CN109779151B - Installation method of large-diameter lacing wire - Google Patents
Installation method of large-diameter lacing wire Download PDFInfo
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- CN109779151B CN109779151B CN201910114509.1A CN201910114509A CN109779151B CN 109779151 B CN109779151 B CN 109779151B CN 201910114509 A CN201910114509 A CN 201910114509A CN 109779151 B CN109779151 B CN 109779151B
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Abstract
The invention provides a method for installing a large-diameter lacing wire, which comprises the following steps: firstly, mounting part of main ribs in a manner of reserving mounting positions; mounting a lacing wire at a preset position on the main rib; and installing the rest main reinforcements at the reserved installation positions of the installed main reinforcements. The installation method of the invention adjusts the former construction sequence of the steel bars, firstly installs the main bars at intervals according to the sequence, then places the lacing wires, and finally installs the main bars at the intervals, thereby not only facilitating the on-site smooth installation of the large-diameter lacing wires, but also meeting the design requirements. Moreover, the installation method has simple process, saves the construction period and does not increase the construction cost.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a method for installing a large-diameter tie bar.
Background
At present, the common method for constructing the wall reinforcing steel bars is as follows: the vertical main ribs are installed firstly, then the horizontal main ribs are installed, and finally the lacing wires are installed.
In civil and general industrial construction engineering, the anti-seismic standard adopts GB 50011-2010, the relative diameters of the main rib and the tie bar are smaller, wherein the diameter of the tie bar is only phi 6mm or phi 8mm, the construction standard is relatively lower, and therefore, the installation by adopting the general method does not have problems.
However, in some special projects such as nuclear power, the anti-seismic standards of SL-1 and SL-2 (improved compared with GB 50011-.
Disclosure of Invention
The present invention has been made to solve, at least in part, the technical problems occurring in the prior art.
The technical scheme adopted for solving the technical problem of the invention is as follows:
the invention provides a method for installing a large-diameter lacing wire, which comprises the following steps:
firstly, mounting part of main ribs in a manner of reserving mounting positions;
mounting a lacing wire at a preset position on the main rib;
and installing the rest main reinforcements at the reserved installation positions of the installed main reinforcements.
Optionally, the installation method specifically includes the following steps:
firstly, mounting part of the vertical main ribs and mounting all the horizontal main ribs in a manner of reserving mounting positions;
mounting a lacing wire at a preset crossed position of the vertical main rib and the horizontal main rib;
and installing the residual vertical main ribs at the reserved installation positions of the installed vertical main ribs.
Optionally, the step of mounting the partial vertical main reinforcement in advance in a manner of reserving a mounting position specifically includes:
half of the vertical main ribs are installed firstly in a mode that the installation position of one vertical main rib is reserved between every two adjacent vertical main ribs.
Optionally, the installation method specifically includes the following steps:
firstly, mounting part of horizontal main ribs and mounting all vertical main ribs in a manner of reserving mounting positions;
mounting a lacing wire at a preset crossed position of the horizontal main rib and the vertical main rib;
and installing the residual horizontal main ribs at the reserved installation positions of the installed horizontal main ribs.
Optionally, the step of mounting the partial horizontal main reinforcement in advance in a manner of reserving a mounting position specifically includes:
half of the number of horizontal main ribs are firstly installed in a mode that an installation position of one horizontal main rib is reserved between every two adjacent horizontal main ribs.
Optionally, the tie bars are distributed in a staggered manner.
Optionally, two adjacent rows of tie bars are staggered, and/or two columns of tie bars are staggered.
Optionally, the length of the hook segment at one end of the tie bar is 10d, and the length of the hook segment at the other end of the tie bar is 12d, where d is the diameter of the tie bar.
Optionally, an included angle between the hook section at one end of the lacing wire and the middle section is 40-50 degrees, and an included angle between the hook section at the other end of the lacing wire and the horizontal section is 75-85 degrees.
Optionally, the tie bar has a diameter of 6mm to 25 mm.
Has the advantages that:
according to the invention, the method that part of the main reinforcements are constructed firstly, the neutral position is reserved to be beneficial to installation of the tie bars, and the rest main reinforcements are constructed after the installation of the tie bars is finished is adopted, so that the problem that the large-diameter tie bars cannot be installed smoothly during normal construction is solved, the smooth installation of the large-diameter tie bars is effectively ensured, the design requirements are met, the construction period is saved, and the construction cost is not increased.
Drawings
Fig. 1 is a flowchart of a method for installing a large-diameter tie bar according to an embodiment of the present invention;
FIG. 2 is a schematic view of a tie bar configuration provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of a portion of vertical main ribs and a portion of horizontal main ribs provided in an embodiment of the present invention after installation;
FIG. 4 is a schematic view of the steel bar framework shown in FIG. 3 after all the tie bars are installed thereon;
fig. 5 is a schematic view of the steel bar framework shown in fig. 4 after the remaining vertical main ribs are installed thereon.
In the figure: 1-main reinforcement; 11-vertical main ribs; 12-horizontal main ribs; 2-stretching the tendon.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention is further described in detail below with reference to the accompanying drawings and examples.
The embodiment of the invention provides a method for installing a large-diameter lacing wire. As shown in fig. 1, the mounting method includes the following steps S101 to S103.
S101, firstly mounting part of main ribs in a manner of reserving mounting positions;
s102, mounting a lacing wire at a preset position on the main rib, wherein the preset position, namely the specific mounting position of the lacing wire, can be set by a person skilled in the art according to actual conditions;
and S103, installing the residual main ribs at the reserved installation positions of the installed main ribs.
Wherein, the lacing wire refers to: the reinforcing steel bars play a role in pulling between the beams and the columns, between the beams and the walls, between the walls and the like. The function of the lacing wire is as follows: the steel bar framework plays a role in pulling and tying in order to improve the integrity of the steel bar framework. The diameter of the lacing wire is 6 mm-25 mm, for example, 16mm, 18mm or 22 mm.
Of course, before the step S101 is executed, the size of the section of the beam after the section is increased and the amount of the steel bars are determined by calculation, and then the steel bars are embedded into the beam end of the frame to be reinforced and maintained.
The installation method of the embodiment of the invention adjusts the previous construction sequence of the steel bars, firstly installs the main bars at intervals according to the sequence, then places the tie bars, and finally installs the main bars at the intervals, thereby being convenient for the smooth on-site installation of the large-diameter tie bars and also meeting the design requirements. Moreover, the installation method has simple process, saves the construction period and does not increase the construction cost.
As a specific implementation of the installation method of the present embodiment, the following steps S201 to S203 are included.
S201, as shown in figure 3, firstly installing part of the vertical main ribs 11 and installing all the horizontal main ribs 12 in a manner of reserving installation positions, wherein the diameters of the vertical main ribs 11 and the horizontal main ribs 12 can be phi 40 mm;
s202, as shown in FIG. 4, a lacing wire 2 is installed at a preset crossing position of a vertical main rib 11 and a horizontal main rib 12, and the preset crossing position, namely a specific installation position of the lacing wire 2, can be set by a person skilled in the art according to actual conditions;
and S203, as shown in FIG. 5, installing the residual vertical main ribs 11 at the reserved installation positions of the installed vertical main ribs 11.
It can be seen that, in the embodiment, part of the vertical main reinforcements are constructed firstly, the neutral position is reserved to increase the effective clear distance, the installation of the tie bars is facilitated, then the tie bars are installed by utilizing the neutral position where the vertical main reinforcements are not installed, after the installation of the tie bars is finished, the residual vertical main reinforcements are installed at the reserved neutral position, so that the large-diameter tie bars are ensured to be installed quickly by reasonably optimizing the construction sequence, the design requirements are met, the construction efficiency is improved, and the material cost and the construction period are not increased.
As shown in fig. 3, in step S201, the step of mounting the partial vertical main ribs in advance in a manner of reserving the mounting positions specifically includes:
half of the vertical main ribs are installed firstly in a mode that the installation position of one vertical main rib is reserved between every two adjacent vertical main ribs. At the moment, the distance between the adjacent vertical main ribs is 400mm, and the distance between the adjacent horizontal main ribs is 200 mm.
Accordingly, as shown in fig. 5, in step S203, the other half number of vertical main bars are mounted at the reserved mounting positions of the mounted vertical main bars. At the moment, the distance between the adjacent vertical main ribs is 200mm, and the distance between the adjacent horizontal main ribs is 200 mm.
As another specific implementation of the installation method of this embodiment, the following steps S301 to S303 are included.
S301, firstly installing part of horizontal main ribs and installing all vertical main ribs in a manner of reserving installation positions;
s302, mounting a lacing wire at a preset crossed position of a horizontal main rib and a vertical main rib, wherein the preset crossed position, namely the specific mounting position of the lacing wire, can be set by a person skilled in the art according to actual conditions;
and S303, installing the residual horizontal main ribs at the reserved installation positions of the installed horizontal main ribs.
Therefore, in the embodiment, part of the horizontal main reinforcements are constructed firstly, the neutral position is reserved to increase the effective clear distance, the installation of the tie bars is facilitated, then the tie bars are installed at the neutral positions where the horizontal main reinforcements are not installed, after the installation of the tie bars is finished, the rest horizontal main reinforcements are installed at the reserved neutral positions, the large-diameter tie bars are guaranteed to be installed quickly by reasonably optimizing the construction sequence, the design requirements are met, the construction efficiency is improved, and the material cost and the construction period are not increased.
In step S301, the step of mounting the partial horizontal main bar in advance in a manner of reserving a mounting position specifically includes:
half of the number of horizontal main ribs are firstly installed in a mode that an installation position of one horizontal main rib is reserved between every two adjacent horizontal main ribs.
Accordingly, in step S303, the other half number of horizontal main bars are mounted at the reserved mounting positions of the mounted horizontal main bars.
In order to facilitate installation and save materials, the lacing wires need to be distributed in a staggered manner.
Preferably, two adjacent rows of tie bars are arranged in a staggered manner, and two connected rows of tie bars are also arranged in a staggered manner. The skilled person can also stagger only two adjacent rows of tie bars or only two adjacent columns of tie bars according to the actual situation.
As shown in fig. 2, the length L1 of the hook segment at one end of the tie bar 2 is 10d, and the length L2 of the hook segment at the other end is 12d, wherein d is the diameter of the tie bar (steel bar). It should be noted that the length L1 of the hook segment refers to the length of a straight segment of the hook at one end of the lacing wire 2; the length L2 of the hook section is the length of the straight section of the hook at the other end of the lacing wire 2.
The included angle alpha 1 between the bent hook section at one end of the lacing wire 2 and the middle section is 40-50 degrees, preferably 45 degrees, and the included angle alpha 2 between the bent hook section at the other end and the horizontal section is 75-85 degrees, preferably 81 degrees.
In summary, the method of constructing all the main reinforcements first and then constructing the tie bars is not adopted in the prior art, but the method of constructing part of the main reinforcements first, reserving the neutral position to be beneficial to the installation of the tie bars, and constructing the rest main reinforcements after the installation of the tie bars is completed is adopted, so that the problem that the large-diameter tie bars cannot be installed smoothly during normal construction is solved, the smooth installation of the large-diameter tie bars is effectively ensured, the design requirements are met, the construction efficiency is improved, and the material cost and the construction period are not increased.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (8)
1. A method for installing a large-diameter lacing wire is characterized by comprising the following steps:
firstly, mounting part of main ribs in a manner of reserving mounting positions;
mounting a lacing wire at a preset position on the main rib;
installing the rest main ribs at the reserved installation positions of the installed main ribs;
the installation method specifically comprises the following steps:
firstly, mounting part of the vertical main ribs and mounting all the horizontal main ribs in a manner of reserving mounting positions;
mounting a lacing wire at a preset crossed position of the vertical main rib and the horizontal main rib;
installing the rest vertical main ribs at the reserved installation positions of the installed vertical main ribs;
alternatively, the first and second electrodes may be,
firstly, mounting part of horizontal main ribs and mounting all vertical main ribs in a manner of reserving mounting positions;
mounting a lacing wire at a preset crossed position of the horizontal main rib and the vertical main rib;
and installing the residual horizontal main ribs at the reserved installation positions of the installed horizontal main ribs.
2. The mounting method according to claim 1, wherein the step of mounting the partial vertical main reinforcements in a manner of reserving mounting positions firstly comprises the following specific steps:
half of the vertical main ribs are installed firstly in a mode that the installation position of one vertical main rib is reserved between every two adjacent vertical main ribs.
3. The mounting method according to claim 1, wherein the step of mounting the partial horizontal main reinforcement in advance in a manner of reserving a mounting position specifically comprises the following steps:
half of the number of horizontal main ribs are firstly installed in a mode that an installation position of one horizontal main rib is reserved between every two adjacent horizontal main ribs.
4. The method of installation according to any one of claims 1 to 3, wherein the tie bars are distributed in a staggered manner.
5. The method of installation according to claim 4, wherein two adjacent rows of tie bars are staggered and/or two adjacent columns of tie bars are staggered.
6. The installation method according to any one of claims 1-3, wherein the tie is 10d in length of the hook segment at one end and 12d in length of the hook segment at the other end, where d is the diameter of the tie.
7. The mounting method according to any one of claims 1 to 3, wherein an angle between the hook section at one end of the lacing wire and the middle section is 40 to 50 °, and an angle between the hook section at the other end of the lacing wire and the horizontal section is 75 to 85 °.
8. The mounting method according to any one of claims 1 to 3, wherein the tie bar has a diameter of 6mm to 25 mm.
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| CN201910114509.1A CN109779151B (en) | 2019-02-14 | 2019-02-14 | Installation method of large-diameter lacing wire |
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| CN201910114509.1A CN109779151B (en) | 2019-02-14 | 2019-02-14 | Installation method of large-diameter lacing wire |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312482A (en) * | 2011-05-05 | 2012-01-11 | 吕怀民 | Main structure |
| CN103422677A (en) * | 2013-08-30 | 2013-12-04 | 南通八建集团有限公司 | Construction method for binding steel reinforced concrete composite structure reinforcing steel bars |
| CN204151689U (en) * | 2014-09-30 | 2015-02-11 | 中交二航局第四工程有限公司 | A kind of prefabricated moulding bed of pier stud reinforcing bar simultaneously accurately can locating main muscle and stirrup |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2544874B2 (en) * | 1993-01-26 | 1996-10-16 | 鹿島建設株式会社 | Method and apparatus for arranging rebar |
| CN207092385U (en) * | 2017-08-30 | 2018-03-13 | 中交公路规划设计院有限公司 | A kind of J-type lacing wire |
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2019
- 2019-02-14 CN CN201910114509.1A patent/CN109779151B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312482A (en) * | 2011-05-05 | 2012-01-11 | 吕怀民 | Main structure |
| CN103422677A (en) * | 2013-08-30 | 2013-12-04 | 南通八建集团有限公司 | Construction method for binding steel reinforced concrete composite structure reinforcing steel bars |
| CN204151689U (en) * | 2014-09-30 | 2015-02-11 | 中交二航局第四工程有限公司 | A kind of prefabricated moulding bed of pier stud reinforcing bar simultaneously accurately can locating main muscle and stirrup |
Non-Patent Citations (1)
| Title |
|---|
| 武汉绿地中心伸臂桁架层施工技术;樊涛生等;《施工技术》;20160731;第126页 * |
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