CN113309232A - Construction method of flexible connection structure of prefabricated part and building main body - Google Patents
Construction method of flexible connection structure of prefabricated part and building main body Download PDFInfo
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- CN113309232A CN113309232A CN202110653453.4A CN202110653453A CN113309232A CN 113309232 A CN113309232 A CN 113309232A CN 202110653453 A CN202110653453 A CN 202110653453A CN 113309232 A CN113309232 A CN 113309232A
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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
- E04B1/383—Connection of concrete parts using adhesive materials, e.g. mortar or glue
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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
- E04B1/62—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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- 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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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a construction method of a flexible connection structure of a prefabricated part and a building main body, and belongs to the technical field of assembly type building construction. The flexible connecting structure of the prefabricated part and the building main body comprises a building main body, the prefabricated part is arranged on the building main body, a flexible layer is arranged between the prefabricated part and the building main body, and the prefabricated part and the building main body are connected through a vertical flexible connecting piece and a horizontal flexible connecting piece; the construction method comprises the following steps: firstly, manufacturing prefabricated parts in a factory; step two, pouring the building main body in situ; step three, arranging a flexible layer; hoisting the prefabricated part in place; and step five, installing and fixing the prefabricated part. The invention has simple structure, stable and firm connection and strong shock resistance, can improve the convenience and efficiency of installation, solves the problems of complicated construction and unstable connection of the connection structure between the prefabricated part and the building main body, and is convenient for popularization and use.
Description
Technical Field
The invention belongs to the technical field of assembly type building construction, and particularly relates to a construction method of a flexible connection structure of a prefabricated part and a building main body.
Background
The prefabricated components have the characteristics of standardized design, industrialized production, assembled construction, energy conservation, consumption reduction, environmental protection, construction period shortening, quality improvement and the like, and can promote the integration of informatization and industrialization depth, so that the assembled building is developed and applied vigorously. At present, industrialized prefabricated components in China mainly comprise standardized, serialized, socialized and industrially produced components of walls, floors, stairs and the like, wherein prefabricated wallboards are mainly used. One of the main difficulties of the current industrialized structure construction is also in the installation mode of the prefabricated wall panel. The main problem is how to effectively connect the prefabricated wall panel with the main structure so as to be cooperatively deformed with the main structure, and the problem also relates to the coordinated stress requirement of the structure for resisting earthquake.
In the industrialized test point construction project developed in China, the prefabricated wall panel is connected with the main body structure generally in a mode of arranging cast-in-place nodes. For example, the prefabricated wall panel and the main structure are integrated through complex reinforcement node binding and concrete pouring and tamping; or the prefabricated wall board is connected with the main structure by adopting a prefabricated connecting piece. The methods are complex and difficult to operate, and particularly, in the binding of node steel bars, the method relates to the mutual staggered winding of main bars in three directions of an upper wall plate, a lower wall plate and a horizontal structure and stirrups in various forms, so that the construction is very difficult, and the quality is not easy to ensure. In addition, the method increases the workload of wet operation, and compared with a cast-in-place structure, the construction of the template, the bent frame and the concrete does not occupy a small number, is labor-consuming and time-consuming, and cannot embody the advantages of green, environment-friendly and quick effect of industrial construction.
Disclosure of Invention
The invention aims to provide a construction method of a flexible connection structure of a prefabricated part and a building main body, which aims to solve the problems in the background technology.
The technical scheme adopted by the invention is as follows:
the construction method of the flexible connection structure of the prefabricated part and the building main body comprises the building main body 1, the prefabricated part 2 and a flexible layer 3 arranged between the prefabricated part 2 and the building main body 1, wherein the prefabricated part 2 is connected with the building main body 1 through a vertical flexible connecting piece 4 and a horizontal flexible connecting piece 5, the vertical flexible connecting piece 4 comprises a supporting embedded part and a positioning embedded part, and the construction method comprises the following steps:
step one, manufacturing prefabricated parts 2 in factory
A groove is formed in the middle of the lower end of the prefabricated part 2 along the length direction of the prefabricated part, positioning embedded parts of the vertical flexible connecting parts 4 are embedded in two sides of the groove, a plurality of sleeves 6 are embedded in the prefabricated part 2, outlets at the lower ends of the sleeves 6 are located in the groove at the lower end of the prefabricated part, and outlets at the upper ends of the sleeves 6 are located on the side wall of the prefabricated part;
step two, pouring the building main body 1 in situ
A boss matched with a groove at the lower end of the prefabricated part 2 is arranged at the top of the building main body 1, a plurality of dowel bars 7 corresponding to the sleeve 6 are embedded in the middle of the boss, and supporting embedded parts corresponding to the positioning embedded parts are embedded in two side walls of the boss;
step three, arranging a flexible layer 3
After the building main body 1 is poured, molded and maintained, demolding is carried out, and before the prefabricated part 2 is installed, the flexible layer 3 is laid on a boss at the top of the building main body 1;
step four, hoisting in-place prefabricated part 2
Conveying and hoisting the prefabricated part 2 to be in place, correspondingly inserting a boss at the top of the building main body 1 into a groove at the lower end of the prefabricated part 2 in a socket manner, correspondingly inserting a dowel bar 7 on the building main body 1 into a lower port of a sleeve 6 on the prefabricated part 2, correspondingly connecting a supporting embedded part and a positioning embedded part of a vertical flexible connecting piece 4, and connecting a horizontal flexible connecting piece 5 between the building main body 1 and the prefabricated part 2 through a bolt;
step five, mounting and fixing the prefabricated part 2
After the position of the prefabricated part 2 is finely adjusted, the sleeve 6 of the prefabricated part 2 is filled with slurry.
The groove at the lower end of the prefabricated part 2 and the boss at the top of the building main body 1 are in a shape like a Chinese character 'ji', the positioning embedded parts of the vertical flexible connecting parts 4 are arranged on two inclined side walls of the groove in the shape like the Chinese character 'ji', and the supporting embedded parts of the vertical flexible connecting parts 4 are arranged on two inclined side walls of the boss in the shape like the Chinese character 'ji'.
The top of the positioning embedded part of the vertical flexible connecting part 4 is provided with a sliding groove, the supporting embedded part of the vertical flexible connecting part 4 is provided with a thread groove, the thread groove is internally connected with an adjusting bolt, and the adjusting bolt is propped against the sliding groove.
Horizontal flexible connector 5 includes the built-in fitting of "L" shape, "L" shape connecting steel plate, sliding part and nut, hafen groove and supporting nut, the built-in fitting is pre-buried on 2 lower extreme lateral walls of prefabricated component, and sets up the external screw thread on the end that the built-in fitting stretches out the prefabricated component, slope on the connecting steel plate and set up rectangular shape hole, the screw thread end of built-in fitting is located the rectangular shape of connecting steel plate downthehole to it is fixed through sliding part and nut, hafen groove and supporting nut are pre-buried at 1 top of building main part, and hafen groove passes through the bolt and is connected with the connecting steel plate.
The prefabricated part 2 is a prefabricated concrete wallboard.
The building main body 1 is a cast-in-place reinforced concrete foundation.
The flexible layer 3 is an asbestos fiber layer.
The thickness of the flexible layer 3 is 30-40 mm.
In conclusion, the beneficial effects of the invention are as follows:
1. the vertical flexible connecting piece can enable the prefabricated part to realize height controllable adjustment in the vertical direction, and the horizontal flexible connecting piece can enable the prefabricated part to realize horizontal plane adjustment and controllable sliding adjustment, so that the installation is convenient, and the anti-seismic performance of the structure is improved;
2. according to the invention, the inverted-V-shaped groove arranged at the lower end of the prefabricated part and the inverted-V-shaped bulge arranged at the top of the building main body facilitate buffering and positioning during installation, and meanwhile, the vertical flexible connecting piece is conveniently arranged, so that the installation convenience and the installation efficiency of the prefabricated part are improved;
3. the grouting sleeve and the dowel steel arranged in the invention increase the strength and stability of the flexible connection structure, so that the quality of the flexible connection structure is ensured;
4. the flexibly connected wall plate has no influence on the rigidity of the main structure. When the wallboard is subjected to wind load, dead weight, temperature stress and other stresses, the flexible connecting force between the wallboard and the main structure can ensure the integral stability of the wallboard and the main structure, and the connecting piece has free deformation absorption capacity on the limit temperature deformation of the wallboard; when earthquake or received great external force impact, through wallboard and major structure's flexonics, realize the controllable slippage of side fascia and twist reverse, guarantee that the side fascia can adapt to major structure's the displacement angle between the biggest layer when the earthquake. Part of external force is released, so that the torque and the inertia force borne by the main body structure are reduced, and the main body structure is protected.
In conclusion, the invention has simple structure, stable and firm connection and strong shock resistance, can improve the convenience and efficiency of installation and is convenient for popularization and use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic structural view of the vertical flexible connector of the present invention.
FIG. 4 is a schematic view of the structure of the horizontal flexible connector of the present invention.
The labels in the figure are: a building body 1; a prefabricated part 2; a flexible layer 3; a vertical flexible connecting piece 4; a horizontal flexible connecting member 5; a sleeve 6; and (7) inserting ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments and accompanying drawings further illustrate the present invention in detail.
Example 1
The construction method of the flexible connection structure of the prefabricated part and the building main body is shown in figures 1 to 4, the flexible connection structure of the prefabricated part and the building main body comprises a building main body 1, a prefabricated part 2 and a flexible layer 3 arranged between the prefabricated part 2 and the building main body 1, the prefabricated part 2 and the building main body 1 are connected through a vertical flexible connecting piece 4 and a horizontal flexible connecting piece 5, the vertical flexible connecting piece 4 comprises a supporting embedded part and a positioning embedded part, a sliding groove is arranged at the top of the positioning embedded part, a threaded groove is formed in the supporting embedded part, an adjusting bolt is connected to the thread in the threaded groove, and the adjusting bolt abuts against the sliding groove;
the construction method comprises the following steps:
step one, manufacturing prefabricated parts 2 in factory
Manufacturing a prefabricated part 2, arranging a groove in a shape like a Chinese character 'ji' in the middle of the lower end of the prefabricated part 2 along the length direction of the prefabricated part, embedding positioning embedded parts of vertical flexible connecting pieces 4 at two inclined side walls of the groove, embedding a plurality of sleeves 6 in the prefabricated part 2, wherein outlets at the lower ends of the sleeves 6 are positioned in the groove at the lower end of the prefabricated part, and outlets at the upper ends of the sleeves 6 are positioned on the side walls of the prefabricated part; the inner diameter of the sleeve 6 is 100 mm;
step two, pouring the building main body 1 in situ
The method comprises the following steps of pouring a building main body 1 on site, arranging a reversed V-shaped boss matched with a groove at the lower end of a prefabricated part 2 on the top of the building main body 1, embedding a plurality of dowel bars 7 corresponding to sleeves 6 in the middle of the boss, and embedding supporting embedded parts corresponding to positioning embedded parts on two inclined side walls of the boss; the diameter of the dowel bar 7 is 40mm, and an external thread is arranged on the dowel bar 7;
step three, arranging a flexible layer 3
After the building main body 1 is poured, molded and maintained, demolding is carried out, and before the prefabricated part 2 is installed, the flexible layer 3 is laid on a boss at the top of the building main body 1;
step four, hoisting in-place prefabricated part 2
Conveying and hoisting the prefabricated part 2 to be in place, correspondingly inserting a boss at the top of the building main body 1 into a groove at the lower end of the prefabricated part 2 in a socket manner, correspondingly inserting a dowel bar 7 on the building main body 1 into a lower port of a sleeve 6 on the prefabricated part 2, correspondingly connecting a supporting embedded part and a positioning embedded part of a vertical flexible connecting piece 4, and connecting a horizontal flexible connecting piece 5 between the building main body 1 and the prefabricated part 2 through a bolt;
step five, mounting and fixing the prefabricated part 2
After the position of the prefabricated part 2 is finely adjusted, the sleeve 6 of the prefabricated part 2 is filled with slurry.
Example 2
On the basis of embodiment 1, horizontal flexonics spare 5 includes the built-in fitting of "L" shape, "L" shape connecting steel plate, sliding part and nut, hafen groove and supporting nut, the built-in fitting diameter is 24mm, the built-in fitting is pre-buried on 2 lower extreme lateral walls of prefabricated component, and sets up the external screw thread on the end that the built-in fitting stretches out the prefabricated component, slopes to set up rectangular shape hole on the connecting steel plate, and the threaded end of built-in fitting is located rectangular shape downthehole to it is fixed through sliding part and nut, hafen groove and supporting nut are pre-buried at building main part 1 top, and hafen groove passes through the bolt and is connected with the connecting steel plate.
Example 3
On the basis of the embodiment 1, the prefabricated part 2 is a prefabricated concrete wall panel. The building main body 1 is a cast-in-place reinforced concrete foundation.
Example 4
On the basis of example 1, the flexible layer 3 is an asbestos fiber layer, and the thickness of the flexible layer 3 is 30 mm.
Example 5
This embodiment differs from embodiment 4 in that the thickness of the flexible layer 3 is 35 mm.
Example 6
This embodiment differs from embodiment 4 in that the thickness of the flexible layer 3 is 40 mm.
The flexibly connected wall plate has no influence on the rigidity of the main structure. When the wallboard is subjected to wind load, dead weight, temperature stress and other stresses, the flexible connecting force between the wallboard and the main structure can ensure the integral stability of the wallboard and the main structure, and the connecting piece has free deformation absorption capacity on the limit temperature deformation of the wallboard; when earthquake or received great external force impact, through wallboard and major structure's flexonics, realize the controllable slippage of side fascia and twist reverse, guarantee that the side fascia can adapt to major structure's the displacement angle between the biggest layer when the earthquake. Part of external force is released, so that the torque and the inertia force borne by the main body structure are reduced, and the main body structure is protected.
The above description is only exemplary of the invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the invention should be included in the protection scope of the invention.
Claims (8)
1. The construction method of the flexible connection structure of the prefabricated part and the building main body is characterized by comprising the building main body (1), the prefabricated part (2) and a flexible layer (3) arranged between the prefabricated part (2) and the building main body (1), wherein the prefabricated part (2) is connected with the building main body (1) through a vertical flexible connecting piece (4) and a horizontal flexible connecting piece (5), the vertical flexible connecting piece (4) comprises a supporting embedded part and a positioning embedded part, and the construction method comprises the following steps:
step one, factory-made prefabricated part (2)
A groove is formed in the middle of the lower end of the prefabricated part (2) along the length direction of the prefabricated part, positioning embedded parts of the vertical flexible connecting parts (4) are embedded in the two sides of the groove, a plurality of sleeves (6) are embedded in the prefabricated part (2), outlets at the lower ends of the sleeves (6) are located in the groove at the lower end of the prefabricated part, and outlets at the upper ends of the sleeves (6) are located on the side wall of the prefabricated part;
step two, cast-in-place building main body (1)
A boss matched with a groove at the lower end of the prefabricated part (2) is arranged at the top of the building main body (1), a plurality of dowel bars (7) corresponding to the sleeve (6) are embedded in the middle of the boss, and supporting embedded parts corresponding to the positioning embedded parts are embedded in two side walls of the boss;
step three, setting a flexible layer (3)
After the building main body (1) is poured, molded and maintained, demolding is carried out, and before the prefabricated part (2) is installed, a flexible layer (3) is laid on a boss at the top of the building main body (1);
step four, hoisting in place prefabricated part (2)
Conveying and hoisting the prefabricated part (2) to be in place, correspondingly inserting a boss at the top of the building main body (1) into a groove at the lower end of the prefabricated part (2), correspondingly inserting a dowel (7) on the building main body (1) into a lower port of a sleeve (6) on the prefabricated part (2), correspondingly connecting a supporting embedded part and a positioning embedded part of a vertical flexible connecting piece (4), and connecting a horizontal flexible connecting piece (5) between the building main body (1) and the prefabricated part (2) through a bolt;
step five, mounting fixed prefabricated parts (2)
And (3) after the position of the prefabricated part (2) is finely adjusted, grouting is carried out in a sleeve (6) of the prefabricated part (2) so as to fill the sleeve (6).
2. The construction method of the flexible connection structure of the prefabricated member and the building body according to claim 1, wherein: the groove at the lower end of the prefabricated part (2) and the boss at the top of the building main body (1) are in a shape like a Chinese character 'ji', the positioning embedded parts of the vertical flexible connecting parts (4) are arranged on two inclined side walls of the groove in the shape like the Chinese character 'ji', and the supporting embedded parts of the vertical flexible connecting parts (4) are arranged on two inclined side walls of the boss in the shape like the Chinese character 'ji'.
3. The construction method of the flexible connection structure of the prefabricated member and the building body according to claim 1, wherein: the top of a positioning embedded part of the vertical flexible connecting part (4) is provided with a sliding groove, a supporting embedded part of the vertical flexible connecting part (4) is provided with a thread groove, an adjusting bolt is connected with the thread groove in an internal thread manner, and the adjusting bolt abuts against the sliding groove.
4. The construction method of the flexible connection structure of the prefabricated member and the building body according to claim 1, wherein: horizontal flexible connecting piece (5) include the built-in fitting of "L" shape, "L" shape connecting steel plate, sliding part and nut, hafen groove and supporting nut, the built-in fitting is pre-buried on prefabricated component (2) lower extreme lateral wall, and sets up the external screw thread on the end that the built-in fitting stretches out the prefabricated component, slope on the connecting steel plate and set up rectangular shape hole, the threaded end of built-in fitting is located the rectangular shape downthehole of connecting steel plate to it is fixed through sliding part and nut, hafen groove and supporting nut are pre-buried at building main part (1) top, and hafen groove passes through the bolt and is connected with the connecting steel plate.
5. The construction method of the flexible connection structure of the prefabricated member and the building body according to claim 1, wherein: the prefabricated part (2) is a prefabricated concrete wallboard.
6. The construction method of the flexible connection structure of the prefabricated member and the building body according to claim 1, wherein: the building main body (1) is a cast-in-place reinforced concrete foundation.
7. The construction method of the flexible connection structure of the prefabricated member and the building body according to claim 1, wherein: the flexible layer (3) is an asbestos fiber layer.
8. The construction method of the flexible connection structure of the prefabricated member and the building body according to claim 1, wherein: the thickness of the flexible layer (3) is 30-40 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110653453.4A CN113309232A (en) | 2021-06-11 | 2021-06-11 | Construction method of flexible connection structure of prefabricated part and building main body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110653453.4A CN113309232A (en) | 2021-06-11 | 2021-06-11 | Construction method of flexible connection structure of prefabricated part and building main body |
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| Publication Number | Publication Date |
|---|---|
| CN113309232A true CN113309232A (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110653453.4A Withdrawn CN113309232A (en) | 2021-06-11 | 2021-06-11 | Construction method of flexible connection structure of prefabricated part and building main body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517551A (en) * | 2022-04-20 | 2022-05-20 | 中冶建筑研究总院有限公司 | Full precast concrete floor connected node |
-
2021
- 2021-06-11 CN CN202110653453.4A patent/CN113309232A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517551A (en) * | 2022-04-20 | 2022-05-20 | 中冶建筑研究总院有限公司 | Full precast concrete floor connected node |
| CN114517551B (en) * | 2022-04-20 | 2022-07-12 | 中冶建筑研究总院有限公司 | Full precast concrete floor connected node |
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Application publication date: 20210827 |