A Study on the Measurement Method of Biot Coefficient for Concrete Based on Experimental Approaches
Yintao Hu, Nan Ru, Qiujing Zhou, Heng Cheng, Guoxin Zhang, Eddie Koenders · 2024
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Description
Yintao Hu and co-authors build a way to measure a concrete constant that dam engineers need but cannot easily get. Their 2024 study deals with the Biot coefficient, which links pore water pressure to concrete stress. In dam heels, water can seep into voids and change stiffness and stress in ways standard math misses. Field readings after filling a reservoir have puzzled engineers: heel stress runs higher than predicted and shifts less than expected.
The team designed rigs that mimic water depth pressure on samples. Dry and wet concrete were tested under varied pressure. A mixed average formula turned the readings into modulus values. The paper proposes the test method and the equipment together. Both aim to give dam safety checks a firmer footing. True stress in the heel and toe zones is the end target.
Catalog record
| CREATOR | Yintao Hu, Nan Ru, Qiujing Zhou, Heng Cheng, Guoxin Zhang, Eddie Koenders |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 33 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |