CN113235795B - Rapid mounting and dismounting construction method for laminated slab - Google Patents
Rapid mounting and dismounting construction method for laminated slab Download PDFInfo
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- CN113235795B CN113235795B CN202110548646.3A CN202110548646A CN113235795B CN 113235795 B CN113235795 B CN 113235795B CN 202110548646 A CN202110548646 A CN 202110548646A CN 113235795 B CN113235795 B CN 113235795B
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- steel bar
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The application relates to the field of constructional engineering and discloses a quick assembling and disassembling construction method for a laminated slab, which comprises the following construction steps: s1, prefabricating a laminated slab: embedding reinforcing steel bars around the composite slab pouring template to form reinforcing steel bars I around the composite slab, and embedding the reinforcing steel bars on the top surface of the composite slab pouring template to form hanging pieces on the top surface of the composite slab; s2, prefabricating a building body matched with the laminated slab: the building body comprises a frame beam and a bearing column, a supporting concave table communicated with the top surface of the frame beam is preset on one circle of the inner wall of the frame beam, and a second reinforcing steel bar is pre-embedded on the side wall of the supporting concave table; s3, assembling the laminated plate: placing the laminated slab on the supporting concave table by using the hanging piece, and placing the first reinforcing steel bar in the supporting concave table; s4, pouring concrete: and pouring the supporting concave table to enable the laminated slab and the frame beam to be connected with each other. This application has the steadiness that improves the superimposed sheet installation to guarantee the effect of the wholeness of building.
Description
Technical Field
The application relates to the technical field of constructional engineering, in particular to a quick assembling and disassembling construction method for a laminated slab.
Background
The laminated slab is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers. The laminated slab is also called as a laminated floor slab, has good integrity, and the upper surface and the lower surface of the slab are smooth, thereby being convenient for finishing a finish coat and being suitable for high-rise buildings and large-bay buildings with higher requirement on the integral rigidity.
When the composite slab is installed, the composite slab is generally hoisted to a building beam, then the composite slab is fixed by bolts, the composite slab and the building beam are connected through a connector in the installation mode, the integrity is poor, and the integrity of a building is affected.
Disclosure of Invention
In order to improve the stability of superimposed sheet installation to guarantee the wholeness of building, this application provides a superimposed sheet's quick ann and tears construction method open.
The application provides a quick ann of superimposed sheet tears construction method open adopts following technical scheme:
a quick mounting and dismounting construction method for a laminated slab comprises the following construction steps: s1, prefabricating a laminated plate: embedding reinforcing steel bars around the composite slab pouring template to form reinforcing steel bars I around the composite slab, and embedding the reinforcing steel bars on the top surface of the composite slab pouring template to form hanging pieces on the top surface of the composite slab; s2, prefabricating a building body matched with the laminated slab: the building body comprises frame beams and bearing columns, wherein the frame beams are sequentially arranged from bottom to top, the bearing columns are connected between every two adjacent frame beams, a supporting concave table communicated with the top surface of each frame beam is preset on one circle of the inner wall of each frame beam, and a second reinforcing steel bar is pre-embedded in the side wall of each supporting concave table; s3, assembling the laminated plate: hoisting the laminated slab to the position above the frame beam by using the hanging piece, then placing the laminated slab on a supporting concave table, and placing a first reinforcing steel bar in the supporting concave table; s4, pouring concrete: and pouring the supporting concave table to enable the laminated slab and the frame beam to be connected with each other.
By adopting the technical scheme, the construction method comprises the specific steps of prefabricating the laminated slab, prefabricating a building body matched with the laminated slab, assembling the laminated slab and pouring concrete, wherein a hook on a hoisting machine is hung on a pendant of the laminated slab, the laminated slab can be hoisted and hoisted to the position above a supporting concave table of the building body, then the laminated slab is placed on the supporting concave table, a first reinforcing bar and a second reinforcing bar are mutually staggered, a gap between the side wall of the laminated slab and the side wall of the supporting concave table is poured, and after the pouring is finished, the laminated slab and the supporting concave table can be integrally formed, so that the mounting stability of the laminated slab can be improved, and the integrity of the building can be ensured.
Preferably, a vertical hole is preset in the bearing column, a transfer hole communicated with the vertical hole is preset at the corner of the supporting concave station, a connecting hole communicated with the transfer hole is arranged at the corner of the laminated slab, and a reinforcement cage is arranged in the connecting hole, the transfer hole and the vertical hole; and pouring concrete into the reinforcement cage.
Through adopting above-mentioned technical scheme, after with superimposed sheet hoist and mount to support concave station, arrange the steel reinforcement cage in connecting hole, switching hole and riser in, then pour the concrete again to can be so that have between superimposed sheet and the heel post and be connected, further improved superimposed sheet's steadiness, and make and formed a firm whole between superimposed sheet, frame roof beam and the heel post.
Preferably, a third reinforcing bar is embedded in the side wall of the vertical hole.
By adopting the technical scheme, after concrete is poured into the vertical hole, the connecting points between the inner wall of the vertical hole and the cement columns formed by the reinforcement cage can be increased by using the third reinforcing steel bar, and the integrity between the cement columns formed after pouring and a building can be improved.
Preferably, the pendant includes two bisymmetry respectively billet one, billet two, billet three and billet four, the billet one the billet two the billet three and the billet four is kept away from the one end interconnect of superimposed sheet and is located the middle part of four billets.
Through adopting above-mentioned technical scheme, utilize billet one, billet two, billet three and billet four can be so that have four tie points between pendant and the superimposed sheet, and then can improve the steadiness of pendant, and because be provided with many billets on the superimposed sheet, consequently behind the concreting on the superimposed sheet, can improve the tie point between concrete and the billet, further improved the wholeness.
Preferably, the pendant is provided with a plurality of and follows superimposed sheet length direction evenly distributed, and a plurality of the pendant is close to the edge of superimposed sheet length direction both sides, superimposed sheet edge be connected with the connecting rod between the pendant.
Through adopting above-mentioned technical scheme, utilize the connecting rod, can connect each pendant, and then can hinder the pendant to take place deformation to make the pendant can be used all the time.
Preferably, the bottom surface rigid coupling of support concave station has spacing montant, the side rigid coupling of superimposed sheet has the spacing ring, the spacing ring with spacing montant clearance fit.
Through adopting above-mentioned technical scheme, when with superimposed sheet hoist and mount to the support concave station on, locate spacing montant with spacing ring cover on the superimposed sheet, and then can utilize spacing montant to inject the mounted position of superimposed sheet to guarantee that the superimposed sheet is in preset the position.
Preferably, a rectangular shape is formed between the second reinforcing bar and the side wall of the supporting concave station.
Through adopting above-mentioned technical scheme, can increase the area of bar two in supporting the concave station, further improve the wholeness between supporting concave station and the superimposed sheet.
Preferably, the concrete raw materials in the step S4 include cement, water, fine powder of blast furnace slag, cement accelerator, defoamer and water reducer, and the raw materials are put into a concrete mixer together, and the input amount of the raw materials is (13-15): (22-28): (2-5): (0.01-0.02): (0.03-0.06): (0.1-0.2) and obtaining the concrete for later use.
By adopting the technical scheme, the concrete has reasonable proportion of the raw materials, and each chemical property of each raw material is stable, thereby further reducing the weight of a building.
In summary, the present application includes at least one of the following beneficial technical effects:
the construction method comprises the specific steps of prefabricating the laminated slab, prefabricating a building body matched with the laminated slab, assembling the laminated slab and pouring concrete, wherein a hanger on a hoisting machine is hung on a hanger of the laminated slab, so that the laminated slab can be hoisted and then hoisted to the position above a supporting concave table of the building body, then the laminated slab is placed on the supporting concave table, a first reinforcing steel bar and a second reinforcing steel bar are staggered with each other, a gap between the side wall of the laminated slab and the side wall of the supporting concave table is poured, and after the pouring is finished, the laminated slab and the supporting concave table can be integrally formed, so that the mounting stability of the laminated slab can be improved, and the integrity of the building can be guaranteed;
after the laminated slab is hoisted to the supporting concave table, the reinforcement cage is placed in the connecting hole, the switching hole and the vertical hole, and then concrete is poured, so that the laminated slab and the bearing column can be connected, the stability of the laminated slab is further improved, and a stable whole is formed among the laminated slab, the frame beam and the bearing column;
utilize billet one, billet two, billet three and billet four can be so that have four tie points between pendant and the superimposed sheet, and then can improve the steadiness of pendant, and because be provided with many billets on the superimposed sheet, consequently behind the concreting on the superimposed sheet, can improve the tie point between concrete and the billet, further improved the wholeness.
Drawings
FIG. 1 is a schematic flow chart of a construction method according to an embodiment of the present application.
FIG. 2 is a schematic view showing the overall structure of the building body according to the embodiment of the present application.
Fig. 3 is a principal view illustrating the overall construction of the laminated plate in fig. 2.
Fig. 4 is an exploded view of a portion of the structure of fig. 3, illustrating primarily the configuration of the support recess.
Fig. 5 is an enlarged schematic view of a portion a in fig. 3, mainly illustrating the configuration of the pendant.
Description of reference numerals: 100. a laminated slab; 101. a first reinforcing steel bar; 102. hanging parts; 1021. a first steel bar; 1022. a second steel bar; 1023. a third steel bar; 1024. fourthly, steel bars are obtained; 1025. a connecting rod; 200. a building body; 103. connecting holes; 104. a limiting ring; 21. a frame beam; 201. a second reinforcing bar; 211. supporting the concave platform; 2111. switching the hole; 2112. a limiting vertical rod; 22. a load-bearing column; 221. vertical holes; 2211. a third reinforcing bar; 3. and (4) a reinforcement cage.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a quick mounting and dismounting construction method for a laminated slab. Referring to fig. 1, the quick mounting and dismounting construction method comprises the following construction steps: s1, prefabricating the laminated slab 100 and S2, prefabricating a building body 200 matched with the laminated slab 100, S3, assembling the laminated slab 100 and S4, and pouring concrete.
And S1, prefabricating the laminated slab 100.
Referring to fig. 2, 3 and 4, the composite slab 100 is formed by pouring concrete into a composite slab pouring form, reinforcing bars may be pre-embedded in the composite slab pouring form, after the form is removed, a plurality of first reinforcing bars 101 are formed around the composite slab 100, the first reinforcing bars 101 are perpendicular to the side wall of the composite slab 100, and the plurality of first reinforcing bars 101 are uniformly distributed along the length direction of the side wall of the composite slab 100.
In addition, steel bars are embedded in the top surface of the composite slab pouring formwork, so that a hanging part 102 is formed on the top surface of the composite slab 100, the hanging part 102 comprises a first steel bar 1021, a second steel bar 1022, a third steel bar 1023 and a fourth steel bar 1024, a connecting line between the positions where the first steel bar 1021, the second steel bar 1022, the third steel bar 1023 and the fourth steel bar 1024 are fixedly connected to the top surface of the composite slab 100 is formed into a rectangle, one ends of the first steel bar 1021, the second steel bar 1022, the third steel bar 1023 and the fourth steel bar 1024, which are far away from the composite slab 100, are welded to each other and are located above the middle part of the rectangle, the hanging part 102 is provided with a plurality of hanging parts, the hanging parts 102 are uniformly distributed along the length direction of the composite slab 100, the hanging parts 102 are close to the edge of the composite slab 100, a connecting rod 1025 is connected between two adjacent hanging parts 102, the connecting rod 1025 is fixedly connected to the connecting part between the first steel bar 1021, the second steel bar 1022, the third steel bar 1023 and the fourth steel bar 1024, as a plurality of steel bars are provided on the composite slab 100, therefore, after the concrete is poured on the laminated plate 100, the connection point between the concrete and the steel bar can be increased, and the integrity can be further improved.
And S2, prefabricating the building body 200 matched with the laminated slab 100.
Referring to fig. 2, the building 200 includes a plurality of load-bearing columns 22 and frame beams 21, the frame beams 21 are arranged in sequence from bottom to top, the frame beams 21 are parallel to each other, the load-bearing columns 22 are fixedly connected between two adjacent frame beams 21, and four edge positions are arranged between two adjacent frame beams 21 and located at the frame beams 21 respectively.
A supporting concave platform 211 communicated with the top surface of the frame beam 21 is formed on the periphery of the inner wall of the frame beam 21, a second reinforcing steel bar 201 is embedded in the side wall of the supporting concave platform 211, the section of the second reinforcing steel bar 201 is U-shaped, and two ends of the second reinforcing steel bar 201 are positioned in the side wall of the supporting concave platform 211.
S3, the laminated board 100 is assembled.
Referring to fig. 3, the lifting machine can hang a hook on the hanging member 102, lift the laminated slab 100 above the frame beam 21 by using the hanging member 102, and place the laminated slab 100 on the supporting recessed table 211, such that the first steel bar 101 is placed in the supporting recessed table 211, and the first steel bar 101 is inserted between two adjacent steel bars 201.
And S4, pouring concrete.
Referring to fig. 3, the supporting recess land 211 is cast such that the composite slab 100 and the frame beam 21 are connected to each other; in addition, the concrete raw materials comprise cement, water, blast furnace granulated slag micro powder, a cement accelerator, a defoaming agent and a water reducing agent, and the raw materials are put into a concrete stirrer together, wherein the weight parts of the input amount of each raw material are (13-15): (22-28): (2-5): (0.01-0.02): (0.03-0.06): (0.1-0.2), namely obtaining concrete for later use, wherein in the concrete implementation, the weight parts of the input quantities of cement, water, the blast furnace granulated slag micro powder, the cement accelerator, the defoamer and the water reducer are 14: 23: 3.5: 0.015: 0.055: 0.15.
referring to fig. 4, a vertical hole 221 is formed in the bearing column 22 during prefabrication, the length of the vertical hole 221 is smaller than the height of the bearing column 22, the vertical hole 221 is close to the inner wall of the frame beam 21, a reinforcing bar three 2211 is embedded in the vertical hole 221, the reinforcing bar three 2211 is perpendicular to the wall of the vertical hole 221, and the reinforcing bar three 2211 is provided with a plurality of bars and is uniformly distributed along the length direction of the vertical hole 221; a through hole 2111 is formed at the corner of the support concave 211 in the framed girder 21, the through hole 2111 communicates with the vertical hole 221, and the axis of the through hole 2111 is collinear with the axis of the vertical hole 221; the corner of the laminated slab 100 is formed with the coupling hole 103 when it is prefabricated, and the axis of the coupling hole 103 is collinear with the axis of the vertical hole 221 when the laminated slab 100 is placed on the supporting recess 211. The reinforcement cages 3 are arranged in the connecting holes 103, the adapting holes 2111 and the vertical holes 221, the reinforcement cages 3 are placed in the vertical holes 221 before the step S4, and finally concrete is poured. Thereby, the connection between the composite slab 100 and the load-bearing column 22 is provided, the stability of the composite slab 100 is further improved, and a stable whole body is formed among the composite slab 100, the frame beam 21 and the load-bearing column 22.
Referring to fig. 4, a limiting vertical rod 2112 is embedded in the bottom surface of the supporting concave platform 211, and the limiting vertical rod 2112 is perpendicular to the bottom surface of the supporting concave platform 211; limiting rings 104 are embedded in the side edges of the laminated slab 100, and a plurality of limiting rings 104 are arranged on the four edges of the laminated slab 100 respectively. When the superimposed sheet 100 is hoisted to the supporting concave table 211, the limiting ring 104 on the superimposed sheet 100 is sleeved on the limiting vertical rod 2112, so that the mounting position of the superimposed sheet 100 can be limited by the limiting vertical rod 2112, and the superimposed sheet 100 is ensured to be in the preset position.
The implementation principle of the quick mounting and dismounting construction method of the laminated slab in the embodiment of the application is as follows: the construction method comprises the specific steps of prefabricating the laminated slab 100, prefabricating a building body 200 matched with the laminated slab 100, assembling the laminated slab 100 and pouring concrete, wherein a hook on a hoisting machine is hung on a hanging piece 102 of the laminated slab 100, the laminated slab 100 can be hoisted and then hoisted to the position above a supporting concave table 211 of the building body 200, then the laminated slab is placed on the supporting concave table 211, a first reinforcing bar 101 and a second reinforcing bar 201 are mutually staggered, gaps between the side wall of the laminated slab 100 and the side wall of the supporting concave table 211 are poured, and after the pouring is finished, the laminated slab 100 and the supporting concave table 211 can be integrally formed, so that the mounting stability of the laminated slab 100 can be improved, and the integrity of the building can be ensured.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A quick mounting and dismounting construction method of a laminated slab is characterized by comprising the following construction steps:
s1, prefabricated laminate (100): embedding reinforcing steel bars around the composite slab pouring template to form reinforcing steel bars I (101) around the composite slab (100), and embedding reinforcing steel bars on the top surface of the composite slab pouring template to form hanging pieces (102) on the top surface of the composite slab (100);
s2, prefabricating a building body (200) matched with the laminated slab (100): the building body (200) comprises frame beams (21) which are sequentially arranged from bottom to top and bearing columns (22) connected between two adjacent frame beams (21), a supporting concave table (211) communicated with the top surface of each frame beam (21) is preset on one circle of the inner wall of each frame beam (21), and a second reinforcing steel bar (201) is pre-embedded in the side wall of each supporting concave table (211);
s3, assembling the laminated plate (100): hoisting the laminated slab (100) above a frame beam (21) by using the hanging piece (102), then placing the laminated slab (100) on a supporting concave station (211), and placing a first reinforcing steel bar (101) in the supporting concave station (211);
s4, pouring concrete: pouring the supporting concave stations (211) to enable the laminated slab (100) and the frame beam (21) to be connected with each other;
the pendant (102) comprises a first steel bar (1021), a second steel bar (1022), a third steel bar (1023) and a fourth steel bar (1024), which are symmetrically distributed in pairs;
the connecting lines of the positions, fixedly connected to the top surface of the laminated slab (100), of the first steel bar (1021), the second steel bar (1022), the third steel bar (1023) and the fourth steel bar (1024) are formed into rectangles, and one ends, far away from the laminated slab (100), of the first steel bar (1021), the second steel bar (1022), the third steel bar (1023) and the fourth steel bar (1024) are welded with each other and located above the middle of the rectangles;
a connecting rod (1025) is connected between the hanging pieces (102) at the edge of the laminated plate (100);
the connecting rod (1025) is fixedly connected to the connecting position of the steel bar I (1021), the steel bar II (1022), the steel bar III (1023) and the steel bar IV (1024);
the bottom surface rigid coupling of support concave station (211) has spacing montant (2112), the side rigid coupling of superimposed sheet (100) has spacing ring (104), spacing ring (104) with spacing montant (2112) clearance fit.
2. The quick assembling and disassembling construction method of a composite slab according to claim 1, characterized in that: a vertical hole (221) is preset in the bearing column (22), a transfer hole (2111) communicated with the vertical hole (221) is preset at the corner of the supporting concave station (211), a connecting hole (103) communicated with the transfer hole (2111) is formed at the corner of the laminated slab (100), and a steel reinforcement cage (3) is arranged in the connecting hole (103), the transfer hole (2111) and the vertical hole (221); and pouring concrete into the reinforcement cage (3).
3. The quick assembling and disassembling construction method of a composite slab according to claim 2, characterized in that: and a third reinforcing steel bar (2211) is embedded in the side wall of the vertical hole (221).
4. The quick assembling and disassembling construction method of a composite slab according to claim 1, characterized in that: the first steel bar (1021), the second steel bar (1022), the third steel bar (1023) and the fourth steel bar (1024) are connected with each other at the ends far away from the laminated plate (100) and are located in the middle of the four steel bars.
5. The quick assembling and disassembling construction method of a composite slab as claimed in claim 4, wherein: the hanging pieces (102) are arranged and evenly distributed along the length direction of the laminated slab (100), the hanging pieces (102) are close to the edges of two sides of the length direction of the laminated slab (100), and connecting rods (1025) are connected between the hanging pieces (102) at the edges of the laminated slab (100).
6. The quick assembling and disassembling construction method of a composite slab according to claim 1, characterized in that: and a rectangular shape is formed between the second reinforcing steel bar (201) and the side wall of the supporting concave table (211).
7. The quick assembling and disassembling construction method of a composite slab according to claim 1, characterized in that: the concrete raw materials in the step S4 comprise cement, water, blast furnace granulated slag micro powder, a cement accelerator, a defoaming agent and a water reducing agent, and the raw materials are put into a concrete stirrer together, wherein the weight parts of the input amount of each raw material are (13-15): (22-28): (2-5): (0.01-0.02): (0.03-0.06): (0.1-0.2) and obtaining the concrete for later use.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110548646.3A CN113235795B (en) | 2021-05-20 | 2021-05-20 | Rapid mounting and dismounting construction method for laminated slab |
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| CN202110548646.3A CN113235795B (en) | 2021-05-20 | 2021-05-20 | Rapid mounting and dismounting construction method for laminated slab |
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| CN113235795B true CN113235795B (en) | 2022-09-27 |
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| CN208152242U (en) * | 2018-02-12 | 2018-11-27 | 刘振华 | Prefabrication frame and frame-shear structure |
| CN211499378U (en) * | 2019-11-14 | 2020-09-15 | 成都市建筑设计研究院 | Closely piece together two-way rib superimposed sheet node structure that does not go out |
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