CN106761768A - A kind of novel steel tube curtain structure support system and its construction method - Google Patents
A kind of novel steel tube curtain structure support system and its construction method Download PDFInfo
- Publication number
- CN106761768A CN106761768A CN201610988201.6A CN201610988201A CN106761768A CN 106761768 A CN106761768 A CN 106761768A CN 201610988201 A CN201610988201 A CN 201610988201A CN 106761768 A CN106761768 A CN 106761768A
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- steel pipe
- steel
- pipe
- support system
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 299
- 239000010959 steel Substances 0.000 title claims abstract description 299
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 34
- 239000002689 soil Substances 0.000 claims description 43
- 230000006641 stabilisation Effects 0.000 claims description 22
- 238000011105 stabilization Methods 0.000 claims description 22
- 230000010412 perfusion Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000005641 tunneling Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/001—Improving soil or rock, e.g. by freezing; Injections
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a kind of novel steel tube curtain structure support system and its construction method, it is related to underground tunneling support technology field, it is used to solve the problems, such as the junction stress weakness of the adjacent steel pipe of pipe curtain structure in the prior art, it is necessary to set up a large amount of temporary supports to ensure overall structure stability.Novel steel tube curtain structure includes the first steel pipe, the second steel pipe and the 3rd steel pipe, multiple first steel pipes are arranged in order to form N-shaped structure, it is attached by the 3rd steel pipe between two the first steel pipes of arbitrary neighborhood, first steel pipe is formed and two the second steel pipes for being located at same level is respectively equipped with two legs of N-shaped structure, and concrete has been poured into the first steel pipe, the second steel pipe and the 3rd steel pipe.Novel steel tube curtain structure support system and its construction method improve the lateral stiffness and bearing capacity of pipe curtain support system in the present invention, without setting up a large amount of temporary supports, reduce construction costs, shorten the duration, simplify working procedure, effectively prevent ground settlement, improve construction quality.
Description
Technical field
The present invention relates to underground tunneling support technology field, a kind of novel steel tube curtain structure support system is more particularly related to
And its construction method.
Background technology
At present, the developable space in ground is fewer and feweri, and the development underground space is the inexorable trend of international metropolis, greatly
The type underground space uses tunneling mode as the construction of subway station etc..Pipe curtain construction method is that a kind of new underground engineering is dark
Digging technology, is a kind of construction party that large span cross-section underground project dug underground is constructed on the basis of large-diameter steel pipe solid matter supporting
Method, be particularly well-suited to intensive urban architecture, the busy section of traffic above-ground, under wear existing important structures building, an ultra shallow bury and
In large section tunnel engineering, there is obvious advantage.
However, only being connected with fore shaft between traditional adjacent steel pipe of pipe curtain structure, cause the lateral stiffness of integral tube curtain and hold
, it is necessary to set up a large amount of temporary supports to ensure integrally-built stability when carrying power weaker, therefore excavating the pipe curtain inside soil body, cause
Construction speed is slower.In addition horizontal section is generally domes, low space utilization.
The content of the invention
The present invention provides a kind of novel steel tube curtain structure support system and its construction method, is used to solve manage in the prior art
The junction stress weakness of the adjacent steel pipe of curtain structure is, it is necessary to set up a large amount of temporary supports to ensure asking for integrally-built stability
Topic.
Specifically, novel steel tube curtain structure support system, pipe curtain structure includes the first steel pipe, the second steel pipe and the 3rd steel
Pipe, the first steel pipe, the second steel pipe and the 3rd steel pipe are multiple, and multiple first steel pipes are arranged in order to form N-shaped structure, any phase
It is attached by the 3rd steel pipe between adjacent two the first steel pipes, the first steel pipe is formed and set respectively at two legs of N-shaped structure
There are two the second steel pipes for being located at same level, concrete has been poured into the first steel pipe, the second steel pipe and the 3rd steel pipe.
Preferably, the pipe axle of the 3rd steel pipe is perpendicular with the pipe axle of the first steel pipe of two neighboring connection, the 3rd steel pipe and
Connected using welding manner between two neighboring first steel pipe, the first steel pipe is provided with injected hole.
Preferably, fixed also by the 3rd steel-pipe welding between the second steel pipe and the first adjacent steel pipe.
Preferably, also including the first soil stabilization layer and the second soil stabilization layer, the first soil stabilization layer is arranged at second
The bottom of steel pipe, the second soil stabilization layer is arranged at two the first steel pipe outsides of arbitrary neighborhood.
Preferably, the external diameter of the first steel pipe is 1.2-1.4m, and the external diameter of the second steel pipe is 1.8-2.2m, outside the 3rd steel pipe
Footpath is 0.3-0.5m.
Preferably, the end of the 3rd steel pipe is circumferentially provided with 4 high-strength bolts, and high-strength bolt is 8.8 grade high-strength bolts,
And external diameter is M22, high-strength bolt is evenly distributed on the tube wall of the 3rd steel pipe, and first row stomata is additionally provided with the 3rd steel pipe.
Preferably, the first steel pipe and the second steel pipe are respectively arranged at two ends with closure steel plate, are arranged at the first steel pipe and second
The closure steel plate of steel pipe one end is provided with filling concrete hole and secondary grouting hole, and the closure steel plate of the other end is provided with second row
Stomata.
Preferably, bottom wing listrium, bottom wing listrium and the first steel-pipe welding are additionally provided between two the first steel pipes of arbitrary neighborhood
It is fixed.
The construction method of novel steel tube curtain structure support system, comprises the following steps：
S1, preparation of construction：According to the shape of design pipe curtain structure, the size and quantity required of various steel pipes are determined, excavate
Vertical shaft, builds operation platform；
S2, the first steel pipe for heading into N-shaped structure successively in design attitude, and one side jacking is while dig out in the first steel pipe
The earthwork in portion；
S3, horizontal two the second steel pipes of jacking of difference at two legs of N-shaped structure, and to the soil on the outside of the first steel pipe
Body and the second steel pipe bottom soil body carry out grouting and reinforcing, are correspondingly formed the second soil stabilization layer and the first soil stabilization layer；
S4, the first steel pipe and the second steel pipe be pre-designed at position slot, remove the first steel pipe and the second steel pipe fluting
The soil body at place, the 3rd fastener for connection is used by the first adjacent steel pipe, and by the second steel pipe and adjacent with the second steel pipe first
Steel pipe uses the 3rd fastener for connection, and first row stomata is reserved on the 3rd steel pipe；
S5, the uniform multiple high-strength bolts of installation on the two ends tube wall of the 3rd steel pipe；
S6, the first steel pipe and the second steel pipe two ends are respectively welded closure steel plate, and in the first steel pipe and the second steel pipe one
Filling concrete hole and secondary grouting hole are reserved on the closure steel plate at end, second row stomata is reserved on the closure steel plate of the other end；
S7, to the first steel pipe, the second steel pipe and concrete perfusion in the 3rd steel pipe；
S8, after concrete reaches design strength, carry out pipe curtain structure lower section the soil body excavation, on one side excavation the soil body, one
While welding bottom wing listrium on tube wall on the inside of the first steel pipe of arbitrary neighborhood.
Preferably, specific novel steel tube curtain structure support system and its construction method, in step S7, in advance in the first steel pipe
Top built-in slip casting pipe, by filling concrete hole to the first steel pipe, the second steel pipe and concrete perfusion in the 3rd steel pipe, when
When not filling concrete in one steel pipe, the second steel pipe and the 3rd steel pipe, by Grouting Pipe connecting secondary injected hole again to first
Steel pipe, the second steel pipe and concrete perfusion in the 3rd steel pipe.
The invention has the advantages that：
Connected with the 3rd steel pipe and bottom wing listrium between adjacent first steel pipe in the present invention, compensate for each steel of conventional tube curtain structure
Only connected with lock between pipe, the shortcoming for causing the junction stress of the adjacent steel pipe of pipe curtain structure very weak；It is proposed by the present invention
New pipe curtain support system substantially increases its lateral stiffness and bearing capacity, big without setting up when excavating the steel pipe curtain lower section soil body
The temporary support of amount, and then construction cost is reduced, shorten the duration, simplify working procedure；Pipe curtain structure top proposed by the present invention
It is horizontal plane, overall section is rectangular configuration, relative to crowned section, substantially increases the utilization rate of the underground space；The present invention
Two second steel pipes being relatively large in diameter of bottom jacking of two side pipes curtain, and grouting and reinforcing is carried out to the second steel pipe bottom, increase
The rigidity of both sides steel pipe curtain bottoms, effectively reduces the downward sedimentation of overall steel pipe curtain, and then reduces ground settlement, carries
Construction quality high.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the novel steel tube curtain structure support system structural representation that the embodiment of the present invention 1 is provided；
Fig. 2 is adjacent first steel pipe connection structure in the novel steel tube curtain structure support system that the embodiment of the present invention 1 is provided
Schematic diagram；
Bolt distribution map on 3rd steel pipe in the novel steel tube curtain structure support system that Fig. 3 is provided for the embodiment of the present invention 1；
Fig. 4 is closure steel plate structure schematic diagram in the novel steel tube curtain structure support system that the embodiment of the present invention 1 is provided；
Slip casting hole site on first steel pipe in the novel steel tube curtain structure support system that Fig. 5 is provided for the embodiment of the present invention 1
Schematic diagram.
Description of reference numerals：
The steel pipes of 1- first, 11- injected holes, the steel pipes of 2- second, the steel pipes of 3- the 3rd, 31- high-strength bolts, the soil stabilizations of 4- first
Layer, 5- bottom wing listriums, the soil stabilizations of 6- second layer, 7- ground, 8- closure steel plates, 81- filling concretes hole, 82- secondary groutings
Hole, 83- steam vents.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
As Figure 1-5, the embodiment of the present invention 1 provides a kind of novel steel tube curtain structure support system, and pipe curtain structure includes
First steel pipe 1, the second steel pipe 2 and the 3rd steel pipe 3, the first steel pipe 1, the second steel pipe 2 and the 3rd steel pipe 3 are multiple, Duo Ge
One steel pipe 1 is arranged in order to form N-shaped structure, is attached by the 3rd steel pipe 3 between two the first steel pipes 1 of arbitrary neighborhood, the
One steel pipe 1 forms and two the second steel pipes 2 for being located at same level, the first steel pipe is respectively equipped with two legs of N-shaped structure
1st, concrete has been poured into the second steel pipe 2 and the 3rd steel pipe 3.
Wherein, the external diameter of the first steel pipe 1 is 1.2m, and the external diameter of the second steel pipe 2 is 1.8m, and the external diameter of the 3rd steel pipe 3 is
0.3m, the pipe axle of the 3rd steel pipe 3 is perpendicular with the pipe axle of the first steel pipe 1 of two neighboring connection, the 3rd steel pipe 3 and two neighboring
Connected using welding manner between first steel pipe 1, the first steel pipe 1 is provided with injected hole 11, be easy to the soil to the outside of the first steel pipe 1
Body carries out grouting and reinforcing；Fixed also by the 3rd steel-pipe welding between second steel pipe 2 and the first adjacent steel pipe 1, support system
Also include the first soil stabilization layer 4 and the second soil stabilization layer 6, the first soil stabilization layer 4 is arranged at the bottom of the second steel pipe 2,
Second steel pipe 2 and the first soil stabilization layer 4 are effectively increased the bottom rigidity of steel pipe curtain structure both sides, reduce overall steel pipe
The downward sedimentation of curtain, reduces ground settlement, improves construction quality；Second soil stabilization layer 6 is arranged at arbitrary neighborhood two
The outside of the first steel pipe 1, by the injected hole 11 on the first steel pipe 1 to grouting and reinforcing in the soil body, forms the second soil stabilization layer
6, increase the intensity of pipe curtain structure horizontal plane；The end of the 3rd steel pipe 3 is circumferentially provided with 4 high-strength bolts 31, high-strength bolt 31
From 8.8 grade high-strength bolts, and external diameter is M22, and 4 high-strength bolts 31 are evenly distributed on the tube wall of the 3rd steel pipe 3, the 3rd
First row stomata is additionally provided with steel pipe 3, high-strength bolt 31 can strengthen pulling capacity and cohesive force of the 3rd steel pipe 3 in concrete,
Concrete can be irrigated closely knit by first row stomata in concrete perfusion inside the 3rd steel pipe 3；First steel pipe 1 and second
Being respectively arranged at two ends with for steel pipe 2 blocks steel plate 8, and the closure steel plate 8 for being arranged at the first steel pipe 1 and the one end of the second steel pipe 2 is provided with
Filling concrete hole 81 and secondary grouting hole 82, the closure steel plate 8 of the other end are provided with second row stomata 83, filling concrete hole
81 are used for concrete perfusion in the first steel pipe 1 and the second steel pipe 2, and second row stomata 83 is used in concrete perfusion to outside
Exhaust, makes filling concrete closely knit, and secondary grouting hole 82 is disposed to prevention steel pipe inner concrete perfusion leakiness, can be
Later stage carries out secondary grouting；Bottom wing listrium 5, the steel pipe of bottom wing listrium 5 and first are additionally provided between two the first steel pipes 1 of arbitrary neighborhood
1 is welded and fixed, and the 3rd steel pipe 3 and bottom wing listrium 5 connect the first adjacent steel plate 1 simultaneously, strengthen adjacent first steel pipe 1 and connect
The stress at place, improves pipe curtain structure lateral stiffness and bearing capacity.
Specifically, novel steel tube curtain structure support system and its construction method, comprise the following steps：
S1, preparation of construction：According to the shape of design pipe curtain structure, the size and quantity required of various steel pipes are determined, excavate
Vertical shaft, builds operation platform；
S2, the first steel pipe 1 of N-shaped structure is headed into successively in the envisaged underneath position of ground 7, and one side jacking is while dig out
The earthwork inside first steel pipe 1；
S3, horizontal two the second steel pipes 2 of jacking of difference at two legs of N-shaped structure, and to the outside of the first steel pipe 1
The soil body and the bottom soil body of the second steel pipe 2 carry out grouting and reinforcing, are correspondingly formed the second soil stabilization layer 6 and the first soil stabilization layer 4；
S4, the first steel pipe 1 and the second steel pipe 2 be pre-designed at position slot, remove the first steel pipe 1 and the second steel pipe 2
The soil body at fluting, the first adjacent steel pipe 1 is connected using the 3rd steel pipe 3, and by the second steel pipe 2 and with the phase of the second steel pipe 2
The first adjacent steel pipe 1 is connected using the 3rd steel pipe 3, and first row stomata is reserved on the 3rd steel pipe 3；
S5,4 high-strength bolts 31 of uniform installation on the two ends tube wall of the 3rd steel pipe 3；
S6, the first steel pipe 1 and the two ends of the second steel pipe 2 are respectively welded closure steel plate 8, and in the first steel pipe 1 and the second steel
Filling concrete hole 81 and secondary grouting hole 82 are reserved on the closure steel plate 8 of the one end of pipe 2, is reserved on the closure steel plate 8 of the other end
Second row stomata 83；
S7, in advance in the top built-in slip casting pipe of the first steel pipe 1, by blocking the filling concrete hole 81 reserved on steel plate 8
To the first steel pipe 1, the second steel pipe 2 and concrete perfusion in the 3rd steel pipe 3, when the first steel pipe 1, the second steel pipe 2 and the 3rd steel pipe 3
In when not filling concrete, it is mixed to being irrigated in the first steel pipe 1, the second steel pipe 2 and the 3rd steel pipe 3 again by secondary grouting hole 82
Solidifying soil；
S8, after concrete reaches design strength, carry out pipe curtain structure lower section the soil body excavation, on one side excavation the soil body, one
While welding bottom wing listrium 5 on the inner side tube wall of the first steel pipe 1 of arbitrary neighborhood.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of novel steel tube curtain structure support system, it is characterised in that the pipe curtain structure includes the first steel pipe (1), second
Steel pipe (2) and the 3rd steel pipe (3), first steel pipe (1), second steel pipe (2) and the 3rd steel pipe (3) are many
Individual, multiple first steel pipes (1) are arranged in order to form N-shaped structure, pass through between first steel pipe (1) of arbitrary neighborhood two
3rd steel pipe (3) is attached, and first steel pipe forms and two are respectively equipped with two legs of N-shaped structure positioned at same
Second steel pipe (2) of one horizontal plane, has poured into first steel pipe (1), the second steel pipe (2) and the 3rd steel pipe (3)
Concrete.
2. novel steel tube curtain structure support system according to claim 1, it is characterised in that the 3rd steel pipe (3)
Pipe axle is perpendicular with the pipe axle of first steel pipe (1) of two neighboring connection, the 3rd steel pipe (3) and two neighboring described
Connected using welding manner between first steel pipe (1), first steel pipe (1) is provided with injected hole (11).
3. novel steel tube curtain structure support system according to claim 1, it is characterised in that second steel pipe (2) with
It is welded and fixed also by the 3rd steel pipe (3) between adjacent first steel pipe (1).
4. novel steel tube curtain structure support system according to claim 1, it is characterised in that also including the first soil stabilization
Layer (4) and the second soil stabilization layer (6), first soil stabilization layer (4) are arranged at the bottom of second steel pipe (2), institute
State the second soil stabilization layer (6) and be arranged at the first steel pipe (1) outside of arbitrary neighborhood two.
5. novel steel tube curtain structure support system according to claim 1, it is characterised in that first steel pipe (1)
External diameter is 1.2-1.4m, and the external diameter of second steel pipe (2) is 1.8-2.2m, and the external diameter of the 3rd steel pipe (3) is 0.3-
0.5m。
6. novel steel tube curtain structure support system according to claim 1, it is characterised in that the 3rd steel pipe (3)
End is circumferentially provided with 4 high-strength bolts (31), and the high-strength bolt (31) is 8.8 grade high-strength bolts, and external diameter is M22,
The high-strength bolt (31) is evenly distributed on the tube wall of the 3rd steel pipe (3), and first is additionally provided with the 3rd steel pipe (3)
Steam vent.
7. novel steel tube curtain structure support system according to claim 1, it is characterised in that first steel pipe (1) and
Being respectively arranged at two ends with for second steel pipe (2) blocks steel plate (8), is arranged at first steel pipe (1) and second steel pipe
(2) the closure steel plate (8) of one end is provided with filling concrete hole (81) and secondary grouting hole (82), the closure steel of the other end
Plate (8) is provided with second row stomata (83).
8. novel steel tube curtain structure support system according to claim 1, it is characterised in that arbitrary neighborhood two described
Bottom wing listrium (5) is additionally provided between one steel pipe (1), the bottom wing listrium (5) is welded and fixed with first steel pipe (1).
9. the construction method of a kind of novel steel tube curtain structure support system as described in claim 1-8 is any, it is characterised in that
Comprise the following steps：
S1, preparation of construction：According to the shape of design pipe curtain structure, the size and quantity required of various steel pipes are determined, excavating shaft,
Build operation platform；
S2, the first steel pipe (1) for heading into N-shaped structure successively in design attitude, and one side jacking is while dig out the first steel pipe (1)
The internal earthwork；
S3, horizontal two the second steel pipes (2) of jacking are distinguished at two legs of N-shaped structure, and to the first steel pipe (1) on the outside of
The soil body and the second steel pipe (2) bottom soil body carry out grouting and reinforcing, are correspondingly formed the second soil stabilization layer (6) and the first soil stabilization
Layer (4)；
S4, it is pre-designed at position in the first steel pipe (1) and the second steel pipe (2) and is slotted, removes the first steel pipe (1) and the second steel pipe
(2) soil body at fluting, adjacent the first steel pipe (1) is connected using the 3rd steel pipe (3), and by the second steel pipe (2) and with the
Adjacent the first steel pipe (1) of two steel pipes (2) is connected using the 3rd steel pipe (3), and first row stomata is reserved on the 3rd steel pipe (3)；
S5, the uniform multiple high-strength bolts (31) of installation on the two ends tube wall of the 3rd steel pipe (3)；
S6, the first steel pipe (1) and the second steel pipe (2) two ends are respectively welded closure steel plate (8), and in the first steel pipe (1) and the
Filling concrete hole (81) and secondary grouting hole (82) are reserved on the closure steel plate (8) of two steel pipes (2) one end, the closure of the other end
Second row stomata (83) is reserved on steel plate (8)；
S7, to the first steel pipe (1), the second steel pipe (2) and concrete perfusion in the 3rd steel pipe (3)；
S8, after concrete reaches design strength, carry out pipe curtain structure lower section the soil body excavation, on one side excavation the soil body, while
Bottom wing listrium (5) is welded on first steel pipe (1) the inner side tube wall of arbitrary neighborhood.
10. the construction method of novel steel tube curtain structure support system according to claim 9, it is characterised in that step S7
In, in advance in the first steel pipe (1) top built-in slip casting pipe, by filling concrete hole (81) to the first steel pipe (1), the second steel pipe
(2) concrete perfusion and in the 3rd steel pipe (3), it is mixed when not filled in the first steel pipe (1), the second steel pipe (2) and the 3rd steel pipe (3)
During solidifying soil, by Grouting Pipe connecting secondary injected hole (82) again to the first steel pipe (1), the second steel pipe (2) and the 3rd steel pipe (3)
Middle concrete perfusion.
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| CN201610988201.6A CN106761768B (en) | 2016-11-10 | 2016-11-10 | A kind of steel pipe curtain structure support system and its construction method |
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| CN201610988201.6A CN106761768B (en) | 2016-11-10 | 2016-11-10 | A kind of steel pipe curtain structure support system and its construction method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278116A (en) * | 2018-01-22 | 2018-07-13 | 东北大学 | A kind of Shallow Large Span pipe curtain support system and its construction method |
| CN109653772A (en) * | 2019-02-03 | 2019-04-19 | 东北大学 | A kind of shallow buried tube curtain support system and its construction method |
| CN110344842A (en) * | 2019-07-30 | 2019-10-18 | 中铁九局集团第七工程有限公司 | Main traffic road pipe curtain construction is worn under Subway tunnel |
| CN110952993A (en) * | 2019-11-19 | 2020-04-03 | 东北大学 | Semi-assembly type pipe curtain structure based on steel reinforced concrete connection and construction process |
| CN112597618A (en) * | 2020-08-18 | 2021-04-02 | 西南交通大学 | Method and device for predicting ground surface settlement of tunnel engineering pipe curtain support construction |
| CN113279692A (en) * | 2021-05-09 | 2021-08-20 | 苏州中车建设工程有限公司 | Soft soil body area pipe shed supporting structure and construction method thereof |
| CN113982625A (en) * | 2021-10-12 | 2022-01-28 | 中国化学工程第十六建设有限公司 | Reinforcing device and method for preventing subway tunnel from settling in soft soil |
| CN116006217A (en) * | 2022-12-27 | 2023-04-25 | 中铁十四局集团隧道工程有限公司 | Pipe curtain structure and construction method thereof |
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