CN217557225U - Assembly plug-in type steel secondary beam and concrete main beam's connected node structure - Google Patents
Assembly plug-in type steel secondary beam and concrete main beam's connected node structure Download PDFInfo
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- CN217557225U CN217557225U CN202220739690.2U CN202220739690U CN217557225U CN 217557225 U CN217557225 U CN 217557225U CN 202220739690 U CN202220739690 U CN 202220739690U CN 217557225 U CN217557225 U CN 217557225U
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Abstract
The utility model discloses an assembly bayonet shaped steel secondary beam and concrete girder's connected node structure, it includes concrete girder and shaped steel secondary beam, the top reservation of concrete girder has the mounting groove, the outside of concrete girder corresponds the mounting groove and is connected with the installation template that is used for fixing a position the shaped steel secondary beam, be provided with the mounting hole on the installation template, the shape of mounting hole is identical with the cross sectional shape that the shaped steel secondary beam inserted the end, the shaped steel secondary beam passes the mounting hole and inserts to the mounting groove in, the mounting groove, be formed with open-top's the chamber that holds between the end of inserting of shaped steel secondary beam and the installation template, it has cement base grout layer to hold the intracavity packing. Through reserve the mounting groove on concrete girder and correspond the mounting groove and set up the installation template in the concrete outside, realize fixing the location of shaped steel secondary beam, fill cement base grout blanket in holding the chamber and fix the shaped steel secondary beam, realize the plug-in type shaped steel secondary beam of integrated configuration and concrete girder's connected node prefabricated ization, improve the efficiency of construction, reduce environmental pollution.
Description
Technical Field
The utility model belongs to the building field, specifically speaking relate to an assemble bayonet shaped steel secondary beam and concrete girder's connected node structure.
Background
The conventional method for connecting the profile steel secondary beam and the concrete main beam is that the profile steel secondary beam is directly supported on the side cantilever lugs of the concrete main beam, the stress of the connection mode is clear, the on-site formwork support is complex, the profile steel secondary beam can be hoisted after the concrete main beam is disassembled after the installation requirement of the profile steel secondary beam and the like reach certain strength, the construction period is long, and the net height and the attractiveness of a workshop are influenced.
Accordingly, further developments and improvements are still needed in the art.
SUMMERY OF THE UTILITY MODEL
To prior art's all sorts of not enough, in order to solve above-mentioned problem, now provide an assembly bayonet shaped steel secondary beam and concrete girder connected node structure, it sets up the installation template in the concrete outside through reserving the mounting groove on concrete girder and corresponding the mounting groove, the realization is to the location of shaped steel secondary beam, it fixes the shaped steel secondary beam to fill cement base grout blanket in holding the chamber, the connected node prefabricated of integrated configuration bayonet shaped steel secondary beam and concrete girder has been realized, the efficiency of construction is improved, and the environmental pollution is reduced.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an assembly bayonet shaped steel secondary beam and concrete girder's connected node structure, it includes concrete girder and shaped steel secondary beam, concrete girder's top is reserved has the mounting groove, concrete girder's the outside corresponds the mounting groove and is connected with the erection template that is used for fixing a position the shaped steel secondary beam, be provided with the mounting hole on the erection template, the shape of mounting hole is coincide with the cross sectional shape that the shaped steel secondary beam inserted the end, the shaped steel secondary beam passes the mounting hole and inserts to the mounting groove in, erection template and concrete girder, be formed with open-top's chamber that holds between the shaped steel secondary beam, it has cement base grout layer to hold the intracavity packing.
Further, the mounting groove is the L shape mounting groove that is located concrete girder top one side, and single shaped steel secondary beam passes the mounting hole and inserts to in the L shape mounting groove.
In another preferred technical scheme, the mounting groove is a square mounting groove running through two sides of the top of the concrete girder, two mounting templates are connected to two sides of the top of the concrete girder corresponding to the square mounting groove, two section steel secondary beams are positioned on the two mounting templates, and the two section steel secondary beams are symmetrically arranged on two sides of the middle position of the span of the concrete girder.
Furthermore, after the section steel secondary beam penetrates through the installation template and is inserted into the installation groove, the top surface of the section steel secondary beam main body and the top surface of the concrete main beam are located on the same plane.
Furthermore, the top of the insertion end of the section steel secondary beam is provided with a right-angle opening.
Further, the right-angle notch is formed by weakening all upper flanges and part of webs at the insertion end of the section steel secondary beam.
Further, the right-angle notch is formed by weakening an upper flange of the whole height of the insertion end of the section steel secondary beam and a web plate of one fourth of the height.
Furthermore, the insertion depth of the profile steel secondary beam into the concrete main beam is more than one third of the width of the concrete main beam and less than one half of the width of the concrete main beam.
Furthermore, a polytetrafluoroethylene coating is arranged on the outer surface of the insertion end of the section steel secondary beam.
Further, the thickness of the cement-based grouting layer is more than or equal to 20mm.
To sum up, the utility model discloses compare in prior art and have following beneficial effect:
(1) Set up the mounting groove and set up the installation template in its mounting groove outside and fix a position the shaped steel secondary beam through the nodal connection department at concrete girder, the mounting groove, it holds the chamber to form between inserting end and the installation template of shaped steel secondary beam, can effectively link up shaped steel secondary beam and concrete girder holding the cement base grout blanket that the intracavity was filled, the assembly plug-in connection of shaped steel secondary beam and concrete girder has been realized, it puts with choosing the ear to have saved to bury, the component mode is simple and be favorable to large-scale power plant factory building process piping arrangement, save space and the outward appearance is clean, the assembly of integrated configuration plug-in shaped steel secondary beam and concrete girder connected node has been realized, the efficiency of construction is improved, environmental pollution has been reduced.
(2) The outer surface of the insertion end of the section steel secondary beam is provided with a polytetrafluoroethylene coating, so that the connection node is ensured to have certain rotation capacity.
(3) The same height of the profile steel secondary beam and the top of the concrete main beam is kept, and floors with different heights are arranged at the later stage of convenience.
(4) The upper flange and the web plate of the insertion end of the section steel secondary beam are structurally weakened by the connecting joint, and the adverse effect of the insertion end of the section steel secondary beam on upper concrete in the stressed rotating process is reduced.
(5) The insertion mode can select two different situations that a single steel secondary beam is inserted into the concrete main beam on one side and a double steel secondary beam is symmetrically inserted into the concrete main beam on two sides so as to meet the actual requirements of engineering.
Drawings
FIG. 1 is a plan view showing a construction of a connection node for assembling a male type steel sub-girder and a concrete main girder in embodiment 1;
FIG. 2 isbase:Sub>A cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic view showing the structure of the installation form in embodiment 1;
FIG. 4 is a plan view showing a construction of a connection node for assembling the male type steel secondary beam and the concrete main beam in embodiment 2;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 4;
in the drawings: 100. a concrete main beam; 110. mounting grooves; 200. a profile steel secondary beam; 300. installing a template; 310. mounting holes; 320. a fixing hole; 400. and (4) a cement-based grouting layer.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following embodiments of the present invention are combined to make clear and complete description of the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the scope of protection of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limiting the invention.
Detailed description of the preferred embodiment 1
A connecting node structure for assembling an inserted type steel secondary beam and a concrete main beam comprises a concrete main beam 100 and a steel secondary beam 200, wherein a mounting groove 110 is reserved at the top of the concrete main beam 100, a mounting template 300 for positioning the steel secondary beam 200 is connected to the outer side of the concrete main beam 100 corresponding to the mounting groove 110, a mounting hole 310 is formed in the mounting template 300, the shape of the mounting hole 310 is matched with the cross section of an insertion end of the steel secondary beam 200, the steel secondary beam 200 penetrates through the mounting hole 310 and is inserted into the mounting groove 110, a top-opened accommodating cavity is formed among the mounting groove 110, the insertion end of the steel secondary beam 200 and the mounting template 300, and a cement-based grouting layer 400 is filled in the accommodating cavity. In this embodiment, the mounting template 300 is provided with a plurality of fixing holes 320, and the mounting template 300 is fixedly connected to the outer side surface of the concrete main beam 100 by means of cement nails penetrating through the fixing holes 320. In the actual construction process, a mounting groove 110 is reserved at the joint of the concrete main beam 100 by using a bubble section extruded plate.
Further, the installation groove 110 is an L-shaped installation groove 110 located on one side of the top of the concrete main beam 100, the single section steel secondary beam 200 passes through the installation hole 310 on the installation template 300 and is inserted into the L-shaped installation groove 110, and the cement-based grouting layer 400 is in a C-shaped structure corresponding to the single section steel secondary beam 200. In the actual construction process, the installation template 300 is fixed on the outer side surface of the concrete main beam 100 corresponding to the L-shaped installation groove 110 through cement nails, the single section steel secondary beam 200 passes through the installation hole 310 on the installation template 300 and is inserted into the L-shaped installation groove 110, cement-based grouting material is poured into an accommodation cavity formed among the section steel secondary beam 200, the concrete main beam 100 and the installation template 300, and a cement-based grouting layer 400 is formed after the cement-based grouting material is solidified. Because the cement-based grouting material has the characteristics of early strength, high fluidity, micro-expansion and the like, and the compression-fracture ratio is low and the flexibility is large, the formed cement-based grouting layer 400 is very suitable for the stress performance of the connection node of the concrete main beam 100 and the profile steel secondary beam 200.
Further, after the section steel secondary beam 200 passes through the installation template 300 and is inserted into the installation groove 110, the top surface of the main body of the section steel secondary beam 200 and the top surface of the main concrete beam 100 are on the same plane, so that floors with different heights can be arranged at a later stage.
Further, the top of the insertion end of the profile steel secondary beam 200 is provided with a right-angle notch, so that the adverse effect of the insertion end of the profile steel secondary beam 200 on the upper concrete is reduced.
Further, the right-angle notch is formed by weakening all upper flanges and part of the web plate of the insertion end of the section steel secondary beam 200.
Further, the right-angle opening is formed by weakening the upper flange of the whole height of the insertion end of the section steel secondary beam 200 and the web plate of one fourth of the height, so that the mechanical property of the connection node of the section steel secondary beam 200 and the concrete main beam 100 is not influenced, and the adverse influence of the insertion end of the section steel secondary beam 200 on the upper concrete in the stressed rotating process is reduced.
Further, the depth of insertion of the section steel secondary beam 200 into the concrete main beam 100 is greater than one third of the beam width of the concrete main beam 100 and less than one half of the beam width of the concrete main beam 100, so that the effective connection of the connection node of the section steel secondary beam 200 and the concrete main beam 100 is ensured.
Further, a polytetrafluoroethylene coating is arranged on the outer surface of the insertion end of the section steel secondary beam 200 to ensure that the connection node has certain rotation capacity.
Further, the thickness of the cement-based grout layer 400 is 20mm or more. Specifically, the length, width and height of the installation groove 110 are greater than or equal to 20mm corresponding to the length, width and height of the insertion end of the section steel secondary beam 200, so as to ensure that the section steel secondary beam 200 is normally assembled and inserted into the concrete main beam 100.
Specific example 2
The same parts of this embodiment as those of embodiment 1 are not described again, but the differences are as follows:
as shown in fig. 4 to 5, the mounting groove 110 is a square mounting groove 110 penetrating through two sides of the top of the concrete main beam 100, two mounting templates 300 are connected to two sides of the top of the concrete main beam 100 corresponding to the square mounting groove 110, two profile steel sub-beams 200 are positioned on the two mounting templates 300, the two profile steel sub-beams 200 are symmetrically arranged on two sides of the midspan position of the concrete main beam 100, and the cement-based grouting layer 400 is in an i-shaped structure corresponding to the two profile steel sub-beams 200. Through the arrangement, the condition that the two steel secondary beams are symmetrically inserted into the concrete main beam 100 is met.
The above detailed description of the present invention is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereto, i.e. all the equivalent changes and modifications made according to the scope of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides an assembly bayonet shaped steel secondary beam and concrete girder's connected node structure, a serial communication port, including concrete girder and shaped steel secondary beam, the top of concrete girder reserves the mounting groove, the outside of concrete girder corresponds the mounting groove and is connected with the erection template that is used for fixing a position the shaped steel secondary beam, be provided with the mounting hole on the erection template, the shape of mounting hole is identical with the cross-sectional shape that the shaped steel secondary beam inserted the end, the shaped steel secondary beam passes the mounting hole and inserts to the mounting groove in, the mounting groove, be formed with open-top's the chamber that holds between the end of inserting of shaped steel secondary beam and the erection template, it has cement base grout layer to hold the intracavity packing.
2. The structure of a joint of assembling the insertion-type steel secondary beam with the concrete main beam according to claim 1, wherein the installation groove is an L-shaped installation groove at one side of the top of the concrete main beam, and the single steel secondary beam passes through the installation hole and is inserted into the L-shaped installation groove.
3. The connection node structure for assembling the inserted type steel secondary beams and the main concrete beam according to claim 1, wherein the mounting grooves are square mounting grooves penetrating through two sides of the top of the main concrete beam, two mounting templates are connected to two sides of the top of the main concrete beam corresponding to the square mounting grooves, two steel secondary beams are positioned on the two mounting templates, and the two steel secondary beams are symmetrically arranged on two sides of the midspan position of the main concrete beam.
4. The connection node structure of the assembled plug-in type steel secondary beam and the concrete main beam according to any one of claims 1 to 3, wherein after the steel secondary beam passes through the installation template and is inserted into the installation groove, the top surface of the steel secondary beam main body and the top surface of the concrete main beam are on the same plane.
5. The connecting joint structure for assembling the plug-in type steel secondary beam and the concrete main beam according to claim 1, wherein a right-angle notch is formed in the top of the plug-in end of the steel secondary beam.
6. The structure of a connection node for assembling an inserted section steel secondary beam and a concrete main beam according to claim 5, wherein the right-angle notch is formed by weakening all upper flanges and part of a web plate at the insertion end of the section steel secondary beam.
7. The structure of a connection node for assembling an inserted section steel secondary beam and a concrete main beam according to claim 6, wherein the right-angle opening is formed by weakening an upper flange with the whole height and a web with the quarter height at the insertion end of the section steel secondary beam.
8. The structure of a connection node between an assembled plug-in type steel secondary beam and a concrete main beam according to claim 1, wherein the insertion depth of the steel secondary beam into the concrete main beam is greater than one third of the width of the concrete main beam and less than one half of the width of the concrete main beam.
9. The structure of a connection node of an assembled plug-in type steel secondary beam and a concrete main beam according to claim 1, wherein a polytetrafluoroethylene coating is arranged on the outer surface of the insertion end of the steel secondary beam.
10. The connection node structure of the assembled plug-in type steel secondary beam and the concrete main beam according to claim 1, wherein the thickness of the cement-based grouting layer is greater than or equal to 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739690.2U CN217557225U (en) | 2022-03-31 | 2022-03-31 | Assembly plug-in type steel secondary beam and concrete main beam's connected node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739690.2U CN217557225U (en) | 2022-03-31 | 2022-03-31 | Assembly plug-in type steel secondary beam and concrete main beam's connected node structure |
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| Publication Number | Publication Date |
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| CN217557225U true CN217557225U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220739690.2U Active CN217557225U (en) | 2022-03-31 | 2022-03-31 | Assembly plug-in type steel secondary beam and concrete main beam's connected node structure |
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| CN (1) | CN217557225U (en) |
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- 2022-03-31 CN CN202220739690.2U patent/CN217557225U/en active Active
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