CN108867373B - Template system for reinforced concrete bridge deck and construction method - Google Patents
Template system for reinforced concrete bridge deck and construction method Download PDFInfo
- Publication number
- CN108867373B CN108867373B CN201810864074.8A CN201810864074A CN108867373B CN 108867373 B CN108867373 B CN 108867373B CN 201810864074 A CN201810864074 A CN 201810864074A CN 108867373 B CN108867373 B CN 108867373B
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- template
- plate
- plates
- baffle
- top plate
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 17
- 238000010276 construction Methods 0.000 title abstract description 6
- 244000126211 Hericium coralloides Species 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 230000002787 reinforcement Effects 0.000 claims abstract description 25
- 239000004567 concrete Substances 0.000 claims abstract description 8
- 238000009415 formwork Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a template system for a reinforced concrete bridge deck and a construction method, wherein the template system comprises a bottom template, a flank template and a comb tooth template; the flank template comprises a fixed plate connected with the bottom template and a plurality of baffles arranged on the fixed plate; the baffles are sequentially arranged at intervals along the length direction of the fixed plate; the comb tooth template comprises a top plate and a plurality of toothed plates vertically fixed on the lower surface of the top plate, wherein the toothed plates are vertically inserted on the steel reinforcement framework, are positioned on the inner side of the baffle and are propped against the baffle, and the toothed plates are sequentially arranged at intervals along the length direction of the top plate. The baffle and the toothed plate are inserted between the steel bars of the steel bar framework, the toothed plate is positioned at the inner side of the baffle and is propped against the baffle, on one hand, the baffle forms extrusion on the comb template when concrete is poured, the comb template is prevented from being displaced outwards, dislocation between the flank template and the comb template is avoided, the perpendicularity of the comb template is ensured, on the other hand, bolts are not used on the upper layer and the lower layer, the engineering quantity is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of bridge formwork manufacture and installation, in particular to a formwork system for a reinforced concrete bridge deck and a construction method.
Background
Bridge decks are usually made by re-pouring concrete through building templates, and conventionally, a split type side template is adopted, so that the split type side template has the defects: 1. the template is divided into an upper layer and a lower layer, so that the manufacturing type is single, and the occupied area is large; 2. when the template is assembled, the upper layer and the lower layer are easy to misplace, so that the flatness of the side surface of the template is affected; 3. the upper layer and the lower layer are connected through bolts, so that the engineering quantity is large, and a horizontal seam is easy to form; 4. during installation, the lower template is installed firstly, after the steel reinforcement framework is put into the mould, the upper template is installed again, the upper template is removed firstly when the upper template is removed through drilling bolting of connecting plates on two sides, the lower template is difficult to remove because the lower template clings to the concrete surface of the bridge deck, the lower template can be removed only when the precast slabs are lifted by knocking the flange of the lower template, the traditional split type side steel mould is adopted, a set of lower steel mould is additionally arranged, the connecting plates of the upper template and the lower template are additionally arranged, the perpendicularity of the upper template and the lower template is adjusted, a plurality of manpower is also required, and the split type side steel mould is uneconomical. Therefore, if multiple types of bridge decks are to be manufactured simultaneously, the number and types of templates are very large, so that the traditional split type template is not applicable.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a template system for a reinforced concrete bridge deck, which is capable of avoiding dislocation of an upper layer and a lower layer and has high production efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme: a formwork system for a reinforced concrete deck, comprising:
the bottom template is used for bearing the reinforcement cage;
the side flank templates comprise a fixed plate connected with the bottom template and a plurality of baffles arranged on the fixed plate; the baffles are sequentially arranged at intervals along the length direction of the fixed plate;
the comb tooth templates comprise a top plate and a plurality of toothed plates vertically fixed on the lower surface of the top plate, wherein the toothed plates are used for being vertically inserted on the reinforcement cage, located on the inner side of the baffle and propped against the baffle, and the toothed plates are sequentially arranged at intervals along the length direction of the top plate.
Further, the template system further comprises a plurality of outer templates, each outer template comprises a connecting plate, a reinforcing plate and first rib plates, two ends of each first rib plate are respectively connected with the end faces of the connecting plate and the reinforcing plate, and the end faces, away from the reinforcing plates, of the connecting plates are connected to one side, away from the toothed plates, of the lower surface of the top plate through second rib plates.
Further, the first rib plates are arranged at intervals along the length direction of the top plate.
Further, a plurality of second rib plates are arranged at intervals along the length direction of the top plate.
Further, the thickness of the second rib plates is 10mm, and the distance between two adjacent second rib plates is 400mm.
Further, two third rib plates are vertically fixed on the lower surface of the top plate, the two third rib plates are located on two sides of the top plate, and each toothed plate is located between the two third rib plates.
Further, a connecting hole for connecting two adjacent comb tooth templates is formed in the third rib plate.
Further, a hoisting hole is formed in the top plate.
Further, the fixing plate is fixed with the bottom template through bolts.
The invention also provides a construction method of the template system for the reinforced concrete bridge deck, which comprises the following steps:
installing the flank template around the bottom template along the edge of the bottom template;
hoisting the steel reinforcement framework to the bottom template, so that the baffle is inserted between the steel reinforcements of the steel reinforcement framework;
inserting the comb tooth templates around the steel reinforcement framework along the edge of the steel reinforcement framework, enabling the tooth plates to be positioned on the inner side of the baffle and propped against the baffle, and connecting and fixing two adjacent comb tooth templates through bolts and screws;
and pouring concrete to form the bridge deck.
Compared with the prior art, the invention has the advantages that:
(1) According to the template system provided by the invention, the bottom template, the flank template and the comb template are standard blocks, the template and the toothed plate are integrally assembled and used, the baffle plate and the toothed plate are inserted between the steel bars of the steel bar framework during installation, the toothed plate is positioned at the inner side of the baffle plate and is propped against the baffle plate, the baffle plate forms extrusion on the comb template during concrete pouring, the comb template is prevented from outwards displacing, dislocation between the flank template and the comb template is avoided, and the perpendicularity of the comb template is ensured.
(2) The flank template and the comb tooth template are realized through the functions of the toothed plate and the baffle, namely, the toothed plate is positioned at the inner side of the baffle and is propped against the baffle, and the stress between the toothed plate and the baffle is not needed to be fixedly connected through bolts, so that the engineering quantity of bolting is greatly reduced, the production efficiency is improved, and the occurrence of horizontal seams caused by a traditional split type mode is avoided.
Drawings
FIG. 1 is a schematic diagram of a bottom mold structure according to an embodiment of the present invention;
FIG. 2 is a front view of a flank template provided in an embodiment of the invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a front view of a comb template according to an embodiment of the present invention;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a left side view of FIG. 4;
fig. 7 is a schematic diagram of a bridge deck and a reinforcement cage according to an embodiment of the present invention.
In the figure: 1. a bottom template; 10. a first positioning hole; 2. a flank template; 20. a fixing plate; 200. a second positioning hole; 21. a baffle; 3. comb tooth templates; 30. a top plate; 300. a hoisting hole; 31. a toothed plate; 32. a third rib plate; 320. a connection hole; 4. an outer template; 40. a connecting plate; 41. a reinforcing plate; 42. a first rib plate; 43. a second rib plate; 5. a reinforcement cage; 6. a bridge deck; 60. the reinforcement bar is exposed.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 4, an embodiment of the present invention provides a formwork system for a reinforced concrete deck slab, which includes a base formwork 1 for carrying a reinforcement cage 5 (see fig. 7), a plurality of flank formworks 2, and a plurality of comb tooth formworks 3; referring to fig. 2 and 3, the sideform 2 includes a fixing plate 20 connected to the bottom form 1 and a plurality of baffle plates 21 provided on the fixing plate 20; the baffle plates 21 are sequentially arranged at intervals along the length direction of the fixed plate 20; referring to fig. 4, the comb-teeth template 3 includes a top plate 30 and a plurality of toothed plates 31 vertically fixed on the lower surface of the top plate 30, when in use, the toothed plates 31 are vertically inserted into the reinforcement cage 5, and the toothed plates 31 are located inside the baffle 21 and are abutted against the baffle 21, and each toothed plate 31 is sequentially arranged at intervals along the length direction of the top plate 30.
According to the template system provided by the invention, the bottom template 1, the flank template 2 and the comb tooth template 3 are standard blocks, and are integrally assembled and used, when the template system is installed, the baffle plate 21 and the tooth plate 31 are inserted between the steel bars of the steel bar framework 5, the tooth plate 31 is positioned at the inner side of the baffle plate 21 and is propped against the baffle plate 21, the baffle plate 21 forms extrusion on the comb tooth template 3 when concrete is poured, the comb tooth template 3 is prevented from being displaced outwards, dislocation between the flank template 2 and the comb tooth template 3 is avoided, and the perpendicularity of the comb tooth template 3 is ensured.
The flank template 2 and the comb tooth template 3 are realized through the functions of the toothed plate 31 and the baffle plate 21, namely, the toothed plate 31 is positioned on the inner side of the baffle plate 21 and is propped against the baffle plate 21, and the stress between the toothed plate 31 and the baffle plate does not need to be fixedly connected through bolts, so that the engineering quantity of the connection through the bolts is greatly reduced, the production efficiency is improved, and the horizontal seam caused by the traditional split type mode is avoided.
According to the invention, the comb tooth templates 3 are adopted, and workers only need to tightly lean against the toothed plates 31 of the comb tooth templates 3 on the baffle plate 21 during installation, so that the whole installation and the removal can be realized, and the working efficiency is greatly improved.
In this embodiment, in order to prevent the comb-tooth templates 3 from being deformed during the removal and lifting, the top plate 30 is made of a 20mm thick steel plate; the baffle 21 in this embodiment is a 10mm thick steel plate.
Referring to fig. 5 and 6, in order to increase the turnover number of the comb-tooth template 3 and prevent deformation due to impact and beating during use, the template system further comprises a plurality of outer templates 4, wherein the outer templates 4 comprise a connecting plate 40, a reinforcing plate 41 and a first rib plate 42 with two ends respectively connected with the end surfaces of the connecting plate 40 and the reinforcing plate 41, and the end surface of the connecting plate 40 away from the reinforcing plate 41 is connected to one side of the lower surface of the top plate 30 away from the toothed plate 31 through a second rib plate 43. In this embodiment, the connection plate 40, the reinforcing plate 41 and the first rib plate 42 are welded to form a box structure, and then welded to the comb tooth template 3 to form a box structure.
In this embodiment, the surfaces of the base template 1, the flank template 2, the comb-teeth template 3 and the outer template 4 are all coated with a corrosion-resistant material, such as paint.
Referring to fig. 5, a plurality of first rib plates 42 are arranged at intervals along the length direction of the top plate, in this embodiment, the thickness of each first rib plate 42 is 6mm, and the distance between two adjacent first rib plates 42 is 100mm.
The second rib plates 43 are arranged at intervals along the length direction of the top plate, the thickness of each second rib plate 43 is 10mm, the distance between every two adjacent second rib plates 43 is 400mm, and the width of each second rib plate 43 is larger than the thickness of the corresponding baffle plate 21, so that the baffle plate 21 can be inserted between the toothed plate 31 and the connecting plate 40.
Referring to fig. 5, two third rib plates 32 are further vertically fixed to the lower surface of the top plate 30, the two third rib plates 32 are located at both sides of the top plate 30, and each tooth plate 31 is located between the two third rib plates 32. The second rib plate 43 and the third rib plate 32 are the same, and the distance between the second rib plate 43 close to the third rib plate 32 and the third rib plate 32 is 400mm.
Referring to fig. 6, the third rib plate 32 is provided with a connecting hole 320 for connecting two adjacent comb tooth templates 3, and the two adjacent comb tooth templates 3 are connected by bolts penetrating through the connecting hole 320, so that the assembly and the disassembly are convenient.
Referring to fig. 5, the top plate 30 is provided with a lifting hole 300, and the lifting holes 300 are respectively formed on two sides of the top plate 30, so that the lifting operation of the comb tooth templates 3 is facilitated, the portal crane is utilized for transportation, and the labor intensity of workers is greatly reduced.
Referring to fig. 1 and 3, a first positioning hole 10 is formed in a bottom template 1, a second positioning hole 200 matched with the first positioning hole 10 is formed in a fixing plate 20, and the fixing plate 20 and the bottom template 1 are fixed by bolts penetrating through the first positioning hole 10 and the second positioning hole 200.
Referring to fig. 7, the invention also provides a construction method of the formwork system for the reinforced concrete bridge deck, which comprises the following steps:
s1: aligning the second positioning holes 200 on the fixing plate 20 of the flank template 2 with the first positioning holes 10 on the bottom template 1, fixing the first positioning holes with bolts, and installing the flank template 2 around the bottom template 1 along the edge of the bottom template 1;
s2: hoisting the steel reinforcement framework 5 onto the bottom template 1, and enabling the baffle 21 to be inserted between the steel bars of the steel reinforcement framework 5;
s3: inserting comb tooth templates 3 around the steel reinforcement framework 5 along the edge of the steel reinforcement framework 5, enabling tooth plates 31 to be located on the inner side of the baffle 21 and propped against the baffle 21, reserving a section of exposed steel bars 60 on the steel reinforcement framework 5 when inserting the comb tooth templates 3, enabling two adjacent comb tooth templates 3 to be close to each other, penetrating through connecting holes 320 of the two adjacent comb tooth templates 3 through bolts, and connecting and fixing the comb tooth templates with screws;
s4: pouring concrete to form a bridge deck 6;
s5: and removing the comb template 3 and removing the flank template 2.
The invention is not limited to the embodiments described above, but a number of modifications and adaptations can be made by a person skilled in the art without departing from the principle of the invention, which modifications and adaptations are also considered to be within the scope of the invention. What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (8)
1. A formwork system for a reinforced concrete deck, comprising:
a bottom template (1) for carrying a reinforcement cage (5);
a plurality of flank templates (2), wherein the flank templates (2) comprise a fixed plate (20) connected with the bottom template (1) and a plurality of baffle plates (21) arranged on the fixed plate (20); the baffles (21) are sequentially arranged at intervals along the length direction of the fixed plate (20);
the comb tooth templates (3) comprise a top plate (30) and a plurality of tooth plates (31) vertically fixed on the lower surface of the top plate (30), the tooth plates (31) are vertically inserted into the steel reinforcement framework (5) and positioned on the inner side of the baffle plate (21) and propped against the baffle plate (21), and the tooth plates (31) are sequentially arranged at intervals along the length direction of the top plate (30);
the template system further comprises a plurality of outer templates (4), wherein the outer templates (4) comprise connecting plates (40), reinforcing plates (41) and first rib plates (42) with two ends respectively connected with the end faces of the connecting plates (40) and the reinforcing plates (41), and the end faces of the connecting plates (40) far away from the reinforcing plates (41) are connected to one side, far away from the toothed plates (31), of the lower surface of the top plate (30) through second rib plates (43);
two third rib plates (32) are further vertically fixed on the lower surface of the top plate (30), the two third rib plates (32) are located on two sides of the top plate (30), and each toothed plate (31) is located between the two third rib plates (32).
2. The formwork system for a reinforced concrete deck slab as recited in claim 1, wherein: the first rib plates (42) are arranged at intervals along the length direction of the top plate.
3. The formwork system for a reinforced concrete deck slab as recited in claim 1, wherein: the second rib plates (43) are arranged at intervals along the length direction of the top plate.
4. A formwork system for a reinforced concrete deck as recited in claim 3, wherein: the thickness of the second rib plates (43) is 10mm, and the distance between every two adjacent second rib plates (43) is 400mm.
5. The formwork system for a reinforced concrete deck slab as recited in claim 1, wherein: and the third rib plate (32) is provided with a connecting hole (320) for connecting two adjacent comb tooth templates (3).
6. The formwork system for a reinforced concrete deck slab as recited in claim 1, wherein: and the top plate (30) is provided with a lifting hole (300).
7. The formwork system for a reinforced concrete deck slab as recited in claim 1, wherein: the fixing plate (20) is fixed with the bottom template (1) through bolts.
8. A method of constructing a formwork system for a reinforced concrete deck as claimed in any one of claims 1 to 7, comprising the steps of:
mounting the sideform (2) around the bottom form (1) along the edge of the bottom form (1);
hoisting the steel reinforcement framework (5) to the bottom template (1) to enable the baffle (21) to be inserted between steel bars of the steel reinforcement framework (5);
inserting the comb tooth templates (3) around the steel reinforcement framework (5) along the edge of the steel reinforcement framework (5), and enabling the tooth plates (31) to be positioned on the inner side of the baffle (21) and propped against the baffle (21), wherein two adjacent comb tooth templates (3) are fixedly connected through bolts and screws;
and pouring concrete to form the bridge deck (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864074.8A CN108867373B (en) | 2018-08-01 | 2018-08-01 | Template system for reinforced concrete bridge deck and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864074.8A CN108867373B (en) | 2018-08-01 | 2018-08-01 | Template system for reinforced concrete bridge deck and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108867373A CN108867373A (en) | 2018-11-23 |
| CN108867373B true CN108867373B (en) | 2024-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810864074.8A Active CN108867373B (en) | 2018-08-01 | 2018-08-01 | Template system for reinforced concrete bridge deck and construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108867373B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158473A (en) * | 2019-05-07 | 2019-08-23 | 中交一公局桥隧工程有限公司 | Processing unit (plant) and processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913405A (en) * | 1995-06-30 | 1997-01-14 | Koken Sangyo Kk | Retaining wall construction method and formwork for executing the method |
| CN103711083A (en) * | 2014-01-03 | 2014-04-09 | 中铁大桥局集团第四工程有限公司 | Double-layer comb-shaped pattern plate system and installation method thereof |
| CN104153296A (en) * | 2014-07-29 | 2014-11-19 | 中建四局第五建筑工程有限公司 | Method for increasing bridge deck pavement flatness and comb-shaped form board used by same |
| CN204826618U (en) * | 2015-07-06 | 2015-12-02 | 中国建筑第八工程局有限公司 | After water board template structure |
| CN205223857U (en) * | 2015-10-13 | 2016-05-11 | 中国十七冶集团有限公司 | Edge of a wing broach template of prefabricated T roof beam or case roof beam |
| CN208803372U (en) * | 2018-08-01 | 2019-04-30 | 中铁大桥局集团第六工程有限公司 | A kind of reinforced concrete bridge deck plate template system |
-
2018
- 2018-08-01 CN CN201810864074.8A patent/CN108867373B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913405A (en) * | 1995-06-30 | 1997-01-14 | Koken Sangyo Kk | Retaining wall construction method and formwork for executing the method |
| CN103711083A (en) * | 2014-01-03 | 2014-04-09 | 中铁大桥局集团第四工程有限公司 | Double-layer comb-shaped pattern plate system and installation method thereof |
| CN104153296A (en) * | 2014-07-29 | 2014-11-19 | 中建四局第五建筑工程有限公司 | Method for increasing bridge deck pavement flatness and comb-shaped form board used by same |
| CN204826618U (en) * | 2015-07-06 | 2015-12-02 | 中国建筑第八工程局有限公司 | After water board template structure |
| CN205223857U (en) * | 2015-10-13 | 2016-05-11 | 中国十七冶集团有限公司 | Edge of a wing broach template of prefabricated T roof beam or case roof beam |
| CN208803372U (en) * | 2018-08-01 | 2019-04-30 | 中铁大桥局集团第六工程有限公司 | A kind of reinforced concrete bridge deck plate template system |
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| Publication number | Publication date |
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| CN108867373A (en) | 2018-11-23 |
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