GB338864A - Process for the manufacture of articles of reinforced concrete - Google Patents

Process for the manufacture of articles of reinforced concrete

Info

Publication number
GB338864A
GB338864A GB18711/29A GB1871129A GB338864A GB 338864 A GB338864 A GB 338864A GB 18711/29 A GB18711/29 A GB 18711/29A GB 1871129 A GB1871129 A GB 1871129A GB 338864 A GB338864 A GB 338864A
Authority
GB
United Kingdom
Prior art keywords
bars
tension
tensioned
mould
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
GB18711/29A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB338864A publication Critical patent/GB338864A/en
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
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
    • B28B23/043—Wire anchoring or tensioning means for the reinforcements

Abstract

338,864. Freyssinet, E., and Seailles, J. Oct. 2, 1928, [Convention date]. Centrifugal machines.-In making reinforcedconcrete articles such as posts, girders, plates, railway sleepers, gutters, fences and panels erected or employed after setting and hardening, reinforcing members of high tensile steel are used and are tensioned while in the mould, so that in the finished article the concrete is under initial compression and the reinforcing members are under initial tension. The reinforcing bars may be anchored in a fixed frame and tensioned by hooks acting through tension indicators d<1>, d<2>. Anchoring stops 3 - - 6 are provided on the bars, which transmit the tension to the concrete when the latter has set. The bars may be heated when in the mould, as by electric current, so that they may be tensioned when at normal temperature. A series of parallel sided or tapering moulds may be' placed end to end and the moulded article severed into the required portions after setting. A centrifugal mould c, Fig. 7, for moulding a pipe may be provided with hydraulic jacks VI, 2, 3 which tension the bars 17. Wedges or stop pins may be inserted to retain the bars in a state of tension in order that the tensioning apparatus may be disengaged. The bars may be tensioned by cams, wedge levers or screw and nut gear, and may be anchored by external plates.
GB18711/29A 1928-10-02 1929-06-18 Process for the manufacture of articles of reinforced concrete Expired GB338864A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR680547T 1928-10-02

Publications (1)

Publication Number Publication Date
GB338864A true GB338864A (en) 1930-11-18

Family

ID=9022304

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18711/29A Expired GB338864A (en) 1928-10-02 1929-06-18 Process for the manufacture of articles of reinforced concrete

Country Status (2)

Country Link
FR (1) FR680547A (en)
GB (1) GB338864A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425079A (en) * 1943-05-27 1947-08-05 Billig Kurt Reinforced concrete shell construction and method of manufacture therefor
US2455153A (en) * 1942-03-03 1948-11-30 Abeles Paul William Composite structural member
US2511761A (en) * 1943-09-28 1950-06-13 Manufacture of prestressed
US2596495A (en) * 1947-01-10 1952-05-13 Macerata Stelio Method of manufacturing prestressed concrete structural members
US2645115A (en) * 1943-02-25 1953-07-14 Abeles Paul William Composite structural member and in the manufacture thereof
US2696729A (en) * 1944-06-19 1954-12-14 Whitacre Greer Fireproofing Co Cementitious plank and method of constructing it
US2755657A (en) * 1951-11-29 1956-07-24 Finsterwalder Ulrich Post-stressed reinforcing rod anchor
US2781658A (en) * 1951-07-31 1957-02-19 Stressteel Corp Post-stressed concrete structure
US2804674A (en) * 1952-06-16 1957-09-03 Long Construction Company Double head reinforcing rod for pre-stress concrete
US3046631A (en) * 1957-12-11 1962-07-31 Lock Joint Pipe Co Apparatus and method for making prestressed concrete tubular members
US3237357A (en) * 1962-01-10 1966-03-01 Carl H Hutchings Wall and floor construction of prestressed concrete
US3283457A (en) * 1964-01-22 1966-11-08 Baltimore Concrete Plank Corp Prestressed concrete plank construction
US4620400A (en) * 1980-11-25 1986-11-04 Bouygues Prestressed concrete structure, a method of producing this structure, and elements for implementing the method
EP0361227A2 (en) * 1988-09-24 1990-04-04 Dyckerhoff & Widmann Aktiengesellschaft Prestressed concrete railway sleeper
US5093065A (en) * 1987-06-02 1992-03-03 General Atomics Prestressing techniques and arrangements

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE865048C (en) * 1939-08-26 1953-01-29 Eugene Freyssinet Method for anchoring wires or wire bundles as tendons of structures made of concrete or other masses
DE929447C (en) * 1940-11-26 1955-06-27 Georg Dipl-Ing Ehlers Prestressed concrete beam with the center of gravity adapted to the course of the moment line
DE975466C (en) * 1942-03-03 1961-12-07 Paul William Dr-Ing Abeles Prestressed component and process for its manufacture
DE974273C (en) * 1942-03-03 1960-11-10 Paul William Dr-Ing Abeles Prestressed component and process for its manufacture
DE973768C (en) * 1948-10-02 1960-06-02 Huettenwerk Rheinhausen Ag Use of steel for prestressed concrete
DE872842C (en) * 1949-11-01 1953-11-05 Carroux G M B H Prestressed steel stone beam
DE973407C (en) * 1950-07-07 1960-02-11 Dyckerhoff & Widmann Ag Process for the production of wide-span bridge structures made of reinforced concrete
DE1144653B (en) * 1956-12-13 1963-02-28 Franz Koehler Dipl Ing Concrete driven pile with detachable tension reinforcement

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455153A (en) * 1942-03-03 1948-11-30 Abeles Paul William Composite structural member
US2645115A (en) * 1943-02-25 1953-07-14 Abeles Paul William Composite structural member and in the manufacture thereof
US2425079A (en) * 1943-05-27 1947-08-05 Billig Kurt Reinforced concrete shell construction and method of manufacture therefor
US2511761A (en) * 1943-09-28 1950-06-13 Manufacture of prestressed
US2696729A (en) * 1944-06-19 1954-12-14 Whitacre Greer Fireproofing Co Cementitious plank and method of constructing it
US2596495A (en) * 1947-01-10 1952-05-13 Macerata Stelio Method of manufacturing prestressed concrete structural members
US2781658A (en) * 1951-07-31 1957-02-19 Stressteel Corp Post-stressed concrete structure
US2755657A (en) * 1951-11-29 1956-07-24 Finsterwalder Ulrich Post-stressed reinforcing rod anchor
US2804674A (en) * 1952-06-16 1957-09-03 Long Construction Company Double head reinforcing rod for pre-stress concrete
US3046631A (en) * 1957-12-11 1962-07-31 Lock Joint Pipe Co Apparatus and method for making prestressed concrete tubular members
US3237357A (en) * 1962-01-10 1966-03-01 Carl H Hutchings Wall and floor construction of prestressed concrete
US3283457A (en) * 1964-01-22 1966-11-08 Baltimore Concrete Plank Corp Prestressed concrete plank construction
US4620400A (en) * 1980-11-25 1986-11-04 Bouygues Prestressed concrete structure, a method of producing this structure, and elements for implementing the method
US5093065A (en) * 1987-06-02 1992-03-03 General Atomics Prestressing techniques and arrangements
EP0361227A2 (en) * 1988-09-24 1990-04-04 Dyckerhoff & Widmann Aktiengesellschaft Prestressed concrete railway sleeper
EP0361227A3 (en) * 1988-09-24 1990-06-20 & Widmann Aktiengesellschaft Dyckerhoff Prestressed concrete railway sleeper

Also Published As

Publication number Publication date
FR680547A (en) 1930-05-01

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