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Gianluca Ranzi

Yu-Win Wang

Massimiliano Bocciarelli

Sumei Zhang

Riccardo Zandonini

Alejandro Pérez Caldentey

John van Rooyen

Gianluca Cusatis

Liugino Dezi

Graziano Leoni

A. Abdullah Dönmez

Marion Rauch

Roberto T. Leon

Giovanni Di Luzi

Yue Geng

John Hewitt

Raymond Ian Gilbert

Javier Jordán

Steel-concrete composite structures are widely used throughout the world for buildings and bridges. A distinguishing feature of this form of construction is the combination of concrete and steel components to achieve enhanced structural performance.

The time-dependent response of concrete and its influence on the service behaviour and design of composite structures are the main focus of this SED. For the first time, a publication combines a state-of-the-art review of the research with the available design specifications of Europe, Australia and New Zealand, and USA. This publication intends to enhance the awareness of the service response of composite structures and of the latest research and standards’ developments. It is aimed at designers and researchers alike.

The review of research available in open literature is provided and arranged according to structural typologies, i. e. slabs, beams, and columns. It serves as background information for current service design rules and provides insight into the most recent research advancements. The review of available design guidelines presents the similarities and differences of the recommended service design procedures influenced by concrete time effects. Selected case studies of building and bridge projects show possible design approaches and the rationale required when dealing with the time-dependent response and design of composite structures. The authors of this publication are design engineers and academics involved in the service design and research on the time-dependent response of composite structures.

International Association for Bridge and Structural Engineering

Structural Engineering Documents

Time-dependent Behaviour and Design of Composite Steel-concrete Structures

Toru Takeuchi

Eftychia Apostolidi

Stephanos Dritsos

Christos Giarlelis

José Jara

Fatih Sutcu

Joe White

The seismic resilience of new and existing structures is a key priority for the protection of human lives and the reduction of economic losses in earthquake prone areas. The modern seismic codes have focused on the upgrade of the structural performance of the new and existing structures. However, in many cases it is preferrable to mitigate the effects of the earthquakes by reducing the induced loads in the structures using seismic isolation and response control devices. The limited expertise in the selection and design of the appropriate system for new and existing structures is the main challenge for an extensive use of seismic isolation and response control systems in practice.

This document aims to provide a practical guide by presenting a collection of the most commonly used seismic isolation and response control systems and a critical evaluation of the main characteristics of these systems. Comparisons of the key parameters of the design processes for new buildings with seismic isolation are presented, while the application of seismic isolation systems and response control systems for the retrofitting of existing structures is also examined, followed by various case studies from Greece, Japan, Mexico, New Zealand, and Turkey.

Seismic Isolation and Response Control

Sustainability in construction is a priority for both academia and industry to reduce the carbon footprint of the built environment and thus combat climate change. Numerous approaches have been developed on how to tackle this issue, wherein the implementation of eco-efﬁcient concrete is currently considered one of the most effective measures to be applied at the beginning of a building’s life cycle. This edition of the Structural Engineering Document discusses key issues in selecting and incorporating eco-efﬁcient waste materials capable of enhancing the sustainability of structural concrete in construction projects. The cost-efﬁciency of using recycled aggregates in structural concrete is shown by several world-renowned researchers. Critical evaluations and case studies further highlight the properties and performance of these materials and in various structural applications. Also, novel low-impact binding systems using industrial by-products showcase the importance of continuous research for technically viable alternatives capable of decreasing the huge dependency on ordinary Portland cement. The purpose of this document is to contribute to a broader understanding of the many possibilities for the development of a more sustainable structural concrete, thereby fostering resilient and sustainable construction practices to support the global commitment to environmental responsibility.

Sustainability in Structural Concrete Design

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Structural Engineering Documents - serían

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