CN108118565A - Railway bed karez location pin-connected panel foundation stabilization construction and construction method - Google Patents
Railway bed karez location pin-connected panel foundation stabilization construction and construction method Download PDFInfo
- Publication number
- CN108118565A CN108118565A CN201711321477.XA CN201711321477A CN108118565A CN 108118565 A CN108118565 A CN 108118565A CN 201711321477 A CN201711321477 A CN 201711321477A CN 108118565 A CN108118565 A CN 108118565A
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- Prior art keywords
- karez
- underpass
- construction
- precast slab
- bed
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- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 46
- 230000006641 stabilisation Effects 0.000 title claims abstract description 19
- 238000011105 stabilization Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 102000002322 Egg Proteins Human genes 0.000 claims description 4
- 108010000912 Egg Proteins Proteins 0.000 claims description 4
- 210000004681 ovum Anatomy 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 239000003349 gelling agent Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000035699 permeability Effects 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 5
- 239000004567 concrete Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
Railway bed karez location pin-connected panel foundation stabilization construction and construction method, to solve that the construction investment that traditional karez location railway engineering measure faced is high, angle too small can not cross over, karez discharge capacity weakens and the technical barriers such as constructional difficulties, meet karez location railway subgrade works and build needs.Reinforcing construction includes：Underpass reinforcing body, rail system are arranged at the top and bottom of karez underpass, and pipe culvert prefabricated subsection is assembled in karez underpass to form pipeline, and gap filling body is filled in the gap between pipeline and karez underpass；Vertical shaft reinforcing body, upper boulder bed, lower boulder bed are respectively arranged at the top and bottom of karez vertical shaft, precast slab with holes is arranged above lower boulder bed, precast slab is arranged at below boulder bed, and lightweight seepy material filling body is arranged between precast slab and precast slab with holes.
Description
Technical field
The present invention relates to fields such as railway engineering, highway engineerings, especially suitable for karez location railway subgrade works.
Technical background
Karez is to be commonly distributed in arid, a kind of irrigation system of semiarid zone, by vertical shaft, underpass, ground
The problems such as passage and flooded dam composition, railway construction and highway are unavoidably faced across karez on it.If merely with spanning
More, will face because raising line position, across angle too small due to using the construction investment increase greatly caused by the problems such as；If with roadbed stake
Harden structure is crossed over, and not only increases construction investment, while is collapsed there is also karez and to be caused plat-bottom escape, angle too small can not be across
More wait technical barriers；And with pure roadbed by the premise of karez original water-holding capacity is retained, then needing to add karez
Gu seepy material backfill can be used or anchor pole carries out hole wall the measure of reinforcing etc., but both reinforcing modes will face karez
The problems such as underpass discharge capacity decrease, the narrow anchor bolt construction difficulty of underpass.Therefore, there is an urgent need for propose that one kind is easy to construct
Novel reinforced mode solve above-mentioned problem, meet karez location railway subgrade works and build needs, and can with safety
Lean on, be easy for construction, investment reduction the features such as.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of railway bed karez location pin-connected panel foundation stabilization structure
It makes, with the construction investment that the traditional karez location railway engineering measure of solution is faced is high, angle too small can not cross over, karez
The technical barriers such as discharge capacity decrease and constructional difficulties, meet karez location railway subgrade works and build needs.
Technical solution is as follows used by the present invention solves above-mentioned technology：
The railway bed karez location pin-connected panel foundation stabilization construction of the present invention, including filling the road above karez
Base, it is characterized in that it is further included：Underpass reinforcing body, by pipe culvert prefabricated subsection, rail system and gap filling with pulley
Body is formed, and rail system is arranged at the top and bottom of karez underpass, and pipe culvert prefabricated subsection is in karez underpass
Interior assembled formation pipeline, gap filling body are filled in the gap between pipeline and karez underpass；Vertical shaft reinforcing body, by
Upper boulder bed, lower boulder bed, lightweight seepy material filling body, precast slab with holes and precast slab are formed, upper ovum
Rock layers, lower boulder bed are respectively arranged at the top and bottom of karez vertical shaft, and precast slab with holes is arranged at lower boulder bed
Top, precast slab are arranged at below boulder bed, and lightweight seepy material filling body is arranged on precast slab with holes
Between precast slab.
Another technical problem to be solved by this invention is with being to provide a kind of above-mentioned railway bed karez location pin-connected panel
The construction method of base reinforcing construction, this method comprise the following steps：
1. by track by karez shaft transport to the karez underpass position to be reinforced, in karez underground
Channel roof and bottom attachment rail system；
2. being lifted the pipe culvert prefabricated subsection with pulley to karez underpass by karez vertical shaft, pass through track
System is assembled to contain prefabricated subsection, and gap obturator of constructing；
After 3. underpass reinforces body construction, lower ovum is filled in karez vertical shaft and karez underpass junction
Rock layers, and slot grooving precast slab with holes, backfill lightweight seepy material filling body, slot grooving are pre- successively from lower to upper
Concrete slab processed and fill boulder bed；
After the completion of 4. karez vertical shaft is reinforced, construction subgrade.
The invention has the advantages that the pipe culvert prefabricated component segment using rail system and with pulley, is not reducing insinuating language
In the case of well underpass discharge capacity, while karez is strengthened, successfully solves karez strengthening construction difficulty
The problem of；Reduce karez vertical shaft backfilling material to karez using precast slab with holes and lightweight seepy material filling body
The overlying additional force of underpass reinforcing body, while also ensure that karez flood season level can rise to vertical shaft but not influence insinuating language
Roadbed safety above well；Efficiently solve construction investment height, the angle that traditional karez location railway engineering measure is faced
It is too small can not cross over, karez discharge capacity weakens and the technical barriers such as constructional difficulties, structure novel, securely and reliably, construction party
Just, investment reduction, application prospect are extensive.
Description of the drawings
This specification includes following four width attached drawing：
Fig. 1 is the cross-section diagram of pin-connected panel foundation stabilization construction in railway bed karez location of the present invention；
Fig. 2 is the section of underpass reinforcing body in pin-connected panel foundation stabilization construction in railway bed karez location of the present invention
Figure；
Fig. 3 is the vertical disconnected of pipe culvert prefabricated component segment in pin-connected panel foundation stabilization construction in railway bed karez location of the present invention
Face figure；
Fig. 4 is the vertical of precast slab with holes in pin-connected panel foundation stabilization construction in railway bed karez location of the present invention
Body schematic diagram.
The title of main member and corresponding mark are shown in figure：Pipe culvert prefabricated component segment 1, pulley 11, annular tenon
Section 12, annular tongue-and-groove section 13, rail system 2, gap filling body 3, upper boulder bed 41, lower boulder bed 42, precast concrete with holes
Plate 5, lightweight seepy material filling body 6, precast slab 7, roadbed 8.
Specific embodiment
It is further illustrated the present invention below by specific embodiment and with reference to attached drawing.
Referring to Figures 1 and 2, railway bed karez location pin-connected panel foundation stabilization construction of the invention, including fill in
Roadbed 8 above karez, further includes：Underpass reinforcing body, by the pipe culvert prefabricated subsection 1 with pulley, rail system 2 and seam
Gap obturator 3 is formed, and rail system 2 is arranged at the top and bottom of karez underpass, and pipe culvert prefabricated subsection 1 is in karez
Assembled in underpass to form pipeline, gap filling body 3 is filled in the gap between pipeline and karez underpass；Vertical shaft
Reinforcing body, by upper boulder bed 41, lower boulder bed 42, lightweight seepy material filling body 6, precast slab with holes 5 and prefabricated mixed
Concrete board 7 is formed, and upper boulder bed 41, lower boulder bed 42 are respectively arranged at the top and bottom of karez vertical shaft, with holes prefabricated mixed
Concrete board 5 is arranged at lower 42 top of boulder bed, and precast slab 7 is arranged at 41 lower section of boulder bed, and lightweight seepy material is filled out
Building body 6 is arranged between precast slab 5 and precast slab 7 with holes.The present invention is using rail system 2 and with pulley
Pipe culvert prefabricated component segment 1, in the case where not reducing karez underpass discharge capacity, strengthening the same of karez
When, successfully solve the problems, such as that karez strengthening construction is difficult.It is filled using precast slab 5 with holes and lightweight seepy material
Body 6 reduces overlying additional force of the karez vertical shaft backfilling material to karez underpass reinforcing body, while also ensures insinuating language
Well flood season level can rise to vertical shaft but not influence the safety of the roadbed above karez.
With reference to Fig. 3, the longitudinally spaced installation pulley 11 in top, lower part of the pipe culvert prefabricated subsection 1.Pipe culvert prefabricated subsection 1
Longitudinal both ends are respectively provided with annular tenon section 12, annular tongue-and-groove section 13, adjacent two pipe culverts prefabricated subsection 1 in karez underpass
Assembly is formed by the grafting of corresponding annular tenon section 12, annular tongue-and-groove section 13.It can be 0.5m that length is saved in pipe culvert prefabricated component segment 1,
Annular tenon section 12, the length of annular tongue-and-groove section 13 are generally 5~8cm.
With reference to Fig. 1, the upper boulder bed 41, lower boulder bed 42 are filled by cobble of the minimum grain size not less than 6cm, thickness one
As be 1.5m.The lightweight seepy material filling body 6 is mixed by coarse aggregate, jointing material, gelling agent and water, permeable system
Number is not less than 2.5mm/s.With reference to Fig. 4,5 opening diameter of precast slab with holes is 4cm, and pitch of holes is 20~40cm.
The construction method of pin-connected panel foundation stabilization construction in railway bed karez location of the present invention, comprises the following steps：
1. by track by karez shaft transport to the karez underpass position to be reinforced, in karez underground
Channel roof and bottom attachment rail system 2；
2. being lifted the pipe culvert prefabricated subsection 1 with pulley to karez underpass by karez vertical shaft, pass through rail
Road system 2 is assembled to contain prefabricated subsection 1, and gap obturator 3 of constructing；
After 3. underpass reinforces body construction, lower ovum is filled in karez vertical shaft and karez underpass junction
Rock layers 42, and slot grooving precast slab 5 with holes, backfill lightweight seepy material filling body 6, fluting are applied successively from lower to upper
Work precast slab 7 and fill boulder bed 41；
After the completion of 4. karez vertical shaft is reinforced, construction subgrade 8.
Present invention firstly provides railway bed karez location pin-connected panel foundation stabilization construction and construction methods, solve
Construction investment that traditional karez location railway engineering measure is faced is high, angle too small can not cross over, karez discharge capacity
The technical barriers such as decrease and constructional difficulties, subgrade structure and construction method have structure novel, safe and reliable, easy for construction, section
The features such as about investing, application prospect are extensive.
The above simply using illustrate railway bed karez location pin-connected panel foundation stabilization of the present invention construct and
Some principles of construction method are not intended to the present invention being confined in shown and described concrete structure and the scope of application, therefore
It is every it is possible that the corresponding modification being utilized and equivalent, belong to the apllied the scope of the claims of the present invention.
Claims (6)
1. the pin-connected panel foundation stabilization of railway bed karez location constructs, special including filling the roadbed (8) above karez
Sign is that it is further included：Underpass reinforcing body, by the pipe culvert prefabricated subsection (1) with pulley, rail system (2) and gap filling body
(3) form, rail system (2) is arranged at the top and bottom of karez underpass, and pipe culvert prefabricated subsection (1) is in karez
Assembled in lower channel to form pipeline, gap filling body (3) is filled in the gap between pipeline and karez underpass；Vertical shaft
Reinforcing body, by upper boulder bed (41), lower boulder bed (42), lightweight seepy material filling body (6), precast slab with holes (5)
It is formed with precast slab (7), upper boulder bed (41), lower boulder bed (42) are respectively arranged at the top and bottom of karez vertical shaft
Portion, precast slab (5) with holes are arranged above lower boulder bed (42), and precast slab (7) is arranged at boulder bed
(41) lower section, lightweight seepy material filling body (6) are arranged between precast slab with holes (5) and precast slab (7).
2. pin-connected panel foundation stabilization construction in railway bed karez location as described in claim 1, it is characterized in that：The upper ovum
Rock layers (41), lower boulder bed (42) are filled by cobble of the minimum grain size not less than 6cm, thickness 1.5m.
3. pin-connected panel foundation stabilization construction in railway bed karez location as described in claim 1, it is characterized in that：The lightweight
Seepy material filling body (6) is mixed by coarse aggregate, jointing material, gelling agent and water, and coefficient of permeability is not less than 2.5mm/
s。
4. pin-connected panel foundation stabilization construction in railway bed karez location as described in claim 1, it is characterised in that：The pipe
Contain the longitudinal both ends of prefabricated subsection (1) and be respectively provided with annular tenon section (12), annular tongue-and-groove section (13), phase in karez underpass
Adjacent two pipe culvert prefabricated subsections (1) form assembly by the grafting of corresponding annular tenon section (12), annular tongue-and-groove section (13).
5. pin-connected panel foundation stabilization construction in railway bed karez location as described in claim 1, it is characterized in that：It is described with holes
Precast slab (5) opening diameter is 4cm, and pitch of holes is 20~40cm.
6. the construction party that the railway bed karez location pin-connected panel foundation stabilization as described in claim 1-5 any one constructs
Method comprises the following steps：
1. by track by karez shaft transport to the karez underpass position to be reinforced, in karez underpass
Top and bottom attachment rail system (2)；
2. being lifted the pipe culvert prefabricated subsection (1) with pulley to karez underpass by karez vertical shaft, pass through track
System (2) is assembled to contain prefabricated subsection (1), and gap obturator (3) of constructing；
After 3. underpass reinforces body construction, lower boulder bed is filled in karez vertical shaft and karez underpass junction
(42), and from lower to upper slot grooving precast slab with holes (5), backfill lightweight seepy material filling body (6), fluting successively
Construction precast slab and fills boulder bed (41) at (7)；
After the completion of 4. karez vertical shaft is reinforced, construction subgrade (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321477.XA CN108118565A (en) | 2017-12-12 | 2017-12-12 | Railway bed karez location pin-connected panel foundation stabilization construction and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321477.XA CN108118565A (en) | 2017-12-12 | 2017-12-12 | Railway bed karez location pin-connected panel foundation stabilization construction and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108118565A true CN108118565A (en) | 2018-06-05 |
Family
ID=62229706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711321477.XA Pending CN108118565A (en) | 2017-12-12 | 2017-12-12 | Railway bed karez location pin-connected panel foundation stabilization construction and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108118565A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080043A (en) * | 2019-04-09 | 2019-08-02 | 中国铁路设计集团有限公司 | A kind of horizontal lattice precast assembly segment and its assembled high-speed rail roadbed |
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| CN106758561A (en) * | 2017-02-22 | 2017-05-31 | 中铁二院工程集团有限责任公司 | Across karez consolidation roadbed of high-speed structure |
| CN107268676A (en) * | 2017-06-30 | 2017-10-20 | 上海建工集团股份有限公司 | The movement assembling system and method for prefabricated assembled underpass upper segment |
| CN207672344U (en) * | 2017-12-12 | 2018-07-31 | 中铁二院工程集团有限责任公司 | Railway bed karez location pin-connected panel foundation stabilization construction |
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2017
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Patent Citations (13)
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| DE2543997A1 (en) * | 1975-10-02 | 1977-04-07 | Polensky & Zoellner | Press forwarding tubular structure into embankment - uses sliding tracks for support under shield protection |
| SU1281632A1 (en) * | 1985-06-24 | 1987-01-07 | Ленинградское отделение Всесоюзного проектно-изыскательского и научно-исследовательского института "Гидропроект" им.С.Я.Жука | Method of mounting the metal lining of water duct in tunnel |
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| RU2148716C1 (en) * | 1997-08-14 | 2000-05-10 | Репников Леонид Николаевич | Method for increasing longitudinal rigidity of underground structure made of prefabricated components |
| JP2001311109A (en) * | 2000-04-28 | 2001-11-09 | Tokyo Gas Co Ltd | Temporary back-filling method for excavated shaft |
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|---|---|---|---|---|
| CN110080043A (en) * | 2019-04-09 | 2019-08-02 | 中国铁路设计集团有限公司 | A kind of horizontal lattice precast assembly segment and its assembled high-speed rail roadbed |
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Application publication date: 20180605 |