Publications related to Council on Tall Buildings and Urban Habitat

A Simple, Closed-Form Method for Determining the Superelevation of Tall Reinforced Concrete Buildings

David Michael Volpe Ruggiero, Paola Costanza Miglietta

The vertical shortening of tall buildings is not negligible, and it is important to account for these deformations to minimize differential movement and ensure that the finished building is level. Compensation via superelevation is common in reinforced con ...

Springer2023

Analysis of barrette foundations subjected to mechanical and thermal loads

Lyesse Laloui, Alessandro Francesco Rotta Loria

In recent years, there has been increasing interest in the use of rectangular barrette foundations for the structural support and energy supply of tall buildings when circular piles become inefficient or uneconomical. In such applications, so-called energy ...

2022

Can timber lower the environmental impact of tall buildings?

Corentin Jean Dominique Fivet, Catherine Elvire L. De Wolf

The building sector is responsible for 30% of anthropogenic greenhouse gas (GHG) emissions (UNEP, 2009). Recent energy efficiency measures have helped reduce the operational carbon related to the use phase of the building, but a lack of industry attention ...

Taylor & Francis Group2019

An Optimized Bracing System for Distributed Lateral Loads

Corentin Jean Dominique Fivet, Benjamin Jacot

One of the most crucial components of a tall building is its lateral loading system. In this paper, we provide the development of a lateral bracing system that results in bracing material savings of up to 50% relative to a traditional X-Bracing system, as ...

Global Science & Technology Forum2017

Advanced methods for the evaluation of lightning incidence over large areas, wind turbine parks and tall towers

Aleksandr Smorgonskii

Lightning presents a significant danger to electrical and electronic equipment, buildings and monuments, people and animals. Although our knowledge about lightning has significantly improved over last century, the development of new composite materials and ...

EPFL2016

An analysis of the initiation of upward flashes from tall towers with particular reference to Gaisberg and Säntis Towers

Farhad Rachidi-Haeri, Marcos Rubinstein, Aleksandr Smorgonskii, Alaleh Tajalli

In this paper, we present an analysis of the lightning events preceding initiation of upward lightning flashes from the Gaisberg and the Santis Towers. It is found that the majority of upward lightning discharges from both towers are initiated without any ...

Pergamon-Elsevier Science Ltd2015

Computational Methods for Fabrication-aware Modeling, Rationalization and Assembly of Architectural Structures

Mario Moacir Deuss

Architectural structures such as buildings, towers, bridges and roofs are of fundamental importance in urban environments. Their design, planing, construction and maintenance carry numerous challenges in engineering due to the complex interplay of material ...

EPFL2015

On the proportion of upward flashes to lightning research towers

Farhad Rachidi-Haeri, Marcos Rubinstein, Aleksandr Smorgonskii, Wolfgang Schulz

We compare in this paper direct measurements obtained on the towers on San Salvatore Mountain (Switzerland) and on the Gaisberg Mountain (Austria). They are situated in similar topographical environments but in different lightning activity zones. Direct me ...

Elsevier2013

Electromagnetic Environment in the Vicinity of a Tall Tower Struck by Lightning—A Review—

Farhad Rachidi-Haeri

In this paper, an overview of recent theoretical investigations and experimental characterization of the electromagnetic fields in the vicinity of a tower struck by lightning is presented. The presence of an elevated strike object has been included in two ...

2012

Applications of Stress Fields to Assess the Behavior and Strength of Coupling Beams subjected to Seismic Actions

Aurelio Muttoni, Miguel Fernández Ruiz

Horizontal loading due to earthquake or wind is usually the governing action for design of reinforced concrete cores in medium to tall buildings. Building cores designed to resist these actions must be dimensioned to resist tributary vertical loads and lar ...

3rd fib International Congress2010

Developments in the study of lightning electromagnetic effects with applications to the protection of distribution power lines

Michel Ianoz

In the last twenty years, the widespread use of sensitive electronic devices has increased the interest on transients, in particular those caused by lightning (direct and/or indirect). The paper presents first shortly the developments in modeling the elect ...

2006

Sick Building Syndrome and Building Characteristics

Claude-Alain Roulet, Niklaus Johner

Within the European research project HOPE, 64 office buildings were audited regarding in-door environment quality and building characteristics. Of those buildings, two groups are se-lected: 21 buildings with low prevalence of the sick building syndrome, an ...

2005

Far-field-current relationship based on the TL model for lightning return strokes to elevated strike objects

Mario Paolone, Farhad Rachidi-Haeri, Marcos Rubinstein, Davide Pavanello, José-Luis Bermudez

New general expressions relating lightning return stroke currents and far radiated electric and magnetic fields are proposed, taking into account the effect of an elevated strike object, whose presence is included as an extension to the transmission line ( ...

2005

Lightning strikes to elevated structures: influence grounding conditions on currents and electromagnetic fields

Farhad Rachidi-Haeri, Marcos Rubinstein, Davide Pavanello, Emanuel Petrache

This paper presents an analysis of lightning return strokes to tall structures. The interaction of lightning with a tall structure is modeled using the antenna theory. The finite ground conductivity as well as the buried grounding system of the tall struct ...

2005