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- W4220946475 endingPage "110553" @default.
- W4220946475 startingPage "110553" @default.
- W4220946475 abstract "The inferior mechanical properties and durability of conventional lightweight concrete restrict its wider application. This study intended to design a novel lightweight ultra high-performance concrete (L-UHPC) using a mathematical approach, with a view to achieving low density and excellent performance. Two lightweight materials (i.e. micro-sized glass microsphere and expanded shale aggregates) were introduced in the mix design of L-UHPC. The statistical optimization via Central Composite Design was proved to be an effective method to produce the L-UHPC. The designed L-UHPC showed comparable or even superior functional and durability properties than normal-weight UHPC and high-performance cement mortar. The use of specified lightweight materials played prominent roles in ensuring the mechanical properties of L-UHPC. The high microhardness of paste matrix and the internal curing of lightweight aggregates contributed to the great durability of L-UHPC. The development of L-UHPC can provide a new solution for constructing high-performance lightweight structures and composites." @default.
- W4220946475 created "2022-04-03" @default.
- W4220946475 creator A5024986601 @default.
- W4220946475 creator A5065643918 @default.
- W4220946475 creator A5073649175 @default.
- W4220946475 creator A5090134534 @default.
- W4220946475 date "2022-04-01" @default.
- W4220946475 modified "2023-10-15" @default.
- W4220946475 title "Mix design and performance of lightweight ultra high-performance concrete" @default.
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