CN108104567A - Concrete tower longitudinal joint connection structure, method, the method for prefabricating of sheet body and concrete tower - Google Patents
Concrete tower longitudinal joint connection structure, method, the method for prefabricating of sheet body and concrete tower Download PDFInfo
- Publication number
- CN108104567A CN108104567A CN201711078074.7A CN201711078074A CN108104567A CN 108104567 A CN108104567 A CN 108104567A CN 201711078074 A CN201711078074 A CN 201711078074A CN 108104567 A CN108104567 A CN 108104567A
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- China
- Prior art keywords
- sheet body
- reinforcing bar
- socket joint
- concrete tower
- connection
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/16—Prestressed structures
Abstract
An embodiment of the present invention provides a kind of concrete tower longitudinal joint connection structure, method, the method for prefabricating of sheet body and concrete towers.The concrete tower longitudinal joint connection structure includes：Second connection reinforcing bar of at least one direct-burried in the horizontal direction in the in vivo first connection reinforcing bar of insertion piece and straight screw sleeve, at least one direct-burried in the horizontal direction in the in vivo grouting connecting tube of socket joint piece and at least one post-grouting in the horizontal direction embedment grouting connecting tube, first connection reinforcing bar and the second connection reinforcing bar are connected by straight screw sleeve, the longitudinal joint and second that are formed after insertion sheet body and the splicing of socket joint sheet body connect the gap between reinforcing bar and the grouting connecting tube, and high-strength grout is filled in the cavity collectively formed.Concrete tower longitudinal joint connection structure provided by the invention, method, the method for prefabricating of sheet body and concrete tower, it is time saving and energy saving without picking chisel steel muscle in the connection of longitudinal joint, nor concrete sheet body can be caused centainly to destroy, its structural behaviour is not influenced.
Description
Technical field
The present embodiments relate to technical field of wind power generation more particularly to a kind of concrete tower longitudinal joint connection structure,
Method, the method for prefabricating of sheet body and concrete tower.
Background technology
In recent years, with the development of land wind-powered electricity generation, enrich the relatively abundant area of area, wind energy resources for the wind energy resources of exploitation and get over
Come fewer, the construction of wind power plant progressively can utilize area and the poor area of wind energy resources to develop to wind energy resources.In order to increase hair
Electricity improves the investment return of wind power plant, can utilize area and the poor area of wind energy resources in wind energy resources, wind turbine needs higher wheel
Hub height.Since traditional steel tower drum is after hub height is more than 120m, atop a tower deformation can be increasing, so that
The service requirement for meeting wind-driven generator is increasingly difficult to, therefore concrete tower is come into being.The maximum of concrete tower is excellent
Gesture is to provide top displacement more smaller than steel tower drum.
Concrete tower is divided into full cast-in-situ steel reinforced concrete tower and prefabricated assembling type reinforced mixed in practical engineering application
Solidifying soil tower.Wherein prefabricated assembled concrete tower may can effectively ensure that product matter to be produced in batches in prefabricated processing factory
Amount shortens the project construction duration.But in order to meet the transportation clearance problem of precast concrete, concrete tower needs
It is segmented on length direction.For the tower segments being relatively large in diameter, it is also necessary to burst.The concrete component of prefabricated completion, transports wind turbine to
, it is necessary to which spelling is installed behind seat in the plane.Longitudinally connected seam between sheet body and sheet body is the key node of concrete tower design, both
It is required that stress meets fan operation requirement, and it must accomplish that constructing operation is simple and easy to do.
In the prior art, the connection method of the longitudinally connected seam between sheet body and sheet body mainly includes embedded bar connection.
Reinforcing bar bending is attached on the inside of template during concrete sheet body is prefabricated, treats concrete sheet body concreting by this method
After, form removal digs out reinforcing bar, then by bar straightening.The bar splicing of two sheet bodies, then grouting connection, such as Fig. 1 institutes
The reserved U-shaped bar connecting and the structure diagram of reserved semicircle bar connecting shown.
Inventor in the implementation of the present invention, it is found that at least there are following defects for the prior art：It needs to pick chisel steel muscle,
It is time-consuming and laborious, and concrete sheet body can be caused centainly to destroy, influence its structural behaviour.
The content of the invention
The embodiment of the present invention provides a kind of concrete tower longitudinal joint connection structure, method, the method for prefabricating and coagulation of sheet body
Native tower to realize the connection to concrete tower longitudinal joint, and need not pick chisel steel muscle, time saving and energy saving, nor can be to coagulation
Native sheet body causes centainly to destroy, and does not influence its structural behaviour.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
On the one hand, the present invention provides a kind of concrete tower longitudinal joint connection structure, including：It is at least one straight in the horizontal direction
It is embedded in the in vivo first connection reinforcing bar of insertion piece and straight screw sleeve, at least one direct-burried in the horizontal direction is in vivo in socket joint piece
The second connection reinforcing bar in connecting tube of being in the milk and at least one post-grouting in the horizontal direction embedment grouting connecting tube, described the
One connection reinforcing bar and the second connection reinforcing bar are connected by the straight screw sleeve, the insertion sheet body and the socket joint sheet body
Gap between the longitudinal joint that is formed after splicing and the second connection reinforcing bar and the grouting connecting tube, in the cavity collectively formed
It is filled with high-strength grout.
On the other hand, the present invention also provides a kind of concrete tower longitudinal joint connection method, the prefabricated internal edges of insertion piece
Horizontal direction direct-burried has the first connection reinforcing bar and straight screw sleeve, and the first connection reinforcing bar is connected with the straight screw sleeve,
Direct-burried has grouting connecting tube to prefabricated socket joint piece in the horizontal direction in vivo, the described method includes：Second connection reinforcing bar is placed
In the grouting connecting tube；The insertion sheet body and the socket joint sheet body are lifted into setting position；Described second is connected
Reinforcing bar is screwed into the straight screw sleeve；The insertion sheet body and the socket joint sheet body are inserted into mutually assembly, by described second
It connects in the reinforcing bar insertion grouting connecting tube；The longitudinal joint formed after the insertion sheet body and the socket joint sheet body assembly and institute
The gap between the second connection reinforcing bar and the grouting connecting tube is stated, high-strength grout is poured into the cavity collectively formed, by institute
It states insertion sheet body and the socket joint sheet body pours and builds up an entirety.
On the other hand, the present invention also provides a kind of concrete tower insertion sheet body method for prefabricating, including：By the first connection
After reinforcing bar is according to design requirement blanking, in one end thread locomotive filament mouth of the described first connection reinforcing bar；Described first is connected
The one end for connecing reinforcing bar is screwed into straight screw sleeve；The straight screw sleeve is fixed on insertion piece side with mating fixing bolt
In the bolt hole reserved in mould radial side；The casting concrete into the insertion sheet body side form；Unclamp the fixing bolt；It tears open
Under it is described insertion sheet body side form.
On the other hand, the present invention also provides a kind of method for prefabricating of concrete tower socket joint sheet body, including：By mating rubber
Glue plugging cap is fixed on the head end of grouting connecting tube, and the tail end of the grouting connecting tube is design of remaining silent；With mating fixation spiral shell
The rubber plugging cap is fixed in the bolt hole reserved in socket joint sheet body side form radial side by bolt；To the socket joint piece side
Casting concrete in mould；Unclamp the fixing bolt；Remove the rubber plugging cap；Remove the socket joint sheet body side form.
On the other hand, the present invention also provides a kind of concrete tower, including above-mentioned concrete tower longitudinal joint connection structure,
Sheet body and socket joint sheet body are inserted into, the insertion sheet body and the socket joint sheet body are spelled by the concrete tower longitudinal joint connection structure
It connects to form tower.
Concrete tower longitudinal joint connection structure provided by the invention, method, the method for prefabricating of sheet body and concrete tower,
When the connection to concrete tower longitudinal joint is realized in sheet body assembly, without picking chisel steel muscle, only the second connection reinforcing bar need to be screwed into straight spiral shell
Line sleeve, and after two sheet body assembly, longitudinal joint and the second connection reinforcing bar between two sheet bodies are filled with high-strength grout
It is time saving and energy saving with the gap between grouting connecting tube, nor concrete sheet body can be caused centainly to destroy, it does not influence
Its structural behaviour.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, below the special specific embodiment for lifting the present invention.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field
Technical staff will be apparent understanding.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the structure diagram for reserving U-shaped bar connecting and reserved semicircle bar connecting in the prior art；
Fig. 2 is the structure diagram of concrete tower longitudinal joint connection structure one embodiment provided by the invention；
Fig. 3 is concrete tower segments by the assembled structure diagram of two semicircle concrete sheet bodies；
Fig. 4 is the side view of concrete tower longitudinal joint connection structure shown in Fig. 3；
Fig. 5 is the flow diagram of concrete tower longitudinal joint connection method one embodiment provided by the invention；
Fig. 6 is the flow diagram of method for prefabricating one embodiment that concrete tower provided by the invention is inserted into sheet body；
Fig. 7 is the prefabricated construction structure diagram that sheet body is inserted into along A-A, B-B direction in Fig. 4；
Fig. 8 is the flow diagram of method for prefabricating one embodiment of concrete tower socket joint sheet body provided by the invention；
Fig. 9 is the prefabricated construction structure diagram along A-A, B-B direction socket joint sheet body in Fig. 4.
Reference sign：
The connections of 1- first reinforcing bar, 2- straight screw sleeves, the connections of 3- second reinforcing bar, 4- grouting connecting tube, 5- high-strength grouts,
The first keyways of 6-, the second keyways of 7-, first edges of a wing of 8-, second edges of a wing of 9-, 10- sealing strips, 11-, which overflow, starches pipe, 12- prestress holes
Road, 13- circumferential reinforcements, 14- longitudinal reinforcements, 15- fixing bolts, 16- insertion sheet bodies side form, 17- rubber plugging cap, 18- socket joints
Sheet body side form.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
Below in conjunction with the accompanying drawings to concrete tower longitudinal joint of embodiment of the present invention connection structure, method, sheet body method for prefabricating
And concrete tower is described in detail.
Embodiment one
Fig. 2 is the structure diagram of concrete tower longitudinal joint connection structure one embodiment provided by the invention.Such as Fig. 2 institutes
Show, the concrete tower longitudinal joint connection structure of the embodiment of the present invention specifically includes：At least one direct-burried in the horizontal direction is being inserted into
The in vivo first connection reinforcing bar 1 of piece and straight screw sleeve 2, at least one direct-burried in the horizontal direction connect in the in vivo grouting of socket joint piece
The second connection reinforcing bar 3 in take over 4 and at least one post-grouting in the horizontal direction embedment grouting connecting tube 4, the first connection reinforcing bar 1
It is connected with the second connection reinforcing bar 3 by straight screw sleeve 2, is inserted into the longitudinal joint and second formed after sheet body and the splicing of socket joint sheet body and connects
The gap between reinforcing bar 3 and grouting connecting tube 4 is connect, high-strength grout 5 is filled in the cavity collectively formed.
Specifically, concrete sheet body is as insertion sheet body or socket joint sheet body, it is for some longitudinal joint.For example,
For some longitudinal joint, A sheet bodies are as insertion sheet body, but for another longitudinal joint, A sheet bodies are possibly as socket joint sheet body.As shown in Figure 2
Top view, the first connection reinforcing bar 1 and 2 direct-burried of straight screw sleeve are internal in insertion piece, i.e., first connects reinforcing bar 1 and straight thread set
Cylinder 2 is during insertion sheet body is prefabricated, i.e., internal in insertion piece by concreting.4 direct-burried of connecting tube be in the milk in socket joint piece
In vivo, that is, connecting tube 4 of being in the milk is during socket joint sheet body is prefabricated, i.e., internal in socket joint piece by concreting.Second connection
In 3 post-grouting of reinforcing bar embedment grouting connecting tube 4, i.e., after prefabricated insertion sheet body and prefabricated socket joint sheet body assembly, pass through
Second connection reinforcing bar 3 is fixed in the high-strength grout 5 in grouting connecting tube 4 by grouting operation.Prefabricated insertion sheet body and
After prefabricated socket joint sheet body assembly, longitudinal joint, the second connection insertion grouting of reinforcing bar 3 are formed between the radial side of two sheet bodies
After connecting tube 4, gap is formed between the second connection reinforcing bar 3 and grouting connecting tube 4, in the sky that above-mentioned longitudinal joint and gap collectively form
The filling high-strength grout 5 of intracavitary realizes the connection of longitudinal joint between insertion sheet body and socket joint sheet body.First connection reinforcing bar 1, second connects
One end thread locomotive filament mouth of the interconnection of reinforcing bar 3 is connect, to be screwed into straight screw sleeve 2, is realized and straight screw sleeve 2
It is fixedly connected.
Fig. 3 is concrete tower segments by the assembled structure diagram of two semicircle concrete sheet bodies.Such as Fig. 3 institutes
Show, for two longitudinal joints, for the semicircle concrete sheet body on the left side as insertion sheet body, wherein direct-burried has the first connection
Reinforcing bar 1 and straight screw sleeve 2 are connected with the second connection reinforcing bar 3 on straight screw sleeve 2.For two longitudinal joints, the right
For semicircle concrete sheet body as socket joint sheet body, wherein direct-burried has grouting connecting tube 4.By two sheet body assembly, the filling in Fig. 3
Slurry, which can pour two sheet bodies, builds up a domain tower segments.
Herein it should be noted that compared with a longitudinal joint, may be provided in two sheet bodies one first connection reinforcing bar 1,
Straight screw sleeve 2, second connects reinforcing bar 3 and grouting connecting tube 4, can also different level position height be provided with multiple first
Connect reinforcing bar 1, straight screw sleeve 2, second connects reinforcing bar 3 and grouting connecting tube 4.
Further, as shown in Fig. 2, grouting connecting tube 4 is specifically as follows metal bellows, socket joint piece body concrete knot is made
Structure after structure is solidified with high-strength grout 5 forms corrugated faying face, increases the mechanical snap face of two kinds of materials, improves resistance to plucking
Power, so as to improve switching performance.
Further, as shown in Fig. 2, the first connection reinforcing bar 1 and second connects the entirety that reinforcing bar 3 is formed, insertion piece is stretched into
Body and the in vivo length of socket joint piece are respectively an anchorage length of steel bar.
Further, if compared with a longitudinal joint, different level position height is provided with multiple first in two sheet bodies
Reinforcing bar 1, the connection reinforcing bar 3 of straight screw sleeve 2, second and grouting connecting tube 4 are connected, that is, is inserted into the internal differentiated levels position of piece
Multiple first connection reinforcing bars 1 are provided with, corresponding, the internal differentiated levels position of insertion piece is provided with multiple straight screw sleeves
2, the internal differentiated levels position of socket joint piece is provided with multiple grouting connecting tubes 4 and second and connects reinforcing bars 3, then and neighbouring two
Spacing between a first connection reinforcing bar 1 could be provided as between 300 millimeters to 500 millimeters so that connect the quantity of reinforcing bar not
Thick excessive (excessive constructing operation trouble) is crossed, it is only thin very few (very few structure stress is unsatisfactory for requiring).
Further, Fig. 4 is the side view of concrete tower longitudinal joint connection structure shown in Fig. 3, as shown in figure 4, insertion
At least one first keyway 6 is provided in the radial side of sheet body, at least one is provided in the radial side of socket joint sheet body
Two keyways 7, the first keyway 6 and the second keyway 7 are arranged in pairs.That is key is respectively arranged in the opposite radial side of two sheet bodies
Slot so that present concavo-convex in the opposite radial side of two sheet bodies, form machinery with 5 structure of high-strength grout after solidification and sting
Cooperation is used, so as to increase integrally-built longitudinal shear resistance ability.
Further, the depth of the first keyway 6 and/or the second keyway 7 specifically could be provided as 25 millimeters to 35 millimeters it
Between, such as 30 millimeters.
Further, if the internal differentiated levels position of insertion piece is provided with multiple first connection reinforcing bars 1, it is inserted into sheet body
Radial side on be provided with multiple first keyways 6, multiple first connection reinforcing bars 1 and multiple first keyways 6 are in a longitudinal direction
It is arranged alternately.When the connection reinforcing bar and keyway that i.e. two pieces are set in vivo are multiple, the position relationship of reinforcing bar and keyway is connected
It is as follows：A keyway is arranged between each two connection reinforcing bar, i.e. keyway and connection reinforcing bar is arranged alternately in a longitudinal direction.
Further, as shown in Fig. 2, when pouring into high-strength grout 5 in the cavity formed after two sheet bodies splicings, in order to
No longer supporting module, the interior outside for being inserted into the radial side of sheet body are respectively arranged with first edge of a wing 8, the radial side of socket joint sheet body
Interior outside be respectively arranged with second edge of a wing 9, after being inserted into sheet body and the splicing of socket joint sheet body, between first edge of a wing 8 and second edge of a wing 9
Gap (such as 10 millimeters gap) is left, sealing strip 10, i.e., the interior outside of the radial side of two sheet bodies are packed in gap
It is both provided with the edge of a wing, the gap between the edge of a wing is packed with sealing strip 10, spillage when avoiding grouting.Wherein, sealing strip 10 specifically may be used
Think foam rods etc..
Further, as shown in Fig. 2, being provided with the slurry pipe 11 that overflows in the top sidewall of grouting 4 tail end of connecting tube, overflow slurry pipe 11
Outlet be arranged on the lateral wall of socket joint sheet body, on the one hand convenient for see whether overflow slurry and operation (with rubber plugging cap block
Overflow and starch the outlet of pipe 11), the slurry pipe 11 that on the other hand overflows also acts as the effect of exhaust, and grouting is sufficiently flowed into beneficial to high-strength grout 5
In connecting tube 4.
Further, the first connection reinforcing bar 1, straight screw sleeve 2, grouting connecting tube 4 and second connect reinforcing bar 3 and can specifically set
The outside (being shown in Fig. 2 by taking outside as an example) and/or inside of the prestressed pore passage 12 of tower wall inner portion are placed in, that is, connects reinforcing bar
The outside of the prestressed pore passage 12 of tower wall inner portion or each setting one in inside or interior outside are may be disposed at, to avoid connection steel
Muscle is interfered with prestressed pore passage 12.
Further, as shown in Fig. 2, since the outer edge in concrete tower wall thickness direction is provided with circumferential reinforcement
13 and longitudinal reinforcement 14, it is a thickness of concrete cover apart from tower wall, to avoid connection reinforcing bar and tower wall thickness
The circumferential reinforcement 13 and longitudinal reinforcement 14 of the outer edge in direction are interfered, the first connection reinforcing bar 1, straight screw sleeve 2, grouting connection
The connection reinforcing bar 3 of pipe 4 and second, which should try one's best, is arranged at the middle part in tower wall thickness direction, that is, connects reinforcing bar and is arranged at tower as far as possible
The middle part in wall thickness direction.Herein it should be noted that circumferential reinforcement 13 is not used, which to be used as, connects reinforcing bar, and the in addition company of arrangement
The reason for connecing reinforcing bar is：Circumferential reinforcement 13 is a thickness of concrete cover apart from tower wall, and tower sheet body group is to splicing
When, tower thickness direction does not have enough space layout grouting connecting tubes 4.
The concrete tower longitudinal joint connection structure of the embodiment of the present invention, in the assembled realization of sheet body to concrete tower longitudinal joint
During connection, without picking chisel steel muscle, only the second connection reinforcing bar need to be screwed into straight screw sleeve, and after two sheet body assembly, with height
Strength grouting material fills the gap between longitudinal joint and the second connection reinforcing bar and connecting tube of being in the milk between two sheet bodies, time saving
It is laborsaving, nor concrete sheet body can be caused centainly to destroy, its structural behaviour is not influenced.
Embodiment two
Fig. 5 is the flow diagram of concrete tower longitudinal joint connection method one embodiment provided by the invention.The present invention
The concrete tower longitudinal joint connection method of embodiment is prefabricated for two in the concrete tower longitudinal joint connection structure of embodiment one
The assembled connection construction method of good sheet body.As shown in figure 5, the concrete tower longitudinal joint connection method of the embodiment of the present invention is specific
Comprise the following steps：
Second connection reinforcing bar is placed in grouting connecting tube by S501.
Insertion sheet body and socket joint sheet body are lifted into setting position by S502.
Second connection reinforcing bar is screwed into straight screw sleeve by S503.
Insertion sheet body and socket joint sheet body are inserted into mutually assembly by S504, will be in the second connection reinforcing bar insertion grouting connecting tube.
S505, after insertion sheet body and socket joint sheet body assembly the longitudinal joint that is formed and the second connection reinforcing bar and grouting connecting tube it
Between gap, pour into high-strength grout in the cavity collectively formed, insertion sheet body and socket joint sheet body poured and build up an entirety.
Specifically, direct-burried has the first connection reinforcing bar and straight screw sleeve to prefabricated insertion piece in the horizontal direction in vivo, the
One connection reinforcing bar is connected with straight screw sleeve, and direct-burried has grouting connecting tube to prefabricated socket joint piece in the horizontal direction in vivo.Wherein,
The prefabricated construction process of insertion sheet body and socket joint sheet body can be found in the associated description in example below three, four, no longer superfluous herein
It states.
In order to facilitate lifting group pair, the second connection reinforcing bar can first be not threaded into straight screw sleeve, but be previously positioned at and hold
In the grouting connecting tube of sheet-insert body.Be inserted into sheet body and socket joint sheet body be lifted into setting position it is basic it is in place after, it is intermediate also big
During the operating space of about 200 millimeters, then connect reinforcing bar by second and be screwed into corresponding straight screw sleeve.Will insertion sheet body and
Socket joint sheet body is inserted into mutually assembly, will be in the second connection reinforcing bar insertion grouting connecting tube.It is assembled in insertion sheet body and socket joint sheet body
Gap between the longitudinal joint formed afterwards and the second connection reinforcing bar and connecting tube of being in the milk, pours into high-strength grouting in the cavity collectively formed
Insertion sheet body and socket joint sheet body are poured and build up an entirety by material, realize the connection of longitudinal joint between two sheet bodies.
Herein it should be noted that two sheet body groups are to rear, the different shim liner of thickness can be added by bottom come accurate
Adjust the relative position of two sheet bodies.In addition, if pre-buried straight thread casing 2, the grouting positioning of connecting tube 4 are run into there are error,
Second connection reinforcing bar 3 micro-bend can be handled, to meet the be connected with straight thread casing 2 second connection insertion grouting connection of reinforcing bar 3
In pipe 4.
Further, when pouring into high-strength grout 5 in the cavity formed after two sheet bodies splicings, in order to no longer install mould
Plate, first edge of a wing can be respectively arranged with by being inserted into the interior outside of the radial side of sheet body, the radial side of socket joint sheet body it is inside and outside
Side can be respectively arranged with second edge of a wing.It is corresponding, before step S504, it can also comprise the following steps：Sealing strip is pasted
On first edge of a wing of insertion sheet body and second edge of a wing of socket joint sheet body.
Corresponding, step S505 specifically may comprise steps of：In insertion sheet body, socket joint sheet body and the common structure of sealing strip
Into cavity in pour into high-strength grout.
Further, the slurry pipe that overflows can be provided in the top sidewall of connecting tube tail end of being in the milk, the outlet for the slurry pipe that overflows is set
On the lateral wall of socket joint sheet body, on the one hand (going out for the slurry pipe that overflows is blocked with rubber plugging cap convenient for seeing whether to overflow to starch and operate
Mouthful), the slurry pipe that on the other hand overflows also acts as the effect of exhaust, is sufficiently flowed into beneficial to high-strength grout in grouting connecting tube.It is corresponding,
The concrete tower longitudinal joint connection method of the embodiment of the present invention can also comprise the following steps：High-strength grout is poured into cavity
During, when the outlet for the slurry pipe that overflows has high-strength grout persistently to flow out, the slurry pipe that overflows is blocked with mating rubber plugging cap
Outlet.Due to gravity, high-strength grout can be from longitudinal joint bottom up successively from the outlet outflow of excessive slurry pipe.
Multiple sheet bodies are mutually assembled, grouting forms domain tower segments, and after multiple domain tower segments are completed, lifting is folded successively
Put into final concrete tower.The last lifting for completing top fan assembly again.
The concrete tower longitudinal joint connection method of the embodiment of the present invention, in the assembled realization of sheet body to concrete tower longitudinal joint
During connection, without picking chisel steel muscle, only the second connection reinforcing bar need to be screwed into straight screw sleeve, and after two sheet body assembly, with height
Strength grouting material fills the gap between longitudinal joint and the second connection reinforcing bar and connecting tube of being in the milk between two sheet bodies, time saving
It is laborsaving, nor concrete sheet body can be caused centainly to destroy, its structural behaviour is not influenced.
Embodiment three
Fig. 6 is the flow diagram of method for prefabricating one embodiment that concrete tower provided by the invention is inserted into sheet body.
The method for prefabricating of the concrete tower insertion sheet body of the embodiment of the present invention is the concrete tower longitudinal joint connection structure of embodiment one
In insertion sheet body precast construction method.As shown in fig. 6, the prefabricated side of the concrete tower insertion sheet body of the embodiment of the present invention
Method specifically includes following steps：
S601, after connecting reinforcing bar according to design requirement blanking by first, in one end thread locomotive of the first connection reinforcing bar
Filament mouth.
One end of first connection reinforcing bar is screwed into straight screw sleeve by S602.
Straight screw sleeve is fixed on the spiral shell reserved in insertion sheet body side form radial side with mating fixing bolt by S603
In keyhole.
S604, the casting concrete into insertion sheet body side form.
S605 unclamps fixing bolt.
S606 removes insertion sheet body side form.
Specifically, Fig. 7 is the prefabricated construction structure diagram that sheet body is inserted into along A-A, B-B direction in Fig. 4.Such as Fig. 7 institutes
The top view shown, after connecting reinforcing bar 1 according to design requirement blanking by first, in one end thread locomotive of the first connection reinforcing bar 1
Filament mouth.One end of first connection reinforcing bar 1 is screwed into straight screw sleeve 2.With mating fixing bolt 15 by straight screw sleeve 2
It is fixed in the bolt hole reserved in 16 radial side of insertion sheet body side form, while first be threadedly coupled with straight screw sleeve 2
Connection reinforcing bar 1 is also fixed.The casting concrete into insertion sheet body side form 16.Unclamp fixing bolt 15.Remove insertion sheet body
Side form 16.
By more than work progress, direct-burried has the first connection reinforcing bar in the horizontal direction in prefabricated concrete insertion sheet body
1 and straight screw sleeve 2, the first connection reinforcing bar 1 and straight screw sleeve 2 connect.
The method for prefabricating of the concrete tower insertion sheet body of the embodiment of the present invention, in precast concrete tower insertion sheet body
In the process, stay in advance and set the first connection reinforcing bar and straight screw sleeve, then casting concrete completes concrete tower insertion sheet body
Prefabricated construction process, for subsequent concrete tower longitudinal joint connection provide the foundation.
Example IV
Fig. 8 is the flow diagram of method for prefabricating one embodiment of concrete tower socket joint sheet body provided by the invention.
The method for prefabricating of the concrete tower socket joint sheet body of the embodiment of the present invention is the concrete tower longitudinal joint connection structure of embodiment one
In socket joint sheet body precast construction method.As shown in figure 8, the prefabricated side of the concrete tower socket joint sheet body of the embodiment of the present invention
Method specifically includes following steps：
Mating rubber plugging cap, is fixed on the head end of grouting connecting tube by S801, and the tail end for connecting tube of being in the milk is to remain silent
Design.
Rubber plugging cap is fixed on the spiral shell reserved in socket joint sheet body side form radial side with mating fixing bolt by S802
In keyhole.
S803, the casting concrete into socket joint sheet body side form.
S804 unclamps fixing bolt.
S805 removes rubber plugging cap.
S806 removes socket joint sheet body side form.
Specifically, Fig. 9 is the prefabricated construction structure diagram along A-A, B-B direction socket joint sheet body in Fig. 4.Such as Fig. 9 institutes
Mating rubber plugging cap 17, is fixed on the head end of grouting connecting tube 4 by the top view shown, and the tail end of grouting connecting tube 4 is to close
Mouth design.Rubber plugging cap 17 is fixed on to the spiral shell reserved in 18 radial side of socket joint sheet body side form with mating fixing bolt 15
In keyhole, while the grouting connecting tube 4 being connected with rubber plugging cap 17 is also fixed.Coagulation is poured into socket joint sheet body side form
Soil.Unclamp fixing bolt 15.Remove rubber plugging cap.Remove socket joint sheet body side form 18.
By more than work progress, direct-burried has grouting connecting tube 4 to prefabricated concrete socket joint sheet body in the horizontal direction.
Further, as shown in figure 9, the slurry pipe 11 that overflows can be provided in the top sidewall of grouting 4 tail end of connecting tube.It is corresponding
, before step S803, it can also comprise the following steps：The outlet of excessive slurry pipe 11 is connected to the inner wall of socket joint sheet body side form 18
On fix.
The method for prefabricating of the concrete tower socket joint sheet body of the embodiment of the present invention, in precast concrete tower socket joint sheet body
In the process, stay in advance and set grouting connecting tube, then casting concrete completes the prefabricated construction process of concrete tower socket joint sheet body,
It provides the foundation for the connection of subsequent concrete tower longitudinal joint.
Embodiment five
The concrete tower of the embodiment of the present invention include embodiment one shown in concrete tower longitudinal joint connection structure, insertion
Sheet body and socket joint sheet body, are inserted into sheet body and socket joint sheet body is spliced to form tower by concrete tower longitudinal joint connection structure.
Specifically, the structure of the concrete tower of the embodiment of the present invention, connection method, method for prefabricating for details, reference can be made to it is above-mentioned
Associated description in embodiment one to four, details are not described herein again.
The concrete tower of the embodiment of the present invention, in connection of the assembled realization of sheet body to concrete tower longitudinal joint, without
Chisel steel muscle is picked, only the second connection reinforcing bar straight screw sleeve need to be screwed into, and after two sheet body assembly, be filled with high-strength grout
The gap between longitudinal joint and the second connection reinforcing bar and connecting tube of being in the milk between two sheet bodies, it is time saving and energy saving, and
Concrete sheet body will not be caused centainly to destroy, not influence its structural behaviour.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (18)
1. a kind of concrete tower longitudinal joint connection structure, which is characterized in that including：At least one direct-burried in the horizontal direction is being inserted into
The in vivo first connection reinforcing bar of piece and straight screw sleeve, at least one direct-burried in the horizontal direction are in the in vivo grouting connection of socket joint piece
The second connection reinforcing bar in pipe and at least one post-grouting in the horizontal direction embedment grouting connecting tube, the first connection steel
Muscle and the second connection reinforcing bar are connected by the straight screw sleeve, shape after the insertion sheet body and socket joint sheet body splicing
Into longitudinal joint and the second connection reinforcing bar and the grouting connecting tube between gap, be filled with height in the cavity collectively formed
Strength grouting material.
2. concrete tower longitudinal joint connection structure according to claim 1, which is characterized in that the grouting connecting tube is gold
Belong to bellows.
3. concrete tower longitudinal joint connection structure according to claim 1, which is characterized in that it is described first connection reinforcing bar and
The entirety that the second connection reinforcing bar is formed, it is respectively a steel to stretch into the insertion sheet body and the in vivo length of socket joint piece
Muscle anchorage length.
4. concrete tower longitudinal joint connection structure according to claim 1, which is characterized in that the insertion piece is different in vivo
Level height position is provided with multiple first connection reinforcing bars, neighbouring two described first spacing connected between reinforcing bar
It is arranged between 300 millimeters to 500 millimeters.
5. concrete tower longitudinal joint connection structure according to claim 1, which is characterized in that the radial direction of the insertion sheet body
At least one first keyway is provided on side, at least one second keyway is provided in the radial side of the socket joint sheet body,
First keyway and second keyway are arranged in pairs.
6. concrete tower longitudinal joint connection structure according to claim 5, which is characterized in that first keyway and/or
The depth of second keyway is arranged between 25 millimeters to 35 millimeters.
7. concrete tower longitudinal joint connection structure according to claim 5, which is characterized in that the insertion piece is different in vivo
Level height position is provided with multiple first connection reinforcing bars, is provided in the radial side of the insertion sheet body multiple described
First keyway, multiple first connection reinforcing bars and multiple first keyways are arranged alternately in a longitudinal direction.
8. concrete tower longitudinal joint connection structure according to claim 1, which is characterized in that the radial direction of the insertion sheet body
The interior outside of side is respectively arranged with first edge of a wing, and the interior outside of the radial side of the socket joint sheet body is respectively arranged with second wing
After edge, the insertion sheet body and socket joint sheet body splicing, gap is left between first edge of a wing and second edge of a wing, institute
It states and sealing strip is packed in gap.
9. concrete tower longitudinal joint connection structure according to claim 1, which is characterized in that the grouting connecting tube tail end
Top sidewall on be provided with overflow slurry pipe, it is described it is excessive slurry pipe outlet be arranged on the lateral wall of the socket joint sheet body.
10. concrete tower longitudinal joint connection structure according to claim 1, which is characterized in that the first connection reinforcing bar,
The straight screw sleeve, the grouting connecting tube and the second connection steel-bar arrangement are in the prestressed pore passage of tower wall inner portion
Outside and/or inside.
11. concrete tower longitudinal joint connection structure according to claim 1, which is characterized in that the first connection reinforcing bar,
The straight screw sleeve, the grouting connecting tube and the second connection steel-bar arrangement are in the middle part in tower wall thickness direction.
A kind of 12. concrete tower longitudinal joint connection method, which is characterized in that prefabricated insertion piece direct-burried in the horizontal direction in vivo
There are the first connection reinforcing bar and straight screw sleeve, the first connection reinforcing bar is connected with the straight screw sleeve, prefabricated socket joint
Direct-burried has grouting connecting tube to piece in the horizontal direction in vivo, the described method includes：
Second connection reinforcing bar is placed in the grouting connecting tube；
The insertion sheet body and the socket joint sheet body are lifted into setting position；
Described second connection reinforcing bar is screwed into the straight screw sleeve；
The insertion sheet body and the socket joint sheet body are inserted into mutually assembly, the described second connection reinforcing bar insertion grouting is connected
In taking over；
The longitudinal joint and the second connection reinforcing bar that are formed after the insertion sheet body and the socket joint sheet body assembly and the grouting
Gap between connecting tube pours into high-strength grout in the cavity collectively formed, by the insertion sheet body and the socket joint sheet body
It pours and builds up an entirety.
13. concrete tower longitudinal joint connection method according to claim 12, which is characterized in that the footpath of the insertion sheet body
Sideways interior outside is respectively arranged with first edge of a wing, and the interior outside of the radial side of the socket joint sheet body is respectively arranged with second
The edge of a wing, described by the insertion sheet body and before the socket joint sheet body is inserted into assembly mutually, the method further includes：
Sealing strip is pasted on first edge of a wing of the insertion sheet body and second edge of a wing of the socket joint sheet body；
The longitudinal joint that is formed after the insertion sheet body and the socket joint sheet body assembly and the second connection reinforcing bar with it is described
Gap between connecting tube of being in the milk pours into high-strength grout in the cavity collectively formed, including：
The high-strength grouting is poured into the cavity collectively formed in the insertion sheet body, the socket joint sheet body and the sealing strip
Material.
14. concrete tower longitudinal joint connection method according to claim 12, which is characterized in that the grouting connecting tube tail
The slurry pipe that overflows is provided in the top sidewall at end, the outlet of the excessive slurry pipe is arranged on the lateral wall of the socket joint sheet body, described
Method further includes：
During the high-strength grout is poured into cavity, when the outlet of the excessive slurry pipe has the high-strength grout to continue
During outflow, the outlet of the excessive slurry pipe is blocked with mating rubber plugging cap.
15. a kind of method for prefabricating of concrete tower insertion sheet body, which is characterized in that including：
After connecting reinforcing bar according to design requirement blanking by first, in one end thread locomotive wire vent of the described first connection reinforcing bar
Mouthful；
One end of described first connection reinforcing bar is screwed into straight screw sleeve；
The straight screw sleeve is fixed on to the bolt hole reserved in insertion sheet body side form radial side with mating fixing bolt
It is interior；
The casting concrete into the insertion sheet body side form；
Unclamp the fixing bolt；
Remove the insertion sheet body side form.
16. a kind of method for prefabricating of concrete tower socket joint sheet body, which is characterized in that including：
Mating rubber plugging cap is fixed on to the head end of grouting connecting tube, the tail end of the grouting connecting tube is design of remaining silent；
The rubber plugging cap is fixed on to the bolt hole reserved in socket joint sheet body side form radial side with mating fixing bolt
It is interior；
The casting concrete into the socket joint sheet body side form；
Unclamp the fixing bolt；
Remove the rubber plugging cap；
Remove the socket joint sheet body side form.
17. method for prefabricating according to claim 16, which is characterized in that in the top sidewall of the grouting connecting tube tail end
The slurry pipe that overflows is provided with, described into the socket joint sheet body side form before casting concrete, the method for prefabricating further includes：
The outlet of the excessive slurry pipe is connected on the inner wall of the socket joint sheet body side form and is fixed.
18. a kind of concrete tower, which is characterized in that connect including any concrete tower longitudinal joint of claim 1 to 11
Binding structure, insertion sheet body and socket joint sheet body, the insertion sheet body and the socket joint sheet body are connected by the concrete tower longitudinal joint
Binding structure is spliced to form tower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711078074.7A CN108104567B (en) | 2017-11-06 | 2017-11-06 | Concrete tower drum longitudinal joint connecting structure and method, prefabricating method of sheet body and concrete tower drum |
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|---|---|---|---|
| CN201711078074.7A CN108104567B (en) | 2017-11-06 | 2017-11-06 | Concrete tower drum longitudinal joint connecting structure and method, prefabricating method of sheet body and concrete tower drum |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322793A (en) * | 2018-12-03 | 2019-02-12 | 重庆大学 | A kind of full assembled concrete-filled double skin steel tube combination tower and node |
| CN109577452A (en) * | 2018-11-22 | 2019-04-05 | 东南大学 | Reinforce the prefabricated pipe section structure and its assembled reinforcement means of subdrainage box drain |
| CN109968518A (en) * | 2019-04-30 | 2019-07-05 | 中船重工海为郑州高科技有限公司 | A kind of precast concrete tower connector |
| CN110410278A (en) * | 2019-08-16 | 2019-11-05 | 上海市机电设计研究院有限公司 | The internal outer connecting device of the prefabricated ring plate of wind-power tower |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767303A (en) * | 2012-07-13 | 2012-11-07 | 北京金风科创风电设备有限公司 | Precast concrete tower and construction method thereof |
| CN103967719A (en) * | 2014-04-01 | 2014-08-06 | 北京金风科创风电设备有限公司 | Connecting structure of precast concrete tower shell ring and tower barrel using same |
| CN205805832U (en) * | 2016-05-27 | 2016-12-14 | 湖南锦峰钢结构工程有限公司 | Wind-power tower |
| CN106438214A (en) * | 2016-10-08 | 2017-02-22 | 霍尔果斯新国金新能源科技有限公司 | Tower drum used for wind driven generator |
| CN106626008A (en) * | 2016-10-08 | 2017-05-10 | 霍尔果斯新国金新能源科技有限公司 | Mold for wind driven generator concrete tower drum duct piece |
| CN206221159U (en) * | 2016-10-08 | 2017-06-06 | 霍尔果斯新国金新能源科技有限公司 | Tower component |
-
2017
- 2017-11-06 CN CN201711078074.7A patent/CN108104567B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767303A (en) * | 2012-07-13 | 2012-11-07 | 北京金风科创风电设备有限公司 | Precast concrete tower and construction method thereof |
| CN103967719A (en) * | 2014-04-01 | 2014-08-06 | 北京金风科创风电设备有限公司 | Connecting structure of precast concrete tower shell ring and tower barrel using same |
| CN205805832U (en) * | 2016-05-27 | 2016-12-14 | 湖南锦峰钢结构工程有限公司 | Wind-power tower |
| CN106438214A (en) * | 2016-10-08 | 2017-02-22 | 霍尔果斯新国金新能源科技有限公司 | Tower drum used for wind driven generator |
| CN106626008A (en) * | 2016-10-08 | 2017-05-10 | 霍尔果斯新国金新能源科技有限公司 | Mold for wind driven generator concrete tower drum duct piece |
| CN206221159U (en) * | 2016-10-08 | 2017-06-06 | 霍尔果斯新国金新能源科技有限公司 | Tower component |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577452A (en) * | 2018-11-22 | 2019-04-05 | 东南大学 | Reinforce the prefabricated pipe section structure and its assembled reinforcement means of subdrainage box drain |
| CN109577452B (en) * | 2018-11-22 | 2023-12-01 | 东南大学 | Prefabricated segment structure for reinforcing underground drainage square ditch and assembly type reinforcing method thereof |
| CN109322793A (en) * | 2018-12-03 | 2019-02-12 | 重庆大学 | A kind of full assembled concrete-filled double skin steel tube combination tower and node |
| CN109968518A (en) * | 2019-04-30 | 2019-07-05 | 中船重工海为郑州高科技有限公司 | A kind of precast concrete tower connector |
| CN110410278A (en) * | 2019-08-16 | 2019-11-05 | 上海市机电设计研究院有限公司 | The internal outer connecting device of the prefabricated ring plate of wind-power tower |
| CN111576984A (en) * | 2020-05-12 | 2020-08-25 | 福建龙岩方圆水泥制品有限公司 | Manufacturing process of electric pole with strong stability |
| CN112302881A (en) * | 2020-09-15 | 2021-02-02 | 重庆大学 | Precast concrete pipe sheet connecting structure for steel-concrete tower cylinder |
| CN113027692A (en) * | 2021-03-10 | 2021-06-25 | 重庆大学 | Inner ring prestress assembled UHPC tower barrel section for wind power structure |
| CN113027692B (en) * | 2021-03-10 | 2022-05-17 | 重庆大学 | Inner ring prestress assembled UHPC tower barrel section for wind power structure |
| WO2023045157A1 (en) * | 2021-09-27 | 2023-03-30 | 北京天杉高科风电科技有限责任公司 | Tower tube section, tower frame, wind turbine generator set, mold, and forming method |
| CN114439302A (en) * | 2022-01-30 | 2022-05-06 | 上海风领新能源有限公司 | Polygonal tower drum and construction method thereof |
| WO2023142876A1 (en) * | 2022-01-30 | 2023-08-03 | 上海风领新能源有限公司 | Polygonal tower and construction method therefor |
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