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Characterizing tribological behavior of fresh concrete against formwork surfaces

Article dans une revue avec comité de lecture
Auteur
SPITZ, N.
211915 Mechanics surfaces and materials processing [MSMP]
CONIGLIO, N.
211915 Mechanics surfaces and materials processing [MSMP]
LIBESSART, L.
249848 Laboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]
EL MANSORI, M.
211915 Mechanics surfaces and materials processing [MSMP]
301080 Texas A&M University [College Station]
DJELAL, C.
249848 Laboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]

URI
http://hdl.handle.net/10985/20876
Date
2021
Journal
Construction and Building Materials

Résumé

The friction of concrete on the interior skin of formworks takes place during the pouring of concrete into the molds. The present work investigates the friction of a granular material (i.e. fresh concrete) against metallic and polymeric surfaces. Interfacial behavior between different formulated concretes and formwork skins is characterized using a plane-plane tribometer dedicated to concrete tribometer. The formwork surface is measured before and after testing to quantify the wear issue. A Coulomb friction law is observed within the range of tested normal pressures. Tribological tests reveal that friction mechanisms depend on the interface properties. Two underlying mechanisms are hypothesized to explain the wearing of the formwork skin: a granulate-formwork solid-solid friction and a capillary-dominated friction.

Fichier(s) constituant cette publication

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M2P_Construction and Building ...
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1.877Mo
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M2P_Construction and Building ...
Fin d'embargo:
2022-03-01
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  • Laboratoire Mechanics, Surfaces and Materials Processing (MSMP)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Designing metallic surfaces in contact with hardening fresh concrete: A review 
    Article dans une revue avec comité de lecture
    CONIGLIO, Nicolas; SPITZ, N.; EL MANSORI, M. (Elsevier, 2020)
    Concrete, a commonly used material in the construction industry, interacts with metallic surfaces such as formwork during pouring and reinforced bar during lifespan. Formworks are designed to minimize hardened concrete ...
  • Quantitative and representative adherence assessment of coated and uncoated concrete-formwork 
    Article dans une revue avec comité de lecture
    SPITZ, N.; CONIGLIO, Nicolas; EL MANSORI, Mohamed; MONTAGNE, Alex; MEZGHANI, Sabeur (Elsevier, 2018)
    Nowadays buildings construction is performed by pouring concrete into molds called formworks that are usually prefabricated metallic modules. Defects such as stripping may possibly form during the removal of the formwork ...
  • On functional signatures of bare and coated formwork skin surfaces 
    Article dans une revue avec comité de lecture
    SPITZ, N.; CONIGLIO, Nicolas; EL MANSORI, Mohamed; MONTAGNE, Alex; MEZGHANI, Sabeur (Elsevier, 2018)
    The sticking of the concrete on metallic formworks during building construction generates many concrete wall defects. Several solutions have been proposed, among which surface lubrication and polymeric coatings are commonly ...
  • Intrinsic heat treatment induced graded surficial microstructure and tribological properties of selective laser melted titanium 
    Article dans une revue avec comité de lecture
    KANG, Nan; CONIGLIO, Nicolas; CAO, Yang; ZHAO, Chunling; EL MANSORI, Mohamed; ZHAO, Yu; LIN, Chin; CODDET, Christian (American Society of Mechanical Engineers, 2021)
    In the course of the selective laser melting (SLM) process, the part is built layer by layer involving partial re-melting/heating of the previous layer, called as intrinsic heat treatment. Therefore, superficial properties ...
  • Effect of nano-penning surface texturing on self-cleaning function 
    Article dans une revue avec comité de lecture
    CONIGLIO, Nicolas; MEZGHANI, Sabeur; EL MANSORI, Mohamed; CABRERO, J. (Elsevier, 2018)
    Surface texturation at micro- and meso-scales plays an important role in applications where cosmetic, aesthetic and self-cleaning functionalities are specified. This research paper deals with a multiscale surface, in which ...

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