GB2198745B - High strength prestressing steel bar and high strength prestressed concrete pile - Google Patents
High strength prestressing steel bar and high strength prestressed concrete pileInfo
- Publication number
- GB2198745B GB2198745B GB8702986A GB8702986A GB2198745B GB 2198745 B GB2198745 B GB 2198745B GB 8702986 A GB8702986 A GB 8702986A GB 8702986 A GB8702986 A GB 8702986A GB 2198745 B GB2198745 B GB 2198745B
- Authority
- GB
- United Kingdom
- Prior art keywords
- high strength
- steel bar
- concrete pile
- prestressed concrete
- prestressing steel
- 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 - Lifetime
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Civil Engineering (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Steel (AREA)
- Piles And Underground Anchors (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61293473A JPS63151720A (en) | 1986-12-11 | 1986-12-11 | High strength pc steel rod and high strength pile |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2198745A GB2198745A (en) | 1988-06-22 |
GB2198745B true GB2198745B (en) | 1990-12-19 |
Family
ID=17795199
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB878702896A Pending GB8702896D0 (en) | 1986-12-11 | 1987-02-10 | Prestressing steel bar & concrete pile dispensing apparatus |
GB8702986A Expired - Lifetime GB2198745B (en) | 1986-12-11 | 1987-02-10 | High strength prestressing steel bar and high strength prestressed concrete pile |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB878702896A Pending GB8702896D0 (en) | 1986-12-11 | 1987-02-10 | Prestressing steel bar & concrete pile dispensing apparatus |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS63151720A (en) |
KR (1) | KR930001137B1 (en) |
GB (2) | GB8702896D0 (en) |
HK (1) | HK78991A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH079038B2 (en) * | 1990-06-27 | 1995-02-01 | 川鉄テクノワイヤ株式会社 | Low relaxation PC steel manufacturing method |
JP2886713B2 (en) * | 1991-08-09 | 1999-04-26 | 川鉄テクノワイヤ 株式会社 | High strength PC pile |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5734333B2 (en) * | 1974-06-21 | 1982-07-22 | ||
JPS50161410A (en) * | 1974-06-21 | 1975-12-27 | ||
JPS5839738A (en) * | 1981-09-02 | 1983-03-08 | Sumitomo Metal Ind Ltd | Manufacture of high tensile wire rod |
JPS5782431A (en) * | 1980-11-08 | 1982-05-22 | Sumitomo Metal Ind Ltd | Production of high tension wire rod |
JPS57169020A (en) * | 1981-04-11 | 1982-10-18 | Sumitomo Metal Ind Ltd | Production of high tensile steel bar |
JPS581016A (en) * | 1981-06-26 | 1983-01-06 | High Frequency Heattreat Co Ltd | Production of steel bar of steel wire having superior delayed breakdown characteristic and mechanical properties for prestressed concrete |
JPS5839737A (en) * | 1981-09-02 | 1983-03-08 | Sumitomo Metal Ind Ltd | Manufacture of high tensile wire rod |
JPS58157921A (en) * | 1982-03-12 | 1983-09-20 | High Frequency Heattreat Co Ltd | Steel bar or steel wire for prestressed concrete having excellent delayed fracture characteristic and mechanical property, more particularly uniform elongation and high-temperature relaxation and its production |
JPS59213816A (en) * | 1983-05-19 | 1984-12-03 | Asahi Chem Ind Co Ltd | High-strength pc pile |
JPS6013029A (en) * | 1983-07-01 | 1985-01-23 | Kawasaki Steel Corp | Production of high-tension steel bar material |
JPS61104024A (en) * | 1984-10-25 | 1986-05-22 | Kobe Steel Ltd | Production of high strength and high toughness wire rod |
-
1986
- 1986-12-11 JP JP61293473A patent/JPS63151720A/en active Granted
-
1987
- 1987-02-10 GB GB878702896A patent/GB8702896D0/en active Pending
- 1987-02-10 GB GB8702986A patent/GB2198745B/en not_active Expired - Lifetime
- 1987-11-07 KR KR1019870012576A patent/KR930001137B1/en not_active IP Right Cessation
-
1991
- 1991-10-10 HK HK789/91A patent/HK78991A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK78991A (en) | 1991-10-18 |
JPS63151720A (en) | 1988-06-24 |
GB2198745A (en) | 1988-06-22 |
KR880007879A (en) | 1988-08-29 |
KR930001137B1 (en) | 1993-02-18 |
GB8702896D0 (en) | 1987-03-18 |
JPH0541684B2 (en) | 1993-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19990210 |