WO2008038410A1 - Outil de fixation pour une tige de renfort - Google Patents
Outil de fixation pour une tige de renfort Download PDFInfo
- Publication number
- WO2008038410A1 WO2008038410A1 PCT/JP2007/001008 JP2007001008W WO2008038410A1 WO 2008038410 A1 WO2008038410 A1 WO 2008038410A1 JP 2007001008 W JP2007001008 W JP 2007001008W WO 2008038410 A1 WO2008038410 A1 WO 2008038410A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fixing
- reinforcing bar
- fixing member
- rod
- wedge
- Prior art date
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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
- E04C5/165—Coaxial connection by means of sleeves
-
- 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
Definitions
- the present invention relates to a reinforced concrete structure (RC structure) or a steel reinforced concrete structure.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-084 020
- Patent Document 2 Japanese Patent No. 3 7 6 3 8 7 7
- the conventional method in which the fixing member is screwed into the reinforcing bar or coupled to the reinforcing bar through the joint member has a problem that the reinforcing bar needs to be threaded.
- the fixing member when the fixing member was rotated on site during installation, there was a problem that it could not be constructed due to interference with surrounding reinforcing bars, and even if it could be constructed, there was a problem that work efficiency was poor.
- the fixing member hits the end of the reinforcing bar during screwing, so that the fixing position of the fixing member is limited.
- the present invention has been made in consideration of the above-described circumstances, and provides a reinforcing bar fixing tool that is excellent in workability on site and does not require screw processing and can be applied to any reinforcing bar. For the purpose.
- Another object of the present invention is to provide a reinforcing bar fixing tool capable of attaching a fixing member to an arbitrary position of the reinforcing bar.
- the fixing member comprising a fixing portion and a connecting rod extending from the fixing portion, and the reinforcing rod to which the connecting rod and the connecting rod are connected are overlapped by a predetermined length.
- the fixing portion is formed of a plate, and a reinforcing bar penetration opening for allowing the reinforcing bar to pass therethrough is formed in the plate.
- the reinforcing bar fixing tool according to the present invention is such that the fixing portion is formed of an annular body and the reinforcing bar is passed through a space surrounded by the annular body.
- the connecting rod is composed of two connecting port bodies parallel to each other, and the reinforcing bar is disposed between the two connecting port bodies.
- the cylindrical body is configured so that they can be passed through in a state in which they are sandwiched, and the wedge penetration hole is substantially symmetrical with respect to the material axis of the reinforcing bar between the connecting rod body and the reinforcing bar. There are two positions.
- the fixing member formed of a cylindrical body having an oval cross section, and the fixing member is fixed.
- a fixing member fixing rod passed through the fixing member together with the reinforcing bar so as to be overlapped with the reinforcing bar by a predetermined length, and a pair of opposed flat plate wall portions among the wall portions constituting the fixing member And a wedge member that is inserted into the wedge hole formed in the first and second members and press-fitted between the fixing member fixing rod and the reinforcing bar.
- the reinforcing bar fixing tool according to the present invention is provided with hook-like protrusions on the peripheral surface of the cylindrical body.
- the fixing member fixing rod is composed of two fixing port bodies, and the reinforcing bars are sandwiched between the two fixing rod bodies.
- the fixing member is configured so that they can be passed through in a state in which they are inserted, and the wedge penetration hole is formed between the fixed rod body and the reinforcing bar, and is substantially symmetrical with respect to the material axis of the reinforcing bar. It is provided at the position.
- a reinforcing bar fixing tool comprising: a fixing member comprising a fixing portion and a serial connection rod extending from the fixing portion; Is an oval cylindrical body, a reinforcing bar to which the fixing member is fixed, and the series connection rod are arranged on the same side in a state where the reinforcing bars and the series connection rod are arranged on the same straight line.
- the fixing member fixing rod passed through the cylindrical body, and the serially connected through the wedge threaded holes respectively formed in the pair of opposed flat plate wall portions among the wall portions constituting the cylindrical body A connecting rod and a wedge member press-fitted between the reinforcing bar and the fixing member fixing rod.
- the reinforcing bar fixing tool according to the present invention includes two fixing member fixing rods that can be arranged on both sides of the reinforcing bar and the serial connection port so as to sandwich them. It is composed of
- the reinforcing bar fixing tool according to the present invention is such that the fixing portion is formed of a plate and a rod insertion opening through which the fixing member fixing rod is inserted is formed in the plate. is there.
- the reinforcing bar fixing tool is fixed to the concrete with a fixing member comprising a fixing portion and a connecting rod extending from the fixing portion.
- a fixing member comprising a fixing portion and a connecting rod extending from the fixing portion.
- the connecting rod and the reinforcing bar are threaded through the cylindrical body so that the connecting rod and the reinforcing bar of the fixing member are overlapped by a predetermined length.
- a wedge member is passed through the hole and press-fitted.
- the fixing member when the fixing member is attached to the reinforcing bar, it is not necessary to rotate the fixing member, so that there is no possibility of interfering with other reinforcing bars during the attaching operation, and the fixing member is attached to the reinforcing bar only by press-fitting the wedge member. Since it can be firmly fixed, the work of bar arrangement on site will be greatly improved.
- the cylindrical body includes a pair of semi-cylindrical wall portions arranged so that the curved inner surfaces face each other, and a pair of flat plate-like wall portions that connect corresponding edges of the pair of semi-cylindrical wall portions, Of the inner space, one of the semi-cylindrical wall portions is a rebar passing space, and the rebar is passed through, and the other semi-cylindrical wall side is a rod passing space, and the connecting rod is inserted into the inner space. Passed. And when the reinforcing bar and the connecting rod are passed through the cylinder, they are arranged in parallel in the cylinder.
- the wedge hole is formed in each of the pair of flat wall portions so as to be positioned between the reinforcing bar and the connecting rod.
- the wedge member When the wedge member is driven between the reinforcing bar and the connecting rod, the wedge member is inserted into the semi-cylindrical wall portion of the cylindrical body so that the wedge member is not bent and engaged with each other. Is done. [0027] As described above, the wedge member causes the taper portion to be bitten by both the reinforcing bar and the connecting rod, and which biting amount increases mainly depends on the difference in hardness between the two. When the penetration into the reinforcing bar is insufficient, the engagement force between the reinforcing bar and the wedge member becomes insufficient.
- the fixing unit may have any structure and shape as long as it has a required fixing strength.
- the fixing unit is formed of a plate, and a reinforcing bar insertion opening for passing the reinforcing bar is formed in the plate. Once formed, it is possible to avoid interference between the fixing unit and the reinforcing bar by the reinforcing bar penetration opening formed in the fixing unit, and it is possible to attach the fixing member to an arbitrary position of the reinforcing bar.
- the fixing portion is formed of an annular body, and the reinforcing bar is passed through the space surrounded by the annular body, the interference between the fixing portion and the reinforcing bar is caused in the same manner as described above. Therefore, the fixing member can be attached to an arbitrary position of the reinforcing bar.
- the connecting rod can be formed of, for example, a straight steel rod having a circular cross section.
- the connecting rod is not limited to a single structure.
- the connecting rod is composed of two connecting rod bodies parallel to each other, and the cylindrical body is configured so that the reinforcing bars can be passed between the two connecting rod bodies,
- the wedge hole may be provided at two positions between the connecting rod body and the reinforcing bar, which are substantially symmetrical with respect to the material axis of the reinforcing bar.
- the fixing member fixing structure is symmetric with respect to the material axis of the reinforcing bar, so that the tensile force from the reinforcing bar is eccentric. This will be transmitted to the fixing unit without the need for a more stable fixing.
- the reinforcing bar fixing tool is fixed to the concrete by the fixing member composed of a cylindrical body having an oval cross section.
- Reinforcing member is a reinforcing bar
- the fixing member fixing rod and the reinforcing bar are threaded through the fixing member so that they are overlapped by a predetermined length, and then the wedge member is threaded into the wedge threading hole and press-fitted.
- the fixing member can be firmly fixed to the reinforcing bar simply by press-fitting the wedge member, so that the bar arrangement workability on site is greatly improved.
- the cylindrical body serves as a fixing member and resists the tensile force of the reinforcing bar, but the other configurations and functions relating to the cylindrical body are described above. Since it is substantially the same as the cylindrical body according to the first invention, the description thereof is omitted here. The description of the wedge member is also omitted.
- the fixing member fixing mouth pad can be formed of, for example, a straight steel rod having a circular cross section.
- the fixing member fixing rod is not limited to a single structure.
- the fixing member fixing rod is composed of two fixing port bodies, and the fixing member is configured so that the reinforcing bars can be passed through in a state where the reinforcing bars are sandwiched between the two fixing rod bodies.
- the wedge hole may be provided at two positions between the fixed rod body and the reinforcing bar and substantially symmetrical with respect to the reinforcing material axis.
- the fixing member fixing structure is symmetric with respect to the material axis of the reinforcing bar, so the tensile force from the reinforcing bar is eccentric. Therefore, it is transmitted to the fixing member without any trouble, and a more stable fixing is secured.
- the reinforcing bar fixing tool is fixed to the concrete by the fixing member including the fixing portion and the serial connection rod extending from the fixing portion.
- the fixing member fixing rod is located on the side of the reinforcing bar.
- the reinforcing bar, the serial connection rod and the fixing member fixing rod are passed through the cylinder, and in this state, the wedge member is passed through the wedge insertion hole and press-fitted.
- the fixing member does not need to be rotated when the fixing member is attached to the reinforcing bar, there is no possibility of interference with other reinforcing bars during the attaching operation.
- the third invention is different from the first invention in that the series connection rod of the fixing member and the reinforcing bar are arranged on the same straight line.
- the third invention relates to the cylinder, the wedge insertion hole, and the wedge member. Since the other configuration and operation are substantially the same as those of the first invention described above, description thereof is omitted here.
- FIG. 1 is a front view of a reinforcing bar fixing tool according to a first embodiment.
- FIG. 2 is a cross-sectional view of the same, (a) is a cross-sectional view taken along the line AA, and (b) is a cross-sectional view taken along the line BB.
- FIG. 3 is an exploded perspective view.
- FIG. 4 is a perspective view showing the state where the assembly is completed.
- FIG. 5 is a diagram showing a staggered arrangement of reinforcing bar anchors according to the first embodiment on the reinforcing bars.
- FIG. 6 is a diagram showing a state in which the reinforcing bar fixing tool according to the first embodiment is arranged on the reinforcing bar so that the position of the fixing portion is aligned with the reinforcing bar whose end position is not uniform.
- FIG. 7 is a front view showing a fixing member and a fixing tool using the fixing member according to a modification.
- FIG. 8 is a perspective view showing a fixing member according to another modified example and a fixing tool using the fixing member.
- FIG. 9 is an exploded perspective view showing a reinforcing bar fixing tool according to a modification.
- FIG. 10 is a front view showing a reinforcing bar fixing tool according to a modification.
- FIG. 11 is a front view showing a reinforcing bar fixing device according to a modification.
- FIG. 12 Cross-sectional view of a modified example, (a) is a cross-sectional view along line CC, (b) is D_
- FIG. 13 is a view showing a reinforcing bar fixing tool according to a second embodiment, wherein (a) is a front view and (b) a cross-sectional view taken along the line ttE_E.
- FIG. 14 is a front view showing a reinforcing bar fixing tool according to a modification.
- FIG. 15 is a front view showing a reinforcing bar fixing device according to a modification.
- FIG. 16 is a front view showing a reinforcing bar fixing tool according to a modification.
- FIG. 17 is a front view showing a reinforcing bar fixing tool according to a third embodiment.
- FIG. 18 is a diagram showing a reinforcing bar fixing tool according to a third embodiment, in which (a) is a cross-sectional view taken along line F_F, and (b) is a cross-sectional view taken along line GG.
- FIG. 19 is a front view showing a reinforcing bar fixing tool according to a modification.
- FIG. 20 is a front view showing a reinforcing bar fixing tool according to a modification.
- FIG. 21 is a cross-sectional view according to a modification, (a) is a cross-sectional view taken along the line H—H, and (b) is a cross-sectional view taken along the line 1_I.
- FIG. 22 is a front view showing a reinforcing bar fixing tool according to a modification.
- FIG. 23 is a cross-sectional view according to a modified example, (a) is a cross-sectional view along line J_J, and (b) is K_
- FIG. 24 is a front view showing a reinforcing bar fixing tool according to a modification.
- FIG. 25 is a front view showing a reinforcing bar fixing tool according to a modification.
- FIG. 1 is a front view showing a reinforcing bar fixing tool according to the present embodiment
- FIG. 2 is a sectional view
- FIG. 3 is an exploded perspective view.
- the reinforcing bar fixing tool 1 according to the present embodiment includes a cylindrical body 2, a fixing member 3, and a wedge member 6 having an oval cross-sectional shape.
- the fixing member 3 includes a steel plate 5 as a substantially circular plate body and a connecting rod 4 standing on the steel plate, and the connecting mouth pad is a straight steel having a circular cross section. It is composed of bars.
- the cylindrical body 2 is configured such that the connecting rod 4 and the reinforcing bar 11 can be passed therethrough and can be arranged in parallel by being overlapped by a predetermined length in the passed state.
- the cylindrical body 2 includes a pair of semi-cylindrical wall portions 7 and 7 arranged so that the curved inner surfaces face each other, as can be seen in FIG. 2 (a), and a corresponding edge portion of the pair of semi-cylindrical wall portions. It consists of a pair of flat wall parts 8 and 8 which connect.
- the pair of flat wall portions 8 and 8 are respectively provided with wedge insertion holes 9 and 9 so as to face each other, and the wedge insertion holes connect the reinforcing bar 11 and the connecting rod 4 to the cylindrical body 2. Positioned so that the axis of the wedge hole 9, 9 comes between them when they pass through.
- the wedge member 6 is inserted into the wedge insertion holes 9 and 9 and press-fitted.
- the cylinder 2 The semi-cylindrical wall portions 7 and 7 are engaged with each of the reinforcing bars 11 and the connecting rod 4 in a form that takes reaction force.
- the taper portion of the wedge member 6 is difficult to insert into both the reinforcing bar 1 1 and the connecting rod 4, but which biting amount increases mainly depends on the difference in hardness between the two, If the penetration into the reinforcing bar 1 1 is insufficient, the engaging force between the reinforcing bar 1 1 and the wedge member 6 becomes insufficient.
- the steel plate 5 of the fixing member 3 is a substantially circular plate as described above, but in the present embodiment, a notch-shaped reinforcing bar insertion opening 12 is formed. Reinforcing bar 1 1 can be penetrated through common opening 1 2
- the end of the reinforcing bar 11 is inserted through one opening of the cylindrical body 2, and the cylindrical body is left as it is. 2
- the connecting rod 4 of the fixing member 3 is inserted through the opening on the opposite side and penetrated through the cylinder 2 as it is.
- the fixing member is slid relative to the reinforcing bar 11 together with the cylindrical body 2 as necessary so that the fixing member 3, particularly the steel plate 5, is at a desired position.
- the fixing member 3 can be shifted to an arbitrary position of the reinforcing bar 11.
- the wedge member 6 is passed through the wedge hole 9 and press-fitted.
- a conventionally known wedge driving machine may be appropriately selected and used.
- FIG. 4 is a view showing a state where the fixing tool 3 has been attached to the reinforcing bar 11 after the wedge driving operation has been completed.
- the connecting rod 4 and the reinforcing bar 11 of the fixing member 3 are predetermined. These are passed through the cylindrical body 2 so as to be overlapped by a long length, and in this state, the wedge member 6 is passed through the wedge hole 9 and 9 and press-fitted, so that the rebar is processed. Without fixing, it is possible to firmly bond the fixing member 3 to the reinforcing bar 11, and thus, it is possible to omit the trouble of threading the reinforcing bar as in the prior art. In addition, since the fixing member 3 can be firmly fixed to the reinforcing bar 11 only by the press-fitting of the wedge member 6, there is an effect that the workability of the bar arrangement on site is greatly improved.
- the reinforcing bar fixing tool 1 according to the present embodiment, it is not necessary to rotate the fixing member 3 when attaching the fixing member 3 to the reinforcing bar 1 1. There is no possibility of interference, and in combination with the simplification of the fixing work described above, the bar arrangement work can be performed more efficiently.
- FIG. 5 shows a configuration in which the fixing members 3 are fixed in a staggered manner to a plurality of reinforcing bars 11 arranged at a predetermined pitch. With this configuration, the fixing members 3 are fixed to each other. It is possible to avoid the interference in advance.
- Fig. 6 shows that when the ends of the plurality of reinforcing bars 11 arranged at a predetermined pitch are uneven, the fixing member 3 is fixed to the reinforcing bars 11 by the cylindrical body 2 and the wedge member 6.
- This configuration shows a configuration in which the position of the steel plate 5 that is the fixing part is shifted and the position of the fixing part is aligned.
- the fixing member 3 can be attached By adjusting the position, the fixing force of each reinforcing bar 1 1 can be made constant.
- the fixing portion of the fixing member is formed of a circular plate, but the shape of the plate is arbitrary, and may be an elliptical plate, a rectangular plate, or a rectangular plate. It can be constituted by a substantially rectangular plate whose corners are chamfered or curved.
- the opening for rebar penetration may be formed in a circular hole shape as well as a notch.
- the configuration of the fixing unit is not limited to a plate body, and the shape and structure of the fixing unit are arbitrary as long as the fixing unit has an effect of fixing to concrete.
- FIG. 7 (a) is a front view showing a state in which the fixing member according to the modification is attached to the reinforcing bar 11.
- the fixing member 61 shown in the figure includes a fixing portion 6 2 bent in a semicircular shape and a connecting rod 4 extending from the end of the fixing portion.
- a straight steel rod is bent into a J-shape. Can be formed.
- the fixing member 61 is connected to the reinforcing bar using the cylindrical body 2 and the wedge member 6.
- the fixing part 62 can be mounted on the reinforcing bar 11 so that it is on the extension of the reinforcing bar 11. In this way, more compact mounting is possible.
- FIG. 8 (a) is another modified example of the fixing member
- FIG. 8 (b) is a perspective view showing a state in which the fixing member according to the modified example is attached to the reinforcing bar 11.
- the fixing member 7 3 shown is composed of an annular body 7 1 as a fixing portion bent into a rectangular frame shape, and the annular body is shaped.
- the connecting rod 4 extends from the end in a direction perpendicular to the plane formed, and is configured so that the reinforcing bar 11 can be passed through the space 74 surrounded by the annular body 71.
- the fixing member 73 can be formed by, for example, bending a straight steel bar into a rectangular frame shape.
- the reinforcing bar penetration opening 12 for allowing the reinforcing bar to pass therethrough is provided in the plate body 5.
- the reinforcing bar penetration opening is omitted. It doesn't matter.
- FIG. 9 is an exploded perspective view of a fixing tool 1a including a fixing member 3a instead of the fixing member 3, a cylindrical body 2, and a wedge member 6.
- the fixing member 3a includes: It consists of a circular steel plate 5a as a fixing part in which the opening for rebar penetration is omitted, and a connecting rod 4 standing on the steel plate.
- the cylindrical body 2 is configured as a single unit, but instead of this, as shown in FIG. 10 (a), two cylindrical bodies 2 and 2 arranged in series, and fixing
- the member 3 and the wedge member 6 can constitute a reinforcing bar fixing tool.
- the reinforcing rod 1 1 and the connecting rod 3 of the fixing member 3 are passed through the two cylindrical bodies 2, 2 arranged in series, and the wedge rod formed on each cylindrical body 2.
- the wedge members 6 are inserted into the through holes 9 and 9 and press-fitted.
- a cylindrical body 9 1 in which two sets of wedge insertion holes 9 and 9 are formed in parallel with the material axis of the reinforcing bar 11 is provided.
- the wedge members 6 and 6 may be inserted and press-fitted into the two sets of wedge insertion holes 9 and 9 formed in the cylindrical body.
- the fixing member 3 is configured by the steel plate 5 as a substantially circular plate body and the connecting rod 4 standing on the steel plate.
- the connecting rod is always a single unit. It is not necessary to configure with.
- FIG. 11 and FIG. 12 show such a modification.
- the fixing member 1 03 shown in FIG. 11 is a connecting member composed of two connecting rod bodies 104 and 104 that are parallel to each other.
- a rod and a steel plate 105 which is an oval plate body in which the connection port body is erected, are configured.
- the reinforcing bar fixing tool 1 0 1 using the fixing member 1 03 passes through the reinforcing bar 1 1 in a state where the reinforcing bar 1 1 1 is sandwiched between the two connection port bodies 1 04 and 1 04.
- a cylindrical body 102 formed so that the curved inner surface is opposed to the pair of semi-cylindrical wall portions 7 and 7 and the pair of semi-cylindrical wall portions. It consists of a pair of flat wall portions 8 a, 8 a that connect the edges, and the pair of flat wall portions 8 a, 8 a are connected to the reinforcing bars 1 1 and the two connecting rod bodies 1 04, 10 04.
- Two pairs of wedge holes 9 and 9 are formed at two positions in between and almost symmetrical with respect to the material axis of the reinforcing bar 11.
- the fixing device 10 0 1 includes two wedge members 6 and 6 that are respectively inserted and press-fitted into the two sets of wedge insertion holes 9 and 9, and the reinforcing bar 1 1 and the connecting rod body 1 When pressed into between the rebar 1 1 and the connecting rod body 1 04, 1 04, they are engaged with each other in a form that takes a reaction force from the semi-cylindrical walls 7 and 7 of the cylindrical body 102.
- the steel plate 1 05 of the fixing member 1 03 is formed with a circular hole-shaped rebar opening 1 1 2 so that the rebar 11 can be threaded through the rebar opening. It is.
- the fixing member 10 3 is more firmly fixed to the reinforcing bar 1 1 and the fixing structure of the fixing member 1 0 3 is symmetrical with respect to the material axis of the reinforcing bar 1 1.
- the tensile force from 1 is transmitted to the steel plate 10 5 which is the fixing portion without being decentered, and there is a remarkable effect that a more stable fixing can be secured.
- FIGS. 13A and 13B are a front view and a sectional view showing a reinforcing bar fixing tool according to the present embodiment.
- the reinforcing bar fixing device 1 2 1 includes a fixing member 1 2 2 constituted by a cylindrical body having an oval cross-sectional shape, and a straight steel rod having a circular cross-section.
- the fixing member fixing rod 1 2 3 and the wedge member 6 are configured.
- the fixing member 1 2 2 is configured such that the fixing member fixing rod 1 2 3 and the reinforcing bar 1 1 can be passed through in parallel so that they are arranged to overlap each other by a predetermined length.
- the pair of flat wall portions 8 and 8 are respectively formed with wedge insertion holes 9 and 9 between the reinforcing bar 1 1 and the fixing member fixing rod 1 2 3 so as to face each other. is there.
- the wedge member 6 is inserted into the wedge insertion holes 9 and 9 so as to be press-fitted.
- the reinforcing member 1 2 2 is engaged with the reinforcing bar 1 1 and the fixing member fixing rod 1 2 3 so as to take a reaction force from the semi-cylindrical walls 7 and 7 of the fixing member 1 2 2.
- the taper portion of the wedge member 6 includes the reinforcing bar 1 1 and the fixing member fixing rod.
- Both 1 2 and 3 are difficult to squeeze, but the amount of bite that increases is mainly dependent on the difference in hardness between the two. If the penetration into the reinforcing bar 11 is insufficient, the engagement force between the reinforcing bar 11 and the wedge member 6 becomes insufficient. [0088] Therefore, by setting the fixing member fixing rod 1 2 3 to have a hardness equal to or higher than that of the reinforcing bar 1 1, it is possible to make the wedge member 6 difficult to insert into the reinforcing bar 1 1 within a range not causing a problem in design. Is desirable.
- the fixing tool of the first embodiment is used.
- the fixing member 1 2 2 and the fixing member fixing rod 1 2 3 formed of a cylindrical body exert a fixing action.
- the thickness may be appropriately adjusted according to the necessary fixing force.
- the greater the wall thickness the greater the amount of protrusion from the peripheral surface of the reinforcing bar 11, and the greater the fixing force.
- the end of the reinforcing bar 1 1 is inserted from one opening of the fixing member 1 2 2.
- the fixing member 1 2 2 is penetrated as it is, and the fixing member fixing rod 1 2 3 is inserted through the opening on the opposite side or the same opening, and is directly passed through the fixing member 1 2 2.
- the fixing member is slid relative to the reinforcing bar 1 1 so that the fixing member 1 2 2 comes to a desired position.
- the wedge member 6 is inserted into the wedge hole 9 and press-fitted.
- a conventionally known wedge driving machine may be appropriately selected and used.
- the fixing member 1 2 2 when the fixing member 1 2 2 is attached to the reinforcing bar 1 1, the fixing member fixing rod 1 2 3 and the reinforcing bar 1 These are threaded through the fixing member 1 2 2 so that 1 is overlapped by a predetermined length, and in this state, the wedge member 6 is threaded and press-fitted into the wedge threading holes 9, 9. Even without processing, the fixing member 1 2 2 can be firmly joined to the reinforcing bar 1 1, thus eliminating the conventional process of threading the reinforcing bar.
- the fixing member 1 2 2 can be firmly fixed to the reinforcing bar 11 only by press-fitting the wedge member 6, there is an effect that the workability of the bar arrangement on site is greatly improved. Further, according to the reinforcing bar fixing device 1 2 1 according to the present embodiment, it is not necessary to rotate the fixing member 1 2 2 when attaching the fixing member 1 2 2 to the reinforcing bar 1 1. There is no possibility of interfering with other reinforcing bars inside, and in combination with the simplification of the fixing work described above, it becomes possible to perform the bar arrangement work more efficiently.
- the thickness of the fixing member 1 2 2 is adjusted to correspond to the necessary fixing force.
- the same as the fixing member 1 2 2 A fixing member 1 3 3 in which a flange-like protrusion 1 3 1 is provided on the peripheral surface of the structured cylindrical body 1 3 2 may be used.
- a large fixing force can be secured by the fixing action by the cylindrical body 1 3 2 and the fixing action by the hook-like protrusion 1 3 1. It should be noted that a desired fixing force can be secured by changing the shape and dimensions of the hook-shaped projections 1 3 1, particularly the protruding height from the cylindrical body 1 3 2.
- the fixing member 1 2 2 is configured as a single unit, but instead of this, as shown in FIG. 15 (a), two fixing members 1 2 2, 2, 1 2 2 can be employed, and the fixing member, the fixing member fixing rod 1 2 3, and the wedge members 6 and 6 can constitute a reinforcing member for reinforcing bars.
- the reinforcing bar 1 1 and the fixing member fixing rod 1 2 3 are passed through the two fixing members 1 2 2 and 1 2 2, and the wedges formed on the fixing members 1 2 2 The wedge members 6 and 6 are inserted into the through holes 9 and 9 and press-fitted.
- the fixing member 14 1 in which two pairs of wedge holes 9 and 9 are formed in parallel with the material axis of the reinforcing bar 11 is employed, and the fixing member Two wedge members 6 and 6 may be inserted and press-fitted into the two sets of wedge through-holes 9 and 9 formed respectively.
- the fixing member fixing rod does not necessarily need to be configured as a single unit.
- two fixing member fixing rods 1 2 3 and 1 2 3 are used, and the fixing member A fixing rod, a fixing member 15 1 configured to be able to pass through with the reinforcing bar 1 1 in a state where the reinforcing bar 1 1 is sandwiched between them, and wedge members 6 and 6 A reinforcing bar fixing tool can be configured.
- the fixing member 15 1 includes two sets of wedges at two positions between the reinforcing bar 1 1 and the fixing member fixing rods 1 2 3, 1 2 3 and substantially symmetrical with respect to the material axis of the reinforcing bar 1 1. Through holes 9 and 9 are formed, respectively.
- the reinforcing bar 1 1 and the fixing member fixing rods 1 2 3, 1 2 3 are passed through the fixing member 15 1 so that the reinforcing bars are sandwiched, and then two sets of wedges Two wedge members 6 and 6 are threaded and press-fitted into the through holes 9 and 9, respectively.
- hook-like protrusions similar to those in FIG. 14 may be provided on the peripheral surface of the fixing member 1551.
- FIG. 17 is a front view showing a reinforcing bar fixing tool according to this embodiment
- FIG. 18 is a cross-sectional view.
- the reinforcing bar fixing device 1 6 1 according to the present embodiment includes a cylindrical body 1 6 6 having an oval cross section, a fixing member 1 6 3, and a fixing member fixing port 1 6. 2 and a wedge member 6.
- the fixing member 1 6 3 is composed of a circular steel plate 1 6 5 as a fixing portion and a serial connection rod 1 6 4 erected on the steel plate. It is composed of a straight steel rod with a circular cross section.
- the cylindrical body 1 6 6 includes two connecting rods 16 4 and a reinforcing bar 1 1 which are arranged so that the material axes are on the same straight line and sandwiched from both sides thereof.
- a pair of semi-cylindrical walls arranged so that the curved inner surfaces face each other, as can be seen in FIG. 18 (a).
- the pair of flat wall portions 8 a, 8 a has a wedge hole in a position between the reinforcing bar 1 1 and the fixing member fixing rods 1 6 2, 1 6 2 and facing each other. 9 and 9 are formed respectively. Similarly, wedge insertion holes 9 and 9 are formed between the serial connection rod 16 4 and the fixing member fixing rods 16 2 and 16 2 and at positions facing each other.
- the wedge threading holes 9 and 9 are symmetrically formed on both sides with respect to the material axis of the reinforcing bar 11, the four sets of wedge threading holes 9 and 9 are flat. It is formed on the walls 8 a and 8 a.
- the wedge member 6 is inserted into the wedge insertion holes 9 and 9 and press-fitted.
- the rebar 11 and the fixing member fixing rod 16 2 are inserted into and engaged with each other in the form of taking a reaction force from the semi-cylindrical walls 7 and 7 of the cylindrical body 16 6.
- the taper portion of the wedge member 6 is composed of the reinforcing bar 1 1 and the fixing member fixing rod.
- Both 1 6 2 or the rods for series connection 1 6 4 and the fixing member fixing rod 1 6 2 are difficult to insert, but the amount of biting increases mainly depends on the difference in hardness between the two.
- the penetration into the reinforcing bar 1 1 or the serial connection rod 1 6 4 is insufficient, the engagement force between the reinforcing bar 1 1 or the serial connection rod 1 6 4 and the wedge member 6 becomes insufficient.
- the wedge can be used as long as it does not cause a design problem. It is desirable to insert the member 6 into the rebar 1 1 or the serial connection rod 1 6 4.
- the end of the reinforcing bar 1 1 is inserted from one opening of the cylindrical body 1 6 6
- the serial connection rod 1 6 4 of the fixing member 1 6 3 is inserted from the opening on the opposite side.
- the wedge member 6 is passed through the wedge hole 9 and press-fitted.
- press-fitting a conventionally known wedge driving machine may be appropriately selected and used.
- the fixing member 1 6 3 when the fixing member 1 6 3 is attached to the reinforcing bar 1 1, the fixing member 1 6 3 is connected to the serial connection port. Tsu Insert the rod 1 6 4 and the reinforcing bar 1 1 into the cylinder 1 6 6 with the axis aligned, and insert the fixing member fixing rods 1 6 2 and 1 6 2 into the cylinder 1 6 6 so that they are sandwiched between them. In this state, the wedge member 6 is passed through and pressed into the wedge hole 9 and 9 so that the fixing member 1 6 3 is firmly attached to the rebar 11 without processing the rebar 11. Thus, it is possible to eliminate the trouble of threading a reinforcing bar as in the past. In addition, since the fixing member 16 3 can be firmly fixed to the reinforcing bar 11 only by press-fitting the wedge member 6, there is an effect that the workability of the bar arrangement on site is greatly improved.
- the reinforcing bar fixing member 1 6 1 when the fixing member 1 6 3 is attached to the reinforcing bar 1 1, it is not necessary to rotate the fixing member 1 6 3. There is no possibility of interfering with other reinforcing bars during the work, and in combination with the simplification of the fixing work described above, the rebar work can be performed more efficiently.
- the fixing member fixing ports 1 6 2, 1 6 2 are connected to the series connecting rod 1 6 4 and the reinforcing bar 1 1. Since it is configured with two so that it can be sandwiched from both sides, the fixing member 1 6 3 can be more firmly attached to the reinforcing bar 1 1 and the fixing member 1 6 3 can be attached to the rebar 1 1 material axis. Therefore, the tensile force from the reinforcing bar 11 can be transmitted to the fixing member 16 3 without decentering, and more stable fixing can be secured.
- the fixing member fixing rod is composed of two rods so that the serial connection rod 1 6 4 and the reinforcing bar 1 1 can be sandwiched, but the fixing member fixing rod according to the present invention is fixed.
- the number of rods is not necessarily two, but may be configured as one as shown in Fig. 19.
- the fixing portion of the fixing member according to the present invention is configured by a circular steel plate 16 5, but instead of this, as shown in FIG. 20 and FIG.
- a substantially circular steel plate 1 94 may be formed in which the rod-shaped rod penetration openings 1 95 and 1 95 are formed at positions opposite to each other.
- Opening holes 1 9 5 and 1 9 5 for opening the mouth are configured to allow the fixing member fixing rods 1 6 2 and 1 6 2 to pass therethrough.
- the fixing member according to the present invention is a fixing member composed of a substantially circular steel plate 1 94 as a fixing portion and series connecting rods 16 4 standing on the steel plate. It becomes member 1 9 3.
- the steel plate and fixing member fixing rods 1 6 2, 1 6 are formed by the rod penetration openings 1 9 5, 1 9 5 formed in the steel plate 1 94 as a fixing part. Interference with 2 can be avoided in advance, and the fixing position of the fixing member fixing rod 1 6 2 is relaxed, improving workability.
- a fixing member 2 1 3 comprising a substantially circular steel plate 2 1 4 as a fixing portion and series connecting rods 1 6 4 erected on the steel plate.
- substantially circular steel plate 2 14 circular hole opening 2 1 5, 2 15 are formed on both sides of the standing position of the serial connection rod 16 4.
- the mouth opening 2 1 5 and 2 15 are configured to allow the fixing member fixing rods 16 2 and 16 2 to pass therethrough.
- the steel plate and the fixing member fixing rods 1 6 2, 16 are formed by the rod penetration openings 2 15, 2 15 formed in the steel plate 2 14, which is the fixing part. Interference with 2 can be avoided in advance, and the fixing position of the fixing member fixing rod 1 6 2 is relaxed, improving workability.
- FIG. 19 is replaced with a circular steel plate 1 65 as shown in FIG. 24, and a notch-shaped rod insertion opening 2 2 5 Formed It is possible to adopt a substantially circular steel plate 2 2 4 made. Similarly, as shown in FIG. 25, it is possible to employ a substantially circular steel plate 2 34 having a circular hole-shaped rod penetration opening 2 35 formed therein.
- the fixing member 2 2 3 can be attached to any position of the reinforcing bar 1 1.
- Fixing member fixing rod 1 6 2 mounting position is relaxed and workability is improved.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Golf Clubs (AREA)
- Road Signs Or Road Markings (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07805862A EP2067908B1 (en) | 2006-09-28 | 2007-09-14 | Fixing tool for reinforcing rod |
DE602007010803T DE602007010803D1 (de) | 2006-09-28 | 2007-09-14 | Befestigungswerkzeug für bewehrungsstab |
JP2008536277A JP4843678B2 (ja) | 2006-09-28 | 2007-09-14 | 鉄筋の定着具 |
US12/311,282 US20090308017A1 (en) | 2006-09-28 | 2007-09-14 | Reinforcing bar anchorage |
CN2007800360170A CN101529028B (zh) | 2006-09-28 | 2007-09-14 | 钢筋的锚座 |
AT07805862T ATE489515T1 (de) | 2006-09-28 | 2007-09-14 | Befestigungswerkzeug für bewehrungsstab |
TW096136195A TW200833916A (en) | 2006-09-28 | 2007-09-28 | Reinforcing bar anchorage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-264007 | 2006-09-28 | ||
JP2006264007 | 2006-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008038410A1 true WO2008038410A1 (fr) | 2008-04-03 |
Family
ID=39229855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/001008 WO2008038410A1 (fr) | 2006-09-28 | 2007-09-14 | Outil de fixation pour une tige de renfort |
Country Status (8)
Country | Link |
---|---|
US (1) | US20090308017A1 (ja) |
EP (1) | EP2067908B1 (ja) |
JP (1) | JP4843678B2 (ja) |
CN (1) | CN101529028B (ja) |
AT (1) | ATE489515T1 (ja) |
DE (1) | DE602007010803D1 (ja) |
TW (1) | TW200833916A (ja) |
WO (1) | WO2008038410A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017095901A (ja) * | 2015-11-19 | 2017-06-01 | 清水建設株式会社 | 鉄筋の接合構造および鉄筋の接合方法 |
JP2021085144A (ja) * | 2019-11-25 | 2021-06-03 | ジャパンパイル株式会社 | 場所打ち杭のための鉄筋かご、及び、該鉄筋かごの連結体 |
Families Citing this family (9)
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US8646239B2 (en) | 2010-08-04 | 2014-02-11 | John David Rulon | Modular building block building system |
US20130028658A1 (en) * | 2011-07-27 | 2013-01-31 | Yee Alfred A | Splice sleeve with elliptical or compound curve cross section |
CN103061513B (zh) * | 2012-12-29 | 2015-11-18 | 青海民族大学 | 一种钢筋机械锚固方法 |
CN105064615B (zh) * | 2015-07-17 | 2018-04-17 | 上海核工程研究设计院 | 一种钢筋锚固装置及安装方法 |
US10577823B1 (en) | 2016-02-15 | 2020-03-03 | Esk, Llc | Fence repair device |
MX2019002838A (es) * | 2016-09-12 | 2019-08-29 | Coupler Solutions Ltd | Dispositivo de acoplamiento, partes asociadas y metodo de uso del mismo. |
WO2020081861A1 (en) * | 2018-10-17 | 2020-04-23 | Megalex Joint, Llc | Method for creating a high tensile strength joint for connecting rods and fittings |
CN113137009B (zh) * | 2021-04-28 | 2023-05-09 | 龙岩市景棋混凝土有限公司 | 一种预制装配式混凝土构件钢筋锚固连接结构及连接方法 |
US12054947B1 (en) * | 2024-01-08 | 2024-08-06 | King Faisal University | Multi-layer wedge anchorage for FRP plates and FRP tendons |
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- 2007-09-14 AT AT07805862T patent/ATE489515T1/de not_active IP Right Cessation
- 2007-09-14 WO PCT/JP2007/001008 patent/WO2008038410A1/ja active Application Filing
- 2007-09-14 US US12/311,282 patent/US20090308017A1/en not_active Abandoned
- 2007-09-14 CN CN2007800360170A patent/CN101529028B/zh not_active Expired - Fee Related
- 2007-09-14 DE DE602007010803T patent/DE602007010803D1/de active Active
- 2007-09-14 JP JP2008536277A patent/JP4843678B2/ja active Active
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JP2021085144A (ja) * | 2019-11-25 | 2021-06-03 | ジャパンパイル株式会社 | 場所打ち杭のための鉄筋かご、及び、該鉄筋かごの連結体 |
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Also Published As
Publication number | Publication date |
---|---|
US20090308017A1 (en) | 2009-12-17 |
TW200833916A (en) | 2008-08-16 |
DE602007010803D1 (de) | 2011-01-05 |
CN101529028A (zh) | 2009-09-09 |
JP4843678B2 (ja) | 2011-12-21 |
EP2067908A4 (en) | 2009-09-16 |
EP2067908A1 (en) | 2009-06-10 |
JPWO2008038410A1 (ja) | 2010-01-28 |
EP2067908B1 (en) | 2010-11-24 |
ATE489515T1 (de) | 2010-12-15 |
CN101529028B (zh) | 2011-06-22 |
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