CN211817014U - Concrete beam and girder steel connected node structure - Google Patents
Concrete beam and girder steel connected node structure Download PDFInfo
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- CN211817014U CN211817014U CN202020303890.4U CN202020303890U CN211817014U CN 211817014 U CN211817014 U CN 211817014U CN 202020303890 U CN202020303890 U CN 202020303890U CN 211817014 U CN211817014 U CN 211817014U
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Abstract
The utility model relates to the technical field of building construction, and discloses a concrete beam and steel beam connecting node structure which is used for connecting a concrete beam and a steel beam and comprises two steel beam seat plates which are oppositely arranged and a connecting rod which is horizontally arranged between the two steel beam seat plates; two ends of the connecting rod are respectively fixedly connected with the two steel beam seat plates; one plate surface of each steel beam seat plate is flush with one side vertical surface of the concrete beam, the other surfaces are embedded in the concrete beam, and GCL waterproof pads are laid on the surfaces of the steel beam seat plates embedded in the concrete beam respectively; the utility model directly completes the positioning of the steel beam embedded part after the reinforcement cage of the concrete beam is placed in the template, thereby greatly reducing the positioning difficulty; the utility model prevents water from permeating into the concrete beam from the gap between the steel beam base plate and the concrete beam by wrapping the GCL waterproof pad; the utility model discloses a coating paraffin has avoided the concrete pollution built-in fitting.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a concrete beam and girder steel connected node structure.
Background
The structures of crane beams and working platform beams in plants, floor beams in multi-story buildings, purlins in roof structures and the like are usually steel beams, two ends of each steel beam are connected to concrete beams or walls, embedded parts are required to be embedded in the connecting positions, and then the steel beams are fixed on the embedded parts.
A girder steel built-in fitting for connecting concrete beam and girder steel includes a girder steel bedplate usually, is provided with the anchor bar on the girder steel bedplate, and the anchor bar welds on the steel reinforcement cage of concrete beam, pours after the welding is accomplished. However, when the anchor bars are welded, the plate surface of the steel beam seat plate needs to be aligned with the side vertical surface of the concrete beam which does not exist, and the positioning is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model provides a concrete beam and girder steel connected node structure.
The technical problem to be solved is that: the steel beam embedded part used for connecting the concrete beam and the steel beam is difficult to position when being welded on the steel reinforcement cage.
In order to solve the technical problem, the utility model adopts the following technical scheme: a concrete beam and steel beam connecting joint structure is used for connecting a concrete beam and an I-shaped steel beam and comprises an embedded part embedded in the concrete beam and double lug plates arranged on the parts of the embedded part exposed outside the concrete beam;
the embedded part comprises two steel beam base plates which are arranged oppositely and a connecting rod which is horizontally arranged between the two steel beam base plates; two ends of the connecting rod are respectively fixedly connected with the two steel beam base plates;
one plate surface of each steel beam seat plate is flush with one side vertical surface of the concrete beam, the other surfaces of each steel beam seat plate are embedded in the concrete beam, and GCL waterproof pads are laid on the surfaces of the steel beam seat plates embedded in the concrete beam respectively;
each connecting rod is divided into two sections of rod bodies which are connected end to end, and a socket are respectively arranged at the contact positions of the two sections of rod bodies; the inserting opening is in a drawing pin shape, and the diameter of the pin cap is larger than that of the connecting rod; the bellmouth is a cylinder with a concave pit matched with the socket at one end, and the diameter of the cylinder is larger than that of the connecting rod; the two sections of rod bodies are connected through sockets and spigot sockets;
the double-lug plate is arranged on the surface of the steel beam base plate exposed outside the concrete beam and is fixedly connected with the steel beam base plate; the flange plate level of I-steel roof beam sets up, the web clamp of I-steel roof beam is between two boards of ears board to can dismantle with the ears board through the bolt and be connected.
Further, the girder steel bedplate is the rectangle steel sheet that thickness is not less than 1cm, and the long limit of steel sheet face sets up with ground vertical.
Furthermore, the connecting rod is perpendicular to the steel beam base plate and is connected with the steel beam base plate through hole plug welding, and the minimum distance between the connecting position and the edge of the steel beam base plate is not less than 2 cm; the bell mouth of the connecting rod is in interference fit with the socket; the connecting rod is bound and connected with a reinforcement cage of the concrete beam through binding wires.
Furthermore, the connecting rods are ribbed steel bars with nominal diameter not less than 1cm, and 4 connecting rods arranged in a matrix shape are arranged between every two opposite steel beam base plates.
Furthermore, a paraffin layer is laid on the surface of the steel beam base plate exposed outside the concrete beam.
Further, the thickness of each plate in the double-lug plate is not less than 8mm, and the double-lug plate is in full-weld connection with the steel beam base plate.
Furthermore, the GCL waterproof pad is connected with the steel beam seat plate in a gluing mode.
The utility model relates to a concrete beam and girder steel connected node structure compares with prior art, has following beneficial effect:
the utility model is provided with two steel beam seat plates which are supported on the template of the concrete beam; after the reinforcement cage of the concrete beam is placed in the template, the positioning of the steel beam embedded part is directly finished, so that the positioning difficulty is greatly reduced;
the GCL waterproof pad is wrapped on the steel beam seat plate, so that moisture is prevented from permeating into the concrete beam from a gap between the steel beam seat plate and the concrete beam;
the utility model discloses a expose at the girder steel bedplate and coat paraffin on the face outside the concrete beam, avoided this face of concrete pollution, convenient subsequent welding operation.
Drawings
Fig. 1 is a schematic structural view of a connection node structure of a concrete beam and a steel beam of the present invention;
FIG. 2 is a front view of the structure of FIG. 1 with the concrete beam removed;
FIG. 3 is a left side view of the structure of FIG. 1 with the concrete beam removed;
FIG. 4 is a top view of the structure of FIG. 1 with the concrete beam removed;
the novel combined type waterproof structure comprises a steel beam base plate 1, a GCL waterproof pad 2, a connecting rod 3, a socket 31, a socket 32, a double-lug plate 4, an I-shaped steel beam 5 and a concrete beam 6.
Detailed Description
As shown in fig. 1 to 4, a concrete beam and steel beam connection node structure for connecting a concrete beam 6 and an i-beam 5 includes an embedded part embedded in the concrete beam 6, and a double-lug plate 4 disposed at a portion of the embedded part exposed outside the concrete beam 6;
the embedded part comprises two steel beam base plates 1 which are arranged oppositely and a connecting rod 3 which is horizontally arranged between the two steel beam base plates 1; two ends of the connecting rod 3 are respectively fixedly connected with the two steel beam seat boards 1;
one plate surface of each steel beam seat plate 1 is flush with one side vertical surface of the concrete beam 6, the other surfaces are embedded in the concrete beam 6, and GCL waterproof pads 2 are laid on the surfaces of the steel beam seat plates 1 embedded in the concrete beam 6 respectively; the GCL waterproof pad 2 can prevent external moisture from permeating into the concrete beam 6 from the joint, and can play a drying effect when the air humidity is high, so that rust prevention of steel members is facilitated;
each connecting rod 3 is divided into two sections of rod bodies which are connected end to end, and a socket 31 and a socket 32 are respectively arranged at the contact positions of the two sections of rod bodies; the socket 32 is in a drawing pin shape, and the diameter of the pin cap is larger than that of the connecting rod 3; the bell mouth 31 is a cylinder with a concave pit matched with the socket 32 at one end, and the diameter of the cylinder is larger than that of the connecting rod 3; the two sections of rod bodies are connected in a socket way through a bell mouth 31 and a spigot 32; the connecting rod 3 arranged in this way is convenient for installing the embedded part, and meanwhile, the expanded joint is not only beneficial to enhancing the connection strength, but also has the anchoring effect;
the double-lug plate 4 is arranged on the surface of the steel beam base plate 1 exposed outside the concrete beam 6 and is fixedly connected with the steel beam base plate 1; the flange plate of the I-shaped steel beam 5 is horizontally arranged, and the web plate of the I-shaped steel beam 5 is clamped between the two plates of the double lug plates 4 and is detachably connected with the double lug plates 4 through bolts.
The steel beam bedplate 1 is a rectangular steel plate with the thickness not less than 1cm, and the long edge of the steel plate surface is perpendicular to the ground.
The connecting rod 3 is perpendicular to the steel beam seat plate 1 and is connected with the steel beam seat plate 1 through the perforation plug welding, the minimum distance between the connecting position and the edge of the steel beam seat plate 1 is not less than 2cm, the shearing resistance/shearing resistance strength of the welding seam of the perforation plug welding connection is large, and the steel beam seat plate 1 can be prevented from falling off;
the bell mouth 31 of the connecting rod 3 is in interference fit with the socket 32 so as to increase the tensile strength of the connecting part; connecting rod 3 is connected through the steel reinforcement cage ligature of pricking silk and concrete beam 6 to being askew by dashing when concrete beam 6 is pour in the built-in fitting, it is also feasible certainly to weld or connect with the staple bolt, nevertheless the utility model discloses well girder steel bedplate 1 has been restricted an ascending displacement of side by concrete beam 6's template, and fixed difficulty is not high, can accomplish the fixed of built-in fitting with simple and easy bundle silk.
Connecting rod 3 is the ribbed steel bar that nominal diameter is not less than 1cm, sets up 4 connecting rods 3 that are the matrix and arrange between per two relative girder steel bedplate 1.
The thickness of each plate in the double-lug plate 4 is not less than 8mm, and the double-lug plate 4 is in full-welding connection with the steel beam base plate 1.
The GCL waterproof pad 2 is connected with the steel beam base plate 1 in a gluing mode so as to prevent the GCL waterproof pad from being washed away by concrete during pouring.
In the embodiment, the use process of the concrete beam and steel beam connecting joint structure comprises the following steps:
step one, after the reinforcement cage of the concrete beam 6 is bound, taking the embedded part which is qualified in flaw detection and disclosed by the utility model, respectively arranging two parts of the embedded part at two sides of the reinforcement cage of the concrete beam 6, aligning the bell mouth 31 and the socket 32, and connecting the two parts into a whole;
step two, after the template of the concrete beam 6 is installed, adjusting the position of the steel beam base plate 1, and fixing the steel beam base plate with binding wires after the adjustment is finished;
step three, pouring of the concrete beam 6 is completed;
and step four, after the concrete beam 6 is demoulded, scraping off paraffin on the steel beam base plate 1, welding the double lug plates 4 on the steel beam base plate 1 and carrying out flaw detection, and then after the concrete beam 6 is hoisted, connecting the I-shaped steel beam 5 with the double lug plates 4.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the ordinary skilled person in the art can modify and improve the technical solution of the present invention without departing from the design spirit of the present invention, including applying the present invention to concrete members other than concrete beams, and all should fall within the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a concrete beam and girder steel connected node structure for connect concrete beam (6) and I-steel roof beam (5), the characterized in that of concrete beam and girder steel connected node structure: the concrete beam embedded double-lug plate comprises an embedded part embedded in a concrete beam (6) and double lug plates (4) arranged on the parts of the embedded part exposed outside the concrete beam (6);
the embedded part comprises two steel beam base plates (1) which are arranged oppositely and a connecting rod (3) which is horizontally arranged between the two steel beam base plates (1); two ends of the connecting rod (3) are respectively fixedly connected with the two steel beam base plates (1);
one plate surface of each steel beam seat plate (1) is flush with one side vertical surface of the concrete beam (6), the other surfaces are buried in the concrete beam (6), and GCL waterproof pads (2) are laid on the surfaces of the steel beam seat plates (1) buried in the concrete beam (6) respectively;
each connecting rod (3) is divided into two sections of rod bodies which are connected end to end, and a socket (31) and a socket (32) are respectively arranged at the contact positions of the two sections of rod bodies; the insertion opening (32) is in a drawing pin shape, and the diameter of the pin cap is larger than that of the connecting rod (3); the bell mouth (31) is a cylinder with a concave pit matched with the socket (32) at one end, and the diameter of the cylinder is larger than that of the connecting rod (3); the two sections of rod bodies are connected in a socket way through a bellmouth (31) and a spigot (32);
the double-lug plates (4) are arranged on the plate surface of the steel beam base plate (1) exposed outside the concrete beam (6) and are fixedly connected with the steel beam base plate (1); the flange plate level of I-shaped steel beam (5) sets up, the web clamp of I-shaped steel beam (5) is between two boards of auricle board (4) to can dismantle with auricle board (4) through the bolt and be connected.
2. A concrete beam and steel beam connecting node structure according to claim 1, wherein: the steel beam seat plate (1) is a rectangular steel plate with the thickness not less than 1cm, and the long edge of the steel plate surface is perpendicular to the ground.
3. A concrete beam and steel beam connecting node structure according to claim 2, wherein: the connecting rod (3) is perpendicular to the steel beam base plate (1) and is connected with the steel beam base plate (1) through hole plug welding, and the minimum distance between the connecting position and the edge of the steel beam base plate (1) is not less than 2 cm; the bell mouth (31) of the connecting rod (3) is in interference fit with the socket (32); the connecting rod (3) is connected with a reinforcement cage of the concrete beam (6) through binding wires.
4. A concrete beam and steel beam connecting node structure according to claim 3, wherein: the connecting rods (3) are ribbed steel bars with nominal diameters not less than 1cm, and 4 connecting rods (3) arranged in a matrix shape are arranged between every two opposite steel beam base plates (1).
5. A concrete beam and steel beam connection node structure according to claim 4, wherein: and a paraffin layer is laid on the surface of the steel beam base plate (1) exposed outside the concrete beam (6).
6. A concrete beam and steel beam connection node structure according to claim 5, wherein: the thickness of each plate in the double-lug plate (4) is not less than 8mm, and the double-lug plate (4) is in full-weld connection with the steel beam seat plate (1).
7. A concrete beam and steel beam connection node structure according to claim 6, wherein: the GCL waterproof pad (2) is connected with the steel beam seat plate (1) in an adhesive joint mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020303890.4U CN211817014U (en) | 2020-03-12 | 2020-03-12 | Concrete beam and girder steel connected node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020303890.4U CN211817014U (en) | 2020-03-12 | 2020-03-12 | Concrete beam and girder steel connected node structure |
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| Publication Number | Publication Date |
|---|---|
| CN211817014U true CN211817014U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020303890.4U Active CN211817014U (en) | 2020-03-12 | 2020-03-12 | Concrete beam and girder steel connected node structure |
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| Country | Link |
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| CN (1) | CN211817014U (en) |
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2020
- 2020-03-12 CN CN202020303890.4U patent/CN211817014U/en active Active
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