Year: 2026
Type: article
Abstract: Based on a field test of fluidized solidified soil filling in a tunnel excavation project, the construction process and filling effect were evaluated and analyzed. The test results show that the existing slurry preparation and mixing systems can achieve a satisfactory mixing effect, producing fluidized solidified soil with good homogeneity. The fluidized solidified soil can achieve a compact filling density. Within the tested parameter range, the strength of the fluidized solidified soil varied from 0.06 to 0.717 MPa, with a maximum dry shrinkage strain of approximately 0.41%. Under a 10% cement dosage, the empirical strength value at 24 hours reached about 0.3 MPa. This strength range can meet the requirements of various application scenarios in backfill engineering.
Authors: Yang Luan, Fangzhou Chu, Hao Liu, Zheng Huang
Institution: State Grid Jiangsu Electric Power (China)
Language: English
Subfield: Civil and Structural Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7124940575
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