based on the compilation of the previous works, this research proposes several techniques for utilizing FRP composites to enhance RC BCJ subjected to earthquake load.
Analisis Sambungan Balok Kolom Beton Bertulang Menggunakan SNI 2847 2013 dan SNI 2847 2019 Hifzil Hanif; Iskandar Romey Sitompul; Enno Yuniarto
Jurnal Teknologi dan Rekayasa Sipil Vol. 1 No. 2 (2022): VOL 1 NO 2 (NOVEMBER 2022)
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1248.079 KB) | DOI: 10.56208/jtrs.v1.i2.hal77-87

Abstract

Earthquake-resistant reinforced concrete structures must pay attention to the beam-column connection area because beam-column connection is a critical area that needs to be designed really accurately so that it can reduce the energy caused during an earthquake. The beam-column connection is designed to be able to deform during earthquake shocks so as to minimize damage, especially in inelastic areas. This study aims to analyze the design of beam-column connections in irregular structures that refer to SNI 2847 2013 and SNI 2847 2019. In the analysis carried out, designed structure by method SNI 2847 2013 by using earthquake map 2010 and method SNI 2847 2019 by using earthquake map 2017. From the design carried out using of SAP2000 It is known that the size of the columns and beams is sufficient to support the shear forces that occur. There are differences in the results of the review between the planning methods SNI 2847 2013 and SNI 2847 2019. The review carried out on the shear force found that the shear force using the 2013 SNI 2847 regulation with the 2010 earthquake map was 1.149% greater than using the 2017 SNI 2847 regulation with the 2017 earthquake map. The review carried out on the shear stress found that the shear stress using the 2013 SNI 2847 regulation with the 2010 earthquake map was 1.149% greater than using the 2017 SNI 2847 regulation with the 2017 earthquake map. The review of the length of reinforcement distribution at the joint found 640 mm with transverse reinforcement used a diameter of 13 mm and a distance between reinforcement of 150 mm for both regulations, but the SNI 2847 2019 regulation requires standard hooks to be placed in the core restrained column.
Analisis Elemen Hingga Terhadap Perilaku Balok Beton Bertulang Yang Diperkuat Dengan Menggunakan Metode Deep Embedment Anwar, Muhammad; Ridwan, Ridwan; Yuniarto, Enno
Journal of Infrastructure and Construction Technology Vol. 1 No. 1 (2023): January 2023
Publisher : Dept. of Civil Engineering Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/jictech.1.1.10-19

Abstract

Bridges are infrastructure buildings that are affected by technological developments. Beam structures on bridges often experience a decrease in strength, one of which is shear strength. Sometimes the shear capacity of reinforced concrete beam structures cannot meet the requirements at this time. This can be caused by increased loads, inadequate shear provisions in the initial design and material damage due to natural factors. Reinforcement methods by means of externally bonded (EB) and near-surfaced mounted (NSM) are methods that have been carried out to overcome the decrease in shear strength in beam structures. Shear reinforcement using the EB and NSM methods in practice only relies on epoxy bonding and concrete covers, this makes it susceptible to structural failure. Reinforcement method deep embedment (DE) can be used as a suggestion as shear reinforcement in reinforced concrete beams to overcome the previous problems. Reinforcement using the DE method is shear reinforcement which is reinforced at the core of reinforced concrete beams. The aim of this research is to analyzq the behaviour of reinforced concrete beams resulting from finite element modelling using ABAQUS software. This research was carried out by embedding 20 bars vertically with a distance of 100 mm along the shear span. The results of finite element modelling with ABAQUS software show that the maximum load obtained is 28,12 kN and the maximum deflection that occurs is 14,10 mm. The final result of the beam failure model is flexural failure. This is indicated by the initial crack pattern that occurs vertically in the middle of the beam span. The crack continues to propagate towards the compression area of the beam until the beam collapses.
Pemodelan Elemen Hingga Terhadap Pembebanan Geser Pada Balok Beton Bertulang Tanpa Sengkang yang Diperkuat dengan Metode Deep Embedment Ardiansyah, Ridho; Yuniarto, Enno; Ridwan
Journal of Infrastructure and Construction Technology Vol. 1 No. 1 (2023): January 2023
Publisher : Dept. of Civil Engineering Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/Jictech.1.1.20-27

Abstract

Beams are a rigid part of the structure of a building. This beam is specifically designed to be able to withstand and transfer loads to column. Beams without shear reinforcement will experience changes in behavior both in terms of strength and failure patterns.The shear capacity of existing reinforced concrete structures is often unable to meet existing requirements.This decrease in strength can be caused by increased load, strong shear that is inadequate in initial design and material damage due to natural factors. Many methods that have been done are by means of external bonded (EB) method and near-surface mounted (NSM) method. However, shear resistance using the EB and NSM methods is prone to structural failures due to the magnification of this method only to contain an epoxy attachment and its blanket. To overcome this problem the resistance method using deep embedment (DE) method have been proposed to reinforcement the shear capacity of existing reinforced concentrate structures.The purpose of this study was to analyze the shear behavior of reinforced concrete beams without shear reinforcement strenghtned by the DE method through finite element modeling.In this research, the existing reinforced concentrate structures put up the reinforcement by implant three kinds of steel carcass with 200 mm each gaps spread out shear beam. The maximum load result obtained from finite element analysis on reinforced concrete beams reinforced by the DE method was 29.09 kN. While the maximum deflection results obtained in finite element analysis was 10.1 mm. The failure model that occurs in the beam which is strengthened from the results of finite element analysis is the shear collapse.
Perkuatan Balok Beton Bertulang Yang Mengalami Kegagalan Geser Menggunakan Metode Deep Embedment Kurniawan, Fahmuji; Kamaldi, Alfian; Yuniarto, Enno; Ridwan
Journal of Infrastructure and Construction Technology Vol. 1 No. 1 (2023): January 2023
Publisher : Dept. of Civil Engineering Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/Jictech.1.1.28-37

Abstract

Bridges are infrastructure buildings that are commonly used and very functional in everyday. One of the structural components of the bridge is a reinforced concrete beam as a load bearer that will be forwarded to the foundation. The shear capacity of reinforced concrete beam structures sometimes cannot meet the existing requirements. This can be caused by increased loads, inadequate shear strength in the initial design and material damage due to natural factors. There are several methods that have been carried out to overcome the decrease in shear strength in beam structures, namely reinforcement methods by externally bonded (EB) and near-surface mounted (NSM). In reality, shear reinforcement with EB and NSM methods in implementation only relies on epoxy adhesion and concrete blankets, which still causes structural failure. The deep embedment strengthening method (DE) can be proposed as a shear reinforcement for reinforced concrete beams to overcome the previous problems. Reinforcement with DE method is a shear reinforcement that is reinforced in the core of reinforced concrete beams. This research was conducted by embedding 8 reinforcements vertically with a distance of 200 mm along the shear span. In this study, finite element modeling was carried out using ABAQUS. The results of finite element modeling with the DE method showed that the maximum load was 30.646 kN and the maximum deflection was 13.00 mm. The collapse model that occurs from finite element modeling on test specimens with DE reinforcement experiencing flexural failure.
Analisis Respons Struktur Portal Baja Bertingkat Akibat Kandungan Frekuensi Gempa Yang Berbeda Afisha, Elly; Suryanita, Reni; Yuniarto, Enno
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5, No 1 (2018): Wisuda April Tahun 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Indonesia is one of the countries that located in the quake zone. But not all earthquakes that occur is a devastating earthquake. Some earthquake parameters that affect the level of damage from a building structure are the peak ground acceleration, response spectrum value, earthquake duration, and earthquake frequency content. The earthquake frequency content parameters were considered the most influential on structural damage. The objective of this research is to get the response from the structure of multilevel steel portals such as displacement, inter-story drift, velocity, acceleration, and to analyze the displacement limit based on SNI 1729-2012. The reviewed structure is an open frame steel building model that is into 5 levels, 10 levels, and 15 levels. This study use time history analyses with 9 earthquake recordings of the Kobe earthquake, Mexico earthquake, Nepal earthquake, Chile earthquake, New Zealand earthquake, Sumatera earthquake, Fredericksburg earthquake, Mentawai earthquake, and Northridge earthquake that has been grouped into low-frequency content, medium frequency content, and high-frequency content. The results showed that the structure responses such as displacement, velocity, and acceleration will increase with the increasing number of levels of the building structure. The inter-story drift the allowed level of the structure still qualified based on SN 1729-2012 where the allowed drift in 7 cm and the inter-story drift produced by the structure is still less than 7 cm. An earthquake with low-frequency content has an enormous influence on the structure response in all the level structure.Keywords: response structure, time history, frequency content
Co-Authors Afisha, Elly Afisha, Elly Afwan Eka Putra Agus Ika Putra Andy Hendri, MT, Andy Ardiansyah, Ridho Arisman Adnan Arrahman, Feri Dian Nanda Islami Fajar Priandoko Fitrana, Yaniarto Hendra Jingga, Hendra Hifzil Hanif Iskandar Romey Sitompul Ismail Rahmadtulloh Ismeddyanto, Ismeddiyanto Jemaa, Yaser K Khairat Kamaldi, Alfian Khairat, K Kurnia Desmilestari Kurniawan, Fahmuji Leo Sentosa Lili Purwati Maharani Miranda Mohammad Saeri Muhammad Akbar Muttaqin Muhammad Anwar Muhammad Saeri, Muhammad Nevita Elisa Puri Awanda Cantikawati Rahmiasari Rahmiasari Reni Suryanita Ridwan Ridwan Ridwan, Ridwan S. Siswanto S. Siswanto Satibi, Syawal Soewignjo Agus Nugroho Suziela Saila Syamsu Herman Syamsu Herman Widika Arfa A Zulfikar Djauhari Zulfikar Djauhari