Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Sustainable two-component annular grout composition and method for use with a tunnel-boring machine
A method and composition are provided for backfilling the annular gap created as a tunnel boring machine advances through the ground. The fill material is comprised of two components that are combined and mixed together just prior to entering the annular gap. The first component is non-cement slurry consisting of a fluidized bed combustion ash such as coal ash. The second component consists of an alkali silicate such as sodium silicate. Additionally, ordinary Portland cement and/or metakaolin can be added to the grout composition.
Sustainable two-component annular grout composition and method for use with a tunnel-boring machine
A method and composition are provided for backfilling the annular gap created as a tunnel boring machine advances through the ground. The fill material is comprised of two components that are combined and mixed together just prior to entering the annular gap. The first component is non-cement slurry consisting of a fluidized bed combustion ash such as coal ash. The second component consists of an alkali silicate such as sodium silicate. Additionally, ordinary Portland cement and/or metakaolin can be added to the grout composition.
Sustainable two-component annular grout composition and method for use with a tunnel-boring machine
MCDONALD MICHAEL (Autor:in) / SHORT KELLY PAUL (Autor:in) / BERG KENNETH A (Autor:in) / RIBEIRO FLAVIO ERNESTO (Autor:in) / MORAN JIM (Autor:in) / MARINESCU PETER (Autor:in) / GUO DAOPING (Autor:in)
13.06.2023
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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