EP0432121A1 - Verfahren für die Herstellung von Bewehrung für Betonelemente, vorzugsweise für Betonpfähle, Bewehrung und in dieser eingebaute Querversteifung - Google Patents
Verfahren für die Herstellung von Bewehrung für Betonelemente, vorzugsweise für Betonpfähle, Bewehrung und in dieser eingebaute Querversteifung Download PDFInfo
- Publication number
- EP0432121A1 EP0432121A1 EP90850388A EP90850388A EP0432121A1 EP 0432121 A1 EP0432121 A1 EP 0432121A1 EP 90850388 A EP90850388 A EP 90850388A EP 90850388 A EP90850388 A EP 90850388A EP 0432121 A1 EP0432121 A1 EP 0432121A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- reinforcing bars
- reinforcement
- members
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
- B21F27/121—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars
- B21F27/122—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by attaching a continuous stirrup to longitudinal wires
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
- E04C5/0618—Closed cages with spiral- or coil-shaped stirrup rod
Definitions
- the present invention relates to a method for production of reinforcement for concrete members, preferably concrete piles, according to the preamble of claim 1, reinforcement for concrete members according to the preamble of claim 5 and a strut member intended for such reinforcement according to the preamble of claim 7.
- piles play an important role in connection with ground strengthening.
- the piles normally comprise an inner reinforcement of steel and a concrete body cast around the reinforcement, in most cases with some form of end strengthening.
- a known technique for producing such piles comprises elongating a steel wire in the form of a compact coil to an extented coil, placing the elongated coil on a height-adjustable support and, by means of a feeding device, inserting reinforcing iron bars into the extended coil on the support.
- the support is height-adjustable and in a first phase two reinforcing bars or two groups of such bars are fed in and placed mutually spaced apart in the horizontal plane. Thereafter these bars are affixed to the elongated steel wire coil by means of a binding operation which can comprise binding at mutually spaced locations, for example in the order of one meter apart.
- This attachment can be seen as maintaining the bars by means of binding wires in which the bars quite simply hang.
- the binding is a totally manual operation which requires great speed and which, because of its monotony, becomes extremely tiring in the long run.
- the invention thus provides a solution not only for the stability problem of the bars, i.e. its quality as reinforcement in piles, but also, on the one hand, the problem of the tiresome, monotonous manual binding and, on the other hand, the need for great accuracy during manufacturing. Since the problem is the same in connection with, for example reinforced concrete beams and other weight-bearing building members, the invention relates to concrete members in general, even though concrete piles are presently of most interest.
- the invention accordingly provides a method for producing reinforcement for concrete members, preferably concrete piles, in which steel wire is formed into an extended coil and reinforcing bars are placed within the coil and in which means are arranged to hold the coil and the reinforcing bars together.
- the method is characterized in that the coil and the reinforcing bars are brought to be held together by a plurality of tensioning members pushed onto, and acting between, at least two reinforcing bars or groups thereof which press the reinforcing bars into contact with the coil.
- the reinforcing bars or groups thereof form the corners in an imaginary rectangle, seen in cross-section, and the tensioning means are designed as struts acting diagonally in said rectangle so that one strut lies in a first diagonal direction and the adjacent strut lies in the other diagonal direction.
- the tensioning means is formed and placed such that, seen along the circumference of the coil, it presses three closely lying reinforcing bars or groups thereof against the coil.
- the tensioning means is designed and arranged such that, seen along the circumference of the coil, it presses all the reinforcing bars or groups thereof against the coil.
- the invention also provides reinforcement for concrete members, preferably concrete piles, comprising a steel wire formed into an extended coil and reinforcing iron bars placed internally along the total length of the coil, and means for holding together the coil and the reinforcing bars.
- the reinforcement is characterized by a plurality of tensioning means mutually spaced in the coil's longitudinal direction which act between at least two reinforcing bars or groups thereof to press the reinforcing bars into contact with the coil and thereby stabilize the reinforcement.
- the reinforcing bars or the groups thereof form the corners in an imaginary rectangle, seen in cross-section, whereby the reinforcement is characterized by tension members acting as struts diagonally in said rectangle and whereby sequentially following struts are oriented in differing diagonal directions.
- the invention also provides a strut member intended for reinforcement which comprises a steel wire formed into an extended coil and in which reinforcing bars are arranged, wherein said reinforcement is intended for concrete members, preferably concrete piles.
- the strut member is characterized by means for attachment to a first reinforcing bar or group of reinforcing bars and means for attachment to a second reinforcing bar or group of reinforcing bars, whereby the length of each strut member is such that the strut members, when placed in reinforcement, press the reinforcing bars outwards into contact with the coil.
- the invention relates also to a concrete member, preferably a concrete pile, provided with the said reinforcement.
- Figure reference numeral 10 in Fig. 1 refers to a wound steel wire compact coil and figure reference numeral 10′ refers to the same steel wire but elongated to an extended coil 10′.
- This coil 10′ can have a length of for example several meters, say four to eight meters, and is placed on height-adjustable supports 11, 12 and 13. Holders 14, 15 and 16 on these supports fix the coil 10' in its extended condition and thus counteract the spring force therein.
- FIGS. 17, 18 and 19 indicate that respective supports are height-adjustable.
- a first vertical position of the supports a first set of reinforcing bars 20 is fed in between a pair of rollers 21, 22 of which one is a driven roller.
- Individual reinforcing bars 20 or a plurality thereof, for example two, are laid in the first vertical position such that they extend along the whole coil 10′ and have a certain mutual spacing in the horizontal plane.
- the supports 11, 12 and 13 are lowered a little, sufficiently for the subsequent batch of reinforcing bars 20 to be able to be positioned, so that they are placed with mutual spacing in the horizontal plane at a level substantially in contact with the inside of the coil 10′.
- the reinforcing bars With the reinforcing bars and the supports in this position, the reinforcing bars are temporarily fixed in their positions by means of spacing members of the type shown in Fig. 5.
- the spacing members can be placed not only diagonally, but also along the sides of the imaginary rectangle.
- Fig. 4 shows four reinforcing bars 20 placed so that the four-sided cross-section 23 shown with dashed lines is formed.
- the broken lines 24, 25 indicate that a section of the elongated coil 10′ somewhere between its ends is being considered, which ends, as mentioned earlier, are temporarily fixed by means of spacing members of the type shown in Fig. 5, or shorter such members placed along the sides of the imaginary rectangle.
- spacing members of the type shown in Fig. 5, or shorter such members placed along the sides of the imaginary rectangle.
- the tensioning- or strut members 26 are shown in the form of elongated struts with a notch 27 symmetrically located relative to the strut in the one end and a notch 28 turned through 90° with respect to the notch 27.
- the notch 27 is placed over its corresponding reinforcing bar and, by means of for example a rubber mallet, the notch 28 is banged into place on its reinforcing bar 20.
- strut or tensioning member is introduced at a suitable spacing from the former, for example in the order of one meter.
- the latter strut 26 is oriented so that it is in a different diagonal direction in relation to the first strut.
- the struts 26 are used as means for pressing the reinforcing bars outwards against the inside of the coil, a robust and easily reproducable arrangement for effecting stability of the pile reinforcement is provided, at the same time that this is achieved with a number of simple manual operations.
- the need for the binding wires along with their unpredictable retaining ability is accordingly avoided and there is further no need for any welding with the troublesome weld fumes emitted therefrom.
- Fig. 6 it is shown how three reinforcing bars 20 in cross-section are located by means of another type of tensioning-strut arrangement 26.
- a tensioning-strut arrangement 26b is given in Fig. 7 which cooperates with all four sets of reinforcing bars 20.
- Fig. 8 shows another type of four-cornered supporting tensioning- or strut arrangement in the form of a four-sided frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90850388T ATE96193T1 (de) | 1989-12-04 | 1990-11-30 | Verfahren fuer die herstellung von bewehrung fuer betonelemente, vorzugsweise fuer betonpfaehle, bewehrung und in dieser eingebaute querversteifung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8904079 | 1989-12-04 | ||
SE8904079A SE467788B (sv) | 1989-12-04 | 1989-12-04 | Saett att tillverka armering foer betongelement, foeretraedesvis betongpaalar, armering och stoettorgan ingaaende i dylik samt betongelement med dylik armering |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0432121A1 true EP0432121A1 (de) | 1991-06-12 |
EP0432121B1 EP0432121B1 (de) | 1993-10-20 |
Family
ID=20377676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90850388A Expired - Lifetime EP0432121B1 (de) | 1989-12-04 | 1990-11-30 | Verfahren für die Herstellung von Bewehrung für Betonelemente, vorzugsweise für Betonpfähle, Bewehrung und in dieser eingebaute Querversteifung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0432121B1 (de) |
AT (1) | ATE96193T1 (de) |
DE (1) | DE69004056T2 (de) |
FI (1) | FI92510C (de) |
NO (1) | NO174902C (de) |
SE (1) | SE467788B (de) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4203740A1 (de) * | 1992-02-09 | 1993-08-12 | Dyckerhoff & Widmann Ag | Verfahren zum herstellen eines ankerelementes aus einer litze aus verdrillten stahldraehten |
EP0773333A1 (de) * | 1995-11-15 | 1997-05-14 | Elmenhorst & Co. GmbH | Mauerwerksbewehrung |
WO1997019233A1 (fr) * | 1995-11-22 | 1997-05-29 | Lingqun Li | Faux longeron |
WO2001028905A1 (en) * | 1999-10-21 | 2001-04-26 | Onesteel Reinforcing Pty Limited | A rollable mesh apparatus |
DE202005019077U1 (de) * | 2005-12-06 | 2007-04-19 | nolasoft Ingenieurgemeinschaft Ozbolt Mayer GbR (vertretungsberechtigter Gesellschafter: Dr.-Ing. Utz Mayer, 70178 Stuttgart) | Bewehrungselement für Tragwerke aus Stahlbeton, Spannbeton od.dgl. |
CN102995832A (zh) * | 2012-12-03 | 2013-03-27 | 北京工业大学 | 内隔板、加劲肋断开型多腔体钢管混凝土柱及作法 |
CN103469966A (zh) * | 2013-10-10 | 2013-12-25 | 辛兴华 | 一种钢筋混凝土柱及其施工方法 |
CN110080465A (zh) * | 2019-03-27 | 2019-08-02 | 深圳大学 | 一种混凝土梁骨架及其施工方法 |
CN110984480A (zh) * | 2019-12-23 | 2020-04-10 | 浙江捷城建筑科技有限公司 | 一种预制柱主筋定位固定装置 |
CN113356479A (zh) * | 2021-05-24 | 2021-09-07 | 深圳大学 | 混凝土柱骨架及其施工方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR19585E (fr) * | 1913-01-21 | 1915-03-16 | Paul Lecler | Perfectionnements à la fabrication des pièces en ciment armé |
GB191421851A (en) * | 1914-11-02 | 1915-10-28 | William John Stewart | Improvements in or relating to Concrete Piles, Pillars, Beams and other Concrete Structures. |
US1896279A (en) * | 1930-01-04 | 1933-02-07 | Union Steel Prod Co | Structural unit and assembly |
BE719634A (de) * | 1968-08-16 | 1969-02-03 | ||
BE730492A (de) * | 1969-03-26 | 1969-09-01 | ||
FR2146170A1 (de) * | 1971-07-22 | 1973-03-02 | Mandelli Jean Entreprise | |
EP0196542A2 (de) * | 1985-03-30 | 1986-10-08 | Hubert Keller | Verfahren und Vorrichtung zur Herstellung eines Armierungskorbes für Stahlbetonbauteile |
DE8702254U1 (de) * | 1987-02-13 | 1987-06-25 | Bth Biegetechnik Hasak Gmbh, 8300 Altdorf, De |
-
1989
- 1989-12-04 SE SE8904079A patent/SE467788B/sv unknown
-
1990
- 1990-11-30 DE DE90850388T patent/DE69004056T2/de not_active Expired - Fee Related
- 1990-11-30 EP EP90850388A patent/EP0432121B1/de not_active Expired - Lifetime
- 1990-11-30 AT AT90850388T patent/ATE96193T1/de active
- 1990-12-03 NO NO905217A patent/NO174902C/no unknown
- 1990-12-03 FI FI905961A patent/FI92510C/fi not_active IP Right Cessation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR19585E (fr) * | 1913-01-21 | 1915-03-16 | Paul Lecler | Perfectionnements à la fabrication des pièces en ciment armé |
GB191421851A (en) * | 1914-11-02 | 1915-10-28 | William John Stewart | Improvements in or relating to Concrete Piles, Pillars, Beams and other Concrete Structures. |
US1896279A (en) * | 1930-01-04 | 1933-02-07 | Union Steel Prod Co | Structural unit and assembly |
BE719634A (de) * | 1968-08-16 | 1969-02-03 | ||
BE730492A (de) * | 1969-03-26 | 1969-09-01 | ||
FR2146170A1 (de) * | 1971-07-22 | 1973-03-02 | Mandelli Jean Entreprise | |
EP0196542A2 (de) * | 1985-03-30 | 1986-10-08 | Hubert Keller | Verfahren und Vorrichtung zur Herstellung eines Armierungskorbes für Stahlbetonbauteile |
DE8702254U1 (de) * | 1987-02-13 | 1987-06-25 | Bth Biegetechnik Hasak Gmbh, 8300 Altdorf, De |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4203740A1 (de) * | 1992-02-09 | 1993-08-12 | Dyckerhoff & Widmann Ag | Verfahren zum herstellen eines ankerelementes aus einer litze aus verdrillten stahldraehten |
EP0773333A1 (de) * | 1995-11-15 | 1997-05-14 | Elmenhorst & Co. GmbH | Mauerwerksbewehrung |
WO1997019233A1 (fr) * | 1995-11-22 | 1997-05-29 | Lingqun Li | Faux longeron |
WO2001028905A1 (en) * | 1999-10-21 | 2001-04-26 | Onesteel Reinforcing Pty Limited | A rollable mesh apparatus |
DE202005019077U1 (de) * | 2005-12-06 | 2007-04-19 | nolasoft Ingenieurgemeinschaft Ozbolt Mayer GbR (vertretungsberechtigter Gesellschafter: Dr.-Ing. Utz Mayer, 70178 Stuttgart) | Bewehrungselement für Tragwerke aus Stahlbeton, Spannbeton od.dgl. |
CN102995832B (zh) * | 2012-12-03 | 2015-04-29 | 北京工业大学 | 内隔板、加劲肋断开型多腔体钢管混凝土柱及作法 |
CN102995832A (zh) * | 2012-12-03 | 2013-03-27 | 北京工业大学 | 内隔板、加劲肋断开型多腔体钢管混凝土柱及作法 |
CN103469966A (zh) * | 2013-10-10 | 2013-12-25 | 辛兴华 | 一种钢筋混凝土柱及其施工方法 |
CN103469966B (zh) * | 2013-10-10 | 2015-08-26 | 贵州桥梁建设集团有限责任公司 | 一种钢筋混凝土柱及其施工方法 |
CN110080465A (zh) * | 2019-03-27 | 2019-08-02 | 深圳大学 | 一种混凝土梁骨架及其施工方法 |
CN110984480A (zh) * | 2019-12-23 | 2020-04-10 | 浙江捷城建筑科技有限公司 | 一种预制柱主筋定位固定装置 |
CN110984480B (zh) * | 2019-12-23 | 2021-08-20 | 浙江捷城建筑科技有限公司 | 一种预制柱主筋定位固定装置 |
CN113356479A (zh) * | 2021-05-24 | 2021-09-07 | 深圳大学 | 混凝土柱骨架及其施工方法 |
CN113356479B (zh) * | 2021-05-24 | 2022-07-05 | 深圳大学 | 混凝土柱骨架及其施工方法 |
Also Published As
Publication number | Publication date |
---|---|
SE8904079L (sv) | 1991-06-05 |
FI92510C (fi) | 1994-11-25 |
FI905961A (fi) | 1991-06-05 |
EP0432121B1 (de) | 1993-10-20 |
DE69004056T2 (de) | 1994-05-05 |
NO174902C (no) | 1994-07-27 |
SE8904079D0 (sv) | 1989-12-04 |
SE467788B (sv) | 1992-09-14 |
FI905961A0 (fi) | 1990-12-03 |
NO174902B (no) | 1994-04-18 |
NO905217L (no) | 1991-06-05 |
ATE96193T1 (de) | 1993-11-15 |
DE69004056D1 (de) | 1993-11-25 |
FI92510B (fi) | 1994-08-15 |
NO905217D0 (no) | 1990-12-03 |
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