CN114991320A - Horizontal connecting structure of assembled shear wall - Google Patents
Horizontal connecting structure of assembled shear wall Download PDFInfo
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- CN114991320A CN114991320A CN202210748739.5A CN202210748739A CN114991320A CN 114991320 A CN114991320 A CN 114991320A CN 202210748739 A CN202210748739 A CN 202210748739A CN 114991320 A CN114991320 A CN 114991320A
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- steel plate
- concrete wall
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- precast concrete
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 109
- 239000010959 steel Substances 0.000 claims abstract description 109
- 239000011178 precast concrete Substances 0.000 claims abstract description 55
- 239000004567 concrete Substances 0.000 claims abstract description 25
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to an assembled shear wall horizontal connection structure, which comprises an upper precast concrete wall, a lower precast concrete wall and a channel steel plate, wherein a vertically-arranged upper pre-buried steel plate is pre-buried at the lower part of the upper precast concrete wall, a vertically-arranged lower pre-buried steel plate is pre-buried at the top of the lower precast concrete wall, one part of the upper pre-buried steel plate extends out of the upper precast concrete wall, and one part of the lower pre-buried steel plate extends out of the lower precast concrete wall; the embedded steel plate of upper strata and the embedded steel plate of lower floor stretch out the laminating side by side of the part in outside and place, and both sides set up the groove type steel sheet, realize connecting through high strength bolt. The invention uses the steel plate to replace a part of steel bars, so that a part of the steel plate is embedded in the concrete wall, the other part of the steel plate extends out, and the steel plate is connected with the high-strength bolt through the groove-shaped steel plate, thereby having convenient construction, short construction period, cost saving, economic benefit and good integrity.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a horizontal connecting structure of a fabricated shear wall, which is applied to a fabricated concrete structure in a multi-disaster area such as an earthquake.
Background
The prefabricated concrete structure accords with the development direction of building industrialization, and is a building structure form which is greatly researched, developed and popularized in various countries in recent years. At present, the common horizontal joint reinforcing steel bar connecting modes in China mainly comprise a sleeve grout anchor connection mode, a reserved hole grout anchor indirect lap joint mode, an insertion type reserved hole grouting reinforcing steel bar lap joint mode and the like. The horizontal joint reinforcing steel bar connection mode mentioned above is mostly a wet connection mode, that is, grouting is needed to be performed at the joint. Although the wet connection mode of the type is not greatly different from the cast-in-place wall in terms of various mechanical properties in the test, the defects are also obvious in the engineering practice: the finished product of the component is difficult to protect, and the connecting device is easy to deform due to collision in the transportation process, so that the field assembly is difficult; grouting operation belongs to hidden engineering, not only is the construction process complex, the quality is more difficult to detect, and potential safety hazards are easy to generate in engineering practice; in the grouting process, grouting holes are easy to block, and rework is caused.
Therefore, the horizontal joint connection structure adopting the dry connection mode is produced at the same time, compared with wet connection, the dry connection method does not need maintenance time, the upper cover can be continuously covered by one layer after assembly is finished, the construction period is effectively shortened, meanwhile, the structure of the connection part is simpler, the component manufacturing is convenient, and the connection quality is also convenient to detect. In the dry type connection, cast-in-place concrete is generally not needed when all prefabricated parts are assembled on site, and the common connection modes of the horizontal joint of the precast concrete shear wall include post-tensioned prestressed rib compression joint, bolt connection, welding connection and the like. However, the current dry-type connection is low in development speed at present in China, less in engineering application, high in design difficulty and complex in technology. Meanwhile, the structural integrity of the existing dry-type connecting mode is poor, structural measures for reinforcing the structural integrity in the design process are few, and the lack of integrity can lead to the weakening of the seismic performance.
Disclosure of Invention
Aiming at the defects of the prior art, in order to improve the shock resistance and the defects of complex technology and high design difficulty of a horizontal joint connection structure of an assembled shear wall, the invention provides the horizontal connection structure of the assembled shear wall.
A horizontal connecting structure of an assembled shear wall comprises an upper precast concrete wall, a lower precast concrete wall and a channel steel plate, wherein a vertically-arranged upper pre-buried steel plate is pre-buried at the lower part of the upper precast concrete wall, a vertically-arranged lower pre-buried steel plate is pre-buried at the top of the lower precast concrete wall, part of the upper pre-buried steel plate extends out of the upper precast concrete wall, and part of the lower pre-buried steel plate extends out of the lower precast concrete wall; the embedded steel plate of upper strata and the embedded steel plate of lower floor stretch out the laminating side by side of the part in outside and place, and both sides set up the groove type steel sheet, realize connecting through high strength bolt.
The part of the upper layer of embedded steel plate extending out of the upper layer of precast concrete wall is the same as the part of the lower layer of embedded steel plate extending out of the lower layer of precast concrete wall in length.
The pre-buried steel sheet of upper strata and the pre-buried steel sheet of lower floor stretch out that the part of outside is corresponding to have seted up pre-buried steel sheet and reserve the hole, have seted up web on the web of groove type steel sheet and reserve the hole, and the pre-buried steel sheet of upper strata, the pre-buried steel sheet of lower floor reservation hole and the web of groove type steel sheet reserve the hole and closely laminate, and high strength bolt passes web, the pre-buried steel sheet of upper strata and the pre-buried steel sheet of lower floor of groove type steel sheet, realizes connecting through nut locking.
The upper layer embedded steel plate is tightly connected with the upper layer precast concrete wall through concrete pouring, and the lower layer embedded steel plate is tightly connected with the lower layer precast concrete wall through concrete pouring.
Pre-buried screw rods are also pre-buried at four corners of the bottom of the upper precast concrete wall, and part of the pre-buried screw rods extends out of the upper precast concrete wall; a flange reserved hole is correspondingly formed in one side flange of the groove-shaped steel plate, penetrates through the embedded screw and is locked by a nut; the four corners of the top of the lower-layer precast concrete wall are also pre-embedded with pre-embedded screws, a part of the pre-embedded screws extends out of the lower-layer precast concrete wall, the flange of the other side of the groove-shaped steel plate is correspondingly provided with flange reserved holes, and the flange reserved holes penetrate through the pre-embedded screws and are locked by nuts.
The embedded screw is tightly connected with the upper precast concrete wall and the lower precast concrete wall through concrete pouring.
Compared with the existing dry connection, the invention has the advantages that:
1. the embedded steel plates in the precast concrete wall are connected through concrete pouring, and the precast concrete wall is good in integrity and high in strength.
2. The embedded steel plate is adopted to replace part of steel bars in the existing dry-type connecting structure, and the influence on the structure seismic resistance is small.
3. According to the invention, the embedded steel plates are connected through the high-strength bolts, so that the shearing resistance of the node can be effectively ensured, and the installation is simple and convenient.
4. The groove-shaped steel plate is arranged, so that the bending deformation of the embedded steel plate can be effectively guaranteed, the integrity of the connecting structure and the wall body is enhanced, and the shock resistance of two ends of the assembled shear wall is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic rear view of FIG. 1;
FIG. 3 is an enlarged view of a node in the present invention;
FIG. 4 is a schematic view of a lower fabricated shear wall of the present invention;
FIG. 5 is a schematic view of a mid-upper fabricated shear wall of the present invention;
FIG. 6 is a schematic view of a channel steel plate according to the present invention;
FIG. 7 is a schematic view of a high-strength bolt of the present invention;
FIG. 8 is a schematic view of a nut of the present invention;
wherein,
1-upper precast concrete wall, 2-upper pre-buried steel plate, 3-lower pre-buried steel plate, 4-channel steel plate, 5-pre-buried screw, 6-lower precast concrete wall, 7-high-strength bolt, 8-nut, 9-pre-buried steel plate reserved hole, 10-flange reserved hole and 11-web plate reserved hole.
Detailed Description
For better understanding of the present invention, the technical solutions and effects of the present invention will be described in detail by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-2, an assembled shear wall horizontal connection structure comprises an upper precast concrete wall 1, a lower precast concrete wall 6 and a channel steel plate 4, wherein an upper embedded steel plate 2 vertically arranged is embedded in the lower part of the upper precast concrete wall 1, a lower embedded steel plate 3 vertically arranged is embedded in the top of the lower precast concrete wall 6, a part of the upper embedded steel plate 2 extends out of the upper precast concrete wall 1, and a part of the lower embedded steel plate 3 extends out of the lower precast concrete wall 6. The part of the upper layer embedded steel plate 2 extending out of the upper layer precast concrete wall 1 is the same as the part of the lower layer embedded steel plate 3 extending out of the lower layer precast concrete wall 6 in length. As shown in fig. 3, the upper layer embedded steel plate 2 and the lower layer embedded steel plate 3 are attached to the outside in parallel, the groove-shaped steel plates 4 are arranged on the two sides, and the connection is realized through the high-strength bolts 7. As shown in fig. 4-5, the embedded steel plate reserved holes 9 are correspondingly formed in the parts of the upper embedded steel plate 2 and the lower embedded steel plate 3 extending outside, as shown in fig. 6, web reserved holes 11 are formed in the web of the groove steel plate 4, the embedded steel plate reserved holes 9 of the upper embedded steel plate 2 and the lower embedded steel plate are tightly attached to the web reserved holes 11 of the groove steel plate, the high-strength bolts 7 penetrate through the web of the groove steel plate 4, the upper embedded steel plate 2 and the lower embedded steel plate 3, and are locked by nuts 8 to achieve connection, so that the assembled shear wall is formed.
The upper-layer embedded steel plates 2 are closely connected with the upper-layer precast concrete wall 1 through concrete pouring, and the lower-layer embedded steel plates 3 are closely connected with the lower-layer precast concrete wall 6 through concrete pouring.
Four corners of the bottom of the upper precast concrete wall 1 are also pre-embedded with pre-embedded screws 5, and a part of the pre-embedded screws 5 extends out of the upper precast concrete wall 1; and a flange reserved hole 10 is correspondingly formed in one side flange of the groove-shaped steel plate 4, and the flange reserved hole 10 penetrates through the embedded screw rod 5 and is locked by the nut 8. The four corners of the top of the lower-layer precast concrete wall 6 are also pre-embedded with pre-embedded screws 5, a part of the pre-embedded screws 5 extends out of the lower-layer precast concrete wall 6, flange reserved holes 10 are correspondingly formed in flanges on the other side of the groove steel plate 4, and the flange reserved holes 10 penetrate through the pre-embedded screws 5 and are locked by nuts 8.
The embedded screw rods 5 are tightly connected with the upper precast concrete wall 1 and the lower precast concrete wall 6 through concrete pouring.
Including 12 high-strength bolts 7 and 12 pre-buried screws 5 in this embodiment, including four channel steel plates 4, the symmetry sets up two tip at upper precast concrete wall 1 and 6 junctures of lower precast concrete wall. Six web reserved holes 11 are formed in a web of each groove-shaped steel plate 4, and six embedded steel plate reserved holes 9 are correspondingly formed in each end part of a connecting node on the upper embedded steel plate 2 and the lower embedded steel plate 3; three flange reserved holes 10 are formed in the flanges of each side of the groove-shaped steel plate 4, six embedded screws 5 are embedded in each end, located at each connecting node, of the upper prefabricated concrete wall 1 and the lower prefabricated concrete wall 6, and the upper prefabricated concrete wall and the lower prefabricated concrete wall are connected with the flanges of the groove-shaped steel plates 4 on the two sides of the upper embedded steel plate 2 and the lower embedded steel plate 3 in a pre-embedded mode. The high-strength bolt 7 used in this embodiment is shown in fig. 7, and the nut 8 is shown in fig. 8. The web reserved holes 11 of the four groove-shaped steel plates are completely corresponding to and tightly attached to the pre-buried steel plate reserved holes 9, and are connected through the high-strength bolts 7 to form a whole.
Claims (6)
1. The utility model provides an assembled shear force wall horizontal connection structure which characterized in that: the prefabricated concrete wall comprises an upper prefabricated concrete wall, a lower prefabricated concrete wall and a groove steel plate, wherein an upper embedded steel plate which is vertically placed is embedded in the lower part of the upper prefabricated concrete wall, a lower embedded steel plate which is vertically placed is embedded in the top of the lower prefabricated concrete wall, part of the upper embedded steel plate extends out of the upper prefabricated concrete wall, and part of the lower embedded steel plate extends out of the lower prefabricated concrete wall; the embedded steel plate of upper strata and the embedded steel plate of lower floor stretch out the laminating side by side of the part in outside and place, and both sides set up the groove type steel sheet, realize connecting through high strength bolt.
2. The fabricated horizontal connection structure of a shear wall according to claim 1, wherein: the upper layer embedded steel plate extends out of the upper layer precast concrete wall, and the lower layer embedded steel plate extends out of the lower layer precast concrete wall, and the lengths of the parts are the same.
3. The fabricated shear wall horizontal connection structure of claim 2, wherein: the pre-buried steel sheet of upper strata and the pre-buried steel sheet of lower floor stretch out that the part of outside is corresponding to have seted up pre-buried steel sheet and reserve the hole, have seted up web on the web of groove type steel sheet and reserve the hole, and the pre-buried steel sheet of upper strata, the pre-buried steel sheet of lower floor reservation hole and the web of groove type steel sheet reserve the hole and closely laminate, and high strength bolt passes web, the pre-buried steel sheet of upper strata and the pre-buried steel sheet of lower floor of groove type steel sheet, realizes connecting through nut locking.
4. The fabricated horizontal connection structure of a shear wall according to claim 1, wherein: the upper layer of embedded steel plates are closely connected with the upper layer of precast concrete wall through concrete pouring, and the lower layer of embedded steel plates are closely connected with the lower layer of precast concrete wall through concrete pouring.
5. The fabricated shear wall horizontal connection structure of claim 3, wherein: pre-buried screw rods are also pre-buried at four corners of the bottom of the upper precast concrete wall, and part of the pre-buried screw rods extends out of the upper precast concrete wall; a flange reserved hole is correspondingly formed in one side flange of the groove-shaped steel plate and penetrates through the embedded screw and is locked by a nut; the four corners of the top of the lower-layer precast concrete wall are also pre-embedded with pre-embedded screws, a part of the pre-embedded screws extends out of the lower-layer precast concrete wall, the flange of the other side of the groove-shaped steel plate is correspondingly provided with flange reserved holes, and the flange reserved holes penetrate through the pre-embedded screws and are locked by nuts.
6. The fabricated horizontal connection structure of a shear wall according to claim 5, wherein: and the pre-buried screw rods are tightly connected with the upper precast concrete wall and the lower precast concrete wall through concrete pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210748739.5A CN114991320A (en) | 2022-06-29 | 2022-06-29 | Horizontal connecting structure of assembled shear wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210748739.5A CN114991320A (en) | 2022-06-29 | 2022-06-29 | Horizontal connecting structure of assembled shear wall |
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| Publication Number | Publication Date |
|---|---|
| CN114991320A true CN114991320A (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210748739.5A Pending CN114991320A (en) | 2022-06-29 | 2022-06-29 | Horizontal connecting structure of assembled shear wall |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301534A (en) * | 2018-02-05 | 2018-07-20 | 沈阳建筑大学 | A kind of card slot type shear wall horizontal connection structure and preparation method thereof, construction method |
| CN108797840A (en) * | 2018-08-03 | 2018-11-13 | 青岛理工大学 | Prefabricated concrete shear force wall assembled connected node |
| CN109440973A (en) * | 2018-12-20 | 2019-03-08 | 沈阳建筑大学 | A kind of fabricated shear wall vertically connects energy-dissipation structure and its construction method |
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2022
- 2022-06-29 CN CN202210748739.5A patent/CN114991320A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301534A (en) * | 2018-02-05 | 2018-07-20 | 沈阳建筑大学 | A kind of card slot type shear wall horizontal connection structure and preparation method thereof, construction method |
| CN108797840A (en) * | 2018-08-03 | 2018-11-13 | 青岛理工大学 | Prefabricated concrete shear force wall assembled connected node |
| CN109440973A (en) * | 2018-12-20 | 2019-03-08 | 沈阳建筑大学 | A kind of fabricated shear wall vertically connects energy-dissipation structure and its construction method |
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