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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Teknik Sipil Jurnal Teknik Sipil Journal of Engineering and Technological Sciences Mekanika Jurnal Teknik Sipil Journal of the Civil Engineering Forum Jurnal Aplikasi Teknik Sipil Jurnal Teknik Sipil
Bambang Suryoatmono
Universitas Katolik Parahyangan
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Transportation

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Studi Eksperimental Geser Blok pada Batang Tarik Kayu Indonesia Nessa Valiantine Diredja; Bambang Suryoatmono
Jurnal Teknik Sipil Vol 12 No 2 (2016): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v12i2.1418

Abstract

Salah satu kegagalan yang dapat terjadi pada suatu sambungan baja atau kayu adalah kegagalangeser blok. Penelitian ini mempelajari geser blok pada batang tarik kayu Indonesia. Ujieksperimental pada penelitian ini menggunakan 3 jenis kayu yang berbeda yaitu Sengon, AkasiaMangium, dan Meranti Kuning. Jumlah benda uji yang dibuat adalah 3 benda uji untuk masingmasing jenis kayu. Sambungan kayu adalah sambungan geser ganda dengan menggunakan alatsambung batang baja berulir berdiameter 10 mm. Jarak-jarak baut minimum setiap benda ujidibuat sesuai ketentuan SNI 7973:2013. Berdasarkan hasil perhitungan sambungan geser ganda,didapatkan hasil analisis bahwa kegagalan sambungan kayu yang terjadi adalah kegagalan tumpupada komponen utama kayu akibat tertekan alat sambung namun hasil pengujian eksperimentalmenunjukkan terjadinya keruntuhan geser blok pada sambungan kayu. Hasil kuat tarik dari ujieksperimental dan perhitungan menggunakan persamaan pada SNI 7973:2013 memiliki persenbeda antara 41,1% - 50,5% untuk Sengon, 47,2% - 48,1% untuk Akasia Mangium, dan 34,2% -47,7 % untuk Meranti.
Kajian Numerik Perilaku Sambungan Kayu Geser Tunggal Menggunakan Elemen Balok dan Elemen Solid Wijaya, Naga; Suryoatmono, Bambang; Tjahjanto, Helmy Hermawan
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 30, Nomor 2, DESEMBER 2024
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v30i2.61725

Abstract

Modelling single shear wood connection using solid elements is more accurate, especially in simulating the contact between the surface of the lag screw and the surface of the pre-drilled hole, but it is more complicated in terms of geometry and number of nodes. An alternative method is approached by modelling the lag screw as a beam element, with the limitations of modelling the contact interaction between the lag screw and timber members. In this study, diameter variations were also modelled to investigate joint behavior. To validate the model accuracy, a modelling was also performed in which the connectors and timber members were all modelled as solid elements and performed theoretical calculations. Numerical analysis was carried out by modelling the connection specimens using the finite element method in the ABAQUS software. The results showed that the connection capacity between solid element and beam element modelling are quite similar. The accuracy of modelling the lag screw as a beam element is lower at larger diameters and requires a method to correct the results.
Co-Authors Adhijoso Tjondro Adhijoso Tjondro Adrian Pramudita Dharma Arif Sandjaya Dennie Supriatna Djoni Simanta Erwin Sanjaya Fenita Adina Santoso Helmy Hermawan Tjahjanto Hung, Benny Gunawan Iswandi Imran Johannes Adhijoso Tjondro Nessa Valiantine Diredja Simanta, Djoni Tumena, Fedora Marleen Wijaya, Naga Yosafat A. Pranata Yosafat A. Pranata Yosafat Aji Pranata Yosafat Aji Pranata Yosafat Aji Pranata Yosafat Aji Pranata