APPLICATION OF PRESTRESSED JOIST BEAMS FOR REMOVING COLUMN IN REFORM OF BUILDINGS

Wang Qin; Cui Qinghai; Zhang Xin

doi:10.13204/j.gyjz201005031

Volume 40 Issue 5

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2010 > 40(5): 143-145

Andres Quiros Zhang Shuai Cheng Xiaohui, . STUDY OF THE MICP INJECTION IN UNSATURATED SANDY SOILS[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(7): 28-30. doi: 10.13204/j.gyjz201507006

Citation:

Wang Qin, Cui Qinghai, Zhang Xin. APPLICATION OF PRESTRESSED JOIST BEAMS FOR REMOVING COLUMN IN REFORM OF BUILDINGS[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(5): 143-145. doi: 10.13204/j.gyjz201005031

Andres Quiros Zhang Shuai Cheng Xiaohui, . STUDY OF THE MICP INJECTION IN UNSATURATED SANDY SOILS[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(7): 28-30. doi: 10.13204/j.gyjz201507006

Citation:

Wang Qin, Cui Qinghai, Zhang Xin. APPLICATION OF PRESTRESSED JOIST BEAMS FOR REMOVING COLUMN IN REFORM OF BUILDINGS[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(5): 143-145. doi: 10.13204/j.gyjz201005031

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APPLICATION OF PRESTRESSED JOIST BEAMS FOR REMOVING COLUMN IN REFORM OF BUILDINGS

doi: 10.13204/j.gyjz201005031

1.
Research Institude of Engineering and Repair,Shandong Jianzhu University,Jinan 250014,China

Received Date: 2009-05-26
Publish Date: 2010-05-20

Abstract

Abstract

Six columns on the first and second floors of a commercial building in Qingdao are required to be removed for functional purpose. The structural form of the building is RC frame,having 2 stories in the basement and 3 stories above the ground (4 stories partially) . Due to the columns removed,the span of the corresponding beam is increased to 18 meters. Bonded prestress technique is used to strengthen the original frame beam in order to sustain the increased loads,good result is obtained. The method used in this project can be referred by the reinforcing design of similar projects.
- column removed,
- bonded prestress,
- frame

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References(6)

References

T. Y. Lin,Burns N H. 预应力混凝土结构设计[M]. 路湛沁,译. 北京:中国铁道出版社,1983.

[2] GB 500112001 建筑抗震设计规范[S].

[3] GB 500102002 混凝土结构设计规范[S].

[4] GB 503672006 混凝土结构加固设计规范[S].

[5] JGJ 1452004,J 4072005 混凝土结构后锚固技术规程[S].

[6] 张开臣,王丰,司波,等. 加固改造工程中旧柱新梁设计和施工[J]. 工业建筑,2009,39(11) : 126-128.

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