Recent advance of chemical admixtures in concrete
J Liu, C Yu, X Shu, Q Ran, Y Yang - Cement and Concrete Research, 2019 - Elsevier
Recent advance on chemical admixtures and their influence on the concrete properties is
summarized. The conformational properties of PCE molecules both in solution and on the …
summarized. The conformational properties of PCE molecules both in solution and on the …
Recent advance of MgO expansive agent in cement and concrete
J Zhang - Journal of Building Engineering, 2022 - Elsevier
Thermal shrinkage compensation of mass concrete in Baishan Dam was discovered by
accident in the 1970s, due to the delayed hydration and expansion of periclase (4.7% MgO) …
accident in the 1970s, due to the delayed hydration and expansion of periclase (4.7% MgO) …
Comparison of fly ash, PVA fiber, MgO and shrinkage-reducing admixture on the frost resistance of face slab concrete via pore structural and fractal analysis
Face slab concrete suffers from serious frost damage in the cold regions in China. How to
improve the frost resistance of face slab concrete in cold regions is one of the important …
improve the frost resistance of face slab concrete in cold regions is one of the important …
Influence of reactivity and dosage of MgO expansive agent on shrinkage and crack resistance of face slab concrete
Enhancing cracking resistance of face slab concrete is essential for the structural integrity
and normal operation of concrete-faced rockfill dams (CFRDs). In this study, the effects of …
and normal operation of concrete-faced rockfill dams (CFRDs). In this study, the effects of …
Influences of MgO and PVA fiber on the abrasion and cracking resistance, pore structure and fractal features of hydraulic concrete
Abrasion resistance and cracking resistance are two important properties determining the
normal operation and reliability of hydropower projects that are subjected to erosion and …
normal operation and reliability of hydropower projects that are subjected to erosion and …
Influence of MgO on the hydration and shrinkage behavior of low heat Portland cement-based materials via pore structural and fractal analysis
Currently, low heat Portland (LHP) cement is widely used in mass concrete structures. The
magnesia expansion agent (MgO) can be adopted to reduce the shrinkage of conventional …
magnesia expansion agent (MgO) can be adopted to reduce the shrinkage of conventional …
Constitutive behaviors of steel fiber reinforced concrete under uniaxial compression and tension
Full-range constitutive curves for steel fiber reinforced concrete (SFRC) mixtures under both
uniaxial compression and uniaxial tension are generally unavailable in the literature. Two …
uniaxial compression and uniaxial tension are generally unavailable in the literature. Two …
Mechanical and durability performance of mortars with fine recycled concrete aggregates and reactive magnesium oxide as partial cement replacement
In this paper, mortar specimens were produced using two types of commercially-available
reactive MgO as partial cement replacement (10%, 15% and 20%, by weight) and fine …
reactive MgO as partial cement replacement (10%, 15% and 20%, by weight) and fine …
Tensile properties of steel fiber reinforced recycled concrete under bending and uniaxial tensile tests
S Guo, Y Ding, X Zhang, P Xu, J Bao, C Zou - Journal of Building …, 2024 - Elsevier
It is important to study the tensile behavior of steel fiber reinforced recycled concrete
(SFRRC) for the reliability of structural design. This paper investigates the effects of different …
(SFRRC) for the reliability of structural design. This paper investigates the effects of different …
[HTML][HTML] Mechanical performance and autogenous and drying shrinkage of MgO-based recycled aggregate high-performance concrete
The high strength and durability of high-performance concrete (HPC) may be significantly
reduced by shrinkage cracking. The use of reactive magnesium oxide (MgO) can reduce …
reduced by shrinkage cracking. The use of reactive magnesium oxide (MgO) can reduce …