CN106958259B - A kind of concrete towers column foundation and its construction method - Google Patents
A kind of concrete towers column foundation and its construction method Download PDFInfo
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- CN106958259B CN106958259B CN201710373190.5A CN201710373190A CN106958259B CN 106958259 B CN106958259 B CN 106958259B CN 201710373190 A CN201710373190 A CN 201710373190A CN 106958259 B CN106958259 B CN 106958259B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1692—Shapes conical or convex
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Abstract
A kind of box-shaped concrete towers column foundation and its construction method, the basis include: sole plate, and sole plate is concrete slab, are placed on ground and are rigidly connected with ground.Basal core column, basal core column are concrete column, are placed on sole plate and are rigidly connected with sole plate.Wallboard core, wallboard core are concrete panel, are placed on sole plate and are rigidly connected with sole plate, basal core column one circle of surrounding setting and using basal core column as the center of circle radially radial arrangement and quantity at least 3.Outer curtain wall penel, outer curtain wall penel are concrete panel, are placed on sole plate and are rigidly connected with sole plate.Base roof plate, base roof plate are concrete slab, are placed on basal core column, wallboard core and outer curtain wall penel.The present invention can significantly reduce the synthesis construction cost on king-post basis.
Description
Technical field
The present invention relates to a kind of concrete towers column foundation and its construction methods.
Background technique
Most of entity that is all made of shows at present on the king-post basis of wind generator tower, signal of communication tower and iron tower of power transmission line
Spread foundation (the cast-in-place foundation pattern of entity) is poured, monolithic concrete material utilization amount is very big, when basis is constructional reinforcement substantially,
The amount of reinforcement still substantially needed beyond actual loading, waste of material are serious.In addition, after the completion of the cast-in-place spread foundation of entity is cast-in-place
It needs to conserve for a long time, just can be carried out the installation of king-post or pylon after base concrete reaches some strength, but each
The foundation engineering and king-post of a king-post or pylon or installing engineering amount all very littles of pylon, so causing the engineering of very little but still
The construction period for so needing to grow very much.If carrying out prefabricated and then on-site hoisting basis again to the cast-in-place spread foundation of traditional entity,
The too high problem of transportation cost and hoisting cost is faced, and since king-post educational informatization is often more than transportable limit
High, limit for width, cause it is prefabricated after the completion of can not transport engineering site at all.
Summary of the invention
The object of the present invention is to provide a kind of box-shaped concrete towers column foundation and its construction methods, to solve wind-driven generator
King-post, the technical problem that signal of communication king-post and the waste of transmission line tower basic material are serious, synthesis construction cost is high.
To achieve the above object, the present invention adopts the following technical scheme: a kind of box-shaped concrete towers column foundation, feature exist
In, comprising:
Sole plate, sole plate are concrete slab.
Basal core column, basal core column are concrete column, are placed on sole plate and rigidly connect with sole plate
It connects.
Wallboard core, wallboard core are concrete panel, are placed on sole plate and are rigidly connected with sole plate,
It is also rigidly connected with basal core column simultaneously, encloses in the surrounding setting one of basal core column and is with basal core column
Radially radial arrangement and quantity at least three pieces, wallboard core and basal core column together form basal core in the center of circle
Structure.
Outer curtain wall penel, outer curtain wall penel are concrete panel, are placed on sole plate and are rigidly connected with sole plate,
It is also rigidly connected with wallboard core simultaneously, be arranged in around basal core structure, by basal core structure be trapped among it is intermediate,
Form the wall body structure of peripheral containment.
Base roof plate, base roof plate are concrete slab, are placed on basal core column, wallboard core and outer curtain wall penel
On, and be rigidly connected with basal core column, wallboard core and outer curtain wall penel.
Preferably, the base roof plate is big, thick with outer curtain wall penel connecting portion with basal core column connecting portion thickness
Spend small pyramid pattern or cone pattern.
Preferably, the wallboard core is big, thick with perimeter walls connecting portion with basal core column connecting portion thickness
Spend small trapezoid cross section pattern.
Preferably, the box-shaped concrete towers column foundation center is high, surrounding is short.
Preferably, the upper surface that the upper end of the basal core column is upward through base roof plate, is higher by base roof plate.
Preferably, the sole plate is precast slab, and basal core column is precast concrete column, and wallboard core is
Precast concrete wall panel, outer curtain wall penel are precast concrete wall panel, and base roof plate is precast slab.
Preferably, it is connected between the sole plate and basal core column, wallboard core using grout sleeve, grout sleeve
It is reserved in the bottom of basal core column and the bottom of wallboard core.
Preferably, it is connected or used between the base roof plate and basal core column, wallboard core using reserved grouting seam
It is connected after set aside pre-embedded part with steel member.
Preferably, the outer curtain wall penel is connect with sole plate using grout sleeve, and grout sleeve is reserved in outer curtain wall penel
Bottom；Connected after connecting or using set aside pre-embedded part using reserved grouting seam between outer curtain wall penel and base roof plate with steel member
It connects；It is connected after connecting or using set aside pre-embedded part using reserved grouting seam between outer curtain wall penel and wallboard core with steel member.
Preferably, the basal core column and wallboard core are an integrated Integral prefabricated component；Either basis
Core column and wallboard core are respectively independent prefabricated components, are connected between basal core column and wallboard core using reserved grouting seam
It connects or is connected using after set aside pre-embedded part with steel member.
A kind of construction method of box-shaped concrete towers column foundation, it is characterised in that steps are as follows: Step 1: on king-post basis
Design position lifts sole plate；Step 2: lifting basal core column in design position, basal core column passes through with sole plate
Reserved grout sleeve connection；Step 3: lifting wallboard core, wallboard core and basal core column form basal core structure, core
The place that core-wall plate intersects with basal core column is connected by reserved splicing seams, cast in situs strength cement-based grouting material, wallboard core
It reserves grout sleeve and is connect with sole plate in lower part；Step 4: the outer curtain wall penel of lifting, outer curtain wall penel and wallboard core intersection location
Reserved splicing seams connect integral, the reserved grouting in outer curtain wall penel bottom by cast in situs strength cement-based grouting material with wallboard core
Sleeve connect integral with sole plate；Step 5: dense timber is matched in filling in the box-shaped enclosure space of basal core inside configuration
After expecting at wallboard core absolute altitude, base roof plate, base roof plate and all wallboard cores, outer curtain wall penel and basal core column are lifted
Intersection location reserves splicing seams, cast in situs pea gravel concreten or strength cement-based grouting material and all wallboard cores, outer curtain wall penel and
The connection of basal core column is integral；Step 6: tensioning basal core column vertical prestressing.
Compared with prior art the invention has the characteristics that and the utility model has the advantages that
Advantages of the present invention one is reduction of the material utilization amount on king-post basis, utilizes the strength of materials to greatest extent, reduces
The comprehensive cost on basis.
The cast-in-place spread foundation bulky of the entity of traditional concrete, weight is also very big, monolithic concrete material utilization amount
It is very big, when basis is constructional reinforcement substantially, still substantially exceed the amount of reinforcement that actual loading needs, waste of material is serious.It adopts
Concrete amount, the amount of reinforcement on entire basis can be greatly lowered with box foundation of the invention, engineering is greatly saved
Overall cost.The digging in-situ earthwork, the counterweight and the cast-in-place extension of entity of mass-type foundation can be backfilled in the box cavity of box foundation
It is basic suitable, the anti-overturning energy on basis is not influenced.Simultaneously because the earthwork that excavation of foundation pit goes out largely all backfills Hui Ji again
Plinth significantly reduces the project amount of dregs outward transport, saves the synthesis construction cost on basis.
Advantages of the present invention two, which is to invent, a kind of can be used prefabricated, industrialized production towering tower column structure basis.
The king-post basis of traditional wind-driven generator king-post, signal of communication king-post and transmission line tower have bear it is axial
Pressure is smaller, while bearing the larger feature of moment of flexure, under the effect of such special load, causes king-post foundation's bottom area larger,
So the area of the cast-in-place spread foundation of entity is generally all very big, and it cannot be directly prefabricated, even if prefabricated, also face oversized cause
Transport difficult even the problem of can not transporting.And box foundation of the invention can simply split into be particularly suitable for it is prefabricated small
Dimension plane wall plate member, the lesser wall plate member of size are readily transported.First in factory's precast block, then transports to engineering and build
If place assembly is integral, the king-post basis that assembly is completed has whole loading characteristic, it can be achieved that with the cast-in-place spread foundation of entity
Identical structure function.
Advantages of the present invention three is significantly to reduce the construction period on various king-post bases.
A system such as assembling reinforcement, casting concrete, concrete curing is needed in the work progress of the cast-in-place spread foundation of entity
Column process, and these three processes in work progress occupy 80% or more of entire foundation construction period, simultaneously because scene is existing
It is long to pour working procedure, is influenced in construction period by construction site weather condition more serious.And the present invention is prefabricated using modularization
Base form, these three working procedures can be transferred to pre-fabricated factory, can be same with other working procedures of construction site
Step carries out, or even prefabricated in advance, significantly compresses the construction period of construction site, and reduces in work progress weather condition to applying
The influence of work progress.
Advantages of the present invention four is reduction of the prefabricated component weight on king-post basis, convenient transportation.
The cast-in-place spread foundation bulky of the entity of concrete, weight is very big, if being changed to prefabricated, transportation cost is high,
Therefore precast assembly scheme is very uneconomical, and the present invention designs integral box-structure, and using the modularization of high-strength concrete
Prefabricated components, can be greatly lowered the concrete amount on entire basis, and then reduce the weight of prefabricated components, so facilitating fortune
Engineering overall cost is greatly saved in defeated and on-site hoisting.
The present invention is that one kind can save material utilization amount, and comprehensive construction cost is low, and prefabricated, industrialized production skill can be used
Art, structural system form globality using the big feature of the integral stiffness of box structure form using whole box-structure
The very big foundation structure of rigidity, after original solid foundation is become box structure, most of space of original base becomes
The hollow sectors of box foundation, therefore base concrete dosage can be significantly saved, while not reducing the overall stiffness on basis.
Simultaneously because the earthwork that excavation of foundation pit goes out largely all backfills go back to basis again, the project amount of dregs outward transport is significantly reduced,
Save the synthesis construction cost on basis.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is the stereoscopic schematic diagram of box-shaped concrete towers column foundation.
Fig. 2 is the schematic diagram of internal structure of box-shaped concrete towers column foundation.
Fig. 3 is stereoscopic schematic diagram when box-shaped concrete towers column foundation center is high, surrounding is short.
Fig. 4 is schematic diagram of internal structure when box-shaped concrete towers column foundation center is high, surrounding is short.
Fig. 5 is section structure diagram when box-shaped concrete towers column foundation center is high, surrounding is short.
Fig. 6 is the schematic diagram that wallboard core in box-shaped concrete towers column foundation is trapezoid cross section pattern.
Fig. 7 be base roof plate with basal core column connecting portion thickness it is big, with outer curtain wall penel connecting portion thickness is small shows
It is intended to.
Appended drawing reference: the outer curtain wall penel of 1- basal core column, 2- wallboard core, 3-, 4- sole plate, the basis 5- top
Plate.
Specific embodiment
Embodiment referring to shown in Fig. 1-7, spell again using by all wallboard precast blocks by this box-shaped concrete towers column foundation
The construction technology of dress, comprising:
Sole plate 4, sole plate 4 are precast slab, are placed on ground.
Sole plate general thickness is not less than 100mm.4 surrounding of sole plate can overhang a fixed length on the outside of outside curtain wall penel 3
It spends (i.e. sole plate 4 has reserved overhanging side on the outside of outer curtain wall penel 3), can also be flushed with outer curtain wall penel 3.To increase sole plate
Rigidity, while material utilization amount is saved, close rib cored slab can be used in sole plate, in addition, solid slab can also be used.
Basal core column 1, basal core column 1 be precast concrete column, be placed on sole plate 4 and and sole plate
4 rigid connections.
The diameter of basal core column 1 need to meet anchor bolts anchoring requirements or the connection of other suspension columns of upper column column bottom
The construction demand of measure.Open tubular column can be set as needed into basal core column, be also possible to solid post, and post shapes can be circle
Cylindricality is also possible to truncated cone-shaped, and circle can be set into column section, is also possible to regular polygon.The section of basal core column 1 needs
Meet the bearing capacity demand of top tower column structure transmitting load.It, can be on basis for cracking resistance, the bending resistance for increasing basal core column
Vertical prestressing is set in core column 1.Basal core column 1 can be used as independent prefabricated component Prefabrication, can also be according to transport energy
Basal core column edge is divided into no less than two prefabricated sections by power and Lifting Capacity by the vertical plane at king-post center, and scene is logical
It crosses reserved grouting seam and is spliced into entirety, it is of course also possible to use other reliable methods.
Wallboard core 2, wallboard core 2 be precast concrete wall panel, be placed on sole plate 4 and with sole plate 4
Rigid connection, while it is also rigidly connected with basal core column 1, encloses and in the surrounding setting one of basal core column 1 with base
Plinth core column is the center of circle radially radial arrangement and quantity at least three pieces, wallboard core 2 and basal core column 1 together shape
At basal core structure.
Wallboard core 2 is also basal core wall.The thickness of wallboard core 2 is typically no less than 100mm.In general, each
Piece wallboard core 2 and basal core column 1 are respectively independent prefabricated components, and wallboard core 2 can be used reserved with basal core column 1
Grouting seam connection, or connected after using set aside pre-embedded part with steel member, or use other reliable methods by wallboard core 2 and base
Plinth core column 1 connects integral.In addition, wallboard core 2 can also be with basal core column 1 in the case where traffic condition allows
Integrated prefabricated component as a whole.
Outer curtain wall penel 3, outer curtain wall penel 3 be precast concrete wall panel, be placed on sole plate 4 and with sole plate 4
Rigid connection, while it is also rigidly connected with wallboard core 2, is arranged in around basal core structure, by basal core knot
Structure is trapped among wall body structure that is intermediate, forming peripheral containment (or being all round closure).Peripheral wallboard thickness is typically no less than
100mm。
Base roof plate 5, base roof plate 5 be precast slab, be placed on basal core column 1, wallboard core 2 and
On outer curtain wall penel 3, and it is rigidly connected with basal core column 1, wallboard core 2 and outer curtain wall penel 3.
Preferably, it is connected between the sole plate 4 and basal core column 1, wallboard core 2 using grout sleeve, grouting
Sleeve is reserved in the bottom of basal core column 1 and the bottom of wallboard core 2.In addition, other reliable connection methods can also be used
Sole plate 4 is connected with basal core structure, outer curtain wall penel 3.
Preferably, can be used between the base roof plate 5 and basal core column 1, wallboard core 2 reserved grouting seam connection or
It is connected using after set aside pre-embedded part with steel member, certainly, other reliable methods can also be used by base roof plate 5 and basal core knot
Structure connection is integral.
Preferably, the outer curtain wall penel 3 is connect with sole plate 4 using grout sleeve, and grout sleeve is reserved in outer enclosure wall
The bottom of plate 3；Reserved grouting seam connection can be used in outer curtain wall penel 3 and wallboard core 2, uses steel structure after set aside pre-embedded part can also be used
Part connection, or using other reliable methods outer curtain wall penel 3 is connect with wallboard core 2 it is integral；Outer curtain wall penel 3 is pushed up with basis
It is connected after connecting or using set aside pre-embedded part using reserved grouting seam between plate 5 with steel member.
Preferably, in the present embodiment, the two sides side of outer curtain wall penel 3, with the wherein side side of wallboard core 2 and
The two sides side of adjacent outer curtain wall penel 3 is rigidly connected.It in other embodiments, can also be using outer curtain wall penel 3
Middle part and the wherein side side of wallboard core 2 are rigidly connected, the two sides side of outer curtain wall penel 3 and adjacent outer enclosure wall
The form that the two sides side of plate 3 is rigidly connected.
To increase overall stiffness of the invention, as preferred embodiment, referring to Fig. 7, the base roof plate 5 is and basis
1 connecting portion thickness of core column is big, with the small cone pattern of outer 3 connecting portion thickness of curtain wall penel, i.e., during base roof plate 5 is made into
The thin form of heart thickness surrounding.In addition, also can be made pyramid pattern in other embodiments.
To increase overall stiffness of the invention, as preferred embodiment, referring to Fig. 3, Fig. 4, Fig. 5, the box-shaped coagulation
Native king-post base center is high, surrounding is short.
To increase overall stiffness of the invention, as preferred embodiment, referring to Fig. 6, the wallboard core 2 is and basis
1 connecting portion thickness of core column is big, with the small trapezoid cross section pattern of 3 connecting portion thickness of perimeter walls.
The upper surface that the upper end of the basal core column 1 is upward through base roof plate 5, is higher by base roof plate 5, can basis
It needs that basal core column 1 can be lengthened upwards to the upper surface certain length for exceeding base roof plate 5, so can partially substitute top
Tower column structure saves tower column structure material utilization amount, saves comprehensive cost.
It, can be by sole plate 4 and base roof plate 5 along passing through king-post center in addition, according to transport capacity and Lifting Capacity
Vertical plane is divided into no less than two prefabricated sections, and scene can be spliced into entirety by reserved slurry seam, certainly, be also not necessarily limited to this
Method.
The basal core column 1 and wallboard core 2 can be an integrated Integral prefabricated component；Either basic core
Stem 1 and wallboard core 2 are respectively independent prefabricated components, using reserved grouting seam between basal core column 1 and wallboard core 2
It is connected after connecting or using set aside pre-embedded part with steel member.
An independent prefabricated component Prefabrication is all used as per a piece of peripheral wallboard 3.
In order to balance the problem of present invention self weight substantially reduces, enhance basic resistance to capsizing, it, can be according to need when construction
The weight materials such as backfill are filled in the box-shaped enclosure space of basal core inside configuration of the invention (i.e. in basal core
The weight materials such as filling backfill in the enclosure space that column 1, wallboard core 2 and outer curtain wall penel 3 surround), compensated foundation weight
Amount, after improving box foundation anti-overturning energy, then assembled base roof plate 5.
By taking certain engineering as an example, work progress of the invention is as follows:
1, sole plate 4 is lifted in king-post basic engineering position, 4 base plate thickness of sole plate takes 250mm, is divided into two pieces and hangs
It fills, by reserving splicing seams between two pieces of sole plates, two pieces of bottom plates are combined into entirety by cast in situs strength cement-based grouting material.
2, basal core column 1 is lifted in design position, basal core column 1 is height 4500mm, internal diameter 6000mm, outer diameter
The hollow concrete column of 7000mm, basal core column 1 are connect with sole plate 4 by reserved grout sleeve.
3, wallboard core 2, wallboard core 2 and 1 basis of formation nuclear structure of basal core column, 2 thickness of wallboard core are lifted
It is 250mm, the place that wallboard core 2 intersects with basal core column 1 is by reserving splicing seams, cast in situs strength cement-based grouting material
Connection, 2 lower part of wallboard core are reserved grout sleeve and are connect with sole plate 4.Core wall height 3500mm.
4, outer curtain wall penel 3 is lifted, outer curtain wall penel 3 reserves splicing seams with 2 intersection location of wallboard core, passes through cast in situs water
Mud base grouting material connect integral with wallboard core；The reserved grout sleeve in outer 3 bottom of curtain wall penel connects into whole with sole plate 4
Body.Outer 3 thickness 250mm of curtain wall penel, height 3500mm.
5, the weight materials such as backfill are filled in the box-shaped enclosure space of basal core inside configuration of the invention to core
After at core-wall plate absolute altitude, base roof plate 5, base roof plate 5 and all wallboard cores 2, outer curtain wall penel 3 and basal core column 1 are lifted
Intersection location reserves splicing seams, cast in situs pea gravel concreten or strength cement-based grouting material and all wallboard cores 2, outer curtain wall penel 3
And basal core column 1 connect it is integral.
6, tensioning basal core column vertical prestressing.
In addition, this box-shaped concrete towers column foundation, which also can according to need, cancels all prefabricated constructions, by entire box
Basis is cast-in-place at the scene.
Claims (10)
1. a kind of box-shaped concrete towers column foundation characterized by comprising
Sole plate (4), sole plate (4) are concrete slab；
Basal core column (1), basal core column (1) be concrete column, be placed on sole plate (4) and and sole plate
(4) it is rigidly connected；
Wallboard core (2), wallboard core (2) be concrete panel, be placed on sole plate (4) and with sole plate (4)
Rigid connection, at the same its also with basal core column (1) be rigidly connected, basal core column (1) surrounding setting one circle and
Using basal core column as the center of circle radially radial arrangement and quantity at least three pieces, wallboard core (2) and basal core column
(1) basal core structure is together formed；
Outer curtain wall penel (3), outer curtain wall penel (3) be concrete panel, be placed on sole plate (4) and with sole plate (4)
Rigid connection, while it is also rigidly connected with wallboard core (2), is arranged in around basal core structure, by basal core
Structure is trapped among wall body structure that is intermediate, forming peripheral containment；
Base roof plate (5), base roof plate (5) be concrete slab, be placed on basal core column (1), wallboard core (2) and
On outer curtain wall penel (3), and it is rigidly connected with basal core column (1), wallboard core (2) and outer curtain wall penel (3).
2. box-shaped concrete towers column foundation according to claim 1, it is characterised in that: the base roof plate (5) is and base
Plinth core column (1) connecting portion thickness is big, with outer curtain wall penel (3) connecting portion thickness small pyramid pattern or circular cone figure
Formula.
3. box-shaped concrete towers column foundation according to claim 1, it is characterised in that: the wallboard core (2) is and base
Plinth core column (1) connecting portion thickness is big, with the small trapezoid cross section pattern of perimeter walls (3) connecting portion thickness.
4. box-shaped concrete towers column foundation according to claim 1, it is characterised in that: the box-shaped concrete towers column foundation
Center is high, surrounding is short.
5. box-shaped concrete towers column foundation according to claim 1, it is characterised in that: the basal core column (1) it is upper
Hold the upper surface for being upward through base roof plate (5), being higher by base roof plate (5).
6. box-shaped concrete towers column foundation according to claim 1, it is characterised in that: the sole plate (4) is prefabricated
Concrete slab, basal core column (1) are precast concrete column, and wallboard core (2) is precast concrete wall panel, outer curtain wall penel (3)
For precast concrete wall panel, base roof plate (5) is precast slab.
7. box-shaped concrete towers column foundation according to claim 6, it is characterised in that: the sole plate (4) and basis
Between core column (1), wallboard core (2) using grout sleeve connect, grout sleeve be reserved in basal core column (1) bottom and
The bottom of wallboard core (2)；Using reserved grouting between the base roof plate (5) and basal core column (1), wallboard core (2)
Seam is connected after connecting or using set aside pre-embedded part with steel member.
8. box-shaped concrete towers column foundation according to claim 6, it is characterised in that: the outer curtain wall penel (3) and basis
Bottom plate (4) is connected using grout sleeve, and grout sleeve is reserved in the bottom of outer curtain wall penel (3)；Outer curtain wall penel (3) and base roof plate
(5) it is connected after connecting or using set aside pre-embedded part using reserved grouting seam between with steel member；Outer curtain wall penel (3) and wallboard core
(2) it is connected after connecting or using set aside pre-embedded part using reserved grouting seam between with steel member.
9. box-shaped concrete towers column foundation according to claim 6, it is characterised in that: the basal core column (1) and core
Core-wall plate (2) is an integrated Integral prefabricated component；Either basal core column (1) and wallboard core (2) are respectively only
Vertical prefabricated components connect or use set aside pre-embedded part using reserved grouting seam between basal core column (1) and wallboard core (2)
It is connected afterwards with steel member.
10. a kind of construction method of box-shaped concrete towers column foundation described in claim 6, it is characterised in that steps are as follows:
Step 1: lifting sole plate (4) in king-post basic engineering position；
Step 2: lifting basal core column (1) in design position, basal core column (1) and sole plate (4) pass through reserved grouting
Sleeve connection；
Step 3: lifting wallboard core (2), wallboard core (2) and basal core column (1) basis of formation nuclear structure, core wall
The place that plate (2) intersects with basal core column (1) is connected by reserved splicing seams, cast in situs strength cement-based grouting material, core wall
It reserves grout sleeve and is connect with sole plate (4) in plate (2) lower part；
Step 4: the outer curtain wall penel (3) of lifting, outer curtain wall penel (3) and wallboard core (2) intersection location reserve splicing seams, by existing
Field joints cement base grouting material connect integral, the reserved grout sleeve in outer curtain wall penel (3) bottom and sole plate with wallboard core
(4) it connects integral；
Step 5: after filling weight material in the box-shaped enclosure space of basal core inside configuration at wallboard core absolute altitude,
It lifts base roof plate (5), base roof plate (5) intersects position with all wallboard cores (2), outer curtain wall penel (3) and basal core column (1)
Set reserved splicing seams, cast in situs pea gravel concreten or strength cement-based grouting material and all wallboard cores (2), outer curtain wall penel (3) and
Basal core column (1) connection is integral；
Step 6: tensioning basal core column vertical prestressing.
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| CN201710373190.5A CN106958259B (en) | 2017-05-24 | 2017-05-24 | A kind of concrete towers column foundation and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AT522250A1 (en) * | 2019-02-28 | 2020-09-15 | Holcim Technology Ltd | Foundation for a wind turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106958259A (en) | 2017-07-18 |
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