CN108708302B - Bridge structure reinforcing die - Google Patents
Bridge structure reinforcing die Download PDFInfo
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- CN108708302B CN108708302B CN201810778036.0A CN201810778036A CN108708302B CN 108708302 B CN108708302 B CN 108708302B CN 201810778036 A CN201810778036 A CN 201810778036A CN 108708302 B CN108708302 B CN 108708302B
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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Abstract
The invention discloses a bridge structure reinforcing mold which comprises template blocks, embedded pressing blocks, external pressing nuts and outward extending bolts, wherein the template blocks are vertically placed and sequentially abutted to form a cylindrical structure embedded on a reinforcing hoop; the adjacent sides of the end surfaces of the two adjacent template blocks facing the cylindrical structure are abutted together to form line contact, and an included angle with an opening facing a central line far away from the cylindrical structure is formed between the opposite end surfaces of the two adjacent template blocks; embedding pressing blocks which are in an angle block shape and are close to the central line of the cylindrical structure are embedded into the included angle, and the embedding pressing blocks and the corresponding two adjacent template blocks are connected together through bolts formed by external pressing nuts and overhanging bolts. The invention can form a surrounding structure with specific circumferential dimension according to the specific circumferential dimension of the bridge pier, has good adaptability and can meet the reinforcing requirements of the bridge piers of the viaduct with different circumferential dimensions.
Description
Technical Field
The invention belongs to the technical field of bridge repairing instruments, and particularly relates to a bridge structure reinforcing mold.
Background
Chongqing as mountain city makes its urban traffic mainly rely on vertically and horizontally staggered overpass, and consequently the environmental condition of many bridge construction positions is comparatively complicated, needs periodic inspection, is convenient for in time discover bridge structure problem, is convenient for in time consolidate bridge structure.
Specifically, in the traffic road condition of the three-dimensional viaduct with staggered layers, if an accident that a running vehicle collides with a pier occurs, the collided surface of the pier is easy to be damaged and fall off in the accident, and the structural strength of the pier is greatly influenced, so that timely reinforcement and repair are needed.
For the traffic road condition of the three-dimensional viaduct with staggered layers, the smooth and flat requirement of the road limits that piers beside the road should avoid occupying the road surface after the repair is finished, so that an abutment newly-built auxiliary retaining wall reinforcement method and an abutment widening reinforcement method are eliminated, and a reinforced concrete hoop reinforcement method is preferably selected.
When reinforced concrete cuff or sheath reinforcement method are applied to roadside pier and repair and consolidate, because the circumference size of different overpass piers is not of uniform size, make the size of pier reinforcement cuff differ, consequently, the structure of the reinforcement mould of reinforcing cuff has been proposed the requirement to preparation, should possess the characteristics that form adaptability enclosure structure according to pier circumference size, the efficiency of construction should be improved simultaneously, it is unobstructed to guarantee the traffic flow of construction highway section, also propose the requirement to the structure of reinforcing mould, make the reinforcement mould have the loading and unloading convenient, characteristics such as efficiency of construction height, reduce the interference to current traffic as far as possible.
Disclosure of Invention
The invention provides a bridge structure reinforcing mold aiming at the existing problems.
The technical scheme of the invention is as follows:
the invention provides a bridge structure reinforcing mold which comprises a damaged pier, a damaged part, a reinforcing hoop and a reinforcing mold, wherein the damaged part is arranged at the bottom of the damaged pier, the reinforcing hoop is fixedly arranged at the damaged part around the outer circumference direction of the damaged pier, the reinforcing hoop is externally embedded and sleeved with the reinforcing mold, the reinforcing mold comprises template blocks, embedded pressing blocks, external pressing nuts and overhanging bolts, and a plurality of template blocks are vertically placed and sequentially abutted to form a cylindrical structure embedded on the reinforcing hoop;
adjacent sides of the two adjacent template blocks facing the end face of the cylindrical structure abut against each other to form line contact, and an included angle with an opening facing away from the center line of the cylindrical structure is formed between the opposite end faces of the two adjacent template blocks;
embedding pressing blocks which are in an angle block shape and are close to the central line of the cylindrical structure are embedded into the included angles, and the embedding pressing blocks and the two corresponding adjacent template blocks are connected together through bolts formed by the outer pressing nuts and the outer extending bolts.
Furthermore, the template block comprises a surrounding substrate, box side plates and inner side extension plates, the surrounding substrate is of a rectangular plate-shaped structure and is vertically placed, the end face of the surrounding substrate, facing the center line of the cylindrical structure, is parallel to the center line of the cylindrical structure, the box side plates extending in the direction away from the center line of the cylindrical structure are fixedly arranged at the four edges of the end face of the surrounding substrate, away from the center line of the cylindrical structure, respectively, the box side plates and the surrounding substrate form a box body structure, a plurality of inner side extension plates which are uniformly distributed from top to bottom and extend towards the center of the box body structure are fixedly arranged at the edges of the left inner side wall and the right inner side wall of the box body structure, away from the surrounding substrate, respectively, and the outward extending bolts vertically penetrate through the inner side extension plates and extend outwards from the inside of the.
Furthermore, the extending direction of the inner side board is parallel to the surrounding substrate, a through round hole is formed in the inner side board, and the overhanging bolt penetrates through the through round hole and extends outwards from the inside of the box body structure.
Further, the overhanging bolt is nested and connected with an intermediate nut in a threaded mode, and the intermediate nut abuts against the end face, facing the outside of the box body structure, of the inner side plate.
Furthermore, the embedded pressing block comprises a vertical base plate, an outer side extension plate and a top angle dividing block, the vertical base plate is of a rectangular plate-shaped structure, the upper end and the lower end of the vertical base plate are respectively flush with the upper end and the lower end of the template block, the center of the end face, close to the center line of the cylindrical structure, of the vertical base plate is fixedly provided with the top angle dividing block, the upper end and the lower end of the top angle dividing block are respectively flush with the upper end and the lower end of the vertical base plate, and the top angle dividing block is embedded into the included angle and extends inwards towards the included angle in a manner of being mutually close to the end faces which are;
the left side and the right side of the vertical base plate are respectively and fixedly provided with a plurality of outer extending plates in an evenly distributed mode from top to bottom, the outer extending plates are parallel to the vertical base plate, the end portions, extending out of the formwork blocks, of the extending bolts penetrate through the outer extending plates, outer pressing nuts are nested on the extending bolts and connected with the extending bolts in a threaded mode, and the outer pressing nuts press against the end faces, far away from the formwork blocks, of the outer extending plates.
Furthermore, a transverse long hole penetrates through the outer side plate, a straight line where the length of the transverse long hole is located is perpendicular to the center line of the cylindrical structure in a different plane, the width of the transverse long hole is matched with the width of the outer extending bolt, and the outer extending bolt penetrates through the transverse long hole.
Furthermore, the top corner-dividing block is of a triangular prism structure with a cross section of an isosceles triangle structure, and the edge of the top corner faces the center line of the cylindrical structure.
Further, the cross section of the top sub-angle block is of a right-angle isosceles triangle structure.
Further, the reinforcing hoop is made of reinforced concrete.
Furthermore, before the reinforcing hoop is arranged on the damaged bridge pier through the reinforcing mold, the damaged part of the bridge pier is repaired and cleaned, so that the damaged part of the bridge pier is restored to the original curved surface structure.
Due to the adoption of the technology, compared with the prior art, the invention has the following specific positive beneficial effects:
1. the invention can form a surrounding structure with specific circumferential dimension according to the specific circumferential dimension of the bridge pier, has good adaptability and can meet the reinforcing requirements of the bridge piers of the viaduct with different circumferential dimensions.
2. According to the invention, the included angle is formed by approaching two adjacent template blocks, the embedding block is embedded in the included angle, and the embedding block is connected with the two adjacent template blocks by using bolts, so that the combination property is good, the assembly and disassembly are convenient, and the construction efficiency can be effectively improved.
3. The embedded pressing block and the template block respectively adopt steel welding structures, so that the structure is safe and reliable, the product performance is good, and the service life is long.
4. The cylindrical structure formed by the template block surrounding the pier can form a matching shape with the inner surface of the cylindrical structure and the outer side surface of the pier at equal intervals according to the specific shape of the pier, and the material loss is reduced while the pier is reinforced to ensure that the reinforcing strength of the pier in the circumferential direction is the same.
Drawings
Fig. 1 is a structural schematic view of a pier damaged after being collided;
FIG. 2 is a schematic structural view of a reinforced bridge pier;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view of the structure of one insert block and two adjacent mold blocks in the present invention;
FIG. 5 is a schematic structural view of an insert press block according to the present invention;
fig. 6 is a schematic view of the structure of the template block in the present invention.
In the figure: 1-intact pier, 2-road surface, 3-damaged part, 4-damaged pier, 5-reinforcing hoop, 6-template block, 7-embedded pressing block, 8-external pressing nut, 9-overhanging bolt, 10-middle nut, 71-vertical base plate, 72-external side extension plate, 73-transverse long hole, 74-top corner-dividing block, 61-surrounding base plate, 62-box side plate, 63-internal side extension plate and 64-through round hole.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
Further, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, a road surface between a bridge pier which is damaged before being damaged and a bridge pier which is intact is used as a traffic passing road surface, if the road surface fluctuates before passing through the bridge pier, the situation is particularly common in cities with mountains in Chongqing and the like in China, and when an automobile passes through the road surface, the automobile is easy to collide with the bridge pier of a viaduct due to improper operation of a driver, so that the damaged bridge pier is generated.
Embodiment 1, as shown in fig. 3 to 6, the present invention provides a bridge structure reinforcing mold, including a damaged pier 4, a damaged portion 3, a reinforcing hoop 5 and a reinforcing mold, where the damaged portion 3 is at the bottom of the damaged pier 4, the damaged portion 3 is fixedly provided with the reinforcing hoop 5 made of reinforced concrete around the outer circumference of the damaged pier 4, the reinforcing hoop 5 is externally embedded with the reinforcing mold, the reinforcing mold includes a mold block 6, an embedded block 7, an external pressing nut 8 and an external bolt 9, and a plurality of mold blocks 6 are vertically placed and sequentially abutted together to form a cylindrical structure embedded on the reinforcing hoop 5;
the adjacent sides of the end faces, facing the cylindrical structure, of the two adjacent template blocks 6 are abutted together to form line contact, and an included angle is formed between the opposite end faces of the two adjacent template blocks 6, wherein the opening of the included angle faces to a center line far away from the cylindrical structure;
embedding pressing blocks 7 which are in an angle block shape and are close to the central line of the cylindrical structure are embedded in the included angle, and the embedding pressing blocks 7 and the corresponding two adjacent template blocks 6 are connected together through bolts formed by external pressing nuts 8 and external extending bolts 9.
The template block 6 comprises a surrounding substrate 61, a box side plate 62 and an inner side extension plate 63, the surrounding substrate 61 in a rectangular plate-shaped structure is vertically placed and faces the end face of the center line of the cylindrical structure and is parallel to the center line of the cylindrical structure, four edges of the end face of the center line of the cylindrical structure, away from the cylindrical structure, of the surrounding substrate 61 are respectively and fixedly provided with the box side plate 62 extending in the direction away from the center line of the cylindrical structure, the box side plate 62 and the surrounding substrate 61 form a box body structure, the edge positions, away from the surrounding substrate 61, on the left inner side wall and the right inner side wall of the box body structure are respectively and fixedly provided with a plurality of inner side extension plates 63 which are uniformly distributed from top to bottom and extend towards the center of the box body structure, and.
The extending direction of the inner side extending plate 63 is parallel to the surrounding base plate 61, a through round hole 64 is arranged on the inner side extending plate 63, and the extending bolt 9 penetrates through the through round hole 64 and extends outwards from the box body structure.
The overhanging bolt 9 is nested and connected with a middle nut 10 in a threaded mode, and the middle nut 10 abuts against the end face, facing the outside of the box body structure, of the inner side plate 63.
The embedded pressing block 7 comprises a vertical base plate 71, an outer side extension plate 72 and a top dividing angle block 74, the vertical base plate 71 is of a rectangular plate-shaped structure, the upper end and the lower end of the vertical base plate 71 are respectively flush with the upper end and the lower end of the template block 6, the center of the end face, close to the center line of the cylindrical structure, of the vertical base plate 71 is fixedly provided with the top dividing angle block 74, the upper end and the lower end of the top dividing angle block 74 are respectively flush with the upper end and the lower end of the vertical base plate 71, and the top dividing angle block 74 is embedded into an included angle and extends inwards in the included;
the left side and the right side of the vertical base plate 71 are respectively and fixedly provided with a plurality of outer extending plates 72 from top to bottom in an evenly distributed mode, the outer extending plates 72 are parallel to the vertical base plate 71, the end portions, extending out of the template blocks 6, of the outer extending bolts 9 penetrate through the outer extending plates 72, the outer extending bolts 9 are nested and in threaded connection with outer pressing nuts 8, and the outer pressing nuts 8 are pressed on the end faces, far away from the template blocks 6, of the outer extending plates 72.
The outer side plate 72 is provided with a transverse long hole 73 in a penetrating mode, the straight line of the length of the transverse long hole 73 is perpendicular to the center line of the cylindrical structure in a different plane, the width of the transverse long hole 73 is matched with that of the extending bolt 9, the extending bolt 9 penetrates through the transverse long hole 73, the length of the transverse long hole 73 is twice of the width of the transverse long hole 73, and the width of the transverse long hole 73 is equal to the size of the outer diameter of the extending bolt 9.
By adopting the technical scheme, before the reinforcing hoop 5 is arranged on the damaged pier 4 through the reinforcing die, the damaged part 3 is repaired and cleaned, so that the damaged part 3 is restored to the original curved surface structure, and the main steps of repairing the damaged part of the pier are as follows:
(1) cleaning the damaged part, manually removing loosened and damaged concrete at the damaged part 3 of the pier, wherein the removing depth is based on the hard layer of the substrate, taking attention to no electric tool for construction, avoiding new cracking caused by mechanical vibration, and chiseling the repaired boundary into a right angle;
(2) cleaning a substrate: removing all dust, laitance and the like to keep the base surface clean;
(3) derusting and rust resisting of exposed steel bars: when removing the chisel, if the reinforcing steel bar is exposed, removing the mixed soil to 10mm behind the reinforcing steel bar, simply removing rust on the surface of the reinforcing steel bar by using a wire brush, and then coating the cement-based reinforcing steel bar rust inhibitor for 2 times;
(4) wetting the basal plane: washing the base surface of the repaired part with water, fully wetting the base surface and reaching the saturated surface dryness, and paying attention to no clear water before construction;
(5) preparing materials: adding clear water into a clean container, slowly pouring a bag of concrete quick repair material into the container, stirring for 2min, properly adjusting the thickness according to the actual use condition on the basis of completely wetting all powder, paying attention to not excessively dilute the powder, not excessively preparing the material once, and taking 20min as the basis of using up the material, thereby avoiding the waste of the prepared material;
(6) repairing: and coating a layer of just adjusted repairing material on the prepared base surface as an interface agent, immediately and forcibly coating repairing mortar on the newly coated and wetted repairing material coating by using a spatula, and repairing from the repairing center to the edge by using the spatula to ensure that the repairing material is coordinated with the surface of the original structure. And scraping the repair mortar by using a spatula along with the hardening of the repair mortar. And after the first layer of repair mortar is finally set, coating a second layer. The thickness of each layer of repairing is 25-30 mm, and the repairing is finished by removing the layers until the repairing is finished, so that the damaged part 3 of the pier is restored to the original curved surface structure;
(7) and (5) maintenance: under normal conditions, the repair mortar is kept wet for 4 hours after hardening.
After the damaged part 3 of the damaged pier 4 is restored to the original curved surface structure, in order to ensure the support strength of the pier, the reinforcing hoop 5 is arranged at the bottom of the damaged pier 4 through the reinforcing mould, so that the damaged part 3 of the pier is covered by the reinforcing hoop 5 to reinforce the pier.
When the reinforcing mold is used, according to the general requirement of bridge reinforcement, according to the existence of an abutment at the bottom of a pier, the direct abutment or the cleaning on the pavement 2 is determined, so that the area within 2m around the pier is used as a flat base plane for placing the mold, if the abutment exists, the flat base plane is prevented from exceeding the abutment as much as possible, then according to the size of the pier, holes are sequentially drilled and bar-planted at the circumferential position 100mm-240mm away from the side surface of the pier, then according to the size of the pier, the circumferential size of a cylindrical structure needing to be surrounded by the template block 6 is determined at the circumferential position 200mm-400mm away from the side surface of the pier, the circumferential length of the cylindrical structure where the template block 6 is located is 100mm-200mm, the circumferential size of the cylindrical structure is divided by the circumferential length of the cylindrical structure where the template block 6 is located, the quotient is added after the quotient is rounded, and the number of the required template blocks, then, two template blocks 6 are erected around the damaged pier 4, the surrounding base plates 61 of the two template blocks 6 face the damaged pier 4, the inner side extension plates 63 of the two template blocks 6 are far away from the damaged pier 4, the two template blocks 6 are abutted together to form an included angle, then the embedded block 7 is pressed on the included angle, the top corner dividing block 74 is embedded into the included angle, then the inner side extension plates 63 and the outer side extension plates 72 are connected through the bolt connection formed by the outer pressing nuts 8 and the outer pressing bolts 9, in order to improve the installation efficiency of the bolt connection, an electric wrench can be used for repeating the combined installation of the template blocks 6 and the embedded block 7, finally the whole reinforcing mold is installed, the damaged pier 4 is wound, four rod bodies with the lengths of 200mm-400mm are embedded between the upper end of the cylindrical structure and the damaged pier, so that the damaged pier 4 is positioned in the center of the cylindrical structure, then the conventional reinforced concrete preparation processes such as pouring, maintenance and the like are completed in sequence.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. In terms of the materials used for the parts of the invention, if the parts are described by the term of elasticity, the parts can be made of spring steel or rubber; if the parts are described with the term "rigid", steel or hard engineering plastics may be used. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a bridge structures consolidates mould, includes impaired pier, impaired department, consolidates the cuff and consolidates the mould, impaired being in the bottom of impaired pier impaired department and around the outer circumferencial direction of impaired pier is fixed to be provided with consolidate the cuff, it has to consolidate the cuff outer the cover consolidate the mould, its characterized in that: the reinforcing mold comprises template blocks, an embedded pressing block, an external pressing nut and an external extending bolt, wherein the template blocks are vertically placed and sequentially abutted to form a cylindrical structure embedded on the reinforcing hoop;
adjacent sides of the two adjacent template blocks facing the end face of the cylindrical structure abut against each other to form line contact, and an included angle with an opening facing away from the center line of the cylindrical structure is formed between the opposite end faces of the two adjacent template blocks;
embedding pressing blocks which are in an angle block shape and are close to the central line of the cylindrical structure are embedded into the included angles, and the embedding pressing blocks and the corresponding two adjacent template blocks are connected together through bolts formed by the outer pressing nuts and the outer extending bolts respectively;
the template block comprises a surrounding substrate, box side plates and inner side extension plates, the surrounding substrate in a rectangular plate-shaped structure is vertically placed, the end face of the surrounding substrate facing the center line of the cylindrical structure is parallel to the center line of the cylindrical structure, the four edges of the end face of the surrounding substrate far away from the center line of the cylindrical structure are respectively and fixedly provided with the box side plates extending in the direction far away from the center line of the cylindrical structure, the box side plates and the surrounding substrate form a box body structure, the edges of the left inner side wall and the right inner side wall of the box body structure far away from the surrounding substrate are respectively and fixedly provided with a plurality of inner side extension plates which are uniformly distributed from top to bottom and extend towards the center of the box body structure, and the outward extending bolts are vertical to penetrate through the inner side extension plates and extend outwards from the inside of;
the embedded pressing block comprises a vertical base plate, an outer side extension plate and a top angle dividing block, the vertical base plate is of a rectangular plate-shaped structure, the upper end and the lower end of the vertical base plate are respectively flush with the upper end and the lower end of the template block, the center of the end face, close to the center line of the cylindrical structure, of the vertical base plate is fixedly provided with the top angle dividing block, the upper end and the lower end of the top angle dividing block are respectively flush with the upper end and the lower end of the vertical base plate, and the top angle dividing block is embedded into the included angle and extends towards the inside of the included angle in a manner of being close to each other;
the left side and the right side of the vertical base plate are respectively and fixedly provided with a plurality of outer extending plates in an evenly distributed mode from top to bottom, the outer extending plates are parallel to the vertical base plate, the end portions, extending out of the formwork blocks, of the extending bolts penetrate through the outer extending plates, outer pressing nuts are nested on the extending bolts and connected with the extending bolts in a threaded mode, and the outer pressing nuts press against the end faces, far away from the formwork blocks, of the outer extending plates.
2. The bridge structure reinforcing mold according to claim 1, wherein: the extending direction of the inner side plates is parallel to the surrounding base plate, through round holes are formed in the inner side plates, and the extending bolts penetrate through the through round holes and extend outwards from the inside of the box body structure.
3. The bridge structure reinforcing mold according to claim 2, wherein: the middle nut is nested on the overhanging bolt and connected with the overhanging bolt in a threaded mode, and the middle nut is abutted against the end face, facing the outside of the box body structure, of the inner side plate.
4. The bridge structure reinforcing mold according to claim 1, wherein: the outer side plates are provided with transverse long holes in a penetrating mode, straight lines of the length of the transverse long holes are perpendicular to the center line of the cylindrical structure in a different plane mode, the width of the transverse long holes is matched with the width of the outer extending bolts, and the outer extending bolts penetrate through the transverse long holes.
5. A bridge construction strengthening mould according to claim 4, characterized in that: the top angle-dividing block is of a triangular prism structure with a cross section of an isosceles triangle structure, and the edge of the top angle faces the center line of the cylindrical structure.
6. A bridge construction strengthening mould according to claim 3, wherein: the cross section of the top angle-dividing block is of a right-angle isosceles triangle structure.
7. The bridge structure reinforcing mold according to claim 1, wherein: the reinforcing hoop is made of reinforced concrete.
8. A bridge construction strengthening mould according to any one of claims 1-7, wherein: before the reinforcing hoop is arranged on the damaged bridge pier through the reinforcing mold, the damaged part of the bridge pier is repaired and cleaned, so that the damaged part of the bridge pier is restored to the original curved surface structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810778036.0A CN108708302B (en) | 2018-07-16 | 2018-07-16 | Bridge structure reinforcing die |
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|---|---|---|---|
| CN201810778036.0A CN108708302B (en) | 2018-07-16 | 2018-07-16 | Bridge structure reinforcing die |
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| CN108708302A CN108708302A (en) | 2018-10-26 |
| CN108708302B true CN108708302B (en) | 2020-12-22 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8801677A (en) * | 1988-07-01 | 1990-02-01 | Darya Paye Jetty Co Ltd | METHOD FOR MANUFACTURING A LOST FORMWORK AND WINDOWS FOR USE DURING THIS METHOD |
| CN106400695B (en) * | 2016-11-24 | 2018-12-18 | 山东鲍尔浦塑胶股份有限公司 | A kind of bridge pier protection structure and its construction method |
| KR101983719B1 (en) * | 2016-12-22 | 2019-05-29 | 정만식 | Permanent form for pier and construction method using the same |
| CN206736741U (en) * | 2017-05-04 | 2017-12-12 | 新疆维泰开发建设（集团）股份有限公司 | A kind of general bridge composite erecting formwork of straight, curved line |
| CN207314127U (en) * | 2017-10-08 | 2018-05-04 | 中铁五局集团第二工程有限责任公司 | The groove formula Railway Bridges And Piers template can quickly splice, dismantled |
| CN108265635B (en) * | 2017-12-20 | 2019-04-23 | 中铁广州工程局集团有限公司 | A kind of coastal dock is hurt bridge pier by damage and does not repair reinforcement method under Unloading Condition |
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