APPLICATION SECTION-STEEL BONDED TO REINFORCE STRUCTURE WITH LOAD SIGNIFICANT INCREASED

Li Yuechen

doi:10.13204/j.gyjz201104028

Volume 41 Issue 4

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2011 > 41(4): 133-135,102

Wang Yan, Zheng Jie. STUDY ON THE PRYING FORCE OF HIGH STRENGTH BOLT IN EXTENDED END-PLATE CONNECTION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(9): 99-103. doi: 10.13204/j.gyjz200809028

Citation:

Li Yuechen. APPLICATION SECTION-STEEL BONDED TO REINFORCE STRUCTURE WITH LOAD SIGNIFICANT INCREASED[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(4): 133-135,102. doi: 10.13204/j.gyjz201104028

Wang Yan, Zheng Jie. STUDY ON THE PRYING FORCE OF HIGH STRENGTH BOLT IN EXTENDED END-PLATE CONNECTION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(9): 99-103. doi: 10.13204/j.gyjz200809028

Citation:

Li Yuechen. APPLICATION SECTION-STEEL BONDED TO REINFORCE STRUCTURE WITH LOAD SIGNIFICANT INCREASED[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(4): 133-135,102. doi: 10.13204/j.gyjz201104028

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APPLICATION SECTION-STEEL BONDED TO REINFORCE STRUCTURE WITH LOAD SIGNIFICANT INCREASED

doi: 10.13204/j.gyjz201104028

Li Yuechen

1.
School of Water Resource and Hydropower,Wuhan University,Wuhan 430072,China

Received Date: 2010-01-26
Publish Date: 2011-04-20

Abstract

Abstract

In the technological transformation of a thermal power plant，a new deaerator and some ancillary facilities with a total weight of 2 000 kN would be placed on two beams of Oxygen Room. The load far beyond the originally designed carrying capacity of beams. With analysis and appraisal，it was determined that they should be reinforced by method of section-steel bonded. Based on the theoretical assumption，positive bending moment reinforcement was designed by the classical theory of rectangular cross-section flexural strength，negative bending moment reinforcement designed by the formula form related experimental study. Processing and production of section-steel beams must be precise. As the deformation of section-steel beams was very difficult，so，the paste construction method offixed frist before perfusionshould be used，and to ensure the joint work of both old and new structures with the shear key plates，chemical anchorage and other structural measures were also used. After the construction，load-on field test was conducted，which showed that reinforcing effect was very good.
- section-steel bonded,
- reinforcement,
- load-on field test

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References(6)

References

高作平,周剑波,陈明祥,等.采用粘结型钢扩大混凝土梁截面进行抗弯加固[G]//混凝土结构粘结加固技术新进展.北京:中国水利水电出版社,1999:97－104.

[2] 李曰辰,高作平,卢亦焱,等.悬臂梁粘型钢加固应用实例[J].工业建筑,2000,30(12):66－68.

[3] GB500102002混凝土结构设计规范[S].

[4] GB503672006混凝土结构加固设计规范[S].

[5] GB500092001建筑结构荷载规范[S].

[6] GB500172003钢结构设计规范[S].

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