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All Journal Rang Teknik Journal JURNAL ILMIAH TEKNIK SIPIL
Muhroni, Alim
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Transportation

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Pengaruh Penambahan Carbon fiber Reinforced Polymer Terhadap Frekuensi Alami Balok Beton Bertulang Wijaya, Tenardhy Aryarama; Muhroni, Alim
JURNAL ILMIAH TEKNIK SIPIL Vol 14 No 1 (2025): FEBRUARI
Publisher : Prodi Teknik Sipil Fakultas Teknik Universitas Darma Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46930/tekniksipil.v14i1.5542

Abstract

Pada penelitian ini dilakukan uji terhadap tiga balok dengan perlakuan yang berbeda untuk mengamati pengaruh penambahan CFRP (Carbon Fiber Reinforced Polymer) Strip terhadap frekuensi alami dan daya lentur balok. Balok-1 berfungsi sebagai benda uji kontrol tanpa perkuatan, yang memiliki frekuensi alami sebesar 7,813 Hz dan dapat menahan gaya lentur sebesar 73,5 kN. Balok-2 diperkuat dengan satu lapis CFRP Strip, menghasilkan frekuensi alami sebesar 8,105 Hz dan dapat menahan gaya lentur sebesar 106,5 kN. Peningkatan frekuensi alami ini sebesar 0,292 Hz atau 3,74% dibandingkan Balok-1. Balok-3 diperkuat dengan tiga lapis CFRP Strip, menghasilkan frekuensi alami sebesar 9,179 Hz dan dapat menahan gaya lentur sebesar 115,3 kN. Peningkatan frekuensi alami pada Balok-3 adalah sebesar 1,074 Hz atau 13,251% dibandingkan Balok-2, dan 1,366 Hz atau 17,492% dibandingkan Balok-1. Hasil penelitian ini menunjukkan bahwa penambahan CFRP Strip dapat meningkatkan frekuensi alami dan daya lentur balok.
ANALISA STRUKTUR GEDUNG SEKOLAH DI GROBOGAN Muhroni, Alim; Wijaya, Tenardhy Aryarama
JURNAL ILMIAH TEKNIK SIPIL Vol 14 No 1 (2025): FEBRUARI
Publisher : Prodi Teknik Sipil Fakultas Teknik Universitas Darma Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46930/tekniksipil.v14i1.5528

Abstract

Due to the need for educational facilities, schools in Kabupaten Grobogan must expand their student capacity. The construction of a new building is one of the alternatives to meet these needs. To meet the needs of a 3-storey building, the new building must also be designed to withstand earthquake loads with the help of SAP 2000 v20 software. The results of this study found that the amount of Participating Mass Raatio in the school building is greater than 99%, the value of the Spectrum Response comparison with the Equivalent Static on the X axis is 104.52% and on the Y axis is 102.52%. Based on the calculation of the deviation between floors, if an earthquake occurs with the data that has been entered, the building does not collapse and the ratio of columns and beams meets the permitted ratio.
ANALISA STRUKTUR BANGUNAN GEDUNG SEKOLAH AKIBAT PENAMBAHAN RUANG KELAS BARU (STUDI KASUS: SMK YATPI GODONG) Muhroni, Alim; Wibowo, Agung Hari
Rang Teknik Journal Vol 8, No 2 (2025): Vol. 8 No. 2 Juni 2025
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v8i2.6039

Abstract

The study was conducted at the SMK YATPI Godong building which has a land area of 1172 m2. 2017 to 2019 there was an increase in the number of students by 60.2%, so it is necessary to add new classrooms. Where the land area cannot be used to build classrooms horizontally, the school adds classrooms vertically by adding 1 floor to 2 floors. The study was carried out by testing the quality of concrete using the Hammer Test obtained 26.45 MPa, then modeling analysis using SAP 2000 software and manual calculations based on SNI 1729-2019. This analysis is made in 2 stages, first the initial conditions in the existing building, second the analysis of the existing structure with the additional load of the new classroom. Keywords: Structure, School Building, Hammer Test, SAP 2000
Co-Authors Agung Hari Wibowo Tenardhy Aryarama Wijaya