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All Journal RACIC : Rab Construction Research Musamus Journal of Civil Engineering Jurnal Pengabdian Masyarakat Multidisiplin Journal of Infrastructure and Civil Engineering Impression : Jurnal Teknologi dan Informasi
Muhammad Yazid
Teknik Sipil, Universitas Abdurrab
Aerospace Engineering Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Other

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KAJIAN SIFAT MEKANIK BATANG BAMBU DENGAN ISIAN MORTAR PADA DESAIN GEOMETRI SAMBUNGAN Astuti Masdar; Mhd. Ryan Angryanof; Muhammad Idris; Umar Khatab; Ronny Jnnnaidy; Muhammad Yazid
Racic : Rab Construction Research Vol. 11 No. 1 (2026): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v11i1.7717

Abstract

Bamboo has become a preferred construction material to replace wood because it has superior mechanical strength and is environmentally friendly. One of the superior bamboo species is petung bamboo (Dendrocalamus asper). Petung bamboo is known for its large stem size and high strength, making it potentially used as a structural material. However, the hollow and fibrous shape of bamboo makes it prone to breaking, especially when stress concentration occurs with a small contact area at the joint. Bamboo stems can break due to uneven shrinkage and expansion. In this condition, filling is carried out in the stem cavity of the bamboo connection system, one of which is by filling with mortar. This study aims to determine the effect of the presence of mortar as a filling in the bamboo stem on the mechanical properties related to the analysis of bolt spacing in the intact bamboo connection system including shear strength and bearing strength as well as determining the value of the physical properties of bamboo in the form of water content and density. The study was conducted experimentally referring to the ISO 22157–2019 standard. The test specimens consisted of Petung bamboo with and without mortar filling as a comparison. It is hoped that the results of this study will reveal the extent to which the use of mortar as a filling in bamboo stems can improve the shear resistance and bearing strength of bamboo stems, thereby providing additional references for the design of intact bamboo joints that use mortar filling in the stems.
Pengaruh Variasi Kadar dan Ukuran Butiran Palm Oil Fuel Ash (POFA) terhadap Kuat Tekan dan Berat Isi Mortar Busa Doni Basri; Muhammad Yazid; Riski Nando Pratama; Abi Wahyudi
Journal of Infrastructure and Civil Engineering Vol. 6 No. 2 (2026)
Publisher : Program Studi Teknik Sipil Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/jice.v6i2.187

Abstract

Pemanfaatan limbah Palm Oil Fuel Ash (POFA) sebagai material substitusi pada mortar busa menjadi alternatif dalam pengembangan material konstruksi ringan berbasis limbah agroindustri. Penelitian ini bertujuan menganalisis pengaruh variasi kadar dan ukuran butiran POFA terhadap kuat tekan serta berat isi mortar busa. Penelitian menggunakan desain kuantitatif eksperimental laboratorium. Material penyusun terdiri atas semen PCC, pasir Sungai Kampar, air sumur bor Kampus I Universitas Abdurrab, agen foam nabati SMACON, dan POFA sebagai material substitusi. Variasi kadar POFA adalah 0%, 10%, 20%, dan 30%, sedangkan fraksi ukuran nominal yang dibandingkan adalah 1,18 mm (saringan No. 16) dan 0,60 mm (saringan No. 30). Pengujian dilakukan pada umur 7 dan 14 hari sehingga hasil penelitian merepresentasikan performa umur awal mortar busa. Data dianalisis secara deskriptif-komparatif melalui perbandingan nilai rata-rata, perubahan terhadap campuran kontrol, serta rasio kuat tekan terhadap berat isi. Hasil menunjukkan bahwa pada umur 7 hari, kuat tekan tertinggi diperoleh pada campuran 30% POFA ukuran 0,60 mm (No. 30), sedangkan pada umur 14 hari kuat tekan tertinggi diperoleh pada campuran kontrol tanpa POFA. Berat isi terendah diperoleh pada campuran 20% POFA ukuran 1,18 mm (No. 16) umur 7 hari. Temuan ini menunjukkan bahwa penggunaan POFA berkaitan dengan perubahan kuat tekan dan berat isi mortar busa, tetapi pola perubahannya tidak linier. Secara praktis, POFA berpotensi dimanfaatkan sebagai material substitusi mortar busa, namun penerapannya memerlukan optimasi kadar, ukuran butiran, dan umur rencana agar diperoleh keseimbangan antara kekuatan mekanis dan karakter ringan material.
Co-Authors Abi Wahyudi Ahmad Kurnain Al Hafis Liontin Doni Basri Doni Rinaldi Basri Febri Dani Wahyudi Fitra Ramdhani Hari Hamid Husaini, Rizki Ramadhan Husnah Husnah Husni Mubarak Husni Mubarak Islami, Deri Kenepri Kenepri Masdar, Astuti Mhd. Ryan Angryanof Muhammad Defri Wahyudi Muhammad Fajar Anugrah Muhammad Hanif Ahda Muhammad Idris Muhammad Toyeb Puspa Ningrum Rahmat Tisnawan Riski Nando Pratama Ronny Jnnnaidy Salamun Salamun Siti Fini Annisa Siti Juariah Sukri Sukri Teddy Julio Gunawan Tri Ramadani Umar Khatab Valzon, May