CN112049250B - Method for processing steel bars of beam column joint for mounting embedded part of vibration isolator - Google Patents
Method for processing steel bars of beam column joint for mounting embedded part of vibration isolator Download PDFInfo
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- CN112049250B CN112049250B CN202010957931.6A CN202010957931A CN112049250B CN 112049250 B CN112049250 B CN 112049250B CN 202010957931 A CN202010957931 A CN 202010957931A CN 112049250 B CN112049250 B CN 112049250B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 91
- 239000010959 steel Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 76
- 238000004873 anchoring Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 abstract description 13
- 238000005457 optimization Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000004567 concrete Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- 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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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The application relates to a method for processing steel bars of beam column joints for mounting embedded parts of vibration isolators, which comprises the following steps: s1, optimizing the frame column reinforcing steel bars, reserving bent anchor reinforcing steel bars at corner points of the frame column, canceling the bent anchor reinforcing steel bars at non-corner points of the frame column, and changing the bent anchor reinforcing steel bars into straight anchor reinforcing steel bars, wherein the anchoring length of the straight anchor reinforcing steel bars anchored into the frame beam is not less than the standard requirement; s2, optimizing the frame beam reinforcing steel bars, disconnecting the through-length reinforcing steel bars of the frame beam at the positions of the embedded parts, and simultaneously anchoring the disconnected through-length reinforcing steel bars into the frame columns for a length not less than the specification requirement; and S3, adding a circle of reinforcing steel bars around the outline direction of the frame column at the top ends of the reinforcing steel bars of the frame column, and fixedly connecting the reinforcing steel bars with the reinforcing steel bars of the frame column. This application is through carrying out degree of depth optimization to frame post reinforcing bar tip and frame roof beam reinforcing bar, when both having satisfied design requirement and standard requirement, can guarantee the installation accuracy of built-in fitting again, makes the installation of built-in fitting reach the precision of design requirement.
Description
Technical Field
The application relates to the field of building vibration isolation, in particular to a method for processing steel bars of beam column joint for mounting of embedded parts of vibration isolators.
Background
At present, in a building provided with a vibration isolation layer, the whole reinforced concrete structure above and below the vibration isolation layer is disconnected, the vibration isolation layer and a damper are connected up and down through a tensile vibration isolator, and a floor plate is not arranged below the vibration isolation layer. The embedded part of the tensile vibration isolator is arranged in the frame column at the lower part of the vibration isolation layer. However, the frame column top longitudinal steel bar is according to the structure requirement, the longitudinal steel bar needs the bent anchor 15d (d is the diameter of the steel bar), because the frame column top bent anchor steel bar is densely arranged, and the frame beam through long steel bar passes through the frame column top, when the embedded part is installed, the anchor bar on the embedded part conflicts with the frame column bent anchor steel bar and the frame beam steel bar, and the embedded part installation cannot be carried out, therefore, a processing measure is needed to achieve the smooth installation of the embedded part.
Disclosure of Invention
In order to solve the technical problem that when an embedded part is installed, anchor bars on the embedded part conflict with bent anchor bars of a frame column and steel bars of a frame beam, and the embedded part cannot be installed, the application provides a method for processing the steel bars of beam column nodes for installing the embedded part of the vibration isolator.
The application provides a method for processing a steel bar of a beam column joint for mounting a vibration isolator embedded part, which adopts the following technical scheme:
a method for processing reinforcing steel bars of beam column joints for mounting embedded parts of vibration isolators comprises the following steps:
s1, optimizing the frame column reinforcing steel bars, reserving bent anchor reinforcing steel bars at corner points of the frame column, canceling the bent anchor reinforcing steel bars at non-corner points of the frame column, and changing the bent anchor reinforcing steel bars into straight anchor reinforcing steel bars, wherein the anchoring length of the straight anchor reinforcing steel bars anchored into the frame beam is not less than the standard requirement;
s2, optimizing the frame beam reinforcing steel bars, disconnecting the through-length reinforcing steel bars of the frame beam at the positions of the embedded parts, and simultaneously anchoring the disconnected through-length reinforcing steel bars into the frame columns for a length not less than the specification requirement;
and S3, adding a circle of reinforcing steel bars around the outline direction of the frame column at the top ends of the reinforcing steel bars of the frame column, and fixedly connecting the reinforcing steel bars with the reinforcing steel bars of the frame column.
By adopting the technical scheme, the bent anchor steel bars of the frame column are cancelled, so that the interference between the bent anchor steel bars and the anchor steel bars of the embedded part is avoided when the embedded part is installed, and the reinforcing steel bars are additionally arranged to serve as the bent anchor steel bars, so that the anchoring strength and the structural stability of the frame column steel bars are ensured;
the through-length steel bars of the frame beam are disconnected at the position of the embedded part, and the anchoring length of the through-length steel bars is met, so that the through-length steel bars can be conveniently adjusted when the anchor bars of the embedded part interfere with the through-length steel bars; by carrying out depth optimization on the end parts of the frame column reinforcing steel bars and the frame beam reinforcing steel bars, the mounting precision of the embedded part can be ensured while the design requirements and the standard requirements are met, so that the mounting of the embedded part reaches the precision of the design requirements.
Optionally, after step S3, positioning and installing the embedded part, and if the disconnected through-length steel bar interferes with the anchor bars of the embedded part, adjusting the position of the disconnected through-length steel bar to give way for the anchor bars.
Optionally, before the reinforcing steel bar is installed, the embedded part is positioned and installed, if the disconnected through-length steel bar interferes with the anchor bar of the embedded part, the position of the disconnected through-length steel bar is adjusted, and the anchor bar is abducted.
Through adopting above-mentioned technical scheme, conveniently adjust the reinforcing bar of frame post.
Optionally, in step S1, when the bent anchor steel bar at the corner of the frame column collides with the anchor steel bar of the embedded part, the bent anchor steel bar at the corner is cancelled, and the end of the corresponding steel bar is subjected to rib welding.
Through adopting above-mentioned technical scheme, cancel curved anchor reinforcing bar on the one hand, can let a position for the installation of built-in fitting, guarantee the precision of built-in fitting installation, the installation of the later stage isolator of being convenient for, on the other hand is through setting up group strip welding, guarantees the anchor strength of frame post reinforcing bar.
Optionally, when the rib welding is single-side welding, the welding length is 5d, when the rib welding is double-side welding, the welding length is 3d, and d is the diameter of the frame column steel bar.
Through adopting above-mentioned technical scheme, satisfy the anchor strength of frame post reinforcing bar.
Optionally, in step S2, if the length of the through-length steel bar extending into the frame column meets the anchoring length and passes through the center line of the frame column, the through-length steel bar is not processed;
if the length that leads to long reinforcing bar and stretch into in the frame post satisfies anchor length and does not pass through the central line of frame post, then increase a horizontal muscle in the one end that leads to long reinforcing bar anchor to go into the frame post, horizontal muscle is fixed with many logical long reinforcing bar connections.
By adopting the technical scheme, the anchoring strength of the full-length steel bar after the full-length steel bar is disconnected is met.
Optionally, in step S1, the anchoring length of the straight anchor bar is not less than 0.5LaE, where LaE is the minimum anchoring length of the longitudinal tension bar.
Optionally, the distance between the end of the frame column steel bar and the base plate of the embedded part is not less than 100 mm.
Through adopting above-mentioned technical scheme, provide sufficient installation space for frame roof beam framework of steel reinforcement on the one hand, on the other hand satisfies concrete protection layer thickness requirement.
In summary, the present application includes at least one of the following beneficial technical effects:
according to the method, the bent anchor steel bars of the frame column are cancelled, so that the bent anchor steel bars are prevented from interfering with the anchor steel bars of the embedded part when the embedded part is installed, and the reinforcing steel bars are additionally arranged to serve as the bent anchor steel bars, so that the anchoring strength and the structural stability of the frame column steel bars are ensured;
the through-length steel bars of the frame beam are disconnected at the position of the embedded part, and the anchoring length of the through-length steel bars is met, so that the through-length steel bars can be conveniently adjusted when the anchor bars of the embedded part interfere with the through-length steel bars; by carrying out depth optimization on the end parts of the frame column reinforcing steel bars and the frame beam reinforcing steel bars, the mounting precision of the embedded part can be ensured while the design requirements and the standard requirements are met, so that the mounting of the embedded part reaches the precision of the design requirements.
Drawings
Fig. 1 is a schematic cross-sectional view of a protruding frame column rebar.
Fig. 2 is a cross-sectional view of a protruding frame beam rebar.
Fig. 3 is a schematic cross-sectional view of a reinforcing bar installed on a frame post.
Fig. 4 is a schematic view of an isolator mounting structure.
Description of reference numerals: 1. a frame column; 11. bending anchor steel bars; 12. directly anchoring the steel bars; 13. frame column reinforcing steel bars; 2. a frame beam; 21. passing through long steel bars; 3. horizontal ribs; 4. reinforcing the steel bar; 5. embedding parts; 6. and a vibration isolator.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a method for processing steel bars of beam column joint for mounting of embedded parts of vibration isolators. The method comprises the following steps:
s1, referring to FIG. 1, optimizing the frame column reinforcing steel bars 13, keeping the bent anchor reinforcing steel bars 11 at the corner points of the frame column 1, canceling the bent anchor reinforcing steel bars 11 at the non-corner points of the frame column 1 and changing the bent anchor reinforcing steel bars 11 into straight anchor reinforcing steel bars 12, wherein the anchoring length of the straight anchor reinforcing steel bars 12 anchored into the frame beam 2 is not less than the specification requirement, in the example, the anchoring length of the straight anchor reinforcing steel bars 12 into the frame beam 2 is not less than 0.5LaE, LaE is the minimum anchoring length of longitudinal tensile reinforcing steel bars, and the length of the ends of the frame column reinforcing steel bars 13 from the base plate of the embedded part 5 is not less than 100mm, so that on one hand, enough installation space is provided for the reinforcement framework of the frame beam 2, and on the other hand, the requirement of the thickness of a concrete protective layer is met.
S2, referring to fig. 2, the reinforcing steel bars of the frame beam 2 are optimized, the through-length reinforcing steel bars 21 of the frame beam 2 are cut off at the position of the embedded part 5, and the length of the cut through-length reinforcing steel bars 21 anchored into the frame column 1 is not less than the specification requirement, in this example, the length of the through-length reinforcing steel bars 21 anchored into the frame column 1 is not less than 1.0 LaE.
In addition, if the length of the through-length steel bar 21 of the beam anchored in the frame column 1 is not less than 1.0LaE, and the through-length steel bar 21 does not pass through the center line of the frame column 1, a horizontal bar 3 is added at one end of the through-length steel bar 21 anchored in the frame column 1, the specification of the horizontal bar 3 is the same as that of the through-length steel bar 21, and the horizontal bar 3 is welded and fixed with a plurality of through-length steel bars 21.
If the length of the through-length steel bar 21 extending into the frame column 1 meets the anchoring length requirement and passes through the center line of the frame column 1, the through-length steel bar 21 is not processed.
S3, referring to fig. 3, a circle of reinforcing steel bar 4 is added on the top end of the frame column 1 around the outline direction of the frame column 1, the reinforcing steel bar 4 is in accordance with the specification of the frame column steel bar 13, the reinforcing steel bar 4 is connected with the frame column steel bar 13 by spot welding, and by arranging the reinforcing steel bar 4, the anchoring length of the frame column steel bar 13 is increased, which is equivalent to increasing the stability of the structure.
Referring to fig. 4, after the reinforcing steel bars 4 are installed, the embedded parts 5 are installed and positioned, the installation positions of the embedded parts 5 are positioned according to control lines on floors, the embedded parts 5 are installed to corresponding positions, and the anchor bars of the embedded parts 5 are welded and fixed to the stirrups of the frame beams 2 and the frame columns 1 respectively through the connecting bars.
In addition, the installation of the embedded part 5 can also be carried out before the installation of the reinforcing steel bars 4, the steel bars of the frame column 1 are conveniently adjusted, and during installation, if the disconnected through long steel bars 21 interfere with anchor bars of the embedded part 5, the position of the disconnected through long steel bars 21 is adjusted to give way for the anchor bars, so that the installation accuracy of the embedded part 5 is ensured.
When the embedded part 5 is installed, if the anchor bars of the embedded part 5 conflict with the bent anchor bars 11 of the frame column 1, the bent anchor bars 11 at the corner points are cancelled, and the rib welding is performed on the end parts of the corresponding steel bars, when the rib welding is single-side welding, the welding length is 5d, when the rib welding is double-side welding, the welding length is 3d, and d is the diameter of the frame column steel bars 13. On the one hand, the bent anchor steel bars 11 are eliminated, the installation of the embedded part 5 can be avoided, the installation precision of the embedded part 5 is guaranteed, the installation of the vibration isolator 6 in the later period is facilitated, and on the other hand, the anchoring strength of the frame column steel bars 13 is guaranteed by arranging the rib welding.
This application is through carrying out degree of depth optimization to 13 tip of frame post reinforcing bars and 2 reinforcing bars of frame roof beam, when both having satisfied design requirement and standard requirement, can guarantee the installation accuracy of built-in fitting 5 again, makes the installation of built-in fitting 5 reach the accuracy of design requirement.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. A method for processing reinforcing steel bars of beam column joints for mounting embedded parts of vibration isolators is characterized by comprising the following steps:
s1, optimizing the frame column reinforcing steel bars (13), reserving bent anchor reinforcing steel bars (11) at the corner points of the frame column (1), canceling the bent anchor reinforcing steel bars (11) at the non-corner points of the frame column (1), and changing the bent anchor reinforcing steel bars into straight anchor reinforcing steel bars (12), wherein the anchoring length of the straight anchor reinforcing steel bars (12) anchored into the frame beam (2) is not less than the specification requirement, and the length of the ends of the frame column reinforcing steel bars (13) from a base plate of the embedded part (5) is not less than 100 mm; the anchoring length of the straight anchoring steel bar (12) is not less than 0.5LaE, and the LaE is the minimum anchoring length of the longitudinal tension steel bar;
s2, reinforcing steel bars of the frame beam (2) are optimized, the through long reinforcing steel bars (21) of the frame beam (2) are disconnected at the position of the embedded part (5), meanwhile, the length of the disconnected through long reinforcing steel bars (21) anchored into the frame column (1) is not less than 1.0LaE, and the LaE is the minimum anchoring length of the longitudinal tension reinforcing steel bars;
s3, adding a circle of reinforcing steel bars (4) at the top end of the frame column steel bars (13) around the outline direction of the frame column (1), wherein the frame column steel bars (13) are positioned outside the circles of the reinforcing steel bars (4), the reinforcing steel bars (4) are connected with the frame column (1) through spot welding, and the specifications of the reinforcing steel bars (4) and the frame column steel bars (13) are consistent;
after the step S3, positioning and installing the embedded part (5), positioning the installation position of the embedded part (5) according to a control line on a floor, installing the embedded part (5) to a corresponding position, respectively welding and fixing the anchor bars of the embedded part (5) with the stirrups of the frame beam (2) and the frame column (1) through connecting bars, and if the disconnected full-length steel bars (21) interfere with the anchor bars of the embedded part (5), adjusting the position of the disconnected full-length steel bars (21) to give way for the anchor bars; or
The installation of embedded part (5) is carried out before reinforcing steel bar (4) is installed, the steel bar of frame post (1) is conveniently adjusted, and during installation, if disconnected full-length steel bar (21) interferes with the anchor bar of embedded part (5), the position of disconnected full-length steel bar (21) is adjusted to give way for the anchor bar.
2. The method for processing the reinforcing steel bars for the beam-column joint of the embedded part installation of the vibration isolator as claimed in claim 1, wherein the method comprises the following steps: before the reinforcing steel bars (4) are installed, the embedded parts (5) are positioned and installed, and if the broken through long steel bars (21) interfere with anchor bars of the embedded parts (5), the positions of the broken through long steel bars (21) are adjusted to give way for the anchor bars.
3. The method for processing the reinforcing steel bars for the beam-column joint of the embedded part installation of the vibration isolator as claimed in claim 1, wherein the method comprises the following steps: and in the step S1, when the bent anchor steel bars (11) at the corner points of the frame column (1) conflict with the anchor steel bars of the embedded part (5), the bent anchor steel bars (11) at the corner points are cancelled, and the end parts of the corresponding steel bars are subjected to rib welding.
4. The method for processing the reinforcing steel bars for the beam-column joint of the embedded part installation of the vibration isolator as claimed in claim 3, wherein the method comprises the following steps: when the side bar welding is single-side welding, the welding length is 5d, when the side bar welding is double-side welding, the welding length is 3d, and d is the diameter of the frame column steel bar (13).
5. The method for processing the reinforcing steel bars for the beam-column joint of the embedded part installation of the vibration isolator as claimed in claim 1, wherein the method comprises the following steps: in the step S2, if the length of the through-length steel bar (21) extending into the frame column (1) meets the anchoring length and passes through the center line of the frame column (1), the through-length steel bar (21) is not processed;
if the length of the through long steel bars (21) extending into the frame column (1) meets the anchoring length and does not pass through the center line of the frame column (1), one horizontal bar (3) is additionally arranged at one end of the through long steel bars (21) anchored into the frame column (1), and the horizontal bar (3) is fixedly connected with the plurality of through long steel bars (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010957931.6A CN112049250B (en) | 2020-09-12 | 2020-09-12 | Method for processing steel bars of beam column joint for mounting embedded part of vibration isolator |
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| CN202010957931.6A CN112049250B (en) | 2020-09-12 | 2020-09-12 | Method for processing steel bars of beam column joint for mounting embedded part of vibration isolator |
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| CN112049250B true CN112049250B (en) | 2021-12-17 |
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| CN113802697A (en) * | 2021-08-31 | 2021-12-17 | 中冶(上海)钢结构科技有限公司 | Machining and embedding method for steel structure embedded part in dense steel bar area |
| CN114658126B (en) * | 2022-04-13 | 2024-02-27 | 北京天润建设有限公司 | Construction method of wall body and damper connection structure |
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2020
- 2020-09-12 CN CN202010957931.6A patent/CN112049250B/en active Active
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| JP2008088636A (en) * | 2006-09-29 | 2008-04-17 | Tokyu Construction Co Ltd | Joint structure of column and beam |
| CN101333825A (en) * | 2008-08-06 | 2008-12-31 | 北京首钢建设集团有限公司 | High-rise building frame supported sectional steel concrete girder-like structural transfer floor construction method |
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