某教學樓震后抗震加固技術研究與應用.pdf

1、沈陽建筑大學碩士學位論文某教學樓震后抗震加固技術研究與應用姓名：孟少鋒申請學位級別：碩士專業(yè)：結構工程指導教師：吳獻；劉明2010-01碩士研究生學位論文 Abstract III Abstract In 2008 our country Wenchuan has experienced especially big earthquake of 8.0 magnitude, which has caused

2、 massive building destruction. After shaking, the house according to “the ministry of construction: The Construction Seismic Failure Rank Division Standard“ (the People's Republic of China Ministry of C

3、onstruction (1990) constructs anti- character 377th about prints and distributes “Construction Seismic Failure Rank Division Standard“ notice), The Seismic Failuer is divided five ranks, complete ba

4、sically (including complete), damage of slight, damage of moderate, damage heavy, collapses.The Collapse Buildings will be removed, and the buildings of Largely intact and minor damaged after no

5、 repair or repair slightly will be use again; but The moderate damage and heavy damage's buildings will be used again,which must be repaired generally or overhaul. After investigating the e

6、arthquake damage for Mianyang and peripheral locality of Mianyang, Deyang and the peripheral locality of Deyang investigation, the author finded many school buildings were moderate damage or heavy d

7、amage,which must be reinforced. After statistical, the school buildings of moderate damaged or heavy damaged is above 60% of the total survey. If this part of buildings reconstructed,will create

8、 the massive waste of the resources, and will not be favor for the environmental protection, at the same time the school scene will be destroyed. If the modeherate damage or heavy damage'

9、;s house got reinforced, it can overcome the above malpractice, simultaneously tallies with the reality of the disaster area. This article takes the reinforcement of the three cast- in- place porta

10、l frame project for exmple, and proposed overall makes the construction structure reinforcement transformation of the method and ideas. After The 5.12 Wenchuan Earthquake, according to a new nat

11、ional post- earthquake seismic requirements, the earthquake- proof of the reinforcement project demands increased, for example,the basic design of an earthquake acceleration improve from 0.1g to 0.15g,and The

12、 Shchool Building of the seismic fortification category, turn class C into B and so on.SO the school buildings that was not collapsed after the earthquake must be reinforced in order to meet

13、 the new post- earthquake seismic requirements. First, in this paper the structure of the earthquake before and after the earthquake (not reinforced) two states are carried out structural analysi

14、s and recalculations. Second, according to the checking results, the partial transformation of the internal forces in the structure which caused re- distribution, and component analysis of changes

15、 in reinforcement has been analysised. Third, the optimization of the reinforcement program was opted. Finally, at the elements considering the cross- section stiffness change of reinforced structu

16、ral, analysis and check the reinforce the structure which changed in based on the transformation of the reinforcement structure ,in order to rebuild and provide the basis for analysis and eva