Doctoral Finishing Fellowship Summer 2019 Recipient – Ruizhe Si

Ruizhe Si
Civil Engineering

I came to Michigan Tech in Fall 2015 after finishing my undergraduate degree in Civil Engineering at Changsha University of Science and Technology.

My research is focused on improving the performance of the geopolymers and analyzing the multiscale structure and chemical composition of materials. Geopolymer is a type of binder material similar to cement paste. The production of the geopolymer can potentially reduce up to 80% of CO2 emission compared with that of ordinary Portland cement. However, large drying shrinkage of the geopolymer limited its application in construction industry. My research will help to understand the shrinkage mechanisms of geopolymer and provide the methods to reduce the shrinkage of the geopolymer. All these will facilitate the large application of geopolymer and also improve the service life of this eco-friendly construction material.

I am very grateful to the Graduate School for providing me the Finishing Fellowship, which helps me focus on finishing my dissertation during the summer semester. I also want to express my gratitude to my advisor Dr. Qingli Dai, who mentored me in my research and provided me many opportunities to collaborate with research groups from different universities to improve my research quality.

 


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