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All Journal IPTEK The Journal for Technology and Science Journal of Civil Engineering Pharmacoscript
Endah Wahyuni
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Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Transportation

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Journal : Journal of Civil Engineering

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EFFECT OF REDUCED BEAM SECTION IN STAGGERED TRUSS FRAME STRUCTURE VIERENDEEL ELEMENT WITH EARTHQUAKE LOAD ANALYSIS M. Farid Nurul Iman; Endah Wahyuni; Data Iranata
Journal of Civil Engineering Vol 32, No 2 (2017)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (678.524 KB) | DOI: 10.12962/j20861206.v32i2.4560

Abstract

The purpose of this study is to describe the effect of Reduced Beam Section in vierendeel panel element in STF system’s inelastic behavior based on earthquake load analysis. STF system is applied to 4, 6, and 10 storey building that served as office building. The structure’s system used Special Moment Resisting Frame (SMRF) system in longitudinal direction (W-E) and STF system in transversal direction (N-S). The analysis method that used in this study is nonlinear pushover analysis. Application of RBS in vierendeel panel element showed that by the increasing of storey number, the ductility of the structure was increased in both directions, while N-S direction has bigger ductility than W-E direction. Dissipation energy of the structure was also increased, especially in N-S direction. The first yielding process occurred in vierendeel panel element, and then followed by truss and diagonal chord around vierendeel panel element, while the critical condition showed still at life safety level.
CONNECTION MODEL OF CONCRETE FILLED STEEL TUBE (CFT) COLUMN TO STEEL BEAM UNDER CYCLIC Agustina D. Atmaji; Budi Suswanto; Endah Wahyuni
Journal of Civil Engineering Vol. 34 No. 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i1.7463

Abstract

Various types of structural technology began to develop rapidly, one of which was composite steel. Composite steel (Concrete Filled Steel Tube) is a structure consisting of two or more materials with different material properties and form one unit so as to produce better combined properties. Compared to conventional steel, this column has many advantages such as convenient formwork for concrete cores provided by steel tubes, increased strength and good ductility. This study uses the CFT column as the main variable by considering variations in the CFT column on the connection using ABAQUS. Modeling was carried out with a test object of 203 × 133 × 7.8 × 5.8 mm and the CFT column dimensions of rectangular 220 × 220 × 6 mm, and circular Ø 220 mm t = 8 mm. The research method uses two steps static-general method with static-risk. The results of these two research methods have the results of approaching and having the same behavior. Modeling has fulfilled the requirements of modeling the column-beam joints that can be used in a system of earthquake-resistant reinforced steel composite concrete frame structures. Based on the modeling results that have been done, modeling has fulfilled the connection that has sufficient ductility capability.
EFFECT OF REDUCED BEAM SECTION IN STAGGERED TRUSS FRAME STRUCTURE VIERENDEEL ELEMENT WITH EARTHQUAKE LOAD ANALYSIS M. Farid Nurul Iman; Endah Wahyuni; Data Iranata
Journal of Civil Engineering Vol. 32 No. 2 (2017)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v32i2.7507

Abstract

The purpose of this study is to describe the effect of Reduced Beam Section in vierendeel panel element in STFsystem’s inelastic behavior based on earthquake load analysis. STF system is applied to 4, 6, and 10 storey building thatserved as office building. The structure’s system used Special Moment Resisting Frame (SMRF) system in longitudinaldirection (W-E) and STF system in transversal direction (N-S). The analysis method that used in this study is nonlinearpushover analysis. Application of RBS in vierendeel panel element showed that by the increasing of storey number, theductility of the structure was increased in both directions, while N-S direction has bigger ductility than W-E direction.Dissipation energy of the structure was also increased, especially in N-S direction. The first yielding process occurred invierendeel panel element, and then followed by truss and diagonal chord around vierendeel panel element, while the criticalcondition showed still at life safety level
RELATIONSHIP BETWEEN STATIC AND DYNAMIC DISPLACEMENTS OF STRUCTURES Endah Wahyuni
Journal of Civil Engineering Vol. 30 No. 2 (2010)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v30i2.7532

Abstract

The relationship between the static and dynamic displacements of a structure is studied and explores the application of the relationship. The key parameters are: the static stiffness of the structure, which is a measure of its resistance to an applied load; and the dynamic stiffness, which relates to a specific mode of vibration. To illustrate the salient features, two simple examples will be considered, first a beam and second a plate. These may be considered to be simple representations of a bridge and a floor respectively. The conclusions of the research are the number of modes considered increases the difference between total modal displacement and the static displacement decreases. The first mode dominated the sumof the modal displacement. It is therefore apparent that measurements of both static and dynamic stiffness can both provide useful information on the elastic behavior of a structure.
Co-Authors Agustina D. Atmaji Budi Suswanto Data Iranata M. Farid Nurul Iman Oskar Skarayadi, Oskar Purwoko, Agus Ramdani, Robby Tianjian Ji Tianjian Ji Wiwiek Indrawati