Impact of Physico-chemical Properties of Raw

vor 1 Woche

Lausanne, Waadt, Schweiz École polytechnique fédérale de Lausanne Vollzeit

Impact of physico-chemical properties of raw materials on mechanical performance in relation to the durability of low carbon concrete:

  • Réf
-
ABG-110691

  • Sujet de Thèse 01/02/2023
  • Autre financement privé École polytechnique fédérale de Lausanne
  • Lieu de travail
  • Lausanne
  • Suisse
Intitulé du sujet Impact of physicochemical properties of raw materials on mechanical performance in relation to the durability of low carbon concrete Champs scientifiques Matériaux Chimie Génie civil, BTP

 Mots clés
  • Limestone calcined clay cements, durability, low carbon concrete,
    Description du sujet:

CONTEXT

  • Nowadays, Ordinary Portland Cement (OPC) production is responsible for 10% of manmade CO2 footprint and this value is expected to keep increasing if solutions are not quickly adopted.
  • One of the most effective strategies to reduce the environmental impact of concrete is to replace OPC with Supplementary Cementitious Materials (SCMs). Among the several types of binders developed in the last decades, Limestone Calcined Clay Cements (LC3) are some of the most promising in terms of sustainability, performance and overall, expected worldwide availability.
    THESIS WORK DESCRIPTION
  • New sources will be employed for optimising the synergy between the various compounds in the development of powerful innovative binding matrices. This work will implement a multiscale and multitechnique approach for studying in detail the characteristics of the cementitious phases in the presence of these SCMs, assessing their reactivity but also making the link with their microstructural properties, their mechanical behaviour, as well as the study of concrete durability. The final objective is to predict a minimum service life to control the corrosion risk of each formulation, coupling laboratory experiments with scaledup insitu tests. The scientific data and knowledge developed during this thesis work will ultimately be used to support the modification of the current regulation.

Nature du financement:

  • Autre financement privé
    Précisions sur le financement:

Présentation établissement et labo d'accueil:

- École polytechnique fédérale de Lausanne
  • Within the framework of the collaboration between EPFL, one of the most prestigious science and technology institutions in Europe, and Vinci Construction, a global leader in construction with over 1,300 companies and 115,000 employees, this PhD work aims to reduce the carbon emission related to construction industry with a significant impact on the world's environment

Site web:

Intitulé du doctorat:

  • Materials Science and Engineering
    Pays d'obtention du doctorat:


Suisse
  • Fluency in English, both written and spoken, is essential to broaden the scope of the work through international publications.

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