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Axisymmetric Modeling of Dome Tendons in Nuclear Containment Building II. Verification through Numerical Examples
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 Title & Authors
Axisymmetric Modeling of Dome Tendons in Nuclear Containment Building II. Verification through Numerical Examples
Jeon Se-Jin;
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 Abstract
Axisymmetric modeling of the nuclear containment building has been often employed in practice to estimate structural behavior for the axisymmetric loadings, where the axisymmetric approximation is required for the actual non-axisymmetric tendon arrangements in the dome. In the preceding companion paper, some procedures are proposed for the domestic CANDU and KSNP type containments that can implement the actual 3-dimensional tendon stiffness and prestressing effect into the axisymmetric model. In this paper, the proposed schemes are verified through some numerical examples comparing the results of the actual 3-dimensional model with those of some axisymmetric models. The results of the proposed axisymmetric analyses show relatively good agreements with the actual structural behavior especially for the CANDU type. Also, it is shown that proper level of the prestressing in a hoop direction plays an important role to predict the actual prestressing effect in the axisymmetric dome modeling. Finally, correction factors are discussed that can revise some approximations introduced in the derivations.
 Keywords
nuclear containment building;dome;prestressing tendon;axisymmetric model;
 Language
Korean
 Cited by
1.
원전 격납건물 돔 텐던의 축대칭 모델링 기법 I. 이론식의 유도,전세진;정철헌;

한국콘크리트학회논문집, 2005. vol.17. 4, pp.521-526 crossref(new window)
2.
콘크리트 격납구조물 돔과 링빔의 개선된 설계기법,전세진;김영진;

한국콘크리트학회논문집, 2010. vol.22. 6, pp.817-824 crossref(new window)
1.
An Advanced Design Procedure for Dome and Ring Beam of Concrete Containment Structures, Journal of the Korea Concrete Institute, 2010, 22, 6, 817  crossref(new windwow)
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