CN113306013A - Reusable template system of precast concrete tower barrel and construction method - Google Patents
Reusable template system of precast concrete tower barrel and construction method Download PDFInfo
- Publication number
- CN113306013A CN113306013A CN202110537837.XA CN202110537837A CN113306013A CN 113306013 A CN113306013 A CN 113306013A CN 202110537837 A CN202110537837 A CN 202110537837A CN 113306013 A CN113306013 A CN 113306013A
- Authority
- CN
- China
- Prior art keywords
- mold
- keel
- panel
- pressing plate
- moon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/76—Moulds
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention provides a reusable template system of a precast concrete tower barrel and a construction method, and the reusable template system comprises an inner mold keel, an outer mold keel, a bottom template, an inner mold refitted moon-shaped pressing plate and an outer mold refitted moon-shaped pressing plate, wherein the outer mold keel is arranged at the periphery of the inner mold keel and fixedly connected with the inner mold keel; the internal mold refitting moon pressing plate is arranged between the internal mold keel and the internal mold panel, and the external mold refitting moon pressing plate is arranged between the external mold keel and the external mold panel. The invention can make a set of template used for prefabricating a plurality of ring segments with different sizes, thereby shortening the construction period of template customization, improving the use efficiency of the template and saving the cost of the template.
Description
Technical Field
The invention belongs to the technical field of tower barrel construction, and particularly relates to a reusable template system of a precast concrete tower barrel and a construction method.
Background
With the increase of the single unit capacity of the onshore wind generating set, the common steel tower barrel is adapted to the trend of higher and higher installation height of the hub. After the height of the hub exceeds 120m, the diameter of the steel tower barrel is limited by road transportation width limitation, the thickness of the tower barrel is limited by a rolling process, and the rigidity is very difficult to increase. In recent years, production accidents caused by insufficient rigidity of steel tower drums frequently occur. The concrete-steel mixed tower cylinder is an effective scheme for solving the problem of insufficient rigidity of the steel tower cylinder, improving the height of a hub and further improving the capacity of a single machine at present, and has success cases at home and abroad.
Hybrid towers typically have steel towers with a diameter greater than 4.5m, which are replaced with precast concrete. The concrete section is composed of a plurality of prefabricated rings, each prefabricated ring is composed of a plurality of ring sheets, the ring sheets are prefabricated in a factory generally, assembled into rings after being transported to a site, and then lifted and installed into the tower.
However, because the concrete tower drum needs to be cast in sections, each section needs a formwork, so that the number of the prefabricated formworks in a factory is large, the steel consumption is large, the corresponding prefabrication time is long, and especially for projects with relatively tight requirements on construction period, the prefabrication cannot be completed within the required construction period.
Disclosure of Invention
The invention aims to provide a reusable template system of a precast concrete tower barrel, which overcomes the technical problems in the prior art.
The invention also aims to provide a construction method for the precast concrete tower barrel of the onshore wind power plant, which can greatly shorten the construction period.
Therefore, the technical scheme provided by the invention is as follows:
a reusable template system of a precast concrete tower cylinder comprises an inner mold keel, an outer mold keel, a bottom template, an inner mold refitted moon pressure plate and an outer mold refitted moon pressure plate, wherein the outer mold keel is arranged at the periphery of the inner mold keel and fixedly connected with the inner mold keel, an inner mold panel is fixedly arranged at the outer side of the inner mold keel, an outer mold panel is fixedly arranged at the inner side of the outer mold keel, the bottom template is arranged between the inner mold panel and the outer mold panel, and the inner mold panel, the outer mold panel and the bottom template form a pouring space;
the internal mold modified moon-shaped pressing plate is arranged between the internal mold keel and the internal mold panel, the external mold modified moon-shaped pressing plate is arranged between the external mold keel and the external mold panel, and the internal mold modified moon-shaped pressing plate and the external mold modified moon-shaped pressing plate both comprise a series of moon-shaped pressing plates with the sizes.
The middle of the outer die modified moon-shaped pressing plate is thin, and the two sides of the outer die modified moon-shaped pressing plate are thick, and the radius of the arc at the outer side is equal to the inner diameter of the outer die panel.
The middle of the internal mold modified moon-shaped pressing plate is thick, and the two sides of the internal mold modified moon-shaped pressing plate are thin, and the radius of the arc of the inner side of the internal mold modified moon-shaped pressing plate is equal to the outer diameter of the panel of the internal mold.
The inner mold panel and the outer mold panel are both two layers of panels, the inner layer panel is composed of a plurality of strip-shaped panels which are longitudinally laid, the outer layer panel is transversely laid, and the inner layer panel and the outer layer panel are fixedly connected.
The internal mold keel and the external mold keel are both composed of a plurality of horizontal arc steel plates and vertical section steel, and the vertical section steel is fixedly arranged between the horizontal arc steel plates.
The outer mold keel and the inner mold keel are connected through split bolts.
The inner panel is fixedly connected with the inner mold keel or the outer mold keel, and the outer panel is fixed on the inner panel through the ejection nail.
A construction method of a precast concrete tower barrel of a land wind farm adopts a reusable template system of the precast concrete tower barrel to carry out concrete pouring on each concrete tower section according to the sequence from bottom to top, wherein, every adjacent m tower sections share one set of internal mold keel and external mold keel, the mold is removed after the first tower section is poured, the internal mold keel and the external mold keel are respectively modified by the internal mold modified moon-shaped pressing plate and the external mold modified moon-shaped pressing plate, so that the sizes of the external mold panel and the internal mold panel are respectively consistent with the radius of the outer wall and the radius of the inner wall of the second tower section, the second tower section is cast after the modification is finished, and then removing the mold, modifying the inner mold modified moon-shaped pressing plate and the outer mold modified moon-shaped pressing plate again to ensure that the size of the formed template is consistent with that of the third tower section, pouring the third tower section after the modification is finished, and pouring the m tower sections after the sequential modification is finished.
When the internal mold refitting moon-shaped pressing plate is used for refitting the internal mold keel, the internal mold panel is firstly removed, then the internal mold refitting moon-shaped pressing plates with different sizes are welded on the outer side of the internal mold keel layer by layer, the inner side circular arc radius of the internal mold refitting moon-shaped pressing plate at the innermost layer is consistent with the outer side circular arc radius of the internal mold keel, and the difference between the outer side circular arc radius of the internal mold refitting moon-shaped pressing plate at the outermost layer and the thickness of the internal mold panel is the inner wall radius of the tower section.
The invention has the beneficial effects that:
according to the reusable template system of the precast concrete tower barrel, the internal mold keel and the external mold keel are respectively modified through the internal mold modified moon-shaped pressing plate and the external mold modified moon-shaped pressing plate, so that the sizes of the external mold panel and the internal mold panel are respectively consistent with the radius of the outer wall and the radius of the inner wall of a construction tower section, a set of template can be used for prefabricating a plurality of ring sections with different sizes, the template customizing construction period is further shortened, the template using efficiency is improved, and the template cost is saved.
The following will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a plan view of one embodiment of the present invention;
FIG. 3 is a schematic diagram of an internal mold keel circular arc plate modified by an internal mold modified moon-shaped pressing plate;
fig. 4 is a schematic diagram of an external mold keel circular arc plate modified by an external mold modified moon-shaped pressure plate.
In the figure: 1. an internal mold keel; 2. an outer mold keel; 3. oppositely pulling the bolts; 4. a bottom form; 101. an inner mold keel horizontal arc plate; 102. vertical section steel of the internal mold keel; 103. an inner mold panel; 104. modifying a crescent plate by the inner die; 201. an external mold keel horizontal arc plate; 202. external mold keel vertical section steel; 203. an outer mold panel; 204. the external mold is modified with a crescent plate.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Example 1:
the embodiment provides a reusable template system of a precast concrete tower cylinder, which comprises an inner mold keel 1, an outer mold keel 2, a bottom template 4, an inner mold modified crescent-moon plate 104 and an outer mold modified crescent-moon plate 204, wherein the outer mold keel 2 is arranged at the periphery of the inner mold keel 1 and fixedly connected with the inner mold keel 1, an inner mold panel 103 is fixedly arranged at the outer side of the inner mold keel 1, an outer mold panel 203 is fixedly arranged at the inner side of the outer mold keel 2, the bottom template 4 is arranged between the inner mold panel 103 and the outer mold panel 203, and the inner mold panel 103, the outer mold panel 203 and the bottom template 4 form a pouring space;
the internal mold modified crescent moon plate 104 is arranged between the internal mold keel 1 and the internal mold panel 103, the external mold modified crescent moon plate 204 is arranged between the external mold keel 2 and the external mold panel 203, and the internal mold modified crescent moon plate 104 and the external mold modified crescent moon plate 204 both comprise a series of size moon pressing plates.
The use process comprises the following steps:
the construction number n of the segmental segments is set according to the size of the precast concrete tower barrel, the number of the templates to be precast is calculated according to each m (m is not less than 2) segmental segments by using one set of templates, and the number of the templates is calculated according to one set when the number of the segmental segments is less than one set. The internal mold keel 1 and the external mold keel 2 are pre-assembled and welded in a factory and are subjected to anti-corrosion treatment.
In this embodiment, the use process of the template system is described by taking three ring segments as an example: firstly, before the construction of the first ring section, an inner mold panel 103 is fixed on the outer side of an inner mold keel 1 to form an inner mold, an outer mold panel 203 is fixed on the inner side of an outer mold keel 2 to form an outer mold, a mold release agent is brushed on the surface of the outer mold keel respectively, then the outer mold keel and a bottom mold plate 4 are assembled to form a mold plate, as shown in fig. 1 and 2, concrete is poured finally, and the construction of the first ring section is completed.
And after the construction of the first ring section is finished, removing the mold, separating the inner mold from the outer mold, and respectively modifying the keel 2 of the outer mold and the keel 1 of the inner mold. When in modification, firstly, the internal mold template is detached, then the size of the internal mold keel 1 is adjusted through internal mold modification crescent plates 104 corresponding to a plurality of sizes according to the size of the second ring section, after the size is adjusted, the internal mold modification crescent plates 104 are welded on the outer side circular arc of the internal mold keel 1 at one time, and finally, the internal mold template is fixed on the internal mold modification crescent plate 104 at the outermost layer; and the template can be used for prefabricating the second ring section after being modified.
Wherein, the radius of the arc at the inner side of the first internal mold modified crescent-moon plate 104 is consistent with the radius of the arc at the outer side of the internal mold keel 1, and the difference between the radius of the arc at the outer side of the internal mold modified crescent-moon plate 104 and the thickness of the internal mold panel 103 is the radius of the inner wall of the tower section.
And if m is less than 3, constructing the third ring section by using the next set of templates. If not less than 3, the above process is repeated, and the template is again adapted for prefabrication of the third ring segment.
According to the reusable template system of the precast concrete tower barrel, the inner mold keel 1 and the outer mold keel 2 are respectively modified through the inner mold modified crescent-moon plate 104 and the outer mold modified crescent-moon plate 204, so that the sizes of the outer mold panel 203 and the inner mold panel 103 are respectively consistent with the outer wall radius and the inner wall radius of a construction tower section, a set of template can be used for prefabricating a plurality of ring sections with different sizes, the template customizing period is further shortened, the template using efficiency is improved, and the template cost is saved.
Example 2:
on the basis of embodiment 1, this embodiment provides a reusable template system of a precast concrete tower tube, the external mold modified crescent-moon plate 204 is thin in the middle and thick on both sides, and the radius of the arc on the outer side is equal to the inner diameter of the external mold panel 203.
As shown in fig. 4, when the external mold keel 2 is modified, an external mold modified crescent-shaped plate 204 needs to be welded on the inner side of the arc of the external mold keel 2, the middle of the external mold modified crescent-shaped plate 204 is thin, and the two sides of the external mold modified crescent-shaped plate are thick, the outer side arc radius of the external mold modified crescent-shaped plate 204 is consistent with the inner side arc radius of the original external mold keel 2, after the external mold modified crescent-shaped plate 204 is welded, the outer wall radius of the corresponding position of the prefabricated ring segment is obtained by subtracting the thickness of an external mold panel 203 from the inner side arc radius of the external mold template, and after the external mold modified crescent-shaped plate 204 is welded, redundant parts at the two ends of the external mold keel 2 need to be cut off.
Example 3:
on the basis of embodiment 1, this embodiment provides a reusable template system of a precast concrete tower section of thick bamboo, the centre of centre mould repacking crescent moon board 104 is thick both sides thin, and inboard circular arc radius is equal with interior mould panel 103 external diameter.
As shown in fig. 3, need when 1 repacking of internal mold fossil fragments to weld centre form repacking crescent moon board 104 in the 1 circular arc outside of internal mold fossil fragments, centre form repacking crescent moon board 104 is thick, both sides are thin, centre form repacking crescent moon board 104 inboard circular arc radius is unanimous with original 1 outside circular arc radius of internal mold fossil fragments, after welding centre form repacking crescent moon board 104, the thickness that centre form panel 103 was subtracted to the outside circular arc radius of internal mold template is the inner wall radius of prefabricated ring section relevant position, need amputate 1 both ends surplus part excision with internal mold fossil fragments after internal mold repacking crescent moon board 104 welding was accomplished. After the inner die modified crescent-shaped plate 104 and the outer die modified crescent-shaped plate 204 are modified, the wall thickness of the tower barrel is gradually increased from bottom to top.
Example 4:
on the basis of embodiment 1, this embodiment provides a reusable template system of a precast concrete tower section of thick bamboo, interior form panel 103 and outer form panel 203 are two-layer panel, and interior layer panel comprises the strip panel of polylith vertical laying, and outer layer panel is horizontal laying, interior layer panel and outer layer panel fixed connection.
Since the outer facing sheet is a one-piece sheet, the inner facing sheet serves to support the outer facing sheet in a transverse (i.e., circumferential) orientation.
Example 5:
on the basis of embodiment 1, this embodiment provides a can multiplexing template system of precast concrete tower section of thick bamboo, interior mould fossil fragments 1 and external mold fossil fragments 2 constitute by polylith horizontal circular arc steel sheet and vertical shaped steel, and vertical shaped steel sets firmly between horizontal circular arc steel sheet.
As shown in fig. 2, the inner mold keel 1 is composed of an inner mold keel horizontal arc plate 101 and an inner mold keel vertical section steel 102, and the outer mold keel 2 is composed of an outer mold keel horizontal arc plate 201 and an outer mold keel vertical section steel 202. The inner mold keel 1 and the outer mold keel 2 can be formed by splicing two, three or four ring pieces. The inner mould keel 1 is anchored and fixed by steel bars, and the butt joint of the arc steel plates is firmly welded by the steel bars.
The horizontal arc plate 101 of the inner mold keel and the vertical section steel 102 of the inner mold keel, the horizontal arc plate 201 of the outer mold keel and the vertical section steel 202 of the outer mold keel are machined in a template processing factory, are assembled and welded in advance in the factory and are subjected to anti-corrosion treatment.
Example 6:
on the basis of embodiment 1, this embodiment provides a reusable template system of a precast concrete tower tube, and a partition or a gasket is arranged at equal segments of the inner mold panel 103 and the outer mold panel 203.
The division prefabrication of the ring segments can be realized by arranging the partition plates or the gaskets.
Example 7:
on the basis of embodiment 1, this embodiment provides a reusable template system of a precast concrete tower section of thick bamboo, external mold fossil fragments 2 and internal mold fossil fragments 1 are connected through split bolt 3.
The outer mold keel 2 and the inner mold keel 1 are connected through the split bolts 3, so that the extrusion expansion of the template during concrete pouring is prevented, and the prefabricated pouring effect of the ring segments is prevented from being influenced.
Example 8:
on the basis of embodiment 4, this embodiment provides a reusable template system of precast concrete tower section of thick bamboo, the inlayer panel links firmly with interior mould fossil fragments 1 or outer mould fossil fragments 2, the skin panel passes through to penetrate the nail and fixes on the inlayer panel.
The inner panel is a strip panel and can be bound on the inner mold keel 1 or the outer mold keel 2 through a steel wire rope, and the outer panel is fixed with the inner panel through a shooting nail.
Example 9:
the embodiment provides a reusable template system of a precast concrete tower section of thick bamboo, including centre form fossil fragments 1, external mold fossil fragments 2, bottom template 4, centre form repacking crescent moon board 104 and external mold repacking crescent moon board 204, the outside of centre form fossil fragments 1 has set firmly centre form panel 103, and the inboard of external mold fossil fragments 2 has set firmly external mold panel 203, and bottom template 4 locates between centre form panel 103 and the external mold panel 203, and the three forms the concrete placement space.
The external mold keel 2 and the internal mold keel 1 are reinforced through the split bolt 3 and the steel pipe. The external mold keel 2 and the internal mold keel 1 are respectively matched with an external mold modified crescent plate 204 and an internal mold modified crescent plate 104, and are used for modifying the external mold keel 2 and the internal mold keel 1 after the prefabrication of one ring section is finished so as to meet the requirement of the prefabricated size of the next ring section. The bottom template 4 is an arc-shaped steel plate, and pre-buried holes of the prestressed pipeline are cut in the bottom template 4 according to design and used for fixing the pre-buried pipes.
Before the formwork installation, need draw the template location line on prefabricated pedestal, place centre form fossil fragments 1 on the square timber with the crane, with prefabricated pedestal on the centre form location line align, with the fixed centre form fossil fragments 1 position of reinforcing bar anchor, the circular arc steel sheet butt joint department is with the steel bar welding firmly. Then lay centre form panel 103 in the centre form fossil fragments 1 outside and form the centre form, centre form panel 103 adopts two-layer plywood, and the inlayer panel is 20mm thick plywood, vertically lays and fixes with centre form fossil fragments 1 steel sheet steel wire ligature, transversely lays 10mm thick plywood again, fixes with vertical plywood with penetrating the nail, then centre form panel 103 surface brush release agent.
The outer die keel 2 is placed on the support in an upside-down mode, an outer die panel 203 is laid on the inner side of the outer die keel 2 to form an outer die, two layers of plywood are adopted for the outer die panel 203, the inner layer of plywood is 20mm thick, the outer die panel is longitudinally laid and is bound and fixed with steel plates of the outer die keel 2 through steel wires, then 10mm thick plywood is transversely laid and fixed with the longitudinal plywood through shooting nails, and then a release agent is brushed on the surface of the outer die panel 203.
After the plate paving is finished, the outer die is lifted to the prefabricated pedestal by a crane to be matched with the inner die, the bottom die plate 4 is placed according to the die plate positioning line, the anchor cable pipe holes are aligned with the anchor cable pipe positioning line, and the bottom die is leveled by a level gauge. And installing an external mold keel 2 after installing the steel bar embedded part. The outer mold keel 2 is tightly attached to the bottom template 4, the top position is positioned through the center point of the well frame, the outer mold keel 2 circular arc plate is firmly welded by steel bars after position checking is finished, and the joint is sealed by a sealing strip to prevent slurry leakage. The internal mold keel 1 and the external mold keel 2 are reinforced through the split bolt 3 and the steel pipe. And (5) checking and accepting the template, and pouring concrete after embedding.
When the formwork is disassembled after concrete pouring is finished, firstly, the split bolts 3 are disassembled, the reinforcing steel bar anchors and reinforcing steel bars connected with the keel circular arc plates are cut off, the inner formwork and the outer formwork are carefully pried away, then the outer formwork is hung on the support for modification, and the inner formwork is hung on the next prefabricated pedestal for modification. And the outer mold is hung on the support, the two layers of plywood are removed, the corresponding modified crescent moon plates are welded on the inner sides of the keel circular arc plates, redundant circular arc plates on the two sides are cut off, then the size of the keel is checked, and the two layers of plywood and the keel are fixed after the check is correct. The internal mold modification method is similar to the external mold, and the difference is that the internal mold is modified on a prefabricated pedestal or a special template pedestal, and the internal mold modified crescent plate 104104 is welded on the outer side of the arc plate of the internal mold keel 1. And the prefabricated section can be used for prefabricating the next ring section after the template is modified.
Example 10:
the embodiment provides a construction method of a precast concrete tower barrel of a land wind farm, which comprises the steps of adopting a reusable template system of the precast concrete tower barrel, carrying out concrete pouring on each concrete tower section according to the sequence from bottom to top, wherein each adjacent m tower sections share one set of inner mold keel 1 and outer mold keel 2, removing a mold after pouring construction of a first tower section is completed, respectively modifying the inner mold keel 1 and the outer mold keel 2 through an inner mold modified crescent moon plate 104 and an outer mold modified crescent moon plate 204 to ensure that the sizes of an outer mold panel 203 and an inner mold panel 103 are respectively consistent with the radius of the outer wall and the radius of the inner wall of a second tower section, pouring construction is carried out on the second tower section after modification is completed, then removing the mold, modifying through an inner mold modified crescent moon plate 104 and an outer mold modified crescent moon plate 204 again to ensure that the size of a formed template is consistent with that of a third tower section, and finally pouring construction is carried out on the third tower section after modification is completed, and finishing pouring of the m tower sections after sequential refitting.
The method is adopted to construct a mixed tower drum of a project, the concrete tower section of the mixed tower drum has 20 ring segments, 20 ring segment template keels are required to be processed according to the conventional process, and the steel consumption is about 250 t. By adopting the method, 3 adjacent ring segments share one set of template keel, only 7 ring segment template keels need to be processed, and the steel consumption is about 90t and about 160t for the crescent-shaped plates 104 modified by the inner die and the crescent-shaped plates 204 modified by the outer die.
About 60 days are needed for processing 20 ring segment template keels, about 30 days are needed for processing 7 ring segment template keels and the crescent cambered belt plates matched with the moon, and the construction period is saved by 30 days; the construction period is prolonged by 6 days through template modification, and the construction period is totally saved by 24 days.
Example 11:
on the basis of embodiment 10, this embodiment provides a construction method of precast concrete tower section of thick bamboo of land wind-powered electricity generation field, when reforming inner mould fossil fragments 1 through inner mould repacking crescent moon board 104, demolish the interior mould panel 103 at first, later weld the not unidimensional interior mould repacking crescent moon board 104 in the outside of interior mould fossil fragments 1 layer by layer, make the interior mould repacking crescent moon board 104 inboard circular arc radius of inlayer unanimous with interior mould fossil fragments 1 outside circular arc radius, the difference of outmost interior mould repacking crescent moon board 104 outside circular arc radius and interior mould panel 103 thickness is the inner wall radius of this tower section.
The method can prefabricate a plurality of ring segments on one set of template, thereby shortening the template customizing construction period and saving the template cost.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention.
Claims (9)
1. The utility model provides a can multiplexing template system of precast concrete tower section of thick bamboo which characterized in that: the keel-free concrete pouring device comprises an inner mold keel, an outer mold keel, a bottom template, an inner mold modified moon-shaped pressing plate and an outer mold modified moon-shaped pressing plate, wherein the outer mold keel is arranged at the periphery of the inner mold keel and fixedly connected with the inner mold keel;
the internal mold modified moon-shaped pressing plate is arranged between the internal mold keel and the internal mold panel, the external mold modified moon-shaped pressing plate is arranged between the external mold keel and the external mold panel, and the internal mold modified moon-shaped pressing plate and the external mold modified moon-shaped pressing plate both comprise a series of moon-shaped pressing plates with the sizes.
2. The reusable template system for a precast concrete tower barrel of claim 1, wherein: the middle of the outer die modified moon-shaped pressing plate is thin, and the two sides of the outer die modified moon-shaped pressing plate are thick, and the radius of the arc at the outer side is equal to the inner diameter of the outer die panel.
3. The reusable template system for a precast concrete tower barrel of claim 1, wherein: the middle of the internal mold modified moon-shaped pressing plate is thick, and the two sides of the internal mold modified moon-shaped pressing plate are thin, and the radius of the arc of the inner side of the internal mold modified moon-shaped pressing plate is equal to the outer diameter of the panel of the internal mold.
4. The reusable template system for a precast concrete tower barrel of claim 1, wherein: the inner mold panel and the outer mold panel are both two layers of panels, the inner layer panel is composed of a plurality of strip-shaped panels which are longitudinally laid, the outer layer panel is transversely laid, and the inner layer panel and the outer layer panel are fixedly connected.
5. The reusable template system for a precast concrete tower barrel of claim 1, wherein: the internal mold keel and the external mold keel are both composed of a plurality of horizontal arc steel plates and vertical section steel, and the vertical section steel is fixedly arranged between the horizontal arc steel plates.
6. The reusable template system for a precast concrete tower barrel of claim 1, wherein: the outer mold keel and the inner mold keel are connected through split bolts.
7. The reusable template system for a precast concrete tower barrel according to claim 4, characterized in that: the inner panel is fixedly connected with the inner mold keel or the outer mold keel, and the outer panel is fixed on the inner panel through the ejection nail.
8. A construction method of a precast concrete tower drum of a land wind farm, which adopts a reusable template system of the precast concrete tower drum as claimed in any one of claims 1 to 7, and is characterized in that: concrete pouring is carried out on each concrete tower section according to the sequence from bottom to top, wherein each adjacent m tower sections share one set of inner mold keel and outer mold keel, the mold is disassembled after the pouring construction of the first tower section is finished, the inner mold keel and the outer mold keel are respectively refitted through the inner mold refitted month pressing plate and the outer mold refitted month pressing plate, the sizes of the outer mold panel and the inner mold panel are respectively consistent with the outer wall radius and the inner wall radius of the second tower section, the pouring construction is carried out on the second tower section after the refitting is finished, then the mold is disassembled, the inner mold refitted month pressing plate and the outer mold refitted month pressing plate are refitted again, the formed template is enabled to be consistent with the size of the third tower section, the pouring construction is finally carried out on the third tower section after the refitting is finished, and the pouring of the m tower sections is finished after the refitting in sequence.
9. The construction method of the precast concrete tower drum for the land wind farm according to claim 8, characterized by comprising the following steps: when the internal mold refitting moon-shaped pressing plate is used for refitting the internal mold keel, the internal mold panel is firstly removed, then the internal mold refitting moon-shaped pressing plates with different sizes are welded on the outer side of the internal mold keel layer by layer, the inner side circular arc radius of the internal mold refitting moon-shaped pressing plate at the innermost layer is consistent with the outer side circular arc radius of the internal mold keel, and the difference between the outer side circular arc radius of the internal mold refitting moon-shaped pressing plate at the outermost layer and the thickness of the internal mold panel is the inner wall radius of the tower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537837.XA CN113306013A (en) | 2021-05-18 | 2021-05-18 | Reusable template system of precast concrete tower barrel and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537837.XA CN113306013A (en) | 2021-05-18 | 2021-05-18 | Reusable template system of precast concrete tower barrel and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113306013A true CN113306013A (en) | 2021-08-27 |
Family
ID=77373644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110537837.XA Pending CN113306013A (en) | 2021-05-18 | 2021-05-18 | Reusable template system of precast concrete tower barrel and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113306013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683395A (en) * | 2022-04-18 | 2022-07-01 | 兰州理工大学 | Modular circular PC well chamber prefabricated template and construction assembling and disassembling method |
-
2021
- 2021-05-18 CN CN202110537837.XA patent/CN113306013A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683395A (en) * | 2022-04-18 | 2022-07-01 | 兰州理工大学 | Modular circular PC well chamber prefabricated template and construction assembling and disassembling method |
| CN114683395B (en) * | 2022-04-18 | 2023-10-03 | 兰州理工大学 | Modularized circular PC well chamber prefabricated formwork and construction assembling and dismantling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2427603B1 (en) | Fatigue resistant foundation | |
| CN107964948B (en) | Super-large-diameter assembled hollow pile and splicing method thereof | |
| US20110061321A1 (en) | Fatigue reistant foundation system | |
| CN109457597B (en) | Flat plate type modular prefabricated hollow pier splicing structure and manufacturing method thereof | |
| CN113306013A (en) | Reusable template system of precast concrete tower barrel and construction method | |
| CN109024221A (en) | A kind of Novel steel combined box beam and its application method | |
| CN111254977A (en) | Track panel well supporting structure of prefabricated steel buttress and construction method | |
| CN215150315U (en) | Reusable template system of precast concrete tower barrel | |
| CN202117320U (en) | Floating-resistant device for inner circle mold of circulation water pipe trench | |
| EP3671006B1 (en) | Modular prestressed concrete pressure tank | |
| CN113294171B (en) | Corrugated steel plate and UHPC combined assembled tunnel lining structure and construction method thereof | |
| CN108330745B (en) | Implementation method of tramcar assembled under-rail foundation in soft soil area | |
| CN210421155U (en) | Precast concrete base of corrugated steel plate comprehensive pipe gallery | |
| CN113356428B (en) | Prestress superposed integral floor system applied to fabricated building and construction method | |
| KR101178737B1 (en) | Continuous structure of composite psc girder using prestress at section changing girder height of lower center as straight steel and construction method thereof | |
| CN216477359U (en) | Superposed prefabricated double-layer duct piece structure | |
| CN113512932B (en) | Prestressed steel beam connected prefabricated small box girder type hidden cover beam and construction method thereof | |
| CN202466913U (en) | Concrete overlapping plate connected by 180 DEG bent reinforcing steel anchor within span | |
| CN115026944A (en) | Method for pre-stressed construction of highway municipal prestressed concrete precast box girder | |
| CN113089498A (en) | Concrete ring-dividing and sectional cast-in-place method for main arch ring of large-span arch bridge | |
| CN204780595U (en) | Continuous bridge floor device of prestressed concrete and have device's bridge | |
| CN204728568U (en) | The levelling plate of a kind of pin-connected panel precast concrete | |
| CN212388588U (en) | Construction structure for joint stress of volute casing concrete and peripheral structure | |
| CN218713224U (en) | Reinforcing device for hollow precast slab of ultra-long and ultra-high bearing platform | |
| CN219080391U (en) | Prefabricated split type concrete sleeve box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |