Nutzungsdauer von Tragwerken unter Berücksichtigung der CC-Versagensfolgeklassen

IF 0.8 4区工程技术 Q4 CONSTRUCTION & BUILDING TECHNOLOGY

Beton- und Stahlbetonbau Pub Date : 2025-06-16 DOI:10.1002/best.202500027

Prof. Dipl.-Ing. Dr. habil. Alfred Strauss, Dipl.-Ing.in. Saeideh Faghfouri, Prof. Dipl.-Ing. DDr. Dr.-Ing.E.h. Konrad Bergmeister, Dipl.-Ing. Dr. Walter Pichler, Dipl.-Ing. Christian Seywald

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引用次数: 0

Abstract

Service life of structures considering consequence classes (CC) of failure: Tunnel constructions

The growing importance of the sustainable use of engineering structures necessitates innovative approaches to extend the service life and enhance the resilience of concrete structures. Aging, operational demands, environmental and climatic impacts present significant challenges, requiring a thorough analysis of quality and safety criteria to ensure the long-term functionality of these structures. The aim of this paper is to explore the application of identity and conformity methods for quality assurance in construction and evaluate their influence on the service life of concrete structures in critical infrastructure. Particular emphasis is placed on identifying safety margins and their potential contribution to extending service life. The paper includes an analysis of relevant design codes and the variability of material properties, with a focus on the coefficient of variation (COV) of concrete. In addition, the application of reliability-based safety concepts using partial safety factors is examined. These studies are intended to encourage a re-evaluation of current quality control practices, as well as the application of conformity assessments and acceptance testing for concrete structures.

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根据CCC分类的结构寿命

考虑破坏后果等级（CC）的结构的使用寿命：隧道结构工程结构的可持续使用日益重要，需要创新的方法来延长混凝土结构的使用寿命和增强其弹性。老化、运行需求、环境和气候影响都带来了重大挑战，需要对质量和安全标准进行彻底分析，以确保这些结构的长期功能。本文的目的是探讨识别和合格方法在施工质量保证中的应用，并评估它们对关键基础设施混凝土结构使用寿命的影响。特别强调的是确定安全边际及其对延长使用寿命的潜在贡献。本文分析了相关设计规范和材料性能的可变性，重点分析了混凝土的变异系数（COV）。此外，还研究了基于可靠性的部分安全系数安全概念的应用。这些研究的目的是鼓励重新评价目前的质量控制做法，以及对混凝土结构进行合格评定和验收测试。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Beton- und Stahlbetonbau 工程技术-材料科学：表征与测试

CiteScore

2.50

自引率

36.40%

发文量

168

审稿时长

6-12 weeks

期刊介绍： Beton- und Stahlbetonbau veröffentlicht anwendungsorientierte Beiträge zum gesamten Massivbau. Neueste wissenschaftliche Erkenntnisse, Themen aus der Baupraxis und anwendungsorientierte Beiträge über neue Normen, Vorschriften und Richtlinien machen Beton- und Stahlbetonbau zu einem unverzichtbaren Begleiter und einer der bedeutendsten Zeitschriften für den Bauingenieur, seit mehr als 100 Jahren. Mit Berichten über ausgeführte Projekte und Innovationen im Baugeschehen erhält der Ingenieur weitere praktische Hilfestellungen für seine tägliche Arbeit. Themenüberblick: Entwurf, Berechnung, Bemessung und Ausführung sämtlicher Konstruktionen aus Beton Instandsetzung und Betonerhaltung Bauwerkserhaltung und - instandsetzung Nachrechnung bestehender Brückenbauwerke Bauwerksüberwachung Bewehrungs- und Befestigungstechnik Entwicklungen der Baustoffe Spannbeton ausgeführte Projekte Normen.