CN207376871U - A kind of precast wall body structure and combined wall structure for dry type connection - Google Patents
A kind of precast wall body structure and combined wall structure for dry type connection Download PDFInfo
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- CN207376871U CN207376871U CN201721122788.9U CN201721122788U CN207376871U CN 207376871 U CN207376871 U CN 207376871U CN 201721122788 U CN201721122788 U CN 201721122788U CN 207376871 U CN207376871 U CN 207376871U
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- wall
- body structure
- wall body
- precast
- precast wall
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Abstract
The utility model discloses a kind of precast wall body structures and combined wall structure for dry type connection, several connecting portions that precast wall body structure therein includes spaced two panels wall and is connected with each other it in interval region, by in its positive both sides and side connecting hole being set to construct connecting end surface, and pass through the connecting end surface and be connected with each other using connecting component.The precast wall body structure also has handle hole, convenient for accessing connector into connecting hole.Precast wall body structure provided by the utility model can remove wet type from and connect relatively cumbersome process, and the simple and quick cost of work progress is more cheap, is conducive to the standardization of wall body structure component and working procedure.The utility model additionally provides a kind of combined wall structure being connected with each other using multiple above-mentioned precast wall body structures.
Description
Technical field
The utility model is related to building engineering fields, and in particular to a kind of precast wall body structure for dry type connection makes
With the combined wall structure of the precast wall body structure.
Background technology
Housing industry emphasizes that large-scale industrial production mode manufactures house, to improve production efficiency and total quality,
The international mainstream toward the development of residence building trade at present is become.The prefabricated assembled main technology of coagulation is filled by prefabrication, scene
Match somebody with somebody, can with shorten the construction period, reduce cost, ensure structural quality, it is energy saving with resource, reduce building waste for environment
Harmful effect, development prefabricated construction system be house Wang Yeization only way.
Wet type connection method is used mostly for the connection of prefabricated assembled wall structure at present, i.e., is reserved between two panels wall
Certain region is as node, during construction, is enclosed the node using template, inside placing concrete treats that concrete reaches strong
Degree requirement recession mould.Wet type connection method shortcoming is to spend the time longer, and arrangement of reinforcement is complicated in node, and cost is higher.For above-mentioned
There is dry type connection method at present in problem, i.e. wall is directly connected to each other by connecting components such as bolts.How to be set on wall
Connection structure is put to ensure that the intensity requirement of node is the key that dry type connection method.
Utility model content
The purpose of this utility model be to provide it is a kind of construct for dry type connection method, and simple and quick prefabricated of connection mode
Wall body structure
To achieve these goals, a kind of precast wall body structure for dry type connection provided by the utility model, this is pre-
Wall body structure processed includes：
Spaced first wall and the second wall, interval region, which is equipped with connecting portion, makes first wall, the second wall
Body connects side by side, and the connecting portion height is equal with first wall, the second wall height；
The connecting portion includes, respectively positioned at the first connecting portion of first wall, the second wall interval region both sides,
Two first connecting portion one sides flush respectively with first wall, the second wall side, and jointly constructs go out the dry wall
The side of body structure；Also there is at least one second connecting portion, the second connecting portion and institute between described two first connecting portions
It is spaced to state first connecting portion, constructs two the first cast-in-place cavitys；
At least one first connecting portion is equipped with the first connecting hole of multiple longitudinal arrangements, which laterally passes through
Lead to the first connecting portion, the side of the precast wall body structure is made to be configured to the first connecting end surface；
First wall and/or the second wall front position are equipped with operation with the corresponding region of the first connecting hole
Hole and the second connecting hole, the handle hole connect first wall and/or the second wall front and the described first cast-in-place cavity,
Second connecting hole connects first wall and/or the second wall front and first connecting hole, first wall
And/or second wall front both sides and its prolong respectively along the second connecting hole orientation between the adjoining handle hole
The region stretched is configured to second connection end face；
The a plurality of reinforcing bar being longitudinally arranged is equipped in first wall, the second wall.
Further, there is the second connecting portion of multiple spaced arrangements, this is more between described two first connecting portions
At least one second cast-in-place cavity is constructed between a second connecting portion.
Further or preferably, the precast wall body structure is equipped with along its thickness direction and penetrates through first wall, second
The door and window region of wall and second connecting portion.
Further or preferably, the reinforcing bar of transverse and longitudinal interlaced arrangement is through first wall, the second wall.
Preferably, the contact surface of first wall, the second wall and the described first cast-in-place cavity is equipped with several dew muscle
Slot is arranged in first wall, position and described first cast-in-place corresponding reinforcing bar at least a portion of cavity in the second wall
In the channel space formed positioned at the dew muscle slot.
Further or preferably, first wall, the second wall front are equipped with several suspension centres.
Further or preferably, first wall or the second wall front be equipped with along away from the precast wall body structure according to
The secondary insulating layer being arranged in juxtaposition and outer impeller.
Second aspect, the utility model, which provides, a kind of to be mutually permanently connected using several above-mentioned precast wall body structures
Combined wall structure, the combined wall structure further include to connect the connecting component of the precast wall body structure.
Further or preferably, the combined wall structure includes two precast wall body structures, this two prefabricated
Wall body structure is laterally fixedly connected by respective first connecting end surface.
Further or preferably, the combined wall structure includes：
The first precast wall body structure being laterally fixedly connected by respective first connecting end surface and the second dry wall
Body structure；
Connect by the second of first connecting end surface and the first precast wall body structure or the second precast wall body structure
3rd precast wall body structure of the longitudinally fixed connection of contact surface.
Precast wall body structure provided by the utility model, by its positive both sides and side connecting hole being set to construct company
Contact surface, and pass through the connecting end surface and be connected with each other using connecting component, it eliminates wet type and connects relatively cumbersome process, construction
The simple and quick cost of process is more cheap, is conducive to the standardization of wall body structure component.The precast wall body structure is additionally provided with operation
Hole, conveniently accessible connecting component.
Description of the drawings
Fig. 1 is a kind of main view for the first embodiment of the precast wall body structure of dry type connection provided by the utility model
Figure.
Fig. 2 is a kind of left view for the first embodiment of the precast wall body structure of dry type connection provided by the utility model
Figure.
Fig. 3 is a kind of vertical view for the first embodiment of the precast wall body structure of dry type connection provided by the utility model
Figure.
Fig. 4 is a kind of vertical view of second of embodiment of precast wall body structure for dry type connection provided by the utility model
Figure.
Fig. 5 is a kind of main view for the third embodiment of the precast wall body structure of dry type connection provided by the utility model
Figure.
Fig. 6 is a kind of main view of the 4th kind of embodiment of precast wall body structure for dry type connection provided by the utility model
Figure.
Fig. 7 is a kind of main view of the 5th kind of embodiment of precast wall body structure for dry type connection provided by the utility model
Figure.
Fig. 8 is a kind of left view of the 5th kind of embodiment of precast wall body structure for dry type connection provided by the utility model
Figure.
Fig. 9 is a kind of main view of the 6th kind of embodiment of precast wall body structure for dry type connection provided by the utility model
Figure.
Figure 10 is a kind of master of the 7th kind of embodiment of precast wall body structure for dry type connection provided by the utility model
View.
Figure 11 is that a kind of precast wall body structure for dry type connection provided by the utility model is applied in external wall structure
The top view of embodiment.
Figure 12 is a kind of front view of the first embodiment of combined wall structure provided by the utility model.
Figure 13 is a kind of top view of the first embodiment of combined wall structure provided by the utility model.
Figure 14 is a kind of front view of second of embodiment of combined wall structure provided by the utility model.
Figure 15 is a kind of top view of second of embodiment of combined wall structure provided by the utility model.
Figure 16 is a kind of front view of the third embodiment of combined wall structure provided by the utility model.
Figure 17 is a kind of top view of the third embodiment of combined wall structure provided by the utility model.
Figure 18 is a kind of the first embodiment connecting portion partial enlargement of combined wall structure provided by the utility model
Schematic diagram.
Figure 19 is a kind of second of embodiment connecting portion partial enlargement of combined wall structure provided by the utility model
Schematic diagram.
Figure 20 is a kind of the third embodiment connecting portion partial enlargement of combined wall structure provided by the utility model
Schematic diagram.
Figure 21 is for pouring a kind of mold master of precast wall body structure for dry type connection provided by the utility model
View.
Figure 22 is to bow for pouring a kind of mold of precast wall body structure for dry type connection provided by the utility model
View.
In figure：
1. 5. first connecting hole 6. second of the first 2. second wall of wall, 3. first connecting portion, 4. second connecting portion connects
Connect 7. first connecting end surface of hole, 8. second connection end face, 9. first cast-in-place 10. second cast-in-place 11. handle hole of cavity of cavity
12. reinforcing bar 13. reveals 14. door and window region of muscle slot, 15. suspension centre, 16. insulating layer, 17. outer 18. first precast wall body structure of impeller
19. 22. nut of the second 21. bolt of precast wall body the 3rd precast wall body structure of structure 20.
Specific embodiment
It please refers to Fig.1 to 11, a kind of precast wall body structure for dry type connection provided by the utility model, feature exists
In the precast wall body structure includes：
Spaced first wall, 1 and second wall 2, interval region, which is equipped with connecting portion, makes first wall 1, second
Wall 2 connects side by side, and the connecting portion height is equal with first wall 1,2 height of the second wall；
The connecting portion includes, respectively positioned at the first connection of first wall 1,2 interval region both sides of the second wall
Portion 3, two 3 one sides of first connecting portion flush respectively with first wall 1,2 side of the second wall, and jointly constructs go out described
The side of precast wall body structure；Also there is at least one second connecting portion 4, second company between described two first connecting portions 3
Socket part 4 and the first connecting portion 3 are spaced, construct two the first cast-in-place cavitys 9；
At least one first connecting portion 3 is equipped with the first connecting hole 5 of multiple longitudinal arrangements, and first connecting hole 5 is horizontal
To the first connecting portion 3 is penetrated through, the side of the precast wall body structure is made to be configured to the first connecting end surface 7；
First wall, 1 and/or second wall, 2 front position is equipped with the 5 corresponding region of the first connecting hole
11 and second connecting hole 6 of handle hole, the handle hole 11 connect 1 and/or second wall of the first wall, 2 front and described the
One cast-in-place cavity 9, second connecting hole 6 connect 1 and/or second wall of the first wall, 2 front and are connected with described first
Hole 5, the positive both sides of 1 and/or second wall of the first wall 2 and its distinguish between the adjoining handle hole 11 along described
The region of second connecting hole, 6 orientation extension is configured to second connection end face 8, the area in the second connection end face 8 with it is pre-
Wall body structure lateralarea processed is equal；
The reinforcing bar 12 of a plurality of transverse and longitudinal interlaced arrangement is equipped in first wall 1, the second wall 2.
With the precast wall body structure being set as above, its role is to：
First, first, second connecting end surface and first, second connecting hole that precast wall body structure has by it carry out straight
It connects and is fixedly connected, eliminate formwork, poured concrete, treat that concrete reaches the technological process of intensity requirement, simplify wall and apply
Work process；
Second, the effect of handle hole 11 is easy for accessing connector to the first connecting hole 5, concrete shape and area not structure
The limitation of paired the utility model, those skilled in the art should meet with needing to be configured handle hole 11 according to construction
Space size is large enough to hold the operation of connector access instrument.
3rd, by handle hole 11 after the connection that connecting hole accesses that connector completes wall body structure, it will be grasped using template
Make hole 11 to seal, then poured concrete completes the fastening of wall body structure into cast-in-place cavity；
4th, the first connecting hole 5 can be provided only in one of first connecting portion 3, i.e. precast wall body structure only has
One the first connecting hole of row 5, corresponding, the second connecting hole 6 and handle hole 11 also only have a row, and the precast wall body structure is only
It is combined by one side and other precast wall body structures, opposite side can also pass through other construction methods (according to the prior art)
It is constructed；Can also (such as attached drawing 1,5,7) the first connecting end surface 7 and the second connection are constructed in precast wall body structure both sides
End face 8.
The cast-in-place cavity of the precast wall body structure can be only two, be respectively adjacent to the both sides of precast wall body structure, at this time
The precast wall body structure middle body is solid construction.In order to mitigate the weight of precast wall body structure, convenience in transport and lifting, such as
Shown in Fig. 4, as further improvement of the utility model, with multiple spaced arrangements between two first connecting portions 3
Second connecting portion 4 constructs at least one second cast-in-place cavity 10 between the plurality of second connecting portion 4.Terminate wall body structure
After connection, into cast-in-place cavity, poured concrete completes the fastening construction of wall body structure.
It will be apparent to a skilled person that the wall with as above cast-in-place cavity structure, uses and pays mold in advance
Molding method is poured to make.Figure 21,22 are a kind of embodiment for the sectional die for being used to pour precast wall body.As schemed
Show, sectional die includes the mold frame for the rectangle that exterior sheathing enclosing forms, four sides of exterior sheathing, that is, mold frame, this field
Technical staff can should according to actual needs set the quantity of exterior sheathing, for example, mold frame is wherein while can be by several
Block plate is composed.Mold frame wherein has offers jack on two blocks of opposed exterior sheathings, and first is called in the present embodiment
Exterior sheathing.Jack position corresponds on two piece of first exterior sheathing, forms a pair of of jack.The width of jack is less than the first external mold
The width of plate, in the present embodiment, jack are equal with the distance of first two long sides of exterior sheathing, i.e., jack is in the first exterior sheathing
It is located at the middle position of the first exterior sheathing on width.Inner template and internal module are additionally provided in mold frame.Wherein, internal model
Block by each jack on the first exterior sheathing through sectional die, between inner template length and two the first exterior sheathings away from
From equal, level is laid in the mold frame, and inner template one side at the top of the internal module with mutually overlapping to obtain the latter's
Support.Inner template and internal module construct at least one be located in mold frame and the concrete with pouring into mold frame is separated by
From cast-in-place region.
Specifically arrangement can only be laid in wall body structure according to the prior art to the reinforcing bar 12 of the precast wall body structure
Do not expose wall or such as the present embodiment is through precast wall body structure, for being connected with levels wall.Such as Fig. 7,8
Shown, as an improvement of this embodiment, the stretching precast wall body structure distance of reinforcing bar 12 is longer, uses this kind of precast wall body knot
When structure carries out levels wall connecting, upper and lower ends form double reinforcement constitution.Wall body structure with this kind of embodiment
Wall connecting available for high-rise room.
As a kind of preferred improved procedure of the embodiment, the first wall 1, the second wall 2 and the described first cast-in-place sky
The contact surface of chamber 9 is equipped with several dew muscle slots 13, and the first wall 1, the second wall 2 and the described first cast-in-place 9 contact surface of cavity are set
There are several dew muscle slots 13, be arranged in first wall 1, position is corresponding with the described first cast-in-place cavity 9 in the second wall 2
12 at least a portion of reinforcing bar be located in the channel space that the dew muscle slot 13 is formed.Make in the wall body structure at dew muscle slot 13
Longitudinally exposed reinforcing bar 12 overlaps for exposed reinforcing bar 12 and lower floor's wall top, and levels wall is made to be connected when cast-in-place, is improved
Integral strength；The reinforcing bar 12 and cast-in-place concrete exposed simultaneously directly bonds, and strengthens the combination of new-old concrete, and effectively enhancing is existing
Pour the bearing capacity of wall.Concrete material pours into the combination that the protrusion construction that dew muscle slot 13 is formed strengthens new-old concrete, enhancing
The globality of wall body structure helps to improve the waterproof ability of cast-in-situ wall.
It, can be thick along precast wall body structure as shown in Fig. 9,10 when precast wall body structure middle body is solid construction
Spend the door and window region 14 that direction penetrates through first wall 1, the second wall 2 and second connecting portion 4.
As a kind of preferred improved procedure, as shown in figure 5, the first wall 1,2 front of the second wall are hung equipped with several
Point 15, it can be cavernous structure as shown in Figure 5, and the suspension centre 15 effect is engaged with the hook part of handling appliance.
As a kind of preferred improved procedure, as shown in figure 11, the first wall 1 or 2 front of the second wall are equipped with along separate
There is the insulating layer 16 and outer impeller 17 that the precast wall body structure is arranged in juxtaposition successively the precast wall body structure being set as above to make
It is used for external wall.It will be apparent to a skilled person that when insulating layer 16 and outer impeller 17 are set, precast wall body knot
Structure only can set 11 and second connecting hole 6 of handle hole in one side front, and the face is inside compared with floor area at this time.At some
During building wall, the metope for setting 11 and second connecting hole 6 of handle hole is outside compared with floor area, at this time can be complete
Into after the docking construction (as previously described) of precast wall body structure, insulating layer 16 and outer impeller 17 are re-layed.
Second aspect, the utility model additionally provide a kind of several precast wall body structures as described above of use and are mutually combined
The combined wall structure formed, wherein precast wall body structure are mutually permanently connected using connecting component, and connecting component is according to existing
There are the choice of technology, such as bolt for building.
It should be appreciated that the particular number and type of attachment of precast wall body structure are actually applied according to building construction planning
Work needs to select, and illustratively provides two kinds of precast wall body structure combinations below.
As described in Figure, combined wall structure includes two precast wall body structures, which leads to
Respective first connecting end surface 7 is crossed laterally to be fixedly connected.
As shown in Figure 12,13, combined wall structure includes：
The first precast wall body structure 18 and second being laterally fixedly connected by respective first connecting end surface 7 is prefabricated
Wall body structure 19 makes wall integrally in approximate " word " shape；
Pass through the of first connecting end surface 7 and the first precast wall body structure 18 or the second precast wall body structure 19
3rd precast wall body structure 20 of two connecting end surfaces, 8 longitudinally fixed connection.
The embodiment includes two kinds of wall forms：
One, as shown in Figure 14,15, the 3rd precast wall body mechanism and neighbouring first, second precast wall body structure binding site
It is connected, it is in integrally approximate T-shape to make wall；
Two, as shown in Figure 16,17, the 3rd precast wall body mechanism and separate first, second precast wall body structure binding site
The first connecting end surface 7 be connected, make wall integrally in approximate L-shaped.
Figure 18 to 20 is the connection diagram of this said combination formula wall body structure embodiment, wherein, connecting component is bolt
21 and nut 22.As shown in figure 18, can be that bolt is first screwed in from handle hole in the embodiment of the first combined wall
21 and 21 both ends of bolt is made to be located at respectively in two panels wall, then its both ends tightened respectively with nut 22.
Such as the connection enlarged diagram that Figure 20 is its L-shaped combined wall in above-described embodiment, but should also be as being understood to
The example that two panels precast wall body structure is connected with each other respectively by its first and second connecting end surface.It can during its Specific construction
To do accommodation, the second connecting hole 6 of a piece of precast wall body structure is such as arranged to threaded hole or is set in advance into thread bush,
Bolt 21 is screwed in into the second connecting hole 6 afterwards, another precast wall body structure is moved into, by the way that the bolt screwed in advance 21 is inserted into
The method of first connecting hole 5 of the precast wall body structure is positioned, and is tightened finally by nut 22.
Figure 19 is the connection enlarged diagram of its T-shaped combined wall in above-described embodiment, but should also be as being understood to be
The combination example of " word " shape and L-shaped wall, specific connection method repeat no more herein.
Specific case used herein elaborates inventive concept, the explanation of above example is only intended to
It helps to understand core concept of the invention.It should be pointed out that for those skilled in the art, this is not being departed from
On the premise of inventive concept, any obvious modification, equivalent substitution or the other improvements made should be included in the present invention
Protection domain within.
Claims (10)
1. a kind of precast wall body structure for dry type connection, which is characterized in that the precast wall body structure includes：
Spaced first wall (1) and the second wall (2), interval region, which is equipped with connecting portion, makes first wall (1), the
Two walls (2) connect side by side, and the connecting portion height is equal with first wall (1), the second wall (2) height；
The connecting portion includes, respectively positioned at first connection of first wall (1), the second wall (2) interval region both sides
Portion (3), two first connecting portion (3) one sides flush respectively with first wall (1), the second wall (2) side, common structure
Produce the side of the precast wall body structure；Also there is at least one second connecting portion between described two first connecting portions (3)
(4), the second connecting portion (4) and the first connecting portion (3) are spaced, construct two the first cast-in-place cavitys (9)；
At least one first connecting portion (3) is equipped with the first connecting hole (5) of multiple longitudinal arrangements, first connecting hole (5)
First connecting portion described in lateral direction penetrating (3) makes the side of the precast wall body structure be configured to the first connecting end surface (7)；
First wall (1) and/or the second wall (2) front position are set with the corresponding region of first connecting hole (5)
There are handle hole (11) and the second connecting hole (6), the handle hole (11) connects first wall (1) and/or the second wall (2)
Positive and the described first cast-in-place cavity (9), second connecting hole (6) connect first wall (1) and/or the second wall
(2) phase is distinguished in front and first connecting hole (5), first wall (1) and/or the positive both sides of the second wall (2) with it
The region extended between the neighbouring handle hole (11) along the second connecting hole (6) orientation is configured to the second connection
End face (8)；
First wall (1), the second wall (2) are equipped with the reinforcing bar (12) of a plurality of transverse and longitudinal interlaced arrangement.
2. precast wall body structure according to claim 1, which is characterized in that have between described two first connecting portions (3)
There is the second connecting portion (4) of multiple spaced arrangements, it is existing that at least one second is constructed between the plurality of second connecting portion (4)
Pour cavity (10).
3. precast wall body structure according to claim 1, which is characterized in that the precast wall body structure is equipped with along its thickness
Direction penetrates through the door and window region (14) of first wall (1), the second wall (2) and second connecting portion (4).
4. precast wall body structure according to claim 1 or 2, which is characterized in that the reinforcing bar of the transverse and longitudinal interlaced arrangement
(12) through first wall (1), the second wall (2).
5. precast wall body structure according to claim 4, which is characterized in that first wall (1), the second wall (2)
Several dew muscle slots (13) are equipped with the contact surface of the described first cast-in-place cavity (9), are arranged in first wall (1), second
Wall (2) interior position is located at the dew muscle slot with the described first corresponding reinforcing bar of cast-in-place cavity (9) (12) at least partially
(13) in the channel space formed.
6. according to any precast wall body structure of claim 1,2,3,5, which is characterized in that first wall (1), the
Two walls (2) front is equipped with several suspension centres (15).
7. according to any precast wall body structure of claim 1,2,3,5, which is characterized in that first wall (1) or
Second wall (2) front is equipped with along the insulating layer (16) and outer impeller being arranged in juxtaposition successively away from the precast wall body structure
(17)。
8. a kind of combined wall structure, which is characterized in that the combined wall structure includes what several were mutually permanently connected
Precast wall body structure as described in claim 1 to 7 is any and the connecting component for connecting the precast wall body structure.
9. combined wall structure according to claim 8, which is characterized in that the combined wall structure includes two
The precast wall body structure, two precast wall body structures are laterally fixedly connected by respective first connecting end surface (7).
10. combined wall structure according to claim 8, which is characterized in that the combined wall structure includes：
The the first precast wall body structure (18) and second being laterally fixedly connected by respective first connecting end surface (7) are prefabricated
Wall body structure (19)；
Pass through first connecting end surface (7) and the first precast wall body structure (18) or the second precast wall body structure (19)
The 3rd precast wall body structure (20) of second connection end face (8) longitudinally fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721122788.9U CN207376871U (en) | 2017-09-04 | 2017-09-04 | A kind of precast wall body structure and combined wall structure for dry type connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721122788.9U CN207376871U (en) | 2017-09-04 | 2017-09-04 | A kind of precast wall body structure and combined wall structure for dry type connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207376871U true CN207376871U (en) | 2018-05-18 |
Family
ID=62342634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721122788.9U Withdrawn - After Issue CN207376871U (en) | 2017-09-04 | 2017-09-04 | A kind of precast wall body structure and combined wall structure for dry type connection |
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| Country | Link |
|---|---|
| CN (1) | CN207376871U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419820A (en) * | 2017-09-04 | 2017-12-01 | 承德绿建建筑节能科技有限公司 | A kind of precast wall body structure and combined wall structure for dry type connection |
| CN110145049A (en) * | 2019-06-10 | 2019-08-20 | 程松林 | Prefabricated reinforced concrete shear wall cavity and node structure and production and mounting process |
-
2017
- 2017-09-04 CN CN201721122788.9U patent/CN207376871U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419820A (en) * | 2017-09-04 | 2017-12-01 | 承德绿建建筑节能科技有限公司 | A kind of precast wall body structure and combined wall structure for dry type connection |
| CN107419820B (en) * | 2017-09-04 | 2023-09-08 | 承德绿建建筑节能科技有限公司 | Prefabricated wall structure and combined wall structure for dry connection |
| CN110145049A (en) * | 2019-06-10 | 2019-08-20 | 程松林 | Prefabricated reinforced concrete shear wall cavity and node structure and production and mounting process |
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