CN209874066U - Precast beam for prefabricated building and precast slab combined connection structure thereof - Google Patents
Precast beam for prefabricated building and precast slab combined connection structure thereof Download PDFInfo
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- CN209874066U CN209874066U CN201920111541.XU CN201920111541U CN209874066U CN 209874066 U CN209874066 U CN 209874066U CN 201920111541 U CN201920111541 U CN 201920111541U CN 209874066 U CN209874066 U CN 209874066U
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- precast beam
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- 238000010276 construction Methods 0.000 claims abstract description 21
- 230000003746 surface roughness Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000009415 formwork Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model provides a precast beam for assembly type structure and with prefabricated plate built-up connection structure thereof. The precast beam for the fabricated building comprises a precast beam body, an auxiliary bracket support and an auxiliary connecting groove. The auxiliary bracket support and the auxiliary connecting groove are arranged on the precast beam, so that the size of the lap joint part of the precast beam and the precast slab is increased, and further, the stability of the precast beam and the precast slab during natural lap joint is enhanced, therefore, full scaffold support and a formwork are not required to be additionally erected to guarantee construction safety during beam, column and slab construction, the labor is effectively reduced, the labor intensity is reduced, and the construction period is effectively shortened. Through set up supplementary connecting grooves on precast beam, promoted the joint strength of roof beam, post, board node, strengthened the wholeness that whole roof beam, post, board and cast-in-place layer are connected, effectively promote the anti-seismic performance of whole assembly type structure.
Description
Technical Field
The utility model belongs to the technical field of fixed assembly building, especially, relate to a precast beam for assembly type structure and with precast slab built-up connection structure thereof
Background
The assembly type building is a novel building mode, all components are prefabricated and finished in a factory and assembled on site, and the assembly type building has the advantages of environmental protection, high assembly production efficiency, short construction period and the like, and is more and more popular in the building industry. At present, prefabricated columns, prefabricated beams, prefabricated plates and other components for prefabricated buildings are prefabricated in factories, transported to construction sites and hoisted by cranes. However, because the prefabricated beam is supported on the column under the condition that the current prefabricated member meets the structural strength, the support size of the plate supported on the beam is not less than 15mm according to the specification, and the common use is almost 15mm considering the problem of being influenced by 25mm of the steel bar protection layer. Because the two supporting parts have small sizes (such as lap joint between the precast columns and the precast beams and lap joint between the precast beams and the precast slabs), the construction of the beams, the columns and the slabs still needs to be carried out by erecting full framing, erecting templates and other auxiliary construction measures to ensure the smooth and safe implementation of the construction, thereby consuming a large amount of labor and materials, increasing the labor intensity and increasing the construction period. Meanwhile, the integrity of the node parts of the beam, the column and the plate is not strong due to the small size of the lap joint parts and the small lap joint area, the strength of the node parts becomes a weak point which restricts the strength of the whole assembly type building, and the integrity of the connection of the whole beam, the column, the plate and the cast-in-place layer and the seismic performance of the whole assembly type building are influenced.
SUMMERY OF THE UTILITY MODEL
The above-mentioned problem to prior art existence, the utility model discloses a task is to provide a precast beam for assembly type structure, through increase supplementary bracket bearing surface and set up the recess at the precast beam link, increase overlap joint position size, stability when having strengthened the natural overlap joint between the beam slab, just need not (or few) set up full hall scaffold frame support and prop up the template when the roof beam, the board carries out cast-in-place layer construction, just can guarantee the smooth safe implementation of construction, effectively reduced the manual work, the material (including the turnover material), labor intensity and cost are reduced, and the time limit for a project has effectively been shortened. Meanwhile, the size of the lap joint part is increased, the connection area of the lap joint point is effectively increased, the connection strength of the beam and plate joint is improved, the connection area of the whole beam, the whole plate and the cast-in-place layer is increased, the integrity of the connection of the whole beam, the whole column, the whole plate and the cast-in-place layer is enhanced, and the anti-seismic performance of the whole assembly type building is effectively improved.
In order to achieve the above object, the utility model provides a pair of a precast beam for assembly type structure, its concrete technical scheme as follows:
a precast beam for an assembly type building comprises a precast beam body, an auxiliary bracket support and an auxiliary connecting groove; the precast beam body, the auxiliary bracket support and the auxiliary connecting groove are integrally precast and molded; the auxiliary bracket support is arranged on the side face of the lap joint side of the upper end of the precast beam body and the precast slab, and the upper end face of the auxiliary bracket support is flush with the upper end face of the precast beam body where the auxiliary bracket support is arranged, so that the area of the end face of the precast beam is increased, and the area of the lap joint part of the precast beam and the precast slab is increased; the auxiliary connecting groove is formed in the upper end face of the precast beam body, the auxiliary bracket support and the auxiliary connecting groove are arranged at the same end of the precast beam body, and the auxiliary connecting groove is used for increasing the connecting area when the precast beam is connected with the cast-in-place layer.
The utility model discloses a precast beam for assembly type structure through set up supplementary bracket supporting on precast beam, has increased precast beam and precast slab overlap joint position area, and then has strengthened the stability when natural overlap joint between precast beam and the precast slab, therefore just need not set up full hall scaffold frame support and prop up and establish the template and guarantee construction safety when roof beam, board construction, has effectively reduced the manual work, has reduced intensity of labour to the time limit for a project has effectively been shortened. Meanwhile, the auxiliary connecting grooves are additionally formed in the precast beams, so that the connecting area of the precast beams and the cast-in-place layer is increased, the connecting strength of the beam and plate nodes is improved, the connection integrity of the whole beam, plate, column and cast-in-place layer is enhanced, and the anti-seismic performance of the whole fabricated building is effectively improved.
Furthermore, in order to increase the connecting area of the precast beam and the cast-in-place layer and prevent slurry of the cast-in-place layer from overflowing from the edge of the precast beam, a stop block is arranged on the edge of the upper end face of the precast beam body, and the stop block and the precast beam body are integrally formed.
Furthermore, each side of the lower end face of the auxiliary bracket support is provided with a chamfer edge, and the chamfer dimension of the chamfer edge of the lower end face of the auxiliary bracket support is 45 degrees.
Further, in order to ensure the strength of the auxiliary corbel support end, the minimum distance between the outer surface of the auxiliary corbel support and the outer surface of the precast beam body needs to be greater than or equal to 100 mm.
Further, in order to increase the connection strength between the precast beam and the cast-in-place layer, the groove surface roughness Rz of the auxiliary connection groove is greater than or equal to 30 mm.
The utility model also provides a precast beam and precast slab combination connection structure for prefabricated building, including precast column, a plurality of precast slabs, cast-in-place layer and as above precast beam, the precast beam is arranged on the upper end surface of the precast column, the precast slab is arranged on the upper end surface of the precast beam; the cast-in-place layer comprises a precast slab cast-in-place layer, a precast beam cast-in-place layer and a precast column cast-in-place layer, the precast slab cast-in-place layer is arranged on the upper surface of a precast slab, the precast beam cast-in-place layer is arranged on the upper surface of a precast beam and in the auxiliary connecting groove, and the precast column cast-in-place layer is arranged on the upper surface of a precast column; the precast slab cast-in-place layer, the precast beam cast-in-place layer and the precast column cast-in-place layer are integrally cast and formed, and the cast-in-place layer is used for connecting the precast beam, the precast slab and the precast column into a whole. During specific construction, the precast beam, the precast slab and the precast column are lapped, and then cast-in-place layer construction is carried out on the lapped structure. It is required to explain the utility model provides a precast beam and precast slab built-up connection structure for assembly type structure to do not restrict the quantity of precast beam, precast slab, precast column, as long as adopted the utility model discloses a precast beam, the precast slab and the precast beam built-up connection structure that then realize all should contain the utility model discloses an in the protection scope.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a precast beam for assembly type structure through set up supplementary bracket supporting on precast beam, increases precast beam and precast slab overlap joint position size, and then has strengthened the stability when natural overlap joint between precast slab and the precast beam, therefore just need not set up full hall scaffold frame support and prop up and establish the template and guarantee construction safety when roof beam, board construction, has effectively reduced the manual work, has reduced intensity of labour to the time limit for a project has effectively been shortened.
2. The utility model provides a pair of precast beam for assembly type structure has increased supplementary connecting grooves on precast beam, and then has increased the area of being connected of precast beam and cast-in-place layer, has promoted the joint strength of roof beam, board node, has strengthened the wholeness that whole roof beam, board, post and cast-in-place layer are connected, effectively promotes the anti-seismic performance of whole assembly type structure.
Drawings
Fig. 1 is a schematic structural view of a precast beam for an assembly type building according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a schematic view of a connection structure of a precast beam and a precast slab combination for an assembly type building according to the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a schematic structural view of another precast beam for prefabricated buildings according to the present invention;
FIG. 7 is a top view of FIG. 6
In the figure, 1-precast column, 2-cast-in-place layer, 3-precast beam, 4-precast slab, 31-auxiliary bracket support, 32-auxiliary connecting groove, 33-groove surface of the auxiliary connecting groove, 34-precast beam body, 35-chamfer edge of lower end surface of the auxiliary bracket support, 36-stop block and a-minimum distance between outer surface of the auxiliary bracket support and outer surface of the precast beam body.
Detailed Description
Any feature disclosed in this specification may, unless stated otherwise, be replaced by alternative features serving equivalent or similar purposes; that is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 3, the precast beam for prefabricated construction according to this embodiment includes a precast beam body 34, an auxiliary corbel support 31, and an auxiliary connecting groove 32; the precast beam body 34, the auxiliary bracket support 31 and the auxiliary connecting groove 32 are integrally precast and formed; the auxiliary bracket support 31 is arranged on the side face of the lap joint side of the precast beam body 34 and the precast slab at the upper end of the precast beam body 34, the upper end face of the auxiliary bracket support 31 is flush with the upper end face of the precast beam body 34 where the auxiliary bracket support 31 is located, each edge of the lower end face of the auxiliary bracket support 31 is provided with a chamfered edge 35, the chamfer dimension of the chamfered edge 35 of the lower end face of the auxiliary bracket support is 45 degrees, and the minimum distance a between the outer surface of the auxiliary bracket support 31 and the outer surface of the precast beam body 34 is 100 mm; the auxiliary connecting groove 32 is arranged on the upper end face of the precast beam body 34, and the roughness Rz of the groove face 33 of the auxiliary connecting groove is equal to 30 mm.
A precast beam and precast slab combined connection structure for an assembly type building described in this embodiment is shown in fig. 4 to 5, and includes a plurality of precast columns 1, a plurality of precast slabs 4, a cast-in-place layer 2, and a precast beam 3 described in the above embodiment; the precast slabs 4 are arranged on the upper end surfaces of the precast beams 3; the cast-in-place layer 2 comprises a precast slab cast-in-place layer, a precast beam cast-in-place layer and a precast column cast-in-place layer, the precast slab cast-in-place layer is arranged on the upper surface of a precast slab 4, the precast beam cast-in-place layer is arranged on the upper surface of a precast beam 3 and in an auxiliary connecting groove 32, and the precast column cast-in-place layer is arranged on the upper surface of a precast column 1; the precast slab cast-in-place layer, the precast beam cast-in-place layer and the precast column cast-in-place layer are integrally cast and formed, and the cast-in-place layer 2 is used for connecting the precast beam 3, the precast slab 4 and the precast column 1 into a whole.
Example 2
As shown in fig. 6 to 7, the precast beam for prefabricated buildings according to the embodiment includes a precast beam body 34, an auxiliary corbel support 31, an auxiliary connecting groove 32, and a stopper 36; the precast beam body 34, the auxiliary bracket support 31, the auxiliary connecting groove 32 and the stop block 36 are integrally precast and molded; the auxiliary bracket support 31 is arranged on the side surface of the lap joint side of the upper end of the precast beam body 34 and the precast slab, and the upper end surface of the auxiliary bracket support 31 is flush with the upper end surface of the precast beam body 34 where the auxiliary bracket support 31 is located; the stop block 36 is arranged on the edge of the upper end face of the precast beam body; each edge of the lower end face of the auxiliary bracket support 31 is provided with a chamfered edge 35, the chamfer dimension of the chamfered edge 35 of the lower end face of the auxiliary bracket support is 45 degrees, and the minimum distance a between the outer surface of the auxiliary bracket support 31 and the outer surface of the precast beam body 34 is 100 mm; the auxiliary connecting groove 32 is arranged on the upper end face of the precast beam body 34, and the roughness Rz of the groove face 33 of the auxiliary connecting groove is equal to 30 mm.
The precast beam and precast slab combined connection structure for prefabricated buildings according to this embodiment is the same as the precast beam and precast slab combined connection structure according to embodiment 1, and will not be described in detail herein.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The precast beam for the fabricated building is characterized by comprising a precast beam body, an auxiliary bracket support and an auxiliary connecting groove; the precast beam body, the auxiliary bracket support and the auxiliary connecting groove are integrally precast and molded; the auxiliary bracket support is arranged on the side face of the lap joint side of the upper end of the precast beam body and the precast slab, and the upper end face of the auxiliary bracket support is flush with the upper end face of the precast beam body where the auxiliary bracket support is located; the auxiliary connecting groove is formed in the upper end face of the precast beam body, and the auxiliary bracket support and the auxiliary connecting groove are formed in the same end of the precast beam body.
2. The precast beam for an assembled building according to claim 1, wherein a stopper is provided at an upper end surface edge of the precast beam body, and the stopper is integrally formed with the precast beam body.
3. The precast beam for prefabricated construction of claim 1, wherein each side of the lower end surface of the auxiliary corbel support is provided with a chamfered edge.
4. A precast beam for a fabricated construction according to claim 1, wherein the minimum distance of the auxiliary corbel support outer surface from the precast beam body outer surface is greater than or equal to 100 mm.
5. The precast beam for assembled construction of claim 1, wherein the groove surface roughness Rz of the auxiliary coupling groove is greater than or equal to 30 mm.
6. A precast beam and precast slab combined connection structure for prefabricated buildings, which comprises a precast beam, a precast column, a plurality of precast slabs and a cast-in-place layer for prefabricated buildings according to any one of claims 1 to 5, wherein the precast beam is arranged on the upper end surface of the precast column, and the precast slabs are arranged on the upper end surface of the precast beam; the cast-in-place layer comprises a precast slab cast-in-place layer, a precast beam cast-in-place layer and a precast column cast-in-place layer, the precast slab cast-in-place layer is arranged on the upper surface of a precast slab, the precast beam cast-in-place layer is arranged on the upper surface of a precast beam and in the auxiliary connecting groove, and the precast column cast-in-place layer is arranged on the upper surface of a precast column; the precast slab cast-in-place layer, the precast beam cast-in-place layer and the precast column cast-in-place layer are integrally cast and formed, and the cast-in-place layer is used for connecting the precast beam, the precast slab and the precast column into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920111541.XU CN209874066U (en) | 2019-01-23 | 2019-01-23 | Precast beam for prefabricated building and precast slab combined connection structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920111541.XU CN209874066U (en) | 2019-01-23 | 2019-01-23 | Precast beam for prefabricated building and precast slab combined connection structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209874066U true CN209874066U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920111541.XU Expired - Fee Related CN209874066U (en) | 2019-01-23 | 2019-01-23 | Precast beam for prefabricated building and precast slab combined connection structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209874066U (en) |
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2019
- 2019-01-23 CN CN201920111541.XU patent/CN209874066U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |