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All Journal Jurnal Konstruksia Jurnal Teknik Sipil AGREGAT Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Portal: Jurnal Teknik Sipil Jurnal Pembelajaran Pemberdayaan Masyarakat (JP2M) Community Development Journal: Jurnal Pengabdian Masyarakat Spektrum Sipil Journal La Multiapp Rengganis Jurnal Pengabdian Masyarakat Jurnal Talenta Sipil Prosiding Seminar Nasional Teknik Sipil UMS International Journal of Science and Environment Innovative: Journal Of Social Science Research Jurnal Rekayasa Infrastruktur Hexagon
Adryan Fitrayudha
Universitas Muhammadiyah Mataram
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Transportation Other

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Analisis Perilaku Kuat Geser Tanah Pasir Berlempung yang Distabilisasi dengan Serat Polypropylene Daur Ulang pada Kondisi Kadar Air Berbeda Pujiastuti, Heni; Fitrayudha, Adryan; Hidayati, Nurul; Hafiz, Syaepudin; Bandu, Andi Rachman
Prosiding Seminar Nasional Teknik Sipil UMS 2025: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Tanah pasir berlempung memiliki porositas tinggi dan kekuatan geser yang rendah, sehingga berpotensi menyebabkan ketidakstabilan dalam konstruksi. Untuk mengatasi hal tersebut, salah satu upaya yang dapat dilakukan adalah menambahkan serat polypropylene daur ulang sebagai bahan stabilisasi tanah. Penelitian ini bertujuan untuk menganalisis pengaruh variasi serat polypropylene terhadap parameter kuat geser tanah pasir berlempung pada tiga kondisi kadar air, yaitu dry side of optimum, optimum, dan wet side of optimum. Kontribusi penelitian ini terhadap bidang geoteknik adalah memberikan alternatif stabilisasi tanah yang ramah lingkungan dengan memanfaatkan limbah plastik daur ulang. Metode yang digunakan adalah eksperimental menggunakan alat uji geser langsung (direct shear test) untuk memperoleh nilai kohesi (c) dan sudut geser dalam (ϕ), dengan variasi campuran serat sebesar 0%, 0,25%, 0,5%, dan 0,75%. Sampel tanah diambil dari Dusun Bumbang, Desa Mertak, Kabupaten Lombok Tengah. Hasil menunjukkan bahwa penambahan serat polypropylene sebesar 0,5% memberikan hasil optimum pada ketiga kondisi. Pada kondisi optimum, nilai kohesi dan sudut geser dalam mencapai 1,435 kg/cm² dan 33,166°; pada dry side of optimum sebesar 1,042 kg/cm² dan 30,15°; serta pada wet side of optimum sebesar 0,811 kg/cm² dan 26,95°. Penambahan 0,25%, 0,5% dan 0,75% serat polypropylene pada ketiga kondisi kadar air memberikan hasil yang signifikan dan efektif terhadap peningkatan parameter kekuatan geser tanah pasir berlempung.
Experimental Study on the Utilisation of Independent Wire Fibre Core Steel Wire Rope Braces to Enhance the Stability of a 2d Concrete Portal against Lateral Forces Zarkasi, Ahmad; Fitrayudha, Adryan; Hidayati, Nurul; Santika, Yuliana; Marsa D.P, Khendy
Journal La Multiapp Vol. 6 No. 3 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i3.2170

Abstract

Structural stability in construction, especially in buildings exposed to lateral forces due to earthquakes, is very important to consider. This research aims to explore the effectiveness of using Independent Wire Fibre Core (IWFC) steel wire rope braces in strengthening two-dimensional (2D) concrete portals. The method used is a series of laboratory tests to measure the performance of concrete portals equipped with IWFC braces. Concrete portals with dimensions of 1.00 m in the width direction and 1.50 m in the height direction were tested with lateral loading to simulate the effects of earthquakes. The test results showed that the use of IWFC braces increased the load resistance capacity of the portal by 16.13%, from 14.00 kN to 26.13 kN, and reduced the deviation by 30.43%, from 2.30 mm to 1.68 mm. In addition, the analysis showed an increase in the response modification factor (R) from 4.69 to 5.03, while the Cd value of the non-braced portal was 3.29 using braces was 3.02 and the Ω0 value of the non-braced portal was 3.50 and after using braces was 2.84. These findings open up opportunities for the application of better structural strengthening techniques in order to improve the safety and stability of buildings in earthquake-prone areas.
Sustainable Utilisation of Beach Sand as Fine Aggregate Replacement and Its Effect on Concrete Strength with Admixtures Reinforcement Hamdani, Hafiz; Zarkasi, Ahmad; Fitrayudha, Adriyan; Akhsae, I Gede Anaga; Pratama, Khendy Marsha Duta
Journal La Multiapp Vol. 6 No. 3 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i3.2171

Abstract

This research was conducted to review the feasibility of beach sand from the Batu Bolong village of West Lombok Region as an alternative fine aggregate in concrete manufacturing. The background of this research is based on the decreasing supply of sand from rivers and mountains. The main objective of this research was to evaluate the compressive strength of concrete using beach sand, both with and without a washing process, and assess whether this material could be applied in structural construction. In addition to technical aspects, the local community's habit of utilizing beach sand is also part of the consideration in this study. The result oh the tests showed that the compressive strength of normal concrete without admixtures at 3, 7, and 28 days of age were 16.42 MPa, 19.21 MPa, and 23.39 MPa, respectively. The addition of the "BETON MIX" admixture increased the strength to 20.78 MPa, 23.38 MPa, and 26.44 MPa. Meanwhile, concrete using washed beach sand showed compressive strengths of 22.67 MPa, 23.61 MPa, and 25.16 MPa. The concrete with unwashed beach sand produced strengths of 21.72 MPa, 22.40 MPa, and 23.08 MPa. The results of this study indicate that sand from Batu Bolong beach has the potential to be a substitute for fine aggregate in concrete. However, its use must still consider ecological impacts so as not to disturb the balance of the coastal environment.
The Influence of Base Isolator on The Reinforced Concrete Structures at Sapadia Mataram Hotel Earthquake-Induced Zarkasi, Ahmad; Hariyadi, Hariyadi; Hidayati, Nurul; Fitrayudha, Adryan; Heru, M.
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 9, No 1 (2024): EDISI MARET 2024
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v9i1.5562

Abstract

Ring of Fire and at the intersection of three tectonic plates. Efforts are needed to minimize earthquake damage, one of which is the use of a base isolator system. This study aims to determine the effect of using High Damping Rubber Bearing (HDRB) with a diameter of 800 mm on the behavior of reinforced concrete structures in tall buildings under seismic loads. The research location is the 7-story Sapadia Hotel building in the city of Mataram. The research is conducted by analyzing a 3D model of the fixed base structure and the base isolator structure using numerical analysis. The results show an increase in the base displacement of the base isolator structure by 59% in the x-direction and 44% in the y-direction, while the inter-story displacement decreases by 36% in the x-direction and 69% in the y-direction. The use of base isolators can reduce the shear force by 35% in the x-direction and 15% in the y-direction. Based on the pushover analysis, the roof displacement values for the fixed base and base isolator structures are 0.159 m and 0.129 m respectively. These values can be used to determine the structural performance level according to ATC-40. The maximum drift value for the fixed base structure is 0.0055 m. For the base isolator structure, the maximum drift value is 0.0044 m, categorized as Immediate Occupancy (IO). This value can be used to determine the performance level of the structure based on ATC-40. The maximum drift value of the fixed base structure is 0.0055m. While in the base isolator structure, the maximum drift value is 0.0044 m which is included in Immediate Occupancy (IO). Thus, the use of base isolators in high-level buildings is able to reduce post-earthquake damage and the building is still safe to continue using.
Mechanical Characterization of Sumbawa Local Sisal Fiber Polyester Composite Sandwich Panel compared to Meranti Wood Panels Fitrayudha, Adryan; Hidayati, Nurul; Zarkasi, Ahmad
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 8, No 1 (2023): EDISI MARET 2023
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v8i1.4493

Abstract

The development of composite material engineering is an effective solution for the development of green building-based materials that are being campaigned in various parts of the country today. The fundamental problem in composite engineering that is developing is the lack of use of environmentally friendly materials as the basic material for composite constituents. The use of natural fiber-based composite materials as reinforcement is one of the right solutions to answer the issue of green building in producing more environmentally friendly materials with much better mechanical resistance. The study aims to determine the flexural characteristics of sandwich panel beams of sengon (SPS) in comparison to Meranti beams. The material used as skin for SPS beams is a composite of sisal fiber polyester from Sumbawa Island. Test standard based on ASTM C393 (length 550 mm, width 50 mm, thickness 25 mm), with a total of 5 specimens each. The test results showed that the SPS beams had an average bending stress of 167.66 MPa, while the Meranti wood beams produced an average bending stress of 94.29 MPa. The amount of bending stress produced by SPS beams is 43.38% higher than meranti wood beams. The average deflection value of SPS beams is 20.34 mm, greater than the average deflection value of sengon wood of 15.42 mm. This shows that the use of sisal polyester composite skin on SPS beams can produce better mechanical characteristics compared to Meranti wood.ABSTRAKPerkembangan rekayasa material komposit merupakan solusi yang efektif bagi pengembangan material berbasis green building yang sedang dikampanyekan di berbagai belahan negara saat ini. Permasalahan mendasar dalam rekayasa komposit yang tengah berkembang adalah minimnya penggunaan material ramah lingkungan sebagai bahan dasar penyusun komposit. Penggunaan material komposit berbasis serat alam sebagai perkuatan (reinforcement) merupakan salah satu solusi yang tepat guna menjawab isu green building dalam menghasilkan material yang lebih ramah lingkungan dengan ketahanan mekanis yang jauh lebih baik pula. Penelitian ini bertujuan untuk mengetahui karakteristik lentur pada balok sandwich panel kayu sengon (SPS) dengan pembanding balok kayu meranti (kayu kelas II). Material yang digunakan sebagai skin pada balok SPS adalah komposit polyester serat sisal yang dibudidayakan di Pulau Sumbawa, Nusa Tenggara Barat. Standar pengujian berdasarkan ASTM C393 (panjang 550 mm, lebar 50 mm, tebal 25 mm), dengan jumlah masing-masing 5 benda uji. Hasil pengujian menunjukkan balok SPS memiliki tegangan lentur rata-rata sebesar 167,660 MPa, sedangkan pada balok kayu meranti menghasilkan tegangan lentur rata-rata sebesar 94,292 MPa. Besarnya tegangan lentur yang dihasilkan balok SPS lebih tinggi 43,380% dibandingkan balok kayu meranti (kayu kelas II). Nilai lendutan rata-rata pada balok SPS sebesar 20,340 mm, lebih besar dibandingkan nilai lendtan rata-rata kayu sengon sebesar 15,420 mm. Hal tersbut menunjukkan bahwa penggunaan skin komposit polyester sisal Sumbawa pada sandwich panel kayu sengon mampu menghasilkan karakteristik mekanik yang lebih baik dibandingkan dengan kayu Meranti.
Study of scheduling DPRD building of North Lombok Regency using BIM 5D with Tekla Structural software Toriqurrahman, Toriqurrahman; Hamdani, Hafiz; Fitrayudha, Adryan
International Journal of Science and Environment (IJSE) Vol. 5 No. 3 (2025): August 2025
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i3.174

Abstract

The Lombok Utara Regency DPRD Building Construction Project is a multi-story building construction project using conventional scheduling methods with an S-curve. In accordance with Government Regulation No. 16 of 2021 on the implementation regulations of Law No. 28 of 2002 on building construction, which mandates the use of BIM for medium and high-rise buildings. This study aims to investigate the use of BIM through Tekla Structures software in planning project scheduling based on Detailed Engineering Design (DED) data. The research methodology begins with the collection of relevant references and shop drawing data. Using the obtained data, a 3D model can be created using Tekla Structures 2025 software, followed by scheduling tasks using Tekla Task Manager. The advantages of scheduling using Tekla Structures include the ability to create detailed models and facilitate scheduling through its available features, which display visualizations of each stage of progress. Compared to conventional scheduling using an S-curve, Tekla Structures provides accurate information through the visualizations it displays. The scheduling results for the construction project of the Lombok Utara Regency DPRD Building using the S-curve required 139 calendar days, while using Tekla Structures software required 111 calendar days. This study demonstrates that BIM technology can significantly enhance construction project efficiency.
Penerapan Sistem Prategang pada Perancangan Struktur Bentang Panjang Gedung Poltekkes Mataram Wijanarko, Riza; Hariyadi, Hariyadi; Fitrayudha, Adryan
Jurnal Talenta Sipil Vol 8, No 2 (2025): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i2.1010

Abstract

The Mataram Poltekkes building located in Mataram, West Nusa Tenggara consists of 4 floors with a total height of 16.8m. The entire floor of this building uses a reinforced concrete structure, which makes it vulnerable to lateral forces, especially those caused by earthquakes. Earthquakes are at risk of causing building damage, therefore a strong structure is needed to carry the load of the structure and put pressure on the beams structure. One method to strengthen the structure is by using prestressed beams. This research was conducted by changing the design of the beams structure from conventional to prestressed beams structure. The research problems in this study is how the comparison of the weight efficiency of buildings using conventional beams with prestressed beams and how the effect of prestressed beams on the stretch between columns. so that researcher get the purposes of knowing the comparison of the weight efficiency of buildings using conventional beams with prestressed beams and knowing the effect of prestressed beams on the stretch between columns. In this study, a general type of data collection method was used, namely data collection carried out by collecting working drawings from project service providers. The results of the analysis showed that the prestressed beams used concrete with a compressive strength of 50 MPa, dimensions of 1.6 m x 0.6 m and an initial prestress force of 400 kN. These prestressed beams experienced a loss of prestress force of 12.87%. The number of tendons used is 1 tendon with a total of 4 strands in one tendon. The weight of the building using prestressed beams is lighter than conventional beams with an efficiency of 7.471%. In conclusion, buildings using prestressed beams are more efficient than using conventional beams
Effect of Coarse Aggregate Dimensional Variation On The Compressive Strength of Concrete Oktavian, Yogika; Hamdani, Hafiz; Fitrayudha, Adryan
International Journal of Science and Environment (IJSE) Vol. 5 No. 3 (2025): August 2025
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i3.212

Abstract

In the world of construction, concrete has a very important function as the main material due to its role in maintaining the strength and stability of the structure. This study aims to evaluate the effect of coarse aggregate size variations on the compressive strength of concrete and determine the most suitable size for use. The use of coarse aggregates is focused on granules that are retained on 3/4-inch and 3/8-inch sieves. The results showed that concrete with coarse aggregate retained in a 3/8 inch sieve had a higher compressive strength than 3/4 inch aggregate. At 3 days of age, the average compressive strength value reached 12,078 MPa for 3/8 inch coarse aggregate and 10,587 MPa for 3/4 inch aggregate. This difference continued at the 28-day lifetime compressive strength (the result of the 1971 PBI conversion), which was with an average value of 30,296 MPa for a 3/8 inch aggregate and 26,469 MPa for a 3/4 inch aggregate. This difference is due to a tighter distribution of patricles, reduced pore volume, and more optimal bonding of cement paste and aggregate. Therefore, the selection of coarse aggregate sizes needs to be adjusted to the purpose of construction.
Studi Kuat Tekan Beton Pada Agregat Halus Dengan Kadar Lumpur Berlebih Menggunakan Penambahan Bahan Aditif Ridho, Syarifunnaji; Hamdani, Hafiz; Fitrayudha, Adryan; Haryadi, Haryadi
Innovative: Journal Of Social Science Research Vol. 5 No. 4 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i4.20999

Abstract

Beton merupakan material konstruksi yang sering digunakan karena kuat terhadap gaya tekan,namun mutunya sangat dipengaruhi oleh kualitas agregat halus, khususnya kadar lumpur. Penelitianini bertujuan membandingkan kuat tekan beton normal dengan kadar lumpur <5%, beton dengankadar lumpur >5%, serta beton berkadar lumpur >5% dengan penambahan aditif berjenisplasticizer. Pengujian kuat tekan dilakukan pada umur 3 hari dan 28 hari. Hasil menunjukkan betonnormal memiliki nilai 14,9 MPa pada 3 hari dan 27,6 MPa pada 28 hari, melampaui kuat tekanrencana 25 MPa. Beton dengan lumpur >5% turun menjadi 11,7 MPa pada 3 hari dan 15,4 MPa pada28 hari. Penambahan aditif meningkatkan mutu, pada dosis kecil menjadi 13,3 MPa dan 20,3 MPa,sedangkan dosis menengah mencapai 15,0 MPa dan 25,9 MPa. Aditif dosis menengah terbuktiefektif memulihkan mutu beton hingga mendekati beton normal dan memenuhi target.Kata Kunci: Agregat Halus, Bahan Aditif, Beton, Kadar Lumpur, Kuat Tekan
Transformasi kompetensi Guru SMK dengan land development autodesk civil 3D Zarkasi, Ahmad; Efendy, Anwar; Fitrayudha, Adryan; Muttaqin, Aulia; Sasmito; Wahyudi, Mudji; Adiansyah, Joni Safaat; Winarti, Dwi; Novianti, Intan; Amelia, Dinda Risky
Jurnal Pembelajaran Pemberdayaan Masyarakat (JP2M) Vol. 5 No. 3 (2024)
Publisher : Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/jp2m.v5i3.22139

Abstract

Tridharma Perguruan Tinggi meliputi pembelajaran, pengabdian kepada masyarakat, dan riset. Salah satu kewajiban utamanya adalah melaksanakan Pengabdian Kepada Masyarakat (PKM), berupa gotong royong, pelatihan, pendampingan, advokasi, dan sosialisasi. Kurikulum 2013, yang terus diperbaiki, mencakup aspek pengetahuan, sikap, dan keterampilan. Sekolah Menengah Kejuruan (SMK) juga mengalami penyempurnaan Kurikulum 2013, yang berimplikasi pada perubahan materi ajar. Dalam hal ini, kompetensi keahlian Desain Permodelan dan Informasi Bangunan (DPIB) membutuhkan penguasaan materi ajar baru. Teknologi Autodesk Civil 3D, yang digunakan untuk desain teknik, menjadi penting untuk diajarkan. Pelatihan ini bertujuan untuk mengenalkan Civil 3D kepada guru-guru SMKN 1 Gunungsari guna meningkatkan kompetensi mereka dan mempersiapkan siswa dengan keterampilan yang relevan dengan industri. Metode yang digunakan meliputi identifikasi kebutuhan, partisipasi dan kolaborasi dengan mitra industri, pendekatan partisipatif dalam proyek nyata, serta pelatihan yang mencakup presentasi, demonstrasi, dan praktik langsung. Hasil evaluasi menunjukkan peningkatan signifikan dalam kompetensi guru, dengan capaian rata-rata 82% meningkat 57% dari sebelumnya. Dengan mengintegrasikan pembelajaran Civil 3D ke dalam metode pembelajaran tefa memberikan penerapan yang lebih nyata dalam proses pembelajaran sehingga lulusan SMKN 1 Gunungsari memiliki daya saing tinggi di dunia kerja.
Co-Authors Ahmad Zarkasi Ahmad Zarkasi Akhsae, I Gede Anaga Amaelisa, Viara Amelia, Dinda Risky Anwar Efendy Aulia Muttaqin Aulia Muttaqin Bandu, Andi Rachman Buan Anshari Chairil Anhar Cholid Zulfikan, Aan Dodik Kusumawanto Ekasapta, Febrian Erni Yustissiani Fariyadin, M. Ruslin Anwar, Indradi Wijatmiko, Adiman Feri Irawan Hadi Rasikhun Hady Rasikhun Hafiz Hamdani Hafiz, Syaepudin Haidir Azim Hamdani, Hafiz Hariyadi Hariyadi Hariyadi, Hariyadi Haryadi - Heni Pujiastuti Heni Pujiastuti Heru, M. Hurun Ain Intan Novianti Isfanari Isfanari Isfanari Isfanari Jauhar Fajrin Joni Safaat Adiansyah Khalis Ilmi, Muhammad Marsa D.P, Khendy Maya Saridewi Pascanawati Maya Saridewi Pascanawaty, Maya Saridewi Muhammad Basir Muhammad Khalis Ilmi Novianti, Intan Nurul Hidayati Nurul Hidayati Oktavian, Yogika Pratama, Khendy Marsha Duta Puteri Samengasbumi, Ringgi Rajabi Mubarak Ramadhan Hidayat, Ari Ridho, Syarifunnaji RR. Ella Evrita Hestiandari Rukandani, Baiq Aisya Astika Safitri, Nura Samengasbumi, Ringgi Puteri Santika, Yuliana Sasmito Sasmito Sasmito, Sasmito Sudhan Aroby Sukuryadi, Sukuryadi Swahip, Swahip Syarif Hidayatullah Syarif Hidayatulloh Syarifunnaji Ridho Titik Wahyuningsih Titik Wahyuningsih Toriqurrahman, Toriqurrahman Toyyib, Mukhtar Ubaidillah, Aji Syailendra Wahyudi, Mudji Wijanarko, Riza Winarti, Dwi winarti, dwi