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A platform for research: civil engineering, architecture and urbanism
The investigation of early hydration and pore structure for limestone powder wastes blended cement pastes
https://orcid.org/0000-0001-6635-9444
Highlights Hydration stages of high LPW content blended cement pastes are characterized. Dynamic balance stage is distinct for high LPW content blended cement paste. Pore structure evolution of high LPW content blended cement paste is predicted. LPW possesses coarsening effect on pore structure of blended cement paste.
Abstract This work systematically investigates the early hydration process and pore structure evolution of high limestone powder wastes content blended cement pastes by non-contact impedance measurement and microstructural tests. According to the evolution of impedance response, the early hydration process of blende cement pastes can be divided into four stages, denominated as dissolution, acceleration, dynamic balance and hardened stages, respectively. Dynamic balance stage not present in hydration process of pure cement, is a characteristic hydration stage for blended cement pastes. Furthermore, fractal approach for predicting the evolution of pore structure is proposed originally, based on the impedance results.
The investigation of early hydration and pore structure for limestone powder wastes blended cement pastes
https://orcid.org/0000-0001-6635-9444
Highlights Hydration stages of high LPW content blended cement pastes are characterized. Dynamic balance stage is distinct for high LPW content blended cement paste. Pore structure evolution of high LPW content blended cement paste is predicted. LPW possesses coarsening effect on pore structure of blended cement paste.
Abstract This work systematically investigates the early hydration process and pore structure evolution of high limestone powder wastes content blended cement pastes by non-contact impedance measurement and microstructural tests. According to the evolution of impedance response, the early hydration process of blende cement pastes can be divided into four stages, denominated as dissolution, acceleration, dynamic balance and hardened stages, respectively. Dynamic balance stage not present in hydration process of pure cement, is a characteristic hydration stage for blended cement pastes. Furthermore, fractal approach for predicting the evolution of pore structure is proposed originally, based on the impedance results.
The investigation of early hydration and pore structure for limestone powder wastes blended cement pastes
https://orcid.org/0000-0001-6635-9444
Highlights Hydration stages of high LPW content blended cement pastes are characterized. Dynamic balance stage is distinct for high LPW content blended cement paste. Pore structure evolution of high LPW content blended cement paste is predicted. LPW possesses coarsening effect on pore structure of blended cement paste.
Abstract This work systematically investigates the early hydration process and pore structure evolution of high limestone powder wastes content blended cement pastes by non-contact impedance measurement and microstructural tests. According to the evolution of impedance response, the early hydration process of blende cement pastes can be divided into four stages, denominated as dissolution, acceleration, dynamic balance and hardened stages, respectively. Dynamic balance stage not present in hydration process of pure cement, is a characteristic hydration stage for blended cement pastes. Furthermore, fractal approach for predicting the evolution of pore structure is proposed originally, based on the impedance results.
The investigation of early hydration and pore structure for limestone powder wastes blended cement pastes
He, Zhen (author) / Cai, Rongjin (author) / Chen, E. (author) / Tang, Shengwen (author)
2019-09-07
Article (Journal)
Electronic Resource
English
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