CN210482069U - Supporting structure for construction of steel-concrete combined beam bridge deck - Google Patents
Supporting structure for construction of steel-concrete combined beam bridge deck Download PDFInfo
- Publication number
- CN210482069U CN210482069U CN201921081223.XU CN201921081223U CN210482069U CN 210482069 U CN210482069 U CN 210482069U CN 201921081223 U CN201921081223 U CN 201921081223U CN 210482069 U CN210482069 U CN 210482069U
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- Prior art keywords
- box girder
- steel box
- steel
- bridge deck
- construction
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- Expired - Fee Related
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000004567 concrete Substances 0.000 title claims abstract description 18
- 230000008093 supporting effect Effects 0.000 title claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 3
- 239000011150 reinforced concrete Substances 0.000 description 5
- 238000009415 formwork Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Abstract
The utility model discloses a bearing structure is used in steel-concrete composite beam decking construction, including the steel box girder, steel box girder one side is provided with outer outrigger along decking width direction, it articulates at the steel box girder to choose roof beam one end outward, be provided with length adjustable diagonal brace between outer outrigger and the steel box girder, diagonal brace one end articulates on outer outrigger, and the other end articulates at the steel box girder, can realize the auxiliary stay of limit portion through setting up at the outer outrigger of steel box girder limit portion and diagonal brace, ensures that follow-up decking's cast-in-place shaping is stable goes on, and to decking edge bottom inclination in different occasions simultaneously, can realize the regulation of support angle through overturning outer outrigger and regulation diagonal brace length to can be applicable to the requirement of various different occasions, have the advantage that the suitability is good.
Description
Technical Field
The utility model relates to a reinforced concrete combination beam decking construction field, more specifically say, it relates to a bearing structure is used in construction of reinforced concrete combination beam decking.
Background
The reinforced concrete combined beam is a novel structure developed on the basis of a steel structure and a concrete structure, and has the advantages of reducing the self weight of the structure, reducing the earthquake action, reducing the section size and the like compared with a reinforced concrete beam; in the construction process, the steel box girder is firstly installed, welded and fixed by means of temporary support on the ground, and then cast-in-situ molding of a bridge deck is carried out, wherein the bridge deck is of a reinforced concrete structure; the width of steel construction is less than the width of decking usually, and then need carry out the stable stay to the pouring template before the decking shaping, adopt the tripod of fixed auxiliary stay to come to support the pouring template of decking limit portion on the lateral wall of steel construction usually among the prior art, the structure of supporting compares directly subaerial and sets up bearing structure and have the advantage that reduces the bearing structure material like this, but because there is the difference to meeting bridge deck slab edge bottom inclination on the different projects, lead to the condition that the tripod is difficult to be suitable for to appear easily, there is the poor problem of suitability.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a bearing structure is used in steel-concrete composite beam decking construction has the advantage that the suitability is good.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a bearing structure is used in construction of steel-concrete composite beam decking, includes the steel box girder, steel box girder one side is provided with outer outrigger along decking width direction, outer outrigger one end articulates at the steel box girder, be provided with length-adjustable diagonal brace between outer outrigger and the steel box girder, diagonal brace one end articulates on outer outrigger, and the other end articulates at the steel box girder.
The auxiliary support of limit portion can be realized through setting up cantilever beam and the diagonal brace outside steel box girder limit portion, ensures that follow-up decking's cast-in-place shaping is stable goes on, and is different to decking marginal bottom inclination in different occasions moreover, can realize the regulation of support angle through upset cantilever beam and regulation diagonal brace length outside to can be applicable to the requirement of various different occasions, have the advantage that the suitability is good.
The utility model discloses further set up: the inclined supporting rod comprises a rod body at two ends and a screw rod in the middle, and a mounting hole for the screw rod to be in threaded connection is formed in the end portion of the rod body.
The adjusting device has the advantages that the total length of the inclined strut is adjusted through the threaded connection of the screw rod on the rod body, the adjusting can be realized only by rotating the screw rod during adjusting, and the adjusting device is simple in structure and convenient to operate.
The utility model discloses further set up: and a handheld rod in sliding connection with the screw rod is arranged in the middle of the screw rod in a penetrating manner.
With the help of the setting of handheld pole, be convenient for more rotate the operation of lead screw, handheld pole can provide the impetus for the operation is light laborsaving more.
The utility model discloses further set up: and a protective railing is arranged at the top of one end of the outer outrigger, which is far away from the steel box girder.
Further can play the effect of sheltering from through the setting of preventing guardrail bar, improve the security of staff when cast-in-place decking, reach the purpose of good protection.
The utility model discloses further set up: the steel box girders are arranged at intervals along the width of the bridge deck slab, and a first cross beam for connecting the steel box girders and the bridge deck slab is arranged between the adjacent steel box girders.
Connect through first crossbeam between the adjacent steel box girder, can link into a whole with each steel box girder like this, overall structure fastness is better, and follow-up pouring template can support with the help of first crossbeam simultaneously, also can effectively reduce the quantity of steel box girder like this.
The utility model discloses further set up: the steel box girder is hollow and provided with a second cross beam, and two ends of the second cross beam are connected to the inner wall of the steel box girder respectively.
The overall structure intensity of steel box girder can be effectively increased through the setting of second crossbeam, and the pouring template of follow-up pouring usefulness simultaneously can be well supported by the second crossbeam, improves the support effect to the pouring template.
The utility model discloses further set up: supporting blocks are arranged on the outer cantilever beam, the first cross beam and the second cross beam, and a pouring template is fixed on the supporting blocks.
The pouring template is arranged for the pouring molding of the subsequent bridge deck, and the supporting effect of the combination mode of the cantilever beam, the first cross beam and the second cross beam on the pouring template is stable and comprehensive.
The utility model discloses further set up: the outer outriggers and the diagonal braces are detachably connected with the steel box girder.
Like this can dismantle after outer outrigger and diagonal brace use up and recycle, reduce the extravagant condition to effective reduce cost.
To sum up, the utility model discloses following beneficial effect has:
1. the auxiliary supporting of the pouring formwork at the edge of the bridge deck is realized by means of the structures of the outer outriggers and the inclined stay bars, the angles of the outer outriggers and the lengths of the inclined stay bars can be adjusted according to actual conditions, the auxiliary supporting device can be suitable for the requirements of various different occasions, and the applicability is better;
2. the length of the diagonal brace is adjusted in a mode that the screw rod is in threaded connection with the rod body, and the diagonal brace is simple in structure and convenient to operate;
3. the outer outriggers and the diagonal braces can be disassembled after being used up, so that the aim of recycling is fulfilled, the turnover efficiency is high, and the turnover cost is low;
4. the supporting structure integrally uses less steel materials, so that the cost can be effectively reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is an enlarged view at B in fig. 1.
Reference numerals: 1. a steel box girder; 2. a bridge deck; 3. pouring a template; 4. an outer cantilever beam; 5. a diagonal brace; 51. a rod body; 52. a screw rod; 6. an ear plate; 7. an ear hole; 8. a bolt; 9. a first cross member; 10. a second cross member; 11. a support block; 12. a guard rail; 13. reinforcing ribs; 14. the rod is held in the hand.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A supporting structure for the construction of a steel-concrete combined beam bridge deck, as shown in figures 1 and 2, comprises two steel box girders 1 which are arranged at intervals along the width direction of a bridge deck 2, wherein the two steel box girders 1 are positioned below the bridge deck 2, the bridge deck 2 is obtained by arranging a pouring template 3 on the steel box girders 1 and then pouring concrete for molding; an outer cantilever beam 4 is arranged on one side, close to the edge of the bridge deck 2, of the two steel box girders 1, the outer cantilever beam 4 is arranged in an inclined direction, an inclined strut 5 is arranged between the outer cantilever beam 4 and the steel box girders 1, the length of the inclined strut 5 is adjustable and is used for supporting the outer cantilever beam 4, one end of the outer cantilever beam 4 is hinged to the steel box girders 1, one end of the inclined strut 5 is hinged to the bottom of the outer cantilever beam 4, the other end of the inclined strut 5 is hinged to the bottom of the side wall of the steel box girders 1, an ear plate 6 for hinging is fixed on the steel box girders 1, an ear hole 7 is formed in the ear plate 6, hinging of the steel box girders 1, the inclined strut 5 and the end of the outer cantilever beam 4 is realized through a connection mode of a bolt 8 and a nut, wherein the bolt 8 penetrates through the ear hole 7 and penetrates through the end of the outer cantilever beam 4 and the end of the inclined strut 5; like this can play good stable support to the pouring template 3 of decking 2 limit portion with the help of outer outrigger 4, and the angle of outer outrigger 4 can be adjusted according to actual need, adjusts the length of diagonal brace 5 when 4 upset angle modulation angles of outer outrigger for diagonal brace 5 can be stabilized and good firm support is carried out to outer outrigger 4, can realize dismantling of diagonal brace 5 and outer outrigger 4 like this moreover, follow-up can reasonable recycle.
The inclined strut 5 comprises rod bodies 51 at two ends and a screw rod 52 in the middle, mounting holes 53 matched with the screw rod 52 are formed in the end parts of the inclined strut 5, and the two ends of the screw rod 52 are respectively in threaded connection with the mounting holes 53, so that the total length of the inclined strut 5 can be adjusted by rotating the screw rod 52, and fine adjustment on the length can still be realized after the inclined strut 5 is mounted; and wear to be equipped with rather than sliding connection's handheld pole 14 on lead screw 52, this handheld pole 14 is along radially setting up, and handheld pole 14 can provide the impetus, and the personnel of being convenient for are handheld to carry out the rotation operation to lead screw 52 for the rotation operation is light laborsaving more.
A first cross beam 9 for connecting the two adjacent steel box girders 1 is arranged between the two adjacent steel box girders 1, two ends of the first cross beam 9 are also respectively hinged on the side walls of the two steel box girders 1, and the first cross beam 9 is horizontally arranged; the steel box girder 1 is hollow and is provided with a second horizontal beam 10, and two ends of the second horizontal beam 10 are hinged on the inner wall of the steel box girder 1; the structural strength and the support comprehensiveness of the steel box girder 1 can be improved as a whole by the arrangement of the first cross member 9 and the second cross member 10.
In addition, supporting blocks 11 are arranged on the outer cantilever beam 4, the first cross beam 9 and the second cross beam 10 at intervals, pouring formworks 3 are arranged on the supporting blocks 11, and the pouring formworks 3 form pouring cavities for pouring concrete, so that the subsequent bridge deck 2 is convenient to form; the reinforcing ribs 13 are vertically arranged on the top wall of the steel box girder 1 at intervals in a protruding mode, and the strength and firmness of the connecting structure of the bridge deck 2 and the steel box girder 1 can be improved after the reinforcing ribs 13 are formed by concrete; and the one end top of keeping away from steel box girder 1 at outrigger 4 is vertical to be fixed with and prevents guardrail bar 12, can play good guard action with the help of preventing guardrail bar 12's setting for possess better security when follow-up staff pours decking 2.
The embodiment of this specific implementation is the preferred embodiment of the present invention, not so limiting the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a bearing structure is used in construction of steel-concrete composite beam decking, includes steel box girder (1), characterized by: the steel box girder comprises a steel box girder (1), and is characterized in that an outer cantilever beam (4) is arranged on one side of the steel box girder (1) along the width direction of a bridge deck (2), one end of the outer cantilever beam (4) is hinged to the steel box girder (1), a length-adjustable diagonal brace (5) is arranged between the outer cantilever beam (4) and the steel box girder (1), one end of the diagonal brace (5) is hinged to the outer cantilever beam (4), and the other end of the diagonal brace is hinged to the steel box girder (1).
2. The supporting structure for construction of a bridge deck of a steel-concrete composite beam as claimed in claim 1, wherein: the inclined strut (5) comprises rod bodies (51) at two ends and a screw rod (52) in the middle, and mounting holes (53) for the screw rod (52) to be in threaded connection are formed in the end portions of the rod bodies (51).
3. The supporting structure for construction of a bridge deck of a steel-concrete composite beam as claimed in claim 2, wherein: and a handheld rod (14) in sliding connection with the screw rod (52) is arranged in the middle of the screw rod in a penetrating way.
4. The supporting structure for construction of a bridge deck of a steel-concrete composite beam as claimed in claim 1, wherein: and a protective railing (12) is arranged at the top of one end of the outer outrigger (4) far away from the steel box girder (1).
5. The supporting structure for construction of a bridge deck of a steel-concrete composite beam as claimed in claim 1, wherein: the steel box girder (1) is arranged along the width interval of the bridge deck (2), and a first cross beam (9) for connecting the steel box girder (1) and the bridge deck is arranged between the steel box girder (1).
6. The supporting structure for construction of a bridge deck of a steel-concrete composite beam as claimed in claim 5, wherein: the steel box girder is characterized in that the steel box girder (1) is hollow and is provided with a second cross beam (10), and two ends of the second cross beam (10) are respectively connected to the inner wall of the steel box girder (1).
7. The supporting structure for construction of a bridge deck of a steel-concrete composite beam as claimed in claim 6, wherein: supporting blocks (11) are arranged on the outer cantilever beam (4), the first cross beam (9) and the second cross beam (10), and a pouring template (3) is fixed on the supporting blocks (11).
8. The supporting structure for construction of a bridge deck of a steel-concrete composite beam as claimed in claim 1, wherein: the outer outrigger (4) and the diagonal brace (5) are detachably connected with the steel box girder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081223.XU CN210482069U (en) | 2019-07-10 | 2019-07-10 | Supporting structure for construction of steel-concrete combined beam bridge deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081223.XU CN210482069U (en) | 2019-07-10 | 2019-07-10 | Supporting structure for construction of steel-concrete combined beam bridge deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210482069U true CN210482069U (en) | 2020-05-08 |
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ID=70531024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921081223.XU Expired - Fee Related CN210482069U (en) | 2019-07-10 | 2019-07-10 | Supporting structure for construction of steel-concrete combined beam bridge deck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210482069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832137A (en) * | 2021-01-07 | 2021-05-25 | 安徽省公路桥梁工程有限公司 | Steel box-concrete combined beam bridge deck formwork system and construction method |
-
2019
- 2019-07-10 CN CN201921081223.XU patent/CN210482069U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832137A (en) * | 2021-01-07 | 2021-05-25 | 安徽省公路桥梁工程有限公司 | Steel box-concrete combined beam bridge deck formwork system and construction method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 |