Exact(4)
All of them are less than 3, and belong to the diffusion creep under the control of aggregate interface dislocation mechanism.
In this paper, reactive magnesia sand is employed to replace conventional inert quartz sand as the fine aggregate of MKPC mortar, to adjust the M/P (i.e. MgO-to-KH2PO4) molar ratio of cement paste during mortar formation, as well as to improve the mortar performance though strengthening the bonding capacity of the interfacial transition zone (ITZ) (i.e. the paste to aggregate interface).
The testing behaviour and simulations performed on cylindrical probes of 16 × 32 cm have shown that dehydration of the heated concrete causes a decrease of Young's modulus (softening) and mechanic resistance drop (decohesion) in compression causing degradation of the paste aggregate interface, and may cause cement matrix micro-cracks.
Fractures were observed at the aggregate interface in many areas of L concrete, but in the case of M concrete, the majority of the cracks caused by loading occurred in a through pattern.
Similar(56)
Furthermore, X-ray diffractometer (XRD) and energy dispersive spectrometer (EDS) microstructure analyses show that the CH content tend to decrease with increasing SSOS aggregate substitution, and the alkaline elements sodium (Na) and potassium (K) dissolve into the mortar and coarse aggregate interfaces.
In contrast, each Dvl co-synthesized with each truncated Nkd1GFP (C6 or C8) formed aggregates, but colocalization was instead observed at aggregate interfaces, with Dvl aggregates typically surrounding truncated Nkd1 aggregates (Fig. 4D D″ and not shown).
These results confirm the effect of the cement paste-aggregate interface degradation on the mechanical properties.
The HL can improve the asphalt-aggregate interface adhesion and the water stability of the asphalt mixtures with MTs.
Scanning electron microscopy and X-ray diffraction are used to evaluate the hydration products and paste-aggregate interface.
This study aims to study the deformation and failure behavior of the asphalt-aggregate interface using molecular dynamics (MD) simulations.
The MD simulation shows promising results to understand mechanical failure of asphalt-aggregate interface at the atomistic scale.
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