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Design and implementation experience of seismic upgrades at Kozloduy and Paks NPPs

Abstract

Series of upgrades have been designed and implemented by EQE-Bulgaria at Kozloduy NPP and as a subcontractor of EQE-International - at Paks NPP. Wide variety of facilities have been upgraded, including Electrical Equipment, Control and Instrumentation Equipment, Technological Equipment, Brick Walls and Building Structures. Different design approaches and concepts have been applied in compliance with the specific technological and structural conditions. The effect of the excitation intensity as well as the presence of specific floor response spectra over the upgrading concept and cost is discussed. Specific problems of supporting heavy technological equipment are noted. A practical approach for seismic upgrading of Brick Walls, as well as a tendency for unification of the engineering design is shown. The first completely upgraded Building Structure at Kozloduy NPP is the structure of the Electrical Control Building to the Diesel Generator of the River-bank Pump Station. Specific problems of the implementation of the final upgrading design of the Diesel Generator Building are outlined. (author)
Authors:
Borov, V; Trichkov, V; Alexandrov, A; Jordanov, M [1] 
  1. EQE-Bulgaria, Sofia (Bulgaria)
Publication Date:
Jul 01, 1995
Product Type:
Conference
Report Number:
INIS-XA-185
Reference Number:
EDB-00:100152
Resource Relation:
Conference: SMIRT-13 post conference seminar no. 16. Advanced technology seminar on seismic evaluation of existing nuclear facilities, Iguazu (Argentina), 21-23 Aug 1995; Other Information: 16 refs, 18 figs; PBD: 1995; Related Information: In: Seismic evaluation of existing nuclear facilities. Proceedings, 454 pages.
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; CONTAINMENT BUILDINGS; ELECTRICAL EQUIPMENT; KOZLODUY-5 REACTOR; KOZLODUY-6 REACTOR; PAKS-1 REACTOR; PAKS-2 REACTOR; PAKS-3 REACTOR; PAKS-4 REACTOR; REACTOR COMPONENTS; REACTOR CONTROL SYSTEMS; RISK ASSESSMENT; SAFETY ANALYSIS; SEISMICITY; SPECTRAL RESPONSE; STRUCTURAL MODELS
OSTI ID:
20004770
Research Organizations:
International Atomic Energy Agency, Vienna (Austria); National University of Cordoba, Cordoba (Argentina)
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
TRN: XA9952666053329
Availability:
Available from INIS in electronic form
Submitting Site:
INIS
Size:
page(s) 377-391
Announcement Date:
Dec 04, 2000

Citation Formats

Borov, V, Trichkov, V, Alexandrov, A, and Jordanov, M. Design and implementation experience of seismic upgrades at Kozloduy and Paks NPPs. IAEA: N. p., 1995. Web.
Borov, V, Trichkov, V, Alexandrov, A, & Jordanov, M. Design and implementation experience of seismic upgrades at Kozloduy and Paks NPPs. IAEA.
Borov, V, Trichkov, V, Alexandrov, A, and Jordanov, M. 1995. "Design and implementation experience of seismic upgrades at Kozloduy and Paks NPPs." IAEA.
@misc{etde_20004770,
title = {Design and implementation experience of seismic upgrades at Kozloduy and Paks NPPs}
author = {Borov, V, Trichkov, V, Alexandrov, A, and Jordanov, M}
abstractNote = {Series of upgrades have been designed and implemented by EQE-Bulgaria at Kozloduy NPP and as a subcontractor of EQE-International - at Paks NPP. Wide variety of facilities have been upgraded, including Electrical Equipment, Control and Instrumentation Equipment, Technological Equipment, Brick Walls and Building Structures. Different design approaches and concepts have been applied in compliance with the specific technological and structural conditions. The effect of the excitation intensity as well as the presence of specific floor response spectra over the upgrading concept and cost is discussed. Specific problems of supporting heavy technological equipment are noted. A practical approach for seismic upgrading of Brick Walls, as well as a tendency for unification of the engineering design is shown. The first completely upgraded Building Structure at Kozloduy NPP is the structure of the Electrical Control Building to the Diesel Generator of the River-bank Pump Station. Specific problems of the implementation of the final upgrading design of the Diesel Generator Building are outlined. (author)}
place = {IAEA}
year = {1995}
month = {Jul}
}