CN109989407A - Railway increases two wires platform way of escape foundation pile pipe curtain supporting construction newly - Google Patents
Railway increases two wires platform way of escape foundation pile pipe curtain supporting construction newly Download PDFInfo
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- CN109989407A CN109989407A CN201910350846.0A CN201910350846A CN109989407A CN 109989407 A CN109989407 A CN 109989407A CN 201910350846 A CN201910350846 A CN 201910350846A CN 109989407 A CN109989407 A CN 109989407A
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 238000007569 slipcasting Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 210000000481 breast Anatomy 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009954 braiding Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 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
- E01B2/006—Deep foundation of tracks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a kind of railways to increase two wires platform way of escape foundation pile pipe curtain supporting construction newly, it is one kind to increase support pile newly as supporting point at newly-increased support pile and existing railway roadbed slope foot at road shoulder behind existing abutment behind or Abutment Back, then the vertical cut support system formed by horizontal steel tube curtain and breast boards.It is made of existing abutment, support pile, horizontal steel tube curtain and breast boards etc..This structure safe ready, supporting are not easy unstability and collapsing, do not influence both wired operations, it is ensured that the normal operation and safety of existing railway.In addition, foundation pit supporting construction of the invention is novel, materials are less on the basis of guaranteeing safety, save cost, mechanized construction is more efficient, can reduce line spacing to greatest extent.
Description
Technical field
The present invention relates to roadbed supporting technical field of construction, particularly relate to a kind of newly-increased two wires platform way of escape foundation pile pipe curtain of railway
Curtain supporting construction.
Background technique
With the in-depth of reform and opening-up and the adjustment of Economic-industrial Structure, traffic transportation trade shines unprecedented out
Vigor, various forms of transport development are swift and violent.Main artery of the railway as national economy, and most popular communications and transportation work
Tool, have the characteristics that capacity is high, haul distance is remote, at low cost, land occupation less, the round-the-clock, energy save, pollute small and advantage, in national warp
Occupy very important position in Ji.
As railway transports being continuously increased for car loading, when the capacity of existing railway has been saturated or will be saturated, need
Existing railway nearby increases two wires newly.When existing railway increases two wires newly, in order to reduce two wires occupied area, reduce and fill out (digging) side
It measures, reduce investment outlay, newly-increased two wires is with both wired spacing general controls within the scope of 5~12m.Because line spacing is relatively close, increases and builds two wires
It constructs within the scope of existing railway roadbed, existing abutment cone and platform behind roadbed will be destroyed when two wires Foundation Pit of Abutment is excavated, it is right
Both Wired Security impacted.For the normal operation and safety for ensuring existing railway, it is necessary to existing railway route and roadbed side
Slope carries out effectively protection and reinforces.
Currently, there is the protectiving scheme of routine when newly-increased two wires Foundation Pit of Abutment is excavated: existing railway route is adopted in boundary of works area
It is protected with " set up 3-5-3 and detain hanger rail beam ", two wires abutment is by existing abutment and roadbed side excavation slope using " more diggings
Hole stake plus cast in situ ferroconcrete wall (referred to as " peg board diaphragm wall ") are protected.Gap between stake and stake uses cast in place reinforced bar
Concrete walls (thickness 20cm) carry out secondary protection, and are protected using braiding sack cofferdam slope foot.
The shortcomings that conventional safety scheme:
(1) before setting up 3-5-3 button hanger rail beam on existing railway, existing railway rail track carries out gapless track cutting, stress is put
Processing is dissipated, restores gapless track after hanger rail beam to be removed.And a wide range of gapless track cuts and (connects) operation and damages to both wired,
And it can not restore as former state.
(2) when setting up 3-5-3 button hanger rail beam on existing railway, rail track needs speed limit to go slowly, so that existing railway is transported
Can be more nervous, do not have the secondary speed limit execution conditions of long-time, multifrequency generally.
(3) peg board diaphragm wall is by more cast in place reinforced bar coagulations between artificial digging pile and caisson laying around foundation pit
Cob wall is composed.Artificial digging pile position used is located substantially near existing railway road shoulder, and quantity is more, embedding relatively deep (frequent
Encounter underground water), guard wall pours secondary protection when excavating difficulty of construction is big between caisson, and entire work progress leans on substantially
Manpower is completed, and construction efficiency is low, and safety is poor, high investment.During practice, it can not absolutely ensure existing railway
Normal operation and safety, construction risk are very big.
(4) both wired peg board diaphragm wall that is arranged between newly-increased two wires will increase its line spacing, and two wires occupied area is filled out
(digging) just amount, investment etc. are also increase accordingly.
Summary of the invention
The object of the present invention is to provide a kind of railways to increase two wires platform way of escape foundation pile pipe curtain supporting construction, the structural support newly
It is not easy unstability and collapsing, does not influence both wired operations, it is ensured that the normal operation and safety of existing railway, foundation pit supporting construction are new
Grain husk, materials are less on the basis of guaranteeing safety, save cost, mechanized construction is more efficient, can reduce line to greatest extent
Spacing.
In order to achieve the above objectives, the object of the present invention is achieved like this: a kind of newly-increased two wires platform way of escape foundation pile pipe of railway
Curtain supporting construction, is constructed according to the following steps:
(1) two wires abutment side is increased newly in existing railway correspond to setting support pile, stake at existing abutment tail position close to slope foot
Body is constituted using artificial digging pile, drilled pile or assembled retaining structure；
(2) it is horizontally disposed with guiding steel pipe and leading truck in its length direction along the center of support pile cross section, is oriented to steel pipe
Diameter is slightly larger than the outer diameter of steel pipes of steel pipe curtain, and leading truck is made of 2 Pin i-beam frames, and leading truck is fixed in pairs respectively
The two sides of steel pipe front and rear part are oriented to, leading truck and guiding steel pipe are perpendicular, and guiding steel pipe is horizontal along the short transverse of support pile
Uniform intervals arrangement；
(3) after installation is oriented to steel pipe and leading truck in support pile, using C15 concreting pile body；
(4) it is arranged from top to bottom in the existing railway roadbed of existing abutment behind using horizontal drill pipe-following drilling construction technology
Set steel pipe curtain hole, steel pipe curtain hole in support pile guiding steel pipe quantity and position it is corresponding, in steel pipe curtain hole
It is inserted with several curtain steel pipes respectively, the hole of several φ 10mm, pitch of holes 500mm, cross pair are drilled on the tube body of curtain steel pipe
Shape arrangement is beaten, steel reinforcement cage or fashioned iron are set in curtain steel pipe, and the other end of curtain steel pipe is respectively from the guiding in support pile
It is passed through in steel pipe and constitutes pile pipe curtain supporting construction；
(5) the mud jacking slip casting in curtain steel pipe, slip casting wet end furnish use 1:1:1 cement mortar, grouting amount control 1.5~
2.0 times of theoretical open-hole volume, grouting pressure control stop slip casting in 0.2~0.4Mpa and after stablizing, and should add in work progress
Strong monitoring, forbids roadbed or surface uplift within the scope of slip casting area, adjusts injection speed and grouting amount according to monitoring result；
(6) after the completion of the pile pipe curtain supporting construction of above-mentioned steps, existing bridge is removed in the cone of newly-increased two wires abutment position, is hung down
The straight existing railway roadbed that excavates is to design of foundation pit elevation.
The principle of the present invention and advantage are: (1) during pile pipe curtain support construction, not to existing railway route, road
The positions such as base, abutment cone impact.(2) on existing railway line without set up 3-5-3 button hanger rail beam, gapless track without
Cutover, destressing processing.(3) either stake or steel pipe curtain work progress substantially can do mechanization operation, the high-efficient, duration
Short, highly-safe, construction risk bottom.(4) existing abutment can be used as the relay supporting point of steel pipe curtain, can economization retaining structure,
And materials needed for pile pipe curtain supporting construction are few, investment relatively saves.(5) operation is carried out within the scope of existing Roadbed Soil, substantially not
It will receive the influence of the unfavorable factors such as unfavorable geology, underground water.(6) because both it is wired no setting is required between newly-increased two wires protection knot
Structure, can reduce its line spacing to greatest extent, and two wires occupied area fills out (digging) just also corresponding reduction such as amount, investment.(7) in reality
During border uses, it can be ensured that the normal operation and safety of existing railway.
Detailed description of the invention
Below in conjunction with attached drawing, the present invention is described in further detail.
Fig. 1 is the conventional safety structure top view that background of invention provides；
Fig. 2 is the conventional safety structural side view that background of invention provides；
Fig. 3 is supporting construction explanatory diagram of the invention；
Fig. 4 is that steel pipe curtain construction of the invention illustrates main view；
Fig. 5 is that steel pipe curtain construction of the invention illustrates top view；
Fig. 6 is steel pipe curtain elevation of the invention；
Fig. 7 is curtain curtain steel pipe structural map of the invention；
Fig. 8 is the sectional view of Fig. 7.
Specific embodiment:
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, to this hair
It is bright to be further elaborated.
Currently, there is the protectiving scheme of routine when newly-increased two wires Foundation Pit of Abutment is excavated: existing railway route is adopted in boundary of works area
It is protected with " set up 3-5-3 and detain hanger rail beam ", two wires abutment 5-1 is by existing abutment 3 and roadbed side excavation slope using " more
Root caisson 9 plus cast in situ ferroconcrete wall 10(are referred to as " peg board diaphragm wall ") it is protected.It adopts in gap between stake 9 and stake 9
Secondary protection is carried out with cast in situ ferroconcrete wall 10(thickness 20cm), and slope foot is protected using braiding sack cofferdam.Such as
Shown in Fig. 1, Fig. 2, for the structure for increasing two wires abutment newly in the prior art.The shortcomings that conventional safety scheme: peg board diaphragm wall is by edge
Cast in situ ferroconcrete wall 10 is composed between the more artificial digging piles 9 laid around foundation pit and caisson.People used
Work caisson position is located substantially near existing railway road shoulder, and quantity is more, embedding relatively deep (frequently encountering underground water), protects between caisson
Wall wall pours secondary protection when excavating, and difficulty of construction is big, and entire work progress is completed by manpower substantially, and construction efficiency is low, peace
Full property is poor, high investment.During practice, it can not absolutely ensure the normal operation and safety of existing railway, wind of constructing
Danger is very big.
And supporting construction of the present invention and existing protectiving scheme are far different:
A kind of newly-increased two wires platform way of escape foundation pile pipe curtain supporting construction of railway, is constructed according to the following steps: such as Fig. 3-Fig. 8 institute
Show,
(1) two wires abutment side is increased newly in existing railway 1 correspond to setting support pile at 3 tail position of existing abutment close to slope foot,
Pile body is constituted using artificial digging pile 6, drilled pile or assembled retaining structure, is excavated pile body and is used steel retaining wall, from top to bottom side
The construction method of side installation is excavated, every section retaining wall depth is depending on live soil property situation；
(2) guiding steel pipe 6-3 and leading truck 6-2 is installed in advance in its longitudinal direction along the center of 6 cross section of caisson,
It is oriented to the steel pipe 7-1 outer diameter that steel pipe 6-3 diameter is slightly larger than steel pipe curtain, leading truck 6-2 is by 2 Pin i-beam frames and guiding steel pipe 6-
3 are welded；Leading truck 6-2 is fixed on the guiding two sides steel pipe 6-3 in pairs respectively, is oriented to steel pipe along the height of caisson 6
Spend direction horizontal homogeneous arranged for interval；
(3) after installation is oriented to steel pipe and leading truck in caisson, pile body is poured using C15 concrete 6-4；
(4) steel pipe curtain is set using horizontal drill pipe-following drilling construction technology in the existing railway roadbed of 3 behind of existing abutment
Curtain hole, steel pipe curtain hole in caisson guiding steel pipe quantity and position it is corresponding, if being inserted with respectively in steel pipe curtain hole
Dry curtain steel pipe 7-1, is drilled with the hole 7-2 of several φ 10mm, pitch of holes 500mm on the tube body of curtain steel pipe, and cross is fought each other shape
Arrangement, is arranged steel reinforcement cage 7-3 or fashioned iron, the other end of curtain steel pipe is respectively from the guiding steel in caisson in curtain steel pipe
It is passed through in pipe 6-3 and constitutes pile pipe curtain supporting construction；
(5) the mud jacking slip casting 7-4 in curtain steel pipe 7-1, slip casting wet end furnish use 1:1:1 cement mortar, it is proposed that grouting amount control
Make 1.5~2.0 times theoretical open-hole volume, grouting pressure control and in 0.2~0.4Mpa and after stablizing stop slip casting, before slip casting
Injection speed, grouting amount, slip casting effect test should be done, suitable data is obtained and instructs mortar depositing construction, according to experiment when mortar depositing construction
Data slip casting should be reinforced monitoring in work progress, forbid roadbed or surface uplift within the scope of slip casting area, be adjusted according to monitoring result
Injection speed and grouting amount；Slurries solidify the soil body around curtain steel pipe and steel pipe, further increase curtain steel pipe
The rigidity of the pile pipe curtain of composition.
(6) after the completion of the pile pipe curtain supporting construction of above-mentioned steps, existing bridge is removed in the cone of newly-increased two wires abutment position 5
Body 4, vertical cut existing railway roadbed to design of foundation pit elevation；
(7) when existing railway roadbed filling is poor, steel pipe curtain vertical cut face, which can be used, installs breast boards 7-5 branch when excavating
The mode of shield, breast boards 7-5 use steel plate or bridge construction template, are fully welded welding fabrication between breast boards 7-5 and steel pipe curtain,
Hand excavation's foundation pit should install the construction method of breast boards when excavating from top to bottom, and every section cutting depth can be according to live soil property
Depending on situation；The case where can preventing the gap drift sand of steel pipe curtain 7 and foundation pit walls unstability.
(8) existing roadbed slope foot 2-1 is protected using braiding sack cofferdam.
Caisson 6 uses protection wall of bored pile 6-1 excavation supporting, and fashioned iron leading truck 6-2, guiding steel are installed in caisson 6
Pipe 6-3 after-pouring pile concrete 6-4.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (1)
1. a kind of railway increases two wires platform way of escape foundation pile pipe curtain supporting construction newly, it is characterised in that carry out structure according to the following steps
It builds:
(1) two wires abutment side is increased newly in existing railway correspond to setting support pile, stake at existing abutment tail position close to slope foot
Body is constituted using artificial digging pile, drilled pile or assembled retaining structure；
(2) it is horizontally disposed with guiding steel pipe and leading truck in its length direction along the center of support pile cross section, is oriented to steel pipe
Diameter is slightly larger than the outer diameter of steel pipes of steel pipe curtain, and leading truck is made of 2 Pin i-beam frames, and leading truck is fixed in pairs respectively
The two sides of steel pipe front and rear part are oriented to, leading truck and guiding steel pipe are perpendicular, and guiding steel pipe is horizontal along the short transverse of support pile
Uniform intervals arrangement；
(3) after installation is oriented to steel pipe and leading truck in support pile, using C15 concreting pile body；
(4) it is arranged from top to bottom in the existing railway roadbed of existing abutment behind using horizontal drill pipe-following drilling construction technology
Set steel pipe curtain hole, steel pipe curtain hole in support pile guiding steel pipe quantity and position it is corresponding, in steel pipe curtain hole
It is inserted with several curtain steel pipes respectively, the hole of several φ 10mm, pitch of holes 500mm, cross pair are drilled on the tube body of curtain steel pipe
Shape arrangement is beaten, steel reinforcement cage or fashioned iron are set in curtain steel pipe, and the other end of curtain steel pipe is respectively from the guiding in support pile
It is passed through in steel pipe and constitutes pile pipe curtain supporting construction；
(5) the mud jacking slip casting in curtain steel pipe, slip casting wet end furnish use 1:1:1 cement mortar, grouting amount control 1.5~
2.0 times of theoretical open-hole volume, grouting pressure control stop slip casting in 0.2~0.4Mpa and after stablizing, and should add in work progress
Strong monitoring, forbids roadbed or surface uplift within the scope of slip casting area, adjusts injection speed and grouting amount according to monitoring result；
(6) after the completion of the pile pipe curtain supporting construction of above-mentioned steps, existing bridge is removed in the cone of newly-increased two wires abutment position, is hung down
The straight existing railway roadbed that excavates is to design of foundation pit elevation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350846.0A CN109989407B (en) | 2019-04-28 | 2019-04-28 | Roadbed pile tube curtain supporting structure behind newly-added two-line platform of railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350846.0A CN109989407B (en) | 2019-04-28 | 2019-04-28 | Roadbed pile tube curtain supporting structure behind newly-added two-line platform of railway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109989407A true CN109989407A (en) | 2019-07-09 |
| CN109989407B CN109989407B (en) | 2024-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910350846.0A Active CN109989407B (en) | 2019-04-28 | 2019-04-28 | Roadbed pile tube curtain supporting structure behind newly-added two-line platform of railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109989407B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764286A (en) * | 2020-06-16 | 2020-10-13 | 中铁二十四局集团有限公司 | Frame bridge jacking construction method |
| CN113293665A (en) * | 2021-06-02 | 2021-08-24 | 新疆铁道勘察设计院有限公司 | Roadbed reinforcing method for long side of railway bridge and culvert connection |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2708648A2 (en) * | 2012-09-12 | 2014-03-19 | Zuercher Holding GmbH | Device for construction and/or renovation of a railway track |
| CN207633225U (en) * | 2017-12-13 | 2018-07-20 | 中铁二十三局集团有限公司 | The small spacing abutment constructing structure of neighbouring running railway line |
| CN209958372U (en) * | 2019-04-28 | 2020-01-17 | 新疆铁道勘察设计院有限公司 | Railway newly-added second-line platform back way foundation pile pipe curtain supporting structure |
-
2019
- 2019-04-28 CN CN201910350846.0A patent/CN109989407B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2708648A2 (en) * | 2012-09-12 | 2014-03-19 | Zuercher Holding GmbH | Device for construction and/or renovation of a railway track |
| CN207633225U (en) * | 2017-12-13 | 2018-07-20 | 中铁二十三局集团有限公司 | The small spacing abutment constructing structure of neighbouring running railway line |
| CN209958372U (en) * | 2019-04-28 | 2020-01-17 | 新疆铁道勘察设计院有限公司 | Railway newly-added second-line platform back way foundation pile pipe curtain supporting structure |
Non-Patent Citations (3)
| Title |
|---|
| 刘鑫源;施立平;: "铁路增二线台后路基防护技术比较", 铁路工程造价管理, no. 03 * |
| 李川;: "浅谈庙子湾5#桥台施工既有线防护施工工艺", 科技创新与应用, no. 18 * |
| 贾剑山;: "铁路既有线改建及近距离修建二线防护技术", 山西建筑, no. 24 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764286A (en) * | 2020-06-16 | 2020-10-13 | 中铁二十四局集团有限公司 | Frame bridge jacking construction method |
| CN111764286B (en) * | 2020-06-16 | 2021-04-02 | 中铁二十四局集团有限公司 | Frame bridge jacking construction method |
| CN113293665A (en) * | 2021-06-02 | 2021-08-24 | 新疆铁道勘察设计院有限公司 | Roadbed reinforcing method for long side of railway bridge and culvert connection |
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| Publication number | Publication date |
|---|---|
| CN109989407B (en) | 2024-02-13 |
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