As a vital and integral component of transportation infrastructure,pavement has a direct and tangible impact on socio-economic *** recent years,an influx of groundbreaking and state-of-the-art materials,structures,equ...
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As a vital and integral component of transportation infrastructure,pavement has a direct and tangible impact on socio-economic *** recent years,an influx of groundbreaking and state-of-the-art materials,structures,equipment,and detection technologies related to road engineering have continually and progressively emerged,reshaping the landscape of pavement *** is a pressing and growing need for a timely summarization of the current research status and a clear identification of future research directions in these advanced and evolving ***,Journal of Road Engineering has undertaken the significant initiative of introducing a comprehensive review paper with the overarching theme of“advanced road materials,structures,equipment,and detection technologies”.This extensive and insightful review meticulously gathers and synthesizes research findings from 39 distinguished scholars,all of whom are affiliated with 19 renowned universities or research institutions specializing in the diverse and multidimensional field of highway *** covers the current state and anticipates future development directions in the four major and interconnected domains of road engineering:advanced road materials,advanced road structures and performance evaluation,advanced road construction equipment and technology,and advanced road detection and assessment technologies.
Laser powder bed fusion(L-PBF)-built triply periodic minimal surface(TPMS)structures are designed by implicit functions and are endowed with superior characteristics,such as adjustable mechanical properties and light-...
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Laser powder bed fusion(L-PBF)-built triply periodic minimal surface(TPMS)structures are designed by implicit functions and are endowed with superior characteristics,such as adjustable mechanical properties and light-weight features for bone repairing;thus,they are considered as potential candidates for bone ***,previous studies have mainly focused on different TPMS *** fundamental understanding of the differences between strut and sheet-based structures remains exclusive,where both were designed by one *** consequently hinders their practical ***,we compared the morphology,mechanical properties,and biocompatibility of sheet and strut-based *** particular,the different properties and in vivo bone repair effects of the two structures are ***,the morphology characteristics demonstrate that the manufacturing errors of sheet-based structures with diverse porosities are comparable,and semi-melting powders as well as the ball phenomenon are observed;in comparison,strut-based samples exhibit cracks and thickness ***,the mechanical properties indicate that the sheet-based structures have a greater elastic modulus,energy absorption,and better repeatability compared to strut-based ***,layer-by-layer fracturing and diagonal shear failure modes are observed in strut-based and sheet-based structures,*** in vivo experiment demonstrates enhanced bone tissues in the strut-based *** study significantly enriches our understanding of TPMS structures and provides significant insights in the design of bone scaffolds under various bone damaging conditions.
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