Konrad Bergmeister

Список книг автора Konrad Bergmeister



    Design of Fastenings for Use in Concrete. The CEN/TS 1992-4 Provisions

    Konrad Bergmeister

    The European pre-standard CEN/TS 1992-4 for the design of fastenings by means of headed studs, anchor channels as well as post-installed mechanical and chemical anchors is ready for use. The background and interpretation of the provisions related to the determination of actions and resistances based on limit state design, durability, fire resistance, fatigue and earthquake actions as required by CEN/TS 1992 are described in detail. Selected chapters from the German concrete yearbook are now being published in the new English «Beton-Kalender Series» for the benefit of an international audience. Since it was founded in 1906, the Ernst & Sohn «Beton-Kalender» has been supporting developments in reinforced and prestressed concrete. The aim was to publish a yearbook to reflect progress in «ferro-concrete» structures until – as the book's first editor, Fritz von Emperger (1862-1942), expressed it – the «tempestuous development» in this form of construction came to an end. However, the «Beton-Kalender» quickly became the chosen work of reference for civil and structural engineers, and apart from the years 1945-1950 has been published annually ever since.

    Concrete Structures for Wind Turbines

    Konrad Bergmeister

    The wind energy industry in Germany has an excellent global standing when it comes to the development and construction of wind turbines. Germany currently represents the world's largest market for wind energy. The ongoing development of ever more powerful wind turbines plus additional requirements for the design and construction of their offshore foundation structures exceeds the actual experiences gained so far in the various disciplines concerned. This book gives a comprehensive overview for planning and structural design analysis of reinforced concrete and pre-stressed concrete wind turbine towers for both, onshore and offshore wind turbines. Wind turbines represent structures subjected to highly dynamic loading patterns. Therefore, for the design of loadbearing structures, fatigue effects – and not just maximum loads – are extremely important, in particular in the connections and joints of concrete and hybrid structures. There multi-axial stress conditions occure which so far are not covered by the design codes. The specific actions, the nonlinear behaviour and modeling for the structural analysis are explained. Design and verification with a focus on fatigue are adressed. The chapter Manufacturing includes hybrid structures, segmental construction of pre-stressed concrete towers and offshore wind turbine foundations. Selected chapters from the German concrete yearbook are now being published in the new English «Beton-Kalender Series» for the benefit of an international audience. Since it was founded in 1906, the Ernst & Sohn «Beton-Kalender» has been supporting developments in reinforced and prestressed concrete. The aim was to publish a yearbook to reflect progress in «ferro-concrete» structures until – as the book's first editor, Fritz von Emperger (1862-1942), expressed it – the «tempestuous development» in this form of construction came to an end. However, the «Beton-Kalender» quickly became the chosen work of reference for civil and structural engineers, and apart from the years 1945-1950 has been published annually ever since.

    Beton-Kalender 2017. Schwerpunkte: Spannbeton, Spezialbetone

    Konrad Bergmeister

    Beton unterliegt einem Wandel der Anforderungen und entwickelt selbst Innovationskraft mit Auswirkungen auf Gestaltung bis hin zur Baustellenlogistik. Die Entwicklung von hochfesten, ultrahochfesten und selbstverdichtenden Betonen, die gestiegenen Qualitatsanforderungen und die zu erwartende Knappheit naturlicher Gesteinskornungen setzen neue Anforderungsma?stabe an Entwurfskonzepte. Die Anforderungen an die Dauerhaftigkeit von Beton zielen insbesondere auf eine gute Homogenitat und auf eine relativ hohe Dichte. Dieses Ziel kann nur im Zusammenwirken von Konstruktion, Statik, Herstellung, Transport, Forderung, Verarbeitung und Nachbehandlung erreicht werden. Die Anforderungen an die Wirtschaftlichkeit von Betontragwerken konnen durch Optimierung von Prozessen und Automatisierung in der Baulogistik erfullt werden – der Bauablauf im Jahr 2017 unterscheidet sich erheblich von Baustellen vor 50 oder gar 100 Jahren. Immer hohere erzielbare Festigkeiten ermoglichen schlankere Bauteile. Auch die Gestaltbarkeit von Tragwerken wird vielseitiger, diese erfordert aber gleichzeitig eine leichte Verarbeitbarkeit. Vor diesem Hintergrund enthalt der Beton-Kalender 2017 eine Reihe von Beitragen uber Betonherstellung, aktuelle Produkterweiterungen sowie verschiedene Anwendungen von Spezialbetonen und deren Qualitatssicherung sowie erstmalig uber die bautechnische Anwendung von tragenden Kunststoffbauteilen. Au?erdem wurde der aktuelle Wissensstand uber Spannbeton aufgearbeitet. In bewahrter Weise werden aktuelle europaische und nationale Normen in konsolidierten Kurzfassungen fortgefuhrt. Der Beton-Kalender 2017 ist eine besondere Fundgrube fur Ingenieure in Planungsburos und in der Bauindustrie.

    Beton-Kalender 2013. Lebensdauer und Instandsetzung-Behalter

    Konrad Bergmeister

    The durable and economic design of structures today includes not only the verification of structural stability but also of the serviceability for the planned lifetime including the consideration of time-dependent actions and material properties of a structure.

    Beton-Kalender 2009. Schwerpunkte: Konstruktiver Hochbau - Aktuelle Massivbaunormen

    Konrad Bergmeister

    The main themes of this issue are the structural design of building frames and the current state of standards for mass wall structures around DIN 1045. Also in this year's issue: – structural design in existing buildings, – concrete as a building material.

    Beton-Kalender 2012. Schwerpunkte - Infrastrukturbau, Befestigungstechnik, Eurocode 2

    Konrad Bergmeister

    Structures for infrastructure projects involving road and rail are being built locally, regionally and internationally – the Concrete Yearbook provides the necessary know-how for design and planning. Also: Fastenings, EC2 with NA and comments.

    Beton-Kalender 2011. Kraftwerke, Faserbeton

    Konrad Bergmeister

    Structures for power generation are being designed and built at local, regional and international scales – the title provides the necessary knowledge for planning and design. Also: fibre-reinforced concretes incl. the March 10 DAfStb guideline on steel fibre reinforced concrete.