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All Journal Jurnal Rekayasa Sipil dan Desain Teras Jurnal Jurnal Profesi Insinyur Universitas Lampung Jurnal Teknik Sipil Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Nemui Nyimah
Fikri Alami
Universitas Lampung
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Transportation Other

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Evaluasi dan Perkuatan Struktur Pelat, dan Dinding Geser dengan Glass Fiber Reinforced Polymer (GFRP) Turnip, Stephanus Martua; Alami, Fikri; Widyawati, Ratna
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 7 No. 1 (2019): Edisi Maret 2019
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v7i1.1118

Abstract

The Education hospital building of University of Lampung has been stalled and the construction is abandoned for years. So that, there is concern about the existing strength installed in the field. Therefore, it is necessary to evaluate and to strengthen the structure for increasing the strength and assuring appropriateness of the building. Two methods used in evaluating this building which weredirect survey method in the field and numerical method used the Finite Element Analysis (FEA) program. For strengthening calculations the American Concrete Institute code was applied (ACI 440.2R, 2008). The material for strengthening used Glass Fiber Reinforced Polymer (GFRP). The results showed that the existing concrete compressive strength on all structural elements decreased from the design which was 25 MPa. However, theexisting steel reinforcement tests showed good strength which greater than design strength of 400 Mpa.In strengthening calculation with GFRP type of SEH-51A which has tensility strength of 460 MPa, the material can increase flexural strength of several slabs that requiredfor strengthening. In addition, in the shear wall analysis, it concluded that the existing shear wall were strong enough to withstand the nominal shear forcesdesign that might be occured. Keywords : Structures Evaluation, Strengthening Structures, Glass Fiber Reinforced Polymers, Concrete Slab and Shear Walls.
Studi perkuatan lentur balok beton bertulang menggunakan GFRP (Glass fiber reinforced polymer) dan WM (wiremesh) Nalarita, Klara -; Isneini, Mohammad; Alami, Fikri
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 7 No. 2 (2019): Edisi Juni 2019
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v7i2.1164

Abstract

This study discusses flexural strengthening of reinforced concrete beams using GFRP (glass fiber reinforced polymer) and wiremesh. The beams are used have dimensions of length 1.7 m, width and height of 15 cm. Beams were tested with two-point system load using a loadingframe. Two types of retrofitting done in this study is the first type of reinforcement used 4 ply GFRP and retrofitting of the second type by using three layers of GFRP and 1 layer wiremesh. The 6 bars are tested, namely two beams without reinforcement, two beams by using reinforcement beam type 1 and 2 by using the retrofitting of type 2.Based on these results, reinforced beams can be increased up to 146% of the beam without reinforcement. Without reinforcement beam flexural failure with crack spreads at constant torque region and enlarged cracks only at one place in the area. While beams with reinforcement debonding all experienced failure at one end reinforcement. Based on the indexvalue of the beam ductility without retrofitting more ductile than the beam using the retrofitting.Keyword: Concrete, GFRP, Wiremesh, debonding, ductility
Review Design Pekerjaan Struktur Proyek Instalasi Rawat Jalan RSUD. Dr. H. Abdul Moeloek Damanta, Abdi Kemal; Kustiani, Ika; Alami, Fikri
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 7 No. 2 (2019): Edisi Juni 2019
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v7i2.1192

Abstract

Review design proyek adalah kegiatan merekayasa perencanaan bangunan sehingga didapatkan perbandingan biaya material masing-masing. Tahapan dalam Review Design meliputi tahap pengumpulan data, penentuan metodologi, tahap analisis & pemodelan, desain & rekomendasi. Tujuan dari penelitian ini adalah untuk meninjau biaya bagian struktural dari bangunan rawat jalan seperti yang direncanakan dan membandingkannya dengan pilihan lain dari bahan konstruksi. Dalam studi ini, peninjauan hanya fokus pada pekerjaan struktural karena merupakan biaya terbesar dari keseluruhan biaya proyek. Material rencana untuk gedung adalah beton bertulang. Material alternative yang digunakan adalah baja untuk kolom dan balok serta komposit untuk pelat lantai. Dari penelitian ditemukan bahwa material yang ada yaitu beton bertulang memiliki biaya lebih rendah Rp12.029.919.096,05 dibandingkan bahan baja dan komposit yang menghasilkan biaya Rp20.732.428.550,38.
Co-Authors ., Bayzoni Agustina, Nadia Agustina, Nadya Akbar, Candra Fauzan Amelia, Ananda Andhini, Vania Meutia Anggi, Yulisna Bayzoni Bayzoni, Bayzoni brina, ardi elsa Clever, Arnaldo Damanta, Abdi Kemal Diana Lisa Eddy Purwanto Fadillah, Ihsanuddin Firdasa, Silsila Jana Firdaus, Afridho Handayani, Friska Hasti Riakara Husni Helmi, Madar Ika Kustiani Isnaeni, Mohd Isneini, Mohammad Isneini, Mohd Issneini, Mohd Istiyanti, Lita Iswan Iswan karami, muhammad Kristianto Usman Laksmi Irianti Marcus, Angela Chikita Martinus Masdar Helmi Mohd. Isneini Nalarita, Klara - Nosya, Akhmad Dendi Novrian, Ridho Rizky Nurrohmat, Farhan Prihandoyo, Rizky Putri, Farida Rahma Hadi Ratna Widyawati Resmonida, Dhea Yulia Riana, Netta Rifai, Muhamad Ristanti, Dina Endang Saputra, Muhammad Ridho Sari, Rendityas Mayang Siti Nurul Khotimah Sukmaningrum, Febriana Melati Surahman, Ridho Surya Sebayang Syah, Aminudin Turnip, Stephanus Martua Vera Agustriana Noorhidana Vernanda, Dedi Wulandari, Qanita Zikrillah, Daffa