Abstract
The mechanical property indexes of 600 MPa and 550 MPa cold-rolled ribbed steel wires were determined through tensile test, and the cracking moment, crack distribution, deflection under different loads and normal section bearing capacity were studied through 32 slabs reinforced with cold-rolled ribbed welded steel fabric to investigate the flexural behavior of slabs reinforced with cold-rolled ribbed welded steel fabric. The results showed that solder joints had no influence on the mechanical properties of 600 MPa and 550 MPa cold-rolled ribbed steel wires. Transverse reinforcements in fabric had little effect on the cracking moment, crack spacing and crack width of this type of slabs. The short-term flexural rigidity equations were established, the flexural rigidity of this type of slabs was 10% greater than ordinary concrete slabs. Based on the failure mode of slabs reinforced with 600 MPa and 550 MPa cold-rolled ribbed steel wires, the calculation method of normal section bearing capacity was proposed.
| Original language | English |
|---|---|
| Pages (from-to) | 75-80 |
| Number of pages | 6 |
| Journal | Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology |
| Volume | 48 |
| Issue number | 6 |
| DOIs | |
| State | Published - 30 Jun 2016 |
Keywords
- CRB550
- CRB600H
- Crack
- Normal section bearing capacity
- Stiffness
- Welded steel fabric
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