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UHPC-filled steel tubes / hollow precast concrete columns are most advantageous for the columns of a high-rise building or bridge piers subjected to the extensive compressive loading. This paper presents the development of various coarse aggregate UHPCs with different binders for the core of these composite columns. The use of the most compatible materials, the optimizations of binders and aggregates resulted in self-compacting UHPCs with maximum grain sizes of 12 mm or 16 mm possessing a good slump-flow of 75-80 cm, an excellent segregation resistance, a compressive strength of 180-190 MPa and a low / no autogenous shrinkage of -0.300‰ to +0.025‰.
|Title of host publication||Ultra-High Performance Concrete and High Performance Construction Materials: Proceedings of HiPerMat 2020|
|Subtitle of host publication||Schriftenreihe Baustoffe und Massivbau|
|Editors||Ekkehard Fehling, Bernhard Middendorf|
|Place of Publication||Kassel University|
|Publisher||Kassel University Press|
|Chapter||Mix Design & Packing Density|
|Number of pages||2|
|Publication status||Published - 11 Mar 2020|
- Ultra-High Performance Concrete
- High Performance Construction Materials
FingerprintDive into the research topics of 'Optimization of Coarse Aggregate UHPC Composition for UHPC-Filled Steel Tubes / Hollow Precast Concrete Columns'. Together they form a unique fingerprint.
- 1 Active
1/01/19 → 30/06/22
Project: Research project