| 摘要 |
PCT No. PCT/BE83/00023 Sec. 371 Date Aug. 29, 1984 Sec. 102(e) Date Aug. 29, 1984 PCT Filed Dec. 21, 1983 PCT Pub. No. WO84/02732 PCT Pub. Date Jul. 19, 1984.Filiform element usable for reinforcing moldable materials particularly concrete, said filiform element having crimpings or corrugations distributed over its length, showing the following features: maximum wave amplitude of the longitudinal axis: 1 to 1.5 d; maximum wave-length: 10 d; minimum wave-length: 7 d; maximum fiber length: 65 d; minimum fiber length: 45 d; fiber diameter (d): max. 1.2 mm; nature of the steel: ultimate tensile strength higher than 110 kg/mm2 and lower than 150 kg/mm2. |
