A5101608438- Concrete and Cement Materials Research
- Magnesium Oxide Properties and Applications
- Innovative concrete reinforcement materials
- Recycling and utilization of industrial and municipal waste in materials production
- Concrete Corrosion and Durability
- High Entropy Alloys Studies
- High-Temperature Coating Behaviors
- Nuclear materials and radiation effects
- Innovations in Concrete and Construction Materials
- Analytical Chemistry and Sensors
- Urban Stormwater Management Solutions
- Grouting, Rheology, and Soil Mechanics
- Concrete Properties and Behavior
- Building materials and conservation
- Advanced ceramic materials synthesis
- Microbial Applications in Construction Materials
- Graphite, nuclear technology, radiation studies
- Advanced materials and composites
- Layered Double Hydroxides Synthesis and Applications
- Mesoporous Materials and Catalysis
- Thermal Expansion and Ionic Conductivity
Hubei Urban Construction Vocational and Technological College
2015-2025
Guangxi University
2025
Wuhan University of Technology
2013-2015
The expansion, cracking and deterioration of properties during utilisation solidification municipal solid waste incineration bottom ash are key problems that caused by the reaction metallic aluminium in highly alkaline environment hardened Portland cement. In this study, polyaluminium sulphate (PAS) was introduced into ordinary cement (OPC) to inhibit corrosion alloy. results indicate PAS successfully inhibited Al OPC paste, prevented expansion cracking, reduced amount hydrogen gas release...
The concept of high entropy has brought new opportunities for designing and optimizing thermal barrier coating (TBC) materials aircraft engines that meet higher thrust‐to‐weight ratios. Herein, two novel high‐entropy rare‐earth zirconates (HE‐REZs) with the chemical formula (La 0.2 Nd Tm Yb Lu ) 2 Zr O 7 (La0.2) 0.07 0.26 0.3 (La0.07) are synthesized by solid‐state reaction. Results show La0.2 sample is composed defect fluorite pyrochlore dual‐phase structure La0.07 single‐phase structure....
Pervious concrete is made of cementitious materials, coarse aggregate, water and additives, with characteristic macro- meso-connected pore structure, which enables the acceptable mechanical properties high permeability for pavement road applications. In this study, effect rheology fresh alkali-activated slag paste on sedimentation bottom pervious concrete, meso-structure, connected porosity, was investigated by a range analytical techniques through varying equivalent alkali content to...
The effects of pre-dispersing metakaolin (MK) in water on the properties and hydration mortar distribution MK particles were characterized by analytical techniques. Zeta-potential MK-water dispersion significantly decreased with increase pH solution, resulting a stable at 8 zeta-potential -40 mV. bulk density slurry rapidly increased water/MK ratio due to surface tension force filling spaces water, maximum 665.2 kg/m3 1.0. Comparing that powder MK, did not alter products, slightly improved...
The compressive strength, water absorption and hydration products of mortar with metakaolin addition were characterized by a range techniques to evaluate the effect on properties mortar. Metakaolin is more effective improvement strength after curing for 7 days, due refinement pore structure pozzolanic reaction between calcium hydroxide. Water was reduced introducing metakaolin, especially in very early age, optimization packing density superfine particles. There no correlation differences...
Cement is widely used for the solidification of low- and intermediate-level radioactive waste materials. Radioactive borate solution with a high concentration boron one main wastes produced in nuclear stations. It difficult to solidify this by using cement because has great inhibitory effect on hydration process. In study, kinetics, strength, durability, phase assemblage, transportation transformation silicon paste that blended Portland 5 M were investigated. After addition sodium hydroxide...
The durability, microstructure and hydration products of concrete containing 0-6wt% metakaolin (MK) were studied by analytical techniques. calcium hydroxide (CH), ettringite silicate hydrate gels in the control concrete, additional monocarboaluminate hemicarboaluminate identified MK. CH content decreased 28 days MK, due to pozzolanic reaction between MK CH. Chloride diffusion coefficient with increase content. By addition 6wt% chloride 60%.
Self-healing mortar with various healing agent was prepared by sealing the in glass capsules. Waterglass, metakaolin slurry, and slurry waterglass were used as agent. The restoration of compressive strength self-healing characterized damaging at 7 28 days curing for another 1, days. restored after under condition or days, developed a similar trend to that control specimen when damaged but not fully long term Metakaolin can restore both early later age damage. combination further improved mortar.
The properties and microstructure of concrete containing 0-6wt% metakaolin (MK) were studied by analytical techniques. compressive strength increased with the content MK reached maximum 5wt% addition, where 33% at 28 days comparing to control. pore structure was refined in due increase amount pores smaller than 10 nm. There is a relationship between average diameter strength.
The effect of mineral admixture and curing condition in pore structure concrete was studied this paper. Concrete samples with different component were prepared firstly, then they put into standard condition, fresh water salt environment that produced artificially respectively at 20 °C. After the experiments 3, 28 180 days tested by mercury intrusion porosimetry (MIP). results obtained reveal increase age, degradation impact dramatically. When days, total volume porosity concretes is lower...