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All Journal International Journal of Engineering, Science and Information Technology Jurnal Teknik Sipil
Joni Arfiandi
Universitas Malikussaleh
Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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Monitoring the Dynamic Behavior of PCI Bridges Using Short Period Seismograph and CSI Bridge Modeling Said Jalalul Akbar; Maizuar Maizuar; Khairullah Yusuf; Joni Arfiandi
International Journal of Engineering, Science and Information Technology Vol 1, No 4 (2021)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (581.345 KB) | DOI: 10.52088/ijesty.v1i4.168

Abstract

Bridges are a critical part of transport infrastructure networks for social activities and economics of human life. Dynamic analysis of bridge is very important to perform in order to ensure the ability of the bridge to withstand loads and maintain the sustainability of transport infrastructure. This paper presents a methodological framework for monitoring dynamic behavior of the bridge (e.g., natural frequencies, displacement time history) by using civil engineering micro-tremor technique and numerical modeling. The study was conducted at the Alue Raya Bridge located in Lhokseumawe City, Aceh Province, Indonesia. To capture the dynamic behavior of the bridge under traffic loading, the micro-tremor techniques, e.g., Short Period Seismograph (SPS) sensor was placed underneath the bridge at the mid span of the bridge girder. The obtained vibration data were processed using Geopsy software. A three dimensional (3D) model of the bridge was then developed by using CSI Bridge software. The modal analysis was conducted to obtain the modal natural frequencies of the bridge due to traffic loads. The natural frequency measurements using SPS were compared with the simulation results. Through analyzing the measured results, it was found that the natural frequency of the bridge is around 4,3275 Hz which is very close to those obtained from numerical modeling using CSI bridge software. The measured maximum vertical displacement of the bridge girders is below 5mm under normal traffic condition which is under the allowable serviceability limit state requirements of the bridge. The outcomes of this study could have the potential to enable maintenance and capital works decisions which are an important component of the sustainability of transport infrastructure.
PERENCANAAN JARINGAN PERPIPAAN AIR MINUM MENGGUNAKAN APLIKASI WATERCAD V8-I Wesli Wesli; Fasdarsyah Fasdarsyah; Indra Kurniawan; Khairullah Yusuf; Said Jalalul Akbar; Maizuar Maizuar; Joni Arfiandi
Teras Jurnal : Jurnal Teknik Sipil Vol. 11 No. 2 (2021): Volume 11 Nomor 2, September 2021
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v11i2.554

Abstract

Abstrak Pelayanan kebutuhan air di wilayah IKK Bukit Oregon kurang memadai diduga jaringan pipa menjadi pokok masalahnya sehingga berdasar hal tersebut maka diperlukan evaluasi jaringan perpipaan air minum dan design dibuat dengan menggunakan software Aplikasi Watercad V8-I dan ingin diketahui seberapa besar kebutuhan debit pada proyeksi tahun 2030 termasuk kapasitas pompa dan jenis pipa transmisinya. Hasil pengamatan secara langsung di wilayah studi pada pelayanan terdapat permasalahan yang terjadi pada pipa transmisi, yaitu pipa dari intake (sumber air baku utama) menuju ke Instalasi Pengolahan Air (IPA) yang akan di distribusikan ke masyarakat. Permasalahan yang terjadi adalah pipa induk tersebut mengalami kebocoran akibat umur teknis pipa yang sudah tua. Meningkatnya jumlah penduduk sama halnya semakin meningkatnya pemenuhan akan kebutuhan air bersih. Permasalahan tersebut harus ditanggulangi dengan pergantian pipa dengan jenis dan diameter yang tepat serta kapasitas pompa yang sesuai hasil menggunakan software Watercad V8-i. Dari hasil perhitungan analisa pertumbuhan penduduk pada tahun 2030 dengan jumlah pelanggan 96.770 jiwa kebutuhan air mencapai 102,476 liter/detik. Sistem transmisi menggunakan sistem pompa dengan kapasitas terpasang 90 liter/detik. Jenis pipa yang dipakai untuk pipa transmisi menggunakan pipa HDPE dengan diameter 350 mm. Kata kunci: evaluasi, air bersih, perpipaan, pompa, Watercad V8-i   Abstract The service for water needs in the IKK Bukit Oregon area is inadequate, it is suspected that the pipeline network is the main problem, so based on this, it is necessary to evaluate the drinking water piping network and the design is made using the Watercad V8-I application software and wants to know how much the demand for discharge in the 2030 projection includes pump capacity and type of transmission pipe. The results of direct observations in the study area on the service there are problems that occur in the transmission pipe, namely the pipe from the intake (main raw water source) to the Water Treatment Plant (IPA) which will be distributed to the community. The problem that occurs is that the main pipe has a leak due to the technical age of the pipe which is old. The increasing population is the same as the increasing fulfillment of clean water needs. These problems must be overcome by changing the pipe with the right type and diameter and the pump capacity according to the results using the Watercad V8-i software. From the calculation results of population growth analysis in 2030 with the number of customers 96,770 people, water needs reach 102,476 liters/second. The transmission system uses a pump system with an installed capacity of 90 liters/second. The type of pipe used for the transmission pipe uses HDPE pipe with a diameter of 350 mm. Keywords: evaluation, clean water, piping, pump, Watercad V8-i 
Analisis Stabilitas Lereng Sungai Tamiang Kampung Rantau Pakam Khairullah Yusuf; Yassin Al Hadi; Emi Maulani; Said Jalalul Akbar; Joni Arfiandi
Teras Jurnal : Jurnal Teknik Sipil Vol. 13 No. 2 (2023): Volume 13 Nomor 2, September 2023
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v13i2.941

Abstract

Abstrak Lereng merupakan permukaan tanah yang memiliki beda tinggi. Ketidakstabilan lereng menyebabkan bencana keruntuhan yang menyebabkan kerugian secara materil maupun korban jiwa. Pada lereng Sungai Aceh Tamiang, Kampung Rantau Pakam, Provinsi Aceh sering terjadi bencana keruntuhan sehingga perlu dilakukan penelitian terhadap stabilitas lereng. Penelitian bertujuan mengetahui nilai faktor keamanan lereng dan meningkatkan nilai stabilitas lereng sungai dengan perkuatan lereng. Metode analisis menggunakan metode Bishop untuk perhitungan secara manual dan Metode Elemen Hingga menggunakan bantuan software Plaxis 2D. Jenis perkuatan stabilitas lereng menggunakan soil nailing dan dinding MSE. Hasil penelitian menunjukkan nilai faktor keamanan lereng eksisting tidak memenuhi persyaratan minimum kestabilan lereng maka perlu perkuatan lereng. Hasil perhitungan faktor keamanan stabilitas lereng dengan perkuatan soil nailing sebesar 1,335 lebih kecil dari persyaratan sebesar 1,5. Faktor keamanan stabilitas lereng dengan perkuatan dinding MSE sebesar 1,457 lebih besar dari persyaratan sebesar 1,3. Hasil analisis menunjukkan bahwa metode MSE lebih sesuai digunakan untuk perkuatan lereng. Kata kunci: Dinding MSE, faktor keamanan, metode Bishop, Plaxis 2D, soil nailing  AbstractThe slope is a ground surface that has a height difference. The instability of the slope can cause catastrophic collapse which causes material loss and loss of life. On the slopes of the Aceh Tamiang River, Rantau Pakam Village, Aceh Province, collapse of the slopes often occurs, so it is necessary to conduct research on slope stability. The research aims to determine the value of the slope safety factor and increase the stability value of river slopes by strengthening the slopes. The analytical method uses the Bishop method for manual calculations and the Finite Element Method uses Plaxis 2D software. The type of slope stability strengthening using soil nailing and MSE walls. The results showed that the value of the factor of safety for the existing slope did not meet the minimum requirements for slope stability, so it needed to strengthen the slope. Based on the analysis, the safety factor for slope stability with soil nailing strengthening is 1.335, which is less than the requirement of 1.5. The safety factor for slope stability with the MSE wall strengthening is 1.457, which is greater than the requirement of 1.3 for such method strengthening. The results of the analysis show that the MSE method is more suitable for slope strengthening at the location. Keywords: MSE wall, safety factor, bishop method, Plaxis 2D, soil nailing
The Effect of Carbon Nanotubes on the Marshall Characteristics of AC-WC Asphalt Mixture Said Jalalul Akbar; Maizuar Maizuar; Muthmainnah Muthmainnah; Nanda Savira Ersa; Adzuha Desmi; Joni Arfiandi; Ridwan Adha; Ditya Larasati Putri
International Journal of Engineering, Science and Information Technology Vol 5, No 1 (2025)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v5i1.690

Abstract

Carbon Nanotubes (CNTs) are cylindrical nanostructures with exceptional mechanical strength, high electrical conductivity, and excellent heat transfer capabilities, making them a promising additive in asphalt mixtures. This study investigates the effect of CNTs on the Marshall parameters of Asphalt Concrete-Wearing Course (AC-WC) mixtures using 60/70 penetration asphalt. CNTs were added to asphalt at 60°C, followed by coarse and fine aggregates preheated to 150°C. Marshall parameter tests were conducted on the samples, and the results showed a significant increase in stability compared to conventional asphalt. Asphalt stability increased by 9%, with the highest value obtained at a CNT concentration of 0.015%, reaching 2177.83 kg. The optimal stability was achieved at a CNT concentration of 0.015%. This study demonstrates that CNTs can be effectively utilized to enhance the performance of AC-WC asphalt mixtures. The flow values decreased as the CNT content increased because CNTs make the asphalt mixture stiffer, improving temperature resistance.
Co-Authors Adzuha Desmi Ditya Larasati Putri Emi Maulani Ersa, Nanda Savira Fasdarsyah Fasdarsyah Indra Kurniawan Khairullah Yusuf Maizuar Maizuar Muthmainnah Muthmainnah Ridwan Adha Said Jalalul Akbar Wesli Wesli Yassin Al Hadi