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SMiRT-26 ACS SASSI 발표 논문

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댓글 0건 조회 51회 작성일 22-07-26 10:33

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2022 7월 독일에서 개최되었던 SMiRT-26 컨퍼런스의 ACS SASSI 발표 논문 입니다.

SSI해석 관련 업무에 유용한 참고 자료로 도움이 되시기를 바랍니다.

 

SMiRT26 CONFERENCE, BERLIN/POSTDAM, GERMANY, JULY 10-15, 2022.

ACS SASSI APPLICATIONS

SMRs: "
Studies on SMR SSI Responses Under Nonvertically Propagating Seismic Waves for Nonuniform Soils With Abrupt Stiffness Variations"
SMRs:
"Efficient Linear and Nonlinear Seismic SSI Analysis of Deeply Embedded Structures Using Flexible Volume Reduced-Order Modeling"
Pile Foundations:
"Seismic SSI Analysis of RB Complex on Piles Including Effects of Motion Incoherency and Nonlinear Soil Behavior"
Probabilistic SSSI:
"Probabilistic SSSI Analysis of Reactor and Auxiliary Building without and with Incoherency Effects"
Base Isolation:
Seismic SSI Analysis of A Base-Isolated Storage Structure Founded on Firm Soil'

SPECIAL SESSION ON "NONLINEAR SEISMIC SSI ANALYSIS BASED ON BEST ENGINEERING PRACTICES IN US AND JAPAN"
Chairs: Dan M. Ghiocel, GP Technologies, USA, and Yasuo Nitta, SHIMIZU Co., Japan
ABSTRACT: Due to the high seismic site conditions, the nonlinear seismic SSI analysis is required in Japan for the design basis analyses on the NPP structures In many other countries including US, the nonlinear seismic SSI analysis is not required for the design basis analyses by current regulations, except for some special design detailed aspects related to foundation soil interface modeling that need additional research studies. This special session introduces a practical engineering approach for nuclear industry for performing nonlinear seismic SSI analysis of buildings The introduced SSI approach implementation follows the Japanese nonlinear structure modeling and seismic analysis practice for reinforced concrete buildings, and it further extends it to detailed 3 DFEM SSI models. It has a robust engineering foundation, i n compliance with Japan standards (JEAC 4601 2015 JEAC 4618 2009 AIJ RC 2018 and US standards (ACI 318 19 ACI 349 14 ASCE 4 16 ASCE 43 19 for RC and SC wall modeling. The
introduced approach is based on a hybrid SSI approach that uses an iterative scheme which couples the equivalent linear complex frequency SASSI analysis with the nonlinear time domain RC/SC structure analysis. The iterative approach is fast converging in few SSI restart iterations, being attractive to industry due to its accuracy, convenience and affordability, plus its close compliance with standard and regulatory requirements. This special session presents a set of two papers that introduces key modeling and implementation aspects of SSI approach, and another set of three papers that presents few independent verification and validation studies performed by Japan industry, universities and nuclear agency.
PAPERS:
"An Efficient Seismic Nonlinear SSI Approach Based on Best Practices in US and Japan. Part 1:Modeling"
"An Efficient Seismic Nonlinear SSI Approach Based on Best Practices in US and Japan. Part 2:Application"
"Comparative Study using Stick and 3DFEM Nonlinear SSI Models Per JEAC 4601-2015 Recommendations"
"Applicability of Equivalent Linear 3DFEM Analysis of Reactor Buildings to the Seismic Response of a Soil–Structure Interaction System"
"Seismic SSI Analysis of Reactor Building Complex including Foundation Uplift based on JEAC 4601-2015 Recommendations"

 

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