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Showing results for tags 'imrf'.
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Hello Question regarding choosing between shear walls and moment frame system. Both the systems are provided to resist the lateral forces. Shear wall acts as lateral force resisting system same as Moment frame like IMRF, or SMRF. The value for Response reduction factor is different for different systems according to UBC. If i have a choice to select shear wall or moment frame system which system is better to choose. I know SMRF or is used in areas of high seismic zone thereby less R value and a ductile system. But in case of moderate seismic zone like zone 2A or zone 2B if I have option of providing only moment frames or only shear walls then what is the criteria for selecting such system?
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please anyone tell me the reinforcement requirements in omrf,imrf and smrf briefly as I did't understand from codes fully so I want if someone explain me in simple words?
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how to differentiate between different types of frames ordinary, intermediate and special moment resisting frames and on which parameters they depnd and how to select one from them to be used?
- 5 replies
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- Moment resisting frames
- imrf
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Hello Guys. According to your opinion is it possible to BUILD SMRF(Special Moment Resisting Frames) in Pakistan satisfying all code requirements? Need comments of senior engineers. There is practice among Pakistani Designers that they take value of "R" for IMRF intead of SMRF even if there building is in UBC zone 3 or 4.
