CN107663909B - Connection structure and connection method for precast concrete partition wall and main body structure - Google Patents
Connection structure and connection method for precast concrete partition wall and main body structure Download PDFInfo
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- CN107663909B CN107663909B CN201711067325.1A CN201711067325A CN107663909B CN 107663909 B CN107663909 B CN 107663909B CN 201711067325 A CN201711067325 A CN 201711067325A CN 107663909 B CN107663909 B CN 107663909B
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- 238000005192 partition Methods 0.000 title claims abstract description 128
- 239000011178 precast concrete Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 6
- 239000004567 concrete Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
- E04B2/828—Connections between partitions and structural walls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a connecting structure and a connecting method of a precast concrete partition wall and a main body structure. The partition wall in the connecting structure is provided with partition wall connecting grooves in which first connecting pieces are embedded, and connecting columns are arranged in the middle of the connecting grooves; the main body structure is also provided with a main body structure connecting groove pre-embedded with a second connecting piece; the connecting ring consists of two semicircular ring pieces; the two semicircular ring pieces are oppositely arranged to form a ring, and the diameter of the ring is slightly larger than that of the connecting column; the upper end of each semicircular ring is bent to form a connecting end with a bolt hole; the two semicircular rings of the connecting ring are enclosed on the periphery of the connecting column, and flexible materials are filled between the connecting ring and the connecting column; the connecting end of the connecting ring is connected with the first connecting piece through a bolt, and the lower ends of two semicircular rings forming the connecting ring are connected through welding; the connecting seat comprises two symmetrical members with semicircular gaps and long bolt holes, the two semicircular gaps of the connecting seat are enclosed on the periphery of the connecting ring, and the long bolt holes are formed in the second connecting piece through bolt connection.
Description
Technical Field
The invention relates to a connecting structure and a connecting method of a precast concrete partition wall and a main body structure.
Background
Walls that are used only to partition the interior space of a building, not bearing weight, are known as interior partition walls. The traditional interior partition wall has the aerated concrete block wall that adopts the light, has the partition wall that adopts light slat, still adopts the light steel joist to add the partition wall of gypsum board, and such partition wall construction methods exist on-the-spot operating efficiency low, and it is time-consuming, laborsaving, material consuming, and it is poor to give sound insulation fire prevention effect, and the laying of pipeline needs the secondary operation simultaneously, brings the trouble for the construction.
The prefabricated partition wall is prefabricated by using an industrialized technology, and is installed on a construction site, pipelines can be designed in an integrated mode, and the pipelines are embedded in the prefabricated partition wall, so that great convenience is brought to subsequent construction.
However, the existing prefabricated partition wall still has obvious defects, the prefabricated partition wall and the main structure are mostly connected in a steel plate welding mode, the rigidity of the connecting joint can be too high due to the connecting mode, once an earthquake happens temporarily, the prefabricated partition wall can generate larger rigidity contribution to the main structure, the structure is easy to damage, and accordingly the integral structure is unfavorable for earthquake resistance. Therefore, a novel connecting node form between the prefabricated partition wall and the main body structure is explored, the connecting node can not only play a role in fixing the prefabricated concrete partition wall and the main body structure, but also reduce the rigidity contribution of the prefabricated concrete partition wall to the main body structure and reduce the shock hazard, and the prefabricated concrete partition wall can be beneficial to exerting the greater advantages of the prefabricated concrete partition wall, so that the development of the residential industrialization practice advocated in the current stage of China is promoted.
Disclosure of Invention
The invention aims to provide a connecting structure of a precast concrete partition wall and a main body structure.
Another technical problem to be solved by the invention is to provide a method for connecting a precast concrete partition wall with a main body structure.
For the connecting structure, the technical scheme adopted by the invention is that the connecting structure of the precast concrete partition wall and the main body structure comprises the main body structure, the partition wall, a first connecting piece, a second connecting piece, a connecting ring and a connecting seat;
the partition wall is provided with a partition wall connecting groove, a connecting column is further arranged in the middle of the partition wall connecting groove, and a first connecting piece is pre-buried at the bottom of the partition wall connecting groove;
the main body structure is also provided with a main body structure connecting groove, and the main body structure connecting groove is pre-embedded with a second connecting piece;
the connecting ring consists of two semicircular ring pieces; the two semicircular ring pieces are oppositely arranged to form a ring, and the diameter of the ring is slightly larger than that of the connecting column; the upper end of each semicircular ring is bent to form a connecting end with a bolt hole;
the two semicircular rings of the connecting ring are enclosed on the periphery of the connecting column, and flexible materials are filled between the connecting ring and the connecting column; the connecting end of the connecting ring is connected with the first connecting piece through a bolt, and the lower ends of two semicircular rings forming the connecting ring are connected through welding;
the connecting seat comprises two symmetrical members with semicircular gaps and long bolt holes, the two semicircular gaps of the connecting seat are enclosed on the periphery of the connecting ring, and the long bolt holes are formed in the second connecting piece through bolt connection.
Preferably, the first connecting piece comprises a transverse plate, a vertical plate and a hook rib; 4 hook ribs are symmetrically welded on the back of the transverse plate, a vertical plate is welded in the center of the front of the transverse plate, and long connecting holes for inserting bolts are formed in the vertical plate.
Preferably, the second connecting piece comprises a transverse plate, a vertical plate and a hook rib; 4 hook ribs are symmetrically welded on the back of the transverse plate, a vertical plate is welded in the center of the front of the transverse plate, and a connecting hole for inserting a long bolt is formed in the vertical plate.
For the connection method, the technical scheme adopted by the invention is that the connection method of the precast concrete partition wall and the main body structure comprises the following steps:
(1) Manufacturing a prefabricated concrete partition wall with the following structure in a factory: reserving a plurality of partition wall connecting grooves at the connecting edges of the partition walls, arranging connecting columns in the middle of the partition wall connecting grooves, embedding first connecting pieces at the bottoms of the partition wall connecting grooves in advance, and exposing connecting ends of the first connecting pieces in the partition wall connecting grooves;
(2) When the main body structure of the concrete is prefabricated, a plurality of openings of main body structure connecting grooves are reserved at corresponding connecting positions of the main body structure, a second connecting piece is embedded in advance at the bottom of the main body structure connecting grooves, and the connecting ends of the second connecting piece are exposed in the main body structure connecting grooves;
(3) Before the partition wall is hoisted, fully wrapping the connecting columns in the partition wall connecting grooves on the partition wall by using flexible rubber materials to a proper thickness;
(3) Abutting the connecting end of the first connecting piece pre-embedded in the partition wall with the connecting end of the connecting ring and connecting and fixing the connecting end with a short bolt;
(4) Vertically hoisting the precast concrete partition wall to a preset position;
(5) After hoisting, wrapping the connecting ring by two members with semicircular gaps forming the connecting seat, inserting the vertical plate of the second connecting piece into a gap between the two members of the connecting seat, and fixing the connecting seat by using a group of long bolts through the long bolt holes of the connecting seat and the long bolt holes on the vertical plate of the second connecting piece and nuts, so that the partition wall is connected with the main structure sequentially through the first connecting piece, the connecting ring, the connecting seat and the second connecting piece pre-buried in the connecting groove of the main structure;
(6) Filling a proper amount of sound insulation material into a partition wall connecting groove arranged on a partition wall so as to improve the integral sound insulation effect of the precast concrete partition wall;
(7) Finally, the two metal covers are respectively embedded into the openings of the partition wall connecting grooves from the two sides of the partition wall, so that gaps of the partition wall connecting grooves cannot be seen on the precast concrete partition wall, and the vertical face effect and the overall attractiveness of the precast concrete partition wall are improved.
Preferably, the connecting ring is formed by two semicircular ring pieces; the two semicircular ring pieces are oppositely arranged to form a ring, and the diameter of the ring is slightly larger than that of the connecting column; the upper end of each semicircular ring is bent to form a connecting end with a bolt hole.
Preferably, the connecting seat is composed of two symmetrical members with semicircular notches and long bolt holes, the two semicircular notches of the connecting seat are enclosed on the periphery of the connecting ring, and the second connecting piece with the long bolt holes is connected through bolts.
Preferably, the first connecting piece comprises a transverse plate, a vertical plate and a hook rib; 4 hook ribs are symmetrically welded on the back of the transverse plate, a vertical plate is welded in the center of the front of the transverse plate, and a long connecting hole for inserting a bolt is formed in the vertical plate.
It is further preferable that in the step (3), when the connection end of the first connector is abutted with the connection end of the connection ring, the elongated bolt holes of the first connector are aligned in a crisscross manner with the bolt holes on the connection end of the connection ring, and the connection and fixation are performed by nuts after the short bolts are inserted.
Preferably, the second connecting piece comprises a transverse plate, a vertical plate and a hook rib; 4 hook ribs are symmetrically welded on the back of the transverse plate, a vertical plate is welded in the center of the front of the transverse plate, and a connecting hole for inserting a long bolt is formed in the vertical plate.
The beneficial effects of the invention are as follows:
(1) The invention adopts the full dry type connection of welding and bolt connection by adopting the connecting nodes, does not drag mud with water, realizes the full assembly, the disassembly and the recombination, saves the construction period and reduces the cost.
(2) The prefabricated concrete partition wall and the combined body structure are ingenious in design, the rigid connection mode of the existing assembly type is changed into the hinged mode, meanwhile, the influence of the combined effect and the out-of-plane load combined effect on the structure on the plane is considered, under the earthquake effect, the nodes can deform in a plane in a translational mode, and also deform in an out-of-plane rotary mode, so that the rigidity contribution of the partition wall to a main body is fully reduced, the earthquake resistance of the structure is improved, and the damage caused by the earthquake is reduced.
(3) The connecting node IS convenient to use, facilitates the disassembly work of the partition wall, facilitates the replacement of the partition wall in the later period, truly realizes the assembly of components, accords with the current concept of 'century residence', and can assist the application of an IS system in China.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic view of a partition wall according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an edge structure of a partition wall and a main body structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of a connection portion between a partition wall and a main body structure according to an embodiment of the present invention.
FIG. 4 is an exploded view of a connection structure according to an embodiment of the present invention
Fig. 5 is a partial schematic view showing the connection of the partition wall to the main body structure according to the embodiment of the present invention.
Fig. 6 is a cross-sectional view A-A of fig. 5.
Fig. 7 is a front view of the connecting ring 6 according to an embodiment of the present invention.
Fig. 8 is a B-B cross-sectional view of fig. 7.
Fig. 9 is a front view of a connection socket according to an embodiment of the present invention.
Fig. 10 is a C-C cross-sectional view of fig. 9.
Fig. 11 is a front view of a first connector according to an embodiment of the present invention.
Fig. 12 is a D-D cross-sectional view of fig. 11.
Fig. 13 is a front view of a second connector according to an embodiment of the present invention.
Fig. 14 is an E-E cross-sectional view of fig. 13.
The marks in the figure: 1-main body structure, 1001-main body structure connecting groove, 1-partition wall, 101-partition wall connecting groove, 102-connecting column, 103-net piece, 2-first connecting piece, 201-hook rib, 202-transverse plate, 203-vertical plate, 3-short bolt, 4-metal cover, 5-flexible rubber material, 6-connecting ring, 7-connecting seat, 8-long bolt, 9-second connecting piece, 901-hook rib, 902-transverse plate, 903-vertical plate and 11-connecting girth weld.
Detailed Description
A connecting structure of a precast concrete partition wall and a main body structure is composed of a main body structure 10, a partition wall 1, a first connecting piece 2, a second connecting piece 9, a connecting ring 6 and a connecting seat 7.
In fig. 1, the partition wall 1 is prefabricated of concrete, and has 2 partition wall connection grooves 101 at both side edges connected to the main structure.
In fig. 2, the partition 1 is provided with an arc-shaped flange at the edge of the connection, and the main structure 10 is provided with an arc-shaped recess which is concave at the connection.
In fig. 3, the partition wall is further provided with a cylindrical connection post 102 in the middle of each partition wall connection groove, which is also prefabricated integrally with the partition wall with concrete. And a first connecting piece 2 is pre-buried at the bottom of the partition wall connecting groove. The body structure 10 is also provided with 2 body structure connection slots 1001 at the edges of the connection, in each of which a second connection piece 9 is pre-embedded.
In fig. 4, the connecting ring 6 is placed in the middle of the connecting seat 7, the vertical plate of the first connecting piece 2 is inserted into the connecting end of the connecting ring, and the vertical plate of the second connecting piece is inserted into the middle notch of the connecting seat.
In fig. 5 and 6, when the partition wall and the main structure are connected with each other, two semicircular rings of the connecting ring 6 are firstly enclosed on the periphery of the connecting column 102, flexible rubber materials are filled between the connecting ring and the connecting column, the connecting end of the connecting ring is connected with the connecting hole on the first connecting piece by adopting the short bolt 3, the lower end of the semicircular ring of the connecting ring is provided with a notch, and the connecting annular weld 11 is formed by welding connection after connection.
And then the connecting seat with symmetrical semicircular notches is clamped on the periphery of the connecting ring, the vertical plate of the second connecting piece is inserted into the middle of the connecting seat, the notch is penetrated into the long bolt hole on the connecting seat and the connecting hole on the vertical plate of the middle second connecting piece by adopting the long bolt 8 and is fixed by using the screw cap, and thus the connecting seat clamps the connecting ring with the connecting column in the middle of the two semicircular notches.
In fig. 7 and 8, the connecting ring 6 is formed by two semicircular rings, the upper ends of the two semicircular rings are bent and extended connecting ends with bolt holes, and notches are arranged at the lower ends of the two semicircular rings.
In fig. 9 and 10, the connection seat 7 is composed of two symmetrical members each having a semicircular notch with a long bolt hole, and the diameters of the two semicircular notches of the connection seat are equal to the diameter of the outer periphery of the connection ring.
And the long bolt hole is used for inserting the long bolt to be connected with the connecting hole of the second connecting piece.
The first connecting member 2 is constituted by a cross plate 202, a vertical plate 203, and a hooking rib 201. The transverse plate and the vertical plate form a T shape, 4 hooking ribs are symmetrically welded on the back surface of the transverse plate, a vertical plate is welded in the center of the front surface of the transverse plate, and an oval connecting hole for inserting a bolt is formed in the vertical plate (figures 11 and 12).
Mesh 103 made of steel bars is arranged in the partition wall, and when the first connecting piece is embedded, the hook rib 201 of the first connecting piece is hung with the mesh to increase the firmness of the embedded piece.
The second connector is substantially similar in construction to the first connector and is also comprised of 902 a cross plate, a riser 903 and a hooking strip 901. The transverse plate and the vertical plate also form a T shape, 4 hooking ribs are symmetrically welded on the back surface of the transverse plate, a vertical plate is welded in the center of the front surface of the transverse plate, and 2 connecting holes for inserting long bolts are formed in the vertical plate (fig. 13 and 14).
The net piece made of steel bars is arranged in the main structure, and when the second connecting piece is embedded, the hook ribs 901 of the second connecting piece are hung with the net piece, so that the firmness of the embedded piece is improved.
The partition wall and the main body structure are connected in a mode that a certain degree of freedom is reserved between the partition wall and the main body structure, so that deformation caused by vibration can be absorbed, and larger damage to the partition wall is avoided.
For shielding the opening of junction, still be equipped with metal casing 4 in the junction of first connecting piece and go-between's junction is embedded the opening of junction from partition wall 1 both sides respectively, its free deformation that adopts the embedded form can not influence whole node has guaranteed the interim shock attenuation effect of earthquake.
During construction, the prefabricated concrete partition wall is designed and produced in an assembled prefabricated factory in a standardized mode, and the connection mode of the prefabricated concrete partition wall and the non-connection node of the main body structure in the production process is an arc connection mode, so that later hoisting, installation and rotation deformation are facilitated.
The specific connection method of the partition wall and the main body structure is as follows:
(1) Manufacturing a prefabricated concrete partition wall with the following structure in a factory: reserving a plurality of (at least 2) partition wall connecting grooves at the connecting edges of the partition walls, arranging connecting columns in the middle of the partition wall connecting grooves, embedding first connecting pieces at the bottoms of the partition wall connecting grooves in advance, and exposing the connecting ends of the first connecting pieces in the partition wall connecting grooves;
(2) When the main body structure of the concrete is prefabricated, a plurality of openings of main body structure connecting grooves are correspondingly reserved at corresponding connecting positions of the main body structure, a second connecting piece is embedded in the bottom of the main body structure connecting groove in advance, and the connecting end of the second connecting piece is exposed in the main body structure connecting groove;
(3) Before the partition wall is hoisted, fully wrapping the connecting columns in the partition wall connecting grooves on the partition wall by using flexible rubber materials to a proper thickness;
(3) Abutting the connecting end of the first connecting piece pre-embedded in the partition wall with the connecting end of the connecting ring and connecting and fixing the connecting end with a short bolt;
(4) Vertically hoisting the precast concrete partition wall to a preset position;
(5) After hoisting, wrapping the connecting ring by two members with semicircular gaps forming the connecting seat, inserting the vertical plate of the second connecting piece into a gap between the two members of the connecting seat, and fixing the connecting seat by using a group of long bolts through the long bolt holes of the connecting seat and the long bolt holes on the vertical plate of the second connecting piece and nuts, so that the partition wall is connected with the main structure sequentially through the first connecting piece, the connecting ring, the connecting seat and the second connecting piece pre-buried in the connecting groove of the main structure;
(6) Filling a proper amount of sound insulation material into a partition wall connecting groove arranged on a partition wall so as to improve the integral sound insulation effect of the precast concrete partition wall;
(7) Finally, the two metal covers are respectively embedded into the openings of the partition wall connecting grooves from the two sides of the partition wall, so that gaps of the partition wall connecting grooves cannot be seen on the precast concrete partition wall, and the vertical face effect and the overall attractiveness of the precast concrete partition wall are improved.
The prefabricated concrete partition wall and the main structure are fixedly connected in a full-dry type in the whole connection process, so that on-site slotting is not needed, the construction period is saved, the on-site construction operation frequency is improved to a great extent, and the construction cost is reduced; the flexible connection mode ensures that the prefabricated concrete partition wall can be fully and freely deformed under the action of the stress inside and outside the node plane, and greatly reduces the rigidity contribution of the prefabricated concrete partition wall to the main structure, thereby improving the earthquake resistance of the whole structure.
The embodiments of the present invention described above do not limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention as set forth in the appended claims.
Claims (7)
1. The connecting structure of the precast concrete partition wall and the main body structure is characterized by comprising the main body structure, the partition wall, a first connecting piece, a second connecting piece, a connecting ring and a connecting seat;
the partition wall is provided with a partition wall connecting groove, a connecting column is further arranged in the middle of the partition wall connecting groove, and a first connecting piece is pre-buried at the bottom of the partition wall connecting groove;
the main body structure is also provided with a main body structure connecting groove, and a second connecting piece is pre-buried in the main body structure connecting groove;
the connecting ring consists of two semicircular ring pieces; the two semicircular ring pieces are oppositely arranged to form a ring, and the diameter of the ring is slightly larger than that of the connecting column; the upper end of each semicircular ring is bent to form a connecting end with a bolt hole;
the two semicircular rings of the connecting ring are enclosed on the periphery of the connecting column, and flexible materials are filled between the connecting ring and the connecting column; the connecting end of the connecting ring is connected with the first connecting piece through a bolt, and the lower ends of two semicircular rings forming the connecting ring are connected through welding;
the connecting seat consists of two symmetrical members which are respectively provided with a semicircular notch and are provided with a long bolt hole, the two semicircular notches of the connecting seat are enclosed on the periphery of the connecting ring, and the second connecting piece with the long bolt hole is connected through a bolt;
the first connecting piece comprises a transverse plate, a vertical plate and a hook rib; 4 hooking ribs are symmetrically welded on the back of the transverse plate, a vertical plate is welded in the center of the front of the transverse plate, and long connecting holes for inserting bolts are formed in the vertical plate;
the second connecting piece comprises a transverse plate, a vertical plate and a hook rib; 4 hook ribs are symmetrically welded on the back of the transverse plate, a vertical plate is welded in the center of the front face of the transverse plate, and a connecting hole for inserting a long bolt is formed in the vertical plate.
2. The connection method of the precast concrete partition wall and the main body structure comprises the following steps:
(1) Manufacturing a prefabricated concrete partition wall with the following structure in a factory: reserving a plurality of partition wall connecting grooves at the connecting edges of the partition walls, arranging connecting columns in the middle of the partition wall connecting grooves, embedding first connecting pieces at the bottoms of the partition wall connecting grooves in advance, and exposing connecting ends of the first connecting pieces in the partition wall connecting grooves;
(2) When the main body structure of the concrete is prefabricated, a plurality of openings of main body structure connecting grooves are reserved at corresponding connecting positions of the main body structure, a second connecting piece is embedded in advance at the bottom of the main body structure connecting grooves, and the connecting ends of the second connecting piece are exposed in the main body structure connecting grooves;
(3) Before the partition wall is hoisted, fully wrapping the connecting columns in the partition wall connecting grooves on the partition wall by using flexible rubber materials to a proper thickness;
(4) Abutting the connecting end of the first connecting piece pre-embedded in the partition wall with the connecting end of the connecting ring and connecting and fixing the connecting end with a short bolt;
(5) Vertically hoisting the precast concrete partition wall to a preset position;
(6) After hoisting, wrapping the connecting ring by two members with semicircular gaps forming the connecting seat, inserting the vertical plate of the second connecting piece into a gap between the two members of the connecting seat, and fixing the connecting seat by using a group of long bolts through the long bolt holes of the connecting seat and the long bolt holes on the vertical plate of the second connecting piece and nuts, so that the partition wall is connected with the main structure sequentially through the first connecting piece, the connecting ring, the connecting seat and the second connecting piece pre-buried in the connecting groove of the main structure;
(7) Filling a proper amount of sound insulation material into a partition wall connecting groove arranged on a partition wall so as to improve the integral sound insulation effect of the precast concrete partition wall;
(8) Finally, two metal covers are respectively embedded into the openings of the partition wall connecting grooves from two sides of the partition wall, so that gaps of the partition wall connecting grooves cannot be seen from the precast concrete partition wall.
3. The connection method according to claim 2, characterized in that the connection ring is composed of two semicircular ring pieces; the two semicircular ring pieces are oppositely arranged to form a ring, and the diameter of the ring is slightly larger than that of the connecting column; the upper end of each semicircular ring is bent to form a connecting end with a bolt hole.
4. The connection method according to claim 2, wherein the connection base is composed of two symmetrical members each having a semicircular notch and provided with a long bolt hole, the two semicircular notches of the connection base are enclosed on the outer periphery of the connection ring, and the long bolt hole second connection member is connected by bolts.
5. The method of connecting of claim 2, wherein the first connector comprises a cross plate, a riser, and a hooking bar; 4 hook ribs are symmetrically welded on the back of the transverse plate, a vertical plate is welded in the center of the front of the transverse plate, and a long connecting hole for inserting a bolt is formed in the vertical plate.
6. The connection method according to claim 5, wherein in the step (4), when the connection end of the first connection member is abutted with the connection end of the connection ring, the elongated bolt holes of the first connection member are aligned in a crisscross manner with the bolt holes on the connection end of the connection ring, and the connection is secured by nuts after the short bolts are inserted.
7. The method of connecting according to claim 2, wherein the second connector comprises a cross plate, a riser, and a hooking bar; 4 hook ribs are symmetrically welded on the back of the transverse plate, a vertical plate is welded in the center of the front face of the transverse plate, and a connecting hole for inserting a long bolt is formed in the vertical plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711067325.1A CN107663909B (en) | 2017-11-02 | 2017-11-02 | Connection structure and connection method for precast concrete partition wall and main body structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711067325.1A CN107663909B (en) | 2017-11-02 | 2017-11-02 | Connection structure and connection method for precast concrete partition wall and main body structure |
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| Publication Number | Publication Date |
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| CN107663909A CN107663909A (en) | 2018-02-06 |
| CN107663909B true CN107663909B (en) | 2023-08-18 |
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| CN109914606A (en) * | 2019-04-28 | 2019-06-21 | 安徽建筑大学 | A kind of point claw connector and its construction installation method for composite thermal-insulating wall |
| CN111502031B (en) * | 2020-04-29 | 2022-11-25 | 南宁学院 | Connecting structure of beam and wall |
| CN113216464B (en) * | 2021-06-21 | 2024-04-05 | 华北水利水电大学 | Flexible connection structure of AAC (advanced integrated circuit) board and main body structure and construction method of flexible connection structure |
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