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All Journal Jurnal Rekayasa Sipil dan Desain
Chatarina Niken D.W.S.B.U
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Civil Engineering, Building, Construction & Architecture

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Pengaruh Penggunaan Semen PCC pada Kuat Lentur Perkerasan Kaku dengan Penambahan Serat Kulit Kayu Gelam Pada Campuran Beton Yudha Gempa Aditya; Chatarina Niken D.W.S.B.U; Sasana Putra
Jurnal Rekayasa Sipil dan Desain Vol 9, No 1 (2021): Edisi Maret 2021
Publisher : Jurnal Rekayasa Sipil dan Desain

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The flexural strength of rigid pavement is the dominant parameter that influences the concrete pavement performance. In general, concrete is weak against its flexural tensile strength. One alternative that can be used to increase its flexural tensile strength is by adding artificial fibers and/or natural fibers to the concrete mixture. The purpose of this research is to find the effect of adding gelam bark fibers towards compressive strength, split tensile strength, and flexural strength of concrete using PCC cement. In this study, the concrete mixture was added with various percentages of fiber content i.e. 0,2%; 0,3%; 0,4%; 0,6%. The concrete was tested and compared its value of compressive strength, split tensile strength and flexural strength. The results of this study showed that the most influential use of fiber for concrete pavement was 0,4%. The addition of gelam bark fiber by 0,4% could increase the tensile strength of the concrete mixture aged 28 days and 56 days respectively by 6,95% and 23.72% toward the concrete without fibers. The testing of concrete at 28 days age results the split tensile strength value decreased by 4,2% and the compressive strength test decreased by 4,7%.Keywords: Gelam bark fiber, PCC cement, OPC cement, flexural tensile strength, split tensile strength and compressive strength
Evaluasi Kinerja Struktur Bangunan Tinggi dengan Analisis Pushover Menggunakan Aplikasi Pemodelan Struktur (Studi Kasus: The Venetian Tower) Kabul Budi Asmara; Mohd. Isneini; Chatarina Niken D.W.S.B.U
Jurnal Rekayasa Sipil dan Desain Vol 9, No 1 (2021): Edisi Maret 2021
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

The Venetian Tower is one of the apartments with a height of 116.7 m that belongs to the categoryof risk II. To maintain the safety of its residents, the building must provide optimal performance.Pushover analysis is one of the methods used to analyze earthquake loads to determine thebehavior of building collapses. The aims of research to determine the level of structuralperformance, collapse patterns, and capacity of beams and columns.Based on the results of pushover analysis, obtained the value of the roof displacement 629.178 mmin the x direction and 759.87 mm in the y direction. The structure of Venetian Tower is at theperformance level of Immediate Occupancy, if the earthquake occurred on the scale of MMI VIIIor 6 S.R. The ductility level of the building structure is partial ductile, where the value of ductileratio is 1.0778 in the x direction and 1.2131 in the y direction. The collapse mechanism of thestructure indicates the mechanism of strong column weak beam, where the plastic hinges occurs inthe beam first.The beams reviewed using SNI 2847:2019 are safe against shear forces but not safe againstbending moments and torque. The cross-section of the columns reviewed meets the requirementsof style, geometry, and reinforcement ratio in accordance with SNI 2847:2019.
Co-Authors Kabul Budi Asmara Mohd. Isneini Sasana Putra Yudha Gempa Aditya