A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Thread rolling fixed length spiral rib steel wire
The present invention discloses a thread rolling fixed length, spiral rib steel wire used in prestressed concrete sleepers and track plates, including a 2.5 m long spiral rib prestressed steel wire, where both ends of said steel wire have continuous external thread section whose length is 30±2 mm, wherein, the surface of said steel wire has four parallel winding spiral ribs whose cross section is trapezoidal and lead is 41˜55 mm, the nominal diameter of said steel wire is 9.5 mm, 10.0 mm, or 10.5 mm, and the elastic-limit of said steel wire is larger than 1200 N/mm2.
Thread rolling fixed length spiral rib steel wire
The present invention discloses a thread rolling fixed length, spiral rib steel wire used in prestressed concrete sleepers and track plates, including a 2.5 m long spiral rib prestressed steel wire, where both ends of said steel wire have continuous external thread section whose length is 30±2 mm, wherein, the surface of said steel wire has four parallel winding spiral ribs whose cross section is trapezoidal and lead is 41˜55 mm, the nominal diameter of said steel wire is 9.5 mm, 10.0 mm, or 10.5 mm, and the elastic-limit of said steel wire is larger than 1200 N/mm2.
Thread rolling fixed length spiral rib steel wire
XIE TIEQIAO (author) / XIE ZHIAN (author) / YAN CHONGJIAN (author) / AI TIELING (author) / ZHANG YIWEN (author)
2016-06-14
Patent
Electronic Resource
English
IPC:
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
Ribbed steel bar forming method and thread rolling assembly thereof
| European Patent Office | 2021
Enlarged-head anti-floating anchor rod with PSB finish rolling thread steel
| European Patent Office | 2020
| ASCE | 2014
| Online Contents | 2014