CN113006377B - Constructional column steel bar construction method - Google Patents
Constructional column steel bar construction method Download PDFInfo
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- CN113006377B CN113006377B CN202110319731.2A CN202110319731A CN113006377B CN 113006377 B CN113006377 B CN 113006377B CN 202110319731 A CN202110319731 A CN 202110319731A CN 113006377 B CN113006377 B CN 113006377B
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- steel bar
- reinforcing steel
- constructional column
- threaded sleeve
- central line
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- 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
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- 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
-
- 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
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- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a constructional column steel bar construction method, which comprises the steps of firstly obtaining a plurality of beam slab steel bar fixing devices, wherein the beam slab steel bar fixing devices comprise two threaded sleeves which are separated from each other and are arranged on the same central line, connecting steel bars which are arranged on the same central line with the two threaded sleeves are arranged between the two threaded sleeves, two ends of each connecting steel bar are respectively provided with a connecting stud in an extending mode along the direction of the central line of the connecting steel bar, the length of each connecting stud is smaller than that of each threaded sleeve, and each connecting stud is in threaded fit in the threaded sleeve on the side where the connecting stud is located; and then corresponding beam slab reinforcing steel bar fixing devices are respectively arranged in the beam slab templates on the upper side and the lower side of the floor according to the construction positions and the number of the constructional column reinforcing steel bars for pre-embedding, and then the lower-layer constructional column main reinforcing steel bars and the upper-layer constructional column main reinforcing steel bars are installed and bound together. The invention has simple and convenient construction, avoids the occurrence of potential safety hazard and simultaneously improves the construction efficiency by pre-burying the floor slab steel bar fixing device when the beam slab is poured and respectively installing the upper half part and the lower half part of the constructional column steel bar.
Description
Technical Field
The invention relates to the field of constructional column construction, in particular to a constructional column steel bar construction method.
Background
In the construction of a secondary structure constructional column of a building construction project, the traditional process usually adopts a mode of reserving plate surface main reinforcements and planting reinforcements on a beam bottom main reinforcement. The main reinforcement of face is reserved according to main muscle diameter, usually at about 500mm, reserves the reinforcing bar and stays the face after once the construction is accomplished, stumbles construction operation personnel very easily, has the potential safety hazard. The main bar is not reserved at the bottom of the beam, and through the mode construction of bar planting, the bottom of the beam reinforcing bar is intensive, receives the unable pore-forming of guaranteeing once of influence of bottom of the beam reinforcing bar when boring bar planting hole, also can't guarantee the bar planting interval, makes engineering entity quality and apparent quality descend, and this kind of method still needs the strict control bar planting degree of depth, bar planting glue quality, still needs to draw the experiment to every layer of bar planting, ensures that the bar planting is qualified. In contrast, the traditional construction method is troublesome in construction, and has the problems of potential safety hazard and low construction efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a construction method of a constructional column steel bar, which is convenient to construct, cannot cause safety influence on the outside and can improve the construction efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
A constructional column steel bar construction method comprises the following steps:
(1) the method comprises the steps that a plurality of beam slab reinforcing steel bar fixing devices are obtained and comprise two threaded sleeves which are separated from each other and arranged at the same central line, connecting reinforcing steel bars which are arranged at the same central line as the two threaded sleeves are arranged between the two threaded sleeves, connecting studs are arranged at two ends of the connecting reinforcing steel bars in an extending mode along the central line direction of the connecting reinforcing steel bars respectively, the length of each connecting stud is smaller than that of each threaded sleeve, and the connecting studs are in threaded fit in the threaded sleeves on the sides of the connecting studs;
(2) respectively arranging corresponding beam plate reinforcing steel bar fixing devices in beam plate templates on the upper side and the lower side of a floor according to the construction positions and the quantity of constructional column reinforcing steel bars for pre-embedding, wherein in the pre-embedding process of the pre-embedded beam plate reinforcing steel bar fixing devices, one end, far away from a connecting reinforcing steel bar, of one threaded sleeve is placed on a beam plate bottom plate template where the threaded sleeve is located, the connecting reinforcing steel bar is vertically arranged and is bound and fixed with the beam plate reinforcing steel bars in the beam plate templates, the plane of the end face of one end, far away from the connecting reinforcing steel bar, of the other threaded sleeve is consistent with the upper surface of a beam plate to be poured, and the pipe orifice of one end, far away from the connecting reinforcing steel bar, of the threaded sleeve above the connecting reinforcing steel bar is plugged;
(3) Pouring beam plate concrete, removing the beam plate template after the beam plate concrete is solidified and molded, and dredging the blocked threaded sleeve;
(4) acquiring lower-layer constructional column main reinforcements, wherein lower fixing studs extend from the lower ends of the lower-layer constructional column main reinforcements along the central line direction of the lower-layer constructional column main reinforcements, each beam plate steel reinforcement fixing device positioned below a floor is correspondingly provided with one lower-layer constructional column main reinforcement, the lower-layer constructional column main reinforcements are in threaded connection with a threaded sleeve through the lower fixing studs, and lower-layer constructional column stirrups are installed after all the lower-layer constructional column main reinforcements are installed;
(5) obtain upper structure post owner muscle, the upper end of upper structure post owner muscle is provided with fixing stud along its central line direction extension, every beam slab reinforcing bar fixing device who is located the floor top corresponds and sets up an upper structure post owner muscle, upper structure post owner muscle is through last fixing stud threaded connection on the screw sleeve, treat that upper structure post owner muscle is fixed on the screw sleeve after, it is fixed rather than the upper end of the lower floor structure post owner muscle that corresponds to the lower extreme of upper structure post owner muscle to carry out the ligature, treat that all upper structure post owner muscle installation are accomplished and install upper structure post stirrup.
According to the invention, after the beam plate reinforcing steel bars are laid, the pre-buried beam plate reinforcing steel bar fixing device can be carried out according to the construction position of the construction constructional column reinforcing steel bars, wherein the connecting reinforcing steel bars and the beam plate reinforcing steel bars are bound and fixed, so that the impact on the pre-buried beam plate reinforcing steel bar fixing device in the beam plate pouring process can be avoided, and the position change of the pre-buried beam plate reinforcing steel bar fixing device can be avoided. After the beam slab is poured, the whole beam slab reinforcing steel bar fixing device is completely embedded in the beam slab and cannot protrude out of the beam slab, and safety influence on constructors cannot be caused in the later construction process. When the constructional column reinforcing steel bars are installed, the upper-layer constructional column main reinforcing steel bars and the lower-layer constructional column main reinforcing steel bars are arranged corresponding to the upper beam plate and the lower beam plate respectively, after the plugging of the threaded sleeves on the lower beam plate is dredged, the upper-layer constructional column main reinforcing steel bars and the lower-layer constructional column main reinforcing steel bars are in threaded connection with the corresponding threaded sleeves respectively, the upper-layer constructional column main reinforcing steel bars and the lower-layer constructional column main reinforcing steel bars are in bound connection with each other, and the constructional column reinforcing steel bars of the upper floor and the lower floor can form an integral structure through the connecting reinforcing steel bars in the beam plate reinforcing steel bar fixing device, so that the strength of the constructional column reinforcing steel bars is enhanced.
Preferably, the joint of the lower end of the main rib of the upper-layer constructional column and the upper end of the main rib of the lower-layer constructional column is positioned at one third of the height of the floor from bottom to top. The constructional column steel bar is stressed and can be bent at the middle position generally, and the joint of the upper-layer constructional column main bar and the lower-layer constructional column main bar is arranged at the lower position, so that the joint avoids bending deformation points and avoids damage.
Preferably, the positions of the end parts of the two ends of the connecting steel bar are respectively fixedly connected with annular baffle rings extending around the circumferential direction of the connecting steel bar, the connecting stud is sleeved with an elastic sealing gasket which is arranged with the connecting stud in the same center line, the projection of the elastic sealing gasket along the center line direction of the connecting stud is positioned in the projection of the annular baffle rings along the center line direction of the connecting stud, the elastic sealing gasket is abutted against the corresponding annular baffle rings, the projection of the threaded sleeve along the center line direction of the threaded sleeve is positioned in the projection of the elastic sealing gasket along the center line direction of the threaded sleeve, and the threaded sleeve is abutted against the corresponding elastic sealing gasket. Can improve the inside leakproofness of threaded bush, avoid permeating water downwards through the threaded bush is inside.
Preferably, the middle position of the connecting steel bar along the length direction is provided with an annular convex block around the circumferential direction, the annular convex block is provided with twisting surfaces, at least two surfaces of the twisting surfaces are parallel to each other and parallel to the central line of the connecting steel bar, and the pipe body of the threaded sleeve is provided with clamping surfaces, at least two surfaces of the clamping surfaces are parallel to each other and parallel to the central line of the threaded sleeve. The operator can conveniently use the tool to respectively act on the screwing surface and the clamping surface to enable the threaded sleeve to be screwed to compress the elastic sealing gasket.
In conclusion, the invention has the beneficial effects that: the invention has simple and convenient construction, avoids the occurrence of potential safety hazard and simultaneously improves the construction efficiency by pre-burying the floor slab steel bar fixing device when the beam slab is poured and respectively installing the upper half part and the lower half part of the constructional column steel bar.
Drawings
For purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings, in which:
fig. 1 is a schematic view illustrating an installation structure of a reinforcing bar of a construction column according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the construction method of the structural column reinforcement in the present embodiment includes the following steps:
(1) The method comprises the steps that a plurality of beam slab reinforcing steel bar fixing devices are obtained and comprise two threaded sleeves 1 which are separated from each other and arranged at the same central line, connecting reinforcing steel bars 2 which are arranged at the same central line as the two threaded sleeves 1 are arranged between the two threaded sleeves 1, two ends of each connecting reinforcing steel bar 2 are respectively provided with a connecting stud in an extending mode along the direction of the central line of each connecting reinforcing steel bar, the length of each connecting stud is smaller than that of each threaded sleeve 1, and each connecting stud is in threaded fit in the corresponding threaded sleeve 1 on the side where the connecting stud is located;
(2) respectively arranging corresponding beam plate reinforcing steel bar fixing devices in beam plate templates on the upper side and the lower side of a floor according to the construction positions and the quantity of constructional column reinforcing steel bars for pre-embedding, wherein in the pre-embedding process of the pre-embedded beam plate reinforcing steel bar fixing devices, one end, far away from a connecting steel bar 2, of one threaded sleeve 1 is placed on a beam plate bottom plate template where the threaded sleeve is located, the connecting steel bar 2 is vertically arranged and is bound and fixed with the beam plate reinforcing steel bars in the beam plate templates, the plane of the end face, far away from the connecting steel bar 2, of one end face of the other threaded sleeve 1 is consistent with the height of the upper surface of a corresponding beam plate to be poured, and the pipe orifice, far away from the connecting steel bar 2, of one end of the threaded sleeve 1 above the connecting steel bar 2 is plugged;
(3) pouring beam slab concrete, removing the beam slab template after the beam slab concrete is solidified and molded, and dredging the plugged threaded sleeve 1;
(4) Acquiring lower-layer constructional column main reinforcements 3, wherein lower fixing studs extend from the lower ends of the lower-layer constructional column main reinforcements 3 along the central line direction of the lower-layer constructional column main reinforcements, each beam plate steel bar fixing device positioned below a floor is correspondingly provided with one lower-layer constructional column main reinforcement 3, the lower-layer constructional column main reinforcements 3 are in threaded connection with a threaded sleeve 1 through the lower fixing studs, and lower-layer constructional column stirrups 4 are installed after all the lower-layer constructional column main reinforcements 3 are installed;
(5) obtain upper structure post owner muscle 5, the upper end of upper structure post owner muscle 5 extends along its central line direction and is provided with fixing stud, every beam slab reinforcing bar fixing device who is located the floor top corresponds and sets up an upper structure post owner muscle 5, upper structure post owner muscle 5 is on threaded sleeve 1 through last fixing stud threaded connection, treat upper structure post owner muscle 5 and fix on threaded sleeve 1 the back, it is fixed rather than the upper end of the lower floor structure post owner muscle 3 that corresponds to the lower extreme of upper structure post owner muscle 5 to carry out the ligature, it installs upper structure post stirrup 6 to treat that all upper structure post owner muscle 5 installation are accomplished the back.
In this embodiment, the connection between the lower end of the upper structural column main rib 5 and the upper end of the lower structural column main rib 3 is located at one third of the height of the floor from bottom to top.
In this embodiment, the two end portions of the connecting steel bar 2 are respectively and fixedly connected with an annular retaining ring 7 extending around the circumferential direction of the connecting steel bar, the connecting stud is sleeved with an elastic sealing gasket arranged along the same center line as the connecting stud, the projection of the elastic sealing gasket along the center line direction of the connecting stud is located in the projection of the annular retaining ring 7 along the center line direction of the connecting stud, the elastic sealing gasket abuts against the corresponding annular retaining ring 7, the projection of the threaded sleeve 1 along the center line direction of the threaded sleeve 1 is located in the projection of the elastic sealing gasket along the center line direction of the threaded sleeve 1, and the threaded sleeve 1 abuts against the corresponding elastic sealing gasket.
In this embodiment, the connecting reinforcement 2 is formed with an annular protrusion 8 around its circumference along the middle position of its length direction, the annular protrusion 8 is provided with a twisting surface with at least two surfaces parallel to each other and parallel to the central line of the connecting reinforcement 2, and the pipe body of the threaded sleeve 1 is provided with a clamping surface with at least two surfaces parallel to each other and parallel to the central line of the threaded sleeve 1.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A constructional column steel bar construction method is characterized in that: the method comprises the following steps:
(1) the method comprises the steps that a plurality of beam slab reinforcing steel bar fixing devices are obtained, the beam slab reinforcing steel bar fixing devices comprise two threaded sleeves which are separated from each other and arranged on the same central line, connecting reinforcing steel bars which are arranged on the same central line with the two threaded sleeves are arranged between the two threaded sleeves, connecting studs extend from two ends of the connecting reinforcing steel bars along the central line direction of the connecting reinforcing steel bars respectively, the length of each connecting stud is smaller than that of each threaded sleeve, and the connecting studs are in threaded fit in the threaded sleeves on the sides of the connecting studs;
the positions of the end parts of the two ends of the connecting steel bar are respectively fixedly connected with annular baffle rings extending around the circumferential direction of the connecting steel bar, the connecting stud is sleeved with an elastic sealing gasket which is arranged with the connecting stud in the same central line, the projection of the elastic sealing gasket along the central line direction of the connecting stud is positioned in the projection of the annular baffle rings along the central line direction of the connecting stud, the elastic sealing gasket is abutted against the corresponding annular baffle rings, the projection of the threaded sleeve along the central line direction of the threaded sleeve is positioned in the projection of the elastic sealing gasket along the central line direction of the threaded sleeve, and the threaded sleeve is abutted against the corresponding elastic sealing gasket;
(2) respectively arranging corresponding beam plate reinforcing steel bar fixing devices in beam plate templates on the upper side and the lower side of a floor according to the construction positions and the quantity of constructional column reinforcing steel bars for pre-embedding, wherein in the pre-embedding process of the pre-embedded beam plate reinforcing steel bar fixing devices, one end, far away from a connecting reinforcing steel bar, of one threaded sleeve is placed on a beam plate bottom plate template where the threaded sleeve is located, the connecting reinforcing steel bar is vertically arranged and is bound and fixed with the beam plate reinforcing steel bars in the beam plate templates, the plane of the end face of one end, far away from the connecting reinforcing steel bar, of the other threaded sleeve is consistent with the upper surface of a beam plate to be poured, and the pipe orifice of one end, far away from the connecting reinforcing steel bar, of the threaded sleeve above the connecting reinforcing steel bar is plugged;
(3) Pouring beam plate concrete, removing the beam plate template after the beam plate concrete is solidified and molded, and dredging the blocked threaded sleeve;
(4) acquiring lower-layer constructional column main reinforcements, wherein lower fixing studs extend from the lower ends of the lower-layer constructional column main reinforcements along the central line direction of the lower-layer constructional column main reinforcements, each beam plate steel reinforcement fixing device positioned below a floor is correspondingly provided with one lower-layer constructional column main reinforcement, the lower-layer constructional column main reinforcements are in threaded connection with a threaded sleeve through the lower fixing studs, and lower-layer constructional column stirrups are installed after all the lower-layer constructional column main reinforcements are installed;
(5) obtain upper structure post owner muscle, the upper end of upper structure post owner muscle is provided with fixing stud along its central line direction extension, every beam slab reinforcing bar fixing device who is located the floor top corresponds and sets up an upper structure post owner muscle, upper structure post owner muscle is through last fixing stud threaded connection on the screw sleeve, treat that upper structure post owner muscle is fixed on the screw sleeve after, it is fixed rather than the upper end of the lower floor structure post owner muscle that corresponds to the lower extreme of upper structure post owner muscle to carry out the ligature, treat that all upper structure post owner muscle installation are accomplished and install upper structure post stirrup.
2. The construction method of constructional column reinforcing steel as claimed in claim 1, wherein: and the joint of the lower end of the main rib of the upper-layer constructional column and the upper end of the main rib of the lower-layer constructional column is positioned at one third of the height of the floor from bottom to top.
3. The construction method of the constructional column reinforcing bar as set forth in claim 1, wherein: the connecting reinforcing steel bar is provided with an annular convex block around the circumferential protrusion of the connecting reinforcing steel bar along the middle position of the length direction of the connecting reinforcing steel bar, at least two twisting surfaces which are parallel to each other and parallel to the central line of the connecting reinforcing steel bar are arranged on the annular convex block, and at least two clamping surfaces which are parallel to each other and parallel to the central line of the threaded sleeve are arranged on the pipe body of the threaded sleeve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110319731.2A CN113006377B (en) | 2021-03-25 | 2021-03-25 | Constructional column steel bar construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110319731.2A CN113006377B (en) | 2021-03-25 | 2021-03-25 | Constructional column steel bar construction method |
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| CN113006377A CN113006377A (en) | 2021-06-22 |
| CN113006377B true CN113006377B (en) | 2022-07-29 |
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| CN113718999A (en) * | 2021-09-02 | 2021-11-30 | 上海建工七建集团有限公司 | Construction device and method for external filler wall end constructional column without peripheral protection |
| CN116771119A (en) * | 2023-08-22 | 2023-09-19 | 江苏省华建建设股份有限公司 | Connection construction method for embedded straight thread sleeve assembly of tie bar of concrete constructional column |
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| JP2005146582A (en) * | 2003-11-13 | 2005-06-09 | Hitachi Metals Ltd | Connection structure between reinforced column and steel frame beam, and method of manufacturing anchoring fitting |
| CN202689344U (en) * | 2012-05-11 | 2013-01-23 | 江苏时代建设工程有限公司 | Tensioning bar connecting device |
| CN106545086B (en) * | 2016-10-17 | 2019-03-05 | 华南理工大学 | A kind of steel bar regeneration monolith beam-column joint and its construction method |
| CN206308907U (en) * | 2016-12-05 | 2017-07-07 | 中建八局第一建设有限公司 | A kind of anchor reserved for reinforcing bar |
| US11384438B2 (en) * | 2017-07-07 | 2022-07-12 | Vector Remediation Ltd. | Cathodic corrosion protection system with rebar mounting assembly |
| CN110700420A (en) * | 2018-07-10 | 2020-01-17 | 周兆弟 | Prefabricated wall body and assembly structure of assembly type building and construction method of prefabricated wall body and assembly structure |
| CN110485646A (en) * | 2018-07-23 | 2019-11-22 | 李藏柱 | A kind of sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly |
| CN109296138B (en) * | 2018-11-02 | 2023-10-27 | 广西建工集团第三建筑工程有限责任公司 | Positioning device for post-planting steel bars of constructional column and construction method |
| CN209308283U (en) * | 2018-12-04 | 2019-08-27 | 浙江中天恒筑钢构有限公司 | A kind of non-post bar planting formula constructional column reinforcing steel bar connecting device and structure |
| CN110206230B (en) * | 2019-06-10 | 2023-05-16 | 上海建工四建集团有限公司 | Concrete column reinforcement cage and formwork system integrated structure and construction method |
| CN210828070U (en) * | 2019-08-01 | 2020-06-23 | 合肥铁川科技有限公司 | Rigid mechanical connection joint of prefabricated building component embedded steel bars |
| CN110424637A (en) * | 2019-08-13 | 2019-11-08 | 天津合嘉金工建筑工业有限公司 | Bar planting and attachment device inside pre-cast concrete walling |
| CN211923107U (en) * | 2020-03-18 | 2020-11-13 | 中建一局华江建设有限公司 | Formwork-supporting-free structure of constructional column in wall |
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