Abstract
Simplified structural mechanics model can analyze frame-tube the structure with strengthened stories partly. The analytic expression for the sideway curve of top-strengthened frame-tube structures, considering the influence of floor beams and strengthened stories on the sideway of the structure, was derived by using the minimum potential energy principle. It was analyzed that how floor beams and strengthened stories effect the sideway of the structure from some practical examples. The quantitative results show that the influence of floor beams on the sidesway can not be ignored in the designs. Some structural design methods were investigated to reduce unfavorable factors caused by the strengthened stories whose designs consider the precautions against earthquake. Recommended relative stiffness values of the strengthened story to core wall and the floor beam to core wall are given, giving reference to designers in their preliminary structure design.
| Original language | English |
|---|---|
| Pages (from-to) | 100-103 |
| Number of pages | 4 |
| Journal | Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition) |
| Volume | 34 |
| Issue number | 9 |
| State | Published - Sep 2006 |
| Externally published | Yes |
Keywords
- Floor beams
- Floor beams index
- Frame-tube structure
- Sidesway
- Strengthened story
- Strengthened story index
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