A5018938103- Concrete and Cement Materials Research
- Innovative concrete reinforcement materials
- Innovations in Concrete and Construction Materials
- Concrete Properties and Behavior
- Magnesium Oxide Properties and Applications
- Concrete Corrosion and Durability
- Smart Materials for Construction
- Recycling and utilization of industrial and municipal waste in materials production
- Microbial Applications in Construction Materials
Lodz University of Technology
2022-2024
Zakład Wodociągów i Kanalizacji (Poland)
2024
The main purpose of the study was to analyze influence internal hydrophobization, conducted using an admixture based on triethoxyoctylsilane, properties and durability concrete. Experimental studies concerned measurement compressive strength, capillary water absorption, depth penetration under pressure carbonation resistance samples subjected 100 150 freeze-thaw cycles. obtained results indicate that hydrophobization is effective method protecting cement-based building materials against...
Abstract The critical step for any subsequent instrumental analysis of cementitious binders is to stop their hydration reactions, i.e., remove free water. One the most available techniques a solvent exchange method. However, solvents are known be strongly bound in ordinary Portland cement (OPC) paste and alter results thermogravimetric (TGA) sensitive hydrates, while effect on TGA response alkali-activated slag (AAS) has not been comprehensively investigated. Therefore, objective this paper...
In this study, the possibility of using mixing water containing O2 and O3 micro-nano bubbles (M-NBs) in concrete technology was investigated. particular, effect on durability frost resistance analyzed. Concretes with two types were studied. The physical properties both modified concretes reference determined, i.e., specific apparent density, porosity, weight absorption coefficient absorption. Mechanical parameters based compressive flexural strength tested after 14 28 days curing. Concrete...
Abstract The paper shows the opportunity of application an organosilicon compound such as triethoxyoctylsilane (OTES) containing long, hydrophobic alkyl sidechains (octyl groups – C 8 H 17 ) attached to silicon atoms, admixtures for internal hydrophobization cementitious building materials characterized by a porous structure. study included cement paste, mortar and concrete with three different based on triethoxyoctylsilane, but miscellaneous concentration in admixture dosage fresh mix....
The presented study examined the effectiveness of internal hydrophobization and its impact on basic properties cement-based materials such as paste, mortar, concrete. obtained results clearly indicate that, in addition to a significant reduction capillary water absorption, also improves durability material provides protection against case cyclic freezing thawing. Internal using an organosilicon admixture based triethoxyoctylsilane ensured increase contact angle for over 90 limited moisture...
The paper presents results regarding the possibility and effectiveness of carrying out internal hydrophobization in cementbased materials with mineral additives such as granulated blast furnace slag, silica dust fly ash. obtained indicate that effective by using triethoxyoctylsilane is achievable provides protection against water decreasing capillary absorption material. However, it also affects hydration process binder, which a reduction compressive strength
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