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All Journal Media Teknik Sipil Teknologi dan Kejuruan: Jurnal teknologi, Kejuruan dan Pengajarannya Rekayasa Sipil
Sri Murni Dewi
Universitas Brawijaya
Civil Engineering, Building, Construction & Architecture Education Social Sciences

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Journal : Rekayasa Sipil

 1 
Studi Eksperimental: Perilaku Siklik Anticompression Split-K Braced Steel Frame Oksa Eberly; Sri Murni Dewi; Wisnumurti Wisnumurti
Rekayasa Sipil Vol 14, No 2 (2020)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2020.014.02.9

Abstract

This paper presents an experimental study on the behaviour of a braced steel frame with a proposed system: anticompression brace system (ABS) subjected to cyclic lateral loads. The ABS is proposed to deal with common brace buckling problems. In the study, split-K braced steel frames: with ABS and with ordinary brace system (OBS) were used as speciments. Cyclic loading tests were conducted to evaluate the performance of the proposed system in preventing the brace to buckle and to obtain the behaviour of the frame with ABS compared to the frame with OBS under cyclic quasistatic loading. From the cyclic tests, it was observed that the proposed system worked in preventing the braces to buckle, hence, the aimed state, “buckling prevention” was achieved. The results of the study also show that the frame with ABS had a lower initial stiffness compared to the frame with OBS, nevertheless, after exceeding drift ratio of 0.85% based on raw data or 0.64% based on fitted-curves, the frame with ABS exhibited good behaviour through lower degradations in stiffness and cyclic strength relative to the frame with OBS that experienced sudden and greater degradations. 
EXPERIMENTAL STUDY OF FLEXURAL STRENGTH (OUT OF PLANE) ON WALL PANEL BY USING AUTOCLAVED AERATED CONCRETE AND BAMBOO REINFORCEMENT Miftakhul Jannah; Sri Murni Dewi; Hendro Suseno
Rekayasa Sipil Vol. 15 No. 2 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.02.2

Abstract

The use of wall panels in the construction sector is tremendously familiar, because the implementation process is faster and more efficient. However, concrete wall panels are considered quite heavy, so that in this research will be discussed to learn more about wall panels by utilizing AAC lightweight bricks and bamboo reinforcement to reduce the panel's own weight without reducing its structural strength. In this present study, the specimen was made with a scale model to be tested for flexural capacity when receiving out of plane loads. Based on the research results, there were differences in the characteristics between AAC panels and ordinary reinforced concrete panels so that the flexural strength test with out of plane loading, AAC panels have increased flexural capacity more than ordinary reinforced concrete panels.
PENGEMBANGAN PENGEMBANGAN MODEL PERBAIKAN DAN PENINGKATAN KEKUATAN STRUKTUR SAMBUNGAN BALOK-KOLOM PADA BANGUNAN PASCA GEMPA sri murni Dewi; Wisnumurti; Ari Wibowo; Adi Susetyo Dermawan
Rekayasa Sipil Vol. 17 No. 1 (2023): Rekayasa Sipil Vol. 17 No. 1
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.01.15

Abstract

This paper presents an experimental study on repairing damaged beam-column reinforced concrete joints using carbon fiber reinforced polymer (CFRP). The test objects were in the shape of the letter T which represented the beam-column connection. The test object came from the previous research which had been failure. The retrofitted action includes strengthening the column position, injection with concrete glue and adding CFRP. Two kinds of CFRP were use, CFRP sheets (EB) and CFRP strips (NSM). The integrity of concrete after injection were tested with Ultrasonic Pulse Velocity (UPV). The retrofitted specimens were tested in loading frame to occurred strength, stiffness and ductility for each kind of retrofitted action. Three kind of tested were held, bending in one direction, shearing in one direction, and quasi cyclic bending. The selection test adjusted to the damage history of specimen.  
Co-Authors Achfas Zacoeb Adi Susetyo Dermawan Agostinho Francisco Pinto Ahmad Fitri Sujatmiko Ari Wibowo Devi Nurlinah Fatkurotif Fatkurotif Miftakhul Jannah Oksa Eberly Sri Murni Dewi, Hendro Suseno, Tatang Fendy Harianto, Wisnumurti Wisnumurti Wisnumurti