Evaluation of Seismic Behavior of RC Moment Resisting Frame with Masonry Infill Walls

Prefabricated steel industrial buildings are designed with design standards against to earthquake loads. Several lateral systems are used to increase the strength of steel industrial buildings against earthquake loads. Most commonly used systems are braced frame systems. In the braced frame systems, the most important problem is the buckling of these members under compression loads. Currently, the cost for buckling restrained braced frame systems are too high. For steel industrial buildings, the buildings` cost are calculated by considering unit weight of steel. The main cost of the building is based on manufacturing of steel and erection of the building. On the other hand, masonry infilled wall systems are preferred to protect the inside. Masonry infill walls are the structural members resisting to compression loads. Masonry infill walls are commonly rigid systems on contrary to braced frame systems since the masonry infill walls are constructed during the both axes. The aim of this study is to evaluate the seismic behavior of prefabricated steel industrial buildings. These industrial buildings were considered in various combinations as bare, with tension strand systems as braced frame members and masonry infill walls which are used to resist lateral forces. Behavior of tension strand systems used as lateral resistance in prefabricated steel buildings comparing to bare and infill walled ones have been investigated. In the models with tension strand systems, various diameters and pretension loads were used for investigation of various cases of structural system.

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MONITORING KERENTANAN BANGUNAN GEDUNG DENGAN METODE RAPID VISUAL SCREENING

Sainstek (e-Journal) ◽

10.35583/js.v7i1.11 ◽

2019 ◽

Vol 7 (1) ◽

pp. 15-31

Author(s):

Sri Agustin ◽

Reni Suryanita ◽

Zulfikar Djauhari

Keyword(s):

Unreinforced Masonry ◽

Concrete Frames ◽

Infill Walls ◽

Masonry Infill ◽

Masonry Infill Walls ◽

Rapid Visual Screening ◽

Moderate Seismicity ◽

Moment Resisting ◽

Final Score ◽

Visual Screening

Rapid Visual Screening (RVS) adalah sebuah metode peninjauan kondisi bangunan terhadap gempasecara visual, menggunakan form analisis khusus yang merangkum seluruh hasil tinjauan visual danmenghasilkan nilai akhir minimal 2 (dua) untuk kondisi aman terhadap gempa, jika kurang dari 2 (dua) makagedung perlu dilakukan evaluasi lebih lanjut. Tujuan penelitian ini untuk menganalisis tingkat resiko bangunangedung terhadap gempa dan mampu menentukan nilai akhir (final score) sebagai keluaran dari metode RapidVisual Screening (RVS). Hasil Respons Spektral MCE perioda pendek, redaman 5% (Ss) dan Respons SpektralMCE perioda 1 detik, redaman 5% (S1) pada penelitian ini berada di Moderate Seismicity, analisis, kondisibangunan gedung pada penelitian tergolong ke dalam kondisi tidak rawan gempa, hal ini dibuktikan dari seluruhnilai akhir (final score)berada di atas angka minimal yaitu 2 (dua), hanya pada Gedung Plaza Rengat yangmemiliki kombinasi dari 2 (dua) jenis tipe gedung C1(Concrete moment resisting frames) bernilai 2,3 dan C3(Concrete frames with unreinforced masonry infill walls), dengan nilai pada C3 adalah 1,3 dari angka minimal,karena pada bagian tengah dalam gedung terdapat kondisi struktur yang tidak diperkuat dengan tambahanbalok dari lantai 2 hingga lantai 4. Gedung Kantor Bupati, Dinas Pendidikan, Dinas Perpustakaan, SejutaSungkai, dan SD Negeri 006 menghasilkan final score di atas angka 2 (dua). Dengan begitu bangunan gedungpada penelitian ini berada pada kondisi aman akan terjadinya gempa.

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Development of a Seismic Design Approach for Infill Walls Equipped with Structural Fuse

The Open Civil Engineering Journal ◽

10.2174/1874149501206010249 ◽

2012 ◽

Vol 6 (1) ◽

pp. 249-263 ◽

Cited By ~ 4

Author(s):

Mohammad Aliaari ◽

Ali M. Memari

Keyword(s):

Seismic Design ◽

Design Procedure ◽

Design Approach ◽

Infill Wall ◽

Infill Walls ◽

Isolation System ◽

Masonry Infill ◽

Masonry Infill Walls ◽

Structural Fuse ◽

Moment Resisting

Presented herein is a seismic design approach developed for a proposed infill wall “structural fuse” system for use in building frames. The purpose of this system is to prevent damage to frame or infill walls due to infill wall-frame in-teraction during potentially damaging earthquakes by isolating them through a “sacrificial” component or a structural fuse. The design approach includes a procedure for design and application of the fuse system in a multi-bay, multi-story build-ing with moment resisting frames. The empirical equation developed to predict the in-plane strength of masonry infill walls equipped with structural fuse is discussed. A calculation method is suggested to specify an appropriate fuse element capacity arrangement in a building frame in order to achieve desirable and controlled structural performance. The design procedure is shown through application to two buildings used for example, a low-rise (4-story) and a mid-rise (8-story) building. The result of the study demonstrates that the proposed isolation system has merits and can potentially improve the seismic performance of masonry infill walls by protecting the infill wall and the frame from damages due to their in-teraction.

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