DESIGN OF NEW PRESTRESS UNDERPINNING TECHNOLOGY

Zhou Guangrong

doi:10.13204/j.gyjz200504007

Volume 35 Issue 4

Dec. 2014

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Zhou Guangrong. DESIGN OF NEW PRESTRESS UNDERPINNING TECHNOLOGY[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(4): 24-25,31. doi: 10.13204/j.gyjz200504007

Citation:

Zhou Guangrong. DESIGN OF NEW PRESTRESS UNDERPINNING TECHNOLOGY[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(4): 24-25,31. doi: 10.13204/j.gyjz200504007

Zhou Guangrong. DESIGN OF NEW PRESTRESS UNDERPINNING TECHNOLOGY[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(4): 24-25,31. doi: 10.13204/j.gyjz200504007

Citation:

Zhou Guangrong. DESIGN OF NEW PRESTRESS UNDERPINNING TECHNOLOGY[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(4): 24-25,31. doi: 10.13204/j.gyjz200504007

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DESIGN OF NEW PRESTRESS UNDERPINNING TECHNOLOGY

doi: 10.13204/j.gyjz200504007

Zhou Guangrong

1.
Shanghai Modern Architecture Design Group Co. ,Ltd. Shanghai 200041

Received Date: 2004-11-14
Publish Date: 2005-04-20

Abstract

Abstract

An new type of prestress underpinning technology is presented.By means of screwing high strength bolts,underpinning beams are forced to bend to get prestress up?word, on the other hand, bearing columns are unloaded to zero?stress condition and sawed off.Compared with current underpinning technologies, the new technology features direct and?efficient prestressing, simple construction and without damage to existing structures etc.An application of the technology to a?practical project is introduced in detail.
- reconstruction,
- underpinning technology,
- prestress unload

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CECS25:90混凝土结构加固技术规范

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