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All Journal TEKNIK MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Ilmiah Desain & Konstruksi Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Konstruksia FROPIL (Forum Profesional Teknik Sipil) Jurnal Aplikasi Teknik Sipil Jurnal Proyek Teknik Sipil Jurnal Rekayasa Sipil JURNAL SAINTIS JMTS: Jurnal Mitra Teknik Sipil JURNAL TEKNIK SIPIL UNAYA Jurnal Pengabdian kepada Masyarakat Techno Journal of Infrastructure Planning and Engineering Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) Jurnal Jalan Jembatan
Aazokhi Waruwu
Program Studi Teknik Sipil, Universitas Pelita Harapan
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Public Health Social Sciences Transportation Other

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Journal : Journal of Infrastructure Planning and Engineering

 1 
The behavior of the Perbaungan railway subgrade Aazokhi Waruwu; Muhammad Arfan; Tubel Oktor Waruwu
Journal of Infrastructure Planning and Engineering (JIPE) Vol. 1 No. 1 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (287.948 KB) | DOI: 10.22225/jipe.1.1.2022.46-50

Abstract

Railway subgrade is a layer consisting of soil material which can be in the form of natural soil, repaired material, and in the form of embankment of selected soil material that meets the specifications. The subgrade that meets the requirements is soil with a minimum CBR value of 8% with a minimum thickness of 30 cm. This study aims to analyze and evaluate the CBR value of the railway subgrade. Subgrade analysis was carried out on the improvement of the railway - replacement of concrete pads and rails R.25/33/42 to R.54 concrete pads from km 39 + 100 to km 40 + 200 along 1100 m in Perbaungan North Sumatra. The structure of the soil layer that is analyzed is the structure of the subsoil in the form of subgrade. The CBR value of the subgrade in the form of soil is determined based on the results of the analysis of the DCP data. The CBR value is evaluated based on the provisions that apply to the railway subgrade. The behavior of the railway subgrade can be seen from the CBR value of the original subgrade. Based on the results of the analysis, it was found that the behavior of the railway subgrade was quite diverse and it was found that only 39% met the requirements for the rail subgrade. Handling carried out in the field to improve the behavior of the subgrade is by using a backfill system made of good material with a density and CBR value that meets the requirements for railways.
Study bearing capacity of subgrade using combination bamboo grid and stabilized soil Aazokhi Waruwu; Paulus Dwi Surya Emili Yanto; Rika Deni Susanti; Syukurman Harefa
Journal of Infrastructure Planning and Engineering (JIPE) Vol. 1 No. 2 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (326.365 KB) | DOI: 10.22225/jipe.1.2.2022.87-92

Abstract

The subgrade of road construction also determines the strength and resistance to loads on it. The subgrade in the field very varies from soft clay to hard soil. The subgrade of soft clay requires soil improvement to increase bearing capacity. This study aims to determine the increase in bearing capacity and modulus of subgrade reaction in stabilized soil with the bamboo grid. The research was conducted through a physical model using a test box. Soft clay is compacted and the above it is replaced with stabilized soil with and without the bamboo grid. The height of stabilized soil varied from 0-15 cm. The results showed that the bearing capacity increased along with the increase in height of stabilized soil. The subgrade of stabilized soil which was given additional reinforcement of bamboo grid was able to increase the value of bearing capacity and modulus of subgrade reaction. A significant increase was obtained in the height of stabilized soil at least equal to the diameter of the test plate.
Co-Authors Aazokhi Waruwu Ahmad Rifa’i Akbar Lubis Andry Galardo Naibaho Arif Darmawandi Arif Darmawandi Asfira, Dinda Wulan Baby Maureent Tessalonika Panjaitan Boediono, Mario Endrico Calvin, Fransiscus Celline, Felicia Cindy Meutia Dewi David Nicolas Bangun Simanjorang Debby Endriani Dian Rano Doni Harianto Ebtanas Murni Waruwu Ebtanas Murni Waruwu Fembriaman Gea Gandawijaya, Darryl Gregory Hary Christady Hardiyatmo, Hary Christady Herman Sanjaya Sihombing Indra Lesmana Jack Widjajakusuma Jefri Yanto Agustria Hia Jhonson Frenky Leonardo Sirait Kevin Aprilio Wibowo Lujaya, Jason Maruly Tua Silalahi Memotani ZEGA Memotani Zega Muammar Muammar Muammar Muammar Muhammad Arfan Nst, Taufik Hidayah Optimisman Zega Pangemanan, Indah Paulus Dwi Surya Emili Yanto Polii, Brian Denzel Priyo, Aaron Nicholas Rahayu, Priskila Christine Raymond Raymond Rika Deni Susanti Rika Deni Susanti Rika Deni Susanti Rika Deni Susanti Rivaldi Dojen Sitinjak Setiawan, Calvien Simbolon, Doni Samuel Sinaga, Rionaldi Surta Ria Nurliana Panjaitan Susanti, Rika Deni Syukurman Harefa Syukurman Harefa Tantono, Clarissa Taufik Hidayah Nst Tematius Halawa Tematius Halawa Try Yogi Purba Tubel Oktor Waruwu Wijaya, Nehemia Yunita, Yulia