Abstract
Properties of self compacting concrete (SCC) with two types of coarse aggregate - sea dredged gravel with smooth and rounded particles and crushed granite with rough and angular particles - have been studied. Sea gravel allowed a higher aggregate proportion in the concrete leading to a higher modulus of elasticity. Tensile and compressive strength were found to depend both on aggregate type and on the properties of the interfacial zone close to the aggregate surface. Freeze-thaw scaling resistance was good with crushed granite, whereas sea gravel led to more severe scaling caused by porphyry and iron-bearing sandstone particles - but not by porous flint particles.
Original language | English |
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Journal | Nordic Concrete Research |
Issue number | 36 |
Pages (from-to) | 9-18 |
Number of pages | 10 |
ISSN | 0800-6377 |
Publication status | Published - 2007 |
Keywords
- Self compacting concrete
- Coarse aggregate
- Sea dredged gravel
- Crushed granite
- Mechanical properties
- Modulus of elasticity
- Compressive strength
- Splitting tensile strength
- Flexural strength
- Durability
- Freeze-thaw scaling resistance
- Porous flint