CN104652673A - Assembled integrated type prefabricated concrete floor slab and connection method thereof - Google Patents
Assembled integrated type prefabricated concrete floor slab and connection method thereof Download PDFInfo
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- CN104652673A CN104652673A CN201510073350.5A CN201510073350A CN104652673A CN 104652673 A CN104652673 A CN 104652673A CN 201510073350 A CN201510073350 A CN 201510073350A CN 104652673 A CN104652673 A CN 104652673A
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Abstract
The invention relates to an assembled integrated type prefabricated concrete floor slab and a connection method thereof, and belongs to the field of buildings. A prefabricated concrete floor slab body or a plurality of prefabricated concrete floor slab bodies are connected into the assembled integrated type prefabricated concrete floor slab through nodes on a support and assembling nodes; the prefabricated concrete floor slab bodies comprise a prefabricated concrete floor slab body of which the two ends are floor slab support ends, a prefabricated concrete floor slab body of which one end is a floor slab support end and the other end is a floor slab assembling end for two prefabricated concrete floor slab bodies, and a prefabricated concrete floor slab body of which the two ends are floor slab assembling ends for the two prefabricated concrete floor slab bodies. Compared with the prior art, the assembled integrated type prefabricated concrete floor slab has the advantages that the quality and the reliability of the concrete floor slab are obviously improved; meanwhile, the assembled integrated type prefabricated concrete floor slab is conveniently and quickly produced, easy to transport and hoist and simple and convenient in design and meets a modular system; during construction and mounting, the costs of all relevant processes of engineering construction can be reduced, so that high quality, high efficiency and low consumption of engineering construction are realized.
Description
Technical field
The invention belongs to building field, be specifically related to a kind of prefabricated concrete floor and attaching method thereof.
Background technology
Assembly integrated precast concrete floor, has two kinds of ways at present: one is precast concrete laminated floor slab, builds a layer concrete exactly again and realize floor integration on prefabricated concrete floor; Another kind is prefabricated concrete floor (solid floor or cassette ceiling), and the end of floor rides on beam or wall edge, realizes floor integration by the concrete on Cast-in-situ Beam (or superposed beam) or wall.The pre-erection of above two kinds of ways can be entire plate, also can be plurality of plates splicing.
The method of attachment of precast concrete laminated floor slab and bearing, see national standard " prefabricated concrete structure tecnical regulations " (JGJ 1-2014) the 8.3rd article.For ensureing the continuity of vertical member, prefabricated superimposed sheet should not be overlapped on vertical member, and its connected mode is side joint.Therefore, prefabricated superimposed sheet is easier to realize with the connection ratio of bearing.
At present, prefabricated concrete floor (solid slab or hollowcore slab), the way of its support position is traditional, on the beam exactly the plate end of prefabricated concrete floor being ridden over support position or wall, if the plate of floor is excessive, need floor to disassemble into polylith precast floor slab, the stitching position cast-in-situ concrete after installation in position between precast floor slab connects the integration realizing floor.This kind of connected mode limits the continuity of vertical member.
Therefore, this area needs a kind of new technology badly to change such present situation.
Summary of the invention
Technical problem to be solved by this invention: for shortcomings and deficiencies of the prior art, the invention provides a kind of assembly integrated precast concrete floor and attaching method thereof.This floor can significantly improve the q&r of concrete floor, make again the fast convenient for production of prefabricated concrete floor simultaneously, easy transport and lifting, design easy and meet modular system, construction and installation saving of work and time, the cost of each related link of engineering construction can be reduced, and then realize the high-quality of engineering construction, efficient and low consumption.
The present invention is design like this:
A kind of assembly integrated precast concrete floor, it is characterized in that: assembly integrated precast concrete floor is made up of one piece of prefabricated concrete floor or plural block prefabricated concrete floor, by bearing place node and splicing node, one piece of prefabricated concrete floor or plural block prefabricated concrete floor are connected to become assembly integrated precast concrete floor; Described prefabricated concrete floor comprises that two ends are the prefabricated concrete floor of floor bearing end, one end is floor bearing end; The prefabricated concrete floor that the other end is the prefabricated concrete floor of the floor splice ends of two pieces of prefabricated concrete floors, two ends are the floor splice ends of two pieces of prefabricated concrete floors;
The spacing that described two ends are the prefabricated concrete floor of floor bearing end, bottom reinforcement bars and top negative reinforcement is a fixed number a; Described bottom reinforcement bars is divided into the bottom reinforcement bars stretching out prefabricated concrete floor bearing end and the bottom reinforcement bars not stretching out prefabricated concrete floor bearing end, and the bottom reinforcement bars stretching out prefabricated concrete floor bearing end and the bottom reinforcement bars not stretching out prefabricated concrete floor bearing end are spaced;
Described one end is floor bearing end; The other end is the prefabricated concrete floor of the floor splice ends of two pieces of prefabricated concrete floors, the spacing of bottom reinforcement bars and top negative reinforcement is a fixed number a; Described bottom reinforcement bars is divided into the bottom reinforcement bars stretching out prefabricated concrete floor bearing end and the bottom reinforcement bars not stretching out prefabricated concrete floor bearing end, and the bottom reinforcement bars stretching out prefabricated concrete floor bearing end and the bottom reinforcement bars not stretching out prefabricated concrete floor bearing end are spaced; The bottom reinforcement bars of described floor splice ends all stretches out splice ends, and without top negative reinforcement;
The spacing of prefabricated concrete floor and bottom reinforcement bars that described two ends are the floor splice ends of two pieces of prefabricated concrete floors is a fixed number a; Described bottom reinforcement bars all stretches out floor splice ends, and without top negative reinforcement;
Assembly integrated precast concrete floor is provided with bearing place node, is provided with cast-in-situ concrete strip between prefabricated concrete floor bearing end and bearing; Prefabricated concrete floor bearing end is arranged in plate end bearing template;
Assembly integrated precast concrete floor is provided with splicing node between two pieces of prefabricated concrete floors; The splicing that described splicing node adopts the cast-in-situ concrete strip of one fixed width c to realize between prefabricated concrete floor connects; Be provided with at the bottom of plate below the cast-in-situ concrete strip of the splicing Nodes between two pieces of prefabricated concrete floors and hang mould.
The side of the floor bearing end of described prefabricated concrete floor is provided with rabbet groove.
The floor bearing end of described prefabricated concrete floor and the side of floor splice ends are provided with rabbet groove.
The side of the floor splice ends of described prefabricated concrete floor is provided with rabbet groove.
Distance between the floor bearing end of the prefabricated concrete floor of described assembly integrated precast concrete floor bearing place node location and adjacent bearing center line is a fixed number b; C=b × 2.
Cast-in-situ concrete strip is provided with between the floor bearing end of the prefabricated concrete floor of described assembly integrated precast concrete floor and adjacent bearing.
A method of attachment for assembly integrated precast concrete floor, is characterized in that: concrete operations are,
Support after hanging mould at the bottom of good plate end bearing template in place, plate and transport prefabricated concrete floor to engineering site, hoisted in position; At assembly integrated precast concrete floor bearing place node location, the distance arranged between the floor bearing end of prefabricated concrete floor and adjacent bearing center line is a fixed number b, and the errorless rear poured in place concrete strip of location dimension is installed in verification; At the splicing node location of assembly integrated precast concrete floor between two pieces of prefabricated concrete floors, the distance arranged between two pieces of prefabricated concrete floor ends is a fixed number c, and c=b × 2, the errorless rear poured in place concrete strip of location dimension is installed in verification; Remove after the concrete strength of poured in place concrete strip reaches strength of mould stripping at the bottom of plate end bearing template, plate and hang mould, complete the connection of assembly integrated precast concrete floor.
By above-mentioned design scheme, the present invention can bring following beneficial effect:
1, floor of the present invention is prefabricated in the factory, and production equipment and process is simple, easy production and processing.
2, the quality of floor of the present invention easily ensures, especially surface is clean and tidy, and dimensional accuracy can reach grade.
3, component standardization of the present invention, modularization, can realize standardized designs and standardized construction.
4, job site of the present invention template consumption is little, and reduce cost of materials and the labour cost of template, and adopt standardization typified form, model sheetinstallat speed is fast, precision is high.
5, all the plastering without the need to scene up and down of floor of the present invention, saves corresponding cost of materials and labour cost.
6, the present invention is produced and construction by standardized design, can significantly improve the construction quality of floor and the construction speed of engineering and significantly reduce engineering construction cost.
7, engineering construction is the invention enables to realize low-carbon (LC), reduction of discharging, energy-conservation, material-saving, water saving, saving manpower, consumption reduction, green, environmental protection etc.
Accompanying drawing explanation
Illustrate that the invention will be further described with detailed description of the invention below in conjunction with accompanying drawing:
Fig. 1 is the prefabricated concrete floor bottom plane structure schematic diagram that the two ends of a kind of assembly integrated precast concrete floor of the present invention are bearing end.
Fig. 2 is the prefabricated concrete floor top planes structural representation that the two ends of a kind of assembly integrated precast concrete floor of the present invention are bearing end.
Fig. 3 is the prefabricated concrete floor cross-sectional view that the two ends of a kind of assembly integrated precast concrete floor of the present invention are bearing end.
Fig. 4 is the bottom plane structure schematic diagram of prefabricated concrete floor when one end of a kind of assembly integrated precast concrete floor of the present invention is bearing end, the other end is the splice ends of two pieces of prefabricated concrete floors.
Fig. 5 is the top planes structural representation of prefabricated concrete floor when one end of a kind of assembly integrated precast concrete floor of the present invention is bearing end, the other end is the splice ends of two pieces of prefabricated concrete floors.
Fig. 6 is the cross-sectional view of prefabricated concrete floor when one end of a kind of assembly integrated precast concrete floor of the present invention is bearing end, the other end is the splice ends of two pieces of prefabricated concrete floors.
Fig. 7 is the two ends of a kind of assembly integrated precast concrete floor of the present invention prefabricated concrete floor plane structure schematic diagrames when being the splice ends of two pieces of prefabricated concrete floors.
Fig. 8 is the two ends of a kind of assembly integrated precast concrete floor of the present invention prefabricated concrete floor cross-sectional view when being the splice ends of two pieces of prefabricated concrete floors.
Fig. 9 is the assembly integrated precast concrete floor bearing place node structure schematic diagram of a kind of assembly integrated precast concrete floor of the present invention.
Figure 10 is the splicing node structure schematic diagram between the assembly integrated precast concrete floor of a kind of assembly integrated precast concrete floor of the present invention, two pieces of prefabricated concrete floors.
Figure 11 is the assembly integrated precast concrete floor level structural representation of a kind of assembly integrated precast concrete floor of the present invention.
Figure 12 is the assembly integrated precast concrete floor cross-sectional view of a kind of assembly integrated precast concrete floor of the present invention.
In figure 1 for floor bearing end, 2 for floor, 3 for bottom reinforcement bars, 4 for negative reinforcement, 5 for rabbet groove, 6 for floor splice ends, 7 for bearing, 8 for strip, 9 for plate end bearing template, 10 for hanging mould at the bottom of plate.
Detailed description of the invention
A kind of assembly integrated precast concrete floor as shown in the figure, it is characterized in that: assembly integrated precast concrete floor (Figure 11, Figure 12) be made up of one piece of prefabricated concrete floor 2 or plural block prefabricated concrete floor 2, by bearing place node (Fig. 9) and splicing node (Figure 10), one piece of prefabricated concrete floor 2 or plural block prefabricated concrete floor 2 are connected to become assembly integrated precast concrete floor; Described prefabricated concrete floor 2 comprises that two ends are the prefabricated concrete floor 2 of floor bearing end 1, one end is floor bearing end 1; The prefabricated concrete floor 2 that the other end is the prefabricated concrete floor of the floor splice ends 6 of two pieces of prefabricated concrete floors 2, two ends are the floor splice ends 6 of two pieces of prefabricated concrete floors 2;
Described two ends are the prefabricated concrete floor 2 (Fig. 1, Fig. 2, Fig. 3) of floor bearing end 1, bottom reinforcement bars 3 is a fixed number a with the spacing of top negative reinforcement 4; Described bottom reinforcement bars 3 is divided into the bottom reinforcement bars 3 stretching out prefabricated concrete floor bearing end 1 and the bottom reinforcement bars 3 not stretching out prefabricated concrete floor bearing end 1, and the bottom reinforcement bars 3 stretching out prefabricated concrete floor bearing end 1 is spaced with the bottom reinforcement bars 3 not stretching out prefabricated concrete floor bearing end 1;
Described one end is floor bearing end 1; The other end is the prefabricated concrete floor 2 (Fig. 4, Fig. 5, Fig. 6) of the floor splice ends 6 of two pieces of prefabricated concrete floors 2, bottom reinforcement bars 3 is a fixed number a with the spacing of top negative reinforcement 4; Described bottom reinforcement bars 3 is divided into the bottom reinforcement bars 3 stretching out prefabricated concrete floor bearing end 1 and the bottom reinforcement bars 3 not stretching out prefabricated concrete floor bearing end 1, and the bottom reinforcement bars 3 stretching out prefabricated concrete floor bearing end 1 is spaced with the bottom reinforcement bars 3 not stretching out prefabricated concrete floor bearing end 1; The bottom reinforcement bars 3 of described floor splice ends 6 all stretches out splice ends 6, and without top negative reinforcement 4;
The spacing of prefabricated concrete floor 2 (Fig. 7, Fig. 8) and bottom reinforcement bars 3 that described two ends are the floor splice ends 6 of two pieces of prefabricated concrete floors 2 is a fixed number a; Described bottom reinforcement bars 3 all stretches out floor splice ends 6, and without top negative reinforcement 4;
Assembly integrated precast concrete floor is provided with bearing place node, is provided with cast-in-situ concrete strip 8 between prefabricated concrete floor 2 floor bearing end 1 and bearing 7; Prefabricated concrete floor 2 bearing end 1 is arranged in plate end bearing template 9;
Assembly integrated precast concrete floor is provided with splicing node between two pieces of prefabricated concrete floors 2; The splicing that described splicing node adopts the cast-in-situ concrete strip 8 of one fixed width c to realize between prefabricated concrete floor 2 connects; The cast-in-situ concrete strip 8 of the splicing Nodes between two pieces of prefabricated concrete floors 2 is provided with at the bottom of plate below hangs mould 10.
The side of the floor bearing end 1 of described prefabricated concrete floor 2 is provided with rabbet groove 5.
The floor bearing end 1 of described prefabricated concrete floor 2 and the side of floor splice ends 6 are provided with rabbet groove 5.
The side of the floor splice ends 6 of described prefabricated concrete floor 2 is provided with rabbet groove 5.
Distance between the floor bearing end 1 of the prefabricated concrete floor 2 of described assembly integrated precast concrete floor bearing place node location and adjacent bearing 7 center line is a fixed number b; C=b × 2.
Cast-in-situ concrete strip 8 is provided with between the floor bearing end 1 of the prefabricated concrete floor 2 of described assembly integrated precast concrete floor and adjacent bearing 7.
A method of attachment for assembly integrated precast concrete floor, is characterized in that: concrete operations are,
Support after hanging mould 10 at the bottom of good plate end bearing template 9 in place, plate and transport prefabricated concrete floor 2 to engineering site, hoisted in position; At assembly integrated precast concrete floor bearing place node location, the distance arranged between the floor bearing end 1 of prefabricated concrete floor 2 and adjacent bearing 7 center line is a fixed number b, and the errorless rear poured in place concrete strip 8 of location dimension is installed in verification; At the splicing node location of assembly integrated precast concrete floor between two pieces of prefabricated concrete floors 2, the distance arranged between two pieces of prefabricated concrete floor 2 ends is a fixed number c, and c=b × 2, the errorless rear poured in place concrete strip 8 of location dimension is installed in verification; Remove after the concrete strength of poured in place concrete strip 8 reaches strength of mould stripping at the bottom of plate end bearing template 9, plate and hang mould 10, complete the connection of assembly integrated precast concrete floor.
Claims (7)
1. an assembly integrated precast concrete floor, it is characterized in that: assembly integrated precast concrete floor is made up of one piece of prefabricated concrete floor (2) or plural block prefabricated concrete floor (2), by bearing place node and splicing node, one piece of prefabricated concrete floor (2) or plural block prefabricated concrete floor (2) are connected to become assembly integrated precast concrete floor; Described prefabricated concrete floor (2) comprises that two ends are the prefabricated concrete floor (2) of floor bearing end (1), one end is floor bearing end (1); The prefabricated concrete floor (2) that the other end is the prefabricated concrete floor of the floor splice ends (6) of two pieces of prefabricated concrete floors (2), two ends are the floor splice ends (6) of two pieces of prefabricated concrete floors (2);
Described two ends are the prefabricated concrete floor (2) of floor bearing end (1), bottom reinforcement bars (3) is a fixed number a with the spacing of top negative reinforcement (4); Described bottom reinforcement bars (3) is divided into the bottom reinforcement bars (3) stretching out prefabricated concrete floor bearing end (1) and the bottom reinforcement bars (3) not stretching out prefabricated concrete floor bearing end (1), and the bottom reinforcement bars (3) stretching out prefabricated concrete floor bearing end (1) and the bottom reinforcement bars (3) not stretching out prefabricated concrete floor bearing end (1) are spaced;
Described one end is floor bearing end (1); The other end is the prefabricated concrete floor (2) of the floor splice ends (6) of two pieces of prefabricated concrete floors (2), bottom reinforcement bars (3) is a fixed number a with the spacing of top negative reinforcement (4); Described bottom reinforcement bars (3) is divided into the bottom reinforcement bars (3) stretching out prefabricated concrete floor bearing end (1) and the bottom reinforcement bars (3) not stretching out prefabricated concrete floor bearing end (1), and the bottom reinforcement bars (3) stretching out prefabricated concrete floor bearing end (1) and the bottom reinforcement bars (3) not stretching out prefabricated concrete floor bearing end (1) are spaced; The bottom reinforcement bars (3) of described floor splice ends (6) all stretches out splice ends (6), and without top negative reinforcement (4);
The spacing of prefabricated concrete floor (2) and bottom reinforcement bars (3) that described two ends are the floor splice ends (6) of two pieces of prefabricated concrete floors (2) is a fixed number a; Described bottom reinforcement bars (3) all stretches out floor splice ends (6), and without top negative reinforcement (4);
Assembly integrated precast concrete floor is provided with bearing place node, is provided with cast-in-situ concrete strip (8) between prefabricated concrete floor (2) floor bearing end (1) and bearing (7); Prefabricated concrete floor (2) bearing end (1) is arranged in plate end bearing template (9);
Assembly integrated precast concrete floor is provided with splicing node between two pieces of prefabricated concrete floors (2); The splicing that described splicing node adopts the cast-in-situ concrete strip (8) of one fixed width c to realize between prefabricated concrete floor (2) connects; The cast-in-situ concrete strip (8) of the splicing Nodes between two pieces of prefabricated concrete floors (2) is provided with at the bottom of plate below hangs mould (10).
2. a kind of assembly integrated precast concrete floor according to claim 1, is characterized in that: the side of the floor bearing end (1) of described prefabricated concrete floor (2) is provided with rabbet groove (5).
3. a kind of assembly integrated precast concrete floor according to claim 1, is characterized in that: the floor bearing end (1) of described prefabricated concrete floor (2) and the side of floor splice ends (6) are provided with rabbet groove (5).
4. a kind of assembly integrated precast concrete floor according to claim 1, is characterized in that: the side of the floor splice ends (6) of described prefabricated concrete floor (2) is provided with rabbet groove (5).
5. a kind of assembly integrated precast concrete floor according to claim 1, is characterized in that: the distance between the floor bearing end (1) of the prefabricated concrete floor (2) of described assembly integrated precast concrete floor bearing place node location and adjacent bearing (7) center line is a fixed number b; C=b × 2.
6. a kind of assembly integrated precast concrete floor according to claim 1, is characterized in that: be provided with cast-in-situ concrete strip (8) between the floor bearing end (1) of the prefabricated concrete floor (2) of described assembly integrated precast concrete floor and adjacent bearing (7).
7. a method of attachment for assembly integrated precast concrete floor, is characterized in that: concrete operations are,
Support after hanging mould (10) at the bottom of good plate end bearing template (9) in place, plate and transport prefabricated concrete floor (2) to engineering site, hoisted in position; At assembly integrated precast concrete floor bearing place node location, the distance arranged between the floor bearing end (1) of prefabricated concrete floor (2) and adjacent bearing (7) center line is a fixed number b, and the errorless rear poured in place concrete strip (8) of location dimension is installed in verification; At the splicing node location of assembly integrated precast concrete floor between two pieces of prefabricated concrete floors (2), the distance arranged between two pieces of prefabricated concrete floor (2) ends is a fixed number c, and c=b × 2, the errorless rear poured in place concrete strip (8) of location dimension is installed in verification; Remove after the concrete strength of poured in place concrete strip (8) reaches strength of mould stripping at the bottom of plate end bearing template (9), plate and hang mould (10), complete the connection of assembly integrated precast concrete floor.
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| CN201510073350.5A CN104652673A (en) | 2015-02-12 | 2015-02-12 | Assembled integrated type prefabricated concrete floor slab and connection method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155855A (en) * | 2015-09-11 | 2015-12-16 | 孟凡林 | Arrangement method of short-span negative-moment reinforcing steel bars of assembled core post-grouted concrete plates |
| CN106284643A (en) * | 2016-09-30 | 2017-01-04 | 浙江省建筑科学设计研究院有限公司 | A building industrialization concrete water flat structure prefabricated components method for designing of application |
| CN107035045A (en) * | 2017-06-02 | 2017-08-11 | 吉林建筑大学 | A kind of precast concrete bidirectional hollow plate and preparation method thereof |
-
2015
- 2015-02-12 CN CN201510073350.5A patent/CN104652673A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155855A (en) * | 2015-09-11 | 2015-12-16 | 孟凡林 | Arrangement method of short-span negative-moment reinforcing steel bars of assembled core post-grouted concrete plates |
| CN106284643A (en) * | 2016-09-30 | 2017-01-04 | 浙江省建筑科学设计研究院有限公司 | A building industrialization concrete water flat structure prefabricated components method for designing of application |
| CN106284643B (en) * | 2016-09-30 | 2018-06-26 | 浙江省建筑科学设计研究院有限公司 | Building industrialization concrete water flat structure prefabricated components apply a design method |
| CN107035045A (en) * | 2017-06-02 | 2017-08-11 | 吉林建筑大学 | A kind of precast concrete bidirectional hollow plate and preparation method thereof |
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Application publication date: 20150527 |
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