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İstanbul Teknik Üniversitesi / Fen Bilimleri Enstitüsü / İnşaat Mühendisliği Anabilim Dalı / Yapı Mühendisliği Bilim Dalı

Ağır sanayi yapısının AISC 360-10 ve TS-648 Yönetmeliklerine göre karşılaştırılmalı boyutlandırılması

Comperative design of a heavy industrial steel structure according to AISC 360-10 and TS-648

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Çelik yapılarda mühendislik tasarımı ve paket programlar önemli bir yer tutmaktadır ...

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Summary:

Engineering design and programmes are vital process in steel structures In this duration of engineering desing many codes are guiding to engineers Although existing design codes based on different design principles, all the design code's aim is to ensure life safety There are two basic principles in design of structure One of them is allowable stress design and the other is load and resistance factor that is based on probability theory In this study, which is presented as a M Sc thesis, in the long direction concentrically braced frame, in the short direction moment frame is defined as nominal ductility level heavy industry structure AISC 360-10 and TS-648 design codes are used to examine SAP 2000 stress analysis One of the aim of civil engineers is not only design of buildings but also reducing the cost of the buildings In this thesis allowable stress design and load and resistance factor design compared to which is closed to optimal results In the design of structural model, vertical and horizontal loads kept constant and LRFD (load and resistance factor), ASD (allowable stress design) and TS-648 code's combinations are used to analyse structure TS-498 code is used for vertical load and wind load Determination of seismic loads ASCE 7-10 and DBYBHY-2007 codes are used The internal forces of the frame elements located in the SAP2000 program, AISC360-10 (LRFD), AISC360-10 (ASD) and TS-648 according to the regulations of stress in the frame elements are compared When we examine capacity ratio of frames, LRFD and ASD design criteria in sizing results are too close but according to TS-648 design criteria , we need to change frame section This case will cause move away from economy and increase the cost of building Wind loads in the load analysis was calculated according to the principles of TS-648 Earthquake loads carried by the AISC 341-10 code and DBYBHY 2007 code and the results are quite close Because our infrastructure and existing regulations for snow accumulation of clutter in our profit calculation methods related to the lack of a clear account Snow accumulation UBC-97 was performed according to regulations We used DIN120 regulation to design crane girders The reason that to use this regulation, especially occurring at constant load is to consider the effects of fatigue As a result of these studies , some shortcoming appeared in T-648 code If we summarize briefly; Though main loads and extra loads for resistance strength identified, the combinations that should be used in sizing aren't mentioned There are normal ductility and high ductility definitions in earthquake regulations so as to be used in earthquake analysis of steel contructions This classification is made by the energy would be swallowed in earthquake This classification effects reduction factor of earthquake load and earthquake effect decrease at that rate Besides ductility level, cross-sectional dimentions are defined and slenderness upper limits are identified When viewed from this aspect , existing TS-648 seems inadequated Slenderness upper limits exist for only build-up section based on web and flange section dimentions In TS-648 article 2 4 2 4, displacement information given but this information provide nowadays needs ...

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