CN111186017A - Combined template for hollowed-out bridge panel - Google Patents
Combined template for hollowed-out bridge panel Download PDFInfo
- Publication number
- CN111186017A CN111186017A CN202010103147.9A CN202010103147A CN111186017A CN 111186017 A CN111186017 A CN 111186017A CN 202010103147 A CN202010103147 A CN 202010103147A CN 111186017 A CN111186017 A CN 111186017A
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- Prior art keywords
- comb
- plate
- steel
- prefabricated base
- shaped plates
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 4
- 238000009415 formwork Methods 0.000 claims description 15
- 239000011440 grout Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 30
- 239000004567 concrete Substances 0.000 abstract description 19
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 239000011150 reinforced concrete Substances 0.000 description 8
- 239000002131 composite material Substances 0.000 description 6
- 238000009417 prefabrication Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- 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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
-
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a combined type template for hollowed-out bridge panels, which comprises comb-shaped plates, a prefabricated base and a prefabricated base, wherein the comb-shaped plates are arranged on the prefabricated base and used for fixing the positions of reinforcing steel bars on the prefabricated base; the end mold comb-shaped plates are in lap joint with the side mold comb-shaped plates and jointly fix the positions of the steel bars on the prefabricated base; the pre-groove comb-shaped plate fixes the position of the reinforcing steel bar near the pre-groove. The method solves the technical problems of long construction period, low standardization degree and high cost of the connecting part of the steel-concrete structure caused by low construction operation accuracy of the connecting technology of the steel structure and the concrete structure in the bridge construction at the present stage.
Description
Technical Field
The invention relates to the field of upper structure construction of a steel-concrete composite beam bridge, in particular to a combined template for hollowing out a bridge panel.
Background
In recent years, the steel-concrete composite beam has been more and more widely applied to urban overpasses in China as a new technology and a new process, and is developing towards the direction of large span.
At present, most of steel-concrete composite beams in China are common single-box steel-concrete composite beams, are mostly applied to regions with flat terrain, have small engineering quantity, generally adopt a construction method of firstly hoisting steel beams and then integrally casting concrete bridge decks, and have low construction efficiency and high cost. The fabricated structure has the advantages of high construction efficiency, standardized construction, high industrial degree and easy control of construction quality, so that the fabricated steel-concrete composite beam bridge is gradually popularized as a new technology and a new process bridge in China.
The problem to be solved primarily by the assembled steel-concrete composite structure is the connection problem of a steel structure and a concrete structure, the processing technology of the steel structure in China is advanced and mature at present, but the construction technology of the special-shaped concrete member is not mature, and the standardized and more accurate construction operation is difficult to realize; particularly, the design of the corresponding combined template causes the technical problems of long construction period, low standardization degree and inaccurate construction operation and high construction cost of the connecting part of the steel-concrete structure in the construction of the bridge fabricated structure.
Disclosure of Invention
The invention mainly aims to provide a combined type formwork for hollowed-out bridge panels, and aims to solve the technical problems of long construction period, low standardization degree and high cost of a connecting part of a steel-concrete structure due to low construction operation accuracy of a connecting technology of the steel structure and the concrete structure in bridge construction at the present stage.
In order to achieve the above object, according to one aspect of the present application, there is provided a sectional formwork for hollowing out a bridge deck.
The combined template for hollowing out the bridge panel comprises the following components:
the comb-shaped plates are arranged on the prefabricated base, fix the positions of the steel bars on the prefabricated base and comprise end die comb-shaped plates, side die comb-shaped plates and reserved groove comb-shaped plates;
the end mold comb-shaped plates are in lap joint with the side mold comb-shaped plates and jointly fix the positions of the steel bars on the prefabricated base; the pre-groove comb-shaped plate fixes the position of the reinforcing steel bar near the pre-groove.
Furthermore, the side-die comb-shaped plate comprises a side beam cantilever end adjusting system arranged on the side-die comb-shaped plate.
Furthermore, the edge beam cantilever end adjusting system comprises a plurality of groups of moving assemblies for assisting the side-form comb-shaped plate to translate.
Furthermore, the movable assembly comprises a telescopic arm, a channel steel and a sliding groove, wherein the telescopic arm corresponds to the sliding groove and is fixed on the prefabricated base, and the channel steel drives the side die comb-shaped plate to move.
Further, the device comprises a bottom paving steel plate arranged between the prefabricated base and the comb-shaped plate.
Furthermore, the bottom paving steel plate is matched with the prefabricated base, and structural holes are formed in the bottom paving steel plate corresponding to the reserved grooves.
Furthermore, the bottom paving steel plate is provided with a limiting strip for limiting the position of the comb-shaped plate.
Furthermore, the comb-shaped plate comprises opposite pull rods arranged at two opposite sides of the comb-shaped plate.
Furthermore, the device comprises a pulp stopping strip arranged on the outer side of the comb-shaped plate.
Furthermore, the grout stopping strip is connected with the comb-shaped plate through a clamping piece.
In the embodiment of the invention, the steel bars on the prefabricated base are fixed through the comb-shaped plates in a mode of fixing the positions of the steel bars in the reinforced concrete structure, so that the aim of improving the prefabrication operation precision of the reinforced concrete structure is fulfilled, the prefabrication operation of the reinforced concrete bridge deck is more standardized, the operation precision is more accurate, the structure of a finished product is more stable, the performance is further improved, and the technical effects of long construction period of a connecting part of the reinforced concrete structure, low standardization degree and high cost caused by low construction operation precision of the connecting technology of the steel structure and the concrete structure in bridge construction at the present stage are further solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the invention and to make further features, objects, and advantages of the invention apparent. The drawings and their description illustrate exemplary embodiments of the invention and do not limit it inappropriately. In the drawings:
FIG. 1 is a schematic structural diagram of a combined formwork for hollowing out a bridge deck according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a use status of the combined formwork for hollowing out a bridge deck according to an embodiment of the present invention;
fig. 3 is a partial structural schematic diagram of a combined formwork for hollowing out a bridge panel according to an embodiment of the present invention.
Reference numerals
1: an end mold comb plate; 2: a side-form comb plate; 3: a pre-groove comb plate; 4: a side beam cantilever end adjustment system; 5: a telescopic arm; 6: channel steel; 7: a chute; 8: paving a bottom steel plate; 9: a limiting strip; 10: and (4) a pull rod.
Detailed Description
In order to make the person skilled in the art better understand the application scheme of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, shall fall within the scope of protection of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present application are described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the drawings.
As shown in fig. 1, the present invention relates to a combined formwork for a hollowed-out bridge deck, which comprises a comb-shaped plate disposed on a prefabricated base for fixing the position of a steel bar on the prefabricated base; the comb-shaped plates comprise a die comb-shaped plate 1, a side die comb-shaped plate 2 and a reserved groove comb-shaped plate 3, the end die comb-shaped plate 1 is in lap joint with the side die comb-shaped plate 2 to jointly fix the positions of the steel bars on the prefabricated base; the 3 plates of the pre-groove comb shape fix the position of the steel bar near the pre-groove. In a preferred embodiment of the present application, the comb plate is an inverted comb plate. The comb-shaped plate template preferably adopts a steel plate with the thickness of 1 cm.
As shown in fig. 1 and 2, in a preferred embodiment of the present invention, the side-form comb plate includes an edge beam cantilever end adjusting system 4 disposed on the side-form comb plate 2, the edge beam cantilever end adjusting system 4 includes a plurality of sets of moving components for assisting the side-form comb plate in translating, as shown in fig. 3, the moving components include a telescopic arm 5, a channel steel 6 and a chute 7, and the telescopic arm 5 drives the side-form comb plate 2 to move by corresponding to the channel steel 7 fixed on the prefabricated base through the chute 6, so as to adjust the size of the actually poured hollowed bridge panel.
In the preferred embodiment of the present application, the prefabricated base comprises a bottom-laying steel plate 8 arranged between the prefabricated base and the comb-shaped plate, the bottom-laying steel plate 8 is fitted with the prefabricated base, and the bottom-laying steel plate 8 is provided with structural holes corresponding to the reserved grooves. The use of the bottom paving steel plate 8 on plates can be reduced, the cost is reduced, and meanwhile, the installation of the pre-groove comb-shaped plate 3 is conveniently locked in position.
In the preferred embodiment of the present invention, the bottom-laying steel plate 8 is provided with a position-limiting strip 9 for limiting the position of the comb-shaped plate, and opposite sides of the comb-shaped plate are provided with opposite pull rods 10. In a further preferred embodiment of the present application, in order to prevent concrete grout from flowing out through the gaps of the comb plate, grout stopping strips are provided on the outside of the comb plate, and are connected to the comb plate by means of snap-in members.
In the preferred embodiment of the invention, the combined type template of the hollowed bridge panel consists of an edge beam cantilever end adjusting system 4, an end template comb-shaped plate 1, a side template comb-shaped plate 2 and a pre-groove comb-shaped plate 3. The comb-shaped plates are mainly manufactured by combining a steel plate with the thickness of 1cm with a specific construction design drawing. Adopt phi 10 plain steel muscle to carry on spacingly as spacing 9 between comb plate bottom and the steel sheet 8 of spreading the end (plain steel muscle welds the steel sheet at the bottom of spreading in advance), upper portion adopts phi 22 finish rolling screw-thread steel to come to carry out the opposite drawing fixedly to the comb plate of relative setting as counter-pull rod 10, and the boundary beam cantilever is realized through setting up cantilever end template governing system 4. The side beam cantilever end adjusting system 4 is preferably composed of a No. 10 channel steel 6, a telescopic arm 5 and a sliding chute 7 and is arranged on the side mold comb-shaped plate 2, the channel steel 6 is welded on a bottom laying steel plate 8, and a phi 25mm hole is drilled at a proper position of the channel steel 6 for position fixing in construction; one end of the telescopic arm 5 is welded with the side-form comb-shaped plate 2, the position of a chute 7 of the telescopic arm is connected with a channel steel 6 through a phi 22 bolt, and the relative position of the side-form comb-shaped plate 2 and the channel steel 6 is adjusted through the chute 7.
The combined type template for the hollowed-out bridge deck, provided by the invention, is applied to the prefabrication construction of the steel-concrete combined beam bridge deck, and has good construction effects on the aspects of concrete construction quality, turnover rate of the combined template, universality of a pedestal and the like.
In the embodiment of the invention, the steel bars on the prefabricated base are fixed through the comb-shaped plates in a mode of fixing the positions of the steel bars in the reinforced concrete structure, so that the aim of improving the prefabrication operation precision of the reinforced concrete structure is fulfilled, the prefabrication operation of the reinforced concrete bridge deck is more standardized, the operation precision is more accurate, the structure of a finished product is more stable, the performance is further improved, and the technical effects of long construction period of a connecting part of the reinforced concrete structure, low standardization degree and high cost caused by low construction operation precision of the connecting technology of the steel structure and the concrete structure in bridge construction at the present stage are further solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a combination formula template for fretwork bridge panels which characterized in that includes:
the comb-shaped plates are arranged on the prefabricated base, fix the positions of the steel bars on the prefabricated base and comprise end die comb-shaped plates, side die comb-shaped plates and reserved groove comb-shaped plates;
the end mold comb-shaped plates are in lap joint with the side mold comb-shaped plates and jointly fix the positions of the steel bars on the prefabricated base; the pre-groove comb-shaped plate fixes the position of the reinforcing steel bar near the pre-groove.
2. The modular formwork of claim 1, comprising a side beam cantilever end adjustment system disposed on the side-form comb plate.
3. The modular formwork of claim 2, wherein the edge beam cantilever end adjustment system comprises a plurality of sets of moving components that assist the side-form comb plate in translation.
4. The combined type formwork for the hollowed-out bridge panel according to claim 3, wherein the moving assembly comprises a telescopic arm, a channel steel and a sliding groove, and the telescopic arm drives the side-form comb-shaped plate to move corresponding to the channel steel fixed on the prefabricated base through the sliding groove.
5. The modular formwork for openwork bridge deck as claimed in any one of claims 1 to 4, comprising a bedding steel plate disposed between the prefabricated base and the comb plate.
6. The combined type formwork for hollowed-out bridge panels as claimed in claim 5, wherein the bottom-laying steel plate is fitted with the prefabricated base, and structural holes are formed in the bottom-laying steel plate corresponding to the preformed grooves.
7. The combined type formwork for the hollowed-out bridge panel according to claim 6, wherein a limiting strip for limiting the position of the comb-shaped plate is arranged on the bottom laying steel plate.
8. The modular formwork of claim 1, comprising tie rods disposed on opposite sides of the comb plate.
9. The modular formwork of claim 1, comprising grout stop strips disposed on the outside of the comb-shaped plate.
10. The modular formwork of claim 9, wherein the grout stop strip is connected to the comb plate by a snap-fit element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010103147.9A CN111186017A (en) | 2020-02-19 | 2020-02-19 | Combined template for hollowed-out bridge panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010103147.9A CN111186017A (en) | 2020-02-19 | 2020-02-19 | Combined template for hollowed-out bridge panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111186017A true CN111186017A (en) | 2020-05-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010103147.9A Pending CN111186017A (en) | 2020-02-19 | 2020-02-19 | Combined template for hollowed-out bridge panel |
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| Country | Link |
|---|---|
| CN (1) | CN111186017A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267382A (en) * | 2020-10-13 | 2021-01-26 | 台州市交通勘察设计院 | Prestressed steel-concrete composite beam anchor groove construction method |
| CN112832135A (en) * | 2021-01-06 | 2021-05-25 | 中铁大桥局集团第一工程有限公司 | Positioning method and positioning tool for inner-shrinkage type lining pipe corrugated pipe |
| CN113373808A (en) * | 2021-06-10 | 2021-09-10 | 中铁隧道局集团建设有限公司 | Steel guardrail base and bridge deck integrated prefabricated slab, prefabricated formwork and construction method |
| CN113931076A (en) * | 2021-11-09 | 2022-01-14 | 安徽省公路桥梁工程有限公司 | Bridge deck prefabrication and installation construction method for steel plate combined beam bridge transition section |
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| CN102199916A (en) * | 2011-04-12 | 2011-09-28 | 中铁三局集团有限公司 | Cradle for pouring bridge cantilever and construction method of cradle |
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| CN109910142A (en) * | 2018-12-03 | 2019-06-21 | 中交一公局集团有限公司 | Integral reinforced concrete hollowed-out tire seat template with prefabricated bearing bridge deck |
| CN211729676U (en) * | 2020-02-19 | 2020-10-23 | 中交路桥建设有限公司 | Combined template for hollowed-out bridge panel |
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2020
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267382A (en) * | 2020-10-13 | 2021-01-26 | 台州市交通勘察设计院 | Prestressed steel-concrete composite beam anchor groove construction method |
| CN112267382B (en) * | 2020-10-13 | 2021-12-07 | 台州市交通勘察设计院有限公司 | Prestressed steel-concrete composite beam anchor groove construction method |
| CN112832135A (en) * | 2021-01-06 | 2021-05-25 | 中铁大桥局集团第一工程有限公司 | Positioning method and positioning tool for inner-shrinkage type lining pipe corrugated pipe |
| CN113373808A (en) * | 2021-06-10 | 2021-09-10 | 中铁隧道局集团建设有限公司 | Steel guardrail base and bridge deck integrated prefabricated slab, prefabricated formwork and construction method |
| CN113931076A (en) * | 2021-11-09 | 2022-01-14 | 安徽省公路桥梁工程有限公司 | Bridge deck prefabrication and installation construction method for steel plate combined beam bridge transition section |
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