CN108590316A - A kind of assembly concrete tower piece construction method - Google Patents
A kind of assembly concrete tower piece construction method Download PDFInfo
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- CN108590316A CN108590316A CN201810440288.2A CN201810440288A CN108590316A CN 108590316 A CN108590316 A CN 108590316A CN 201810440288 A CN201810440288 A CN 201810440288A CN 108590316 A CN108590316 A CN 108590316A
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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- Structural Engineering (AREA)
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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The present invention provides a kind of assembly concrete tower piece construction methods, in concrete tower inner template and exterior sheathing middle, twice side form is set, U-shaped steel muscle is inserted into respectively in two panels side template arranged side by side, the side form of confined space is formed between two panels side template arranged side by side, cell wall die cavity is formed between side template and exterior sheathing and side template and inner template, the cell wall of formation is docked for two semicircular ring concrete towers；" O " steel bar ring is formed on the U-shaped bottom of U-shaped steel muscle, and two panels semicircular ring concrete tower is assembled at the scene, is passed through from each " O " steel bar ring with reinforcing bar and is fixed with " O " steel bar ring, and slurry is perfused, and is assembled into the annulus of a completion.The present invention not only makes concrete tower fragment prefabricated, live piece, effectively shortens the construction period, and prefabricated tower block standard is unified, and splicing intensity is high, can effectively control mixed tower presentation quality, the manufacture and assembly of prestressed concrete tower cylinder can be preferably suitable for, there is wide popularizing application prospect.
Description
Technical field
The present invention relates to a kind of assembly concrete tower piece construction methods, are mainly used in wind energy project concrete towers
In tube construction.
Background technology
In wind power engineering concrete towers tube construction, be related to concrete tower it is prefabricated and transport.Due to concrete towers
Cylinder section is relatively large in diameter, weight is larger, it will usually carry out widening treatment to road in field.Special tower is first segment, since it is straight
Diameter and weight are maximum, and town road cannot be satisfied transport and require.
Under normal conditions, fragment processing, but the concrete tower form removal after fragment can be carried out to precast concrete tower
It is susceptible to the problems such as concrete side corner is damaged, form removal is difficult in journey, influences tower presentation quality.Meanwhile concrete tower
End is handled according to artificial chiseling mode, not only influences quality, but also take time and effort.
Invention content
Technical problem to be solved by the invention is to provide a kind of assembly concrete tower piece construction methods, by this
Concrete tower is carried out that fragment is prefabricated, and live piece effectively shortens the construction period by method, and prefabricated tower block standard is unified,
Mixed tower presentation quality can effectively be controlled.For this purpose, the present invention uses following technical scheme：
A kind of assembly concrete tower piece construction method, it is characterised in that among concrete tower inner template and exterior sheathing
Place's setting twice side form after concreting to form two semicircular ring concrete towers, and per pass side form is by two panels side arranged side by side
Template forms, and multipair U-shaped steel muscle is inserted into respectively in two panels side template arranged side by side, end is reserved in inside side template, in two panels
The side form that confined space is formed between side template arranged side by side, forms cell wall between side template and exterior sheathing and side template and inner template
The cell wall of die cavity, formation is docked for two semicircular ring concrete towers；" O " steel bar is formed on the U-shaped bottom of each pair of U-shaped steel muscle
Ring, each " O " steel bar ring arrange in the short transverse in side form, and two semicircular ring concrete towers are formed after concreting
Cylinder exposes the U-shaped bottom of U-shaped steel muscle after side template is removed in the side of two semicircular rings；
The two panels semicircular ring concrete tower of formation is assembled at the scene, passed through from each " O " steel bar ring with reinforcing bar and with " O "
Steel bar ring is fixed, and two semicircular ring concrete are finally assembled into the annulus of a completion by formwork, perfusion slurry.
On the basis of above-mentioned technical proposal using the present invention, the present invention also be can be used or be combined using further below
Technical solution：
It is prefabricated into U-shaped steel muscle using the reinforcing bar of φ 16mm, and U-shaped steel muscle is inserted laterally into the reserved duct of side form, U-shaped steel
U-shaped section of exposing side template of muscle, " O " steel bar ring of formation meet longitudinal reinforcement and penetrate.
When side template is installed, one side glue is pre-set with inner template, end template contact surface, is reserved in inner template and side template
The alignment of hole center, blending bolt pre-tightened, plays the role of being fixed temporarily, and reexamines two panels side form plate top surface and side adjusts
Together, bolt is finally tightened.
To brushing retarder in middle section on the outside of side template, retarder can delay the concrete set time being in contact with it,
In order to which follow-up hydraulic pressure rinses, rough surface is formed, the not brush retarder of the both sides on the outside of side template in addition to middle section, using demoulding
Agent is brushed, and is convenient for form removal, and form neat appearance.
Semicircular ring concrete tower, which is transported to, stacks place, washes away the semicircular ring coagulation after side template is removed using giant
Native tower side forms concavo-convex rough surface until exposing aggregate.
Convex surface is made in middle section on the outside of side template.
Due to construction method using the present invention, not only make concrete tower fragment prefabricated, live piece effectively shortens and applies
The work duration, and prefabricated tower block standard is unified, and splicing intensity is high, can effectively control mixed tower presentation quality, can preferably be applicable in
In the manufacture and assembly of prestressed concrete tower cylinder, there is wide popularizing application prospect.
Description of the drawings
Fig. 1 is the mold and seam steel bar arrangement figure of the present invention.
Fig. 2 is two semicircular ring concrete tower stitching sections of present invention position schematic diagram.
Fig. 3 is the side schematic view of semicircular ring concrete tower of the present invention.
Fig. 4 is the schematic diagram of side template of the present invention.
Fig. 5 is two semicircular ring concrete tower stitching sections of present invention position vertical view.
Specific implementation mode
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, the present embodiment is that a kind of prefabricated PC concrete tower piece is applied
Work method.Twice side form is set between concrete tower exterior sheathing 1 and inner template 2 to form two and half after concreting
Annulus concrete tower, per pass side form are made of two panels side template 3 arranged side by side, and two panels side template arranged side by side is preferably symmetrical.
Exterior sheathing 1 and inner template 2 can be circularized by polylith template group respectively, and side template 3 is typically in connecing for exterior sheathing 1 and inner template 2
At seam.
13 transverse direction ducts 10 are arranged in 3 upper edge short transverse of side template, and make convex surface 11 on the outside, by U-shaped φ 16mm
Reinforcing bar 4 is symmetrically inserted into duct 10, forms " O " shaped steel rib ring 6, U-loop rebar sizes long 500mm, wide 250mm, U-shaped section of dew
Go out side template 100mm, " O " steel bar ring of formation meets longitudinal reinforcement 5 and penetrates.Using rubber strip to 10 envelope of side form reserving hole channel
It is stifled, and tightly blocked using glass cement to sealing place not in place and U-shaped ring reinforced steel bar perforation part, mortar leakage prevention is arranged side by side in two panels
Side template 3 between formed confined space side form, can avoid concreting when leakage slurry to coagulation soil property during form removal
The influence of amount, while it is convenient to also allow for form removal.Cell wall mould is formed between side template 3 and exterior sheathing 1 and side template 3 and inner template 1
Chamber, the outside cell wall 921 and inside cell wall 922 of formation are docked for two semicircular ring concrete towers.
The hole in the hole and exterior sheathing 1 for connecting inner template 2, above 12 table of Kong Junyong drawing reference numerals are provided on side template
Show.When side template 3 is installed, one side glue is pre-set with inner template 2, end template contact surface, thickness uniformly, inner template 2 and side form
The hole center connected to it alignment reserved on plate 3, blending bolt are pre-tightened, play the role of being fixed temporarily, and re-inspection is symmetrical
Two pieces of side form plate top surfaces and side adjustment it is neat, finally tighten bolt.
The retarder of 3 outer convex surface of side template, 11 brushing thickness 1mm, it is desirable that brush 2 times, and brush uniformly, in order to rear
Continuous hydraulic pressure rinses, and forms rough surface, is used convenient for construction party, removes concrete dabbing technique from, except side template outer convex surface 11 with
It is outer to use releasing agent brushing, it is convenient for form removal, and form neat appearance.
Template installation is complete and casting concrete after, formed two semicircular ring concrete towers 7,8, template is torn open
It removes.Semicircular ring concrete tower, which is transported to, stacks place, and to the high pressure water washing of side 9 of semicircular ring concrete towers cylinder, until
Expose aggregate, forms coarse concave surface 91.
After concrete strength reaches 60MPa, semicircular ring concrete tower is transported to wind turbine seat in the plane using flat car, into
The lifting docking of row loop wheel machine is assembled.Semicircular ring concrete tower is placed in 6 leveling supporting modules.Using below supporting module
Bolt adjustment tower levelness, horizontal error control within 2mm.U-shaped steel muscle overlap width 100cm, error control
System penetrates the longitudinal reinforcement 5 of two φ 25mm in " O " shaped steel rib ring 6 from top after 2mm, adjustment, using electric welding by φ
The longitudinal reinforcement 5 of 25mm is connect with U-shaped φ 16mm reinforcing bars 4.After acceptance(check), between two semicircular ring concrete towers
Internal cavity 13 is the space of original internal model, and installation pours C80 high intensity grouting materials, wait for for the template construction in the space
Intensity reaches form removal after design requirement.
To sum up, above-mentioned prefabricated PC concrete tower piece structure includes two semicircular ring concrete towers 7,8, institute
The side for stating semicircular ring concrete tower is in groove type end face, and the groove type end face of two semicircular ring concrete towers has outside
Cell wall 921 and inside cell wall 922, the outside cell wall 921 and inside cell wall 922 of two semicircular ring concrete towers dock respectively,
And form the internal cavity 13 between two semicircular ring concrete towers, the side of described two semicircular ring concrete towers, edge
Its short transverse is provided with multiple U-shaped reinforcing bars 4, and the bottom of U-shaped reinforcing bar is exposed in internal cavity 13, two semicircular ring coagulations
The U-shaped reinforcing bar of native tower coordinates in pairs, and multiple " O " the shaped steel rib rings 6 arranged along short transverse are formed in internal cavity 13, and
And there is longitudinal reinforcement 5 to pass through from each " O " shaped steel rib ring 6 and be welded and fixed with " O " shaped steel rib ring 6；It is used in internal cavity 13
Grouting material tamps.The groove bottom of groove type end face is concavo-convex rough surface.
Above is only a specific embodiment of the present invention, but the structure feature of the present invention is not limited thereto, Ren Heben
The technical staff in field in the field of the invention, made by changes or modifications all cover among protection scope of the present invention.
Claims (6)
1. a kind of assembly concrete tower piece construction method, it is characterised in that in concrete tower inner template and exterior sheathing
Between setting twice side form to form two semicircular ring concrete towers after concreting, per pass side form is arranged side by side by two panels
Side template forms, and multipair U-shaped steel muscle is inserted into respectively in two panels side template arranged side by side, end is reserved in inside side template, two
The side form that confined space is formed between piece side template arranged side by side, forms slot between side template and exterior sheathing and side template and inner template
The cell wall of wall die cavity, formation is docked for two semicircular ring concrete towers；" O " shaped steel is formed on the U-shaped bottom of each pair of U-shaped steel muscle
Muscle ring, each " O " steel bar ring arrange in the short transverse in side form, and two semicircular ring concrete are formed after concreting
Tower exposes the U-shaped bottom of U-shaped steel muscle after side template is removed in the side of two semicircular rings；
The two panels semicircular ring concrete tower of formation is assembled at the scene, passed through from each " O " steel bar ring with reinforcing bar and with " O "
Steel bar ring is fixed, and two semicircular ring concrete are finally assembled into the annulus of a completion by formwork, perfusion slurry.
2. a kind of assembly concrete tower piece construction method according to claim 1, it is characterised in that：Utilize φ
The reinforcing bar of 16mm is prefabricated into U-shaped steel muscle, and U-shaped steel muscle is inserted laterally into the reserved duct of side form, U-shaped section of U-shaped steel muscle
Expose side template, " O " steel bar ring of formation meets longitudinal reinforcement and penetrates.
3. a kind of assembly concrete tower piece construction method according to claim 1, it is characterised in that：Side template is pacified
When dress, one side glue is pre-set with inner template, end template contact surface, the hole center alignment reserved in inner template and side template, and
It is pre-tightened with bolt, plays the role of being fixed temporarily, reexamined two panels side form plate top surface and side adjustment is neat, finally tighten spiral shell
Bolt.
4. a kind of assembly concrete tower piece construction method according to claim 1, it is characterised in that：To side template
Outside middle section brushing retarder, retarder can delay the concrete set time being in contact with it, in order to which follow-up hydraulic pressure rushes
It washes, forms rough surface, the not brush retarder of the both sides on the outside of side template in addition to middle section is brushed using releasing agent, is convenient for
Form removal, and form neat appearance.
5. a kind of assembly concrete tower piece construction method according to claim 4, it is characterised in that：Semicircular ring is mixed
Solidifying soil tower, which is transported to, stacks place, washes away the semicircular ring concrete tower side after side template is removed using giant, until
Expose aggregate, forms concavo-convex rough surface.
6. a kind of assembly concrete tower piece construction method according to claim 1, it is characterised in that：Outside side template
Make convex surface in side middle section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440288.2A CN108590316A (en) | 2018-05-10 | 2018-05-10 | A kind of assembly concrete tower piece construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440288.2A CN108590316A (en) | 2018-05-10 | 2018-05-10 | A kind of assembly concrete tower piece construction method |
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| Publication Number | Publication Date |
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| CN108590316A true CN108590316A (en) | 2018-09-28 |
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ID=63636168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810440288.2A Pending CN108590316A (en) | 2018-05-10 | 2018-05-10 | A kind of assembly concrete tower piece construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456071A (en) * | 2019-01-18 | 2020-07-28 | 深圳国金电力新能设计院有限公司 | Center cylinder of tower cylinder foundation, construction method of tower cylinder foundation and tower cylinder |
| CN112302881A (en) * | 2020-09-15 | 2021-02-02 | 重庆大学 | Precast concrete pipe sheet connecting structure for steel-concrete tower cylinder |
| CN113374646A (en) * | 2021-06-16 | 2021-09-10 | 重庆大学 | Light steel concrete prestressing force combination formula wind power tower section of thick bamboo and wind power tower thereof |
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| CN103883482A (en) * | 2014-03-28 | 2014-06-25 | 北京金风科创风电设备有限公司 | Precast concrete shell ring, manufacturing method thereof and fan tower barrel |
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2018
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| CN106351359A (en) * | 2016-11-07 | 2017-01-25 | 江苏科技大学 | Assembly type shear wall based on anti-shearing joint seam structure and construction method thereof |
| CN106677419A (en) * | 2017-01-28 | 2017-05-17 | 初明进 | Manufacturing method of prefabricated concrete member with connecting steel bars |
| CN106948504A (en) * | 2017-04-27 | 2017-07-14 | 中国十七冶集团有限公司 | Assembled wallboard water seepage prevention vertical abutment joint structure and its construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456071A (en) * | 2019-01-18 | 2020-07-28 | 深圳国金电力新能设计院有限公司 | Center cylinder of tower cylinder foundation, construction method of tower cylinder foundation and tower cylinder |
| CN112302881A (en) * | 2020-09-15 | 2021-02-02 | 重庆大学 | Precast concrete pipe sheet connecting structure for steel-concrete tower cylinder |
| CN113374646A (en) * | 2021-06-16 | 2021-09-10 | 重庆大学 | Light steel concrete prestressing force combination formula wind power tower section of thick bamboo and wind power tower thereof |
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Application publication date: 20180928 |