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All Journal DINAMIKA Jurnal Ilmiah Teknik Mesin Metropilar Media Konstruksi : Jurnal Ilmiah Teknik Sipil Panrita Abdi - Jurnal Pengabdian pada Masyarakat Resona : Jurnal Ilmiah Pengabdian Masyarakat Stabilita : Jurnal Ilmiah Teknik Sipil Fakultas Teknik Universitas Halu Oleo Kendari Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Jurnal Teknologi Informasi dan Komunikasi Jurnal Pengabdian Kepada Masyarakat Patikala Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) Shell Civil Engineering Journal Sultra Civil Engineering Journal (SCiEJ) Journal of Islamic Digital Economics and Management Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal Manajemen Rekayasa (Journal of Engineering Management)
Simatupang, Minson
Universitas Halu Oleo
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PERBANDINGAN NILAI ANALITIK DENGAN NILAI NUMERIC PADA ANALISA BALOK DI ATAS PONDASI ELASTIS Minson Simatupang; Romy Tamburaka
Metropilar - Jurnal Ilmiah Fakultas Teknik Vol 6, No 2 (2008): Metropilar
Publisher : Universitas Halu Oleo

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Abstract

Beam on elastic foundation analysis with sub grade reaction approach can be done either analytically or numerically. However, great possibility of both of this approach will give differ result. But the problem is whether this difference in properly limit or not. Analytically analysis had been done by Hetenyi, and numerically approach in this paper used Finite Difference Method (FDM). Beams that under analysis are finite beam with free end with loading conditions are concentrated load at an arbitrary point and two equal concentrated load symmetrically placed. For symmetrical load, both of this approaches give results that almost same, either displacements or bending moments. For concentrated load at an arbitrary point, both of this approach give difference results up to 16% in certain points of beam, especially bending moments. Key words: balok, pondasi elastis, beban terpusat
ANALISA BALOK PANJANG (INFINITE BEAM) DI ATAS PONDASI ELASTIS DENGAN PENDEKATAN BEDA HINGGA Minson Simatupang
Metropilar - Jurnal Ilmiah Fakultas Teknik Vol 8, No 2 (2010): Metropilar
Publisher : Universitas Halu Oleo

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Concept of Winkler’s foundation or modulus of sub grade reaction approach is usually used to solve the problem of beam resting on an elastic foundation. The analytical method solution for the Winkler foundation is not generally used, because the solution difficulty adapt for the changes of beam’s dimension or modulus of sub grade reaction of soil for example. For that limitation, numeric approach, among them Finite Difference Method (FDM) become appropriate choice. In this paper, FDM is examined used for the analysis of rail way resting on ballast as an infinite beam on Winkler medium. The rail way’s load comes from locomotive with passenger coach combination. Estimation of deflections and internal forces of rail, subjected to rail way’s load is done by Visual Basic Program assistance for the matrix operation. The results show that finite difference approach has high level accuracy to analytical method.
Co-Authors Abd. Kadir Abdul Kadir Abdullah, Muhammad Julmawansa Admin Hardiana Adris A. Putra Adris Ade Putra Agustinus Lolok Ahmad, Siti Nurjanah Alson, Muh Wonua Bhakti Amsyal Anafi Minmahddun Andi Firon Andi, Abdul Jalil Anrias, Anrias Arsyad, Febriansyah Asminar Asminar Budiman Sudia, Budiman DWI SURYANTO Edward Ngii Edwin, Romy Suryaningrat Fitriah Masud Handa, Muhamad Idham Hans Lura Hasddin, Hasddin Hasir Hasir, Hasir Hasmina Tari Mokui Hendra Kundrad SR Ilmar, Harry Izzat Arif Jasman Jasman La Ode Dzakir La Ode Muhaimin La Ode Muhamad Magribi, La Ode Muhamad La Ode Muhamad Nurrakhmad Arsyad Lasarus, Risa Lukas Kano Mangalla, Lukas Kano Mangalla, Lukas K. Mansyur Marsindi, Dewi Masdiana Masdiana Masykur Kimsan Muh. Alfian Putra Munandar Nasrul Nasrul Nur Adriyani Filzah Nurdin, Sri Asnita Osok, Fidel Kalehangen Paula Tamburaka, Irmawati Pratiwi, Nanda Ayu R, Andi Khaeruni Khaeruni Raden Rinova Sisworo Rangan, Parea Rusan Renaldy Pundissing Romy Suryaningrat Edwin Romy Tamburaka Sadimantara, I Gusti R Sadimantara, Muhammad S Safitri Maladeni, Eva Sambari, Villa Evadelvia Ginal Samhuddin Samhuddin Samhuddin Samhuddin, Samhuddin Septi Adnan Sudarsono Sudarsono Sulha Sulha Sulha Sulha Suramas, Fransiscus R Surya Baskara Tamburaka, Irmawatti Paula Weko Indira Romanti Aulia