CN110952655A - Method for connecting main beam and structural support - Google Patents
Method for connecting main beam and structural support Download PDFInfo
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- CN110952655A CN110952655A CN201911289859.8A CN201911289859A CN110952655A CN 110952655 A CN110952655 A CN 110952655A CN 201911289859 A CN201911289859 A CN 201911289859A CN 110952655 A CN110952655 A CN 110952655A
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- convex
- steel plate
- main beam
- steel
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a method for connecting a main beam and a structural support, which is characterized in that the main beam and the structural support are both in a convex shape and are connected by steel plate members; firstly, mass production of steel plate components; the steel plate member is convex: the convex steel plate members are provided with main beam steel bar holes and bolt connecting holes between the two steel plate members; prefabricating a convex main beam and a prefabricated structure support, wherein the area of the convex main beam and the prefabricated structure support are smaller than the sectional areas of the frame structure support and the prefabricated convex main beam; and (4) rapidly rotating nuts of the connecting bolts and pinching the bolts for rapid connection at the N connecting bolts on the construction site.
Description
Technical Field
The invention relates to a frame structure assembly type building system technology, in particular to a method for connecting a main beam and a structure support; this application is a division of the 201910577422.8 original application.
Background
The reinforced concrete assembled frame structure is a difficulty which is not overcome by the global assembled technology, and the popularization of the assembled building in China promotes the adjustment of the industrial structure of the building, improves the building quality, accelerates the construction speed, and realizes the energy conservation, environmental protection and the improvement of the building science and technology; however, the fabricated building of the reinforced concrete frame structure system is not widely used, and the common technology is that a common composite floor slab and a double-T plate floor slab are adopted; and because the beam column node, the superposed formation of the beam and the floor slab and the connection method of the member steel bar of the reinforced concrete frame structure assembly type building are not well solved, the original purpose of reducing the engineering cost in China is not realized, but the cost is increased, the ground gas is not generated, and the development of the assembly type building industry is seriously restricted.
Like inventor's "an assembly type building cavity floor" authorization notice No. CN106381951B, solved the weight of assembly type building floor, the super large area of floor component, transportation and construction hoist, the flexible connection problem of assembly type building cavity floor and girder, laid a foundation for the assembly type building floor.
In order to realize rigid connection of the assembly type building components, the inventor's ' assembly type prefabricated convex girder ', the authorized bulletin No. CN208777555U, changes the structural form of the girder, combines the traditional square beam and the wide flat beam into the prefabricated convex girder, not only solves the superposition form of the beam and the plate, but also realizes that the superposition height of the assembly type building beam and the plate is reduced to the minimum under the rigid connection state, thus leading the structure of the reinforced concrete frame structure assembly type building to be innovated and taking a key step.
In order to realize that no steel bar node exists at the beam-column intersection of the fabricated building with the reinforced concrete frame structure, the inventor discloses a building with a prefabricated reinforced concrete support, and the application number is 201811424448.0; the connection of the support and the beam is carried out from the negative bending moment point of the beam; the dream that no steel bar node exists at the beam column intersection is realized, and the world building problem that no steel bar node exists at the beam column intersection of the fabricated building with the reinforced concrete frame structure is solved; the invention gradually forms the technology of a reinforced concrete assembly type frame structure system, and because the inventor solves the key technology that the beam and floor slab superposition form and the beam column intersection have no reinforced bar node, the invention can save the construction of the frame structure system in the existing assembly type construction from a complicated and expensive assembly type shear wall structure system, and can also reduce the construction cost by more than 20 percent; however, the steel bar connection of each assembly type component can only adopt the connection mode of the prior art, such as: binding and connecting reinforcing steel bars, welding, mechanically connecting screw sleeves and connecting outer sleeves in a grouting manner; the binding connection and welding in the methods can not meet the standard requirements; the screw sleeve mechanical connection is characterized in that two fixed component steel bars cannot be connected in a rotating way; the grouting connection of the outer sleeves is very complicated and expensive, and the connection cost of the steel bars is very high.
At present, the technology of the assembly type building system of the reinforced concrete frame structure is gradually improved by the inventor for the first time, in order to further form a system technical system, a connecting method of a main beam and a structural support is researched, the invention uses convex-shaped steel plate members to achieve the purposes of simple steel bar connection, safe and reliable connection and best economical efficiency of each member of the reinforced concrete assembly type frame structure, and the invention becomes an urgent need for innovation in the technical field of the reinforced concrete assembly type frame structure building system.
Disclosure of Invention
The invention aims to form an autonomously developed reinforced concrete assembly type frame structure system technology, thoroughly solve the problems that no reinforcing steel bar node exists at the beam-column intersection of the assembly type frame structure and on the premise of a superposition mode of beams and a floor slab, mainly solve the problems of a reinforcing steel bar connection method and a connecting device between a support fulcrum of the frame structure and a convex beam, and transform and upgrade the existing assembly type building structure technology; adopting a method for connecting the main beam with the structural support, wherein the area of the convex steel plate component is smaller than the sectional areas of the frame structural support and the prefabricated convex main beam; the convex steel plate component is formed by combining a rectangular steel plate and a square steel plate; inserting N connecting bolts into two steel plate components at two ends of a prefabricated convex main beam and a prefabricated structure support, and rapidly rotating and pinching the connecting bolts to realize rapid and simple connection; the connecting technology of the existing reinforced concrete assembly type frame structure member is optimized, and a series of defects existing in a reinforcing steel bar connecting method and a connecting device of the existing assembly type building member are overcome.
The technical scheme of the invention is that the method for connecting the main beam and the structural support is characterized in that the main beam and the structural support are both in a convex shape and are connected by steel plate members;
the first step is as follows: mass-producing steel plate members; the steel plate member is convex: the convex steel plate members are provided with prefabricated convex main beam steel bar holes and bolt connecting holes between the two convex steel plate members; the area of the convex steel plate component is smaller than the sectional areas of the frame structure support and the prefabricated convex main beam; the convex steel plate component is formed by combining a rectangular steel plate and a square steel plate;
the second step is as follows: prefabricating a convex main beam, tapping screws at two ends of reinforcing steel bars of the convex main beam, sleeving all the reinforcing steel bars of the main beam into reinforcing steel bar holes of the convex steel plate member, fixing the reinforcing steel bars of the main beam and the convex steel plate member by nuts, and then pouring concrete, wherein the distance between the convex steel plate member and the later poured concrete is more than or equal to 20 mm;
the third step: prefabricating a structural support, wherein the structural support is in a diamond shape; the diamond-shaped end of the diamond-shaped structure support is the connecting end of the convex main beam and the structure support; a main beam steel bar is arranged between two straight water caltrops of the support with the rhombus structure; tapping threads at two ends of the main beam steel bar; sleeving all main beam steel bars at two right diamond ends of the structural support into main beam steel bar holes of the convex steel plate member, fixing the main beam steel bars and the convex steel plate member by nuts, and then pouring concrete, wherein the distance between the convex steel plate member and the later poured concrete is more than or equal to 20 mm;
the fourth step: and (3) transporting the prefabricated convex main beam and the prefabricated structure support to an assembly type construction engineering site, connecting the prefabricated convex main beam with the prefabricated structure support main beam steel bars according to a design and construction scheme, inserting N connecting bolts into the two steel plate members at the two ends of the prefabricated convex main beam and the prefabricated structure support, rapidly rotating nuts of the connecting bolts and pinching the bolts.
Another preferable embodiment of the present invention is that the steel plate member is a convex-shaped steel plate member; n groups of steel bar holes with the same layout as the structural support steel bars and girder steel bar holes with the same layout as the girder steel bars are prefabricated in the convex steel plate component.
Another preferable scheme of the invention is that N bolt connecting holes which are symmetrical to each other are prefabricated in the structural support steel plate component and the main beam connecting steel plate component.
Another preferable scheme of the invention is that a connecting bolt is inserted between the steel plate component of the structural support end and the steel plate component of the girder end, and the diameter of the connecting bolt is more than 20 mm.
The invention relates to a method for connecting a main beam and a structural support, which is characterized in that a column, a beam, a floor slab, a support and a wall which form a building in an integral structural design drawing are decomposed into a plurality of components on the basis of the structural design drawing of the building, the components with required specifications and models are produced according to the decomposed components in a factory, and the components are transported to an engineering site.
Drawings
Fig. 1 is a view showing an embodiment of a steel plate member for reinforcing bar connection of a frame structure beam according to the present invention.
FIG. 2 is an eye diagram of a steel plate member according to the present invention.
FIG. 3 is a view showing an embodiment of the present invention for connecting a steel plate member and a beam reinforcement.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a diagram of an embodiment of a steel plate member for connecting a support steel bar and a beam steel bar of a frame structure according to the present invention, when the present invention is implemented; determining the thickness of a convex steel plate 11 according to the pulling force born by the support pivot of the frame structure to be connected and the prefabricated convex main beam steel bar, wherein the area of the convex steel plate 11 is smaller than the cross-sectional area of the support of the frame structure and the beam; drilling a steel bar hole 15 and a connecting hole 13 between the two convex steel plates on the convex steel plates respectively according to the quantity of the support steel bars and the prefabricated convex main beam steel bars of the required connecting frame structure and the arrangement of steel bar binding positions; when the frame structure support and the prefabricated convex girder are produced, the convex steel plates are sleeved in the steel bars at the ends of the two members respectively, the steel bars 12 at the ends of the two members extend into the convex steel plates and then are provided with nuts, the convex steel plates are clamped by the two steel bars, then concrete is poured in a classified mode, and the frame structure support or the prefabricated convex girder 16 is built. When the components are transported to a construction site for high-efficiency connection, the required convex steel plate at the support fulcrum end of the frame structure and the convex steel plate at the end of the prefabricated convex main beam are connected, the connecting screw rod is plugged in the connecting hole 13 between the convex steel plates at two ends, the nut is tightly pinched to the limit by the knob, the frame structure support or the prefabricated convex main beam 16 is rapidly connected, and the frame of the reinforced concrete frame structure assembly type building is formed.
FIG. 2 is a hole pattern of a steel plate member according to the present invention, in which a convex upper square steel plate and a convex lower rectangular steel plate are welded to form a convex steel plate member 11, holes in the convex steel plate member include frame structure support steel bar holes 15 or prefabricated convex girder steel bar holes 15, and a connecting hole 13 for connecting the frame structure support convex steel plate and the two convex steel plate members of the prefabricated convex girder; the frame structure support rebar eye 15 or the prefabricated convex shaped spar rebar eye 15 are not necessarily both equal.
Fig. 3 is a diagram showing an embodiment of connection between a steel plate member and a beam steel bar according to the present invention, before prefabricating a convex-shaped main beam 111, the prefabricated convex-shaped main beam steel bar is inserted into a prefabricated convex-shaped main beam steel bar eyelet 15 drilled on a convex steel plate, wherein two prefabricated convex-shaped main beam steel bars are provided with a nut first; the reinforcing steel bars respectively extend into the convex steel plates 11 and then the nuts are screwed, and the convex steel plates 11 are clamped by two nuts which are two reinforcing steel bars with the nuts; in the same way, the reinforcing steel bars at the end points of the frame structure support 112 extend into the prefabricated convex main beam reinforcing steel bar eyelets 15 drilled on the convex steel plate, wherein two prefabricated convex main beam reinforcing steel bars are provided with nuts firstly; the reinforcing steel bars respectively extend into the convex steel plates 11 and then the nuts are screwed, and the convex steel plates are clamped by two nuts which are two reinforcing steel bars with the nuts; then pouring concrete to form a prefabricated convex girder with a convex steel plate at the end and a frame structure support 112; then transporting the prefabricated convex main beam 111 with the convex steel plate 11 and the frame structure support 112 to an engineering construction site for assembly; the connecting bolt rods 18 are inserted into the connecting holes 13 of the two convex steel plates 11 of the prefabricated convex girder 111 and the frame structure support 112, and the screw caps 19 of the connecting bolt rods 18 are rotated, so that the connecting member can be assembled on site efficiently, with high quality, high strength and low cost.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the specific embodiments of the present invention without departing from the spirit and scope of the present invention, and all modifications or equivalent substitutions should be covered by the claims of the present invention.
Claims (4)
1. A method for connecting a main beam with a structural support is characterized in that the main beam and the structural support are both in a convex shape and are connected by steel plate components;
the first step is as follows: mass-producing steel plate members; the steel plate member is convex: the convex steel plate members are provided with prefabricated convex main beam steel bar holes and bolt connecting holes between the two convex steel plate members; the area of the convex steel plate component is smaller than the sectional areas of the frame structure support and the prefabricated convex main beam; the convex steel plate component is formed by combining a rectangular steel plate and a square steel plate;
the second step is as follows: prefabricating a convex main beam, tapping screws at two ends of reinforcing steel bars of the convex main beam, sleeving all the reinforcing steel bars of the main beam into reinforcing steel bar holes of the convex steel plate member, fixing the reinforcing steel bars of the main beam and the convex steel plate member by nuts, and then pouring concrete, wherein the distance between the convex steel plate member and the later poured concrete is more than or equal to 20 mm;
the third step: prefabricating a structural support, wherein the structural support is in a diamond shape; the diamond-shaped end of the diamond-shaped structure support is the connecting end of the convex main beam and the structure support; a main beam steel bar is arranged between two straight water caltrops of the support with the rhombus structure; tapping threads at two ends of the main beam steel bar; sleeving all main beam steel bars at two right diamond ends of the structural support into main beam steel bar holes of the convex steel plate member, fixing the main beam steel bars and the convex steel plate member by nuts, and then pouring concrete, wherein the distance between the convex steel plate member and the later poured concrete is more than or equal to 20 mm;
the fourth step: and (3) transporting the prefabricated convex main beam and the prefabricated structure support to an assembly type construction engineering site, connecting the prefabricated convex main beam with the prefabricated structure support main beam steel bars according to a design and construction scheme, inserting N connecting bolts into the two steel plate members at the two ends of the prefabricated convex main beam and the prefabricated structure support, rapidly rotating nuts of the connecting bolts and pinching the bolts.
2. The method of claim 1, wherein the steel plate member is a convex steel plate member; n groups of steel bar holes with the same layout as the structural support steel bars and girder steel bar holes with the same layout as the girder steel bars are prefabricated in the convex steel plate component.
3. The method of claim 1, wherein the structural support steel plate member and the main beam connecting steel plate member are provided with N bolt connecting holes, wherein the N bolt connecting holes are symmetrically formed in the two steel plate members.
4. The method of claim 1, wherein a connecting bolt having a diameter greater than 20mm is inserted between the steel plate member of the structural support head and the steel plate member of the main beam head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289859.8A CN110952655A (en) | 2019-06-28 | 2019-06-28 | Method for connecting main beam and structural support |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910577422.8A CN110284591B (en) | 2019-06-28 | 2019-06-28 | Method for connecting main beam and structural support |
| CN201911289859.8A CN110952655A (en) | 2019-06-28 | 2019-06-28 | Method for connecting main beam and structural support |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910577422.8A Division CN110284591B (en) | 2019-06-28 | 2019-06-28 | Method for connecting main beam and structural support |
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| CN110952655A true CN110952655A (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911289859.8A Pending CN110952655A (en) | 2019-06-28 | 2019-06-28 | Method for connecting main beam and structural support |
| CN201911289886.5A Pending CN110952656A (en) | 2019-06-28 | 2019-06-28 | Method for connecting main beam and structural support |
| CN201910577422.8A Active CN110284591B (en) | 2019-06-28 | 2019-06-28 | Method for connecting main beam and structural support |
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| CN201911289886.5A Pending CN110952656A (en) | 2019-06-28 | 2019-06-28 | Method for connecting main beam and structural support |
| CN201910577422.8A Active CN110284591B (en) | 2019-06-28 | 2019-06-28 | Method for connecting main beam and structural support |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306426A (en) * | 2013-06-03 | 2013-09-18 | 北京工业大学 | Repairable high-ductility girder for connecting midspan bolt |
| CN107675799A (en) * | 2017-10-23 | 2018-02-09 | 武汉理工大学 | A kind of prefabricated concrete structure and construction method |
| CN107724528A (en) * | 2017-11-01 | 2018-02-23 | 大连理工大学 | One kind is used for the prefabricated overall beam column construction of " dry type " assembling concrete frame structure |
| CN108149827A (en) * | 2017-12-29 | 2018-06-12 | 湖南标迪夫节能科技有限公司 | The compound girt strip floor of assembled with prefabricated reinforced concrete bearing |
| CN207846653U (en) * | 2017-08-02 | 2018-09-11 | 广州宝塔金属制品有限公司 | A kind of glass room frame structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4342525A1 (en) * | 1993-12-15 | 1995-06-22 | Guenter Werner | Glass facade with a window |
| CN108252407A (en) * | 2017-12-29 | 2018-07-06 | 湖南标迪夫节能科技有限公司 | A kind of building with prefabricated reinforced concrete bearing |
-
2019
- 2019-06-28 CN CN201911289859.8A patent/CN110952655A/en active Pending
- 2019-06-28 CN CN201911289886.5A patent/CN110952656A/en active Pending
- 2019-06-28 CN CN201910577422.8A patent/CN110284591B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306426A (en) * | 2013-06-03 | 2013-09-18 | 北京工业大学 | Repairable high-ductility girder for connecting midspan bolt |
| CN207846653U (en) * | 2017-08-02 | 2018-09-11 | 广州宝塔金属制品有限公司 | A kind of glass room frame structure |
| CN107675799A (en) * | 2017-10-23 | 2018-02-09 | 武汉理工大学 | A kind of prefabricated concrete structure and construction method |
| CN107724528A (en) * | 2017-11-01 | 2018-02-23 | 大连理工大学 | One kind is used for the prefabricated overall beam column construction of " dry type " assembling concrete frame structure |
| CN108149827A (en) * | 2017-12-29 | 2018-06-12 | 湖南标迪夫节能科技有限公司 | The compound girt strip floor of assembled with prefabricated reinforced concrete bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110952656A (en) | 2020-04-03 |
| CN110284591A (en) | 2019-09-27 |
| CN110284591B (en) | 2021-04-16 |
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