EP2570569A3 - Method for pre-tensioning pre-stressed steel rods - Google Patents

Method for pre-tensioning pre-stressed steel rods Download PDF

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Publication number
EP2570569A3
EP2570569A3 EP12184433.6A EP12184433A EP2570569A3 EP 2570569 A3 EP2570569 A3 EP 2570569A3 EP 12184433 A EP12184433 A EP 12184433A EP 2570569 A3 EP2570569 A3 EP 2570569A3
Authority
EP
European Patent Office
Prior art keywords
tensioning
steel rods
stressed steel
prestressing
anchoring nut
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.)
Withdrawn
Application number
EP12184433.6A
Other languages
German (de)
French (fr)
Other versions
EP2570569A2 (en
Inventor
Maximilian Aicher
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.)
Stahlwerk Annahuette Max Aicher Gmbh&co KG
Original Assignee
Stahlwerk Annahuette Max Aicher Gmbh&co KG
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 Stahlwerk Annahuette Max Aicher Gmbh&co KG filed Critical Stahlwerk Annahuette Max Aicher Gmbh&co KG
Publication of EP2570569A2 publication Critical patent/EP2570569A2/en
Publication of EP2570569A3 publication Critical patent/EP2570569A3/en
Withdrawn legal-status Critical Current

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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

Abstract

Zum Vorspannen ist ein Spannstahlstabes (7) mit einem Sondergewinde (8) versehen, auf das eine Verankerungsmutter (9) aufgeschraubt ist, die sich auf einer Ankerplatte (6) abstützt. Zum Anziehen der Verankerungsmutter (9) wird ein Hydraulikschrauber (11) verwendet.

Figure imgaf001
For prestressing, a prestressing steel rod (7) is provided with a special thread (8) onto which an anchoring nut (9) is screwed, which is supported on an anchor plate (6). To tighten the anchoring nut (9) a hydraulic wrench (11) is used.
Figure imgaf001
EP12184433.6A 2011-09-14 2012-09-14 Method for pre-tensioning pre-stressed steel rods Withdrawn EP2570569A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110113137 DE102011113137A1 (en) 2011-09-14 2011-09-14 Method of tempering prestressing steel bars

Publications (2)

Publication Number Publication Date
EP2570569A2 EP2570569A2 (en) 2013-03-20
EP2570569A3 true EP2570569A3 (en) 2014-02-19

Family

ID=46980763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12184433.6A Withdrawn EP2570569A3 (en) 2011-09-14 2012-09-14 Method for pre-tensioning pre-stressed steel rods

Country Status (2)

Country Link
EP (1) EP2570569A3 (en)
DE (1) DE102011113137A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112695898A (en) * 2020-12-30 2021-04-23 广西建工集团第五建筑工程有限责任公司 Construction method of steel structure embedded part capable of bearing large tension force and limited in space
CN114321035A (en) * 2021-12-29 2022-04-12 筑友智造智能科技有限公司 Intelligent tensioning equipment for prestressed reinforcement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH296946A (en) * 1949-09-23 1954-03-15 Dyckerhoff & Widmann Ag Structure made of reinforced concrete with reinforcement made of tensioned steel bars.
GB890015A (en) * 1958-10-15 1962-02-21 Erich Luebbert Improvements in or relating to reinforcing rods for concrete
DE2734757A1 (en) * 1976-08-09 1978-02-16 Alexandre Dipl Ing Birguer Prestressed concrete beam mfr. - uses threaded steel bars inserted into sheaths joined to screwed sleeves to reduce prestress at supports
DE3811776A1 (en) * 1988-01-23 1989-08-03 Wagner Paul Heinz Hydraulic power screwing device
DE10236585A1 (en) * 2002-08-08 2004-02-19 Paul-Heinz Wagner Hydraulically driven screw-driver has ratchet lever, cog wheel with cogging, block in form of detent pawl, with two blocking teeth

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH296946A (en) * 1949-09-23 1954-03-15 Dyckerhoff & Widmann Ag Structure made of reinforced concrete with reinforcement made of tensioned steel bars.
GB890015A (en) * 1958-10-15 1962-02-21 Erich Luebbert Improvements in or relating to reinforcing rods for concrete
DE2734757A1 (en) * 1976-08-09 1978-02-16 Alexandre Dipl Ing Birguer Prestressed concrete beam mfr. - uses threaded steel bars inserted into sheaths joined to screwed sleeves to reduce prestress at supports
DE3811776A1 (en) * 1988-01-23 1989-08-03 Wagner Paul Heinz Hydraulic power screwing device
DE10236585A1 (en) * 2002-08-08 2004-02-19 Paul-Heinz Wagner Hydraulically driven screw-driver has ratchet lever, cog wheel with cogging, block in form of detent pawl, with two blocking teeth

Also Published As

Publication number Publication date
DE102011113137A1 (en) 2013-03-14
EP2570569A2 (en) 2013-03-20

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