CN108330745A - The implementation of soft clay area tramcar assembled sub-rail foundation - Google Patents
The implementation of soft clay area tramcar assembled sub-rail foundation Download PDFInfo
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- CN108330745A CN108330745A CN201810132450.4A CN201810132450A CN108330745A CN 108330745 A CN108330745 A CN 108330745A CN 201810132450 A CN201810132450 A CN 201810132450A CN 108330745 A CN108330745 A CN 108330745A
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- Prior art keywords
- prefabricated
- crossbeam
- reinforced concrete
- slab
- shear pin
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses the implementation of soft clay area tramcar assembled sub-rail foundation, prefabrication PHC pile foundations, prefabricated reinforced concrete crossbeam and precast rc slab structure three parts components；Prefabricated roadbed beam corresponds to pile foundation position reserved steel bar, wait under beam reinforcing bar and its tail portion steel plate be put into prefabricated pile it is hollow after, shear pin rim of the mouth is reserved on prefabricated reinforced concrete crossbeam, precast rc slab structure shear pin mother mouth is formed into common beam slab force transferring structure together with the socket joint of corresponding prefabricated reinforced concrete beam structure shear pin rim of the mouth when assembly；The different plates of precast rc slab overlap on crossbeam.Beneficial effects of the present invention：The present invention uses prefabricated components, it makes precision height and quality is guaranteed, simultaneously improve in-site installation efficiency and installation accuracy, can save field workforce, shorten construction period, improve road structure globality, can it is quick, safe and environment-friendly, efficiently complete tramcar sub-rail foundation structure.
Description
Technical field
The present invention relates under tramcar Construction Technology field more particularly to soft clay area tramcar assembled rail
The implementation on basis.
Background technology
The reinforced concrete structure of soft clay area tramcar sub-rail foundation generally use sheet pile form, according to construction party
Method can be divided into three kinds of cast-in-place structural, fabricated construction and assembled overall structure.Tramcar roadbed sheet-pile structure is most at present
The form of setting, prefabricated pile reserved joint bar, later stage roadbed contignation integration are combined with cast-in-place roadbed beam slab using prefabricated pile
Cast-in-place to be linked to be entirety with prefabricated pile, this construction method needs to set up template, binding steel at the scene due to the structure of cast-in-place part
Muscle and casting concrete, therefore field labor is big, long in time limit, structural mechanical property is influenced by site operation quality.And by
It is installed and is formed by connecting at the scene by prefabricated components in prefabricated construction, save field workforce, short construction period, be convenient for work
Industry and mechanization production, with the raising that tramcar civil engineering requires duration and construction quality, precast assembly one
Change sub-rail foundation and becomes the key technology constructed for tramcar.But the globality and rigidity due to fabricated construction are poor,
In rail electricity sub-rail foundation structure, in order to improve globality and antidetonation between prefabricated pile, roadbed beam slab, rail bed board three
Performance, at the same improve installation effectiveness and installation accuracy need a kind of prefabricated pile, roadbed beam slab and rail bed board connecting node and
Corresponding construction reaches simple, connects the requirements such as reliable, easy for construction.
The present situation of this field the relevant technologies：
Existing tramcar sub-rail foundation construction and defect：Tramcar sub-rail foundation structure mostly uses greatly at present
Prefabricated pile is combined the form of setting with cast-in-place roadbed beam slab, and prefabricated pile reserved joint bar, later stage roadbed contignation integration is cast-in-place
Be linked to be entirety with prefabricated pile, this construction method due to the structure of cast-in-place part need to set up at the scene template, assembling reinforcement and
Casting concrete, therefore field labor is big, long in time limit, structural mechanical property is influenced by site operation quality.
Those skilled in the art are dedicated to solving above-mentioned technological deficiency.
Invention content
In view of the drawbacks described above of the prior art, technical purpose of the invention is to improve prefabricated pile, roadbed beam slab, track
Globality between road bed board three and anti-seismic performance, while installation effectiveness and installation accuracy are improved, and providing soft clay area has
The implementation of rail electric car assembled sub-rail foundation
To realize the above-mentioned technical purpose, the present invention provides the embodiment party of soft clay area tramcar assembled sub-rail foundation
Method, including：
Step 1：Prefabrication PHC pile foundations, prefabricated reinforced concrete crossbeam and precast rc slab structure three parts
Component；
Step 2：Prefabricated roadbed beam corresponds to pile foundation position reserved steel bar, and reinforcing bar length is more than 1m；
Step 3：When on-site consolidation, steel plate is welded in reinforcing bar bottom under prefabricated roadbed beam, and steel plate welding position needs
The relative positioning deviation for measuring prefabricated prefabricated reinforced concrete crossbeam and prefabricated PHC pile foundations in advance adjusts steel according to specific positioning
Plate welding position, steel plate size and location are to be put into prefabricated tubular pile central hollow position to be advisable；
Step 4：Wait under beam reinforcing bar and its tail portion steel plate be put into prefabricated pile it is hollow after, the concrete reserved from beam pours
Hole is smash toward prefabricated pile and beam connecting node casting concrete, prefabricated roadbed beam is reliably connected with prefabricated pile, complete pile foundation with
Prefabricated reinforced concrete beam structure assembles；
Step 5：Shear pin rim of the mouth is reserved on prefabricated reinforced concrete crossbeam, in corresponding positions under precast rc slab
Shear pin mother's mouth that headroom in reserved is more than rim of the mouth 2mm is set, by precast rc slab structure shear pin mother's mouth when assembly
Together with the socket joint of corresponding prefabricated reinforced concrete beam structure shear pin rim of the mouth, common beam slab force transferring structure is formed；
Step 6：The different plates of precast rc slab overlap on crossbeam, and horizontal direction spigot-and-socket is used when assembly
Assembly method using wedge-shaped interface form, and is packed into hydro-expansive rubber elastic sealing gasket and carries out water-proofing treatment；
Step 7：Prefabricated PHC pile foundations, prefabricated reinforced concrete crossbeam, precast rc slab Standard are integral.
Preferably, wherein prefabricated reinforced concrete crossbeam is mounted on the upper end of prefabricated PHC pile foundations, precast rc slab
Mounted on the upper end of prefabricated reinforced concrete crossbeam.
Preferably, the upper end of wherein prefabricated reinforced concrete crossbeam is provided with several shear pin rims of the mouth, wherein pre-manufactured steel
The lower end of reinforced concrete plate is provided with several shear pin mother's mouths being connect with shear pin rim of the mouth corresponding matching, wherein shearing pin
Inserted with shear pin between mouth and shear pin mother's mouth.
Preferably, it is provided with bed course when the lower end construction of wherein prefabricated reinforced concrete crossbeam.
Preferably, position corresponding with prefabricated PHC pile foundations center is provided on beam wherein in prefabricated reinforced concrete crossbeam
Casting and compacting of concrete hole is reserved, the circumferential part that casting and compacting of concrete hole is reserved on beam is provided with reserved steel bar under beam.
Preferably, crossbeam main reinforcement, concrete slab distributing reinforcement, crossbeam waist muscle are provided in the prefabricated reinforced concrete crossbeam
With crossbeam lacing wire and stirrup, the top of reserved steel bar is connect with crossbeam main reinforcement under the beam.
Preferably, the lower part of reserved steel bar is provided with steel plate in prefabricated PHC pile foundations under the beam, the steel plate
Thickness is 20mm.
Preferably, the shape of the steel plate is circle.
Beneficial effects of the present invention：
The present invention uses prefabricated components, makes precision height and quality is guaranteed, while improving in-site installation efficiency and peace
Precision is filled, the globality that can be saved field workforce, shorten construction period, improve road structure can be quick, safe and environment-friendly, high
Complete tramcar sub-rail foundation structure in effect ground.
Description of the drawings
Fig. 1 is the roadbed plan view of the present invention；
Fig. 2 is the A-A drawings in side sectional elevation of the present invention；
Fig. 3 is the prefabricated pile foundation and roadbed beam connecting node reservation conditions figure of the present invention；
Fig. 4 is the prefabricated pile foundation of the present invention and roadbed beam connecting node figure；
Fig. 5 is the steel plate plane detail drawing of the present invention；
Fig. 6 is the steel plate sectional detail drawing of the present invention；
Fig. 7 is the roadbed beam of the present invention, plate arrangement of reinforcement；
Fig. 8 is the B-B section prefabricated reinforced concrete simply supported slabs lap-joint way detail drawing of the present invention.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
As shown in Figures 1 to 8, the implementation of soft clay area tramcar assembled sub-rail foundation, implementation are：
Step 1：Prefabrication PHC pile foundations, prefabricated reinforced concrete crossbeam and precast rc slab structure three parts
Component；
Step 2：Prefabricated roadbed beam corresponds to pile foundation position reserved steel bar, and reinforcing bar length is more than 1m；
Step 3：When on-site consolidation, steel plate is welded in reinforcing bar bottom under prefabricated roadbed beam, and steel plate welding position needs
The relative positioning deviation for measuring prefabricated reinforced concrete crossbeam and prefabricated PHC pile foundations in advance adjusts steel plate weldering according to specific positioning
Position is connect, steel plate size and location are to be put into prefabricated tubular pile central hollow position to be advisable；
Step 4：Wait under beam reinforcing bar and its tail portion steel plate be put into prefabricated pile it is hollow after, the concrete reserved from beam pours
Hole is smash toward prefabricated pile and beam connecting node casting concrete, prefabricated roadbed beam is reliably connected with prefabricated pile, complete pile foundation with
Prefabricated reinforced concrete beam structure assembles；
Step 5：Shear pin rim of the mouth is reserved on prefabricated reinforced concrete crossbeam, in corresponding positions under precast rc slab
Shear pin mother's mouth that headroom in reserved is more than rim of the mouth 2mm is set, by precast rc slab structure shear pin mother's mouth when assembly
Together with the socket joint of corresponding prefabricated reinforced concrete beam structure shear pin rim of the mouth, common beam slab force transferring structure is formed；
Step 6：The different plates of precast rc slab overlap on crossbeam, and horizontal direction spigot-and-socket is used when assembly
Assembly method using wedge-shaped interface form, and is packed into hydro-expansive rubber elastic sealing gasket and carries out water-proofing treatment；
Step 7：Prefabricated PHC pile foundations, prefabricated reinforced concrete crossbeam, precast rc slab Standard are integral.
Wherein prefabricated reinforced concrete crossbeam 2 is mounted on the upper end of prefabricated PHC pile foundations 1, and precast rc slab 3 is installed
In the upper end of prefabricated reinforced concrete crossbeam 2.
The upper end of wherein prefabricated reinforced concrete crossbeam 2 is provided with several shear pin rims of the mouth 4, wherein precast reinforced coagulation
The lower end of native plate 3 is provided with several shear pin mother mouths 5 being connect with 4 corresponding matching of shear pin rim of the mouth, wherein shear pin rim of the mouth 4
Inserted with shear pin 6 between shear pin mother mouth 5.
It is provided with bed course 7 when wherein the lower end of prefabricated reinforced concrete crossbeam 2 is constructed.
Position corresponding with prefabricated 1 center of PHC pile foundations is provided with to reserve on beam and mix wherein in prefabricated reinforced concrete crossbeam 2
Solidifying soil, which pours, smashes hole 8, and the circumferential part that casting and compacting of concrete hole 8 is reserved on beam is provided with reserved steel bar 9 under beam.
Further, be provided in the prefabricated reinforced concrete crossbeam 2 crossbeam main reinforcement 11, concrete slab distributing reinforcement 14,
Crossbeam waist muscle 13 and crossbeam lacing wire and stirrup 12, the top of reserved steel bar 9 is connect with crossbeam main reinforcement 11 under the beam, under the beam
The lower part of reserved steel bar 9 is provided with steel plate 10 in prefabricated PHC pile foundations 1, and the thickness of the steel plate 10 is 20mm, the thickness
The shape of steel plate 10 is circle.
The present invention uses prefabricated components, makes precision height and quality is guaranteed, while improving in-site installation efficiency and peace
Precision is filled, the globality that can be saved field workforce, shorten construction period, improve road structure can be quick, safe and environment-friendly, high
Complete tramcar sub-rail foundation structure in effect ground.
In the construction of tramcar sub-rail foundation, to save field workforce, shortening construction period, installation effectiveness and peace are improved
Precision is filled, while to improve the globality of road structure, adoptable practical and moderate structure type is as follows：Form base under rail
The three parts component of plinth structure includes prefabricated pile, roadbed beam, roadbed harden structure, is prefabrication reinforced concrete member,
In prefabricated roadbed beam correspond to pile foundation position reserved steel bar, component is pre- according to being put into after welding steel under live spacer bar when assembling
The hollow range of stake processed, reserving hole can be in pile crown position disturbing concrete on beam, and thus prefabricated pile, beam can be reliably connected, together
There are shear pins on Shi Luji beams, and reserving shear pin with base board lower surface forms spigot-and-socket mounting structure, and three parts component is adopted
It is assembled into tramcar sub-rail foundation overall structure to upper type, prefabricated pile, beam are single component, and prefabricated board can be according to scene
Situation is flexibly determined across number.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. the implementation of soft clay area tramcar assembled sub-rail foundation, including：
Step 1：Prefabrication PHC pile foundations, prefabricated reinforced concrete crossbeam and precast rc slab structure three parts structure
Part；
Step 2：Prefabricated roadbed beam corresponds to pile foundation position reserved steel bar, and reinforcing bar length is more than 1m；
Step 3：When on-site consolidation, steel plate is welded in reinforcing bar bottom under prefabricated roadbed beam, and steel plate welding position needs prior
The relative positioning deviation for measuring prefabricated prefabricated reinforced concrete crossbeam and prefabricated PHC pile foundations adjusts steel plate weldering according to specific positioning
Position is connect, steel plate size and location are to be put into prefabricated tubular pile central hollow position to be advisable；
Step 4：Wait under beam reinforcing bar and its tail portion steel plate be put into prefabricated pile it is hollow after, the casting and compacting of concrete hole reserved from beam
Toward prefabricated pile and beam connecting node casting concrete, prefabricated roadbed beam is reliably connected with prefabricated pile, completion pile foundation with it is prefabricated
Reinforced concrete beams Standard；
Step 5：Shear pin rim of the mouth is reserved on prefabricated reinforced concrete crossbeam, it is pre- in corresponding position under precast rc slab
Liu Neinei headroom is more than shear pin mother's mouth of rim of the mouth 2mm, by precast rc slab structure shear pin mother mouth and phase when assembly
It answers prefabricated reinforced concrete beam structure shear pin rim of the mouth socket joint together, forms common beam slab force transferring structure；
Step 6：The different plates of precast rc slab overlap on crossbeam, are assembled using horizontal direction spigot-and-socket when assembly
Mode using wedge-shaped interface form, and is packed into hydro-expansive rubber elastic sealing gasket and carries out water-proofing treatment；
Step 7：Prefabricated PHC pile foundations, prefabricated reinforced concrete crossbeam, precast rc slab Standard are integral.
2. the implementation of tramcar assembled sub-rail foundation in soft clay area as described in claim 1, it is characterised in that：Its
Middle prefabricated reinforced concrete crossbeam is mounted on the upper end of prefabricated PHC pile foundations, and precast rc slab is mounted on precast reinforced mixed
The upper end of solidifying soil crossbeam.
3. the implementation of tramcar assembled sub-rail foundation in soft clay area as described in claim 1, it is characterised in that：Its
The upper end of middle prefabricated reinforced concrete crossbeam is provided with several shear pin rims of the mouth, and the lower end of wherein precast rc slab is set
Several shear pin mother's mouths being connect with shear pin rim of the mouth corresponding matching are equipped with, wherein between shear pin rim of the mouth and shear pin mother's mouth
Inserted with shear pin.
4. the implementation of tramcar assembled sub-rail foundation in soft clay area as described in claim 1, it is characterised in that：Its
It is provided with bed course when the lower end construction of middle prefabricated reinforced concrete crossbeam.
5. the implementation of tramcar assembled sub-rail foundation in soft clay area as described in claim 1, it is characterised in that：Its
Position corresponding with prefabricated PHC pile foundations center, which is provided on beam, in middle prefabricated reinforced concrete crossbeam reserves casting and compacting of concrete hole,
The circumferential part that casting and compacting of concrete hole is reserved on beam is provided with reserved steel bar under beam.
6. the implementation of tramcar assembled sub-rail foundation in soft clay area as described in claim 1, it is characterised in that：Institute
It states and is provided with crossbeam main reinforcement, concrete slab distributing reinforcement, crossbeam waist muscle and crossbeam lacing wire and stirrup in prefabricated reinforced concrete crossbeam,
The top of reserved steel bar is connect with crossbeam main reinforcement under the beam.
7. the implementation of tramcar assembled sub-rail foundation in soft clay area as described in claim 1, it is characterised in that：Institute
The lower part for stating reserved steel bar under beam is provided with steel plate in prefabricated PHC pile foundations, and the thickness of the steel plate is 20mm.
8. the implementation of tramcar assembled sub-rail foundation in soft clay area as described in claim 1, it is characterised in that：Institute
The shape for stating steel plate is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132450.4A CN108330745B (en) | 2018-02-09 | 2018-02-09 | Implementation method of tramcar assembled under-rail foundation in soft soil area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132450.4A CN108330745B (en) | 2018-02-09 | 2018-02-09 | Implementation method of tramcar assembled under-rail foundation in soft soil area |
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| Publication Number | Publication Date |
|---|---|
| CN108330745A true CN108330745A (en) | 2018-07-27 |
| CN108330745B CN108330745B (en) | 2020-06-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395059A (en) * | 2020-03-23 | 2020-07-10 | 中铁二院工程集团有限责任公司 | Light roadbed structure crossing karez, design and construction method |
| CN112095370A (en) * | 2020-09-10 | 2020-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated tramcar roadbed and track integrated structure and construction method |
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| CN202787247U (en) * | 2012-09-18 | 2013-03-13 | 天津港建设公司 | PHC (prestressed high-strength concrete) pile and steel pipe pile composited pile for long piled wharfs |
| CN204455724U (en) * | 2015-01-04 | 2015-07-08 | 上海市城市建设设计研究总院 | For the integral structure of Deep Thick Soft Ground Area roadbed track |
| CN205063961U (en) * | 2015-10-20 | 2016-03-02 | 上海市城市建设设计研究总院 | Push pipe tube coupling structure |
| CN105586967A (en) * | 2016-02-25 | 2016-05-18 | 福建省建筑设计研究院 | Prefabricated pile cap for composite foundation |
| CN106677073A (en) * | 2017-02-14 | 2017-05-17 | 上海市城市建设设计研究总院（集团）有限公司 | Construction method for semi-integral jointless bridge structure adaptive to soft soil foundation |
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2018
- 2018-02-09 CN CN201810132450.4A patent/CN108330745B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002047649A (en) * | 2000-08-04 | 2002-02-15 | Geotop Corp | Pile head treating method in preboring construction method |
| CN202787247U (en) * | 2012-09-18 | 2013-03-13 | 天津港建设公司 | PHC (prestressed high-strength concrete) pile and steel pipe pile composited pile for long piled wharfs |
| CN204455724U (en) * | 2015-01-04 | 2015-07-08 | 上海市城市建设设计研究总院 | For the integral structure of Deep Thick Soft Ground Area roadbed track |
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| CN106677073A (en) * | 2017-02-14 | 2017-05-17 | 上海市城市建设设计研究总院（集团）有限公司 | Construction method for semi-integral jointless bridge structure adaptive to soft soil foundation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395059A (en) * | 2020-03-23 | 2020-07-10 | 中铁二院工程集团有限责任公司 | Light roadbed structure crossing karez, design and construction method |
| CN112095370A (en) * | 2020-09-10 | 2020-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated tramcar roadbed and track integrated structure and construction method |
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|---|---|
| CN108330745B (en) | 2020-06-09 |
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