CN211007181U - External enclosure weight reduction prefabricated wall connecting node - Google Patents
External enclosure weight reduction prefabricated wall connecting node Download PDFInfo
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- CN211007181U CN211007181U CN201921120076.2U CN201921120076U CN211007181U CN 211007181 U CN211007181 U CN 211007181U CN 201921120076 U CN201921120076 U CN 201921120076U CN 211007181 U CN211007181 U CN 211007181U
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Abstract
The utility model provides a peripheral protects prefabricated wall connected node that subtracts heavy, including first prefabricated two-sided coincide wall, second prefabricated two-sided coincide wall, first prefabricated two-sided coincide wall and second prefabricated two-sided coincide wall piece together the folding in the vertical direction, first prefabricated two-sided coincide wall and second prefabricated two-sided coincide wall connect fixedly through cast-in-place roof beam; the upper end of the first prefabricated double-sided superposed wall is provided with a joint bar and a partition plate, the joint bar is embedded in the first prefabricated double-sided superposed wall and partially exposed out of the upper end of the first prefabricated double-sided superposed wall, and the joint bar is exposed out of the first prefabricated double-sided superposed wall and partially penetrates through the partition plate to extend into the cast-in-place beam; a first embedded part is embedded at the lower end of the second prefabricated double-sided superposed wall; a second embedded part is embedded in the upper end of the cast-in-place beam, and the second prefabricated double-sided superposed wall is fixed on the cast-in-place beam through the mutual matching of the first embedded part and the second embedded part, so that the popularization of the prefabricated enclosure wall is facilitated.
Description
Technical Field
The utility model relates to an assembly type structure technical field specifically is a prefabricated wall connection structure.
Background
As prefabricated buildings develop, prefabricated double-skin walls are increasingly used in prefabricated buildings. In the technical standard structure specification GBT51231-2016 of the fabricated concrete building, the traditional prefabricated wall and the prefabricated wall are connected in a hole-to-hole mode through reinforcing steel bars, and the vertical connection is realized through concrete integral pouring. Need insert the reinforcing bar in the hole that corresponds at the actual installation in-process, because the reinforcing bar quantity in this kind of connected node is more to the internal diameter in hole is only slightly bigger than the reinforcing bar diameter, consequently can give the site operation increase the degree of difficulty, and still has drawbacks such as concrete grouting is not closely knit. And current connected node is all to the bearing wall, can't use non-bearing enclosure wall.
In addition, what pack in the two-sided coincide wall of current prefabrication is self-compaction concrete, leads to two skin walls dead weight too big, neither does not benefit to the construction operation nor is unfavorable for structure safety.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connected node for outer enclosure prefabricated wall for solve above-mentioned concrete grout incompact, two skin walls dead weight too big and the complicated scheduling problem of construction.
To achieve the above objective, the present invention provides the following technical solutions: a connecting node of an outer protective weight-reducing prefabricated wall comprises a first prefabricated double-sided superposed wall and a second prefabricated double-sided superposed wall, wherein the first prefabricated double-sided superposed wall and the second prefabricated double-sided superposed wall are spliced and superposed in the vertical direction and are fixedly connected through a cast-in-place beam; the first prefabricated double-sided superposed wall and the second prefabricated double-sided superposed wall are of the same structure and comprise wall bodies with two parallel sides, a filling layer is arranged between the wall bodies, and the filling layer is made of foam concrete; the upper end of the first prefabricated double-sided superposed wall is provided with a joint bar and a partition plate, the partition plate is tiled on the upper end face of the first prefabricated double-sided superposed wall, the joint bar is embedded in the first prefabricated double-sided superposed wall and partially exposed out of the upper end of the first prefabricated double-sided superposed wall, and the part of the joint bar exposed out of the first prefabricated double-sided superposed wall penetrates through the partition plate and then extends into the cast-in-place beam; a first embedded part is embedded at the lower end of the second prefabricated double-sided superposed wall; a second embedded part is embedded in the upper end of the cast-in-place beam, and the second prefabricated double-sided superposed wall is fixed on the cast-in-place beam through mutual matching of the first embedded part and the second embedded part.
Further, in the present invention, the first embedded part includes a first rectangular steel plate and a first connecting part; one end of the first connecting piece is connected with the first rectangular steel plate, and the first connecting piece is embedded in the second prefabricated double-sided superposed wall; and the first rectangular steel plate is attached to the outer side of one wall body of the second prefabricated double-sided superposed wall.
Further, the utility model discloses in, first connecting piece is first anchor bar, first anchor bar includes two at least.
Further, the utility model discloses in, the second built-in fitting includes L shape steel sheet and second connecting piece, and L shape steel sheet includes second rectangle steel sheet and third rectangle steel sheet, the one side that third rectangle steel sheet was kept away from to the second rectangle steel sheet is the lateral surface, and the one end of second connecting piece is connected with the lateral surface of second rectangle steel sheet, and the second connecting piece is buried underground in cast-in-place roof beam, and the lateral surface of second rectangle steel sheet is hugged closely in the up end of cast-in-place roof beam, the one side that first connecting piece was not connected to first rectangle steel sheet is the lateral surface, and third rectangle steel sheet hugs closely in the lateral surface of the first rectangle steel sheet of first built-in fitting.
Further, the utility model discloses in, the second connecting piece is the second anchor bar, the second anchor bar includes two at least.
Furthermore, in the utility model, a group of first embedded parts and second embedded parts are arranged between the second prefabricated double-sided superposed wall and the cast-in-place beam at intervals of one meter in the length direction of the second prefabricated double-sided superposed wall, and a first gap is formed between the second prefabricated double-sided superposed wall and the cast-in-place beam at the position where the first embedded parts and the second embedded parts are not arranged; the left end and the right end of the partition board and the left end and the right end of the first prefabricated double-faced superposed wall are reserved with intervals, the intervals are second gaps, and the first gaps and the second gaps are filled with sealant.
The technical effects are as follows:
1. through setting up the built-in fitting and having removed disadvantages such as reinforcing bar to hole connection and grout incompact from, improved the complicated problem of old node construction in the past.
2. The prefabricated double-sided superposed wall of second can be lifted in the work progress to the second built-in fitting on, the lower terminal surface and the second rectangle steel sheet face contact of the prefabricated double-sided superposed wall of second, first rectangle steel sheet and the contact of third rectangle steel sheet face, and the second rectangle steel sheet can act as the prefabricated wall gasket, and the third rectangle steel sheet can play the effect that provides the horizontal restraint for the prefabricated double-sided superposed wall of second.
3. The application of the foam concrete can reduce the dead weight of the concrete, thereby saving the construction cost and facilitating construction and installation.
4. When the prefabricated wall body is prefabricated in a factory, the structural rigidity of the earthquake resistance is calculated, compared with a connecting node adopting concrete poured by steel bars in the prior art, the connecting node adopts a connecting mode of combining an embedded part, a cast-in-place beam, a partition plate and the steel bars to realize weak connection of the nodes, the influence on the structural rigidity is reduced to the minimum, the data error calculated by theory in advance is reduced to the minimum, and the expected earthquake resistance effect is realized.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a first embedded part according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embedded part according to an embodiment of the present invention.
In fig. 1-3, the reference numerals have the following meanings: 1. a first prefabricated double-sided superposed wall; 2. a first prefabricated double-sided superposed wall; 3. casting a beam in situ; 4. inserting ribs; 5. a partition plate; 6. a first embedded part; 6.1, a first square flat plate; 6.2, a first connecting piece; 7. a second embedded part; 7.1, a second square flat plate; 7.2, a third square flat plate; 7.3 and a second connecting piece.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
Referring to figure 1: the utility model discloses a concrete embodiment provides a connected node for outer enclosure prefabricated wall for two prefabricated two-sided coincide wall are in the ascending connection of vertical side.
For convenience of description, in this embodiment, the two prefabricated double-sided overlapped walls are respectively referred to as a first prefabricated double-sided overlapped wall 1 and a second prefabricated double-sided overlapped wall 2, and the first prefabricated double-sided overlapped wall 1 and the second prefabricated double-sided overlapped wall 2 are connected and fixed through a cast-in-place beam 3.
The first prefabricated double-sided laminated wall 1 and the second prefabricated double-sided laminated wall 2 are prefabricated, namely, the prefabricated double-sided laminated wall is cast and produced in a factory and then transported to a construction site for assembly. The cast-in-place beam 3 is directly cast by concrete on a construction site.
The first prefabricated double-sided superposed wall 1 and the second prefabricated double-sided superposed wall 2 are identical in structure and comprise wall bodies with two parallel sides, and filling layers are arranged between the wall bodies. The two walls are connected by truss ribs, and foam concrete is poured in the filling layer in advance in a factory. The application of the foam concrete can reduce the dead weight of the concrete and facilitate construction and installation.
The upper end of the first prefabricated double-sided superposed wall 1 is provided with a dowel bar 4 and a partition plate 5, and the dowel bar 4 is embedded at the upper end of the first prefabricated double-sided superposed wall 1 in advance in a factory. One part of the dowel bar 4 is embedded in a filling layer inside the first prefabricated double-sided overlapped wall 1, and the other part of the dowel bar is exposed out of the upper end of the first prefabricated double-sided overlapped wall 1. The partition plate 5 is arranged on the upper end face of the first prefabricated double-sided superposed wall 1 in a factory in advance, the part of the inserted bar 4 exposed out of the first prefabricated double-sided superposed wall 1 penetrates through the partition plate 5, the cast-in-situ beam 3 can be poured at the upper end of the first prefabricated double-sided superposed wall 1 in a construction site, and the part of the inserted bar 4 penetrating through the partition plate 5 extends to the inside of the cast-in-situ beam 3. The spacer 5 may be a polystyrene board.
A first embedded part 6 is embedded at the lower end of the second prefabricated double-sided superposed wall 2, a second embedded part 7 is embedded at the upper end of the cast-in-place beam 3, and the second prefabricated double-sided superposed wall 2 is fixed on the cast-in-place beam 3 through the mutual matching of the first embedded part 6 and the second embedded part 7. The cast-in-place beam 3, the first embedded part 6, the second embedded part 7 and the dowel bars 4 can be used for realizing the connection of the first prefabricated double-sided superposed wall 1 and the second prefabricated double-sided superposed wall 2, the partition plates 5 are arranged between the first prefabricated double-sided superposed wall 1 and the cast-in-place beam 3 and have the functions of separating the first prefabricated double-sided superposed wall 1 from the cast-in-place beam 3 and preventing the first prefabricated double-sided superposed wall 1 from being poured into a whole, the influence on the structural rigidity is further reduced to the minimum, and meanwhile, the installation error can be adjusted due to the fact that the partition plates 5 are.
The connection and fixation between the second prefabricated double-sided superposed wall 2 and the cast-in-place beam 3 are related to the specific structures of the first embedded part 6 and the second embedded part 7.
Referring to FIG. 2: the first embedded part 6 comprises a first rectangular steel plate 6.1 and a first connecting piece 6.2. The first connecting piece 6.2 is embodied as a first dowel, and the first dowel comprises at least two pieces. Fig. 2 shows a preferred embodiment, with four first dowels,
representative are 4 dowels with a diameter of 8 mm. One end of the first connecting piece 6 is connected with the first rectangular steel plate 6.1 in a submerged arc pressure welding mode, and the other end of the first connecting piece is embedded in the second prefabricated double-sided superposed wall 2. The first embedded part 6 is specifically installed at the lower end of the second prefabricated double-sided superposed wall 2, the first rectangular steel plate 6.1 is tightly attached to the outer side of one wall body of the second prefabricated double-sided superposed wall 2 in parallel, and the first connecting part 6.2 is embedded in the filling layer, so that the first embedded part 6 is firmly installed at the lower end of the second prefabricated double-sided superposed wall 2。
Referring to fig. 3, the second embedded part 7 comprises an L-shaped steel plate and second connecting pieces 7.3, the L-shaped steel plate comprises a second rectangular steel plate 7.1 and a third rectangular steel plate 7.2, one side, far away from the third rectangular steel plate 7.2, of the second rectangular steel plate 7.1 is an outer side face, one end of the second connecting piece 7.3 is installed on the outer side face of the second rectangular steel plate 7.1 in a submerged arc pressure welding mode, the other end of the second connecting piece 7.3 is embedded in the cast-in-place beam 3, the second connecting pieces 7.3 are specifically second inserting bars, and the second inserting bars at least comprise two inserting bars, a preferable embodiment is shown in fig. 3, and the number of the second inserting bars is four.
The outer side surface of the second rectangular steel plate 7.1 is tightly attached to the upper end surface of the cast-in-place beam 3, the side, which is not connected with the first connecting piece 6.2, of the first rectangular steel plate 6.1 is the outer side surface, and the third rectangular steel plate 7.2 is tightly attached to the outer side surface of the first rectangular steel plate 6.1. The area of the third rectangular steel plate 7.2 is smaller than that of the first rectangular steel plate 6.1, and the other three sides of the third rectangular steel plate 7.2 except the bottom side intersected with the second rectangular steel plate 7.1 have partial areas which are not in contact with the first rectangular steel plate 6.1. And welding the edge joint between the third rectangular steel plate 7.2 and the first rectangular steel plate 6.1, and further realizing the connection between the second prefabricated double-faced superposed wall 2 and the cast-in-place beam 3.
In the construction process, after the second prefabricated double-sided superposed wall 2 is lifted to the construction station, the second prefabricated double-sided superposed wall falls on the second embedded part 7, the lower end face of the second prefabricated double-sided superposed wall 2 is in surface contact with the second rectangular steel plate 7.1, the first rectangular steel plate 6.1 is in surface contact with the third rectangular steel plate 7.2, the second rectangular steel plate 7.1 can serve as a prefabricated wall gasket, and the third rectangular steel plate 7.2 can play a role in providing horizontal restraint for the second prefabricated double-sided superposed wall 2.
And a group of first embedded parts 6 and second embedded parts 7 are arranged between the second prefabricated double-faced superposed wall 2 and the cast-in-place beam 3 at intervals of one meter in the length direction. The second rectangular steel plate 7.1 has a certain thickness, so that a first gap exists between the second prefabricated double-sided laminated wall 2 and the cast-in-place beam 3 at a place where the first embedded part 6 and the second embedded part 7 are not arranged. Because the partition board 5 is not waterproof, and the partition board 5 has a certain thickness, so water can easily permeate through the partition board 5, in the actual operation process, the area of the partition board 5 is smaller than that of the upper end surface of the first prefabricated double-sided superposed wall 1, and the left end and the right end of the partition board 5 and the left end and the right end of the first prefabricated double-sided superposed wall 1 are reserved with intervals, wherein the intervals are second gaps. And the first gap and the second gap are filled with sealant, so that the effects of water prevention and leakage stoppage can be achieved simultaneously.
The utility model provides a connected node has removed the reinforcing bar from through setting up the built-in fitting and has connected and drawbacks such as grout inelegant, has improved the complicated problem of old node construction in the past, helps the popularization of prefabricated enclosure wall. The prefabricated double-sided superposed wall of second can be lifted in the work progress to the second built-in fitting on, the lower terminal surface and the second rectangle steel sheet face contact of the prefabricated double-sided superposed wall of second, first rectangle steel sheet and the contact of third rectangle steel sheet face, and the second rectangle steel sheet can act as the prefabricated wall gasket, and the third rectangle steel sheet can play the effect that provides the horizontal restraint for the prefabricated double-sided superposed wall of second. The application of the foam concrete can reduce the dead weight of the concrete, thereby saving the construction cost and facilitating construction and installation. When the prefabricated wall body is prefabricated in a factory, the structural rigidity of the earthquake resistance is calculated, compared with a connecting node adopting concrete poured by steel bars in the prior art, the connecting node adopts a connecting mode of combining an embedded part, a cast-in-place beam, a partition plate and the steel bars to realize weak connection of the nodes, the influence on the structural rigidity is reduced to the minimum, the data error calculated by theory in advance is reduced to the minimum, and the expected earthquake resistance effect is realized.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (6)
1. The utility model provides a peripheral protecting subtracts heavy prefabricated wall connected node, includes first prefabricated two-sided coincide wall (1), the prefabricated two-sided coincide wall of second (2), its characterized in that: the first prefabricated double-sided superposed wall (1) and the second prefabricated double-sided superposed wall (2) are spliced and superposed in the vertical direction, and the first prefabricated double-sided superposed wall (1) and the second prefabricated double-sided superposed wall (2) are fixedly connected through a cast-in-place beam (3);
the first prefabricated double-sided superposed wall (1) and the second prefabricated double-sided superposed wall (2) are identical in structure and comprise wall bodies with two parallel sides, a filling layer is arranged between the wall bodies, and the filling layer is made of foam concrete;
the upper end of the first prefabricated double-sided superposed wall (1) is provided with a dowel (4) and a partition plate (5), the partition plate (5) is flatly laid on the upper end surface of the first prefabricated double-sided superposed wall (1), the dowel (4) is embedded in the first prefabricated double-sided superposed wall (1) and partially exposed out of the upper end of the first prefabricated double-sided superposed wall (1), and the part of the dowel (4) exposed out of the first prefabricated double-sided superposed wall (1) penetrates through the partition plate (5) and then extends into the cast-in-place beam (3);
a first embedded part (6) is embedded at the lower end of the second prefabricated double-sided superposed wall (2);
a second embedded part (7) is embedded in the upper end of the cast-in-place beam (3), and the second prefabricated double-sided superposed wall (2) is fixed on the cast-in-place beam (3) through the mutual matching of the first embedded part (6) and the second embedded part (7).
2. An external enclosure weight-reduction prefabricated wall connecting node as claimed in claim 1, wherein: the first embedded part (6) comprises a first rectangular steel plate (6.1) and a first connecting piece (6.2);
one end of the first connecting piece (6.2) is connected with the first rectangular steel plate (6.1), and the first connecting piece (6.2) is embedded in the second prefabricated double-sided superposed wall (2);
and the first rectangular steel plate (6.1) is attached to the outer side of one wall body of the second prefabricated double-sided superposed wall (2).
3. An external enclosure weight-reduction prefabricated wall connecting node as claimed in claim 2, wherein: the first connecting piece (6.2) is a first anchor bar, and the first anchor bar at least comprises two anchor bars.
4. The external enclosure weight-reducing prefabricated wall connecting node is characterized in that the second embedded parts (7) comprise L-shaped steel plates and second connecting pieces (7.3), and the L-shaped steel plates comprise second rectangular steel plates (7.1) and third rectangular steel plates (7.2);
one surface, far away from the third rectangular steel plate (7.2), of the second rectangular steel plate (7.1) is an outer side surface, one end of the second connecting piece (7.3) is connected with the outer side surface of the second rectangular steel plate (7.1), and the second connecting piece (7.3) is embedded in the cast-in-place beam (3);
the outer side face of the second rectangular steel plate (7.1) is tightly attached to the upper end face of the cast-in-place beam (3), the side face, which is not connected with the first connecting piece (6.2), of the first rectangular steel plate (6.1) is the outer side face, and the third rectangular steel plate (7.2) is tightly attached to the outer side face of the first rectangular steel plate (6.1) of the first embedded part (6).
5. An external enclosure weight-reduction prefabricated wall connecting node as claimed in claim 4, wherein: the second connecting piece (7.3) is a second anchor bar, and the second anchor bar at least comprises two anchor bars.
6. An external enclosure weight-reduction prefabricated wall connecting node as claimed in claim 1, wherein: a group of first embedded parts (6) and second embedded parts (7) are arranged between the second prefabricated double-sided superposed wall (2) and the cast-in-place beam (3) at intervals of one meter in the length direction of the second prefabricated double-sided superposed wall, and first gaps exist between the second prefabricated double-sided superposed wall (2) and the cast-in-place beam (3) at positions where the first embedded parts (6) and the second embedded parts (7) are not arranged;
the left end and the right end of the partition plate (5) and the left end and the right end of the first prefabricated double-sided superposed wall (1) are reserved with intervals, and the intervals are second gaps;
and sealant is filled in the first gap and the second gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921120076.2U CN211007181U (en) | 2019-07-17 | 2019-07-17 | External enclosure weight reduction prefabricated wall connecting node |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921120076.2U CN211007181U (en) | 2019-07-17 | 2019-07-17 | External enclosure weight reduction prefabricated wall connecting node |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397190A (en) * | 2019-07-17 | 2019-11-01 | 江苏龙腾工程设计股份有限公司 | A kind of peripheral protective loss of weight dry wall connecting node and its construction method |
| CN113136991A (en) * | 2021-04-27 | 2021-07-20 | 申保军 | Connection method for filling gaps between wall and main structure beam |
| CN113529974A (en) * | 2021-06-17 | 2021-10-22 | 中建一局集团建设发展有限公司 | Embedded fastening bolt wall guide system and construction method |
-
2019
- 2019-07-17 CN CN201921120076.2U patent/CN211007181U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397190A (en) * | 2019-07-17 | 2019-11-01 | 江苏龙腾工程设计股份有限公司 | A kind of peripheral protective loss of weight dry wall connecting node and its construction method |
| CN113136991A (en) * | 2021-04-27 | 2021-07-20 | 申保军 | Connection method for filling gaps between wall and main structure beam |
| CN113529974A (en) * | 2021-06-17 | 2021-10-22 | 中建一局集团建设发展有限公司 | Embedded fastening bolt wall guide system and construction method |
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