The superstructure of the building

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• December 10, 2025

  REX101

  Decarbonizing the cement-concrete industry by manufacturing low-carbon concrete

  In 2024, France's territorial emissions were 376 Mt CO2eq, , including 57 Mt CO2eq from the building sector. These emissions are directly due to the production of building materials and the operation of buildings (heating, air conditioning, etc.).The article does not go into detail about the many ways in which emissions from this sector can be reduced, but focuses on the decarbonisation of the cement-concrete industry, and more specifically on feedback from the deployment of low-clinker concrete by the company 3 Béton, a concrete formulated using recycled raw materials in a short circuit, all without changing building methods or the economics of construction.Note that extraterritorial emissions are not taken into account in this feedback.

• December 10, 2025

  C2279

  Behavior of young concrete

• November 10, 2025

  C2278

  Behavior of young concrete

  This paper explores technological advancements in concrete temperature monitoring, highlighting thermal control methods and their impact on structural durability. It examines the various stages of cement hydration, challenges posed by extreme temperatures, and innovative solutions such as wireless sensors.Emphasis is placed on the importance of real-time monitoring to prevent cracking and optimize concrete quality, in compliance with current standards.

• February 19, 2024

  C6001 Review

  The contribution of non-linear constitutive laws to civil engineering

  Civil engineering has witnessed many significant advances for last decades. The technical achievements made by the engineers show year after year new design solutions to build performant and esthetic structures. The design process is based upon the assumption of the linearity of the material behaviors. As a consequence, an important conservatism is present but its quantification is rather unknown.The aim of this paper is to give an overview of the main challenges and contributions from the use of nonlinear constitutive laws.

• November 10, 2023

  C2574

  Steel industrial buildings

  Industrial structures are made of different components whose role is to ensure the resistance and the stability of these buildings under the effect of the acting actions which are, mainly, dead loads and climatic actions.The objective of the paper is to explain how these actions are transmitted from the envelope to the foundations through the various constitutive elements which are, in particular, the roofing and the cladding, then the purlins, the cladding rails, the portal frames and the different bracing systems.In order to be able to solve specific design requirements, alternative solutions are proposed, their respective advantages and disadvantages being examined.

• November 10, 2023

  C2575

  Steel industrial buildings

  Industrial structures are made of different components whose role is to ensure the resistance and the stability of these buildings under the effect of the acting actions which are, mainly, dead loads and climatic actions.The objective of the paper is to explain how these actions are transmitted from the envelope to the foundations through the various constitutive elements which are, in particular, the roofing and the cladding, then the purlins, the cladding rails, the portal frames and the different bracing systems.In order to be able to solve specific design requirements, alternative solutions are proposed, their respective advantages and disadvantages being examined.

• September 10, 2023

  C2261

  Precast concrete products – For civil engineering and public works

  Civil engineering and public works represent a significant part of the use of precast concrete products, with very diverse products and many applications.These products cover all needs in terms of the environment and public spaces, with sewerage pipes and auxiliary sewerage works, hydraulic works, purification, curbs and gutters, environmental products and flooring, concrete fences, civil engineering works, railway elements, elements for telecommunications, electrical networks.The article is divided into several parts: a first part on sanitation and purification, a second part on the public highways and urban planning, a third on engineering structures and finally a last part on retaining walls and sound barriers.

• September 4, 2023

  C2513 Review

  Hull instability

  Safely calculating the buckling resistance of steel shell structures requires the designer to understand several complex phenomena. The behavior of the shell before, during and after buckling depends largely on the geometry, the sensitivity to geometric and structural imperfections, loading mode and boundary conditions. The study of the stability of shells is thus a particularly challenging aspect of structural mechanics. Shells differ totally from other structural shapes in that the structure buckling resistance observed in experiments is often far below the buckling load calculated by a simple stability theory (linear eigenvalue analysis). The cause of this significant disparity and how this divergence is treated in calculations is explained.

• February 10, 2023

  C2260

  Precast concrete products

  Precast concrete products come in a very wide range with many and varied applications. Building (walls and floors) and civil engineering (sanitation, public works, road and urban development) represent a significant proportion of these applications. However, there are still many precast concrete products for specific uses such as frames (columns and beams), flues, tiles or stairs.This article presents these products in detail, through their performances and their implementation

• February 10, 2023

  C2264

  Reinforcement of concrete structures

  The European standard for the design of reinforced or prestressed concrete structures, the so-called Eurocode 2, contains rules for the design of concrete joints. However, for the design of reinforced interfaces with shear connectors, EOTA TR 066 is the appropriate design approach.This article presents a comprehensive analysis about the topic of concrete overlays. It examines the current dimensioning regulation and deals with the individual load bearing components that describe the resistance at the interface of concrete overlay. Information is given about the preparation of the interface surface and installation of the post-installed connectors on the basis of EOTA TR 066. Finally, tools are provided showing how such structural connections may be modelized and designed as a whole.

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