Seismic behavior of Reinforced Concrete Column with Interlocking Spirals
Date Issued
2011
Date
2011
Author(s)
Hsu, Cheng-Hong
Abstract
Along with the evolution of reinforced concrete’s application in Taiwan, inter-locking spiral has been accepted and used as a type of transverse steel. It is showed that reinforced concrete using inter-locking spiral can not only reduce the artificial error of hoops, but also reduce using the amount of hoops. It is also demonstrated the reinforced concrete using inter-locking spiral can provide more confinement.
The present research of reinforced concrete using inter-locking spiral, is mostly aimed at the squared cross-section. However, the rectangular cross-section and the oval cross-section are used to public construction, is still lacked the data to prove the efficacy.
The research compares the confinement of reinforced concrete, which have rectangular and oval cross- section, using inter-locking spiral and traditional hoops in the same design code. By the three tests, compression test, recyclic tests and eccentric tests, it can be discussed the feasibility of inter-locking spiral on two different cross-sections.
According to the results of experiments, the performance of reinforced concrete which uses inter-locking spiral is better than the one uses traditional hoops. It is showed that inter-locking spiral use on rectangular cross-section and oval cross-section can provide more confinement effect and be used in the public construction.
Subjects
inter-locking spiral
confinements
compression test
recyclic test
eccentric test
Type
thesis
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