Abstract
In order to verify the rationality of formulas in literatures, which were used for calculating the ultimate stress increment in unbonded tendons in prestressed concrete beams, simulations on 380 simple supported beams and continuous beams were completed, and the results of 35 simple supported beams obtained by China Academy of Building Research were collected. Then the results of the calculation formulas at home and abroad were compared with the test results of these 415 beams and slabs. It is indicated that the formulas proposed by the author are more rational than the others.
| Original language | English |
|---|---|
| Pages (from-to) | 7-13 |
| Number of pages | 7 |
| Journal | Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology |
| Volume | 41 |
| Issue number | 10 |
| State | Published - Oct 2009 |
| Externally published | Yes |
Keywords
- Beams and slabs
- Increment
- Prestressed concrete
- Ultimate stress
- Unbonded tendon
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