JP4160581B2 - Anchor bolt position retaining bracket and position fixing structure, and steel column construction method using the same - Google Patents

Anchor bolt position retaining bracket and position fixing structure, and steel column construction method using the same Download PDF

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Publication number
JP4160581B2
JP4160581B2 JP2005187650A JP2005187650A JP4160581B2 JP 4160581 B2 JP4160581 B2 JP 4160581B2 JP 2005187650 A JP2005187650 A JP 2005187650A JP 2005187650 A JP2005187650 A JP 2005187650A JP 4160581 B2 JP4160581 B2 JP 4160581B2
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fixing
anchor bolt
steel column
anchor
main
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JP2005187650A
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JP2007009411A (en
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俊久 荏原
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俊久 荏原
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Description

  The present invention relates to an anchor bolt position holding bracket and a position fixing structure in an exposed column base method, and a method for constructing a steel column using the same.

  As shown in FIG. 10, the exposed column base method is a method of tightening the steel column 17 by tightening the base plate 19 welded to the lower end portion of the steel column 17 and the anchor bolt 11 embedded in the foundation concrete 14 with a nut 20. It is a method of fixing on the foundation concrete 14. A washer 21 is provided between the base plate 19 and the nut 20. Conventionally, as shown in FIG. 11, the installation work of the anchor bolt 11 includes a steel core ink 24 a on the discarded concrete 10 and a steel core ruler on the template 12 to which the anchor bolt 11 is fixed. In general, the line 24b is aligned, and the anchor frame 23 on the lower end side is discarded by the hole-in anchor 9 or welding and fixed to the concrete 10 and the pile.

  Further, as shown in FIG. 15, when building the steel column 17 of the exposed column base method, a steel column building anchor hook 22 (hereinafter referred to as an anchor) for hanging the wire rope 18 and pulling it with a chain block or the like. Hook 22) is installed and used for removing distortion and positioning of the steel column 17. However, the anchor hook 22 has no particular rules for installation in terms of the building structure, and may be forgotten to be installed, or it may be necessary to reexamine the installation timing and shape in the field process. When the anchor hook 22 is not installed, as shown in FIG. 14, the steel column 17 may be erected by hanging the wire rope 18 on the anchor bolt 11 of the exposed column base method.

  However, in the installation of the anchor bolts of the exposed column base method according to the background art as described above, after the anchor bolts 11 are installed, as shown in FIGS. The anchor bolt 11 is placed in the original installation position due to an external impact or failure such as “formwork for foundation concrete 14 to be placed up to the vicinity of the upper end of the anchor bolt 11” or “placement construction of the foundation concrete 14”. May be off. When the positional deviation exceeds the allowable range, the normal exposure type column base method as shown in FIG. 10 cannot be realized, and the correction processing of the base plate 19 and the like to the normal position is generated. At the same time, the original performance of the exposed column base method cannot be exhibited.

  Further, as described above, the anchor hook 22 shown in FIG. 15 is not particularly considered for installation and tends to be forgotten. Therefore, as shown in FIG. It may be pulled by a block. As a result, the thread of the anchor bolt 11 is crushed, and there is an inconvenience to the construction and performance of the exposed column base method in which the nut 20 is fastened and fixed.

  The present invention pays attention to the above points. The purpose of the present invention is to determine the position (or dimensions) of the anchor bolt 11 fixed and embedded in the foundation concrete by the anchor bolt installation method of the conventional exposed column base method. It is to realize a normal exposed-type column base construction form together with the base plate 19 welded to the lower end portion of the steel column without shifting due to various external obstacles and impacts until the foundation concrete is hardened.

In order to achieve the above object, the anchor bolt position fixing structure according to the present invention includes a base plate welded to a lower end portion of a steel column and an anchor bolt embedded in the foundation concrete with a nut to tighten the steel column on the foundation concrete. This is a position fixing structure that prevents displacement of the anchor bolt when it is fixed to, and is used in the construction of the beam reinforcement, provided at the foundation rebar assembly device whose bottom end is fixed on the discarded concrete A beam main bar receiving object that receives the beam main bar , a position holding metal fitting that clamps and fixes all of the beam main bars received by the beam main bar metal object , and A connecting means for connecting and fixing the template to which the anchor bolt is fixed is provided.

One of the main forms is characterized in that the number of the connecting means is different in an orthogonal direction among the reinforcing bar arranging directions .

An anchor bolt position holding bracket according to the present invention is a position holding bracket used in any one of the above-described position fixing structures, wherein the beam main reinforcement is sandwiched between the beam main reinforcement and the beam. A fixing means for fixing the main bar metal receiving object and the sandwiching means is included .

One of the main forms is that the fixing means is fixed to the beam main bar support, and includes bolt means that penetrates the sandwiching means, and nut means that threadably engages with the bolt means that penetrates the sandwiching means. It is characterized by that. One of the other forms is characterized by comprising an anchor hook for building a steel column used when building the steel column .

Built how the method of steel columns of the present invention, by performing traction with steel pillars erected how anchors hook position holding bracket of the anchor bolt, and performing distortion again or positioning of the steel columns . The above and other objects, features and advantages of the present invention will become apparent from the following detailed description and the accompanying drawings.


  In the present invention, since the metal fitting that sandwiches and fixes the beam main reinforcement between the beam main reinforcement receiving the beam main reinforcement is connected and fixed to the template that fixes the anchor bolt, the anchor bolt caused by an external impact or the like is used. It is possible to prevent the position (or dimension) from being shifted and to realize a normal exposed column base method. Moreover, since the anchor hook which hangs a wire rope etc. for pulling a steel column is provided in the position-holding metal fitting as needed, the steel column can be distorted and positioned satisfactorily.

  Hereinafter, the best mode for carrying out the present invention will be described in detail based on examples.

  A first embodiment of the present invention will be described with reference to FIGS. 1, 2, 3, 4, 5, 6, 7, and 8. In this embodiment, the position accuracy of the anchor bolt used in the exposed column base method is maintained, and FIG. 1 shows the fixing of the beam main bar receiving material of the basic reinforcing bar assembling apparatus and the position holding bracket of this embodiment. It is a perspective view which shows the previous state. 2 and 3 are perspective views showing the overall configuration of the basic reinforcing bar assembling apparatus provided with the position holding metal fittings. FIG. 4 is a cross-sectional view showing how the position is fixed using the position holding metal fitting of the present embodiment, and FIGS. 5 to 7 are plan views corresponding to FIG. Moreover, FIG. 8 is a figure which shows the mode of the distortion correction or positioning of the steel column using the said metal fitting for position holding.

  First, as shown in FIGS. 2 and 3, the basic reinforcing bar assembling apparatus 8 a or 8 b uses a steel material such as an angle, a round pipe, a reinforcing bar, and the like to arrange the beam main reinforcing bars (upper main reinforcing bars) 7 shown in FIG. 1. It is used by sliding and adjusting / fixing. The T-shape shown in FIG. 2 and the portal shape shown in FIG. 3 are temporarily distinguished according to the height of the beam and the number of reinforcements of the beam main reinforcement. . In the basic reinforcing bar assembling apparatuses 8a and 8b, a steel plate mount 15 and an angle mount frame 16 using a steel material such as a steel plate and an angle provided at the lower end are fixed on the discarded concrete 10 by a hole-in anchor 9 or welding. The In addition, a beam main bar receiving object 3 is installed at the upper end of the foundation reinforcing bar assembling devices 8a and 8b. The bolt 4 fixed to the receiving portion of the beam main bar receiving object 3 by welding or the like is used when a fixing steel plate 2 to be described later is put on the beam main bar 7 and fixed by the sandwiching washer 5 and the nut 6.

  As shown in the enlarged view of FIG. 1, the fixing steel plate 2 is a plate, steel plate, angle steel or other steel material with holes for passing bolts 4. It is used when it is put on and fixed to the beam main bar 7 placed on the beam main bar receiving object 3 using the frame, and an anchor hook 1 (hereinafter referred to as an anchor hook 1) for building a steel column is formed on the upper surface thereof. It is fixed by welding. The anchor hook 1 is formed by bending a steel material such as a reinforcing bar, and is used when hooking a wire rope 18 or the like for distortion removal or alignment when the steel column 17 is built.

  Next, the operation of this embodiment will be described with reference to FIGS. FIG. 4 shows the fixing steel plate 2 sandwiching and fixing the beam main bar 7 shown in FIG. 1 and the template 12 fixing the anchor bolt 11 by using a steel material such as a reinforcing bar 13 and fixing them by welding or the like. It is sectional drawing which shows a state. 5 to 7 are plan views corresponding to the state of FIG. 4, FIG. 5 is a diagram in which four locations are fixed, FIG. 6 is a diagram in which three locations are fixed, and FIG. 7 is a diagram in which two locations are fixed. It is.

  In the reinforcement work after the anchor bolts are installed on the exposed column base, as shown in FIG. 1, the beam main reinforcement 7 is put on the beam main reinforcement 3 and the beam main reinforcement 7 is sandwiched between the nut 6 and others. Tighten and fix with the method of. If it does in this way, while the beam main reinforcement 3 of the foundation reinforcement assembly apparatus 8a, 8b and the underground beam reinforcement and the basic reinforcement including the beam main reinforcement 7 arranged there will be integrated, the beam main reinforcement 3 Thus, the weight of the integrated reinforcing bar received in step S3 can be utilized, and the fixing degree of the parts such as the fixing steel plate 2, the beam main bar support 3, the bolt 4, the washer 5, and the nut 6 is increased. And as shown in FIGS. 4-7, the template 12 which has fixed the anchor bolt 11, and the said fixed steel plate 2 are connected and fixed using steel materials, such as the reinforcing bar 13, rebar construction, formwork construction, Even if there is an obstacle or impact from the outside due to the placement of the foundation concrete 14, the position (or dimensions) of the anchor bolt 11 is maintained until the foundation concrete 14 is hardened.

  Further, in order to correct the distortion of the steel column 17 and to position the steel column 17 according to the steel core 24 as shown in FIG. 10, as shown in FIG. What is necessary is just to work by hooking the wire rope 18. By using the anchor hook 1 provided on the fixed steel plate 2 in this way, the wire rope 18 can be attached to the anchor bolt 11 when not installed or forgotten as in the background art shown in FIG. The screw thread is not crushed by pulling and the problem of the construction and performance of the exposed-type column base method in which the nut 20 is fastened and fixed is eliminated.

Thus, according to the first embodiment, there are the following effects.
(1) Covering the beam main reinforcement 3 with the steel plate 2 with the anchor hook 1 and sandwiching the beam main reinforcement 7, and tightening and fixing with the nut 6 or other methods, the basic reinforcement assembly devices 8a and 8b The beam reinforcement 3 and the underground beam reinforcement and the basic reinforcement including the beam reinforcement 7 arranged there are integrated, and the weight of the integrated reinforcement received by the beam reinforcement 3 is also used. Thus, the fixing degree of the parts such as the fixing steel plate 2, the beam main bar receiving object 3, the bolt 4, the washer 5, and the nut 6 is increased. For this reason, it becomes possible to connect and fix the template 12 fixing the anchor bolt 11 and the fixing steel plate 2 using a steel material such as a reinforcing bar 13, and the position of the anchor bolt 11 in the exposed column base method ( (Or dimensions) accuracy can be maintained.
(2) Since the anchoring hook 1 is provided on the fixed steel plate 2 so that the anchor hook 1 can be pulled by hanging the wire rope 18, there is no need to forget to install it, and the anchor bolt 11 is wired. Without hanging the rope 18, the steel column 17 can be re-distorted and positioned. Furthermore, since it is not necessary to newly install the anchor hook 1 separately from the basic reinforcing bar assembling apparatus 8a or 8b, the efficiency of the building work can be improved.

  Next, Embodiment 2 of the present invention will be described with reference to FIG. FIG. 9 is a cross-sectional view showing a state of fixing the position of the anchor bolt according to the present embodiment. In addition, the same code | symbol shall be used for the component which is the same as that of Example 1 mentioned above, or respond | corresponds. The present embodiment is an example configured without using the basic reinforcing bar assembling apparatus used for the construction of the beam reinforcement, but the other basic configuration is the same as that of the first embodiment described above. That is, the beam main reinforcement 7 is sandwiched between the single beam main reinforcement 3 and the fixed steel plate 2, and fixed with the bolt 4, the clamping washer 5 and the nut 6. As in the first embodiment, a steel column building method anchor hook 1 is provided on the upper surface of the fixed steel plate 2 as necessary. The basic operation and effects of the present embodiment are the same as those of the first embodiment described above.

In addition, this invention is not limited to the Example mentioned above, A various change can be added in the range which does not deviate from the summary of this invention. For example, the following are also included.
(1) The shape, dimensions, and materials shown in the above-described embodiments are examples, and can be appropriately changed as necessary.
(2) The fixing mechanism of the beam main reinforcement 3 and the fixing steel plate 2 is also an example, and the design can be changed as appropriate so as to achieve the same effect. Moreover, the method of fixing the anchor bolt 11 and the basic reinforcing bar assembling apparatuses 8a and 8b on the discarded concrete 10 is an example, and may be fixed by various known methods.
(3) The arrangements shown in FIGS. 5 to 7 are examples, and may be changed as necessary.
(4) In the first embodiment, the beam main bar receiving device 3 of the foundation reinforcing bar assembling devices 8a and 8b is used. However, as in the second embodiment, the beam main bar receiving device is used without using the basic reinforcing bar assembling device. The beam main reinforcement 7 may be sandwiched and fixed between 3 and the fixed steel plate 2.

  According to the present invention, since the metal fitting that sandwiches and fixes the beam main reinforcement between the beam main reinforcement receiving the beam main reinforcement is connected and fixed to the template that fixes the anchor bolt, in the exposed column base method It can be used for the purpose of maintaining the position accuracy of anchor bolts. In particular, if necessary, an anchor hook for hanging a wire rope for pulling the steel column is provided on the metal fitting, so that it is also suitable for re-distorting and positioning the steel column.

It is a perspective view which shows the state before fixation of the metal fitting for position holding of Example 1 of this invention and a beam main bar | burr bracelet. It is a perspective view which shows an example of the whole structure of the basic reinforcing bar assembly apparatus which provided the metal fitting for position holding of the said Example 1. FIG. It is a perspective view which shows the other example of the whole structure of the basic rebar assembly apparatus which provided the metal fitting for position holding of the said Example 1. FIG. It is sectional drawing which shows a mode that the position fixing of an anchor bolt is performed using the metal fitting for position holding of the said Example 1. FIG. It is a top view corresponding to the said FIG. 4, and is a figure which shows the state fixed at four places. It is a top view corresponding to the said FIG. 4, and is a figure which shows the state fixed at three places. It is a top view corresponding to the said FIG. 4, and is a figure which shows the state fixed in two places. It is sectional drawing which shows the mode of re-distortion or positioning of the steel column using the metal fitting for position holding of the said Example 1. FIG. It is sectional drawing which shows the mode of the position fixation of the anchor bolt by Example 2 of this invention. It is a side view which shows the prior art. It is a perspective view which shows the prior art. It is sectional drawing which shows the prior art. It is sectional drawing which shows the prior art. It is sectional drawing which shows the prior art. It is a side view which shows the prior art.

Explanation of symbols

1: Anchor hook for steel column construction 2: Fixed steel plate 3: Beam main reinforcement 4: Bolt 5: Washer 6: Nut 7: Beam main reinforcement 8a: Foundation rebar assembly device (T-shaped)
8b: Basic rebar assembly device (gate type)
9: Hole-in anchor 10: Discarded concrete 11: Anchor bolt 12: Template 13: Rebar 14: Foundation concrete 15: Steel plate mount 16: Angle mount frame 17: Steel column 18: Wire rope 19: Base plate 20: Nut 21: Washer 22 : Steel column anchor hook 23: Anchor frame 24: Steel core 24a: Steel core ink 24b: Steel core ruled line

Claims (6)

  1. Position fixing structure for preventing displacement of the anchor bolt when the base plate welded to the lower end of the steel column and the anchor bolt embedded in the foundation concrete are tightened with nuts to fix the steel column on the foundation concrete. Because
    It is used in the construction of beam reinforcement and is installed in the foundation reinforcing bar assembly equipment whose bottom end is fixed on the concrete.
    A position-retaining bracket that sandwiches and fixes all of the beam main bars received by the beam main bar receiving object ,
    A connecting means for connecting and fixing the position holding bracket to the template fixing the anchor bolt;
    An anchor bolt position fixing structure characterized by comprising:
  2. The anchor bolt position fixing structure according to claim 1, wherein the number of the connecting means is different in a direction perpendicular to a bar arrangement direction of the beam main bars.
  3. An anchor bolt position holding bracket used in the position fixing structure according to claim 1 or 2,
    Clamping means for sandwiching the beam main bar between the beam main bar receiving material,
    Fixing means for fixing the beam main bar support and the sandwiching means;
    An anchor bolt holding metal fitting characterized by comprising:
  4. The fixing means is
    A bolt means fixed to the beam main brace, and penetrating the sandwiching means;
    Nut means for screwing with bolt means penetrating the clamping means;
    The metal fitting for maintaining the position of the anchor bolt according to claim 3, comprising:
  5.   5. The bracket for holding a position of an anchor bolt according to claim 3, further comprising an anchor hook for constructing a steel column used when the steel column is built.
  6.   6. A method for constructing a steel column, comprising: pulling using the anchor hook for constructing the steel column of the anchor bolt position holding metal fitting according to claim 5;
JP2005187650A 2005-06-02 2005-06-28 Anchor bolt position retaining bracket and position fixing structure, and steel column construction method using the same Expired - Fee Related JP4160581B2 (en)

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JP2005187650A JP4160581B2 (en) 2005-06-02 2005-06-28 Anchor bolt position retaining bracket and position fixing structure, and steel column construction method using the same

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JP2005187650A JP4160581B2 (en) 2005-06-02 2005-06-28 Anchor bolt position retaining bracket and position fixing structure, and steel column construction method using the same

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JP4160581B2 true JP4160581B2 (en) 2008-10-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7729799B2 (en) 1999-08-31 2010-06-01 United States Postal Service Apparatus and methods for processing mailpiece information in a mail processing device using sorter application software
US8227718B2 (en) 1999-08-31 2012-07-24 United States Postal Service Apparatus and methods for identifying and processing mail using an identification code

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013217118A (en) * 2012-04-10 2013-10-24 Kawashima Kensetsu:Kk Brace structure of wooden building and seismic strengthening structure of existing wooden building
EP2664732B1 (en) * 2012-05-16 2017-04-19 Honeywell International Inc. Socket for attachment to rebar and casting into a concrete structure
JP6577004B2 (en) * 2017-11-17 2019-09-18 佐々木 雅志 Mounting height setting member of slope reinforcing member mounting bolt and method of installing slope reinforcing member mounting bolt

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7729799B2 (en) 1999-08-31 2010-06-01 United States Postal Service Apparatus and methods for processing mailpiece information in a mail processing device using sorter application software
US7765024B2 (en) 1999-08-31 2010-07-27 United States Postal Service Methods and media for processing mailpiece information in a mail processing device using sorter application software
US7826922B2 (en) 1999-08-31 2010-11-02 United States Postal Service Apparatus and methods for processing mailpiece information in a mail processing device using sorter application software
US8227718B2 (en) 1999-08-31 2012-07-24 United States Postal Service Apparatus and methods for identifying and processing mail using an identification code
US8629365B2 (en) 1999-08-31 2014-01-14 United States Postal Service Apparatus and methods for identifying and processing mail using an identification code
US9381544B2 (en) 1999-08-31 2016-07-05 United States Postal Service Apparatus and methods for identifying and processing mail using an identification code

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