CN207277372U - Prefabricated sandwich middle walls and prefabricated overlapping bottom plate connecting joint structure - Google Patents
Prefabricated sandwich middle walls and prefabricated overlapping bottom plate connecting joint structure Download PDFInfo
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- CN207277372U CN207277372U CN201721207952.6U CN201721207952U CN207277372U CN 207277372 U CN207277372 U CN 207277372U CN 201721207952 U CN201721207952 U CN 201721207952U CN 207277372 U CN207277372 U CN 207277372U
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Abstract
A kind of prefabricated sandwich middle walls and prefabricated overlapping bottom plate connecting joint structure, including prefabricated sandwich middle walls (1) connected vertically and prefabricated overlapping bottom plate (2), the vertical reinforcement of prefabricated sandwich middle walls stretches out the first preformed layer and extends to form U-shaped structure (14), the U-shaped structure enters in the second in-situ layer of prefabricated overlapping bottom plate, and the bottom of the U-shaped structure is placed in the second preformed layer of prefabricated overlapping bottom plate；Split heads reinforcing bar (4) is set in second preformed layer of prefabricated overlapping bottom plate, U-shaped is bent at the top of the split heads reinforcing bar and is stretched into the prefabricated sandwich middle walls U-shaped structure in the second in-situ layer, and the both ends of the split heads reinforcing bar bend extension in backward second preformed layer；The cast-in-place concrete together with the first in-situ layer of prefabricated sandwich middle walls of second in-situ layer of prefabricated overlapping bottom plate forms integrative-structure.The utility model realizes prefabricated sandwich middle walls and the firm connection of prefabricated overlapping bottom plate, and its connecting node is had enough stress performances.
Description
Technical field
It the utility model is related to complete prefabricated overlapping assembled underground pipe gallery, particularly a kind of complete prefabricated overlapping assembled
The prefabricated sandwich middle walls of underground pipe gallery and prefabricated overlapping bottom plate connecting joint structure.
Background technology
Chinese patent application CN205742265U discloses a kind of complete prefabricated overlapping assembled underground pipe gallery, its bottom plate
For prefabricated overlapping bottom plate, its side wall or side wall and middle wall body are prefabricated sandwich middle walls, its top plate is prefabricated overlapping top plate, bottom
Plate, side wall or side wall and middle wall body, top plate three connect into overall underground pipe gallery by cast-in-place.It is therein prefabricated sandwich
Middle walls include the preformed layer of both sides and middle sandwich in-situ layer, and bar-mat reinforcement is embedded with the preformed layer of prefabricated sandwich middle walls
Piece, reinforced mesh is fixed by binding to connect on middle truss in the preformed layer of both sides.By Chinese patent application
CN205742265U is understood, can be directly in prefabricated overlapping bottom plate when prefabricated sandwich middle walls are connected with prefabricated overlapping bottom plate
Rectangle steel reinforcement cage is buried in in-situ layer, then the in-situ layer of prefabricated overlapping bottom plate and prefabricated sandwich middle walls is carried out respectively cast-in-place
Fixation.However, it will be apparent that first, second Cast-in-Situ Segment link position of this connection mode is placed exactly in prefabricated sandwich centre
Wall and prefabricated overlapping back plate connections so that integrally-built shear resistance is weaker, it can not be ensured with enough bonding strengths
With good stress performance.
Utility model content
Technical problem to be solved in the utility model is, in view of the shortcomings of the prior art, prefabricated folder can be realized by providing one kind
Heart middle walls are consolidated with prefabricated overlapping bottom plate and are connected, and the prefabricated sandwich middle walls with enough stress performances and prefabricated overlapping bottom
Plate connecting joint structure.
Firstly the need of explanation, " vertical " mentioned in the utility model, " transverse direction ", " longitudinal direction ", " on ", " under " are phases
For direction shown in attached drawing.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of prefabricated sandwich middle walls and prefabricated overlapping bottom plate connecting joint structure, including be vertically arranged it is prefabricated it is sandwich in
Between wall and the horizontal prefabricated overlapping bottom plate being directly arranged at below prefabricated sandwich middle walls, prefabricated sandwich middle walls include being located at two
First preformed layer of side and the first in-situ layer positioned at centre, prefabricated overlapping bottom plate include the second preformed layer positioned at bottom and position
In uniformly distributed more vertical reinforcements in the second in-situ layer on the second preformed layer, the first preformed layer of both sides of prefabricated sandwich middle walls,
Uniformly distributed transverse steel in the second preformed layer and the second in-situ layer of prefabricated overlapping bottom plate, the vertical reinforcement of prefabricated sandwich middle walls are stretched
Go out the first preformed layer and extend to form U-shaped structure, the U-shaped structure enter it is prefabricated overlapping bottom plate the second in-situ layer in be placed in it is pre-
Second preformed layer of system overlapping bottom plate；Split heads reinforcing bar, the top of the split heads reinforcing bar are set in second preformed layer of prefabricated overlapping bottom plate
Portion is bent into U-shaped and stretches into the vertical reinforcement U-shaped structure of the prefabricated sandwich middle walls in the second in-situ layer, and the horse
The both ends of quenched and tempered steel muscle bend extension in backward second preformed layer；First in-situ layer of prefabricated sandwich middle walls and prefabricated overlapping bottom plate
The second in-situ layer concrete cast-in-situ it is integral.
Such scheme is further improved to, and prefabricated overlapping bottom plate is supported in the bottom of the U-shaped structure through reinforcing bar backing plate
Second preformed layer, so that the pressure of prefabricated sandwich middle walls is evenly distributed.
Such scheme is further improved to, vertical reinforcement U-shaped structure and the split heads of the prefabricated sandwich middle walls
Transverse steel in reinforcing bar, prefabricated the second in-situ layer for overlapping bottom plate binds or welds together.
Such scheme is further improved to, in the second preformed layer of the split heads reinforcing bar and the prefabricated overlapping bottom plate
Transverse steel binds or welds together.
Such scheme is further improved to, vertical reinforcement U-shaped structure and the split heads of the prefabricated sandwich middle walls
More auxiliary connection reinforcing bars are set in the reinforcing steel bar frame that reinforcing bar is formed.
In order to observe grouting situation, peephole is set on the first preformed layer of side of prefabricated sandwich middle walls.
Installed for ease of Pipe rack, the bottom of prefabricated overlapping bottom plate sets concrete cushion.
Compared with prior art, the utility model has the following advantages：
The utility model by the vertical reinforcements of prefabricated sandwich middle walls stretch out the first preformed layer and extend to form U-shaped structure into
Enter in the second in-situ layer of prefabricated overlapping bottom plate and the second preformed layer is placed in by reinforcing bar backing plate, while in prefabricated overlapping bottom plate
Junction add split heads reinforcing bar, and by the second in-situ layer and the first in-situ layer of prefabricated sandwich middle walls of prefabricated overlapping bottom plate
Cast-in-place concrete forms integrative-structure together, in this way, the change that the utility model is not only distributed by reinforcing bar ensure that prefabricated folder
Heart middle walls and the bonding strength of prefabricated overlapping bottom plate, and effectively improve integrally-built stress performance.
Brief description of the drawings
Fig. 1 is the structure diagram of one embodiment of the utility model.
In figure：1 prefabricated sandwich middle walls；11 first preformed layers；12 first in-situ layers；13 vertical reinforcements；14U type structures；
15 first girder ribs；2 prefabricated overlapping bottom plates；21 second preformed layers；22 second in-situ layers；23 transverse steels；24 longitudinal reinforcements；25
Second girder rib, 3 reinforcing bar backing plate；4 split heads reinforcing bars；5 auxiliary connection reinforcing bars；6 peepholes；7 bed courses.
Embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
It refer to Fig. 1, the prefabricated sandwich middle walls of the utility model and prefabricated one embodiment of overlapping bottom plate connecting joint structure
Including the prefabricated sandwich middle walls 1 being vertically arranged and the horizontal prefabricated overlapping bottom for being directly arranged at the prefabricated lower section of sandwich middle walls 1
Plate 2.Prefabricated sandwich middle walls 1 include the first preformed layer 11 positioned at both sides and the first in-situ layer 12 positioned at centre, both sides
Uniformly distributed more vertical reinforcements 13 and the genesis analysis reinforcing bar of corresponding connection vertical with vertical reinforcement 13 in first preformed layer 11, and two
Vertical reinforcement 13 in the first preformed layer of side 11 stretches out the first preformed layer and extends to form U-shaped structure 14, which extends
Into in the second in-situ layer 22 of prefabricated overlapping bottom plate 2, the bottom of the U-shaped structure 14 is placed in prefabricated overlapping bottom through reinforcing bar backing plate 3
Second preformed layer 21 of plate 2；The first girder rib 15 for being used to support both sides vertical reinforcement 13 is set in first in-situ layer 12.It is prefabricated
Overlapping bottom plate 2 includes the second preformed layer 21 positioned at bottom and the second in-situ layer 22 on the second preformed layer 21, and second is pre-
The longitudinal direction that uniformly distributed more transverse steels 23 and Duo Gen and the transverse steel of respective side 23 connect in 21 and second in-situ layer 22 of preparative layer
Reinforcing bar 24, sets the second girder rib 25 between the transverse steel 23 in the second preformed layer 21 and the second in-situ layer 22.Prefabricated overlapping
Split heads reinforcing bar 4 is set in second preformed layer 21 of bottom plate 2, and the top of the split heads reinforcing bar 4 is bent at the top of U-shaped and the U-shaped
Stretch into the U-shaped structure 14 of the prefabricated sandwich middle walls 1 in the second in-situ layer 22, and the both ends bending of the split heads reinforcing bar 4
Extension in backward second preformed layer 21.Second in-situ layer 22 of prefabricated overlapping bottom plate 2 and prefabricated sandwich middle walls 1 it is first cast-in-place
Cast-in-place concrete forms integrative-structure to layer 12 together.
To further enhance the bonding strength and stress performance at connecting node, the vertical reinforcement of prefabricated sandwich middle walls 1
Together with 13 U-shaped structure 14 is bound with the transverse steel 23 in split heads reinforcing bar 4, prefabricated the second in-situ layer 22 for overlapping bottom plate 2.
The both ends of split heads reinforcing bar 4 bind or weld together with the transverse steel 23 in the second preformed layer 21 of prefabricated overlapping bottom plate 2.In advance
Make more auxiliary connection reinforcing bars of the interior setting of reinforcing steel bar frame that the vertical reinforcement U-shaped structure 14 of sandwich middle walls 1 and split heads reinforcing bar 4 are formed
5。
In order to observe grouting situation, peephole 6 is set on the first preformed layer of side 11 of prefabricated sandwich middle walls 1.
Installed for ease of Pipe rack, the bottom of prefabricated overlapping bottom plate 2 sets concrete cushion 7.
Exemplary description has been carried out to the utility model above in conjunction with attached drawing, it is clear that the realization of the utility model and from
The limitation of aforesaid way, if the various improvement of technical solutions of the utility model progress are employed, or it is not improved by this practicality
New design and technical solution directly applies to other occasions, within the protection scope of the present utility model.
Claims (7)
1. a kind of prefabricated sandwich middle walls and prefabricated overlapping bottom plate connecting joint structure, including the prefabricated sandwich centre being vertically arranged
Wall (1) and the horizontal prefabricated overlapping bottom plate (2) being directly arranged at below prefabricated sandwich middle walls, prefabricated sandwich middle walls include position
In the first preformed layer (11) of both sides and positioned at middle the first in-situ layer (12), prefabricated overlapping bottom plate includes the positioned at bottom
Two preformed layers (21) and the second in-situ layer (22) on the second preformed layer, the first preformed layer of both sides of prefabricated sandwich middle walls
It is interior to be evenly distributed with more vertical reinforcements (13), it is evenly distributed with transverse steel in the second preformed layer and the second in-situ layer of prefabricated overlapping bottom plate
(23), it is characterised in that the vertical reinforcement of prefabricated sandwich middle walls stretches out the first preformed layer and extends to form U-shaped structure (14),
The U-shaped structure, which enters in the second in-situ layer of prefabricated overlapping bottom plate, to be placed on the second preformed layer of prefabricated overlapping bottom plate；It is prefabricated
Overlap and split heads reinforcing bar (4) is set in the second preformed layer of bottom plate, U-shaped is bent at the top of the split heads reinforcing bar and is stretched into positioned at the
In the vertical reinforcement U-shaped structure of prefabricated sandwich middle walls in two in-situ layers, and the both ends bending backward second of the split heads reinforcing bar
Extension in preformed layer；Second in-situ layer concrete cast-in-situ of the first in-situ layer of prefabricated sandwich middle walls and prefabricated overlapping bottom plate
Integrally.
2. prefabricated sandwich middle walls according to claim 1 and prefabricated overlapping bottom plate connecting joint structure, it is characterised in that
The second preformed layer of prefabricated overlapping bottom plate is supported through reinforcing bar backing plate (3) in the bottom of the U-shaped structure.
3. prefabricated sandwich middle walls according to claim 1 and prefabricated overlapping bottom plate connecting joint structure, it is characterised in that
In the vertical reinforcement U-shaped structure and the split heads reinforcing bar of the prefabricated sandwich middle walls, prefabricated the second in-situ layer for overlapping bottom plate
Transverse steel binding or weld together.
4. prefabricated sandwich middle walls according to claim 1 and prefabricated overlapping bottom plate connecting joint structure, it is characterised in that
The split heads reinforcing bar binds or welds together with the transverse steel in the second preformed layer of the prefabricated overlapping bottom plate.
5. prefabricated sandwich middle walls according to claim 1 and prefabricated overlapping bottom plate connecting joint structure, it is characterised in that
More auxiliary are set to connect in the reinforcing steel bar frame that the vertical reinforcement U-shaped structure of the prefabricated sandwich middle walls is formed with the split heads reinforcing bar
Connect reinforcing bar (5).
6. prefabricated sandwich middle walls according to claim 1 and prefabricated overlapping bottom plate connecting joint structure, it is characterised in that
Peephole (6) is set on the first preformed layer of side of the prefabricated sandwich middle walls.
7. prefabricated sandwich middle walls according to claim 1 and prefabricated overlapping bottom plate connecting joint structure, it is characterised in that
The bottom of the prefabricated overlapping bottom plate sets concrete cushion (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207952.6U CN207277372U (en) | 2017-09-20 | 2017-09-20 | Prefabricated sandwich middle walls and prefabricated overlapping bottom plate connecting joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207952.6U CN207277372U (en) | 2017-09-20 | 2017-09-20 | Prefabricated sandwich middle walls and prefabricated overlapping bottom plate connecting joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207277372U true CN207277372U (en) | 2018-04-27 |
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ID=61981571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721207952.6U Active CN207277372U (en) | 2017-09-20 | 2017-09-20 | Prefabricated sandwich middle walls and prefabricated overlapping bottom plate connecting joint structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137983A (en) * | 2018-10-24 | 2019-01-04 | 中建科技有限公司 | Assembled integral solid exposed wall plate pipe gallery and its construction method |
| CN114351754A (en) * | 2021-12-22 | 2022-04-15 | 北京工业大学 | Combined shell pipe gallery bottom T-shaped joint and construction method thereof |
-
2017
- 2017-09-20 CN CN201721207952.6U patent/CN207277372U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137983A (en) * | 2018-10-24 | 2019-01-04 | 中建科技有限公司 | Assembled integral solid exposed wall plate pipe gallery and its construction method |
| CN114351754A (en) * | 2021-12-22 | 2022-04-15 | 北京工业大学 | Combined shell pipe gallery bottom T-shaped joint and construction method thereof |
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