CN210315960U - Precast concrete window apron connection structure that wafts - Google Patents
Precast concrete window apron connection structure that wafts Download PDFInfo
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- CN210315960U CN210315960U CN201920861941.2U CN201920861941U CN210315960U CN 210315960 U CN210315960 U CN 210315960U CN 201920861941 U CN201920861941 U CN 201920861941U CN 210315960 U CN210315960 U CN 210315960U
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- window
- prefabricated
- bay window
- wafts
- cover plate
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Abstract
The utility model discloses a precast concrete window apron connection structure that wafts belongs to the assembly type structure field. The utility model discloses a precast concrete wafts window apron joint construction, including installing in wafing the window inner supporting wall and wafting the prefabricated window apron that wafts between the outer strutbeam of window and locating the pre-buried reinforcing bar that upwards stretches out on the outer strutbeam of wafting the window, one side of prefabricated window apron that wafts is equipped with reserves the grout hole, and the both sides of prefabricated window apron that wafts are bonded on wafting the window inner supporting wall and wafting the outer strutbeam of window through the cement mortar screed-coat respectively, and the overhanging end of pre-buried reinforcing bar is located reserves the grout downthehole watering of reserving the grout material. The utility model discloses a prefabricated window apron firm in connection that wafts is reliable, and the construction is simple and convenient, and construction cycle is short, construction efficiency is high, has promoted the application proportion of prefabricated part in the building, and the cast-in-place volume of building site is few, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to an assembly type structure, more specifically say, relate to a precast concrete window apron connection structure that wafts.
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.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to overcome current prefabrication and window apron construction cycle that wafts is long, cast-in-place volume is more not enough, provides a precast concrete and wafts window apron connection structure, adopts the technical scheme of the utility model, the prefabrication window apron that wafts bonds on wafts window inner supporting wall and the window outer corbel that wafts through the cement mortar screed-coat, realizes firmly connecting through locating the embedded bar on the window outer corbel that wafts and the downthehole grout material of reservation grout of the prefabricated window apron that wafts simultaneously, firm in connection is reliable, construction simple and convenient, construction cycle is short, construction efficiency is high, has promoted the application proportion of prefabricated part in the building, and the cast-in-place volume of building site is few, and is energy-concerving and environment-protective.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a precast concrete wafts window apron joint construction, including installing in wafting window inner support wall and wafting the prefabricated window apron that wafts between the outer corbel of window, still including locating the pre-buried reinforcing bar that upwards stretches out on the outer corbel of window that wafts, the prefabricated one side of wafts the window apron be equipped with and reserve the grout hole, the prefabricated both sides of wafting the window apron bond respectively through the cement mortar screed-coat on wafting window inner support wall and wafting the outer corbel of window, the overhanging end of pre-buried reinforcing bar be located and reserve the grout hole, the downthehole watering of reservation grout material.
Furthermore, the back of the prefabricated bay window cover plate is provided with a rough surface for bonding with the bay window inner supporting wall and the bay window outer supporting beam.
Furthermore, more than one embedded steel bar is arranged on the floating window outer supporting beam at intervals, and reserved grouting holes corresponding to the embedded steel bars in position and quantity are formed in the prefabricated floating window cover plate.
Furthermore, the reserved grouting hole is of a conical structure with a large upper part and a small lower part.
Furthermore, a gap between the inner side surface of the prefabricated bay window cover plate and the inner side surface of the outer wall is filled with a gap filling agent, and the upper part of the gap is filled with a sealant.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a precast concrete bay window apron joint construction, its precast bay window apron bonds on bay window inner support wall and bay window outer corbel through the cement mortar screed-coat, realizes firmly connecting through locating the embedded bar on the bay window outer corbel and the grout material in the reservation grout hole of precast bay window apron simultaneously, and firm reliable in connection, the construction is simple and convenient, construction cycle is short, the building efficiency is high, has promoted the application proportion of prefabricated part in the building, and the cast-in-place volume of building site is few, and is energy-concerving and environment-protective;
(2) the utility model discloses a precast concrete bay window cover plate connection structure, the back of its precast bay window cover plate is equipped with the rough surface that is used for bonding with bay window inner supporting wall and bay window outer corbel, makes precast bay window cover plate and corbel connection more firm and stable;
(3) the utility model discloses a precast concrete bay window apron connection structure, its embedded bar is equipped with more than one at the interval on bay window outer corbel, is equipped with the reservation grout hole that position and quantity correspond with the position and the quantity of embedded bar on the precast bay window apron, has further improved the fastness of connection of precast bay window apron; in addition, the reserved grouting holes in the prefabricated bay window cover plate are of a conical structure with a large top and a small bottom, a firm locking structure is formed after the grouting material is solidified, and the connection strength of the bay window cover plate is greatly improved;
(4) the utility model discloses a precast concrete wafts window apron joint construction is equipped with the gap filler in the gap between its prefabricated medial surface that wafts the window apron and the medial surface of outer wall to be equipped with sealed glue on gap upper portion, avoided the prefabricated problem of ftractureing between window apron and the outer wall gap that wafts.
Drawings
Fig. 1 is a schematic sectional view of a precast concrete bay window cover plate connection structure of the present invention;
fig. 2 is a schematic front structural view of the prefabricated bay window cover plate of the present invention;
fig. 3 is a schematic back structural view of the prefabricated bay window cover plate of the present invention.
The reference numerals in the schematic drawings illustrate:
1. an outer wall; 2. supporting walls are arranged in the bay window; 3. supporting the beam outside the bay window; 4. prefabricating a bay window cover plate; 4-1, reserving grouting holes; 4-2, rough surface; 5. leveling layer of cement mortar; 6. embedding reinforcing steel bars in advance; 7. grouting material; 8. a caulking agent; 9. and (7) sealing the glue.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
Referring to fig. 1, 2 and 3, the precast concrete bay window cover plate connection structure of the present embodiment includes a precast bay window cover plate 4 installed between an inner bay window support wall 2 and an outer bay window support beam 3, the inner bay window support wall 2 is installed at the inner side of an outer wall 1 and is closely attached to the inner side of the outer wall 1, the outer wall 1 shown in fig. 1 is an assembled outer wall structure, the inner bay window support wall 2 can be made of masonry, the outer bay window support beam 3 is cast and formed in situ according to the design size of the bay window, before the outer bay window support beam 3 is cast in situ, an embedded steel bar 6 extending upwards is installed before the outer bay window support beam 3 is lifted, the precast bay window cover plate 4 is prefabricated and formed in a factory, a grouting hole 4-1 is reserved at one side of the precast bay window cover plate 4 according to the position of the embedded steel bar 6, during installation, the upper surfaces of the inner bay window support wall 2 and the outer bay window support beam 3 are leveled by cement mortar, the two sides of the prefabricated bay window cover plate 4 are respectively bonded on the bay window inner supporting wall 2 and the bay window outer supporting beam 3 through cement mortar leveling layers 5, at the moment, the extending ends of the embedded steel bars 6 are positioned in the reserved grouting holes 4-1, the extending ends of the embedded steel bars 6 are preferably equal to or slightly lower than the upper surface of the prefabricated bay window cover plate 4, then grouting materials 7 are poured in the reserved grouting holes 4-1, and the grouting materials 7 are preferably commercial C60-grade grouting materials. By adopting the structure, the precast concrete floating window cover plate is firm and reliable in connection, simple and convenient to construct, short in construction period and high in construction efficiency, application proportion of precast parts in a building is improved, cast-in-place quantity of a building site is small, and the precast concrete floating window cover plate is energy-saving and environment-friendly.
As shown in fig. 3, in order to improve the bonding strength between the prefabricated bay window cover plate 4 and the cement mortar leveling layer 5, a rough surface 4-2 for bonding with the bay window inner supporting wall 2 and the bay window outer supporting beam 3 is arranged on the back surface of the prefabricated bay window cover plate 4, so that the prefabricated bay window cover plate 4 and the supporting beam are connected more firmly and stably. According to the design of the size of the bay window, more than one embedded steel bar 6 can be arranged on the outer supporting beam 3 of the bay window at intervals, reserved grouting holes 4-1 corresponding to the embedded steel bars 6 in position and quantity are arranged on the prefabricated bay window cover plate 4, and two reserved grouting holes 4-1 are arranged on one side of the prefabricated bay window cover plate 4 at intervals in the figure 2, so that the connection firmness of the prefabricated bay window cover plate 4 is further improved. In addition, in the embodiment, the reserved grouting hole 4-1 on the prefabricated bay window cover plate 4 is of a conical structure with a large top and a small bottom, and a firm locking structure is formed after the grouting material is solidified, so that the connection strength of the bay window cover plate is greatly improved. In addition, for the treatment of the gap between the prefabricated bay window cover plate 4 and the outer wall 1, in this embodiment, a gap filling agent 8 is arranged in the gap between the inner side surface of the prefabricated bay window cover plate 4 and the inner side surface of the outer wall 1, a sealant 9 is arranged at the upper part of the gap, and the gap filling agent 8 can be made of a polyurethane foam material, so that the problem of cracking between the prefabricated bay window cover plate 4 and the gap of the outer wall 1 is effectively solved.
Referring to fig. 1, in the precast concrete bay window cover plate connection structure of the embodiment, before concrete is poured on a floor in situ, embedded steel bars 6 need to be pre-embedded on bay window outer beams 3 at the lower part of a precast bay window cover plate 4; when the prefabricated bay window cover plate 4 is installed, firstly paving a cement mortar leveling layer 5 on the tops of the bay window inner supporting wall 2 and the bay window outer supporting beam 3, then installing the prefabricated bay window cover plate 4 in place, and injecting grouting material 7 into a reserved grouting hole 4-1 on the prefabricated bay window cover plate 4 after the cement mortar is firmly bonded with the prefabricated bay window cover plate 4; and then injecting a polyurethane gap filler 8 into the joint of the outer wall 1 and the prefabricated bay window cover plate 4, and finally sealing the joint by using a sealant 9.
The utility model discloses a precast concrete window apron joint construction that wafts, its prefabrication window apron that wafts bonds on wafts window inner support wall and wafts the window outer corbel through the cement mortar screed-coat, realize firm the connection through locating the embedded bar on the window outer corbel that wafts and the downthehole grout material of reservation grout of the prefabricated window apron that wafts simultaneously, firm in connection is reliable, the construction is simple and convenient, construction cycle is short, the building efficiency is high, the application proportion of prefabricated part in the building has been promoted, the cast-in-place volume of building site is few, and is energy-concerving and environment-protective.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a precast concrete wafts window apron joint construction, is including installing in wafing window interior division wall (2) and wafting the prefabrication between window outer corbel frame (3) and wafing window apron (4), its characterized in that: the floating window is characterized by further comprising embedded steel bars (6) which are arranged on the outer supporting beam (3) of the floating window and extend upwards, reserved grouting holes (4-1) are formed in one side of the prefabricated floating window cover plate (4), two sides of the prefabricated floating window cover plate (4) are bonded to the inner supporting wall (2) of the floating window and the outer supporting beam (3) of the floating window through cement mortar leveling layers (5) respectively, the extending ends of the embedded steel bars (6) are located in the reserved grouting holes (4-1), and grouting materials (7) are poured into the reserved grouting holes (4-1).
2. A precast concrete bay window cover connection structure as claimed in claim 1, wherein: the back of the prefabricated bay window cover plate (4) is provided with a rough surface (4-2) which is used for being bonded with the bay window inner supporting wall (2) and the bay window outer supporting beam (3).
3. A precast concrete bay window cover plate connection structure as claimed in claim 1 or 2, wherein: the prefabricated bay window cover plate is characterized in that more than one embedded steel bar (6) is arranged on the bay window outer supporting beam (3) at intervals, and reserved grouting holes (4-1) corresponding to the embedded steel bars (6) in position and quantity are formed in the prefabricated bay window cover plate (4).
4. A precast concrete bay window cover connection structure as claimed in claim 3, wherein: the reserved grouting hole (4-1) is of a conical structure with a large upper part and a small lower part.
5. A precast concrete bay window cover connection construction as claimed in claim 4, wherein: and a gap between the inner side surface of the prefabricated bay window cover plate (4) and the inner side surface of the outer wall (1) is internally provided with a gap filler (8), and the upper part of the gap is provided with a sealant (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920861941.2U CN210315960U (en) | 2019-06-10 | 2019-06-10 | Precast concrete window apron connection structure that wafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920861941.2U CN210315960U (en) | 2019-06-10 | 2019-06-10 | Precast concrete window apron connection structure that wafts |
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| Publication Number | Publication Date |
|---|---|
| CN210315960U true CN210315960U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920861941.2U Expired - Fee Related CN210315960U (en) | 2019-06-10 | 2019-06-10 | Precast concrete window apron connection structure that wafts |
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| Country | Link |
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| CN (1) | CN210315960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233809A (en) * | 2022-09-05 | 2022-10-25 | 中国建筑西北设计研究院有限公司 | Prefabricated concrete slab and ridge wall combined assembly type inner bay window construction method |
-
2019
- 2019-06-10 CN CN201920861941.2U patent/CN210315960U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233809A (en) * | 2022-09-05 | 2022-10-25 | 中国建筑西北设计研究院有限公司 | Prefabricated concrete slab and ridge wall combined assembly type inner bay window construction method |
| CN115233809B (en) * | 2022-09-05 | 2024-04-19 | 中国建筑西北设计研究院有限公司 | Prefabricated concrete slab and ridged wall combined assembled inner bay window construction method |
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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: 20200414 Termination date: 20210610 |