APPLICATION OF STRAIN-CONTROL BY COMPUTERS DURING UNDERPINNING TO BEAM AND COLUMN IN REPLACED CONCRETE STRENGTHENING FOR A TALL BUILDING

Li Jinbao

doi:10.13204/j.gyjz200809030

Volume 38 Issue 9

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2008 > 38(9): 107-111

Li Jinbao. APPLICATION OF STRAIN-CONTROL BY COMPUTERS DURING UNDERPINNING TO BEAM AND COLUMN IN REPLACED CONCRETE STRENGTHENING FOR A TALL BUILDING[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(9): 107-111. doi: 10.13204/j.gyjz200809030

Citation:

Li Jinbao. APPLICATION OF STRAIN-CONTROL BY COMPUTERS DURING UNDERPINNING TO BEAM AND COLUMN IN REPLACED CONCRETE STRENGTHENING FOR A TALL BUILDING[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(9): 107-111. doi: 10.13204/j.gyjz200809030

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APPLICATION OF STRAIN-CONTROL BY COMPUTERS DURING UNDERPINNING TO BEAM AND COLUMN IN REPLACED CONCRETE STRENGTHENING FOR A TALL BUILDING

doi: 10.13204/j.gyjz200809030

Li Jinbao

1.
Southeast Special Technology Engineering Co.,Ltd in Jiangsu Nanjing 210008

Received Date: 2008-05-20
Publish Date: 2008-09-20

Abstract

Abstract

The concrete for frame columns on the 5th floor for a tall building is unacceptable.Therefore,the method of replaced concrete is selected.Computer-control system and strain gauges are used during construction by this strengthening method;meanwhile mechanical jacks are also used in unloading process,by which the internal forces,deformation,residual deformation of the structure at replaced concrete position can be reflected accurately.The displacement of the structure is monitored by micrometers,which provides reliable basis for unloading,thus the safety of the operators and the structure can be ensured during the construction of strengthening the structure.
- strengthening of replaced concrete,
- unloading of structure,
- computer-controlled system,
- monitoring of vertical displacement

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References(5)

References

[2] CB50010-2002 混凝土结构设计规范

李今保.计算机应变控制梁柱托换方法.中国.专利号:200710022247.3,2007

[3] GB50017-2003 钢结构设计规范

[4] GB50367-2006 混凝土结构加固设计规范

[5] CB50009-2001 建筑结构荷载规范

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