CN216239326U - Vertical half grout sleeve grout connects full assembled RC wallboard structure - Google Patents
Vertical half grout sleeve grout connects full assembled RC wallboard structure Download PDFInfo
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- CN216239326U CN216239326U CN202122818734.9U CN202122818734U CN216239326U CN 216239326 U CN216239326 U CN 216239326U CN 202122818734 U CN202122818734 U CN 202122818734U CN 216239326 U CN216239326 U CN 216239326U
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- 239000011440 grout Substances 0.000 title description 9
- 230000002787 reinforcement Effects 0.000 claims abstract description 43
- 239000004567 concrete Substances 0.000 claims abstract description 40
- 239000011178 precast concrete Substances 0.000 claims abstract description 20
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 12
- 239000004570 mortar (masonry) Substances 0.000 claims description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 9
- 238000011161 development Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003487 anti-permeability effect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A vertical half-grouting sleeve grouting connection full-assembly type RC wallboard structure comprises an upper prefabricated RC wall and a lower prefabricated concrete foundation, wherein a connecting surface of the lower prefabricated concrete foundation and a connecting surface of the lower prefabricated concrete foundation are respectively provided with a convex tooth groove tongue and groove and a concave tooth groove tongue which are matched with each other, a prefabricated RC wall reinforcement cage, a half-grouting sleeve and an upper vertical lapping steel bar are arranged in the upper prefabricated RC wall, and the bottom of the upper vertical lapping steel bar extends into the half-grouting sleeve; a precast concrete foundation reinforcement cage and a lower vertical lapping reinforcement are arranged in the lower precast concrete foundation, the upper precast RC wall is installed on the lower precast concrete foundation, the connecting end of the lower vertical lapping reinforcement is inserted into a semi-grouting sleeve of the upper precast RC wall, and the convex tooth socket rabbet and the concave tooth socket rabbet are connected to form a tooth socket type horizontal joint; the device has the advantages of being simple in structure, reasonable in design, convenient to assemble, high in mounting precision, wide in engineering application prospect and the like, and having large transverse bearing capacity, ductility and anti-seismic performance.
Description
Technical Field
The utility model relates to a vertical semi-grouting sleeve grouting connection full-assembly type RC wallboard structure.
Background
Traditional concrete wallboard material often adopts solid reinforced concrete structure, in order to bear great transverse shear load, satisfies the designing requirement, and the wall body cross-section often broad needs dispose more reinforcing bar, but cast in situ not only needs a large amount of labours, support and strutting arrangement, and the maintenance is long moreover, and the noise is big, has seriously influenced the progress of construction. Meanwhile, the wall body of the concrete wall poured in situ is easy to crack, be brittle and the like under the combined action of large transverse load and self-contraction and creep of the concrete.
In recent years, with the great trend of national green building development and the continuous promotion of building industrialization, an assembly concrete structure is produced, and the assembly concrete wall panel structure is produced in a factory, so that the assembly concrete wall panel structure has the advantages of high quality, construction period saving and the like.
With the further development of fabricated concrete wallboard structures, although it has been improved many times, many fabricated RC wallboard structure systems connected by vertical steel bar grouting sleeves have been developed and put into production use. However, the assembled RC wallboard structure needs grouting treatment when a large amount of ribs are output on site, which results in high precision requirement in the on-site assembling process, high construction cost, slow progress, low assembling efficiency, and low tolerance and other adverse factors, thereby greatly restricting development and application of the assembled concrete wallboard structure, and simultaneously causing certain influence and damage to the construction site environment, thereby greatly reducing the advantage of rapid construction of the assembled concrete wallboard structure, in addition, the horizontal joint of the existing vertical grouting sleeve connecting assembled concrete wall mostly adopts flat joint direct connection, and the undesirable phenomena of easy water leakage of the joint, poor impermeability and the like exist, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a vertical semi-grouting sleeve grouting connection full-assembly type RC wallboard structure which is simple in structure, quick and convenient to construct, cost-saving, high in shearing-resisting bearing capacity, energy-consuming capacity and seismic performance and high in construction speed.
In order to achieve the purpose, the utility model firstly provides a vertical semi-grouting sleeve grouting connection full-assembly type RC wallboard structure, which comprises an upper prefabricated RC wall and a lower prefabricated concrete foundation, wherein the connection surface of the lower prefabricated concrete foundation and the lower prefabricated concrete foundation is respectively provided with a convex tooth socket tongue-and-groove and a concave tooth socket tongue-and-groove which are matched with each other,
a prefabricated RC wall reinforcement cage is arranged in the upper prefabricated RC wall, semi-grouting sleeves are uniformly distributed in the upper prefabricated RC wall along the length direction at the positions of the convex tooth groove rabbets, the semi-grouting sleeves are bound and fixed on the prefabricated RC wall reinforcement cage, through holes are formed in the bottom of the upper prefabricated RC wall and the convex tooth groove rabbets and are communicated with the semi-grouting sleeves, a plurality of vertically-arranged upper vertical lap-joint reinforcements are arranged in the upper prefabricated RC wall along the length direction, and the bottoms of the upper vertical lap-joint reinforcements extend into the semi-grouting sleeves;
a precast concrete foundation reinforcement cage is arranged in the lower precast concrete foundation, a plurality of lower vertical lapping reinforcements are distributed in the lower precast concrete foundation along the length direction, and the tops of the lower vertical lapping reinforcements extend out of the grooves of the concave tooth groove rabbet to form connecting ends;
the upper prefabricated RC wall is installed on a lower prefabricated concrete foundation, the connecting end of the lower vertical lapping reinforcing steel bar is inserted into a semi-grouting sleeve of the upper prefabricated RC wall, the convex tooth groove rabbet and the concave tooth groove rabbet are connected to form a tooth groove type horizontal joint, and shrinkage-free mortar is filled in the tooth groove type horizontal joint by adopting a mortar sitting method to form a mortar sitting layer;
and when the upper prefabricated RC wall and the lower prefabricated concrete foundation are in a connection state, grouting is performed on the semi-grouting sleeve.
In the embodiment, 4-6 half grouting sleeves are uniformly distributed on the upper prefabricated RC wall along the length direction, and the diameter of the cross section of each half grouting sleeve is 1/5-1/3 times of the thickness of the wall.
In this embodiment, the distance between adjacent half grouting sleeves in the upper prefabricated RC wall is about 2-4 times of the wall thickness.
In the embodiment, the half grouting sleeves are arranged in a single row and are distributed on the central axis of the cross section of the upper prefabricated RC wall.
In this embodiment, the upper prefabricated RC wall is provided with a stirrup-tightening area near the gullet-shaped horizontal joint.
In this embodiment, the opposite surfaces of the convex and concave tooth groove grooves are provided with rough surfaces, and the convex and concave tooth groove grooves are arranged along the length direction of the RC wall.
In this embodiment, the longitudinal sections of the convex part of the convex tooth groove tongue and groove and the concave part of the concave tooth groove tongue and groove are both in matching isosceles trapezoids, the horizontal section width of the convex part of the convex tooth groove tongue and groove tongue is 2/5 of the prefabricated RC wall thickness, and the convex height of the convex part of the convex tooth groove tongue and groove tongue is 1/10 of the prefabricated RC wall thickness.
In this embodiment, the longitudinal cross-section of the spline-type horizontal joint is formed in a U-shape with two high sides and a low middle by the convex spline groove and the concave spline groove.
In this embodiment, the thickness of the mortar layer is 20 mm.
In this embodiment, the lower vertical overlap steel bar is in an "L" shape.
Compared with the prior art, this device is based on positive cross-section and oblique cross-section intensity principles such as cast-in-place concrete wall, connects into whole through half grout sleeve and upper and lower vertical overlap joint reinforcing bar anchor with prefabricated RC wall, lower prefabricated concrete foundation, has guaranteed the mechanical properties between prefabricated RC wall, the lower prefabricated concrete foundation, and the horizontal load of effective transmission realizes the performance similar with cast-in-place concrete wall antidetonation. In addition, the joints of the upper prefabricated RC wall and the lower prefabricated concrete foundation are connected by tooth-groove-shaped horizontal joints, so that the waterproof and anti-permeability capabilities are effectively improved. The hooping encryption area is arranged at the position, close to the tooth groove type horizontal joint, of the upper prefabricated RC wall, so that the connection reliability between the upper structure and the lower structure is guaranteed; the semi-grouting sleeve is arranged for connection, so that the phenomena of large slippage, separation and the like between the upper prefabricated RC wall and the lower prefabricated concrete foundation can be prevented. In the assembly construction process, the upper end structure and the lower end structure can be effectively concentrated and indirectly connected into a whole only by grouting connection of the upper vertical lapped reinforcing steel bar and the lower vertical lapped reinforcing steel bar without a large amount of field wet process operation, so that the advantages of convenience in assembly and accuracy and rapidness are realized, and the development of building industrialization is greatly promoted.
In conclusion, the utility model has the advantages of simple structure, reasonable design, convenient assembly, larger transverse bearing capacity, ductility and seismic performance, high installation precision, very wide engineering application prospect and the like.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a front view of the rugged face of the present invention.
The reference numbers illustrate: 1. prefabricating an RC wall; 2. lower precast concrete foundation; 3. a semi-grouting sleeve; 4. prefabricating an RC wall reinforcement cage; 5. a reinforcing steel bar encryption area; 6. gullet type horizontal seams; 7. vertically lapping reinforcing steel bars; 8. setting a mortar layer; 9. prefabricating a concrete foundation reinforcement cage; 10. and vertically lapping the steel bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 3, the utility model provides a vertical half-grouting sleeve grouting connection fully-assembled RC wallboard structure, which comprises an upper prefabricated RC wall 1 and a lower prefabricated concrete foundation 2, wherein the connection surfaces of the lower prefabricated concrete foundation 2 and the lower prefabricated concrete foundation 2 are respectively provided with a convex tooth slot rabbet and a concave tooth slot rabbet which are matched with each other, the opposite surfaces of the convex tooth slot rabbet and the concave tooth slot rabbet are provided with concave and convex rough surfaces, and the convex tooth slot rabbet and the concave tooth slot rabbet are both arranged along the length direction of the RC wall; the longitudinal sections of the convex part of the convex tooth groove tongue and groove and the concave part of the concave tooth groove tongue and groove are both matched isosceles trapezoids, the horizontal section width of the convex part of the convex tooth groove tongue and groove tongue is 2/5 of the prefabricated RC wall thickness, and the convex height of the convex part of the convex tooth groove tongue and groove tongue is 1/10 of the prefabricated RC wall thickness;
a prefabricated RC wall reinforcement cage 4 is arranged in the upper prefabricated RC wall 1, half grouting sleeves 3 are uniformly distributed in the upper prefabricated RC wall 1 at the positions of the convex tooth groove rabbets along the length direction, the half grouting sleeves 3 are bound and fixed on the prefabricated RC wall reinforcement cage 4, vertically distributed upper vertical lap-joint reinforcements 7 are arranged in the upper prefabricated RC wall 1 along the length direction, the prefabricated RC wall reinforcement cage 7 is also bound and fixed with the prefabricated RC wall reinforcement cage 4, and the bottom of the upper vertical lap-joint reinforcements 7 extends into the half grouting sleeves 3;
a precast concrete foundation reinforcement cage 9 is arranged in the lower precast concrete foundation 2, a plurality of L-shaped lower vertical lapping reinforcements 10 are distributed in the lower precast concrete foundation 2 along the length direction, and the tops of the lower vertical lapping reinforcements 10 extend out of the grooves of the concave tooth groove rabbet to form connecting ends;
the upper prefabricated RC wall 1 is installed on a lower prefabricated concrete foundation 2, the connecting end of the lower vertical lapping reinforcing steel bar 10 is inserted into a semi-grouting sleeve 3 of the upper prefabricated RC wall 1, the convex tooth groove rabbet and the concave tooth groove rabbet are connected to form a tooth groove type horizontal joint 6, and shrinkage-free mortar is filled in the tooth groove type horizontal joint 6 by adopting a mortar sitting method to form a mortar sitting layer;
the longitudinal section of the tooth socket type horizontal joint 6 is in a U shape with two high sides and middle low through the convex tooth socket tongue-and-groove and the concave tooth socket tongue-and-groove, the thickness of the mortar layer 8 is 20mm, and after grouting materials are filled into the semi-grouting sleeve 3, the upper prefabricated RC wall 1 and the lower prefabricated concrete foundation 2 are effectively integrated and connected into a whole.
In the embodiment, 4-6 half grouting sleeves 3 are uniformly distributed on the upper prefabricated RC wall along the length direction, the diameter of the section of each sleeve is 1/5-1/3 times of the wall thickness based on the principle of equal strength of the front section and the oblique section of the cast-in-place RC wall, the distance between the adjacent half grouting sleeves in the upper prefabricated RC wall is 2-4 times of the wall thickness, lower vertical lap joint steel bars 10 are reserved on the lower prefabricated concrete foundation, and the half grouting sleeves 3 are arranged in a single row and positioned at the geometric center of the cross section; the arrangement size and the arrangement position are consistent, the grouting material filled in the semi-grouting sleeve has certain expansibility, good flowability and workability and meets the strength design requirement, and the hooping encryption areas 5 are arranged in the areas, close to the tooth socket type horizontal joints 6, of the upper prefabricated RC wall 1 so as to improve the rigidity and the strength of the joints of the integrally-assembled RC wallboards after connection.
The concrete construction method of the device for connecting the vertical half grouting sleeve with the fully-assembled RC wallboard structure in a grouting manner comprises the following steps:
(1) prefabricated RC wall 1, lower precast concrete foundation 2 and installation half grout sleeve 3 in last prefabricated RC wall 1 in the preparation:
arranging reinforcement according to the actual shear-resistant bearing capacity of the assembled concrete wall, setting the sizes, dimensions and quantities of a prefabricated RC wall reinforcement cage 4, an upper vertical overlap reinforcement 7, a prefabricated concrete foundation reinforcement cage 9 and a lower vertical overlap reinforcement 10, selecting a corresponding half grouting sleeve 3 for connecting the upper vertical overlap reinforcement 7 and the lower vertical overlap reinforcement 10, accurately positioning the installation position of the half grouting sleeve 3 on a template, and opening the mold;
hoisting the prefabricated RC wall reinforcement cage 4 in place, placing the prefabricated RC wall reinforcement cage into an upper prefabricated RC wall template, and respectively positioning and installing a semi-grouting sleeve 3 and an upper vertical lap joint reinforcement in the template of the upper prefabricated RC wall 1; the reinforcement stirrup encryption 5 is carried out on the position, close to the tooth socket type horizontal joint 6, of the upper prefabricated RC wall 1;
and hoisting the precast concrete foundation reinforcement cage 9 in place, placing the precast concrete foundation reinforcement cage into the lower precast concrete foundation formwork, positioning and installing the lower vertical lapped reinforcements 10, respectively pouring concrete, and performing appropriate maintenance, thereby manufacturing and forming the upper precast RC wall 1 and the lower precast concrete foundation 2.
(2) Setting the pulp:
after the lower precast concrete foundation 2 is hoisted in place, hoisting the upper precast RC wall 1 to enable the lower vertical lapped reinforcing steel bars 10 to be inserted into the semi-grouting sleeves 3 to be in place, paving mortar on the concave tooth groove rabbet of the lower precast concrete foundation, and then hoisting the upper precast RC wall 1 in place; when the mortar is laid, the gullet U-shaped section with high middle and low two sides is formed by the correction of a spatula. The mortar is waterproof flexible mortar, has good waterproof and anti-permeability performance, and is maintained normally after the mortar is set.
(3) Grouting:
and after setting grout, checking whether sundries influencing the flow of the mortar exist in the grouting holes and grout outlet holes of the semi-grouting sleeve 3, grouting after ensuring that a hole path is smooth, after the grouting is solidified, checking grouting openings and grout outlet openings, wherein the upper surface of the solidified grouting is higher than the upper edge of the sleeve, and maintaining and storing construction records after finishing.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A vertical semi-grouting sleeve grouting connection full-assembly type RC wallboard structure is characterized by comprising an upper prefabricated RC wall (1) and a lower prefabricated concrete foundation (2), wherein a convex tooth socket tongue-and-groove and a concave tooth socket tongue-and-groove which are matched with each other are respectively arranged on the connection surface of the lower prefabricated concrete foundation (2) and the lower prefabricated concrete foundation (2),
the prefabricated RC wall comprises an upper prefabricated RC wall (1), a prefabricated RC wall reinforcement cage (4) is arranged in the upper prefabricated RC wall (1), half grouting sleeves (3) are uniformly distributed in the positions of convex tooth groove rabbets and along the length direction in the upper prefabricated RC wall (1), the half grouting sleeves (3) are bound and fixed on the prefabricated RC wall reinforcement cage (4), through holes are formed in the bottoms of the upper prefabricated RC wall (1) and the convex tooth groove rabbets and communicated with the half grouting sleeves (3), a plurality of vertically-distributed upper vertical lapping reinforcements (7) are arranged in the upper prefabricated RC wall (1) along the length direction, and the bottoms of the upper vertical lapping reinforcements (7) extend into the half grouting sleeves (3);
a precast concrete foundation reinforcement cage (9) is arranged in the lower precast concrete foundation (2), a plurality of lower vertical lapping reinforcements (10) are distributed in the lower precast concrete foundation (2) along the length direction, and the tops of the lower vertical lapping reinforcements (10) extend out of the grooves of the concave tooth groove rabbet to form connecting ends;
the upper prefabricated RC wall (1) is installed on a lower prefabricated concrete foundation (2), the connecting end of the lower vertical lapping reinforcing steel bar (10) is inserted into a semi-grouting sleeve (3) of the upper prefabricated RC wall (1), the convex tooth groove tongue-and-groove and the concave tooth groove tongue-and-groove are connected to form a tooth groove type horizontal joint (6), and non-shrinkage mortar is filled in the tooth groove type horizontal joint (6) by adopting a mortar sitting method to form a mortar sitting layer (8);
and when the upper prefabricated RC wall (1) and the lower prefabricated concrete foundation (2) are in a connection state, the semi-grouting sleeve (3) is grouted.
2. The vertical half grouting sleeve grouting connection full-assembled RC wallboard structure according to claim 1, wherein 4-6 half grouting sleeves (3) are uniformly distributed on the upper prefabricated RC wall (1) along the length direction, and the cross-sectional diameter of each half grouting sleeve (3) is 1/5-1/3 of the wall thickness.
3. The vertical half-grouted sleeve grouted connection fully-assembled RC wallboard structure of claim 2, wherein the distance between adjacent half-grouted sleeves (3) in the upper prefabricated RC wall (1) is about 2-4 times of the wall thickness.
4. The vertical half grouting sleeve grouting connected fully assembled RC wallboard structure of claim 2, wherein the half grouting sleeves (3) are arranged in a single row and arranged on the central axis of the cross section of the upper prefabricated RC wall (1).
5. The vertical semi-grouted sleeve grouted joint fully-assembled RC wallboard structure of claim 1, characterized in that the upper prefabricated RC wall (1) is provided with a stirrup-dense zone near the gullet-type horizontal joint (6).
6. The vertical semi-grouting sleeve grouting connected fully-assembled RC wallboard structure of claim 1, wherein the opposite surfaces of the convex gullet tongue and the concave gullet tongue are provided with rough surfaces, and the convex gullet tongue and the concave gullet tongue are both arranged along the length direction of the RC wall.
7. The structure of claim 1, wherein the longitudinal sections of the convex part of the convex gullet tongue and the concave part of the concave gullet tongue are matched isosceles trapezoids, the horizontal section width of the convex part of the convex gullet tongue is 2/5 of the prefabricated RC wall thickness, and the height of the convex part of the gullet tongue is 1/10 of the prefabricated RC wall thickness.
8. The vertical semi-grouted sleeve grouted connection fully-assembled RC wallboard structure of claim 1, wherein the male and female gullet rebates make the longitudinal cross-section of the gullet type horizontal joint (6) in a "high-side-high-middle-low" U-shape.
9. The vertical semi-grouted sleeve grouted joint fully-assembled RC wallboard structure of claim 1, wherein the bedding mortar layer (8) is 20mm thick.
10. The vertical semi-grouted slip joint fully-assembled RC panel structure of claim 1, wherein the lower vertical lap rebar (10) is "L" shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122818734.9U CN216239326U (en) | 2021-11-17 | 2021-11-17 | Vertical half grout sleeve grout connects full assembled RC wallboard structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122818734.9U CN216239326U (en) | 2021-11-17 | 2021-11-17 | Vertical half grout sleeve grout connects full assembled RC wallboard structure |
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| CN216239326U true CN216239326U (en) | 2022-04-08 |
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| CN202122818734.9U Expired - Fee Related CN216239326U (en) | 2021-11-17 | 2021-11-17 | Vertical half grout sleeve grout connects full assembled RC wallboard structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837491A (en) * | 2022-05-20 | 2022-08-02 | 山西建投远大建筑工业股份有限公司 | Prefabricated enclosure of assembled |
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2021
- 2021-11-17 CN CN202122818734.9U patent/CN216239326U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837491A (en) * | 2022-05-20 | 2022-08-02 | 山西建投远大建筑工业股份有限公司 | Prefabricated enclosure of assembled |
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