CN211421372U - Prefabricated beam type balcony and connecting structure of prefabricated beam type balcony and prefabricated wall board - Google Patents
Prefabricated beam type balcony and connecting structure of prefabricated beam type balcony and prefabricated wall board Download PDFInfo
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- CN211421372U CN211421372U CN201921692802.8U CN201921692802U CN211421372U CN 211421372 U CN211421372 U CN 211421372U CN 201921692802 U CN201921692802 U CN 201921692802U CN 211421372 U CN211421372 U CN 211421372U
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Abstract
The utility model provides a prefabricated beam type balcony and its connection structure with prefabricated wallboard, prefabricated beam type balcony include whole prefabricated balcony board and balcony roof beam, and the terminal surface of balcony board connection side is pre-buried to have the exempt from to tear open the template of anchor reinforcing bar, and the anchor reinforcing bar stretches out the terminal surface of balcony board, and the terminal surface of balcony roof beam connection side is pre-buried to have upper and lower two rows of first steel bar connection sleeve. In the connection structure of prefabricated beam type balcony and prefabricated wallboard, the balcony board is shelved in the top side of prefabricated wallboard, prefabricated wallboard top side pre-buried has second steel bar connection sleeve, form the post-cast region between prefabricated wallboard top side and the link of prefabricated beam type balcony, second steel bar connection sleeve is connected with vertical atress muscle and places in the post-cast region, still be provided with the spiral stirrup in the post-cast region, the first transverse reinforcement that is on a parallel with prefabricated wallboard has been alternate in the space that spiral stirrup and anchor reinforcement intersect, the post-cast region concrete links together prefabricated beam type balcony and prefabricated wallboard. The balcony and the main body structure in the scheme are reliably connected.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure, concretely relates to precast beam formula balcony and its connection structure with prefabricated wallboard.
Background
At present, the side surfaces or the surfaces of most prefabricated parts are pre-embedded with extending steel bars, then the prefabricated parts are connected with the steel bars between other prefabricated parts on a construction site, and then concrete is poured to connect two or more prefabricated parts. The balcony is used as a cantilever member and needs to ensure a reliable connection with the main structure. In the prior art, the prefabricated balcony embedded and extended steel bars are connected with the structural main body in a mode of on-site superposition and cast-in-place or connecting part cast-in-place. For example, in the patent of utility model 'a connection structure of prefabricated overlapped balcony' with publication number of 207348236U, the prefabricated wall board is of an overlapped structure, a bottom board of the prefabricated balcony is produced in a factory, and an extending steel bar is embedded in the bottom board; and then concrete is poured above the bottom plate in a construction site, and the balcony, the superposed beam and the superposed floor slab are connected together. On one hand, the complexity of the side die is increased when the prefabricated part is produced in a factory, the production cost is increased, the die is difficult to remove, and the production efficiency is reduced; on the other hand, when the prefabricated part with the extending steel bars is connected with the main structure, in order to guarantee the connection strength, stirrups are required to be placed on the site of the cast-in-place strip and bound with the extending steel bars, so that the construction process is high in labor cost, multiple in operation steps and low in construction efficiency.
Therefore, it is necessary to develop a prefabricated girder type balcony, a connection method and an assembling method thereof with a main body structure so as to achieve reliability and integrity of connection between the prefabricated balcony and the main body.
The utility model has the following contents:
the utility model aims at providing a precast beam formula balcony and its connection structure with prefabricated wallboard, the high, the low in production efficiency of manufacturing cost of the precast beam formula balcony that exists among the solution prior art, the relatively poor technical problem of wholeness when precast beam formula balcony is connected with major structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the prefabricated beam type balcony comprises a balcony slab which is integrally prefabricated and balcony beams on two sides, wherein a disassembly-free template with anchoring steel bars is embedded in the end face of the balcony slab connection side, the anchoring steel bars extend out of the end face of the balcony slab, and an upper row of first steel bar connection sleeves and a lower row of first steel bar connection sleeves are embedded in the end face of the balcony beam connection side. Set up like this, the anchor reinforcing bar is connected as a whole with the template of exempting from to tear open, and precast beam formula balcony is when production, exempts from to tear open the template and regard as the side forms of precast beam formula balcony promptly, need not to tear open the mould again after the concreting maintenance, has improved production efficiency.
Preferably, the anchoring reinforcing steel bars are closed stirrups, and the disassembly-free template is used as a forming template of the balcony slab. The arrangement is that one end of the anchoring steel bar is clamped in the non-dismantling formwork and is anchored in the concrete of the balcony slab together with the non-dismantling formwork, and the other end of the anchoring steel bar is exposed out of the end face of the connection side of the balcony slab, so that the anchoring force of the anchoring steel bar and the anchoring force in the balcony slab are improved, and the connection strength between the balcony slab and other prefabricated parts is ensured.
Preferably, the end face of the balcony beam connecting side is provided with a shear key groove. After concrete is poured into the shear key groove, the shear key is formed, on one hand, the connection strength between the precast beam type balcony and other precast components is improved, and on the other hand, the shear resistance of the balcony beam can be improved.
The utility model provides a connection structure of prefabricated beam type balcony and prefabricated wallboard, including foretell prefabricated beam type balcony and prefabricated wallboard, the balcony board is shelved in the top side of prefabricated wallboard, prefabricated wallboard top side pre-buried has second steel bar connection sleeve, form the post-cast district between the link of prefabricated wallboard top side and prefabricated beam type balcony, second steel bar connection sleeve is connected with vertical atress muscle and places in the post-cast district, still be provided with the spiral stirrup in the post-cast district, the spiral stirrup with it is on a parallel with to alternate in the anchor reinforcing bar crossing space the first transverse reinforcement of prefabricated wallboard, the post-cast concrete in district will prefabricated beam type balcony with prefabricated wallboard links together. Through set up the spiral stirrup in the district of watering after to alternate first transverse reinforcement in spiral stirrup and anchor reinforcing bar crisscross space, retrained spiral stirrup and anchor reinforcing bar through first transverse reinforcement, guaranteed the intensity of district's concrete of watering after, improved the wholeness between balcony board and the prefabricated wallboard simultaneously.
Preferably, the spiral stirrup is a square spiral or a circular spiral. The type of helical stirrup may be provided according to the general shape of the post-cast zone.
Preferably, the upper and lower first steel bar connecting sleeves are respectively connected with an upper longitudinal bar and a lower longitudinal bar, and the upper longitudinal bar and the lower longitudinal bar are both positioned in the post-pouring area. Set up like this, the balcony roof beam is connected through between upper and lower longitudinal bar and the prefabricated wallboard, further improves the joint strength between two components.
Preferably, the tail end of the lower longitudinal rib, which is arranged in the post-pouring area, is provided with an anchoring plate or an anchoring head or an anchoring leg. Therefore, the anchoring force of the lower longitudinal ribs in the post-pouring area can be improved, and the connection strength between the balcony beam and the post-pouring area is ensured.
Preferably, a second transverse steel bar is arranged in a space which is far away from the intersection between the spiral stirrup part of the anchoring rib and the vertical stress rib. Set up like this, the horizontal reinforcing bar of second retrains together between spiral stirrup and the vertical atress muscle, and the three anchors jointly in the district concrete of watering after, has improved the joint strength between district and the prefabricated wallboard of watering after.
Preferably, four third transverse steel bars parallel to the prefabricated wall panel are further arranged at four corners of the post-cast area. The overall strength of the post-cast area concrete can be improved by the arrangement.
The technical scheme of the utility model following beneficial effect has:
1. when the prefabricated beam type balcony is produced, the anchoring steel bars and the non-dismantling template are connected into a whole, the non-dismantling template serves as a side formwork of the prefabricated beam type balcony, one end of the anchoring steel bars and the non-dismantling template are both anchored in concrete of the balcony slab, and the formwork is not required to be dismantled after curing and forming, so that the production efficiency is improved;
2. the prefabricated beam type balcony and the prefabricated wall boards are connected through the post-cast area concrete on the top side of the prefabricated wall boards, the second ends of the anchoring steel bars of the prefabricated beam type balcony are anchored in the post-cast area concrete, and the upper longitudinal bars and the lower longitudinal bars of the balcony beams are also anchored in the post-cast area concrete, so that one side of the balcony slab serving as the overhanging structure is anchored with the post-cast area concrete, and the other two sides of the balcony slab are connected with the balcony beams, so that the reliability of connection of the balcony slab and the main body structure is guaranteed; through set up the spiral stirrup in the district of watering after, retrained spiral stirrup and anchor reinforcing bar through first horizontal reinforcing bar, retrained spiral stirrup and vertical muscle of indulging through the horizontal reinforcing bar of second, guaranteed the intensity of the district concrete of watering after, improved the wholeness between balcony board and the prefabricated wallboard.
Drawings
FIG. 1 is a schematic perspective view of a precast beam type balcony in accordance with an embodiment 1;
FIG. 2 is a schematic perspective view showing the connection of the prefabricated girder balcony with the prefabricated wall panel according to example 2;
FIG. 3 is a first vertical sectional view of the prefabricated girder balcony in example 2, in connection with prefabricated wall panels;
FIG. 4 is a second vertical sectional view of the prefabricated girder balcony in example 2 in connection with prefabricated wall panels;
fig. 5 is a schematic view showing a positional relationship between the spiral stirrup and the first and second transverse reinforcing bars and the anchoring reinforcing bar in example 2;
FIG. 6 is a schematic view showing the positional relationship between the helical stirrups and the first transverse reinforcement, the second transverse reinforcement and the anchoring reinforcement in another embodiment;
in the figure: 01-precast beam type balcony, 1-balcony slab, 2-balcony beam, 3-spiral stirrup, 4-anchoring steel bar, 5-shear key groove, 6-vertical stress bar, 7-first transverse steel bar, 8-first steel bar connecting sleeve, 9-second steel bar connecting sleeve, 10-upper longitudinal bar, 11-lower longitudinal bar, 12-second transverse steel bar, 13-post-pouring area, 02-precast wallboard and 03-precast floor slab.
Detailed Description
The following are provided as preferred embodiments of the present invention to aid in further understanding of the invention. It should be understood by those skilled in the art that the description of the embodiments of the present invention is exemplary only, and is not intended as limiting the inventive aspects.
Example 1
Referring to fig. 1, the prefabricated girder type balcony 01 of the present embodiment includes a balcony slab 1 integrally prefabricated and connected to a balcony beam 2 at both sides, and the balcony slab 1 is flush with the upper surface of the balcony beam 2. The end face of the connecting side of the balcony beam 2 is embedded with an upper row of first steel bar connecting sleeves 8 and a lower row of second steel bar connecting sleeves 8. In this embodiment, the anchoring reinforcing bars 4 are annular closed stirrups, the disassembly-free formwork serves as a forming formwork of the balcony slab 1, one end of each anchoring reinforcing bar 4 penetrates through the disassembly-free formwork and is anchored in concrete of the balcony slab 1, and the other end of each anchoring reinforcing bar is exposed out of the side surface of the balcony slab 1. The disassembly-free template serves as a side mold of the balcony plate 1 during production, and demolding is not needed after the balcony plate 1 is formed, so that production is facilitated; meanwhile, the disassembly-free template and one end of the anchoring steel bar 4 are anchored in the concrete of the balcony slab 1, so that the anchoring force and the anti-pulling capacity of the anchoring steel bar 4 in the balcony slab 1 are enhanced.
Continuing to refer to fig. 1, on the basis of the present embodiment, in a modified embodiment, the end surface of the balcony beam 2 on the connecting side is provided with a shear key groove 5. After concrete is poured into the shear key groove 5, a shear key is formed, so that the connection strength between the precast beam type balcony 01 and other precast components is improved, and the shearing resistance of the balcony beam 2 can be improved.
Example 2
Referring to fig. 2, the present embodiment is a connecting structure of a prefabricated beam balcony 01 and a prefabricated wall panel 02, comprising a prefabricated wall panel 02 and a prefabricated beam balcony 01, wherein the prefabricated beam balcony 01 is in the structural form of embodiment 1. The balcony slab 1 and the balcony beam 2 are both arranged on the top side of the prefabricated wall board 02, and the top side of the prefabricated wall board 02 is connected with vertical stress ribs 6. Because the height of the balcony beam 2 is higher than that of the balcony plate 1, and the upper surfaces of the balcony beam and the balcony plate are flush, a gap is formed in the prefabricated wall plate 02, and the balcony beam 2 is placed in the gap so as to ensure that the balcony plate 1 can be placed on the top surface of the prefabricated wall plate 02. In this embodiment, the balcony beam 2 is shelved in the breach of two prefabricated wallboard 02 vertical piece department, and the balcony beam 2 can be in the same place through cast in situ concrete with two prefabricated wallboard 02 like this, has improved the reliability and the wholeness that prefabricated beam type balcony 01 is connected with prefabricated wallboard 02.
Referring to fig. 2, 3 and 4, in this embodiment, the prefabricated wall panel 02 is an external wall panel, and includes an external decoration layer, an insulating layer and a bearing layer in sequence from outside to inside, wherein the widths of the external decoration layer and the insulating layer exceed those of the bearing layer on the vertical side. Therefore, when the left prefabricated wall board 02 and the right prefabricated wall board 02 are horizontally formed into vertical abutted seams, the vertical abutted seams of the two prefabricated wall boards 02 form a vertical post-pouring area 13. Balcony roof beam 2 presses on the top side of vertical piece, and balcony roof beam 2 sets up in the top side of prefabricated wallboard 02, and the top surface height of prefabricated wallboard 02 is surpassed to the height of balcony roof beam 2. A transverse post-pouring area 13 is also formed between the top side of the prefabricated wall board 02 and the connecting end of the prefabricated beam type balcony 01, the vertical post-pouring area 13 and the transverse post-pouring area 13 are communicated with each other, and stressed steel bars are placed on the site behind the two post-pouring areas 13. Second steel bar connecting sleeves 9 are pre-buried in the top side of the prefabricated wall board 02, a post-pouring area 13 is formed between the top side of the prefabricated wall board 02 and the connecting end of the prefabricated beam type balcony 01, the second steel bar connecting sleeves 9 are connected with vertical stress bars 6 and are arranged in the post-pouring area 13, spiral stirrups 3 are further arranged in the post-pouring area 13, first transverse steel bars 7 parallel to the prefabricated wall board 02 are inserted into crossed spaces of the spiral stirrups 3 and anchoring steel bars 4, and the prefabricated beam type balcony 01 is connected with the prefabricated wall board 02 through cast-in-place concrete in the post-pouring area 13. Referring also to fig. 5, in the present embodiment, the spiral stirrup 3 is a circular spiral. Referring to fig. 6, in other embodiments where the spiral stirrup 3 is a square spiral, the height and width of the square spiral stirrup 3 can be determined according to the size of the post-cast zone 13.
With continued reference to fig. 1 and 4, the upper and lower first steel bar connecting sleeves 8 are connected with an upper longitudinal bar 10 and a lower longitudinal bar 11, respectively, and both the upper longitudinal bar 10 and the lower longitudinal bar 11 are located in the post-cast section 13. Thus, when the concrete of the post-cast area 13 is filled, the upper longitudinal ribs 10 and the lower longitudinal ribs 11 are anchored in the concrete of the post-cast area 13 in the vertical direction of the two prefabricated wall boards 02, the balcony beam 2 and the prefabricated wall boards 02 are reliably connected together, and the connection strength between the balcony beam 2 and the post-cast area 13 is further improved. Referring to fig. 4, the end of the lower longitudinal rib 11 in the post-cast area 13 is provided with an anchor plate or anchor head or anchor leg, so as to further enhance the pulling resistance of the lower longitudinal rib 11 in the concrete of the post-cast area 13 and improve the integrity between the balcony beam 2 and the prefabricated wall panel 02.
Referring to fig. 3 and 5, on the basis of the embodiment, in a modified embodiment, a second transverse reinforcing steel bar 12 is arranged in a space between the part of the spiral stirrup 3 away from the anchoring steel bar and the vertical stress bar 6.
Referring to fig. 3, in another modified embodiment, four third transverse steel bars parallel to prefabricated wall panel 02 are further arranged at four corners of post-cast area 13.
The assembling method of the connecting structure of the precast girder balcony 01 and the precast wall panel 02 in this embodiment substantially comprises the steps of:
s1, hoisting and positioning the lower-layer prefabricated wall board 02, hoisting the prefabricated beam type balcony 01, placing the bottom end of the prefabricated beam type balcony 01 on the top side of the lower-layer prefabricated wall board 02, and fixedly connecting longitudinal ribs on the first steel bar connecting sleeve 8 of the balcony beam 2;
s2, mounting vertical stress bars 6 on a second steel bar connecting sleeve 9 on the top side of the lower-layer prefabricated wall board 02, placing spiral stirrups 3 in a post-pouring area 13 formed between the top side of the lower-layer prefabricated wall board 02 and the connecting end of the prefabricated beam type balcony 01, and then inserting first transverse steel bars 7 in a space where the spiral stirrups 3 and the anchoring bars are crossed;
and S3, pouring concrete in the post-pouring area 13, and curing and forming.
Step S2 further includes: and a second transverse reinforcing steel bar 12 is arranged in a space which is far away from the intersection between the spiral stirrup 3 part of the anchoring steel bar and the vertical stress bar 6.
On the basis of the present embodiment, in another embodiment, the operation in step S2 further includes disposing four transverse steel bars parallel to the prefabricated wall panel 02 at four corners of the post-cast area 13.
On the basis of the embodiment, a prefabricated floor slab 03 is further arranged in other embodiments, and a groove is formed in the connecting end face of the floor slab. During construction, after the step S2 and before the step S3, the method further comprises the following steps of: hoisting the prefabricated floor 03 with the groove on the connecting end face, placing the bottom face of the groove of the prefabricated floor 03 on the top face of the indoor side of the prefabricated wall board 02, and then placing the additional steel bars in the groove; in step S3, concrete is poured into the post-cast area 13 and the grooves of the floor slab, and the concrete is cured and formed.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the protection scope thereof, and although the present application is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: numerous variations, modifications, and equivalents will occur to those skilled in the art upon reading the present application and are within the scope of the claims as issued or as granted.
Claims (8)
1. The prefabricated beam type balcony is characterized by comprising an integrally prefabricated balcony board and balcony beams on two sides, wherein a disassembly-free template with anchoring steel bars is embedded in the end face of the balcony board connecting side, the anchoring steel bars extend out of the end face of the balcony board, and an upper row of first steel bar connecting sleeves and a lower row of first steel bar connecting sleeves are embedded in the end face of the balcony beam connecting side.
2. The precast beam balcony as claimed in claim 1, wherein the anchoring bars are closed stirrups, and the demolition-free form serves as a form of the balcony slab.
3. The precast beam balcony according to claim 2, wherein an end surface of the balcony beam connection side is provided with a shear key groove.
4. A connecting structure of a precast beam balcony and a precast wallboard, comprising the precast beam balcony and the precast wallboard according to any one of claims 1 to 3, wherein the balcony is placed on the top side of the precast wallboard, a second steel bar connecting sleeve is embedded in the top side of the precast wallboard, a post-cast area is formed between the top side of the precast wallboard and the connecting end of the precast beam balcony, the second steel bar connecting sleeve is connected with a vertical stress bar and is arranged in the post-cast area, a spiral stirrup is further arranged in the post-cast area, a first transverse steel bar parallel to the precast wallboard is inserted in a space where the spiral stirrup and the anchoring steel bar intersect, and cast-in-place concrete in the post-cast area connects the precast beam balcony and the precast wallboard together.
5. The connecting structure of a precast beam balcony and a precast wall panel according to claim 4, wherein the spiral stirrup is a square spiral or a circular spiral.
6. A connecting structure of a precast beam balcony and a precast wall panel according to claim 5, wherein upper and lower first steel bar connecting sleeves are connected with upper and lower longitudinal bars, respectively, and the upper and lower longitudinal bars are located in the post-cast area.
7. The connecting structure of the precast beam balcony and the precast wall panel according to claim 6, wherein the end of the lower longitudinal rib placed in the post-cast area is provided with an anchoring plate or an anchoring head or an anchoring leg.
8. The connecting structure of a precast beam balcony and a precast wall panel according to claim 7, wherein a second transverse reinforcement is provided in a space crossing between the spiral stirrup portion away from the anchoring rib and the vertical stress rib.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692802.8U CN211421372U (en) | 2019-10-11 | 2019-10-11 | Prefabricated beam type balcony and connecting structure of prefabricated beam type balcony and prefabricated wall board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692802.8U CN211421372U (en) | 2019-10-11 | 2019-10-11 | Prefabricated beam type balcony and connecting structure of prefabricated beam type balcony and prefabricated wall board |
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| CN211421372U true CN211421372U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670716A (en) * | 2019-10-11 | 2020-01-10 | 中民筑友科技产业有限公司 | Prefabricated beam type balcony, connection structure of prefabricated beam type balcony and prefabricated wall board and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670716A (en) * | 2019-10-11 | 2020-01-10 | 中民筑友科技产业有限公司 | Prefabricated beam type balcony, connection structure of prefabricated beam type balcony and prefabricated wall board and construction method |
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Address after: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee after: Zhuyou Zhizao Technology Industry Group Co.,Ltd. Address before: 10 Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province Patentee before: Zhongmin zhuyou Technology Industry Co.,Ltd. |
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Effective date of registration: 20211221 Address after: 5 / F, office building 2, Zhongmin zhuyou Co., Ltd., No. 10, Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province, 410000 Patentee after: Zhuyou Zhizao Technology Investment Co.,Ltd. Address before: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee before: Zhuyou Zhizao Technology Industry Group Co.,Ltd. |