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Influence of Epoxy Resin on the Compressive Strength of Laminated Bamboo Short Columns Javil Egi Pratama Abdurahman; Fadly Ardiyatna; Muhammad Nur; Moh Haifan
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i1.7927

Abstract

The use of laminated bamboo columns as alternative building materials has attracted increasing attention, particularly as a substitute for wood in construction. Bamboo lamination techniques enable the production of structural materials with tailored mechanical properties. Numerous previous studies have investigated the compressive strength of laminated bamboo short columns subjected to various treatments. This study aims to evaluate the compressive strength and failure patterns of laminated bamboo short columns under compression loading. The experimental program included physical and mechanical characterization of bamboo, followed by compression testing of laminated bamboo short columns with dimensions of 10 cm × 10 cm × 30 cm. Three treatment variations were examined: untreated laminated columns, epoxy resin–coated columns, and steel plate–reinforced columns. The results indicate that untreated laminated bamboo columns exhibited an average compressive strength of 28.044 MPa, with cracking concentrated at the top of the column. Epoxy resin–coated laminated bamboo columns achieved an average compressive strength of 28.774 MPa, showing crack formation distributed across several regions of the column. Steel plate–reinforced columns demonstrated the highest average compressive strength of 31.138 MPa, with failure localized in the region between the steel plates. These findings provide valuable insights into the effectiveness of different treatment methods in enhancing the compressive performance and failure characteristics of laminated bamboo columns.
Analisis Penggunaan Cement Deep Mixing (CDM) pada Proyek Proving Ground BPLJSKB Kabupaten Bekasi : Studi Kasus Zona High Speed Oval STA 2+840 – 2+980 Muhammad Zuhdi; Rahmat Subriyanto; Lili Jamali; Moh Haifan
Jurnal Publikasi Teknik Informatika Vol. 5 No. 1 (2026): Januari: Jurnal Publikasi Teknik Informatika
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jupti.v5i1.6379

Abstract

The Proving Ground Project of BPLJSKB Bekasi is a strategic infrastructure development aimed at improving vehicle quality, safety, and performance. The main challenges in this project is the low bearing capacity of the subsoil, particularly in the High Speed Oval zone at STA 2+840–2+980, which may lead to excessive settlement and structural instability. To address this issue, a soil improvement technique using Cement Deep Mixing (CDM) was implemented. This study aims to evaluate the effectiveness of CDM in enhancing soil strength and stability in the specified zone. A case study approach was employed by collecting primary and secondary data, including geotechnical investigation data, construction records, and laboratory and field test results before and after CDM implementation. The results indicate that the application of CDM significantly improves soil strength parameters, with an average increase of approximately 30% compared to the initial condition. In addition, CDM effectively reduces potential ground settlement and enhances slope stability in the project area. These findings demonstrate that Cement Deep Mixing is a reliable and sustainable ground improvement method for infrastructure projects constructed on soft soils. Therefore, CDM is recommended for similar projects requiring high structural performance and long-term stability.