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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.9 P.1201~1207

10.1631/jzus.A0720090


Tensile force correction calculation method for prestressed construction of tension structures


Author(s):  Xin ZHUO, Guo-fa ZHANG, Koichiro ISHIKAWA, Dao-an LOU

Affiliation(s):  Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   zhuoxin@zju.edu.cn

Key Words:  Tension structures, Prestressed construction, High precision


Xin ZHUO, Guo-fa ZHANG, Koichiro ISHIKAWA, Dao-an LOU. Tensile force correction calculation method for prestressed construction of tension structures[J]. Journal of Zhejiang University Science A, 2008, 9(9): 1201~1207.

@article{title="Tensile force correction calculation method for prestressed construction of tension structures",
author="Xin ZHUO, Guo-fa ZHANG, Koichiro ISHIKAWA, Dao-an LOU",
journal="Journal of Zhejiang University Science A",
volume="9",
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pages="1201~1207",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0720090"
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%T Tensile force correction calculation method for prestressed construction of tension structures
%A Xin ZHUO
%A Guo-fa ZHANG
%A Koichiro ISHIKAWA
%A Dao-an LOU
%J Journal of Zhejiang University SCIENCE A
%V 9
%N 9
%P 1201~1207
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0720090

TY - JOUR
T1 - Tensile force correction calculation method for prestressed construction of tension structures
A1 - Xin ZHUO
A1 - Guo-fa ZHANG
A1 - Koichiro ISHIKAWA
A1 - Dao-an LOU
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 9
SP - 1201
EP - 1207
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0720090


Abstract: 
Factors such as errors during the fabrication or construction of structural components and errors of calculation assumption or calculation methods, are very likely to cause serious deviation of many strings’ actual prestressing forces from the designed values during tension structure construction or service period, and further to threaten the safety and reliability of the structure. Aiming at relatively large errors of the prestressing force of strings in a tension structure construction or service period, this paper proposes a new finite element method (FEM), the “tensile force correction calculation method”. Based on the measured prestressing forces of the strings, this new method applies the structure from the zero prestressing force status approach to the measured prestressing force status for the first phase, and from the measured prestressing force status approach to the designed prestressing force status for the second phase. The construction tensile force correction value for each string can be obtained by multi-iteration with FEM. Using the results of calculation, the strings’ tensile force correction by group and in batch will be methodic, simple and accurate. This new calculation method can be applied to the prestressed correction construction simulation analysis for tension structures.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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