In situ characterisation of the depth and mass of water intrusion in unsaturated cement pastes via X-ray computed tomography
Source abstract
Abstract
X-ray computed tomography was applied to continuously track the migration process of water in unsaturated cement pastes in situ. It was found that the process of water uptake starts with early rapid growth and a subsequent slowly increasing period, followed by a relatively stable stage. The rate of water penetration was accelerated with a decrease in slag incorporation. An analytical equation was developed to establish the relationship between the depth and the mass coefficient of capillary suction and the obtained predicted values were found to be in excellent agreement with the experimental values observed via the gravimetric method.
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Research context
OpenAlex topics: Concrete and Cement Materials Research · Drilling and Well Engineering · Concrete Properties and Behavior
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Geomechanics & Deep Underground Engineering, China University of Mining and Technology, Xuzhou, China
Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering, China University of Mining and Technology, Xuzhou, China
JiangSu Collaborative Innovation Center for Building Energy Saving and Construct Technology, Xuzhou, China (corresponding author: )
Jiangsu Key Laboratory for Construction Materials, Southeast University, Nanjing, China
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