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Recommendations on the mix design of concrete foundations for diaphragm walls: Application to the "Grand Paris" building site
Author(s): Azzi Mohamed Amin, Djelal Chafika, Vanhove Yannick, Madec Olivier, Gotteland Philippe
Paper category: Proceedings
Book title: International RILEM Workshop on Rheological Measurements of Cement-based Materials IRWRMC’18
Editor(s): Chafika DJELAL, Yannick VANHOVE
Print-ISBN: 978-2-35158-230-5
e-ISBN: 978-2-35158-231-2
Publisher: RILEM Publications SARL
Publication year: 2019
Pages: 87 - 92
Total Pages: 6
Language: English
Abstract: Diaphragm walls are reinforced concrete foundation elements used as a definitive support for executing many types of structures. The observations recorded after earthworks and wall planning demonstrate that diaphragm walls exhibit defects due to the release of bleed water. The influence and interactions between each of these parameters remain relatively unknown for a diaphragm wall, whose rate of concrete bleeding rises by virtue of the high wall being poured. A study was conducted to determine the influence of the parameters affecting concrete bleeding. Four distinct concrete mix designs stemming from project sites have been characterized in the laboratory. A series of recommendations are issued for the purpose of limiting the allowable threshold established, in addition to correcting problems associated with the release of bleed water.
Online publication : 2019
Publication type : full_text
Public price (Euros) : 0.00
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