GB721927A - Improvements in and relating to the raising of the yield point of concrete construction steels by cold working - Google Patents
Improvements in and relating to the raising of the yield point of concrete construction steels by cold workingInfo
- Publication number
- GB721927A GB721927A GB21803/52A GB2180352A GB721927A GB 721927 A GB721927 A GB 721927A GB 21803/52 A GB21803/52 A GB 21803/52A GB 2180352 A GB2180352 A GB 2180352A GB 721927 A GB721927 A GB 721927A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- steel
- twisting
- yield point
- cold working
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
- C21D7/105—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars of concrete reinforcing bars
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
721,927. Reinforced concrete. SCHUSTER, V. Aug. 29, 1952 [Aug. 31, 1951], No. 21803/52. Class 20 (4). [Also in Group XXII A reinforcement steel for concrete has a cross-section consisting of a core 1, Fig. 2, and of part surfaces 2 distributed round it which widen by the substantially radial directions of their lateral boundaries as their distance from the core increases and are bounded externally roughly by parts of a circle drawn round the core. To raise the yield point of the steel by cold working it is twisted and since in the case of the areas of the part surfaces being greater than that of the cover the twisting tends to shorten the steel, it may be held against such shortening so as to subject it to stretching as well as twisting, whereas if the areas of the part surfaces are less than that of the core, as in Fig. 9, on twisting, the steel tends to lengthen. Longitudinal ribs 3, 4, which may be rolled seams, and also transverse ribs may be provided.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT721927X | 1951-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB721927A true GB721927A (en) | 1955-01-12 |
Family
ID=3679912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21803/52A Expired GB721927A (en) | 1951-08-31 | 1952-08-29 | Improvements in and relating to the raising of the yield point of concrete construction steels by cold working |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB721927A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308705A (en) * | 1976-11-09 | 1982-01-05 | Walter Hufnagl | Reinforcing element |
-
1952
- 1952-08-29 GB GB21803/52A patent/GB721927A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308705A (en) * | 1976-11-09 | 1982-01-05 | Walter Hufnagl | Reinforcing element |
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