Durability of concrete structures and precast products subjected to corrosion
12/31/2019
réf. 492.E
By Lucie Schmitt
Mastering the durability of new structures and the need to extand the lifespan of existing constructions correspond to social issues of the highest or…
Keywords: Carbonation, concrete structures, corrosion, Durability, Reinforcement, SDReaM-crete
Eco-friendly concrete for precast products : acceleration of the hardening of ternary binders
08/12/2019
réf. 471.E
By Marjorie Petitpain
This study is part of the action program of the French Concrete Industry; it aims finding innovative solutions of concrete with low CO2 emissions impa…
Keywords: accélération, eco-friendly concrete, Hardening, ternary binders
Biobased components in concretes
07/18/2019
réf. 429.E
By Carine Lachaud, Suzanne Le Thierry
Biobased materials are materials derived from biomass of plant or animal origin.
This report offers an overview of biobased materials used today in t…
Keywords: biobased materials, biomass, hemp concrete, wodd fibers concrete
Quality of realisation of the joints between floor plates
07/18/2019
réf. 456.E
By François Jacquemot
A concrete floor plate system is composed of a juxtaposition of floor plates. Between the floor plates lies a small play that is filled with a joint. …
Keywords: cracking resistance, floor plate system, joint, strain
Minimum insulation concrete upper flange thickness values of beam-and-block floor systems under 60 minutes in standard fire exposure
05/29/2019
réf. 433.E
By Armand Leroux, Caroline Morin, Matthieu Scalliet
This document deals with insulation criterion I for beam-and-block floor systems (with non-resisting blocks or semi-resisting blocks) including a dist…
Keywords: beam-and-block floor systems, compression slab, fire exposure, flange thickness
Thermal bridges of light weight inside partitions through low floors – Complement to TH-U 5/5 rules
05/17/2019
réf. 478.E
By Bernard Barthou
This study, carried out jointly by CERIB and AFIPEB, determine the linear thermal losses of light weight inside partitions through slab-on-ground floo…
Keywords: lightweight partition, TH-U 5/5, Thermal bridge, thermal loss
03/13/2019
réf. 454.E
By Armand Leroux, Matthieu Scalliet
French standard NF EN 1992-1-1 clearly defines the rules for dimensioning slabs with regard to punching. It also allows to verify shear at the interfa…
Keywords: BNTRA EC2, floor slab, precast slab, punching
Improvement of the performance of precast concrete in hughly aggressive environment
01/09/2019
réf. 382.E
By François Jacquemot, Jonathan Mai-Nhu, Mohamad Hajj Chehade, Pauline Barthélémy
Improvement of the performance of precast concrete in hughly aggressive environment
Preventing the consequences of the presence of hydrogen sulph…
Keywords: environnement agressif, produits en béton
Reduction factor attributed to concrete compressive strength ƒcd
11/30/2018
réf. 443.E
By Matthieu Scalliet, Natalia Khoder
Reduction factor attributed to concrete compressive strength ƒcd
The current version of Eurocode 2 NF EN 1992-1-1 and its National Annex are curren…
Keywords: beam under flexion, compressive strength, dimensionning, Eurocode 2, prestressed element, Rüsch effect
Modifications to the additional rules applied for precast concrete elements
11/30/2018
réf. 444.E
By Matthieu Scalliet, Natalia Khoder
Modifications to the additional rules applied for precast concrete elements : Chapter 10 (EN 1992-1-1 :2004) and Chapter 13 (CEN/TC 250/SC 2 N 1358)
…
Keywords: changing transfer/anchor length formula, concrete tensile strength, Eurocode 2, hollow slab, prefabricated element