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Civil and Environmental Engineering

Civil Engineering Graduate Theses & Dissertations

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Effect Of Hydration And Confinement On Micro-Structure Of Calcium-Silicate-Hydrate Gels, Harish Kumar Gadde Jan 2017

Effect Of Hydration And Confinement On Micro-Structure Of Calcium-Silicate-Hydrate Gels, Harish Kumar Gadde

Civil Engineering Graduate Theses & Dissertations

Calcium-silicate-hydrate(C-S-H) gel is a primary nano-crystalline phase present in hydrated Ordinary Portland Cement (OPC) responsible for its strength and creep behavior. Our reliance on cement for infrastructure is global, and there is a need to improve infrastructure life-times. A way forward is to engineer the cement with more durability and long-term strength. The main purpose of this research is to quantify the micro-structure of C-S-H to see if cement can be engineered at various length scales to improve long-term behavior by spatial arrangement. We investigate the micro-structure evolution of C-S-H in cement as a function of hydration time and ...


Effect Of Hydration And Confinement On Micro-Structure Of Calcium-Silicate-Hydrate Gels, Harish Kumar Gadde Jan 2017

Effect Of Hydration And Confinement On Micro-Structure Of Calcium-Silicate-Hydrate Gels, Harish Kumar Gadde

Civil Engineering Graduate Theses & Dissertations

Calcium-silicate-hydrate(C-S-H) gel is a primary nano-crystalline phase present in hydrated Ordinary Portland Cement (OPC) responsible for its strength and creep behavior. Our reliance on cement for infrastructure is global, and there is a need to improve infrastructure life-times. A way forward is to engineer the cement with more durability and long-term strength. The main purpose of this research is to quantify the micro-structure of C-S-H to see if cement can be engineered at various length scales to improve long-term behavior by spatial arrangement. We investigate the micro-structure evolution of C-S-H in cement as a function of hydration time and ...