CN212866302U - Connecting structure of precast concrete bay window cover plate - Google Patents
Connecting structure of precast concrete bay window cover plate Download PDFInfo
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- CN212866302U CN212866302U CN202021149507.0U CN202021149507U CN212866302U CN 212866302 U CN212866302 U CN 212866302U CN 202021149507 U CN202021149507 U CN 202021149507U CN 212866302 U CN212866302 U CN 212866302U
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- window
- wafts
- prefabricated
- apron
- ear
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 17
- 239000011083 cement mortar Substances 0.000 claims abstract description 21
- 239000004570 mortar (masonry) Substances 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 30
- 238000009417 prefabrication Methods 0.000 abstract description 17
- 239000011449 brick Substances 0.000 abstract description 5
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 239000004568 cement Substances 0.000 description 6
- 239000011440 grout Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 229920000620 organic polymer Polymers 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a precast concrete connection structure of window apron that wafts, including the prefabrication window that wafts, waft the window and turn over the roof beam and the prefabrication window apron that wafts, the prefabrication is equipped with along length direction on the window that wafts to the window that wafts on the ear of choosing of turning over roof beam one side level extension, and the window that wafts is equipped with the tongue-and-groove that is close to the prefabrication window that wafts the upper end of roof beam, and the prefabrication window apron that wafts one side level overlap joint on the prefabrication is wafted the ear of wafing of window, opposite side level overlap joint is in the tongue-and-groove of the window that wafts the roof beam, and the prefabrication both sides of wafting the window apron are respectively through the bonding of. This connection structure's prefabrication window apron that wafts bonds in the ear of choosing of prefabricated window that wafts and the rabbet of the roof beam upper end of turning over on the window that wafts through the cement mortar screed-coat, compares the prefabricated structure of the window apron that wafts among the prior art, is showing the on-the-spot wet work and the construction of building by laying bricks or stones that have reduced in the prefabricated window apron work progress that wafts, and the construction is simple and convenient, the cycle is short, the construction efficiency is high, and this connection structure is firm reliable, and energy-concerving and environment-protective nature is high.
Description
Technical Field
The utility model relates to a building engineering technical field, concretely relates to precast concrete wafts connection structure of window apron.
Background
The assembly type building is a novel building form suitable for the national conditions of China, and is mainly characterized in that parts such as prefabricated columns, prefabricated beams, laminated slabs, prefabricated doors and windows and the like are prefabricated by a factory firstly, and then the prefabricated parts are transported to a construction site and assembled on the construction site. Compared with a cast-in-place structure, the fabricated building has the advantages of high production efficiency, high construction speed, small cast-in-place quantity of construction sites, energy conservation, environmental protection and the like.
The bay window is convenient for lighting and improves the sense of space, and is a building mode which is adopted in large quantity at present. Due to the special position of the cover plate of the bay window, a template needs to be erected at the bottom when the cast-in-place construction process is adopted, but the template cannot be taken out, so that great waste is caused. The Chinese patent number ZL201820698476.0, the date of the authorized announcement is 11 months and 27 days in 2018, and the name of the invention creation is as follows: a prefabricated plate bay window structure relates to a prefabricated plate bay window structure, and the bay window is an inner bay window, one end of a prefabricated plate is lapped on a ring beam, and the other end is lapped on a masonry structure; the masonry structure is composed of an outer side masonry close to one side of the ring beam and an inner side masonry far away from one side of the ring beam, the outer side masonry is as high as the ring beam and is used for placing prefabricated plates, the height of the inner side masonry is lower than that of the ring beam, binding steel bars are placed on the upper surface of the inner side masonry, and the upper surfaces of the binding steel bars are lower than or flush with the upper surface of the outer side masonry; the precast slabs, the ring beams, the masonry structures and the binding steel bars are poured together by concrete. This application has solved cast-in-place window apron that wafts to a certain extent and need the not enough of bottom braced formwork, has practiced thrift the turnover material. However, in the construction process of the bay window cover plate, steel bars still need to be bound on site, cement mortar is used for plastering and leveling, a ring beam is cast by formwork concrete, and the like, so that the site construction procedures are multiple, more concrete casting processes still exist, the construction period needs 2.5 days, and the construction period is longer.
Therefore, the Chinese patent number ZL201920861941.2, the publication date is 2020, 4 and 14, and the invention is named as follows: the utility model provides a precast concrete window apron joint construction that wafts, including installing in the window inner support wall that wafts and the prefabricated window apron that wafts between the outer corbel of window that wafts and locate the pre-buried reinforcing bar that upwards stretches out on the outer corbel of window that wafts, one side of prefabricated window apron that wafts is equipped with reserves the grout hole, the both sides of prefabricated window apron that wafts bond through the cement mortar screed-coat respectively on the window inner support wall that wafts and the outer corbel of window that wafts, the overhanging end of pre-buried reinforcing bar is located reserves the grout hole, the downthehole watering of reservation grout has the grout material. Although this prefabricated window apron connection structure that wafts has reduced the cast-in-place volume in building site to a certain extent, has improved the installation and construction efficiency of the window apron that wafts, still need on-the-spot build by laying bricks or stones the interior support wall of window that wafts, lay simultaneously when wafing the window apron that wafts need will waft the reservation grout hole of window apron one side and accurately cup joint on the pre-buried reinforcing bar on the outer corbel of window that wafts, consequently make the whole efficiency of construction of the window apron that wafts still not high-efficient enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, a precast concrete wafts connection structure of window apron is provided, the both sides of the window apron that wafts of prefabrication are respectively through the cement mortar screed-coat bond in the prefabricated ear of choosing of wafing the window and the rabbet of turning over the roof beam upper end on the window that wafts to reduced the prefabricated on-the-spot wet work and built by laying bricks or stones in the window apron work progress, the construction is simple and convenient, the cycle is short, the efficiency of construction is high, and this connection structure is firm reliable, energy-concerving and environment-protective nature is high, therefore, the clothes hanger is strong in practicability.
For realizing above-mentioned mesh, the technical scheme of the utility model a design a precast concrete connection structure that wafts window apron, including the prefabrication window that wafts, waft window turn over the roof beam and prefabricate the window apron that wafts, it is equipped with to the window that wafts on the prefabrication along length direction and turns over the ear of choosing of roof beam one side level extension, the window that wafts is equipped with the tongue-and-groove that is close to the prefabrication window that wafts on the upper end of roof beam, prefabrication waft window apron one side level overlap joint in the prefabrication window choose on the ear, opposite side level overlap joint in the tongue-and-groove of the window that wafts on the roof beam, and the both sides of prefabrication window apron that wafts bond in ear and tongue-and-groove of making level through the cement mortar.
The utility model discloses precast concrete connection structure of window apron that wafts, wherein the both sides of the window apron that wafts of prefabrication bond respectively through the cement mortar screed-coat in the prefabricated ear of choosing of wafting the window and the enterprise of turning over the roof beam upper end on wafing the window, compare the prefabricated structure of the window apron that wafts among the prior art, showing the on-the-spot wet work that has reduced in the prefabricated window apron work progress that wafts and building by laying bricks or stones the construction, construction simple and convenient, the cycle is short, the efficiency of construction is high, and this connection structure is firm reliable, energy-concerving and environment-protective nature is high, therefore.
In order to ensure the firm stability of the connecting structure, the preferable technical scheme is that the ear-picking and the prefabricated bay window are integrally cast, one end of a transverse rib in the ear-picking is anchored in the prefabricated bay window, and the other end of the transverse rib is cast in the ear-picking; the upper end of a longitudinal rib at one side of the upward turning beam of the bay window, which is far away from the prefabricated bay window, extends, horizontally bends and pours into the vertical side wall of the rabbet. The ear is picked and integrally poured and formed on the prefabricated bay window, the rabbet is integrally poured and reserved at the upper end of the upturning beam of the bay window, so that the installation stability of the prefabricated bay window cover plate in the ear and rabbet is ensured, the field wet operation and masonry construction in the construction process of the prefabricated bay window cover plate are reduced, and the construction process is simpler and more convenient and has short period.
In order to ensure the use stability of the connection structure, the further preferable technical scheme is that the cement mortar leveling layer is polymer waterproof mortar, and the strength of the cement mortar leveling layer is more than or equal to 35 MPa. The polymer waterproof mortar is formed by mixing and stirring cement, aggregate and organic polymer which can be dispersed in water, has high strength, can form a film under the environmental condition to cover on cement particles, and forms strong bonding between a cement machine body (a prefabricated bay window cover plate, a lug of a prefabricated bay window and a tongue-and-groove of an upturned beam of the bay window) and the aggregate, thereby improving the bonding firmness of the prefabricated bay window cover plate and the tongue-and-groove or the lug; meanwhile, a polymer network formed by organic polymers in the polymer waterproof mortar has the capability of preventing micro cracks from occurring and can prevent the cracks from expanding, so that gaps between the prefabricated bay window cover plate and the tongue-and-groove, the tongue-and-groove or the prefabricated bay window can be effectively avoided.
In order to further improve the sealing performance between the end surfaces of the two sides of the prefabricated bay window cover plate and the tongue-and-groove or the prefabricated bay window, a further preferred technical scheme is that two ends of the cement mortar leveling layer are respectively provided with a blocking layer.
Further preferably, the blocking layer is special caulking mortar without shrinkage. The sealing layer has good stability, and avoids the gap between the side surface of the prefabricated floating window cover plate and the vertical side wall of the tongue-and-groove or the prefabricated floating window caused by the shrinkage of the sealing layer.
The utility model has the advantages and the beneficial effects that:
1. the utility model discloses precast concrete connection structure of window apron that wafts, wherein the both sides of the window apron that wafts of prefabrication bond respectively through the cement mortar screed-coat in the prefabricated ear of choosing of wafting the window and the enterprise of turning over the roof beam upper end on wafing the window, compare the prefabricated structure of the window apron that wafts among the prior art, showing the on-the-spot wet work that has reduced in the prefabricated window apron work progress that wafts and building by laying bricks or stones the construction, construction simple and convenient, the cycle is short, the efficiency of construction is high, and this connection structure is firm reliable, energy-concerving and environment-protective nature is high, therefore.
2. The ear is picked and integrally poured and formed on the prefabricated bay window, the rabbet is integrally poured and reserved at the upper end of the upturning beam of the bay window, so that the installation stability of the prefabricated bay window cover plate in the ear and rabbet is ensured, the field wet operation and masonry construction in the construction process of the prefabricated bay window cover plate are reduced, and the construction process is simpler and more convenient and has short period.
3. The cement mortar leveling layer is polymer waterproof mortar, and the strength of the leveling layer is more than or equal to 35 Mpa. The polymer waterproof mortar is formed by mixing and stirring cement, aggregate and organic polymer which can be dispersed in water, has high strength, can form a film under the environmental condition to cover on cement particles, and forms strong bonding between a cement machine body (a prefabricated bay window cover plate, a lug of a prefabricated bay window and a tongue-and-groove of an upturned beam of the bay window) and the aggregate, thereby improving the bonding firmness of the prefabricated bay window cover plate and the tongue-and-groove or the lug; meanwhile, a polymer network formed by organic polymers in the polymer waterproof mortar has the capability of preventing micro cracks from occurring and can prevent the cracks from expanding, so that gaps between the prefabricated bay window cover plate and the tongue-and-groove, the tongue-and-groove or the prefabricated bay window can be effectively avoided.
4. The plugging layer is special caulking mortar without shrinkage. The sealing layer has good stability, and avoids the gap between the side surface of the prefabricated floating window cover plate and the vertical side wall of the tongue-and-groove or the prefabricated floating window caused by the shrinkage of the sealing layer.
Drawings
Fig. 1 is a schematic longitudinal sectional view of a connection structure of a precast concrete bay window cover plate according to the present invention;
fig. 2 is a schematic longitudinal sectional structural view of a prefabricated bay window and a bay window upturned beam.
In the figure: 1. prefabricating a bay window; 2. ear picking; 3. turning over the beam on the bay window; 4. prefabricating a bay window cover plate; 5. a blocking layer; 6. leveling layer of cement mortar; 7. a tongue-and-groove; 2-1, transverse ribs; 3-1, longitudinal ribs.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Examples
As shown in fig. 1-2, the utility model relates to a precast concrete wafts connection structure of window apron, including prefabricated window 1 that wafts, waft window upturning roof beam 3 and prefabricated window apron 4 that wafts, prefabricated window 1 that wafts is gone up to be equipped with along length direction to the window that wafts on the ear 2 of picking of 3 one side level extensions of roof beam, the window that wafts is gone up the upper end of turning over roof beam 3 and is equipped with the tongue-and-groove 7 that is close to prefabricated window 1 that wafts, prefabricated window apron 4 one side level overlap joint 4 in prefabricated window 1 that wafts on choosing ear 2, opposite side level overlap joint in the tongue-and-groove 7 of wafing the roof beam 3 on the window, and the both sides of prefabricated window apron that wafts bond in choosing ear 2 and tongue-and-groove 7 through cement mortar screed-coat 6 respectively.
Preferably, the overhanging lug 2 and the prefabricated bay window 1 are integrally cast, one end of a transverse rib 2-1 in the overhanging lug 2 is anchored in the prefabricated bay window 1, and the other end of the transverse rib is cast in the overhanging lug 2; the upper end of a longitudinal rib 3-1 on one side of the bay window upturning beam 3 far away from the prefabricated bay window 1 extends, horizontally bends and is poured in the vertical side wall of the rabbet 7.
Further preferably, the cement mortar leveling layer 6 is polymer waterproof mortar, and the strength of the polymer waterproof mortar is more than or equal to 35 MPa.
Further preferably, both ends of the cement mortar leveling layer 6 are respectively provided with a plugging layer 5.
Further preferably, the blocking layer 5 is caulking mortar special for non-shrinkage.
The utility model relates to a precast concrete wafts connection structure's of window apron construction principle:
step 1: erecting a mould of the bay window upturning beam 3, laying a reinforcement cage of the bay window upturning beam 3, and extending and horizontally bending the upper end of a longitudinal rib 3-1 at one side of the bay window upturning beam 3, which is far away from the prefabricated bay window 1, in a vertical side wall mould of the rabbet 7;
step 2: pouring an upturning beam 3 of the bay window;
and step 3: hoisting the prefabricated bay window 1;
and 4, step 4: after the up-turned beam 3 of the bay window is cured and molded, a certain amount of cement mortar and polymer waterproof mortar positioned at the end part are respectively paved on the horizontal bottom surface in the rabbet 7 and the upper end surface of the cantilever lug 2, one side of the prefabricated bay window cover plate 4 is horizontally lapped in the rabbet 7, the other side of the prefabricated bay window cover plate is horizontally lapped on the cantilever lug 2, cement mortar is poured into vertical gaps at two sides of the prefabricated bay window cover plate 4, the upper end of the vertical gap is blocked by the polymer waterproof mortar, wherein the cement mortar is cured to form a cement mortar leveling layer 6, and the polymer waterproof mortar is cured to form a blocking layer 5.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a connection structure of precast concrete window apron that wafts, its characterized in that, including prefabricated window (1) that wafts, wafts window upturning roof beam (3) and prefabricated window apron (4) that wafts, prefabricated window (1) is gone up to be equipped with along length direction and is shone ear (2) of choosing of window upturning roof beam (3) one side level extension that wafts, the upper end of wafting window upturning roof beam (3) is equipped with tongue-and-groove (7) that are close to prefabricated window (1), prefabricated window apron (4) that wafts one side level overlap joint on the ear (2) of choosing of prefabricated window (1), the opposite side level overlap joint is in the tongue-and-groove (7) of wafting window upturning roof beam (3), and the both sides of prefabricated window apron that wafts (4) bond in choosing ear (2) and tongue-and-groove (7) through screed (6) respectively.
2. The connecting structure of the precast concrete bay window cover plate according to claim 1, wherein the ear-picking lugs (2) are integrally cast with the precast bay window (1), and one end of a transverse rib (2-1) in the ear-picking lug (2) is anchored in the precast bay window (1), and the other end is cast in the ear-picking lug (2); the upper end of a longitudinal rib (3-1) at one side of the bay window upturning beam (3) far away from the prefabricated bay window (1) extends, horizontally bends and is poured into the vertical side wall of the rabbet (7).
3. A precast concrete bay window cover plate connection structure as claimed in claim 2, wherein the cement mortar screed layer (6) is polymer waterproof mortar and has strength of 35Mpa or more.
4. A precast concrete bay window cover connection structure as claimed in claim 3, wherein both ends of the cement mortar screed (6) are provided with the blocking layers (5), respectively.
5. A precast concrete bay window cover connection structure as claimed in claim 4, wherein said blocking layer (5) is a non-shrinking special caulking mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149507.0U CN212866302U (en) | 2020-06-19 | 2020-06-19 | Connecting structure of precast concrete bay window cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149507.0U CN212866302U (en) | 2020-06-19 | 2020-06-19 | Connecting structure of precast concrete bay window cover plate |
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| Publication Number | Publication Date |
|---|---|
| CN212866302U true CN212866302U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021149507.0U Expired - Fee Related CN212866302U (en) | 2020-06-19 | 2020-06-19 | Connecting structure of precast concrete bay window cover plate |
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| CN (1) | CN212866302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118498510A (en) * | 2024-05-31 | 2024-08-16 | 中建三局集团华南有限公司 | A support-free bay window structure and construction method |
-
2020
- 2020-06-19 CN CN202021149507.0U patent/CN212866302U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118498510A (en) * | 2024-05-31 | 2024-08-16 | 中建三局集团华南有限公司 | A support-free bay window structure and construction method |
| CN118498510B (en) * | 2024-05-31 | 2025-04-18 | 中建三局集团华南有限公司 | A support-free bay window structure and construction method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |