Testing and Control for Strands Embedded in Annular Concrete Foundation Beam of Steel Archaize Tower

Abstract:

Combined with the design and construction of annular pre-stressed concrete foundation beam of Tiantang Site Protection Exhibition Project in Luoyang, China, this paper introduces the test process of frictional lose for annular strands. The calculation method is given to deal with the original data to get the friction coefficient of the strands. The controlling parameters such as control tensioning stress and theoretical elongations of strands are advised. The rational pre-stressing process and key indexes are confirmed by the comparison of test and theoretical circumferential stresses of the foundation beam. It is reasonable to fulfill the design requirements by strict controlling in the fields. It is believed that the process and method in this paper would give some reference for the construction of similar annular pre-stressed concrete structures.

• Periodical: Applied Mechanics and Materials (Volume 238)
• Pages: 643-647
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.238.643
• Online since: November 2012
• Authors: Xiao Ke Li, Jian Liu, Zhi Hao Wang, Peng Fei Han
• Keywords: Annular Anchor, Circumferential Stress, Field Test, Friction Coefficient (FC), Pre-Stressed Concrete

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