GB2198745B - High strength prestressing steel bar and high strength prestressed concrete pile - Google Patents

High strength prestressing steel bar and high strength prestressed concrete pile

Info

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
Application number
GB8702986A
Other versions
GB2198745A (en
Inventor
Hiroyuki Kozuma
Masamitsu Takei
Tadashi Nishino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daido Concrete Co Ltd
JFE Techno Wire Corp
Original Assignee
Kawatetsu Wire Products Co Ltd
Daido Concrete Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kawatetsu Wire Products Co Ltd, Daido Concrete Co Ltd filed Critical Kawatetsu Wire Products Co Ltd
Publication of GB2198745A publication Critical patent/GB2198745A/en
Application granted granted Critical
Publication of GB2198745B publication Critical patent/GB2198745B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Piles And Underground Anchors (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
GB8702986A 1986-12-11 1987-02-10 High strength prestressing steel bar and high strength prestressed concrete pile Expired - Lifetime GB2198745B (en)

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
GB8702986A Expired - Lifetime GB2198745B (en) 1986-12-11 1987-02-10 High strength prestressing steel bar and high strength prestressed concrete pile
GB878702896A Pending GB8702896D0 (en) 1986-12-11 1987-02-10 Prestressing steel bar & concrete pile dispensing apparatus

Family Applications After (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) GB2198745B (en)
HK (1) HK78991A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50161410A (en) * 1974-06-21 1975-12-27
JPS5734333B2 (en) * 1974-06-21 1982-07-22
JPS57169020A (en) * 1981-04-11 1982-10-18 Sumitomo Metal Ind Ltd Production of high tensile steel bar
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
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

Also Published As

Publication number Publication date
HK78991A (en) 1991-10-18
KR880007879A (en) 1988-08-29
GB2198745A (en) 1988-06-22
GB8702896D0 (en) 1987-03-18
JPS63151720A (en) 1988-06-24
KR930001137B1 (en) 1993-02-18
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