On lap splice length of lap-spliced crossties for reinforced concrete columns under cyclic loading
| Autor: | Cheng-Cheng Chen, Tai-Kuang Lee |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Materials science
Hook business.industry 0211 other engineering and technologies 020101 civil engineering 02 engineering and technology Building and Construction Structural engineering Reinforced concrete 0201 civil engineering Seismic analysis Splice joint 021105 building & construction Cyclic loading business Civil and Structural Engineering |
| Zdroj: | Advances in Structural Engineering. 23:2669-2678 |
| ISSN: | 2048-4011 1369-4332 |
| DOI: | 10.1177/1369433220919071 |
| Popis: | A lap-spliced crosstie comprises two J-shaped rebars, each with a 180° hook at one end and straight at the other end. Six large reinforced concrete columns subjected to lateral cyclic loading were tested. The results indicated the following: (1) the confining effect of horizontally lap-spliced crossties is similar to that of vertically lap-spliced crossties. (2) Splice length of the lap-spliced crossties that is smaller than the code requirement can also provide sufficient concrete confinement. (3) A method for determining required lap splice length for lap-spliced crossties is proposed. (4) The lap-spliced crosstie can considerably improve the constructability of the crossties. Furthermore, the construction quality of reinforced concrete column reinforcement and the seismic resistance capability of reinforced concrete structures can be significantly upgraded. |
| Databáze: | OpenAIRE |
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