CN107882233A - A kind of unit floor of assembled flatslab construction - Google Patents
A kind of unit floor of assembled flatslab construction Download PDFInfo
- Publication number
- CN107882233A CN107882233A CN201711308634.3A CN201711308634A CN107882233A CN 107882233 A CN107882233 A CN 107882233A CN 201711308634 A CN201711308634 A CN 201711308634A CN 107882233 A CN107882233 A CN 107882233A
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- CN
- China
- Prior art keywords
- precast floor
- unit
- type
- connecting plate
- floor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- E04B5/023—Separate connecting devices for prefabricated floor-slabs
-
- 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
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
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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
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
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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
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
Abstract
The invention discloses a kind of unit floor of assembled flatslab construction, including vertical member, precast floor unit and connecting node, the precast floor unit includes the A type precast floor units for including part intercolumniation connecting plate band；The both ends reserved steel bar of part intercolumniation connecting plate band in the A types precast floor unit is all connected in the range of the connecting node between post and precast floor unit；Part intercolumniation connecting plate band in the A types precast floor unit is configured with straight-through bottom muscle in span direction；The straight-through bottom muscle of intercolumniation connecting plate band between the main shaft of adjacent two post of the assembling completion flatslab construction is directly delivered to load the expansion joint of post or post, the unit floor of the assembled flatslab construction can be realized has the same security reliability with cast-in-place concrete structure, and mounting structure and assembly method are diversified and more perfect.In addition, the unit floor is easy for installation and with economic and convenient the advantages of promoting.
Description
Technical field
The present invention relates to concrete structure prefabrication construction applications, specially a kind of assembled girderless floor knot
The unit floor of structure.
Background technology
Because assembled architecture meets the mode of production of environmental protection and energy saving, country proposes the time with 10 years or so, makes dress
With formula building account for new building ratio reach 30% developing goal；And flatslab construction has in equal use space
Premise can reduce floor height, have good economy in hypogee and as Multilayer parking, flatslab construction can scene
Pouring can also realize prefabricated assembled will also there is the very big market space.
The key of assembled architecture be building structure can be split into can plant produced, transport, be easily installed and meet peace
Complete reliable and economical rationality component and the assembling construction for realizing building industrialization.
The flatslab construction of the prefabricated concrete structure of flatslab construction has the disadvantage that at present：
(1) current assembly concrete flatslab construction form has using originating from Yugoslavia's eighties in last century
" integrated prestress assembled sheet-pile (girderless floor) structure " of the prestressing force friction node of " IMS " system, i.e. floor are by pre-
Stress and its caused stiction supporting and fixing form prestressing force friction node form on post between plate and post.This
In form, the compression of frictional force derives from the prestress wire of live post-stretching, because of the particular/special requirement of its connection, this it is pre- should
The construction technology of power steel strand tension is cumbersome, and difficulty is big, and very high to the technical requirements of workmen；In addition, node tensioning
Prestressing force the purpose of be to connect needs, and additional stress is generated to the component of original assembling, this both increases design difficulty
Construction costs is had influence on again；When also using " IMS " system, prestressing force friction node not only needs to meet reinforced concrete structure
Relevant regulation, also need to meet《Integrated prestress assembled plate-column structure technical regulation CECS52：2110》Requirement, it is only
Association criterion code, rather than national standard, from another point of view side light " IMS " system connection method be present
Or at least illustrate it is not perfect structure type, be the implementation technology approved not over national level；In application because scene is applied
Big-i.e. inapplicable industrialized construction of work difficulty, cost height be not suitable for market economy production and execution typical problem and by
To resistance, cause to have gone over the few of application twenty or thirty year.
(2) correlation technique of assembled flatslab construction (plate-column structure) discloses also number of patent application and is at present
2017107612055th, the mode in 2016111750922 and 201621391998.3, although it solves the prefabricated of plate-column structure
Component division, prefabricated and assembling technical approach method, but it assembles with people and is accustomed to having larger difference, it is simple complete not enough
The division and assembling for solving the prefabricated components of plate-column structure are gone in face.
The content of the invention
It is an object of the invention to be to provide a kind of unit floor of assembled flatslab construction, the assembled is without Liang Lou
The building of the unit floor assembling of harden structure can realize that the building built with cast-in-place concrete is safe and reliable with
Property, in addition, the unit floor of the assembled flatslab construction can provide more comprehensive, diversified assembled girderless floor
The pattern and assembly method of the precast floor unit of the unit floor of structure；Pass through the more of the precast floor unit to plate-column structure
Sample selects, so that assembling simpler, economical and being more conducive to promote.
The present invention solve above-mentioned technical problem technical scheme be：
A kind of unit floor of assembled flatslab construction, including vertical member, precast floor unit and connection section
Point, the vertical member include shear wall and post, and the connecting node is including the connecting node between precast floor unit and in advance
Connecting node between floor member and vertical member processed, wherein,
The precast floor unit includes the A type precast floor units for including part intercolumniation connecting plate band；The intercolumniation connects
Fishplate bar band is the whole strip band-like plate that collapses between the main shaft of two neighboring post, its width be more than or equal to post it is wide, less than or equal to plate
The width of the generally defined intercolumniation connecting plate band of rod structure, the portion in two pieces of A type precast floor units for connecting two posts
Intercolumniation connecting plate band is divided to be combined into a complete intercolumniation connecting plate band；
The both ends reserved steel bar of part intercolumniation connecting plate band in the A types precast floor unit be all connected to post with it is prefabricated
In the range of connecting node between floor member；Part intercolumniation connecting plate band in the A type precast floor units is in span direction
It is configured with straight-through bottom muscle；Assembling is completed between the main shaft of adjacent two post of the unit floor of the assembled flatslab construction
The straight-through bottom muscle of intercolumniation connecting plate band directly load is delivered to the expansion joint of post or post.
Preferably, the precast floor unit combination of the unit floor of the assembled flatslab construction includes：
All combined by the A type precast floor units comprising part intercolumniation connecting plate band, the A types precast floor slab structure
Part is joined together to form the precast floor unit by the structure of connecting node；
It is or prefabricated by the A types precast floor unit comprising part intercolumniation connecting plate band and the c-type without intercolumniation connecting plate band
Floor member combines, and the surrounding of the c-type precast floor unit passes through connecting node with A type precast floor units respectively
Structure is joined together to form the precast floor unit；
It is or pre- by the A types precast floor unit comprising part intercolumniation connecting plate band and the Type B containing complete intercolumniation connecting plate band
Floor member processed is combined, and the A types precast floor unit is connected with Type B precast floor unit by the structure of connecting node
The precast floor unit is formed together；
It is or prefabricated by the A types precast floor unit comprising part intercolumniation connecting plate band, the Type B containing complete intercolumniation connecting plate band
Floor member and c-type precast floor unit without intercolumniation connecting plate band combine, and the A types precast floor unit, Type B are pre-
Floor member processed and c-type precast floor unit are joined together to form the precast floor unit by the structure of connecting node.
Preferably, when the precast floor unit is made up of A types precast floor unit and Type B precast floor unit or by
When A types precast floor unit, Type B precast floor unit and c-type precast floor unit are formed, all Type B precast floor units
In complete intercolumniation connecting plate band direction it is consistent, the direction one of the part intercolumniation connecting plate band of all A types precast floor units
Cause.
Preferably, in precast floor unit, each A types precast floor unit includes the intercolumniation connecting plate band of half.This
Sample can realize the prefabricated component of symmetry, simplify construction.
Preferably, anti-shearing steel is contained in the connecting node between the precast floor unit and post.So as to reinforcing prop with
The connection at connecting node between precast floor unit.
Preferably, the Type B precast floor unit is folded type prefabricated board.
Preferably, the Type B precast floor unit is " convex island " type prefabricated board.Its role is to be easy to connection and can be very
Applying prestressing force well turns into prestressing force prefabricated board.
Preferably, the width of the Type B precast floor unit is more than or equal to the wide precast floor unit for adding three times of post
Thickness sum.So, by controlling certain width to be advantageous to the configuration of reinforcing bar so that plate-column structure is safer.
Preferably, the c-type precast floor unit for common whole thickness type prefabricated board either folded type prefabricated board or
The close compound prefabricated board of rib, it can so realize the diversity of assembling structure.
The present invention has the advantages that compared with prior art:
(1) the unit floor of assembled flatslab construction of the invention, introduce it is a kind of it is new comprising part post to connection
The A type precast floor units of strip, innovation can be combined into other precast floor units by A types precast floor unit
Assembling structure form, it can be realized has the same security reliability with cast-in-place concrete structure, in addition, the assembled without
The unit floor of beam floor construction can provide the prefabricated of the unit floor of more comprehensive, diversified assembled flatslab construction
The pattern and assembly method of floor member；By various selection of the precast floor unit to plate-column structure, so that assembling is more
Add simple, economical and be more conducive to promote.
(2) the unit floor of assembled flatslab construction of the invention, introduce it is a kind of it is new comprising part post to connection
The A type precast floor units of strip, innovation can be combined into other precast floor units by A types precast floor unit
Assembling structure form, so as to realize the bottom muscle of intercolumniation connecting plate band through to up to vertical member, and then by precast floor unit
Load transmission is to vertical member so that structure is more reasonable, material property perform to it is ultimate attainment, so as to more safety and more
The advantages of economic.
(3) the unit floor of assembled flatslab construction of the invention, introduce it is a kind of it is new comprising part post to connection
The A type precast floor units of strip, innovation can be combined into other precast floor units by A types precast floor unit
Assembling structure form, in the hoisting prefabricated floor member of assembling process, hung according to (clearly demarcated) decision of the level up and down of steel bar arrangement
Succession is filled, so as to reduce difficulty of construction, improve efficiency of assembling.
(4) the unit floor of assembled flatslab construction of the invention, introduce it is a kind of it is new comprising part post to connection
The A type precast floor units of strip, innovation can be combined into other precast floor units by A types precast floor unit
Assembling structure form, diversity, the flexibility of selection of precast floor unit are improved, so as to global optimization precast floor unit
With whole assembly technology, so as to mitigate the weight of single precast floor unit, to reach on-site hoisting equipment requirement；So as to realize
Safety and economy are perfectly balanced.
(5) the A type precast floor units that the unit floor of assembled flatslab construction of the invention introduces, can be fine
The connecting node between precast floor unit and vertical member with configuring shearing resistance shaped steel combines assembling, two blocks of A type precast floor slabs
Can be with configuration node shaped steel in component, this is the combining form that other types precast floor unit can not be compared.
Brief description of the drawings
Fig. 1 is the planar structure of an embodiment of the unit floor of the assembled flatslab construction of the present invention
Figure.
Fig. 2 is the sectional view in Fig. 1 A-A directions.
Fig. 3 is the sectional view in Fig. 1 B-B directions.
Fig. 4 is the sectional view in Fig. 1 C-C directions.
Fig. 5 is the sectional view in Fig. 1 D-D directions.
Fig. 6-Fig. 8 is in the c-type precast floor unit in the unit floor of the assembled flatslab construction of the present invention
The perspective view of three different embodiments；Wherein, Fig. 6 is common form precast floor unit, and Fig. 7 is the prefabricated building of superimposed sheet form
Board member, Fig. 8 are multi-ribbed plate form precast floor unit.
Fig. 9 and Figure 10 is in the Type B precast floor unit in the unit floor of the assembled flatslab construction of the present invention
Two different embodiments perspective view；Wherein, Fig. 9 is superimposed sheet form precast floor unit, and Figure 10 is " convex island " plate shape
Formula precast floor unit.
Figure 11 is the perspective view of the A types precast floor unit in Fig. 1.
Figure 12 is the enlarged plan view for the connecting node for having shaped steel in Fig. 1.
Figure 13 is the sectional view in E-E directions in Figure 12.
Figure 14 is the sectional view in F-F directions in Figure 12.
In figure：1-C type precast floor units, 2-B type precast floor units, 3-A type precast floor units, the connection of 4- intercolumniations
Strip, 5- vertical members, pouring concrete pours groove after 6-, the line of demarcation of 7- precast floor units, 8- shearing resistance shaped steel, and 9- intercolumniations connect
The upper reinforcement of fishplate bar band, the bottom muscle of 10- intercolumniation connecting plate bands；The width of L- intercolumniation connecting plate bands, b- posts are wide, and H- contains connecting plate
Thickness with precast floor unit.
Embodiment
Embodiments of the invention are described with reference now to accompanying drawing, similar element numbers represent similar element in accompanying drawing.Before,
Afterwards, left and right, upper and lower is the relativeness of institute's diagram, to face drawing orientation as standard.
Embodiment 1
Referring to Fig. 1-Fig. 5, the unit floor of assembled flatslab construction of the invention includes vertical member 5, prefabricated building
Board member and connecting node, the vertical member 5 include shear wall and post, and connecting node is included between precast floor unit
Between connecting node and vertical member and precast floor unit connecting node (its except indicate in addition to, be all using prior art
The connecting node of connection), Fig. 1 illustrates four complete floor construction units, and the complete floor construction unit refers to
Stable floor that adjacent vertical member 5 supports, its be one piece of complete stress floor construction unit, four complete floor constructions
Unit all includes the A types precast floor unit 3 for including part intercolumniation connecting plate band 4, and the intercolumniation connecting plate band 4 is two neighboring
The whole strip band-like plate that collapses between the main shaft of post, the width L of intercolumniation connecting plate band 4 are more than or equal to the wide b of post being connected, less than etc.
In the width L of the intercolumniation connecting plate band 4 for the plate-column structure (flatslab construction) generally arranged, for connecting two pieces of two posts
Part intercolumniation connecting plate band 4 in A types precast floor unit 3 is combined into a complete intercolumniation connecting plate band 4, and (such as Fig. 1's is most upper
Complete intercolumniation connecting plate band 4 is divided into two pieces of two pieces of A types up and down by the line of demarcation 7 of the precast floor unit at the post horizontal spindle on side
Precast floor unit 3)；Part intercolumniation connecting plate band 4 in the A types precast floor unit 3 is configured with straight-through in span direction
Bottom muscle 10, the bottom muscle 10 at the intercolumniation connecting plate band 4 is reserved with the connecting node for anchoring into post and precast floor unit enough
Interior length；The intercolumniation between the main shaft of the two neighboring post of the unit floor of the assembled flatslab construction is completed in assembling
The bottom muscle 10 of connecting plate band 4 is directly delivered to load the expansion joint of post or post.
" post to connecting plate band " and " vertical member major axes orientation " of sheet-pile (girderless floor) structure as described herein be《It is mixed
Xtah Crude Clay structure design specification》Title in GB50010-2010, it is signified consistent with specification.The Wu Lianglou generally arranged in the industry
Width L from harden structure post to connecting plate band be the side floor overall width of post two each 1/4 width sum.
Described connecting node connecting node and precast floor unit and column connected node between precast floor unit, are removed
Especially outside dated connecting node, the structure of remaining connecting node is connecting node of the prior art.
Referring to Fig. 1, the precast floor unit can also be divided into comprising complete by the line of demarcation 7 of the precast floor unit
The Type B precast floor unit 2 of whole intercolumniation connecting plate band 4 and the c-type precast floor unit 1 without intercolumniation connecting plate band 4, because
This, the combination of the precast floor unit of the unit floor of the assembled girderless floor (plate-column structure) includes following four
Mode：
(1), the structure that connecting node is all passed through by the A types precast floor unit 3 comprising part intercolumniation connecting plate band 4
Link together (referring to the complete floor construction unit at upper left side in Fig. 1)；The vertical member 5 of the floor construction unit wraps
Include two posts and a piece of shear wall and three pieces of A types precast floor units 3 and its connecting node is formed.
(2), by the A types precast floor unit 3 comprising part intercolumniation connecting plate band 4 and the C without intercolumniation connecting plate band 4
Type precast floor unit 1 combines；The surrounding of the c-type precast floor unit 1 passes through with A types precast floor unit 3 respectively
The structure of connecting node links together (referring to the complete floor construction unit at upper right side in Fig. 1)；The complete floor
Construction unit includes the end that vertical member 5 is three posts and a piece of shear wall, three pieces of A types precast floor units 3 and one piece of c-type
Precast floor unit 1 and its connecting node are formed.
(3), by the A types precast floor unit 3 comprising part intercolumniation connecting plate band 4 and containing complete intercolumniation connecting plate band 4
Type B precast floor unit 2 combines；The A types precast floor unit 3 and Type B precast floor unit 2 pass through connecting node
Structure links together (referring to the complete floor construction unit at Fig. 1 lower lefts)；The complete floor construction unit includes
Vertical member 5 is two posts and a piece of shear wall, two pieces of A types precast floor units 3 and one piece of Type B precast floor unit 2 and its
Connecting node is formed.
(4), by the A types precast floor unit 3 comprising part intercolumniation connecting plate band 4, the B containing complete intercolumniation connecting plate band 4
Type precast floor unit 2 and c-type precast floor unit 1 without intercolumniation connecting plate band 4 combine；The A types precast floor slab
Component 3, Type B precast floor unit 2 and c-type precast floor unit 1 are linked together (referring to Fig. 1 by the structure of connecting node
Lower right at complete floor construction unit).The complete floor construction unit is three posts and one including vertical member 5
The end of piece shear wall, three pieces of A types precast floor units, 3, one pieces of Type B precast floor units 2 and one piece of c-type precast floor unit
1 and its connecting node form.
Referring to Fig. 1, when the precast floor unit is made up of A types precast floor unit 3 and Type B precast floor unit 2 or
When person is made up of A types precast floor unit 3, Type B precast floor unit 2 and c-type precast floor unit 1, all prefabricated buildings of Type B
The bearing of trend of complete intercolumniation connecting plate band 4 in board member 2 is consistent, the part intercolumniation connection of all A types precast floor units 3
The bearing of trend of strip 4 is consistent, and complete intercolumniation connecting plate band 4 and A types precast floor unit 3 in Type B precast floor unit 3
In the bearing of trend of part intercolumniation connecting plate band 4 be mutually perpendicular to.It can preferably realize that lifting is suitable so in work progress
Sequence so that reinforcing bar it is well arranged, it is convenient for assembly.
Can be commonly conventional according to design and lifting requirements, the c-type precast floor unit 1 referring to Fig. 6-Fig. 8
Whole thickness type prefabricated board (referring to Fig. 6) either folded type prefabricated board (referring to Fig. 7) or the compound prefabricated board of close rib (referring to figure
8)。
Referring to Fig. 9, the Type B precast floor unit 2 can use folded type prefabricated board, institute according to design and lifting requirements
The thickness for stating folded type prefabricated board when folded type prefabricated board refers to prefabricated is not whole thickness, but an only part (example of thickness
If pre-erection is 1/2 plate thickness), after assembly, the thickness of remainder is poured using rear pouring concrete.This is advantageous to lead to
Suffered interference is small when crossing the globality of connection and facilitate reinforcing bar colligation, and arranging.In addition, using folded type prefabricated board
When, transporting and hoisting weight can be mitigated, comprehensive overlapping layers can strengthen the globality of floor.
Referring to Figure 10, the Type B precast floor unit 2 can also use " convex island " type prefabricated board, and " convex island " type is pre-
Making sheet is that the surrounding of prefabricated board is that overlapping flaggy core is whole thick floor；The overlapping of " convex island " the type prefabricated board surrounding
Layer is easy to connect, and core provides enough rigidity for whole thick floor for resistance prestressing force, overcomes superimposed sheet in the floor
The shortcomings that stretch-draw prestressing force deficiency.
Referring to Fig. 9 and Figure 10, the width requirement of the Type B precast floor unit 2 adds the prefabricated building of three times more than or equal to the wide b of post
The thickness H of board member, its effect is that the width L of limitation intercolumniation connecting plate band 4 can not be too small, in order to there is rational width to go to arrange
Straight-through bottom muscle 10, and require that the bottom muscle 10 of intercolumniation connecting plate band 4 reserves the company that sufficient length reaches post and precast floor unit
Connect node anchors into requirement, ensures security and economy with this, and rational width can play more reasonable structure, material property
To ultimate attainment, there is more preferable security performance and economic performance；The width of the Type B precast floor unit 2 is also required in Practical Project
Degree is not more than the width L for the intercolumniation connecting plate band 4 arranged in plate-column structure, in the intercolumniation connecting plate band 4 that engineering is generally arranged
Width L is 1/4 sum (be so skilled person will realize that general knowledge) of each hem width degree of floor on post both sides.
Referring to Figure 11, the A types precast floor unit 3 is whole thick multi-ribbed plate and the solid part of intercolumniation connecting plate band 4
The prefabricated board of combination, the A types precast floor unit 3 include 1/2 intercolumniation connecting plate band 4, the bottom muscle 10 of the intercolumniation connecting plate band 4
What reserved sufficient length reached the connecting node of vertical member 5 anchors into requirement.In actual implementation process, the prefabricated building of A types
Board member 3 can also be superimposed sheet or whole thickness type prefabricated board, but A types precast floor unit 3 includes to differ and is set to 1/2
Intercolumniation connecting plate band 4.
As shown in figure 1, the connecting node between the post and precast floor unit is common connecting node and containing anti-
Connecting node between the post and precast floor unit of scissors-type steel 8.The connecting node for having shearing resistance shaped steel 8 can simplify connecting node
Construction, mainly reduce connecting node in number of steel bars, moreover it is possible to improve bearing capacity.Plate-column structure (i.e. flatslab construction)
Security it is most important be to depend on the security that is connected between post and precast floor unit.Shearing resistance shaped steel 8 (shown in Fig. 1) is just
Configuration is in the part intercolumniation connecting plate band 4 of two pieces of A types precast floor units 3.
Referring to Fig. 1-Figure 11, the unit floor concrete construction method of assembled flatslab construction of the invention is：
In pre-fabricated factory by drawing production c-type precast floor unit 1, Type B precast floor unit 2 and A type precast floor slab structures
Part 3 and reinforcing bar needed for connecting node is processed, its sequence of construction is as follows：
(1) required according to construction loads, flatness and absolute altitude requirement are installed, installed for supporting precast floor unit
Vertical supporting；When using the vertical member 5 comprising cap conjunction or supporting plate, it should be required to meet construction loads requirement and installation
Flatness requirement.
(2) Type B precast floor unit 2 is lifted, shelves and is fixed on vertical supporting.
(3) A types precast floor unit 3 and c-type precast floor unit 1 are lifted, shelves and is fixed on Type B precast floor unit 2
Side overlapping layers on, pouring concrete pours groove 6 after being formed with this.
(4) pouring concrete pours the reinforcing bar at groove 6 after installation connection colligation, is carried out by design requirement, reinforcing bar includes prefabricated
The supplement reinforcing bar that the bottom muscle 10 and design or construction of the reserved connection of floor member or anchoring need.
(5) poured in rear pouring concrete and delay-pour joint concrete is poured in groove 6, dismounting is perpendicular after concrete setting reaches intensity
To support.
Embodiment 2
Referring to Figure 12-Figure 14, the present embodiment and the difference of embodiment 1 are to be provided with shearing resistance in the connecting node
Shaped steel 8, the bottom muscle 10 that the length direction of precast floor unit intersects with shearing resistance shaped steel 8 anchor into the edge of a wing of shearing resistance shaped steel 8, upper reinforcement
9 across the upper surface of shearing resistance shaped steel 8, and reaches anchorage length；Shearing resistance shaped steel 8 is arranged on two major axes orientations of post.Shearing resistance shaped steel 8
The most main reinforcing bar for being advantageous to intercolumniation connecting plate band 4 is delivered to load in vertical member 5 by shearing resistance shaped steel 8.Institute
It is reinforced column to state vertical member 5, and the shearing resistance shaped steel 8 is arranged on concrete column center.
Referring to Figure 12-Figure 14, the shear strength of the total sectional area of the shearing resistance shaped steel 8 configured can be designed as needed
The axis of a cylinder that value is more than or equal under the effect of this floor plate representative value of gravity load is to pressure design value.Effect is to ensure that shearing resistance shaped steel
8 meet safety requirements, and the reinforcing bar for reducing precast floor unit anchors into quantity in post, is easy to quality of constructing and ensure.Pass through this guarantor
Shear-carrying capacity at card connecting node meets national regulation《Code for design of concrete structures》GB50010-2010 and《Building is anti-
Shake design specification》GB50011-2010 is provided.So that column cap number of steel bars is reduced, so that reinforcing bar configures and arranges, ensure to apply
Work easily and more preferably ensures quality.
Referring to Figure 12-Figure 14, the concrete construction method of above-described embodiment 2 is：
In pre-fabricated factory by drawing production c-type precast floor unit 1, Type B precast floor unit 2 and A type precast floor slab structures
Part 3 and reinforcing bar needed for connecting node is processed, its sequence of construction is as follows：
(1) required according to construction loads, flatness and absolute altitude requirement are installed, installed for supporting precast floor unit
Vertical supporting.
(2) shearing resistance shaped steel 8 is installed at the connecting node of reinforced column, (between steel column and precast floor unit
Connecting node in factory scientific and technological shaped steel and post weldedization)
(3) Type B precast floor unit 2 is lifted, shelves and is fixed on vertical supporting so that the bottom of Type B precast floor unit 2
Muscle 10 is shelved on the bottom flange of shearing resistance shaped steel 8.
(4) A types precast floor unit 3 is lifted, shelves and is fixed on the side overlapping layers of Type B precast floor unit 2 so that
The bottom muscle 10 of A types precast floor unit 3 is shelved on the bottom flange of shearing resistance shaped steel 8, and pouring concrete pours groove 6 after being formed with this.
(5) pouring concrete pours the reinforcing bar at groove 6 after installation connection colligation, is carried out by design requirement, reinforcing bar includes prefabricated
The supplement reinforcing bar that the bottom muscle 10 and design or construction of the reserved connection of floor member or anchoring need.
(6) poured in rear pouring concrete and delay-pour joint concrete is poured in groove 6, dismounting is perpendicular after concrete setting reaches intensity
To support.
" intercolumniation connecting plate band " and " the vertical member master of sheet-pile (girderless floor or arch without beam) structure of the present invention
Direction of principal axis " is《Code for design of concrete structures》Title in GB50010-2010, it is signified consistent with specification." arch without beam " or
" girderless floor " is the title of former specification and engineering, and present specification is " plate-column structure "；This paper title " arch without beam ",
" girderless floor " and " plate-column structure " be identical architecture structure form (be China's different times title call it is different and
)；Use herein " girderless floor " for main title be because vertical member have shear wall, " plate-column structure " can also contain in fact
There is shear wall, but " girderless floor " is used as title to not produce objection.
Above-mentioned is the preferable embodiment of the present invention, but embodiments of the present invention are not limited by the above, its
His any Spirit Essence without departing from the present invention with made under principle change, modification, replacement, combine, simplification, should be
The substitute mode of effect, is included within protection scope of the present invention.
Claims (9)
1. a kind of unit floor of assembled flatslab construction, including vertical member, precast floor unit and connecting node,
The vertical member includes shear wall and post, and the connecting node includes the connecting node and prefabricated building between precast floor unit
Connecting node between board member and vertical member, it is characterised in that
The precast floor unit includes the A type precast floor units for including part intercolumniation connecting plate band；The intercolumniation connecting plate
Band is the whole strip band-like plate that collapses between the main shaft of two neighboring post, its width be more than or equal to post it is wide, less than or equal to sheet-pile knot
The width of the generally defined intercolumniation connecting plate band of structure, the part post in two pieces of A type precast floor units for connecting two posts
Between connecting plate band be combined into a complete intercolumniation connecting plate band；
The both ends reserved steel bar of part intercolumniation connecting plate band in the A types precast floor unit is all connected to post and precast floor slab
In the range of connecting node between component；Part intercolumniation connecting plate band in the A type precast floor units configures in span direction
There is straight-through bottom muscle；The post between the main shaft of adjacent two post of the unit floor of the assembled flatslab construction is completed in assembling
Between the straight-through bottom muscle of connecting plate band directly load is delivered to the expansion joint of post or post.
2. the unit floor of assembled flatslab construction according to claim 1, it is characterised in that the assembled is without beam
The combination of the precast floor unit of the unit floor of floor construction includes：
All combined by the A type precast floor units comprising part intercolumniation connecting plate band, the A types precast floor unit leads to
The structure for crossing connecting node is joined together to form the precast floor unit；
Or by the A types precast floor unit comprising part intercolumniation connecting plate band and the c-type precast floor slab without intercolumniation connecting plate band
Component composition forms, the structure that the surrounding of the c-type precast floor unit passes through connecting node with A types precast floor unit respectively
It is joined together to form the precast floor unit；
Or by the A types precast floor unit comprising part intercolumniation connecting plate band and the prefabricated building of Type B containing complete intercolumniation connecting plate band
Board member combines, and the A types precast floor unit and Type B precast floor unit are connected to one by the structure of connecting node
Rise and form the precast floor unit；
Or by the A types precast floor unit comprising part intercolumniation connecting plate band, the Type B precast floor slab containing complete intercolumniation connecting plate band
Component and c-type precast floor unit without intercolumniation connecting plate band combine, the A types precast floor unit, the prefabricated building of Type B
Board member and c-type precast floor unit are joined together to form the precast floor unit by the structure of connecting node.
3. the unit floor of assembled flatslab construction according to claim 2, it is characterised in that the precast floor slab
When component is made up of A types precast floor unit and Type B precast floor unit or by A types precast floor unit, Type B precast floor slab
When component and c-type precast floor unit are formed, the direction one of the complete intercolumniation connecting plate band in all Type B precast floor units
Cause, the direction of the part intercolumniation connecting plate band of all A types precast floor units is consistent.
4. the unit floor of assembled flatslab construction according to claim 1, it is characterised in that in precast floor slab structure
In part, each A types precast floor unit includes the intercolumniation connecting plate band of half.
5. the unit floor of assembled flatslab construction according to claim 1, it is characterised in that the precast floor slab
Contain anti-shearing steel in the connecting node of component and post.
6. the unit floor of assembled flatslab construction according to claim 2, it is characterised in that the Type B is prefabricated
Floor member is folded type prefabricated board.
7. the unit floor of assembled flatslab construction according to claim 2, it is characterised in that the Type B is prefabricated
Floor member is " convex island " type prefabricated board.
8. the unit floor of assembled flatslab construction according to claim 2, it is characterised in that the Type B is prefabricated
The width of floor member is more than or equal to that post is wide plus the thickness sum of the precast floor unit of three times.
9. the unit floor of assembled flatslab construction according to claim 2, it is characterised in that the c-type is prefabricated
Floor member is common whole thickness type prefabricated board either folded type prefabricated board or the compound prefabricated board of close rib.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308634.3A CN107882233A (en) | 2017-12-11 | 2017-12-11 | A kind of unit floor of assembled flatslab construction |
| CN201810593076.8A CN108612245A (en) | 2017-12-11 | 2018-06-09 | A kind of unit floor of assembled flatslab construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308634.3A CN107882233A (en) | 2017-12-11 | 2017-12-11 | A kind of unit floor of assembled flatslab construction |
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| Publication Number | Publication Date |
|---|---|
| CN107882233A true CN107882233A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711308634.3A Pending CN107882233A (en) | 2017-12-11 | 2017-12-11 | A kind of unit floor of assembled flatslab construction |
| CN201810593076.8A Pending CN108612245A (en) | 2017-12-11 | 2018-06-09 | A kind of unit floor of assembled flatslab construction |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810593076.8A Pending CN108612245A (en) | 2017-12-11 | 2018-06-09 | A kind of unit floor of assembled flatslab construction |
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| Country | Link |
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| CN (2) | CN107882233A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ307905B6 (en) * | 2018-05-18 | 2019-08-07 | České vysoké učenà technické v Praze | Multi-purpose prefabricated reinforced die-less concrete column system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644662A (en) * | 2019-09-16 | 2020-01-03 | 佛山建装建筑科技有限公司 | Prefabricated flat slab composite slab based on stress and splitting method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314213B (en) * | 2014-11-07 | 2016-08-17 | 东南大学 | A kind of hollow groined slab floor of large span assembled |
| CN105064576A (en) * | 2015-08-26 | 2015-11-18 | 北京珠穆朗玛绿色建筑科技有限公司 | Prefabricated reinforced concrete composite floor slab component and assembly type floor composed of same |
| CN204919929U (en) * | 2015-08-26 | 2015-12-30 | 北京珠穆朗玛绿色建筑科技有限公司 | Precast reinforced concrete coincide floor component and assembled floor that constitutes thereof |
| CN106522552B (en) * | 2016-12-16 | 2018-09-14 | 刘祥锦 | A kind of assembled plate-column structure floor and its division methods and floor panels component |
| CN106639090A (en) * | 2016-12-22 | 2017-05-10 | 中冶京诚工程技术有限公司 | Precast assembly type engaged lightweight floor system |
| CN106930458A (en) * | 2017-04-06 | 2017-07-07 | 江西双德建筑工程有限公司 | Assembling type steel structure floor and its construction method |
-
2017
- 2017-12-11 CN CN201711308634.3A patent/CN107882233A/en active Pending
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2018
- 2018-06-09 CN CN201810593076.8A patent/CN108612245A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ307905B6 (en) * | 2018-05-18 | 2019-08-07 | České vysoké učenà technické v Praze | Multi-purpose prefabricated reinforced die-less concrete column system |
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| Publication number | Publication date |
|---|---|
| CN108612245A (en) | 2018-10-02 |
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