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2016 Vol.29, Issue 5
Embedment Effect of Foundation on the Response of Base-Isolated NPP Structure

기초의 묻힘이 면진 원전구조물의 지진응답에 미치는 효과

Eun-Haeng Lee1
,
Jae-Min Kim2†
,
Sang-Hoon Lee3
,
Jae-Hee Kim3
이 은 행1
,
김 재 민2†
,
이 상 훈3
,
김 재 희3
1Department of Civil and Environmental Engineering, Chonnam National Univ., Yeosu, 59626, Korea
2Department of Marine and Civil Engineering, Chonnam National Univ., Yeosu, 59626, Korea
3KEPCO E&C, Gimcheon, 39660, Korea
1전남대학교 대학원 건설·환경공학과
2전남대학교 해양토목공학과
3한국전력기술(주)
†Corresponding author : Tel: +82-61-659-7245; jm4kim@jnu.ac.kr
2016. pp. 377-388
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Abstract

This study is aimed to evaluate the embedment effect of foundation as compared to the surface foundation on the response of a base-isolated nuclear power plant structure. For this purpose, the boundary reaction method (BRM), which is a two-step frequency domain and time domain technique, is used for the nonlinear SSI analysis considering nonlinear behavior of base isolators. The numerical model of the BRM is verified by comparing the numerical results obtained by the BRM and the conventional frequency-domain SSI analysis for an equivalent linear SSI system. Finally, the displacement response of the base isolation and the horizontal response of the structure obtained by the nonlinear SSI analysis using the moat foundation model are compared with those using the surface foundation model. The comparison showed that the displacement response of the base isolation can be reduced by considering the embedment effect of foundation.

Keywords
nonlinear soil-structure interaction
boundary reaction method
viscoelastic boundary
ANSYS
KIESSI-3D

이 연구는 기초의 묻힘이 면진 원전구조물의 응답에 미치는 효과를 지표기초와 비교하여 평가하였다. 면진장치의 비선형 성을 고려한 비선형 SSI 해석은 진동수영역해석과 시간영역해석의 복합법인 경계반력법(BRM)을 이용하여 수행하였다. BRM 해석모델은 BRM을 이용한 등가선형 SSI 해석결과를 재래의 주파수영역 SSI 해석결과와 비교함으로 검증하였다. 마 지막으로 비선형 SSI해석에 의한 묻힌기초 모델의 면진장치의 변위 및 구조물 응답을 지표기초의 해석결과와 비교하였다. 비교결과, 면진장치의 변위응답은 묻힌기초효과를 고려할 경우 감소할 수 있음을 알 수 있었다.

키워드
비선형 지반-구조물 상호작용
경계반력법
점탄성 경계
ANSYS
KIESSI-3D
References

References

1
E Alavi and M Alidoost, 15th WCEE, Soil-Structure Interaction Effects on Seismic Behavior of Base-Isolated Buildings (2012)
2
ANSYS Version 16, www.ansys.com
3
RJ Apsel and JE Luco, Earthq. Eng. & Struct. Dyn, Impedance Functions for Foundations Embedded in a Layered Medium: An Integral Equation Approach, 15; 213-231 (1987)
10.1002/eqe.4290150205
4
ASCE 4-12, Seismic Analysis of Safety-Related Nuclear Structures and Commentary, Draft Revision 16, ASCE. (2012)
5
U Basu, Int. J. Numer. Meth. Eng, Explicit Finite Element Perfectly Matched Layer for Transient Three-Dimensional Elastic Waves, 77; 151-176 (2009)
10.1002/nme.2397
6
D Bernal and A Youssef, Earthq Eng. & Struct. Dyn, A Hybrid Time Frequency Domain Formulation for Non-Linear Soil-Structure Interaction, 27; 673-685 (1998)
https://doi.org/10.1002/(SICI)1096-9845(199807)27:7<673::AID-EQE751>3.0.CO;2-3
7
J Bielak, K Loukakis, Y Hisada and C Yoshimura, Bull. Seismol. Soc. Am, Domain Reduction Method for Three-Dimensional Earthquake Modeling in Localized Regions. Part I: theory, 93(2); 817-824 (2003)
10.1785/0120010251
8
AJ Deek and MF Randolph, J. Eng. Mech. ASC, Axisymmetric Time Domain Transmitting Boundaries, 120(1); 25-42 (1994)
9
M Forni, A Poggianti and A Dusi, 15th WCEE, Seismic Isolation of Nuclear Power Plant; 24-28 (2012)
10
G Gazetas, J. Geotech. Eng, Formulas and Charts for Impedances of Surface and Embedded Foundations, 117(9); 1363-1381 (1991)
10.1061/(ASCE)0733-9410(1991)117:9(1363)
11
SR Han, MJ Nam, CG Seo and SH Lee, Earthq. Eng. Soc. Korea, Soil-Structure Interaction Analysis for Base-Isolated Nuclear Power Plants Using an Iterative Approach, 19(1); 21-28 (2015)
10.5000/EESK.2015.19.1.021
12
SE Jarernprasert, E Bazan-Zurita and J Bielak, Soil Dyn.& Earthq. Eng, Seismic Soil-Structure Interaction Response of Inelastic Structures, 47; 132-143 (2013)
10.1016/j.soildyn.2012.08.008
13
KP Jaya and A Meher Prasad, 13th World Conf. Earthq. Eng, Embedded Foundation with Different Parameters under Dynamic Excitations; 1-6 (2004)
14
T Karabork, IO Deneme and RP Bilgehan, Geomech. & Eng, A Comparison of the Effect of SSI on Base Isolation Systems and Fixed-Base Structures for Soft Soil, 7(1); 87-103 (2014)
10.12989/gae.2014.7.1.087
15
JD Kawamoto, Solution of Nonlinear Dynamic Structural System Based on a Hybrid Frequency-Time- Domain Approach, Research Report R83-5, Cambridge, MA. MIT, Dept. of Civil Eng. (1983)
16
L Kellezi, Soil Dyn.& Earthq. Eng, Local Transmitting Boundaries for Transient Elastic Analysis, 19; 533-547 (2000)
10.1016/S0267-7261(00)00029-4
17
JM Kim and EH Lee, KSCE Conference, Boundary Reaction Method for Nonlinear Soil-Structure Interaction Analysis (2013)
18
JM Kim, EH Lee and SH Lee, Soil Dyn.& Earthq. Eng, Boundary Reaction Method for Nonlinear Analysis of Soil- Structure Interaction under Earthquake Loads, 89; 85-90 (2016)
10.1016/j.soildyn.2016.07.020
19
EH Lee, JM Kim and SH Lee, Earthq. Eng. Soc. Korea, Nonlinear Soil-Structure Interaction Analysis of a Seismically Isolated Nuclear Power Plant Structure using the Boundary Reaction Method, 19(1); 37-43 (2015)
10.5000/EESK.2015.19.1.037
20
GH Lee, KY Hong, EH Lee and JM Kim, J. Comput. Struct. Eng, Inst. Korea, Verification of Linear FE Model for Nonlinear SSI Analysis by Boundary Reaction Method, 27(2); 95-102 (2014a)
21
JH Lee, JK Song and EH Lee, Earthq. Eng. Soc. Korea, Multi-Step Analysis of Seismically Isolated NPP Containment Structures with Lead-Rubber Bearings, 18(6); 261-269 (2014b)
10.5000/EESK.2014.18.6.261
22
JH Lee, JH Kim and JK Kim, Comput. & Struct, Perfectly Matched Discrete Layers for Three-Dimensional Nonlinear Soil-Structure Interaction Analysis, 165; 34-47 (2016)
10.1016/j.compstruc.2015.12.004
23
SH Lee and YS Lee, Earthq. Eng. Soc. Korea, Application Plan of Seismic Isolation System for APR1400, Proceeding of the Earthquake Engineering Workshop (2010)
24
P Li and EX Song, Soil Dyn. & Earthq. Eng, A Viscous-Spring Transmitting Boundary for Cylindrical Wave Propagation in Saturated Poroelastic Media, 65; 269-283 (2014)
10.1016/j.soildyn.2014.06.022
25
J Liu, Y Gu, Y Wang and B Li, Tsinghua Sci. & Tech, Efficient Procedure for Seismic Analysis of Soil-Structure Interaction System, 11; 625-631 (2006)
10.1016/S1007-0214(06)70244-9
26
LSTC, Version 971 R5. LS-DYNA User’s Manual, 1 & 2 (2010)
27
JE Luco, Soil Dyn. & Earthq. Eng, Effects of Soil-Structure Interaction on Seismic Base Isolation, 66; 67-177 (2014)
10.1016/j.soildyn.2014.05.007
28
J Lysmer, M Tabatabaie-Raissi, F Tajirian, S Vahdani and F Ostadan, SASSI: A System for Analysis of Soil-Structure Interaction - User’s Manual, Berkeley, CA. University of California. (1988)
29
A Mita and JE Luco, Methods Appl. Mech. & Eng, Dynamic Response of Embedded Foundations: A Hybrid Approach, Comput, 63; 233-259 (1987)
10.1016/0045-7825(87)90071-5
30
CG Seo and JM Kim, J. Comput. Struct. Eng. Inst. Korea, KIESSI Program for 3-D Soil-Structure Interaction Analysis, 25(3); 77-83 (2012)
31
JM Solberg, Q Hossain, JA Blink, SR Bohlen, G Mseis and H Greenberg, Report # LLNL-TR-6, Development of a Generalized Methodology for Soil-Structure Interaction Analysis Using Nonlinear Time-Domain Techniques, Lawrence Livermore National Laboratory. (2013)
32
CC Spyrakos, IA Koutromanos and CA Maniatakis, Soil Dyn. & Earthq. Eng, Seismic Response of Base-Isolated Buildings Including Soil-Structure Interaction, 29; 658-668 (2009)
10.1016/j.soildyn.2008.07.002
33
US Nuclear Regulatory Commission, Standard Review Plan(NUREC-0800): 3.7.2 Seismic System Analysis, Revision 3 (2007)
Information
  • Publisher :Computational Structural Engineering Institute of Korea
  • Publisher(Ko) :한국전산구조공학회
  • Journal Title :Journal of the Computational Structural Engineering Institute of Korea
  • Journal Title(Ko) :한국전산구조공학회 논문집
  • Volume : 29
  • No :5
  • Pages :377-388
  • Received Date : 2016-03-17
  • Revised Date : 2016-07-27
  • Accepted Date : 2016-09-29
  • DOI :https://doi.org/10.7734/COSEIK.2016.29.5.377
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