CN220954127U - Prefabricated girder splicing structure for inclined roof - Google Patents
Prefabricated girder splicing structure for inclined roof Download PDFInfo
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- CN220954127U CN220954127U CN202322577235.4U CN202322577235U CN220954127U CN 220954127 U CN220954127 U CN 220954127U CN 202322577235 U CN202322577235 U CN 202322577235U CN 220954127 U CN220954127 U CN 220954127U
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- 238000005266 casting Methods 0.000 claims abstract description 17
- 239000004567 concrete Substances 0.000 claims description 17
- 239000011159 matrix material Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011178 precast concrete Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to a prefabricated girder splicing structure for an inclined roof, which comprises the following components: the two main girder main bodies comprise main girder prefabricated sections and main girder post-pouring sections; the girder prefabricated section comprises a main girder bottom rib, a girder waist rib, a girder stirrup and a casting body; the main beam bottom rib and the main beam waist rib of one main beam main body extend upwards along the direction of the inclined roof which needs to be inclined; one main beam main body and the other main beam main body which is correspondingly arranged are oppositely arranged on the post-pouring section of the main beam to form a group of precast main beams of the inclined roof; the two node plates are correspondingly arranged, are vertically arranged between the prefabricated main beams of the group of inclined roofs, and are fixedly connected with the main beam bottom ribs and the main beam waist ribs of a main beam body respectively; the gusset plate comprises through holes or bolt holes which are correspondingly arranged; and the connecting bolts penetrate through the through holes or the bolt holes of the node plates and fixedly connect the two correspondingly arranged node plates. The prefabricated girder splicing structure is convenient to produce and construct.
Description
Technical Field
The utility model relates to the technical field of assembled buildings, in particular to a prefabricated girder splicing structure for an inclined roof.
Background
In recent years, the construction industry in China is greatly pushing assembled buildings, and various places are provided with assembling rate indexes. With the gradual increase of the assembly rate index in various places in recent years, the volume ratio of the prefabricated parts is also increased in the whole concrete volume of the main body structure. Precast beams have become an integral and important component in fabricated buildings. In some areas with high prefabrication rate requirements, the main structural beam almost needs to be prefabricated. Moreover, in some frame villas, the pitched roof girder is prefabricated.
In the traditional construction, the prefabricated roof oblique beam adopts a reserved cast-in-place section mode at the ridge, the bottom ribs of the prefabricated beam are arranged, and the stirrups are bound and placed on site, so that the construction and installation of on-site prefabricated components are inconvenient; the problems of steel bar collision, inconvenient binding of stirrups and the like can occur on site, and certain construction difficulty and quality risk exist.
Accordingly, there is a need to develop a prefabricated girder for pitched roofs that can be easily produced, transported, and constructed.
Disclosure of utility model
The utility model aims to solve the technical problems that the existing prefabricated inclined roof girder is inconvenient to construct and has a certain quality risk, and the existing node needs to be cast with concrete for a large number of times in site during construction, so that the problems of complex structure, inconvenient manufacture, difficult installation and the like are solved.
In order to solve the technical problems, the utility model provides a prefabricated girder splicing structure for an inclined roof, which comprises the following components: the two main girder bodies are of strip-shaped structures and comprise main girder prefabricated sections and main girder post-pouring sections; the main beam prefabrication section comprises a plurality of main beam bottom ribs and main beam waist ribs which are sequentially arranged along the extending direction of the main beam main body from bottom to top, a plurality of main beam stirrups which are perpendicular to the extending direction of the main beam main body and are sleeved and fixed on the outer sides of the main beam bottom ribs and the main beam waist ribs, and a casting body; the main beam bottom rib and the main beam waist rib of one main beam main body extend upwards along the direction of the inclined roof, and the parts of the main beam bottom rib and the main beam waist rib extending out of the casting body form a main beam post-casting section; one main beam main body and the other main beam main body which is correspondingly arranged are oppositely arranged on the post-pouring section of the main beam to form a group of precast main beams of the inclined roof; the two node plates are correspondingly arranged, are vertically arranged between the prefabricated main beams of the group of inclined roofs, and are fixedly connected with the main beam bottom ribs and the main beam waist ribs of a main beam main body respectively; the gusset plate comprises through holes or bolt holes which are correspondingly arranged; the connecting bolts penetrate through holes or bolt holes of the node plates, the two node plates which are correspondingly arranged are fixedly connected, wherein the main beam post-pouring section further comprises a pouring body, and the pouring body of the main beam post-pouring section is formed by pouring after the two main beam main bodies are connected.
According to an embodiment of the utility model, the casting may be concrete. And after the main beam bottom ribs, the main beam waist ribs and the main beam stirrups are fixedly connected in a cross manner in the extending direction and the vertical direction of the main beam main body, concrete is poured, so that a reinforced concrete main beam structure is formed.
According to an embodiment of the utility model, the main beam stirrup may be rectangular hollow ring-shaped. The shape may be square or rounded, and is not particularly limited.
According to the embodiment of the utility model, the upper part of the girder stirrup can extend out of the casting body. The device is used for being convenient for hanging, transporting and installing, and is convenient for installing and fixing the roof.
According to the embodiment of the utility model, the two node plates can be fixedly connected with the main beam bottom rib and the main beam waist rib of one main beam main body respectively through welding.
According to an embodiment of the present utility model, the through holes or bolt holes of the gusset plate may be distributed in a matrix shape.
According to the embodiment of the utility model, the matrix of the through holes or the bolt holes of the node plate can be a 5×2 matrix or a 6×3 matrix, which is particularly determined according to practical needs and is not limited.
According to the embodiment of the utility model, the distribution positions of the through holes or the bolt holes of the gusset plate can be used for ensuring that the two main girder main bodies are stably connected through the connecting bolts.
According to an embodiment of the present utility model, the gusset plate may be a steel plate.
According to an embodiment of the present utility model, the connecting bolt may be a high strength bolt.
Compared with the prior art, the technical scheme provided by the embodiment of the utility model at least has the following beneficial effects:
The bolt connection joint of the precast concrete girder and the precast concrete girder of the inclined roof provided by the utility model can be used for reliably connecting the precast concrete girder and the precast concrete girder in the inclined roof. The connecting structure comprises a precast concrete girder, a precast girder embedded gusset plate and a connecting bolt; the node can disconnect the inclined roof girder at the ridge, and the two girders are spliced and connected by bolts after being transported to the site. The utility model has the advantages of direct and reliable force transmission, convenient production and construction, high installation precision, convenient construction and the like.
The force transmission path of the prefabricated girder of the inclined roof provided by the utility model is as follows in sequence: the girder prefabricated section concrete, the girder bottom rib, the girder waist rib, the connecting gusset plate and the high-strength bolt are simple in force transmission path, and safe and reliable in stress.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present utility model and are not limiting of the present utility model.
Fig. 1 is a schematic view showing a splicing structure of prefabricated girder for pitched roof according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram illustrating a pitched roof girder according to an embodiment of the present utility model.
Fig. 3 is an elevational schematic of fig. 1.
Fig. 4 is a schematic view illustrating a connection gusset according to an embodiment of the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
Fig. 1 is a schematic view showing a splicing structure of prefabricated girder for pitched roof according to an embodiment of the present utility model. Fig. 2 is a schematic diagram illustrating a pitched roof girder according to an embodiment of the present utility model. Fig. 3 is an elevational schematic of fig. 1.
As shown in fig. 1 to 3, the prefabricated girder splicing structure for the pitched roof includes: two main girder bodies, two gusset plates and a plurality of connecting bolts 4.
The main beam body is of a strip-shaped structure and comprises a main beam prefabricated section 1 and a main beam post-pouring section 7; the main beam prefabrication section 1 comprises a plurality of main beam bottom ribs 5 and main beam waist ribs 6 which are sequentially arranged along the extending direction of a main beam main body from bottom to top, a plurality of main beam stirrups 2 which are perpendicular to the extending direction of the main beam main body and are sleeved and fixed on the outer sides of the main beam bottom ribs 5 and the main beam waist ribs 6, and a casting body; the main beam bottom rib 5 and the main beam waist rib 6 of one main beam main body extend upwards along the direction of the inclined roof, and the parts of the main beam bottom rib 5 and the main beam waist rib 6 extending out of the casting body form a main beam post-casting section 7; one main beam main body and the other main beam main body which are correspondingly arranged are oppositely arranged at the main beam post-pouring section 7 to form a group of precast main beams of the inclined roof,
The two node plates are correspondingly arranged, are vertically arranged between the prefabricated main beams of the group of inclined roofs, and are fixedly connected with a main beam bottom rib 5 and a main beam waist rib 6 of a main beam main body respectively; the gusset plate comprises through holes or bolt holes which are correspondingly arranged;
The connecting bolts 4 pass through the through holes or the bolt holes of the node plates and fixedly connect the two correspondingly arranged node plates.
The main beam post-pouring section 7 further comprises a pouring body, and the pouring body of the main beam post-pouring section 7 is formed by pouring after two main beam main bodies are connected.
The bolt connection joint of the precast concrete girder and the precast concrete girder of the inclined roof provided by the utility model can be used for reliably connecting the precast concrete girder and the precast concrete girder in the inclined roof. The connecting structure comprises a precast concrete girder, a precast girder embedded gusset plate and a connecting bolt 4; the node can disconnect the inclined roof girder at the ridge, and the two girders are spliced and connected by bolts after being transported to the site. The utility model has the advantages of direct and reliable force transmission, convenient production and construction, high installation precision, convenient construction and the like.
According to one or some embodiments of the utility model, the casting is concrete. After the main beam bottom ribs 5, the main beam waist ribs 6 and the main beam stirrups 2 are fixedly connected in a cross manner in the extending direction and the vertical direction of the main beam main body, concrete is poured, so that a reinforced concrete main beam structure is formed.
According to one or some embodiments of the utility model, the main beam stirrup 2 is rectangular hollow ring-shaped. The shape may be square or rounded, and is not particularly limited.
According to one or some embodiments of the utility model, the upper part of the girder stirrup 2 extends outside the casting body. The device is used for being convenient for hanging, transporting and installing, and is convenient for installing and fixing the roof.
According to one or some embodiments of the present utility model, the two gusset plates are fixedly connected with the main beam bottom rib 5 and the main beam waist rib 6 of one main beam body respectively through welding.
Fig. 4 is a schematic view showing a connection gusset 3 according to an embodiment of the present utility model.
The through holes or bolt holes of the gusset plate are distributed in a matrix as shown in fig. 4.
According to one or some embodiments of the present utility model, the matrix of the through holes or the bolt holes of the node board is a5×2 matrix, and may be a 6×3 matrix, which is not limited in this way, according to actual needs.
According to one or some embodiments of the present utility model, the distribution positions of the through holes or bolt holes of the gusset plate are used to ensure that the two main girder bodies are stably connected by the connecting bolts 4.
According to one or some embodiments of the utility model, the gusset is a steel plate. The concrete thickness and the concrete dimension can be determined according to the stress and the section of the precast concrete beam, and the gusset plate is used for bearing the internal force generated by the precast concrete inclined beam and transmitting the internal force to the other section of precast concrete inclined beam through bolts.
According to one or some embodiments of the utility model, the connecting bolt 4 is a high strength bolt. The specification and the length of the connecting bolt 4 can be determined according to the stress, and the bolt function is to ensure the safe and reliable force transmission between the node plates at two sides. The whole stress of the roof oblique beam is ensured.
When the prefabricated concrete girder for the inclined roof is used, the prefabricated concrete girder is disconnected at the ridge, the connecting gusset plate 3 is arranged at the end part of a prefabricated girder steel bar, the gusset plate is connected with the prefabricated girder steel bar by adopting a welding process, after welding is finished, the main girder bottom bar 5 and the main girder waist bar 6 are sleeved into the main girder stirrup 2, and the main girder bottom bar 5 and the main girder waist bar 6 are respectively bound and fixed with the main girder stirrup 2 to form a formed steel bar framework; and after binding is completed, carrying out template sealing on the formed reinforcement cage, casting the precast section concrete of the precast beam, and enabling the strength grade of the cast concrete to meet the structural design requirement.
After the production of the precast concrete member is finished, the main beam precast segment 1 is transported to a project site, and the main beam stirrup 2 in the post-cast segment is sleeved on the bottom stirrup and the waist stirrup in advance; then the joint plate 3 is connected with the girder bottom ribs 5 and the girder waist ribs 6 to finish welding in a factory; the processing method of the prefabricated girder corresponding to the other side is the same.
And (3) hoisting the prefabricated girder after the prefabricated girder is transported to the site, penetrating high-strength bolts after the corresponding bolt holes of the connecting plates are aligned, screwing up, and pouring concrete by supporting a mould in the post-pouring section 7 of the girder, wherein the strength grade of the concrete in the post-pouring section meets the design requirement.
The force transmission path of the roof load in this embodiment is as follows: the girder prefabricated section 1 is concrete, the girder bottom ribs 5, the girder waist ribs 6, the connecting node plates 3 and high-strength bolts, and the embodiment has the advantages of simple force transmission path and safe and reliable stress.
The foregoing is merely exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. A prefabricated girder mosaic structure for sloping roof, characterized by, include:
The two main girder bodies are of strip-shaped structures and comprise main girder prefabricated sections and main girder post-pouring sections; the main beam prefabrication section comprises a plurality of main beam bottom ribs and main beam waist ribs which are sequentially arranged along the extending direction of the main beam main body from bottom to top, a plurality of main beam stirrups which are perpendicular to the extending direction of the main beam main body and are sleeved and fixed on the outer sides of the main beam bottom ribs and the main beam waist ribs, and a casting body; the main beam bottom rib and the main beam waist rib of one main beam main body extend upwards along the direction of the inclined roof, and the parts of the main beam bottom rib and the main beam waist rib extending out of the casting body form a main beam post-casting section; one main beam main body and the other main beam main body which is correspondingly arranged are oppositely arranged on the post-pouring section of the main beam to form a group of precast main beams of the inclined roof;
the two node plates are correspondingly arranged, are vertically arranged between the prefabricated main beams of the group of inclined roofs, and are fixedly connected with the main beam bottom ribs and the main beam waist ribs of a main beam body respectively; the node plate comprises through holes or bolt holes which are correspondingly arranged;
a plurality of connecting bolts penetrating through the through holes or the bolt holes of the node plates to fixedly connect the two correspondingly arranged node plates,
The main beam post-pouring section further comprises a pouring body, and the pouring body of the main beam post-pouring section is formed by pouring after the connection of the two main beam main bodies.
2. The prefabricated main girder splicing structure for a pitched roof according to claim 1, wherein the casting body is concrete.
3. The prefabricated girder splicing structure for pitched roofs according to claim 1, wherein the girder stirrup is a rectangular hollow ring shape.
4. The prefabricated girder splicing structure for pitched roof according to claim 1, wherein the upper portion of the girder stirrup protrudes outside the casting body.
5. The prefabricated girder splicing structure for pitched roof according to claim 1, wherein two of the gusset plates are fixedly connected with a main girder bottom rib and a main girder waist rib of one main girder body, respectively, by welding.
6. The prefabricated girder splicing structure for pitched roof according to claim 1, wherein the through holes or the bolt holes of the gusset are distributed in a matrix shape.
7. The prefabricated main girder splicing structure for a pitched roof according to claim 6, wherein the matrix of the distribution of the through holes or the bolt holes of the gusset is a 5 x 2 matrix.
8. The prefabricated girder splicing structure for pitched roof according to claim 6, wherein the distribution positions of the through holes or the bolt holes of the gusset plate are used for guaranteeing the connection stability of the two girder main bodies through the connecting bolts.
9. The prefabricated main girder splicing structure for a pitched roof according to claim 1, wherein the gusset is a steel plate.
10. The prefabricated main girder splicing structure for a pitched roof according to claim 1, wherein the connection bolt is a high-strength bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577235.4U CN220954127U (en) | 2023-09-21 | 2023-09-21 | Prefabricated girder splicing structure for inclined roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577235.4U CN220954127U (en) | 2023-09-21 | 2023-09-21 | Prefabricated girder splicing structure for inclined roof |
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| Publication Number | Publication Date |
|---|---|
| CN220954127U true CN220954127U (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322577235.4U Active CN220954127U (en) | 2023-09-21 | 2023-09-21 | Prefabricated girder splicing structure for inclined roof |
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| Country | Link |
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| CN (1) | CN220954127U (en) |
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- 2023-09-21 CN CN202322577235.4U patent/CN220954127U/en active Active
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