CN205223871U - Suspension bridge bridge tower overarm brace pre -compaction device - Google Patents
Suspension bridge bridge tower overarm brace pre -compaction device Download PDFInfo
- Publication number
- CN205223871U CN205223871U CN201521107875.8U CN201521107875U CN205223871U CN 205223871 U CN205223871 U CN 205223871U CN 201521107875 U CN201521107875 U CN 201521107875U CN 205223871 U CN205223871 U CN 205223871U
- Authority
- CN
- China
- Prior art keywords
- stretch
- draw
- overarm brace
- shaped steel
- suspension bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 14
- 238000005056 compaction Methods 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 238000010276 construction Methods 0.000 claims description 15
- 238000004873 anchoring Methods 0.000 claims description 12
- 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 abstract 4
- 238000003466 welding Methods 0.000 abstract 1
- 230000005489 elastic deformation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a suspension bridge bridge tower overarm brace pre -compaction device, suspension bridge bridge tower include the pier shaft, and the pier shaft below is the cushion cap, is equipped with the overarm brace system on the pier shaft, including anchor platform, stretch -draw distribution roof beam, stretch -draw pedestal and stretch -draw steel strand wires, the anchor platform is fixed to be set up on the cushion cap, the setting of stretch -draw distribution roof beam is in in the overarm brace system, the welding of stretch -draw pedestal is in on the stretch -draw distribution roof beam, stretch -draw pedestal top is equipped with the jack, the lower extreme of stretch -draw steel strand wires and anchor platform fixed connection, upper end pass stretch -draw distribution roof beam with the stretch -draw pedestal is connected.
Description
Technical field
The utility model belongs to technical field of bridge construction, is specifically related to a kind of Construction of Pylon of Long Span Suspension Bridge overarm brace prepressing device.
Background technology
In bridge construction, compared with the Cast-in-situ Beam of large span or the concrete construction of semi girder, supporting structure sedimentation may be produced in concreting process, physical dimension and the outward appearance of works can be affected like this, in order to avoid the appearance of casting process medium-height trestle differential settlement phenomenon, accurately learn the non-resilient and elastic deformation of support under load action, the intensity of checking bracket, rigidity and stability, need to carry out precompressed test to Cast-in-situ Beam or cantilever beam support structure.
The precompressed of existing supporting structure mode adopts piling prepressing usually, such as adopts sandbag, water tank etc. to be placed on support and carries out precompressed.Piling prepressing exists that materials'use amount is large, consumes time is long, manpower and device resource are equipped with the shortcomings such as many, cost is dropped into and significantly improves.
Summary of the invention
The purpose of this utility model is the deficiency existed for the construction method of current support piling prepressing, the device of a kind of Construction of Pylon of Long Span Suspension Bridge overarm brace precompressed is proposed, non-resilient and the elastic deformation of this device energy Measurement accuracy support under equivalent load effect, the intensity of checking bracket, rigidity and stability, and operating process is simple, consumes time shortens, and cost is reduced greatly.
For achieving the above object, the utility model takes following technical scheme:
A kind of Construction of Pylon of Long Span Suspension Bridge overarm brace prepressing device, Construction of Pylon of Long Span Suspension Bridge comprises pier shaft, it is cushion cap below pier shaft, pier shaft is provided with overarm brace system, it is characterized in that: comprise anchored platform, stretch-draw distribution beam, stretching bed seat and tension steel strand, described anchored platform is fixedly installed on described cushion cap, described stretch-draw distribution beam is arranged in described overarm brace system, described stretching bed seat is welded in described stretch-draw distribution beam, stretching bed seat top is provided with jack, the lower end of described tension steel strand is fixedly connected with anchored platform, upper end is connected with described stretching bed seat through stretch-draw distribution beam.
Described anchored platform comprises pre-buried dowel, junction steel plate and shaped steel anchoring beam, described pre-buried dowel is embedded in cushion cap, its upper end protrudes from cushion cap end face, and be welded to connect with described junction steel plate, described shaped steel anchoring beam is positioned at above junction steel plate, and shaped steel anchoring beam is fixedly connected with by being connected steel strand with between junction steel plate; The lower end of described tension steel strand is fixedly connected with described shaped steel anchoring beam.
Described stretch-draw distribution beam comprises two shaped steel arranged side by side, leaves gap in the middle of two shaped steel; Described tension steel strand upper end is passed by the gap in the middle of two shaped steel and is connected with stretching bed seat.
The utility model can effectively eliminate support nonelastic deformation, accurately draws the elastic deformation value of support, thus provides accurate parameter for the pre-arch value of model sheetinstallat; The utility model, compared with traditional piling prepressing, can reach same pre-compressed effect, and equipment needed thereby is simple, and easy to operate, cost reduces greatly.The utility model can be widely used in various full framing precompressed, bracket precompressed, Hanging Basket precompressed etc. and have good economic and social benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the elevation of anchored platform;
Fig. 3 is the lateral view of anchored platform;
Fig. 4 is the set-up mode elevation of stretching bed seat;
Fig. 5 is the set-up mode lateral view of stretching bed seat.
Detailed description of the invention
Be described in detail the utility model below in conjunction with accompanying drawing, shown in the drawings is only a kind of specific embodiment of the present utility model.
As shown in Figure 1, a kind of Construction of Pylon of Long Span Suspension Bridge overarm brace of the utility model prepressing device, Construction of Pylon of Long Span Suspension Bridge comprises pier shaft 1, and be cushion cap 2 below pier shaft 1, pier shaft is provided with overarm brace system 3, described overarm brace system 3 comprises bracket, sand cylinder, spandrel girder, Bailey beam, bracket welds with described pier shaft pre-embedded steel slab, and sand cylinder is arranged on bracket end face, and spandrel girder is arranged on sand cylinder top, described Bailey beam is arranged on spandrel girder, forms overarm brace system.
The utility model comprises anchored platform 4, stretch-draw distribution beam 5, stretching bed seat 6 and tension steel strand 7, described anchored platform 4 is fixedly installed on described cushion cap 2, described stretch-draw distribution beam 5 is arranged in described overarm brace system 3, described stretching bed seat 6 is welded in described stretch-draw distribution beam 5, stretching bed seat 6 top is provided with jack 8, the lower end of described tension steel strand 7 is fixedly connected with anchored platform 4, and upper end is connected with described stretching bed seat through stretch-draw distribution beam 5.
As shown in Figure 2 and Figure 3, described anchored platform comprises pre-buried dowel 41, junction steel plate 42 and shaped steel anchoring beam 43, described pre-buried dowel 41 is embedded in cushion cap 2, its upper end protrudes from cushion cap end face, and be welded to connect with described junction steel plate 42, described shaped steel anchoring beam 43 is positioned at above junction steel plate 42, and shaped steel anchoring beam 43 is fixedly connected with by being connected steel strand 44 with between junction steel plate 42; The lower end of described tension steel strand 7 is fixedly connected with described shaped steel anchoring beam 43.
As shown in Figure 4, Figure 5, described stretch-draw distribution beam 5 comprises two shaped steel arranged side by side, leaves gap in the middle of two shaped steel; Described tension steel strand 7 upper end is passed by the gap in the middle of two shaped steel and is connected with stretching bed seat 6.
The utility model is in concrete use procedure, utilize jack 8 pairs of tension steel strand Shi Hanzhang on stretching bed seat 6 top, multistage loadings is carried out according to precompressed code, observe for every grade, and carry out observational record, every grade reach squeeze time and settling amount unchanged after, carry out next stage loading, until reach final prefabricating load, thus obtain the nonelastic deformation value of support under every one-level load and elastic deformation value; Unload and again carried out observing and then determine final nonelastic deformation value and elastic deformation value, instructed follow-up work.
Claims (3)
1. a Construction of Pylon of Long Span Suspension Bridge overarm brace prepressing device, Construction of Pylon of Long Span Suspension Bridge comprises pier shaft, it is cushion cap below pier shaft, pier shaft is provided with overarm brace system, it is characterized in that: comprise anchored platform, stretch-draw distribution beam, stretching bed seat and tension steel strand, described anchored platform is fixedly installed on described cushion cap, described stretch-draw distribution beam is arranged in described overarm brace system, described stretching bed seat is welded in described stretch-draw distribution beam, stretching bed seat top is provided with jack, the lower end of described tension steel strand is fixedly connected with anchored platform, upper end is connected with described stretching bed seat through stretch-draw distribution beam.
2. Construction of Pylon of Long Span Suspension Bridge overarm brace prepressing device according to claim 1, it is characterized in that: described anchored platform comprises pre-buried dowel, junction steel plate and shaped steel anchoring beam, described pre-buried dowel is embedded in cushion cap, its upper end protrudes from cushion cap end face, and be welded to connect with described junction steel plate, described shaped steel anchoring beam is positioned at above junction steel plate, and shaped steel anchoring beam is fixedly connected with by being connected steel strand with between junction steel plate; The lower end of described tension steel strand is fixedly connected with described shaped steel anchoring beam.
3. Construction of Pylon of Long Span Suspension Bridge overarm brace prepressing device according to claim 1, is characterized in that: described stretch-draw distribution beam comprises two shaped steel arranged side by side, leaves gap in the middle of two shaped steel; Described tension steel strand upper end is passed by the gap in the middle of two shaped steel and is connected with stretching bed seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107875.8U CN205223871U (en) | 2015-12-25 | 2015-12-25 | Suspension bridge bridge tower overarm brace pre -compaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107875.8U CN205223871U (en) | 2015-12-25 | 2015-12-25 | Suspension bridge bridge tower overarm brace pre -compaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205223871U true CN205223871U (en) | 2016-05-11 |
Family
ID=55898946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521107875.8U Expired - Fee Related CN205223871U (en) | 2015-12-25 | 2015-12-25 | Suspension bridge bridge tower overarm brace pre -compaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205223871U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108193605A (en) * | 2018-02-24 | 2018-06-22 | 中交路桥建设有限公司 | No. 0 block bracket prepressing structure of continuous beam bridge pier in water |
| WO2019062271A1 (en) * | 2017-09-28 | 2019-04-04 | 苏交科集团股份有限公司 | Pre-loading device and construction method for concrete crack control at pier top of steel-concrete composite bridge |
| CN110344331A (en) * | 2019-07-05 | 2019-10-18 | 中交二公局第五工程有限公司 | A kind of king-post upper beam pre-pressing bracket device and preloading method |
| CN113756209A (en) * | 2021-10-18 | 2021-12-07 | 湖南省通盛工程有限公司 | Diagonal pulling and pushing construction method for large-span steel beam |
| CN114622494A (en) * | 2022-04-20 | 2022-06-14 | 西双版纳澜沧江黎明大桥建设指挥部 | Multi-point synchronous tensioning and prepressing method for cast-in-situ support of main arch of swallow section |
-
2015
- 2015-12-25 CN CN201521107875.8U patent/CN205223871U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019062271A1 (en) * | 2017-09-28 | 2019-04-04 | 苏交科集团股份有限公司 | Pre-loading device and construction method for concrete crack control at pier top of steel-concrete composite bridge |
| CN108193605A (en) * | 2018-02-24 | 2018-06-22 | 中交路桥建设有限公司 | No. 0 block bracket prepressing structure of continuous beam bridge pier in water |
| CN110344331A (en) * | 2019-07-05 | 2019-10-18 | 中交二公局第五工程有限公司 | A kind of king-post upper beam pre-pressing bracket device and preloading method |
| CN113756209A (en) * | 2021-10-18 | 2021-12-07 | 湖南省通盛工程有限公司 | Diagonal pulling and pushing construction method for large-span steel beam |
| CN114622494A (en) * | 2022-04-20 | 2022-06-14 | 西双版纳澜沧江黎明大桥建设指挥部 | Multi-point synchronous tensioning and prepressing method for cast-in-situ support of main arch of swallow section |
| CN114622494B (en) * | 2022-04-20 | 2024-01-23 | 西双版纳澜沧江黎明大桥建设指挥部 | Multi-point synchronous tensioning and prepressing method for main arch cast-in-situ bracket of delphinium section |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205223871U (en) | Suspension bridge bridge tower overarm brace pre -compaction device | |
| CN202881856U (en) | Concrete pouring support prepressing device | |
| CN103437291B (en) | Monolithic water tank precompressed construction technology | |
| CN205443958U (en) | Composite truss support of big cantilever bent cap | |
| CN204849607U (en) | A continuous beam string basket pre -compaction device for bridge construction | |
| CN102051858A (en) | Jack loading triangular truss hanging basket and load test construction method thereof | |
| CN103174097A (en) | Supporting pre-stress back tension loading and pre-pressing method for upper steel structure of large-span bridge | |
| CN101824801B (en) | Non-in-situ prepressing method of self-anchored type support frame and self-anchored type support frame thereof | |
| CN104831639B (en) | A kind of ultra-wide nonprismatic continuous beam 0# block consolidation and releasing construction method | |
| CN101949778B (en) | Cradle static loading test method | |
| CN204112240U (en) | The overall prepressing device of Hanging Basket | |
| CN209816669U (en) | Automatic pre-compaction system of support | |
| CN203188130U (en) | Prestress counter-tension pre-pressing bracket type scaffold supporting device | |
| CN205676784U (en) | Bracket reverse drawing loads prepressing device | |
| CN102877657B (en) | Large-span H-shaped plane composite structure beam string upper-air cable replacement construction method | |
| CN102635070B (en) | Mutual-pulling type vertical turning construction method for steel towers of cable-stayed bridge | |
| CN204325931U (en) | Bridge High-pier platform top end holder hierarchical loading device | |
| CN103147402A (en) | Support device for constructing continuous box girder bridge and elevation adjusting method | |
| CN217378605U (en) | Suspension casting variable cross-section continuous beam zero block bracket pre-pressing device | |
| CN214328534U (en) | 0# block bracket pre-pressing device of continuous rigid frame bridge | |
| CN203755173U (en) | Formwork device used for hydraulic climbing of bridge high pier | |
| CN103132461B (en) | For the flexible carrier device of steel truss beam bridge cantilever construction | |
| CN201901847U (en) | Jack loading triangular truss hanging basket | |
| CN101586329B (en) | Anchor ear angle-table bracket for large-span prestressed concrete bridge cantilever pouring construction | |
| CN206219990U (en) | A kind of pier support assembled prepressing device high |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160511 |