Effect of a Simulated Coal Mine Environment on Polyurethane Grouting Material and a Proposed Polyurethane Strengthening Method
Kai Hou, Shuai Wang, Xin Yao, Shun Yao, Xinxing Zhou, Jianchao Ma, Pengfei Wang, Guorui Feng, José Miguel Martín Martínez · 2023
Read Effect of a Simulated Coal Mine Environment on Polyurethane Grouting Material and a Proposed Polyurethane Strengthening Method by Kai Hou, Shuai Wang, Xin Yao, Shun Yao, Xinxing Zhou, Jianchao Ma, Pengfei Wang, Guorui Feng, José Miguel Martín Martínez (2023) 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-10674693.txt.
Description
Kai Hou and co-authors test how a coal mine setting affects a grouting material in a 2023 study. Polyurethane grout seals and strengthens rock in mines, but mine air, dust, and water can weaken it. The team mimicked mine conditions in the lab and also tried a new strengthening trick that uses ultrasound.
Compression tests and microscope images tracked how the grout hardened with coal waste rock. Ultrasound raised the final strength, and images showed a tighter honeycomb structure inside the foam. Particle size of the waste rock, dust levels, and water levels all shifted the strength a lot. The authors note that dust and water in mines need to stay within a set range for the grout to work well.
Catalog record
| CREATOR | Kai Hou, Shuai Wang, Xin Yao, Shun Yao, Xinxing Zhou, Jianchao Ma, Pengfei Wang, Guorui Feng, José Miguel Martín Martínez |
|---|---|
| YEAR | 2023 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 34 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |