Jueshi Qian
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View article: Sulfate optimization in ettringite rich cements by SO3/Al2O3 molar ratio: A comparative study of calcium sulfoaluminate and aluminate cements
Sulfate optimization in ettringite rich cements by SO3/Al2O3 molar ratio: A comparative study of calcium sulfoaluminate and aluminate cements Open
The hydration process of calcium sulfoaluminate (CSA) and aluminate cement (CAC) is influenced by their composition and calcium sulfate sources. Increasing the calcium sulfate content promotes ettringite generation; however, exceeding the …
View article: Optimization of strength and microstructural properties of building gypsum by ternary Ca(OH)2 - citric acid and PCEs additives
Optimization of strength and microstructural properties of building gypsum by ternary Ca(OH)2 - citric acid and PCEs additives Open
Multiple additives are usually required to achieve better constructability for building gypsum-based materials. In this work, ternary contour was designed to determine the optimal proportions of Ca(OH)2 (CH), PCEs and citric acid (CA) by c…
View article: Preparation and properties of gradient fire & corrosion protection magnesium phosphate cement coatings
Preparation and properties of gradient fire & corrosion protection magnesium phosphate cement coatings Open
Fire and corrosion protection are the main problems limiting the application of steel. Gradient fire & corrosion protection coating for steel structures was prepared by magnesium phosphate cement (MPC) with high bond strength, excellent an…
View article: Development and Promotion of Concrete Strength at Initial 24 Hours
Development and Promotion of Concrete Strength at Initial 24 Hours Open
Knowing and promoting the strength development of concrete at an earlier age is essential for accelerating formwork circulation of the on-site construction and precast product manufacture. The strength development rate at earlier ages of l…
View article: Creep Deformation and Its Effect on Mechanical Properties and Microstructure of Magnesium Phosphate Cement Concrete
Creep Deformation and Its Effect on Mechanical Properties and Microstructure of Magnesium Phosphate Cement Concrete Open
Creep deformation is an important aspect of magnesium phosphate cement (MPC) used as a structural material. In this study, the shrinkage and creep deformation behaviors of three different MPC concretes were observed for 550 days. The mecha…
View article: Thermal Behavior of Magnesium Phosphate Cement with Addition of Sulphoaluminate Cement
Thermal Behavior of Magnesium Phosphate Cement with Addition of Sulphoaluminate Cement Open
View article: Rapid Hardening Ternesite And Microstructure Changes Activated by Carbonation Curing and Ye'Elimite
Rapid Hardening Ternesite And Microstructure Changes Activated by Carbonation Curing and Ye'Elimite Open
View article: Investigation and Optimisation of the Rheological Properties of Magnesium Potassium Phosphate Cement with Response Surface Methodology
Investigation and Optimisation of the Rheological Properties of Magnesium Potassium Phosphate Cement with Response Surface Methodology Open
Magnesium phosphate cement (MPC) is a promising alternative cement. However, the rheological property of this new binder is still to be explored. In this study, Response Surface Methodology (RSM) was adopted with Central Composite Design (…
View article: Preparation and Performance of Ternesite–Ye’elimite Cement
Preparation and Performance of Ternesite–Ye’elimite Cement Open
Ternesite–ye’elimite (TCSA) cement is a new type of environmentally advantageous binder prepared by introducing ternesite, a reactive phase, into belite calcium sulfoaluminate cement clinker. This paper reports the laboratory production of…
View article: Preparation and Properties of Magnesium Phosphate Cement-Based Fire Retardant Coating for Steel
Preparation and Properties of Magnesium Phosphate Cement-Based Fire Retardant Coating for Steel Open
Magnesium phosphate cement (MPC) is a potential inorganic binder for steel coating due to setting and hardening rapidly, and bonding tightly with steel. NH4H2PO4-based MPC as a fire-retardant coating for steel was investigated in this work…
View article: Preparation of Magnesium Ammonium Phosphate Mortar by Manufactured Limestone Sand Using Compound Defoaming Agents for Improved Strength and Impermeability
Preparation of Magnesium Ammonium Phosphate Mortar by Manufactured Limestone Sand Using Compound Defoaming Agents for Improved Strength and Impermeability Open
Magnesium ammonium phosphate cement (MAPC) mortar has recently risen up as high performance rapid repair material for concrete structures. But high costs of the raw materials limit its restoration and maintenance projects on a wide applica…
View article: An Experimental Investigation on the Effects of Limestone Fines in Manufactured Sands on the Performance of Magnesia Ammonium Phosphate Mortar
An Experimental Investigation on the Effects of Limestone Fines in Manufactured Sands on the Performance of Magnesia Ammonium Phosphate Mortar Open
Magnesium ammonium phosphate cement (MAPC) prepared with ammonium dihydrogen phosphate (NH4H2PO4, ADP) and dead-burned Magnesium oxide (MgO) is a new type of rapid patch repair material for concrete structures. In order to reduce the mater…
View article: Influence and Mechanism of Borax on the Physico-Mechanical Properties of Magnesium Potassium Phosphate Cement Exposed to High Temperatures
Influence and Mechanism of Borax on the Physico-Mechanical Properties of Magnesium Potassium Phosphate Cement Exposed to High Temperatures Open
View article: Sintering Behaviour and Structure-Thermal Stability Relationships of Alkali-Doped Ternesite
Sintering Behaviour and Structure-Thermal Stability Relationships of Alkali-Doped Ternesite Open
View article: Preparation and Application of Self-Curing Magnesium Phosphate Cement Concrete with High Early Strength in Severe Cold Environments
Preparation and Application of Self-Curing Magnesium Phosphate Cement Concrete with High Early Strength in Severe Cold Environments Open
The early strength of magnesium phosphate cement (MPC) decreases sharply in severe cold environments ≤−10 °C, with the 2 h compressive strength falling to 3.5 MPa at−20 °C. Therefore, it cannot be used as a repair material for emergency re…
View article: Effect of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:msub><mml:mrow><mml:mtext>Fe</mml:mtext></mml:mrow><mml:mrow><mml:mtext mathvariant="bold">2</mml:mtext></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mtext>O</mml:mtext></mml:mrow><mml:mrow><mml:mtext mathvariant="bold">3</mml:mtext></mml:mrow></mml:msub></mml:math> on the Immobilization of High-Level Waste with Magnesium Potassium Phosphate Ceramic
Effect of on the Immobilization of High-Level Waste with Magnesium Potassium Phosphate Ceramic Open
For the proposed novel procedure of immobilizing HLW with magnesium potassium phosphate cement (MKPC), Fe 2 O 3 was added as a modifying agent to verify its effect on the solidification form and the immobilization of the radioactive nuclid…
View article: Photocatalysis: Low Temperature Synthesis of Large‐Size Anatase TiO<sub>2</sub> Nanosheets with Enhanced Photocatalytic Activities (Small 48/2017)
Photocatalysis: Low Temperature Synthesis of Large‐Size Anatase TiO<sub>2</sub> Nanosheets with Enhanced Photocatalytic Activities (Small 48/2017) Open
In article 1701964, Xiao Tang, Guozhong Cao, and co-workers discover the special microstructure evolution of TiO2 in a 4 °C aqueous solution, from initially aperiodic 2D atom-networks gradually grown into large-size anatase nanosheets. The…
View article: Influence of Aggregate Wettability with Different Lithology Aggregates on Concrete Drying Shrinkage
Influence of Aggregate Wettability with Different Lithology Aggregates on Concrete Drying Shrinkage Open
The correlation of the wettability of different lithology aggregates and the drying shrinkage of concrete materials is studied, and some influential factors such as wettability and wetting angle are analyzed. A mercury porosimeter is used …