Shear strength of self-compacting concrete beams with small stirrups ratios
| Autor: | Lidia da Conceição Domingues Shehata, Ibrahim Abd El Malik Shehata, Thomás Lima de Resende |
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| Rok vydání: | 2016 |
| Předmět: |
Concrete beams
Materials science business.industry 0211 other engineering and technologies Compaction 020101 civil engineering 02 engineering and technology Building and Construction Structural engineering 0201 civil engineering Transverse reinforcement Compressive strength Shear (geology) Mechanics of Materials 021105 building & construction General Materials Science business Interlock Beam (structure) Civil and Structural Engineering |
| Zdroj: | Structural Concrete. 17:3-10 |
| ISSN: | 1464-4177 |
| DOI: | 10.1002/suco.201400084 |
| Popis: | In comparison with a vibrated concrete (VC) of the same strength class, self-compacting concrete (SCC) typically has a lower coarse aggregate content and, possibly, a smaller maximum aggregate size. This may result in reduced aggregate interlock between the fracture surfaces of a SCC. Since aggregate interlock plays an important role in the shear strength of slender beams, SCC beams may have a shear strength lower than that of similar VC beams, but studies on that subject are still limited. This article summarizes an experimental programme that includes beams of high-strength SCC and transverse reinforcement ratios around the minimum given by different codes – a case that had not been investigated so far. The shear strengths of those SCC beams are compared with those of VC beams with similar concrete compressive strength and small ratios of transverse reinforcement and also compared with beams calculated according to different code procedures. |
| Databáze: | OpenAIRE |
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