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All Journal IPTEK Journal of Proceedings Series Journal of Engineering and Technological Sciences Jurnal Teknik Sipil Journal of Advanced Civil and Environmental Engineering INTEK: Jurnal Penelitian
Muslinang Moestopo
Kelompok Keahlian Rekayasa Struktur, Fakultas Teknik Sipil dan Lingkungan/ Pusat Rekayasa Industri-Laboratorium Mekanika Struktur Institut Teknologi Bandung Jl. Ganesa No. 10 Bandung, 40132.
Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Environmental Science

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Journal : Journal of Engineering and Technological Sciences

 1 
Behavior of Shear Link of WFSection with Diagonal Web Stiffener of Eccentrically Braced Frame (EBF) of Steel Structure Yurisman, Yurisman; Budiono, Bambang; Moestopo, Muslinang; Suarjana, Made
Journal of Engineering and Technological Sciences Vol 42, No 2 (2010)
Publisher : ITB Journal Publisher, LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (742.101 KB) | DOI: 10.5614/itbj.eng.sci.2010.42.2.1

Abstract

This paper presents results of numerical and experimental study of shear link behavior, utilizing diagonal stiffener on web of steel profile to increase shear link performance in an eccentric braced frame (EBF) of a steel structure system. The specimen is to examine the behavior of shear link by using diagonal stiffener on web part under static monotonic and cyclic load. The cyclic loading pattern conducted in the experiment is adjusted according to AISC loading standards 2005. Analysis was carried out using non-linear finite element method using MSC/NASTRAN software. Link was modeled as CQUAD shell element. Along the boundary of the loading area the nodal are constraint to produce only one direction loading. The length of the link in this analysis is 400mm of the steel profile of WF 200.100. Important parameters considered to effect significantly to the performance of shear link have been analyzed, namely flange and web thicknesses, thickness and length of web stiffener, thickness of diagonal stiffener and geometric of diagonal stiffener. The behavior of shear link with diagonal web stiffener was compared with the behavior of standard link designed based on AISC 2005 criteria. Analysis results show that diagonal web stiffener is capable to increase shear link performance in terms of stiffness, strength and energy dissipation in supporting lateral load. However, differences in displacement ductility’s between shear links with diagonal stiffener and shear links based on AISC standards have not shown to be significant. Analysis results also show thickness of diagonal stiffener and geometric model of stiffener to have a significant influence on the performance of shear links. To perform validation of the numerical study, the research is followed by experimental work conducted in Structural Mechanic Laboratory Center for Industrial Engineering ITB. The Structures and Mechanics Lab rotary PAU-ITB. The experiments were carried out using three test specimens with model and dimension identical to the model in the numerical study. Experimental testing apparently has shown results of the same behavior as predicted in the numerical study. However, when it is compared to the shape of the hysterical curve, a slight difference is apparent. This is due to the influence of stiffness of bolt joints and the supports which is difficult to model precisely in the numerical studies. 
Behavior of Shear Link of WFSection with Diagonal Web Stiffener of Eccentrically Braced Frame (EBF) of Steel Structure Yurisman Yurisman; Bambang Budiono; Muslinang Moestopo; Made Suarjana
Journal of Engineering and Technological Sciences Vol. 42 No. 2 (2010)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/itbj.eng.sci.2010.42.2.1

Abstract

This paper presents results of numerical and experimental study of shear link behavior, utilizing diagonal stiffener on web of steel profile to increase shear link performance in an eccentric braced frame (EBF) of a steel structure system. The specimen is to examine the behavior of shear link by using diagonal stiffener on web part under static monotonic and cyclic load. The cyclic loading pattern conducted in the experiment is adjusted according to AISC loading standards 2005. Analysis was carried out using non-linear finite element method using MSC/NASTRAN software. Link was modeled as CQUAD shell element. Along the boundary of the loading area the nodal are constraint to produce only one direction loading. The length of the link in this analysis is 400mm of the steel profile of WF 200.100. Important parameters considered to effect significantly to the performance of shear link have been analyzed, namely flange and web thicknesses, thickness and length of web stiffener, thickness of diagonal stiffener and geometric of diagonal stiffener. The behavior of shear link with diagonal web stiffener was compared with the behavior of standard link designed based on AISC 2005 criteria. Analysis results show that diagonal web stiffener is capable to increase shear link performance in terms of stiffness, strength and energy dissipation in supporting lateral load. However, differences in displacement ductility's between shear links with diagonal stiffener and shear links based on AISC standards have not shown to be significant. Analysis results also show thickness of diagonal stiffener and geometric model of stiffener to have a significant influence on the performance of shear links. To perform validation of the numerical study, the research is followed by experimental work conducted in Structural Mechanic Laboratory Center for Industrial Engineering ITB. The Structures and Mechanics Lab rotary PAU-ITB. The experiments were carried out using three test specimens with model and dimension identical to the model in the numerical study. Experimental testing apparently has shown results of the same behavior as predicted in the numerical study. However, when it is compared to the shape of the hysterical curve, a slight difference is apparent. This is due to the influence of stiffness of bolt joints and the supports which is difficult to model precisely in the numerical studies. 
The Evolution of Seismic Design Provisions in Indonesia's National Bridge Code Veby Citra Simanjuntak; Iswandi Imran; Muslinang Moestopo; Herlien D Setio
Journal of Engineering and Technological Sciences Vol. 54 No. 6 (2022)
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2022.54.6.14

Abstract

To accommodate increased seismic hazards in Indonesia, provisions regarding structural details on seismic regulations have been tightened. In this paper, the variations in seismic hazard and detailing requirements from bridge code era before 1990 to the present was provided. To examine the bridge performance, pushover analysis was carried out based on the latest bridge code SNI 2833:2016/Seismic Map 2017. From the analysis results, the performance of older bridges would typically be less than more recently designed structures.  The performance level of the bridge in the era before SNI 2833:2016/Seismic Map 2017 will be Operational-Life Safety (LS) whereas the performance level of the bridge designed with SNI 2833:2016 will be Elastic – Operational. Referring to NCHRP 949 for bridge performance level evaluation, results show that the performance level of the bridge still satisfies the requirement, which is Life Safety under upper-level earthquake. Therefore, the existing bridge shows adequate capacity under the current seismic load Seismic Map 2017 (7% probability of exceedance in 75 years (RP= 1000 years)). Evaluation of seismic vulnerability needs to be done to ensure the safety of the existing bridges in Indonesia, most of which are located in earthquake-prone areas, especially those that were designed with older version regulations.
Co-Authors Arief Panjaitan Bambang Budiono Bambang Budiono Bambang Budiono Bambang Budiono Bambang Budiono Budiono, Bambang Dionysius M. Siringoringo Dyah Kusumastuti Dyah Kusumastuti Erwin Lim Herlien D Setio Iswandi Imran James Michael Jurnal Teknik Sipil Kurdi Kurdi Kurdi, Kurdi Kusumastuti, Dyah Lim, Erwin M. Refai Muslih Made Suarjana Mega Suci Ramadhita Muslih, M. Refai Prima Sukma Yuana Pusaka, Semerdanta Randy Tanderan Rhonita Dea Andarini Rhonita Dea Andarini, Rhonita Dea Shinsuke Yamazaki Undagi Kausar Akbar Veby Citra Simanjuntak Yuana, Prima Sukma Yurisman Yurisman Yurisman Yurisman Yurisman Yurisman