CN203755092U - Track foundation of PHC pile girder elevator - Google Patents
Track foundation of PHC pile girder elevator Download PDFInfo
- Publication number
- CN203755092U CN203755092U CN201420111615.7U CN201420111615U CN203755092U CN 203755092 U CN203755092 U CN 203755092U CN 201420111615 U CN201420111615 U CN 201420111615U CN 203755092 U CN203755092 U CN 203755092U
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- Prior art keywords
- phc
- phc stake
- track
- track foundation
- binder
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- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 7
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 7
- 239000004571 lime Substances 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000004567 concrete Substances 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 239000002689 soil Substances 0.000 abstract 2
- 230000002787 reinforcement Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Foundations (AREA)
Abstract
The utility model discloses a track foundation of a PHC pile girder elevator. The track foundation comprises a track beam, a middle section PHC pile, straining beams, end PHC piles, a lime soil cushion layer, two through steel rails and an expansion joint, wherein the middle section PHC pile is arranged on the lower portion of the track beam, the straining beams are arranged on the lower portions of the two ends of the track beam, the end PHC piles are arranged at the lower ends of the straining beams, the lime soil cushion layer is arranged under the track beam and the straining beams, the two through steel rails are arranged on the top face of the track beam, and the expansion joint is arranged between longitudinal adjacent track beams. High bearing capacity of the PHC piles can be completely performed, use amount of steel rib concrete of the track beam is directly reduced, and it is guaranteed that engineering is safe, the structure is simple and reasonable, the use amount of the steel rib concrete is little, construction is easy to achieve and the construction cycle is short.
Description
Technical field
The utility model relates to a kind of bridge production facility, relates in particular to a kind of PHC stake lifting beam machine track foundation.
Background technology
High-speed railway simple supported box beam volume is large, and from great, quality requirement is high, and construction difficulty is large, must adopt the on-the-spot manufacture that beam making field prefabricated construction is set, so high speed railway construction scene is provided with a large amount of box beam prefabricated factories.Along with the development parameter of railway construction and becoming better and approaching perfection day by day of relevant policies rules, complete precasting yard standardization, standardize, become more meticulous and plan and design, further improve land utilization ratio and reduce construction investment, the standardization that realizes precasting yard is built and batch production, mechanization, informationization, specialized production, is the problem of the common concern of construction, design and unit in charge of construction.At case beam, go out on field type, the mode that has Beam transportation vehicle fortune beam to appear on the scene, many employings are removed beam machine (wheel-track type or rubber-tyred) and are directly removed the mode that beam is got on the bus; Have the mode that adopts bridge on lifting beam machine bale handle, adopt wheel-track type girder gantry crane by case beam carry to bridge location set a roof beam in place or bridge on the mode that transports of Beam transportation vehicle.On adopting wheel-track type girder gantry crane bale handle, during the mode of bridge, the design of lifting beam machine track foundation is one of core of box beam prefabricated factory civil Engineering Design.
Wheel-track type girder gantry crane axle great (70～80t) in box beam prefabricated factory, distance between axles are little, therefore lifting beam machine requires very high to basic supporting capacity, deformation requirements to basis and ground is also high, take certain model lifting beam machine is example, equipment requirement rail joint gap is less than 2mm, and lateral displacement or the difference of height of joint two tracks all must not be greater than 2mm.Therefore, traditional lifting beam machine track foundation in prior art, adopts large-section in-situ concrete pile basis more, guarantees bearing capacity and malformation; In the situation that geology is good, have the form that adopts raft slab foundation, but sedimentation is larger in recent years, and the difficult situation that safety problem even occurs of lifting beam machine operation that differential settlement has caused track irregularity to cause occurs.
In another one field, PHC pile tube is used for ground processing and load mostly is static load, PHC pile tube is not directly used to the design under the great traveling loads such as lifting beam machine.
Summary of the invention
The purpose of this utility model is to provide a kind ofly can guarantee engineering safety, simple and reasonable, steel concrete consumption is little, be easy to the PHC stake lifting beam machine track foundation of construction and short construction period.
The utility model is achieved through the following technical solutions:
PHC stake lifting beam machine track foundation of the present utility model, comprise rail beam, be placed in described rail beam bottom stage casing PHC stake, be placed in bottom, described rail beam two ends binder, be placed in end PHC stake under described binder, be placed in cushion lime under described rail beam and binder, be placed in the elongated rail of twice of described rail beam end face, longitudinally between adjacent rail beam, be provided with shrinkage joint.
The technical scheme being provided by above-mentioned the utility model can be found out, PHC stake lifting beam machine track foundation described in the utility model, owing to adopting PHC stake as basis, can be given full play to the high-bearing capacity of PHC pile tube and directly reduce rail beam steel concrete consumption; Owing to adopting, shrinkage joint is separated with other rail beams, the form of subsection setup rail beam, can significantly reduce rail beam internal force as calculated, reduces rail beam amount of reinforcement; Owing to adopting end binder, directly bear the vertical load of lifting beam machine wheel track to track road beam end, reduce Leading Edge Deformation, meet the high request of wheel-track type girder gantry crane to the distortion of lifting beam machine track foundation; Because PHC stake top is provided with local compression reinforcement, reduced stake top and concentrated large load for the load action effect of binder or rail beam; Owing to being provided with rail surface not higher than periphery road surface, do not affect periphery traffic circulation.The utility model is simple in structure, reasonable in design, safe and reliable, simple in structure, strong adaptability, with respect to adopting the lifting beam machine track foundation of large-diameter concrete castinplace pile significantly to reduce engineering quantity, with respect to the lifting beam machine track foundation that adopts raft plate, can effectively reduce differential settlement, control structure distortion, guarantee lifting beam machine security of operation.
Accompanying drawing explanation
The facade structures schematic diagram of the PHC stake lifting beam machine track foundation that Fig. 1 provides for the utility model embodiment.
The plane structure schematic diagram of the PHC stake lifting beam machine track foundation that Fig. 2 provides for the utility model embodiment;
Fig. 3 is level crossing schematic cross-sectional view in the utility model embodiment;
Fig. 4 is common schematic cross-sectional view in the utility model embodiment;
Fig. 5 is that in the utility model embodiment, local compression reinforcement net sheet layout schematic diagram is pushed up in PHC stake.
Description of reference numerals:
1-rail beam; The PHC stake of 2-stage casing; 3-binder; 4-end PHC stake; 5-cushion lime; 6-shrinkage joint; 7-rail; 8-reinforced mesh.
The specific embodiment
To be described in further detail the utility model embodiment below.
PHC stake lifting beam machine track foundation of the present utility model, its preferably the specific embodiment as shown in Fig. 1～Fig. 5:
Comprise rail beam, be placed in described rail beam bottom stage casing PHC stake, be placed in bottom, described rail beam two ends binder, be placed in end PHC stake under described binder, be placed in cushion lime under described rail beam and binder, be placed in the elongated rail of twice of described rail beam end face, longitudinally between adjacent rail beam, be provided with shrinkage joint.
Described rail beam is strip reinforced concrete structure, and described binder is strip reinforced concrete structure, and described rail beam and described binder are separate type.
Described rail beam and the overall structure of described stage casing PHC stake for being connected by concreting, described binder and the overall structure of described end PHC stake for being connected by concreting.
The top of the PHC stake of described stage casing and described end PHC stake all arranges reinforced mesh as local compression-resistant structure.
The end face of described rail is not higher than periphery road surface.
The principle of the utility model design is:
Formal in mass-type foundation, design adopts PHC stake as basis, can give full play to the high-bearing capacity of PHC pile tube and effectively reduce rail beam steel concrete consumption.In overall structure form, owing to adopting, shrinkage joint is separated with other rail beams, the form of subsection setup rail beam, rather than adopt whole lifting beam machine track foundation as an elongated form, and through comparing calculation, can significantly reduce rail beam internal force, reduce rail beam amount of reinforcement.Track foundation adopts end binder simultaneously, directly bears the vertical load of lifting beam machine wheel track to track road beam end, reduces Leading Edge Deformation, meets the high request of wheel-track type girder gantry crane to the distortion of lifting beam machine track foundation.On detail, PHC stake top is provided with local compression reinforcement, has reduced stake top and has concentrated large load for the load action effect of binder or rail beam; Be provided with rail surface not higher than periphery road surface, do not affect periphery traffic circulation.Generally speaking, reasonable in design, safe and reliable, simple in structure, the strong adaptability of a kind of PHC stake lifting beam machine track foundation.
In instantiation, lifting beam machine rail bearer foundation adopts the AB model PHC pile tube of remaining silent, stake footpath 400mm, and bearing capacity of single pile is not less than 1220KN, the long 18m that is not less than of stake, and stake end enters the degree of depth that can hold power ground and is not less than 3m.Footing beam 100mm is goed deep on stake top, and stake top arranges three layers of local compression reinforcement net sheet, and net sheet spacing is 110mm, and reinforced mesh adopts φ 10 reinforcing bars, and rebar spacing is 110mm.Lifting beam machine rail beam cross dimensions is 2.4m * 1.0m, should spread the thick 37 lime earth bed course of 30cm compacting under lifting beam machine track foundation, requires compactness to be not less than 95%.Rail beam is longitudinally pressed 16m segmentation, reserves 4cm shrinkage joint width between every section.On rail beam, lay the elongated rail of twice, rail spacing is 1.2m.
The above; it is only the preferably specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (5)
1. a PHC stake lifting beam machine track foundation, it is characterized in that: comprise rail beam (1), be placed in described rail beam bottom stage casing PHC stake (2), be placed in bottom, described rail beam two ends binder (3), be placed in end PHC stake (4) under described binder, be placed in cushion lime (5) under described rail beam and binder, be placed in the elongated rail of twice (7) of described rail beam end face, longitudinally between adjacent rail beam, be provided with shrinkage joint (6).
2. PHC stake lifting beam machine track foundation according to claim 1, it is characterized in that: described rail beam (1) is strip reinforced concrete structure, described binder (3) is strip reinforced concrete structure, and described rail beam (1) and described binder (3) are separate type.
3. PHC stake lifting beam machine track foundation according to claim 2, it is characterized in that: described rail beam (1) and the overall structure of described stage casing PHC stake (2) for being connected by concreting, described binder (3) and the overall structure of described end PHC stake (4) for being connected by concreting.
4. according to PHC stake lifting beam machine track foundation claimed in claim 3, it is characterized in that: the top of described stage casing PHC stake (2) and described end PHC stake (4) all arranges reinforced mesh (8) as local compression-resistant structure.
5. according to the PHC stake lifting beam machine track foundation described in claim 1 to 4 any one, it is characterized in that: the end face of described rail (7) is not higher than periphery road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111615.7U CN203755092U (en) | 2014-03-12 | 2014-03-12 | Track foundation of PHC pile girder elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111615.7U CN203755092U (en) | 2014-03-12 | 2014-03-12 | Track foundation of PHC pile girder elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203755092U true CN203755092U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420111615.7U Expired - Lifetime CN203755092U (en) | 2014-03-12 | 2014-03-12 | Track foundation of PHC pile girder elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203755092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720985A (en) * | 2019-01-28 | 2019-05-07 | 上海隧道工程有限公司 | Track bearing system and construction method for gantry crane operation |
| CN111118965A (en) * | 2019-11-03 | 2020-05-08 | 中铁二院工程集团有限责任公司 | Box-type road base end structure and stress concentration adjusting method |
-
2014
- 2014-03-12 CN CN201420111615.7U patent/CN203755092U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720985A (en) * | 2019-01-28 | 2019-05-07 | 上海隧道工程有限公司 | Track bearing system and construction method for gantry crane operation |
| CN111118965A (en) * | 2019-11-03 | 2020-05-08 | 中铁二院工程集团有限责任公司 | Box-type road base end structure and stress concentration adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |