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All Journal International Journal of Engineering, Science and Information Technology Aceh International Journal of Science and Technology Jurnal Teknik Sipil
Muttaqin Hasan
Universitas Syiah Kuala
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Behaviour Analysis of Strengthened-RC Beam with Natural Fiber Reinforced Polymer (NFRP) based on Abaca Fiber by Using Finite Element Method Taufiq Saidi; Muttaqin Hasan; Zahra Amalia; Muhammad Iqbal
Aceh International Journal of Science and Technology Vol 11, No 2 (2022): August 2022
Publisher : Graduate Program of Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.205 KB) | DOI: 10.13170/aijst.11.2.26520

Abstract

The use of synthetic Fiber Reinforced Polymer (FRP) as a composite material is an alternative material that has been widely used for strengthening and repairing reinforced concrete structures. However, the high price is one of the obstacles in applying synthetic FRP materials in developing countries such as Indonesia. Utilization of natural fiber as a Natural Fiber Reinforced Polymer (NFRP) composite material is an alternative, especially in shear strengthening of reinforced concrete beams. Because it has good tensile strength and also is environmentally friendly. Technological developments in the field of computing make modelling various aspects easier. One of them is modelling reinforced concrete (RC) beams. ATENA V534 is a software that can be used for finite element-based modelling. Therefore, in this study, the ATENA V534 software was used to evaluate the results of research and testing behaviour of reinforced concrete beams from the previous studies about strengthened beam for shear by using NFRP. Behaviour that is evaluated in the form of load and deflection, the pattern of cracks and failure, and stress and strain of reinforcements. The numerical results obtained in ATENA V534 showed in a good agreement with experimental results.
Tensile Strength of Natural Fiber in Different Type of Matrix Taufiq Saidi; Muttaqin Hasan; Zahra Amalia
Aceh International Journal of Science and Technology Vol 11, No 2 (2022): August 2022
Publisher : Graduate Program of Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1116.824 KB) | DOI: 10.13170/aijst.11.2.26175

Abstract

In recent years, the used of product based with low environmental impact has become one of the considerations in the construction structure. Attention of the researchers towards the development of natural material has been increasing. The use of natural fibers as composite materials for strengthened structure have been studied. However, natural fibers are influenced by the hydrophilic nature and its specific morphology. Thus, research related to the natural fiber composite materials still needs to be explored. This study aims to evaluate the tensile strength of natural fiber composite materials based on the type of fiber, fiber layer used and its type of resin according to ASTM D3039. The results show that type of fiber, fiber layer used and its type of resin in the composite matrix considerably affects its tensile strength performance.
Uniaxial Stress-Strain Behavior for Material Pavement Stabilization by Using Zeolite Hamzani Hamzani; Munirwansyah Munirwansyah; Muttaqin Hasan; Sugiarto Sugiarto; Burhanuddin Burhanuddin; Yovi Chandra
International Journal of Engineering, Science and Information Technology Vol 3, No 1 (2023)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v3i1.435

Abstract

The characteristics of semi-flexible pavement (SFP) are strongly influenced by the proportion of cement mortar content filling the voids in the mixture. SFP behavior due to repeated traffic loads causes the pavement structure to experience stress and strain around the wheel axis, resulting in a rapid decline in performance with cracks and permanent defects. Evaluation of the properties of the mixture on the stress-strain parameters of the influence of additives and substitution of many SFP mixture-forming materials has been carried out. The purpose of this study was to determine the stress-strain models of SFP with the effect of waste tire rubber (WTR) additives in asphalt and Aceh natural zeolite substitution in cement mortar under uniaxial compressive load. The porous asphalt mixture is designed in accordance with the optimum asphalt content and open graded aggregate based on the specifications of Bina Marga Regulation 2010 and Australian Asphalt Pavement (AAPA) 2004. The composition of zeolite in SFP mixture can affect the stress behavior, where zeolite can inprove quality of the mortar cement so that it can slow down the development of the SFP mixture flatness and the maximum stress obtained is 17 MPa at 5% zeolite composition. The bilinear model of stress-strains was proposed the results show a good agreement with experimental results.
Preliminary Study of NFRP-Confined Concrete for Enhancing Compressive Strength Taufiq Saidi; Muttaqin Hasan; Zahra Amalia
Aceh International Journal of Science and Technology Vol 12, No 1 (2023): April 2023
Publisher : Graduate Program of Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/aijst.12.1.31500

Abstract

Earthquake that occurred within a period of several years may be caused reinforced concrete column fails to maintain its performance. Reinforcement methods to improve the quality of concrete in resisting earthquake loads are needed. Strengthening the column with external restraints is expected to increase the strength of the concrete. The use of synthetic Fiber Reinforced Polymer (FRP) as a composite material for external restraint on structures is one of the materials that has been widely used for strengthening concrete structures. Considering the environmental impact, natural FRP materials have been developing nowadays. One of the natural fibers that have been researched and used as a composite material for Natural Fiber Reinforced Polymer (NFRP) is abaca fiber. This research aims to find the contribution of abaca fiber in increasing the compressive strength of confined concrete as a preliminary study. In this study, the test was carried out by applying a compressive load to concrete specimens reinforced with NFRP restraints. The NFRP was investigated with variations in the number of NFRP layers. The results showed that NFRP-confined concrete has a higher compressive strength of 34.73% than the controlled specimen
TEGANGAN DAN REGANGAN DINAMIS PERKERASAN SEMI FLEKSIBEL DENGAN MODIFIKASI REOLOGI ASPAL DAN SUBSTITUSI ZIOLIT PADA SEMEN MORTAR Hamzani Hamzani; Munirwansyah Munirwansyah; Sugiarto Sugiarto; Muttaqin Hasan
Teras Jurnal : Jurnal Teknik Sipil Vol. 11 No. 1 (2021): Maret 2021
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v11i1.405

Abstract

Abstrak Ketahanan struktur perkerasan akibat timbulnya tegangan dan regangan menyebabkan retak awal saat terjadinya deformasi permanent sehingga kegagalan perkerasan akibat kelelahan umur tidak dihindarkan. Fenomena tersebut dapat dikurangi dengan perkerasan yang memiliki cukup kekakuan, kelenturan. Modifikasi material dilakukan untuk meningkatkan nilai kekakuan dan kelenturan campuran dengan menggunakan jenis campuran,gradasi, dan modifikasi aspal yang tepat sebagai usaha pengembangan campuran perkerasan beraspal. Tujuan dari penelitian ini  mempelajari tegangan dan regangan tarik campuran PSF  terhadap beban berulang dengan tambahan WTR dan menggunakan ziolit alam sebagai pengganti sebagian semen untuk mortar yang dinjeksi ke dalam rongga aspal porous. Desain campuran aspal berpori dimulai dengan penentuan proporsi aspal optimal dengan agregat bergradasi terbuka sebagaimana ditentukan dalam sepesifikasi (AAPA) 2004. Uji Marshall dilakukan untuk mengetahui spesifikasi yang disyaratkan dan dilanjutkan dengan uji specimen yang telah diinjeksi mortar semen dengan pengujian lentur metode pembebanan empat titik untuk evaluasi tegangan dan regangan tarik. Nilai tegangan dan regangan dinamis dianalisis pada setiap variasi ziolit dalam mortar semen. Substitusi ziolit alam pada semen mortar dapat mempengaruhi tegangan dan regangan dinamis campuran PSF, di mana semakin besar komposisi ziolit dalam semen mortar nilai tegangan dan regangan yang dihasilkan semakin tinggi. Kata kunci: perkerasan semi-fleksibel, ziolit alam, reologi aspal, tegangan dan regangan, beban dinamis  Abstract The resistance of the pavement structure due to the consequence of stress and strain causes the initial reset when the occurrence of permanent deformation so that pavement failure due to age is avoided. This phenomenon can be reduced by a pavement that has sufficient stiffness and flexibility. Material modification is carried out to increase the value of the stiffness and flexibility of the mixture by using the right type of mixture, gradation, and asphalt modification as an effort to develop an asphalt pavement mixture. The purpose of this study was to study the stress and tensile strain of the semi-flexible pavement (SFP) mixture against repeated loads with the addition of rubber tire waste (WTR) and to use natural zeolite as a part of cement for mortar injected into the porous asphalt cavity. The design of a porous asphalt mixture begins with the determination of the optimal proportion of asphalt with an open grade aggregate specified in the Asphalt Pavement Association Australia (AAPA) 2004.Marshall test is carried out to see the required specifications and test specimens that have been injected with cement with a four-point loading bending method test for stress evaluation and tensile strain. The values of dynamic stress and strain were analyzed for each variation of ziolite in cement mortar. Substitution of natural ziolite in cement mortar can affect the dynamic stress and strain of the PSF mixture, where the greater the ziolite composition in cement mortar, the higher the resulting stress and strain. Keywords: Pavement semi-flexible, natural zeolite, asphalt rheology, dynamic stress and strain  
Perkuatan Seismik Struktur Gedung Berlantai Tujuh Menggunakan Sistem Bresing Baja Alhadi Setiawan; Muttaqin Hasan; Taufiq Saidi
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.v13i1.857

Abstract

Abstrak Struktur Gedung BSI Cut Mutia Banda Aceh mengalami beberapa retakan pada balok dan kolom akibat gempa sehingga memerlukan suatu perkuatan dengan menganalisis struktur menggunakan metode pushover untuk mengetahui gaya geser dan displacement maksimum yang mampu ditahan oleh struktur pada kondisi eksisting maupun setelah diperkuat menggunakan bresing dan level kinerja serta mekanisme sendi plastis maupun simpangan antar lantai. Untuk pengembangan kurva kerapuhan digunakan metode Incremental Dynamic Analysis (IDA) untuk melihat tingkat probabilitas kerusakan struktur dari 10 rekaman gempa. Data yang diperlukan yaitu gambar perencanaan awal, mutu baja, mutu beton dan dimodelkan menggunakan software SAP2000, dilakukan analisis statis beban mati dan beban hidup serta analisis dinamis. Hasil penelitian menunjukkan profil bresing baja IWF 150x150x10x7 memenuhi keamanan untuk sistem perkuatan. Simpangan antar lantai menggunakan bresing lebih kecil dari pada kondisi eksisting serta evaluasi displacement dan drift ratio dari data riwayat gempa lebih rentan terhadap beban gempa Simeulue 1 dengan nilai PGA 1,281 g. Kata kunci: Perkuatan Seismik, Pushover, Time History, IDA, Kurva Kerapuhan  Abstract The structure of the BSI Cut Mutia Banda Aceh Building has several cracks in the beams and columns due to the earthquake, so it requires strengthening by analyzing the structure using the pushover method to determine the maximum shear and displacement forces that the structure can withstand in the existing conditions and after being strengthened using braces and performance levels as well as the mechanism of plastic hinges and drift between floors. The development of the fragility curve uses the Incremental Dynamic Analysis (IDA) method to show the probability level of structural damage from 10 recorded earthquakes. The data needed are initial planning drawings, steel quality, concrete quality and modeled using SAP2000 software, static analysis of dead and live loads and dynamic analysis is carried out. The results showed that the steel bracing profile IWF 150x150x10x7 met safety for reinforcement systems. The deviation between floors using braces is smaller than the existing conditions and the displacement and drift ratio evaluation from historical earthquake data is more susceptible to the Simeulue 1 earthquake load with a PGA value of 1.281 g. Keywords: Seismic Strengthening, Pushover, Time History, IDA, Fragility Curve.
Co-Authors Alhadi Setiawan Burhanuddin Burhanuddin Hamzani Hamzani Muhammad Iqbal Munirwansyah Munirwansyah Sugiarto Sugiarto Taufiq Saidi Yovi Chandra Zahra Amalia