CN208363343U - The fabricated shear wall of curved scissors stress separation - Google Patents
The fabricated shear wall of curved scissors stress separation Download PDFInfo
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- CN208363343U CN208363343U CN201820833560.9U CN201820833560U CN208363343U CN 208363343 U CN208363343 U CN 208363343U CN 201820833560 U CN201820833560 U CN 201820833560U CN 208363343 U CN208363343 U CN 208363343U
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Abstract
本实用新型涉及装配式剪力墙技术领域，公开了一种弯剪受力分离的装配式剪力墙。本实用新型单一楼层内的剪力墙由单元墙板上下拼接组成，相邻单元墙板之间通过预应力筋张拉连接；单元墙板底部端面设有向下外凸的抗剪键，顶端设置有与抗剪键相对应的、向下内凹的抗剪槽，抗剪键与下方相邻的单元墙板的抗剪槽配合插接；单一楼层内的剪力墙内部设置有预应力筋通道，预应力筋通道包括交叉设置的第一斜向通道和第二斜向通道，第一斜向通道与第二斜向通道内分别穿设有预应力筋，预应力筋从单元墙板一侧边沿斜向剪力墙的斜对角方向、伸入相邻单元墙板另一侧边沿。本实用新型完全区别与传统连接方式，受力明确，容易检修，连接质量可控性强，施工便捷高效。
The utility model relates to the technical field of assembled shear walls, and discloses an assembled shear wall with separation of bending and shear stress. The shear wall in a single floor of the utility model is composed of unit wall panels spliced up and down, and the adjacent unit wall panels are connected by prestressing tendons; There is a downward concave shear groove corresponding to the shear key, and the shear key is matched with the shear groove of the adjacent unit wall panel below; the shear wall in a single floor is provided with prestressing force inside The rib channel, the prestressed rib channel includes a first oblique channel and a second oblique channel arranged in a cross, the first oblique channel and the second oblique channel are respectively provided with prestressed ribs, and the prestressed ribs extend from the unit wall panel. One side edge extends into the other side edge of the adjacent unit wall panel along the diagonal direction of the oblique shear wall. The utility model is completely different from the traditional connection mode, the force is clear, the maintenance is easy, the controllability of the connection quality is strong, and the construction is convenient and efficient.
Description
Technical field
The utility model relates to fabricated shear wall technical fields, more particularly to a kind of assembled of curved scissors stress separation
Shear wall.
Background technique
Prefabrication be using prefabricated components as main member, through assembly, connection, part it is cast-in-place made of concrete
Structure with construction efficiency height, advantage at low cost, while meeting the green construction principle of " four sections, one environmental protection ", is building
The developing direction of engineering field.
In current assembled architecture, the shear wall in a floor is mostly that monolith is prefabricated, then by itself and Vierendeel girder
Or frame column connection, under this connection type, bending deformation that prefabricated panel occurs and it is shear-deformable be all carried on it is identical by
On power position, it can not restore after being damaged.And vertically connecting between the precast shear wall in prefabricated assembled construction at present
Most of use grout sleeves are connect to connect, but the detection technique and means of the grouting quality due to being directed in grout sleeve at present
It all shows slightly insufficient, the mode of sampling observation is usually used, and detection method also belongs to the detection of damage type mostly, wants after the completion of detection
Again reparation and connection are carried out to detection position, it is not only time-consuming and laborious, construction period is extended, and between vertical member
Quality of connection is difficult to ensure.
Utility model content
The utility model provides a kind of difference and conventional coupling arrangement completely, and stress is clear, is easy maintenance, quality of connection can
Control property is strong, the fabricated shear wall of the curved scissors stress separation for convenient and efficient of constructing.
The technical issues of solution is: for existing precast shear wall as unit of story height, monolith is prefabricated, bending deformation and
Shear-deformable concentration can not be restored after damage, and traditional grout sleeve connection type, and quality is not easy control, time-consuming and laborious, apply
Work inefficiency.
In order to solve the above technical problems, the utility model adopts the following technical solution:
The fabricated shear wall of the utility model curved scissors stress separation, shear wall in single floor by unit wallboard above and below
Splicing forms, and passes through tension of prestressed tendon between adjacent cells wallboard and connects；The unit wallboard bottom end face is equipped with outer downwards
Convex shear key, top are provided with the shearing resistance slot of corresponding with shear key, downward indent, and the shear key is adjacent with lower section
The shearing resistance slot of unit wallboard cooperates grafting；Shear wall in the single floor is internally provided with presstressed reinforcing steel channel, prestressing force
Muscle channel includes the first slanted channel and the second slanted channel arranged in a crossed manner, first slanted channel and the second slanted channel
Inside be equipped with presstressed reinforcing steel respectively, the presstressed reinforcing steel from unit wallboard a side diagonally the diagonally opposing corner direction of shear wall, stretch
Enter adjacent cells wallboard other side edge.
The fabricated shear wall of the utility model curved scissors stress separation, further, first slanted channel and second
Slanted channel and the angle of horizontal direction are 30-60 °.
The fabricated shear wall of the utility model curved scissors stress separation is further set on the shear wall in single floor
The quantity of the first slanted channel and the second slanted channel set is no less than 2 respectively.
The fabricated shear wall of the utility model curved scissors stress separation, further, two of the unit wallboard are edge-on
The exit in the presstressed reinforcing steel channel on end face is provided with the Anchoring recess for placing the anchored end of presstressed reinforcing steel.
The fabricated shear wall of the utility model curved scissors stress separation, further, the shear key are armored concrete
The fin of structure is formed along the elongated setting of the thickness direction of wall with unit wallboard formed by integrally casting.
The fabricated shear wall of the utility model curved scissors stress separation, further, the reinforcing bar in the shear key are to connect
Vertical muscle and horizontal hoop are connect, wherein the bottom face of connection lengthwise rib confrontation unit wallboard is vertical, connection lengthwise rib top and unit wallboard
Interior framework of steel reinforcement connection.
The fabricated shear wall of the utility model curved scissors stress separation, further, the anchorage length of the connection lengthwise rib
For 20-60d.
The fabricated shear wall of the utility model curved scissors stress separation, further, the longitudinal section of the shear key are square
Shape, the length of longitudinal sectionlIt is 100-300mm for the 1/5-1/2 of the length of unit wallboard, width a.
The fabricated shear wall of the utility model curved scissors stress separation, further, the unit wallboard are reinforced concrete
Soil structure, internal framework of steel reinforcement include the left diagonal bar and right diagonal bar for being mutually perpendicular to intersection, the angle of left diagonal bar and horizontal direction
It is 45 °.
The fabricated shear wall of the utility model curved scissors stress separation compared with prior art, has the following beneficial effects:
Shearing of the fabricated shear wall of the utility model curved scissors stress separation using floor as unit boundary, in each floor
Wall precast block is spliced to form entire shear wall up and down, passes through shear key and shearing resistance slot between neighbouring unit wallboard
Grafting positioning, not only reduces positioning difficulty when installation, improves construction efficiency, and shear key can be with Transfer of Shear；Together
When the mode that is connected in conjunction with tension of prestressed tendon inside shear wall, neighbouring unit wallboard is connected, can not only be transmitted
Moment of flexure can provide anti-bending bearing capacity, and the vertical force component of its pretightning force can mention for wall in the case where limit stress
For horizontal friction force, the globality and continuity of neighbouring unit wallboard ensure that.
The setting of the utility model shear key and the setting of presstressed reinforcing steel, the stress condition that comprehensively consider shear wall are made
Specific selection, stress is clear, realizes the separation of curved scissors stress substantially, substantially increases the anti-seismic performance of shear wall entirety；Even
It connects simple to operation, enormously simplifies construction procedure, improve construction efficiency.
The utility model is provided with support arrangement of reinforcement inside shear key, not only ensures the anchoring strength of shear key, and
The shearing strength for considerably increasing shear key, plays shearing resistance effect with presstressed reinforcing steel and cooperates with, and completes cutting for entire shear wall jointly
Power transmitting.
The fabricated shear wall of the curved scissors stress separation of the utility model is described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fabricated shear wall of the utility model curved scissors stress separation；
Fig. 2 is the reinforcing bar distribution schematic diagram in unit wallboard；
Fig. 3 is position X, that is, shear key connecting portion detailed structure schematic diagram in Fig. 1.
Appended drawing reference:
1- unit wallboard；11- framework of steel reinforcement；The left diagonal bar of 111-；The right diagonal bar of 112-；The first slanted channel of 21-；22- second
Slanted channel；3- Anchoring recess；31- anchors face；4- shear key；5- shearing resistance slot；61- connection lengthwise rib；62- horizontal hoop；7- is pre-
Stress rib；8- high-strength mortar；9- grouting material.
Specific embodiment
As shown in Figure 1, the fabricated shear wall of the utility model curved scissors stress separation, the shear wall in single floor is by list
First about 1 wallboard splicing forms, and is connected between adjacent cells wallboard 1 by 7 tensioning of presstressed reinforcing steel.
As shown in Fig. 2, unit wallboard 1 is reinforced concrete structure, internal framework of steel reinforcement 11 includes being mutually perpendicular to intersect
Left diagonal bar 111 and right diagonal bar 112, left diagonal bar 111 and the angle of horizontal direction are 45 °.
As shown in figure 3, the top of unit wallboard 1 is provided with the shearing resistance slot 5 to lower recess, bottom end is provided with and shearing resistance slot 5
The shear key 4 of corresponding, upward evagination, the shearing resistance slot 5 at 1 top of shear key 4 and adjacent cells wallboard of 1 bottom of unit wallboard
Cooperate grafting, with 8 joint filling of high-strength mortar sealing between shear key 4 and shearing resistance slot 5.
As shown in Fig. 2, shear key 4 is the fin of reinforced concrete structure, along the elongated setting of the thickness direction of wall, with list
First 1 formed by integrally casting of wallboard forms, and the longitudinal section of shear key 4 is rectangle, the length of longitudinal sectionlIt is the 1/ of the length of unit wallboard 1
, width a is 100-300mm, and the reinforcing bar in shear key 4 includes connection lengthwise rib 61 and horizontal hoop 62, and connection lengthwise rib 61 is hung down
Directly it is arranged in 1 bottom face of unit wallboard, and arranges along the surrounding edge uniform intervals of 4 cross section of shear key, connection lengthwise rib 61 is pushed up
End is connect with the framework of steel reinforcement 11 in unit wallboard 1, and the anchorage length of connection lengthwise rib 61 is 20-60d, and thus comprehensively considers and apply
The factors such as the strength grade of the nominal diameter, reinforced steel bar strength of connection lengthwise rib 61 used in work and the concrete poured,
According to the relevant regulations in GB 50010-2010 " Code for design of concrete structures ", calculates and determine that the setting of connection lengthwise rib 61 is long
Degree；Horizontal hoop 62 is bound round together around the outside that connection lengthwise rib 61 is arranged in, and is intervally arranged up and down, adjacent level stirrup
The distance between 62 are not more than 50mm.
Shear wall in single floor is internally provided with presstressed reinforcing steel channel, is equipped in presstressed reinforcing steel channel elongated pre-
Stress rib 7；Presstressed reinforcing steel 7 from a side of a module unit wallboard 1 diagonally the diagonally opposing corner direction of shear wall, protrude into adjacent cells
The tensioning connection of two neighboring unit wallboard 1 is realized at the other side edge of wallboard 1；Presstressed reinforcing steel is provided with grouting material in channel
9, can not only it prevent presstressed reinforcing steel from corroding, but also the cementability and anchoring strength of presstressed reinforcing steel and shear wall can be enhanced；Positioned at bottom
Presstressed reinforcing steel anchored end be no more than the 1/5 of shear wall total height apart from floor upper surface, the setting quantity of presstressed reinforcing steel 7 and set
It is a variety of that the mode of setting needs to comprehensively consider nominal diameter of the area of shear wall cross section, the intensity of presstressed reinforcing steel, presstressed reinforcing steel etc.
Factor will also share jointly the Transfer of Shear of entire shear wall cross section, therefore also to integrate in conjunction with the shearing strength of shear key 4
The length and width for considering 4 longitudinal section of shear key, is specifically chosen.
Presstressed reinforcing steel channel includes the first slanted channel 21 and the second slanted channel 22 arranged in a crossed manner, the first slanted channel
21 with the vertical central axes of 22 confrontation unit wallboard 1 of the second slanted channel bilateral symmetry, be obliquely installed, the first slanted channel 21 with
The angle of horizontal direction is 30-60 °；The first slanted channel 21 and second being arranged on shear wall in single floor is oblique logical
The quantity in road 22 is no less than 2 respectively, uniformly arranges on the metope of shear wall；Presstressed reinforcing steel channel is pre-buried bellows,
Using bellows while forming pre-buried channel, the cohesive force and anchoring strength between casting concrete can be enhanced.
The exit in the presstressed reinforcing steel channel on two edge-on end faces of unit wallboard 1 is provided with for placing presstressed reinforcing steel
The Anchoring recess 3 of 7 anchored end, the anchoring face 31 of Anchoring recess 3 and the length direction in presstressed reinforcing steel channel are vertically arranged；Anchoring
Groove 3 can be used directly balustrade exterior panelling and block, without carrying out other sealings or blocking operation.
When shear wall as exterior wall in use, at the horizontal joint of adjacent cells wallboard 1, rubber filler rod and embedding can be used
Groove matches, and grafting sealing increases the percolation path of external water, improves the waterproof at 1 horizontal joint of adjacent cells wallboard
Ability.
Similar, the connection type that the utility model is recorded can be used for the connection of prefabricated post and prefabricated cut
Vertical connection between power wall and foundation structure.
The construction method of the fabricated shear wall of the utility model curved scissors stress separation, specifically includes the following steps:
Step 1: the unit wallboard 1 of prefabrication is numbered, guarantee that its construction is in place convenient, and installation is rationally,
Ensure arrangement of reinforcement it is big in lower part, arrangement of reinforcement is small on top；
Step 2: cast in situs shears foundation of wall；
Unit wallboard 1 and the connection type of shearing foundation of wall can also be used and this using conventional connection type
The identical connection type that scheme is recorded then needs reserved shearing resistance slot, buries presstressed reinforcing steel channel, it is ensured that on the basis of shear wall
Presstressed reinforcing steel channel on presstressed reinforcing steel channel and the unit wallboard 1 being directly connected to, which can be located along the same line, penetrates through connection；
Step 3: unit wallboard is fixedly connected with shearing foundation of wall；
Identical connection type is recorded according to this programme, specific form of construction work is as follows:
Step A, it is in the milk in shearing resistance slot on the basis of shear wall, blocks shearing resistance slot two sides before grouting；
Step B, the unit wallboard 1 that will be directly connected to shearing foundation of wall lifts in place, and adjustment angle and position will be single
Shear key 4 on first 1 lower end surface of wallboard is properly inserted in the shearing resistance slot on the basis of shear wall；
Step C, presstressed reinforcing steel is penetrated into presstressed reinforcing steel channel, and carries out symmetrical tensioning, by presstressed reinforcing steel after tensioning
Both ends carry out anchoring fixation；
Step D, grouting material 9 is injected in presstressed reinforcing steel channel, completes unit wallboard and shears the connection of foundation of wall；
Step 4: injecting high-strength mortar 8 in the shearing resistance slot 5 on 1 top of unit wallboard, 5 two sides of shearing resistance slot are carried out in advance
It blocks；
Step 5: adjacent unit wallboard 1 is lifted in place, adjustment angle and position, by the shear key 4 on its lower end surface
It is properly inserted in the shearing resistance slot 5 for having completed grouting；
Step 6: presstressed reinforcing steel 7 is penetrated presstressed reinforcing steel channel, and symmetrical tensioning is carried out, by prestressing force after tensioning
The both ends of muscle 7 carry out anchoring fixation；
Step 7: injecting grouting material 9 in presstressed reinforcing steel channel, the connection of unit wallboard 1 is completed；
Step 8: repeating step 4 to step 7, the connection installation of whole shear wall is completed.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833560.9U CN208363343U (en) | 2018-05-31 | 2018-05-31 | The fabricated shear wall of curved scissors stress separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833560.9U CN208363343U (en) | 2018-05-31 | 2018-05-31 | The fabricated shear wall of curved scissors stress separation |
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| Publication Number | Publication Date |
|---|---|
| CN208363343U true CN208363343U (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820833560.9U Expired - Fee Related CN208363343U (en) | 2018-05-31 | 2018-05-31 | The fabricated shear wall of curved scissors stress separation |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824671A (en) * | 2018-05-31 | 2018-11-16 | 中国建筑股份有限公司 | The fabricated shear wall and its construction method of curved scissors stress separation |
| CN117107945A (en) * | 2023-10-23 | 2023-11-24 | 信息产业电子第十一设计研究院科技工程股份有限公司 | A construction structure and construction method of a hinged anti-microvibration concrete filling wall |
-
2018
- 2018-05-31 CN CN201820833560.9U patent/CN208363343U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824671A (en) * | 2018-05-31 | 2018-11-16 | 中国建筑股份有限公司 | The fabricated shear wall and its construction method of curved scissors stress separation |
| CN117107945A (en) * | 2023-10-23 | 2023-11-24 | 信息产业电子第十一设计研究院科技工程股份有限公司 | A construction structure and construction method of a hinged anti-microvibration concrete filling wall |
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| Date | Code | Title | Description |
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| 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: 20190111 |