配有高強(qiáng)鋼筋的高強(qiáng)混凝土框架結(jié)構(gòu)的彈塑性時(shí)程分析.pdf

1、沈陽建筑大學(xué)碩士學(xué)位論文配有高強(qiáng)鋼筋的高強(qiáng)混凝土框架結(jié)構(gòu)的彈塑性時(shí)程分析姓名：王麗娟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：閻石2007-01Ⅱ Abstract ABSTRACT It is obvious that the development of structural material has laid a foundation on the evolution of the structu

2、ral technique and theory, and that the research and application for high- performance concrete and steel are mainly directions in the field of structural materials. However, the high- strength co

3、ncrete has relatively weak ability of the deformation, which induces a limitation of energy dissipation in the seismic zoon, to restrict its use. The scientist and engineer in the field are l

4、ooking for the m ethods to increase effectively the ability to dissipate more energy during an earthquake and it has become a goal for them to work. By using the method of strengthening tran

5、sverse and longitudinal rebars in the concrete members, the concrete in the core can be effectively confined in a state of the three- dimensional compressions and the deformation for the concre

6、te member can develop during an earthquake. The great deformation called ductility is effective to prevent damages of the members from an earthquake. The method has been validated from the res

7、ults of experiments. However, the work in theory and numerical analysis for this technique is relative lack. The goal of the dissertation is to setup a basic theory and nonlinear FEM numerica

8、l method for the analysis of the strength and deformation of this kind of structure. The dissertation, firstly, introduced generally the development situation and state for the high- strength con

9、crete and steel (SHCS) in China and abroad, and set up a constitutive model which is suitable to the analysis of HSCH structure on the basis of experiments and work. Secondly, nonlinear FEM

10、 software named Drain- 2D is applied in elastic and plastic time history response analysis of three kinds of structures which are frame structures with high- strength concrete and high- strength

11、rebar, high- strength concrete and normal- strength rebar, as well normal- strength concrete and normal- strength rebar. Finally, the affection for these structures are analyzed parametrically for va

12、rious of earthquake ground motions and the results of the computation lay a theoretical foundation for the application of this kind of frame structure. The results of research shows that the

13、method proposed in the dissertation can not only increase the bearing capacity of structures or members but decrease the residual deformation after the earthquake and prevent the structure from

14、 collapse. Also, the results of the numerical analysis can be used as both a reference of an engineering design and further research in the direction. Key words: High- strength Concrete; High- st