Rheological performance and strength on two component backfilling grout in shield TBM
Tae-Young Kim, Geun U. Ryu, Hee-Hwan Ryu, Jun-Hyuk Jang, Tae-Hyuk Kwon, Jun-Beom An, Song-Hun Chong · 2025
Read Rheological performance and strength on two component backfilling grout in shield TBM by Tae-Young Kim, Geun U. Ryu, Hee-Hwan Ryu, Jun-Hyuk Jang, Tae-Hyuk Kwon, Jun-Beom An, Song-Hun Chong (2025) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-12804930.txt.
Description
Tae-Young Kim and co-authors present a 2025 study on grout used to fill gaps in tunnel building. When a shield machine bores a tunnel, a gap forms behind the lining that must be filled fast. Two-part grouts set fast and gain strength, and slag can replace part of the cement. The team tested how cement type and hardener dose change flow and strength.
A plasticized cement bled less and flowed faster in the first part than standard cement. After mixing, it set slower but held shape for less time and gained more long-term strength. More hardener stretched set time but cut flow and raised strength. Tiny structure checks tied those gains to gel growth in the grout. Pore patterns shifted with dose.
Catalog record
| CREATOR | Tae-Young Kim, Geun U. Ryu, Hee-Hwan Ryu, Jun-Hyuk Jang, Tae-Hyuk Kwon, Jun-Beom An, Song-Hun Chong |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 58 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |