CN212896961U - Precast concrete shear wall component - Google Patents
Precast concrete shear wall component Download PDFInfo
- Publication number
- CN212896961U CN212896961U CN202021698730.0U CN202021698730U CN212896961U CN 212896961 U CN212896961 U CN 212896961U CN 202021698730 U CN202021698730 U CN 202021698730U CN 212896961 U CN212896961 U CN 212896961U
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- China
- Prior art keywords
- sleeve
- grouting
- grouting sleeve
- shear wall
- concrete shear
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 18
- 239000011440 grout Substances 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 6
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 8
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model discloses a precast concrete shear wall component, which comprises a first grouting sleeve and a second grouting sleeve, wherein the first grouting sleeve and the second grouting sleeve are respectively connected between the upper end and the lower end of a longitudinal steel bar in a precast reinforced concrete shear wall plate in a crossed manner, the first grouting sleeve is connected with the lower end of the longitudinal steel bar, and the second grouting sleeve is connected with the upper end of the longitudinal steel bar; the first grouting sleeve and the second grouting sleeve are arranged in the longitudinal steel bars in the same row in a crossed mode; the inner diameter sizes of two ends of the second grouting sleeve are smaller than that of the middle part of the second grouting sleeve, the longitudinal steel bar is inserted from the top of the second grouting sleeve, the grouting material is injected from an opening at the top of the second grouting sleeve, and a grouting hole and a grout outlet are formed in the side wall of the first grouting sleeve; the grouting sleeve can solve the problem of potential structural safety hazards caused by the fact that steel bar connecting points are located at the same position due to the fact that grouting sleeves in the prior art are located at the same position; the construction method improves the safety performance of the structure, and improves the construction efficiency and the economic benefit.
Description
Technical Field
The utility model belongs to the technical field of building structure, especially, relate to a precast concrete shear force wall component.
Background
At present, the prefabricated reinforced concrete shear wall components are most applied to high-rise shear wall houses, the connection modes of lower-layer steel bars on a prefabricated shear wall are various, and the most used mode in the prior art is a grouting sleeve connection mode. Usually, the grouting sleeve is buried at the bottom of the shear wall plate, a grouting hole and a grout outlet are reserved in the side face of the wall plate, and grouting is performed in the grouting hole after the wall plate is hoisted, so that the purpose of connecting the steel bars is achieved. However, in the connection mode, because the steel bar connection points are all located at the same position, the connection points of the stressed steel bars are not suitable to be located at the same position according to the requirements of relevant specifications, otherwise, the risk that the steel bars are broken at the same position exists, and the safety of the structure is affected. Therefore, there are structural safety concerns with this connection.
SUMMERY OF THE UTILITY MODEL
The utility model provides a precast concrete shear force wall component to avoid the reinforcing bar that prior art's grout muffjoint mode exists at the cracked risk in same position and the potential safety hazard of structure.
In order to achieve the above object, the utility model adopts the following technical scheme:
a precast concrete shear wall component comprises a first grouting sleeve (3) and a second grouting sleeve (4), wherein the first grouting sleeve (3) and the second grouting sleeve (4) are connected between the upper end and the lower end of a longitudinal steel bar (2) in a precast reinforced concrete shear wall plate (1) in a crossed manner respectively, the first grouting sleeve (3) is connected with the lower end of the longitudinal steel bar (2), and the second grouting sleeve (4) is connected with the upper end of the longitudinal steel bar (2); the first grouting sleeve (3) and the second grouting sleeve (4) are arranged in the longitudinal steel bars (2) in the same row in a crossed manner; the internal diameter size at second grout sleeve (4) both ends is less than the internal diameter size at middle part, and vertical reinforcing bar (2) are inserted from the top of second grout sleeve (4), and the grout pours into from the open-top of second grout sleeve (4), is provided with grouting hole (5) and grout outlet (6) on the lateral wall of first grout sleeve (3).
The utility model discloses can reach following beneficial effect:
the steel bar connecting points of the precast concrete shear wall component of the utility model are staggered up and down, so that the problem of potential safety hazard of the structure caused by the fact that the steel bar connecting points are located at the same position due to the fact that the grouting sleeves in the prior art are all located at the same position can be solved; the construction method improves the safety performance of the structure, and improves the construction efficiency and the economic benefit.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is the utility model discloses a first grout sleeve and the second grout muffjoint sketch map of lower floor longitudinal reinforcement on the precast reinforced concrete shear wall board of precast concrete shear wall component.
Fig. 2 is the utility model discloses a vertical reinforcing bar cross connection schematic diagram in lower floor on precast reinforced concrete shear wall board of precast concrete shear wall component.
In the figure, 1 is a prefabricated reinforced concrete shear wall plate, 2 is a longitudinal steel bar, 3 is a first grouting sleeve, 4 is a second grouting sleeve, 5 is a grouting hole, and 6 is a grout outlet.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
A precast concrete shear wall component, see figure 1, comprises a first grouting sleeve 3 and a second grouting sleeve 4, wherein the first grouting sleeve 3 and the second grouting sleeve 4 are connected between the upper end and the lower end of a longitudinal steel bar 2 in a precast reinforced concrete shear wall plate 1 in a crossed manner respectively, the first grouting sleeve 3 is connected with the lower end of the longitudinal steel bar 2, and the second grouting sleeve 4 is connected with the upper end of the longitudinal steel bar 2; referring to fig. 2, the first grout sleeve 3 and the second grout sleeve 4 are arranged crosswise in the longitudinal reinforcing bars 2 of the same row; the internal diameter size at second grout sleeve 4 both ends is less than the internal diameter size at middle part, and longitudinal reinforcement 2 inserts from the top of second grout sleeve 4, and the grout material is poured into from the open-top of second grout sleeve 4, is provided with grouting hole 5 and grout outlet 6 on the lateral wall of first grout sleeve 3.
In the precast concrete shear wall member of the embodiment, the upper end and the lower end of a longitudinal steel bar 2 in a precast reinforced concrete shear wall plate 1 are alternately embedded with a first grouting sleeve 3 and a second grouting sleeve 4, wherein the first grouting sleeve 3 embedded at the lower end is provided with a grouting hole 5 and a grout outlet 6, and the upper end is connected with the second grouting sleeve 4 without the grout outlet 6 and the grouting hole 5 on the side surface; before 1 hoist and mount of prefabricated reinforced concrete shear force wallboard, inject the grout material in the second grout sleeve 4 of upper end in advance, during hoist and mount, the vertical reinforcing bar 2 disect insertion that 1 bottom of prefabricated reinforced concrete shear force wallboard stretches out can in the second grout sleeve 4 of pouring into the grout material to solve traditional grout sleeve and all be located the same position, lead to the reinforcing bar tie point to be located the structural safety hidden danger that the same position appears.
Example 2
A precast concrete shear wall member, similar to example 1, except that the upper end of the second grout sleeve 4 is exposed above the top of the precast reinforced concrete shear wall panel 1. The height of the second grouting sleeve 4 is equal to the thickness h of a cast-in-place layer between the upper prefabricated reinforced concrete shear wall plate 1 and the lower prefabricated reinforced concrete shear wall plate 1. The upper end of longitudinal reinforcement 2 is provided with the external screw thread, and the one end that second grout sleeve 4 and 2 lower extremes of longitudinal reinforcement are connected is provided with the internal thread, and the upper end and the second grout sleeve 4 of longitudinal reinforcement 2 pass through threaded connection. The bottom of the first grouting sleeve 3 is flush with the bottom surface of the prefabricated reinforced concrete shear wall plate 1. The lower extreme of longitudinal reinforcement 2 is provided with the external screw thread, and the one end that first grout sleeve 3 and 2 lower extremes of longitudinal reinforcement are connected is provided with the internal thread, and the lower extreme of longitudinal reinforcement 2 passes through threaded connection with first grout sleeve 3. The longitudinal bars 2 are cylindrical. The first grout sleeve 3 is a circular cylinder. The outer wall of the second grouting sleeve 4 is an arc-shaped surface protruding outwards. The grouting holes 5 are located at the lower portion of the side wall of the first grouting sleeve 3, and the grout outlet holes 6 are located at the upper portion of the side wall of the first grouting sleeve 3. The grout outlet 6 may be located directly above the grout outlet 5. The outer diameter of the second grout sleeve 4 is also preferably smaller at both ends than at the middle. The outer diameter of one end of the second grout sleeve 4 may be smaller than that of the other end. The inner diameter of one end of the second grout sleeve 4 may be smaller than that of the other end. For example, the inner diameter dimension of the lower end of the second grout sleeve 4 may be smaller than the inner diameter dimension of the upper end. The outer diameter of the lower end of the second grout sleeve 4 may be smaller than the outer diameter of the upper end. The inner wall of the second grout sleeve 4 may also be an arc-shaped surface protruding outward. The second grout sleeve 4 may be circular in cross-section. The number of the first grout sleeve 3 and the second grout sleeve 4 may be at least two and uniformly distributed, and the number of the two may be equal.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (6)
1. A precast concrete shear wall component comprises a first grouting sleeve (3) and a second grouting sleeve (4), and is characterized in that the first grouting sleeve (3) and the second grouting sleeve (4) are connected between the upper end and the lower end of a longitudinal steel bar (2) in a precast reinforced concrete shear wall plate (1) in a crossed manner, the first grouting sleeve (3) is connected with the lower end of the longitudinal steel bar (2), and the second grouting sleeve (4) is connected with the upper end of the longitudinal steel bar (2); the first grouting sleeve (3) and the second grouting sleeve (4) are arranged in the longitudinal steel bars (2) in the same row in a crossed manner; the internal diameter size at second grout sleeve (4) both ends is less than the internal diameter size at middle part, and vertical reinforcing bar (2) are inserted from the top of second grout sleeve (4), and the grout pours into from the open-top of second grout sleeve (4), is provided with grouting hole (5) and grout outlet (6) on the lateral wall of first grout sleeve (3).
2. A precast concrete shear wall member according to claim 1, wherein the upper end of the second grout sleeve (4) is exposed above the top of the precast reinforced concrete shear wall panel (1).
3. A precast concrete shear wall member according to claim 1, wherein the height of the second grout sleeve (4) is equal to the thickness h of a cast-in-place layer between the upper precast reinforced concrete shear wall panel (1) and the lower precast reinforced concrete shear wall panel (1).
4. The precast concrete shear wall member according to claim 1, wherein the upper end of the longitudinal reinforcing steel bar (2) is provided with external threads, the end of the second grout sleeve (4) connected to the lower end of the longitudinal reinforcing steel bar (2) is provided with internal threads, and the upper end of the longitudinal reinforcing steel bar (2) is threadedly connected to the second grout sleeve (4).
5. A precast concrete shear wall member according to claim 1, wherein the bottom of the first grout sleeve (3) is flush with the bottom surface of the precast reinforced concrete shear wall panel (1).
6. A precast concrete shear wall member according to claim 1, wherein the lower end of the longitudinal reinforcing steel bar (2) is provided with external threads, the end of the first grout sleeve (3) connected to the lower end of the longitudinal reinforcing steel bar (2) is provided with internal threads, and the lower end of the longitudinal reinforcing steel bar (2) is threadedly connected to the first grout sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021698730.0U CN212896961U (en) | 2020-08-14 | 2020-08-14 | Precast concrete shear wall component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021698730.0U CN212896961U (en) | 2020-08-14 | 2020-08-14 | Precast concrete shear wall component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212896961U true CN212896961U (en) | 2021-04-06 |
Family
ID=75242227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021698730.0U Expired - Fee Related CN212896961U (en) | 2020-08-14 | 2020-08-14 | Precast concrete shear wall component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212896961U (en) |
-
2020
- 2020-08-14 CN CN202021698730.0U patent/CN212896961U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |