FR931739A - Béton précontraint - Google Patents

Béton précontraint

Info

Publication number
FR931739A
FR931739A FR931739DA FR931739A FR 931739 A FR931739 A FR 931739A FR 931739D A FR931739D A FR 931739DA FR 931739 A FR931739 A FR 931739A
Authority
FR
France
Prior art keywords
prestressed concrete
prestressed
concrete
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
Application number
Other languages
English (en)
Inventor
Emil Edwin
Nils Darre Nilsen
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 filed Critical
Application granted granted Critical
Publication of FR931739A publication Critical patent/FR931739A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
    • B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
    • B28B21/18—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements
    • B28B21/20—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements using inflatable cores, e.g. having a frame inside the inflatable part of the core
    • B28B21/205—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements using inflatable cores, e.g. having a frame inside the inflatable part of the core having a rigid frame inside the inflatable part of the core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
    • B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
    • B28B21/62—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements circumferential laterally tensioned

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
FR931739D 1943-11-24 1946-08-01 Béton précontraint Expired FR931739A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO2585446X 1943-11-24

Publications (1)

Publication Number Publication Date
FR931739A true FR931739A (fr) 1948-03-02

Family

ID=19915080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR931739D Expired FR931739A (fr) 1943-11-24 1946-08-01 Béton précontraint

Country Status (3)

Country Link
US (1) US2585446A (fr)
DE (1) DE809168C (fr)
FR (1) FR931739A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2683914A (en) * 1948-08-11 1954-07-20 Tangerois Ets Method of making reinforced concrete tanks
US2709845A (en) * 1951-06-29 1955-06-07 Rocla Pipes Ltd Method of applying pressure to the surface of newly formed concrete or like cementitious products
US2771655A (en) * 1951-11-27 1956-11-27 Nervi Pier Luigi Process of manufacture of forced pipings made of precompressed concrete, and relative equipment
US2892239A (en) * 1952-06-19 1959-06-30 Neff Wallace Improved method of erecting shellform concrete structures
FR1222543A (fr) * 1958-12-17 1960-06-10 Entpr S Campenon Bernard Tuyaux et corps creux en béton précontraint chemisé et leur procédé d'obtention
GB1384106A (en) * 1972-07-27 1975-02-19 Amey Roadstone Corp Tubular concrete bodies and the moulding thereof
US4840200A (en) * 1983-06-21 1989-06-20 General Atomics Prestressed tube
US4771530A (en) * 1987-04-08 1988-09-20 General Atomics Application of inwardly directed prestressing pressure to concrete members
US5065795A (en) * 1989-03-01 1991-11-19 General Atomics Prestressed concrete articles
US4936006A (en) * 1989-03-01 1990-06-26 General Atomics Method of making prestressed concrete articles

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1413405A (en) * 1921-06-27 1922-04-18 William S Hewett Reenforced-concrete pipe
US1471990A (en) * 1921-08-31 1923-10-23 Cyrus S Wert Method of forming faced concrete blocks
US1570794A (en) * 1922-02-20 1926-01-26 Robert C Stubbs Process of bonding new concrete formations to old concrete formations
US1965748A (en) * 1933-02-04 1934-07-10 Robert W Mitchell Composite pipe and method of making same
US2048253A (en) * 1933-02-10 1936-07-21 Freyssinet Eugene Method and apparatus for the manufacture of hollow bodies of reenforced concrete
US2191025A (en) * 1934-12-22 1940-02-20 Robert W Mitchell Method of making composite pipes
US2153741A (en) * 1936-12-14 1939-04-11 Walter H Cobi Process of making reinforced hollow slabs
US2236107A (en) * 1938-03-04 1941-03-25 Joseph E Miller Concrete pipe

Also Published As

Publication number Publication date
DE809168C (de) 1951-07-23
US2585446A (en) 1952-02-12

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