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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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Journal : Journal La Multiapp

 1 
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.
Comparative Analysis of the Support Capacity and Settlement of Bored Pile Foundations Using Manual Methods and Allpile Software: Case Study Hidayatulloh, Syarif; Pascanawaty, Maya Saridewi; Hamdani, Hafiz; Fitrayudha, Adryan
Journal La Multiapp Vol. 6 No. 6 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i6.2530

Abstract

Foundations are structural elements that function to bear the load of a building and transfer it to the ground to a certain depth. Foundations must be designed so that the transferred load does not exceed the bearing capacity of the soil, as this can cause excessive settlement and lead to structural collapse. The purpose of this study is to determine the comparison of bearing capacity and settlement of bored pile foundations in the Poltekkes Kemenkes Mataram building using two approaches: the manual method and the Allpile software. The analysis was conducted based on secondary data obtained from the Detailed Engineering Design (DED), results of the Standard Penetration Test (SPT), and laboratory soil test results. The results of the manual Meyerhof method yielded an ultimate bearing capacity of 13,127.79 kN and a single pile settlement of 0.0455 m. The manual Reese and Wright method yielded an ultimate bearing capacity of 2,697.3453 kN and a single pile settlement of 0.0241 m. Meanwhile, the Allpile software calculation yielded an ultimate bearing capacity of 14,391.891 kN and a single pile settlement of 0.0027 m. All settlement values, both for single piles and groups, remain below the maximum permitted limit.
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