CN112252199A - Combined template structure for bidirectional variable cross-section fillet cable tower construction and construction method - Google Patents
Combined template structure for bidirectional variable cross-section fillet cable tower construction and construction method Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
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Abstract
The invention relates to the field of engineering, in particular to a combined template structure and a construction method for bidirectional variable-section rounded cable tower construction. Contain the design straight board, receive and divide the straight board, the circular arc angle template, the back of the body is stupefied, activity angle mould fixed plate, vertical screw rod, oblique pull rod and two-way top support formula anchorage bar, adopt the design straight board, receive and divide the straight board, 3 kinds of forms of arc board, follow the combination form of "straight board package arc board", improve the arc board very much, at the contact surface of arc board and design straight board, the design is the form of chamfer for the outside is polished into, adopt the butt joint method to connect, reduce the seam wrong platform, improve the appearance quality of pylon four corners circular arc chamfer, adjust through receiving and dividing the straight board by the variable cross-section from top down, the installation, it is convenient to dismantle, weight is moderate, the production efficiency is improved, the cost is saved, the engineering quality is ensured, the benefit is showing, excellent effect.
Description
Technical Field
The invention relates to the field of engineering, in particular to a combined template structure and a construction method for bidirectional variable-section rounded cable tower construction.
Background
The modern bridge is developed along with the requirements of traffic functions and the progress of economy and science and technology, is formed by elaborate design and construction under the control of mechanical laws and aesthetic rules, and is a product integrating human science, engineering technology and art. Along with the rapid development of bridge engineering, the design of high bridge towers is more and more common, the section styles of the towers are rich and various, and for the bidirectional variable-section fillet cable tower, the adoption of which template combination and which template design can ensure the efficient and high-quality construction of the bidirectional variable-section fillet cable tower is a serious difficulty of the construction of the bidirectional variable-section fillet cable tower, the invention solves the difficult problems that the construction progress and the appearance quality of the cable tower are influenced due to the concrete slab staggering caused by the improper template combination or the improper design of the fillet template because of the section change and the fillet design of a cable tower in the transverse bridge direction and the longitudinal bridge direction in the construction process of the bidirectional variable-section fillet cable tower, adopts 3 forms of a shaping straight plate, a folding and dividing straight plate and an arc plate, follows the combination form of a straight plate wrapping the arc plate, particularly improves the arc plate, and designs the contact surface of the arc plate and the shaping straight plate into a form of grinding the outer side into a chamfer angle, adopt the butt joint method to connect, reduce the seam wrong platform, improve the appearance quality of column four corners circular arc chamfer, adjust through receiving and dividing the straight board by the lower from last variable cross section, the installation, dismantle convenient, weight is moderate, has improved production efficiency, has practiced thrift the cost, has ensured engineering quality, and the benefit is showing, and is respond well.
Disclosure of Invention
The purpose of the invention is as follows: in order to provide a combined template structure and a construction method for bidirectional variable-section rounded cable tower construction with better effect, the specific purpose is to see a plurality of substantial technical effects of the specific implementation part.
In order to achieve the purpose, the invention adopts the following technical scheme:
a combined template structure for bidirectional variable cross-section fillet cable tower construction is characterized by comprising a shaping straight plate 1, a folding and splitting straight plate 2, an arc angle template 3, a back ridge 4, a movable angle template fixing plate 5, a vertical screw 6, a diagonal draw bar 7 and a bidirectional jacking type fastening rod 8; the shaping straight plate 1 is spliced with the folding and splitting straight plate 2, the outer sides of the shaping straight plate 1 and the folding and splitting straight plate 2 are fixed by back ridges 4, the back ridges 4 on two adjacent sides are fixed by diagonal draw bars 7, the right-angle inner sides of the folding and splitting straight plates 2 on two adjacent sides are abutted to arc angle templates 3, the outer sides of the arc angle templates 3 are ground into a chamfer form, the upper end and the lower end of each arc angle template 3 are connected with a movable angle template fixing plate 5 by vertical screw rods 6, the tail end of the movable angle template fixing plate is provided with another vertical screw rod 6, a bidirectional jacking type fastening rod 8 is arranged between the diagonal draw bar 7 and the vertical screw rod 6 at the tail end of the movable angle template fixing plate 5, the diagonal draw bar 7 is used as a support to tightly push the movable angle mould fixing plate 5 and the vertical screw 6 at the tail end to the outer side through the bidirectional jacking type fastening rod 8, so that the arc angle mould plate 3 is ensured to be tightly abutted against the inner surfaces of the two side folding straight plates 2, and the connection is firm and the contact is tight.
The invention further adopts the technical scheme that the shaping straight plate and the folding and separating straight plate are spliced, the shaping straight plate is a shaping steel template, the folding and separating straight plate is an adjustable steel template, the variable cross section from bottom to top is adjusted through the folding and separating straight plate with the width changed, namely, a plurality of folding and separating straight plates with different widths are arranged from bottom to top, the shaping straight plate and the folding and separating straight plate are fixed by back edges at the outer sides, and the back edges at two adjacent sides are fixed by diagonal draw bars.
The invention further adopts the technical scheme that one side of the bidirectional jacking type fastening rod comprises a groove, and the groove can extrude the top of the vertical screw 6 at the tail end; the other side of the bidirectional jacking type fastening rod extrudes the diagonal draw bar 7 through the groove; the bidirectional jacking type fastening rod is formed by two screw rods which are embedded in a threaded manner.
The invention further adopts the technical scheme that the shaping straight plate and the folding and splitting straight plate are steel templates, the arc angle template adopts a steel template with R =200mm, the top, the middle and the bottom of the arc angle template are respectively provided with a perforated connecting plate, and the aperture D =28 mm.
The invention further adopts the technical scheme that the shaping straight plate and the collecting and distributing straight plate are connected by bolts.
The further technical scheme of the invention is that the diameter of the diagonal draw bar is 25 mm.
A combined template construction method for bidirectional variable cross-section fillet cable tower construction is characterized by comprising the following steps:
1, determination of template combination form: according to the cross section change of a cable tower in the transverse bridge direction and the longitudinal bridge direction and the fillet design with R =200mm, the arc angle template is independently taken out and connected with a straight template by adopting an approach connection method, the design concept of 'bolt connection' of the traditional arc angle template and a straight template flange is changed, namely, a customized large steel template is split into 3 single element forms of a shaping straight template, a receiving straight template and an arc angle template, the combined design of the straight template and an arc wrapping plate is adopted to ensure that the arc plate is tightly abutted against the inner surface of the receiving straight plate, the connection is firm and the contact is tight, then the contact surface of the arc angle template and the receiving straight template is improved and designed into a form of polishing the outer side of the arc angle template into a chamfer, the slab staggering of a joint is reduced, the appearance quality of the arc angle of the tower column is improved, and the variable cross section from bottom to top is adjusted by the receiving straight plate with the;
2, splicing the shaped straight plate and the collecting and separating straight plate: the shaping straight plate and the folding and separating straight plate are spliced, the shaping straight plate is a shaping steel template, the folding and separating straight plate is an adjustable steel template, the variable cross section from bottom to top is adjusted through the folding and separating straight plate with the variable width, the outer side of the folding and separating straight plate is fixed by back ridges, and the back ridges on two adjacent sides of the folding and separating straight plate are fixed by diagonal draw bars;
3, manufacturing and connecting the arc angle template by an approach method: the inner sides of the right angles of the adjacent two side collecting and dividing straight plates are abutted with arc angle templates which are shaped steel templates, the outer sides of the arc angle templates are polished into chamfers, the arc angle templates follow the combination form of the straight plate arc wrapping plates, and the arc angle templates are connected by adopting an abutting method, so that the dislocation of joints is reduced;
4, installing an arc angle template structure system: the upper end and the lower end of the arc angle template are connected with the movable angle template fixing plate by adopting vertical screws, and the tail end of the movable angle template fixing plate is provided with the vertical screws to jointly form a structural system of the arc angle template;
5, fixing the arc angle template: set up two-way top support formula anchorage bar between diagonal draw bar and the vertical screw rod of activity angle mould fixed plate tail end to diagonal draw bar is for supporting, and the vertical screw rod of activity angle mould fixed plate tail end is pushed up tightly to the outside through two-way top support formula anchorage bar, ensures that circular arc angle mould board tightly leans on the straight board internal surface of both sides receipts branch, firm in connection, contact are inseparable.
Compared with the prior art, the invention adopting the technical scheme has the following beneficial effects: the combined template structure and the construction method are used for the construction of the bidirectional variable-section fillet cable tower. The invention solves the problem that the construction progress and the appearance quality of the cable tower are influenced by the wrong concrete slab caused by the wrong template combination or the wrong fillet template design due to the cross-section change and fillet design of the cable tower in the transverse bridge direction and the longitudinal bridge direction in the construction process of the bidirectional variable cross-section fillet cable tower, adopts 3 forms of the shaped straight plate, the collecting and dividing straight plate and the arc plate, follows the combination form of the straight plate and the arc plate, particularly improves the arc plate, designs the contact surface of the arc plate and the shaped straight plate into the form of grinding the outer side into the chamfer angle, adopts the connection by the approach method, reduces the wrong slab joint and improves the appearance quality of the arc chamfer angles at the four corners of the tower column, is adjusted by the collecting and dividing straight plate from the upper variable cross section, is convenient to install and disassemble, has moderate weight, improves the production efficiency, saves the cost, ensures the engineering quality, and has obvious benefits and good effect.
Drawings
To further illustrate the present invention, further description is provided below with reference to the accompanying drawings:
FIG. 1 is a schematic plan view of the structure of the present invention;
FIG. 2 is a schematic plan view of a circular arc angle template structure system according to the present invention;
wherein: 1, shaping a straight plate; 2, folding and dividing a straight plate; 3, arc angle template; 4, back corrugation; 5, moving an angle die fixing plate; 6, a vertical screw; 7, diagonal draw bars; 8 two-way top support formula anchorage.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. The fixing means, which is not described herein, may be any one of screw fixing, bolt fixing, or glue bonding.
The first scheme is as follows:
a combined template structure and a construction method for two-way variable cross-section fillet cable tower construction are characterized by comprising a shaped straight plate 1, a folding and splitting straight plate 2, an arc angle template 3, back ridges 4, a movable angle template fixing plate 5, vertical screws 6, diagonal draw bars 7 and two-way jacking type fastening rods 8, wherein the shaped straight plate 1 is spliced with the folding and splitting straight plate 2, the outer side of the shaped straight plate 1 is fixed by the back ridges 4, the adjacent two side back ridges 4 are fixed by the diagonal draw bars 7, the right-angle inner sides of the adjacent two side folding and splitting straight plates 2 are abutted against the arc angle template 3, the outer side of the arc angle template 3 is polished into a chamfer form, the staggering of joints is reduced, the upper end and the lower end of the arc angle template 3 are connected with the movable angle template fixing plate 5 by the vertical screws 6, the tail end of the movable angle template fixing plate is provided with the vertical screw 6, the two-way jacking type fastening rods 8 are arranged between the tail ends of, the inclined pull rod 7 is used as a support, the vertical screw 6 at the tail end of the movable angle mould fixing plate 5 is tightly propped to the outer side through the bidirectional jacking type fastening rod 8, and the arc angle mould plate 3 is ensured to be tightly abutted to the inner surfaces of the two side folding straight plates 2 and is firmly connected and tightly contacted.
As further preferred, the design straight board 1 is spliced with the contraction and separation straight board 2, the design straight board 1 is a design steel template, the contraction and separation straight board 2 is an adjustable steel template, the variable cross section from bottom to top is adjusted through the contraction and separation straight board 2 with the width changed, the outer side is fixed by the back edge 4, and the adjacent two side back edges 4 are fixed by the diagonal draw bar 7.
Preferably, the inner sides of the right angles of the adjacent two side folding and splitting straight plates 2 are abutted with arc angle templates 3, the arc angle templates 3 are shaped steel templates, the outer sides of the arc angle templates 3 are polished into chamfers, the combination form of the straight plate arc wrapping plates is followed, the straight plates are connected by adopting an abutting method, and the dislocation of joints is reduced.
Preferably, the upper end and the lower end of the arc angle template 3 are connected with a movable angle template fixing plate 5 through vertical screws 6, and the tail end of the movable angle template fixing plate is provided with the vertical screws 6 to jointly form a structural system of the arc angle template 3.
Preferably, a bidirectional jacking type fastening rod 8 is arranged between the diagonal draw bar 7 and the vertical screw 6 at the tail end of the movable angle die fixing plate 5, the bidirectional jacking type fastening rod 8 is used for supporting the diagonal draw bar 7, the vertical screw 6 at the tail end of the movable angle die fixing plate 5 is jacked outwards through the bidirectional jacking type fastening rod 8, the arc angle die plate 3 is ensured to be abutted against the inner surfaces of the two side folding straight plates 2, and the connection is firm and the contact is tight. Scheme II:
a combined template structure and a construction method for bidirectional variable cross-section fillet cable tower construction are characterized by comprising the following steps:
1, determination of template combination form: according to the cross section change of a transverse bridge direction cable tower and a longitudinal bridge direction cable tower and the fillet design with R =200mm, the arc angle template is independently taken out and connected with a straight template by adopting an approach connection method, the design concept of 'bolt connection' of the traditional arc angle template and a straight template flange is changed, the large steel template to be customized is split into 3 unit element forms of a shaping straight template, a receiving straight template and an arc angle template, the combined design of the straight template and the arc wrapping plate is adopted, so that the arc plate is ensured to be tightly abutted against the inner surface of the receiving straight plate, the connection is firm, the contact is tight, the contact surface of the arc angle template and the receiving straight template is improved and designed into a form of polishing the outer side of the arc angle template into a chamfer, the slab staggering of a joint is reduced, the appearance quality of the arc angle of the tower column is improved, and the variable cross section from bottom to top is adjusted by the receiving straight plate.
2, splicing the shaped straight plate and the collecting and separating straight plate: the design straight board is with receive and divide the concatenation of straight board, and the design straight board is design steel form, receives and divides the straight board to be adjustable steel form, and the variable cross section from bottom to top is adjusted through the receipts that the width changes divide the straight board, and the outside adopts the back of the body stupefied fixed, and adjacent both sides back of the body stupefied adopts the diagonal draw bar to fix.
3, manufacturing and connecting the arc angle template by an approach method: the inner sides of the right angles of the adjacent two side collecting and dividing straight plates are abutted to the arc angle templates, the arc angle templates are shaped steel templates, the outer sides of the arc angle templates are polished into chamfers, the combination form of the straight plate arc wrapping plates is followed, the straight plate arc wrapping plates are connected by adopting an abutting method, and the dislocation of joints is reduced.
4, installing an arc angle template structure system: the upper end and the lower end of the arc angle template are connected with the movable angle template fixing plate through vertical screws, and the tail end of the movable angle template fixing plate is provided with the vertical screws to jointly form a structural system of the arc angle template. The arc angle template comprises a fixed block and is fixed through the fixed block and the vertical bolt. Preferably, the arc angle mold plate and the movable angle mold fixing plate are integrally formed.
5, fixing the arc angle template: set up two-way top support formula anchorage bar between diagonal draw bar and the vertical screw rod of activity angle mould fixed plate tail end to diagonal draw bar is for supporting, and the vertical screw rod of activity angle mould fixed plate tail end is pushed up tightly to the outside through two-way top support formula anchorage bar, ensures that circular arc angle mould board tightly leans on the straight board internal surface of both sides receipts branch, firm in connection, contact are inseparable.
Preferably, the shaping straight plate and the folding and splitting straight plate are steel templates, the arc angle template is a steel template with the diameter R =200mm, the top, the middle and the bottom of the arc angle template are respectively provided with a connecting plate with holes, and the hole diameter D =28 mm.
Preferably, the shaping straight plate and the collecting and dividing straight plate are bolted, and the variable cross section from bottom to top is adjusted by the collecting and dividing straight plate with the variable width.
Preferably, the outer side of the arc angle template is polished into a chamfer, and because the arc angle template has a certain thickness, the dislocation phenomenon can occur when the arc angle template is directly abutted against the receiving and dividing straight plate, the contact surface of the arc angle template abutted against the receiving and dividing straight plate needs to be polished into the chamfer, so that the thickness of the initial contact surface of the arc angle template and the receiving and dividing straight plate is zero, the straight plate is connected by adopting an abutting method according to the combination form of the straight plate wrapped arc plates, and the dislocation at the joint is reduced.
Preferably, the structural system of the arc angle formwork is supported by diagonal draw bars, and the diameter of the diagonal draw bars is 25 mm. The vertical screw at the tail end of the movable angle mould fixing plate is tightly jacked outwards by the two-way jacking type fastening rod, so that the arc angle mould plate structure system is tightly abutted with the folding and separating straight plate.
The invention creatively has the effects independently, and can also complete the combination of the construction results by using a set of structure.
The combined template structure and the construction method are used for the construction of the bidirectional variable-section fillet cable tower. The invention solves the problem that the construction progress and the appearance quality of the cable tower are influenced by the wrong concrete slab caused by the wrong template combination or the wrong fillet template design due to the cross-section change and fillet design of the cable tower in the transverse bridge direction and the longitudinal bridge direction in the construction process of the bidirectional variable cross-section fillet cable tower, adopts 3 forms of the shaped straight plate, the collecting and dividing straight plate and the arc plate, follows the combination form of the straight plate and the arc plate, particularly improves the arc plate, designs the contact surface of the arc plate and the shaped straight plate into the form of grinding the outer side into the chamfer angle, adopts the connection by the approach method, reduces the wrong slab joint and improves the appearance quality of the arc chamfer angles at the four corners of the tower column, is adjusted by the collecting and dividing straight plate from the upper variable cross section, is convenient to install and disassemble, has moderate weight, improves the production efficiency, saves the cost, ensures the engineering quality, and has obvious benefits and good effect.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be limited to the embodiments described above.
Claims (7)
1. A combined template structure for bidirectional variable cross-section fillet cable tower construction is characterized by comprising a shaping straight plate (1), a folding and splitting straight plate (2), an arc angle template (3), a back ridge (4), a movable angle template fixing plate (5), a vertical screw (6), a diagonal draw bar (7) and a bidirectional jacking type fastening rod (8); the shaping straight plate (1) is spliced with the folding and separating straight plate (2), the shaping straight plate (1) and the folding and separating straight plate (2) are fixed by back ridges (4), the back ridges (4) on two adjacent sides are fixed by inclined pull rods (7), the right-angle inner sides of the folding and separating straight plates (2) on two adjacent sides are abutted to an arc angle template (3), the outer side of the arc angle template (3) is polished into a chamfer form, the upper and lower ends of the arc angle template (3) are connected with a movable angle template fixing plate (5) by vertical screw rods (6), the tail end of the movable angle template fixing plate is provided with another vertical screw rod (6), a bidirectional jacking type fastening rod (8) is arranged between the inclined pull rod (7) and the vertical screw rod (6) at the tail end of the movable angle template fixing plate (5), the inclined pull rod (7) is used as a support to jack the movable angle template fixing plate (5) and the vertical screw rod (6) at the tail end to the outside through the bidirectional jacking type fastening rod (, the arc angle templates (3) are ensured to be tightly abutted against the inner surfaces of the two side folding and dividing straight plates (2) and are firmly connected and tightly contacted.
2. The modular form structure of claim 1, wherein the straight modular form is a steel modular form, the straight modular form is an adjustable steel modular form, the variable cross-section from bottom to top is adjusted by the straight modular form with varying width, that is, a plurality of the straight modular forms with different widths are arranged from bottom to top, the straight modular form and the outer side of the straight modular form are fixed by back ribs, and the back ribs on two adjacent sides are fixed by diagonal tension rods.
3. The modular formwork structure for the construction of the bidirectional variable cross-section fillet cable tower according to claim 1, characterized in that one side of the bidirectional jacking type fastening rod comprises a groove which can extrude the top of the vertical screw (6) at the tail end; the other side of the bidirectional jacking type fastening rod extrudes the diagonal draw bar (7) through the groove; the bidirectional jacking type fastening rod is formed by two screw rods which are embedded in a threaded manner.
4. The combination template structure for the bidirectional variable cross-section fillet cable tower construction as claimed in claim 1, wherein the fixed straight plate and the contracting and separating straight plate are steel templates, the arc angle template is a steel template with R =200mm, the top, middle and bottom of the arc angle template are all provided with perforated connecting plates, and the aperture D =28 mm.
5. The sectional form structure of a bidirectional variable cross-section rounded corner cable tower construction as claimed in claim 1, wherein the shaped straight plate and the receiving and distributing straight plate are bolted.
6. The sectional form structure for constructing a bidirectional variable cross-section rounded corner cable tower according to claim 1, wherein the diameter of the diagonal member is 25 mm.
7. A combined template construction method for bidirectional variable cross-section fillet cable tower construction is characterized by comprising the following steps:
(1) determination of template combination form: according to the cross section change of a cable tower in the transverse bridge direction and the longitudinal bridge direction and the fillet design with R =200mm, the arc angle template is independently taken out and connected with a straight template by adopting an approach connection method, the design concept of 'bolt connection' of the traditional arc angle template and a straight template flange is changed, namely, a customized large steel template is split into 3 single element forms of a shaping straight template, a receiving straight template and an arc angle template, the combined design of the straight template and an arc wrapping plate is adopted to ensure that the arc plate is tightly abutted against the inner surface of the receiving straight plate, the connection is firm and the contact is tight, then the contact surface of the arc angle template and the receiving straight template is improved and designed into a form of polishing the outer side of the arc angle template into a chamfer, the slab staggering of a joint is reduced, the appearance quality of the arc angle of the tower column is improved, and the variable cross section from bottom to top is adjusted by the receiving straight plate with the;
(2) splicing the shaped straight plate and the collecting and separating straight plate: the shaping straight plate and the folding and separating straight plate are spliced, the shaping straight plate is a shaping steel template, the folding and separating straight plate is an adjustable steel template, the variable cross section from bottom to top is adjusted through the folding and separating straight plate with the variable width, the outer side of the folding and separating straight plate is fixed by back ridges, and the back ridges on two adjacent sides of the folding and separating straight plate are fixed by diagonal draw bars;
(3) manufacturing the arc angle template and connecting by an approach method: the inner sides of the right angles of the adjacent two side collecting and dividing straight plates are abutted with arc angle templates which are shaped steel templates, the outer sides of the arc angle templates are polished into chamfers, the arc angle templates follow the combination form of the straight plate arc wrapping plates, and the arc angle templates are connected by adopting an abutting method, so that the dislocation of joints is reduced;
(4) installing an arc angle template structure system: the upper end and the lower end of the arc angle template are connected with the movable angle template fixing plate by adopting vertical screws, and the tail end of the movable angle template fixing plate is provided with the vertical screws to jointly form a structural system of the arc angle template;
(5) fixing the arc angle template: set up two-way top support formula anchorage bar between diagonal draw bar and the vertical screw rod of activity angle mould fixed plate tail end to diagonal draw bar is for supporting, and the vertical screw rod of activity angle mould fixed plate tail end is pushed up tightly to the outside through two-way top support formula anchorage bar, ensures that circular arc angle mould board tightly leans on the straight board internal surface of both sides receipts branch, firm in connection, contact are inseparable.
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| CN202011289487.1A CN112252199A (en) | 2020-11-18 | 2020-11-18 | Combined template structure for bidirectional variable cross-section fillet cable tower construction and construction method |
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| CN202011289487.1A CN112252199A (en) | 2020-11-18 | 2020-11-18 | Combined template structure for bidirectional variable cross-section fillet cable tower construction and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942134A (en) * | 2021-04-06 | 2021-06-11 | 中交二航局第三工程有限公司 | Bridge curve type tower column outer template system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942134A (en) * | 2021-04-06 | 2021-06-11 | 中交二航局第三工程有限公司 | Bridge curve type tower column outer template system |
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