ZA835495B - Jack for prestressed concrete structures - Google Patents

Jack for prestressed concrete structures

Info

Publication number
ZA835495B
ZA835495B ZA835495A ZA835495A ZA835495B ZA 835495 B ZA835495 B ZA 835495B ZA 835495 A ZA835495 A ZA 835495A ZA 835495 A ZA835495 A ZA 835495A ZA 835495 B ZA835495 B ZA 835495B
Authority
ZA
South Africa
Prior art keywords
jack
prestressed concrete
concrete structures
prestressed
structures
Prior art date
Application number
ZA835495A
Other languages
English (en)
Inventor
Michael Arthur Smith
Original Assignee
Ccl Systems 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 Ccl Systems Ltd filed Critical Ccl Systems Ltd
Publication of ZA835495B publication Critical patent/ZA835495B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/121—Construction of stressing jacks

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
ZA835495A 1982-08-07 1983-07-27 Jack for prestressed concrete structures ZA835495B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8222830 1982-08-07

Publications (1)

Publication Number Publication Date
ZA835495B true ZA835495B (en) 1984-09-26

Family

ID=10532185

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA835495A ZA835495B (en) 1982-08-07 1983-07-27 Jack for prestressed concrete structures

Country Status (4)

Country Link
EP (1) EP0101268A3 (xx)
AU (1) AU551307B2 (xx)
IN (1) IN160947B (xx)
ZA (1) ZA835495B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589536B1 (fr) * 1985-11-04 1988-07-08 Framatome Sa Dispositif de tension pour le serrage et le desserrage de boulons ou goujons
ES2084538B1 (es) * 1992-10-14 1998-01-01 Mekano 4 S A Gato hidraulico para tesar tendones de hormigon pretensado.
CN101798876B (zh) * 2010-04-28 2012-09-12 赵正义 退张前减小钢筋应力的构造

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243980B (de) * 1964-07-11 1967-07-06 Frieseke & Hoepfner Gmbh Hydraulische Hubeinrichtung mit hydraulischem Kolbenrueckzug
US3338552A (en) * 1965-04-23 1967-08-29 Christiani & Nielsen Ltd Hydraulic jacks and the like
DE7012963U (de) * 1970-04-09 1970-07-30 J P Sauer & Sohn Maschb Gmbh Vorrichtung zum vermeiden von unzulaessigen druckdifferenzen in druckmittelzylindern.
US4106752A (en) * 1976-05-04 1978-08-15 Buildinter Ag Jack for stressing concrete re-inforcement elements

Also Published As

Publication number Publication date
EP0101268A2 (en) 1984-02-22
AU1758083A (en) 1984-02-09
IN160947B (xx) 1987-08-15
AU551307B2 (en) 1986-04-24
EP0101268A3 (en) 1985-11-27

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