Abstract
With development of concrete technology, the self-compaction concrete, as a green material, has been studied and widely applied thanks to its characteristics like self-leveling, self-compacting and desirable fillability. At present, high performance and ultra-high performance is an important trend in development of self-compaction concrete technology. Working performance, physical performance, endurance quality, ultra-high pumpability and microstructure of C100UHP-SCC are studied in this paper. The initial fluidity of studied UHP-SCC reaches above 550mm and maintains for 3h without loss, its compressive strength on 28d is more than 100MPa, which can ensure the architectural structure to last for 100 years and enable ultra-high pumping over 400m. The technical parameters mentioned above provide valuable reference for design and construction of super high-rise buildings which are above 1000m.
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