CN208294532U - A kind of bellows cut-and-cover tunnel supporting construction - Google Patents
A kind of bellows cut-and-cover tunnel supporting construction Download PDFInfo
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- CN208294532U CN208294532U CN201820507502.7U CN201820507502U CN208294532U CN 208294532 U CN208294532 U CN 208294532U CN 201820507502 U CN201820507502 U CN 201820507502U CN 208294532 U CN208294532 U CN 208294532U
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- cut
- supporting construction
- tunnel
- bellows
- ripples tube
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Abstract
The utility model relates to a kind of bellows cut-and-cover tunnel supporting construction.Traditional open cut tunnel uses concrete structure, high to foundation bearing capacity requirement, and structure is more thick and heavy, and material consumption is more；Condition harshness is performed, needs could complete under the auxiliary of formwork jumbo, but on operation line or hardships and dangers mountain area bridge tunnel connecting place is without formwork jumbo space or when traveling condition, open-cut tunnel structure can not usually be performed.The utility model structure includes monosymmetric basis, and basis top is provided with metals ripples tube culver, the open cut tunnel lining cutting of setting reinforced concrete structure on the outside of metals ripples tube culver.The utility model can perform metals ripples tube culver open cut tunnel under any operating condition, convenient and quick construction, safe and reliable, especially be connected location in operation line or bridge tunnel, it does not need to cut off traffic, the auxiliary of formwork jumbo is not needed, can greatly reduce construction investment and interference, improve construction efficiency yet.
Description
Technical field
The utility model belongs to traffic engineering technical field, and in particular to a kind of bellows cut-and-cover tunnel supporting construction.
Background technique
In hard and dangerous mountain area, the high slope in mountain is steep, rockfall is extremely developed, more and more to cause safety accident because of rockfall
Happen occasionally, such as existing Chengdu-Kunming Railway Line and Baoji-Chengdu Railway 1971 to 1992, Chengdu-Kunming railway north section by rock-fall impact 238 times, in
Line-break vehicle was up to 38 days；The especially river Wu Si track division section, only 1970 between nineteen eighty-three just by rock-fall impact 420 times；To prevent
Influence of the rockfall to route, scene need to be arranged open cut tunnel and be effectively prevent, and traditional open cut tunnel liner structure is reinforced concrete
Soil, structure bulky is thick big, requires height to execution conditions, and limited by the construction machineries condition such as construction site and trolley, constructs
When, easily interference tunnel normal construction and railroad embankment very big to line influence.
Summary of the invention
The purpose of the utility model is to provide a kind of bellows cut-and-cover tunnel supporting construction, effectively solve to deposit in the prior art
The problem of.
The technology employed by the present utility model is
A kind of bellows cut-and-cover tunnel supporting construction, it is characterised in that:
Including monosymmetric basis, basis top is provided with metals ripples tube culver, and steel is arranged on the outside of metals ripples tube culver
The open cut tunnel lining cutting of tendon concrete structure.
Pre-embedded bolt and pre-embedded steel slab are provided in basis, metals ripples tube culver bottom passes through pre-embedded bolt and pre-embedded steel slab
On the basis of being fixed to.
It is provided in basis and connects a batch muscle, on the basis of open cut tunnel lining cutting is connected to by connecing a batch muscle.
Metals ripples tube culver is made of the splicing of the corrugated plating fissure of displacement, and junction is fixed by connecting screw bolt and nut pin.
Corrugated plating circumferential direction seam stitching portion is provided with ribs, and ribs is corrugated plating, the ripple with metals ripples tube culver
When plate docks, wave crest is to wave crest, and trough is to trough.
The injected hole for backfilling gap is provided on ribs.
The utility model has the advantage that
Open-cut tunnel structure described in the utility model, in hard and dangerous mountain area, on the basis of install assembled metals ripples tube culver, metal
Corrugated culvert is quick and easy for installation, does not need the auxiliary constructions such as formwork jumbo, and its batch production customizes, quality is secure, intensity
Height, structure are safe and reliable, and quick construction is rapid, and interference is small, are particularly suitable for operation route or the connected location of bridge tunnel.
Detailed description of the invention
Fig. 1 is cut-and-cover tunnel structural support structural design scheme schematic diagram.
Fig. 2 is metals ripples tube culver connector schematic diagram.
Fig. 3 is ribs schematic diagram.
In figure, 1- is basic, 2- metals ripples tube culver, 3- open cut tunnel lining cutting, 4- pre-embedded bolt, 5- pre-embedded steel slab, and 6- connects a batch muscle,
7- connection bolt, 8- ribs, 9- nut pin, 10- injected hole.
Specific embodiment
The utility model is described in detail With reference to embodiment.
The utility model relates to a kind of bellows cut-and-cover tunnel supporting construction, including monosymmetric basic 1, on basis 1
Side is provided with metals ripples tube culver 2, and the open cut tunnel lining cutting 3 of reinforced concrete structure is arranged on the outside of metals ripples tube culver 2.
Pre-embedded bolt 4 and pre-embedded steel slab 5 are provided in basis 1,2 bottom of metals ripples tube culver is by pre-embedded bolt 4 and in advance
Steel plate 5 is buried to be fixed on basis 1.
It is provided in basis 1 and connects batch muscle 6, open cut tunnel lining cutting 3 is connected on basis 1 by connecing batch muscle 6.
Metals ripples tube culver 2 is made of the splicing of the corrugated plating fissure of displacement, and junction is fixed by connection bolt 7 and nut pin 9.
Corrugated plating circumferential direction seam stitching portion is provided with ribs 8, and ribs 8 is corrugated plating, docks with the corrugated plating of metals ripples tube culver 2
When, wave crest is to wave crest, and trough is to trough.The injected hole 10 for backfilling gap is provided on ribs 8.
The construction method of above-mentioned bellows cut-and-cover tunnel supporting construction, it is characterised in that:
The following steps are included:
Step 1: performing the basis 1 of open cut tunnel, and basis 1 performs concrete or steel construction according to live site condition, and pre-buried
Bolt, steel plate and connect batch muscle 6；
Step 2: after the completion of basis 1, installing metals ripples tube culver 2 in time, will be golden by pre-embedded bolt 4, pre-embedded steel slab 5
Belong to corrugated culvert 2 to be fixed on basis 1；
Step 3: metals ripples tube culver 2 is using mounting means from the bottom up, corrugated plating staggered joint erection, adopts between corrugated plating
It is connected with bolt pin 7, ribs 8 is arranged in the circumferential seaming position of metals ripples tube culver 2, and the size of ribs 8 can be according to open cut tunnel
Span is adjusted；
Step 4: ribs 8 is fixed by corrosion-resistant bolt 7 and metals ripples tube culver 2, and bolt 7 is exposed to be not less than 5cm, spiral shell
7 top of latching nail, which sets nut peg 9, to be ensured to be connected firmly with outer layer open cut tunnel lining concrete 3；Reserved note at the top of ribs simultaneously
It starches hole 10 and forecasts backfill of the slurries to gap；
Step 5: metal bellows performs reinforced concrete lining layer 3, open cut tunnel lining cutting on the outside of metal bellows after performing
It is securely connected between 3 and basis 1 by connecing batch muscle 6.
Step 6: after the completion of structure performs, further preservative treatment is done to metals ripples tube culver 2,7 exsertion part of bolt.
The content of the utility model is not limited to cited by embodiment, and those of ordinary skill in the art are practical new by reading this
Type specification and to any equivalent transformation that technical solutions of the utility model are taken, be the claim institute of the utility model
Cover.
Claims (6)
1. a kind of bellows cut-and-cover tunnel supporting construction, it is characterised in that:
Including monosymmetric basic (1), it is provided with metals ripples tube culver (2) above basic (1), metals ripples tube culver (2) is outside
The open cut tunnel lining cutting (3) of side setting reinforced concrete structure.
2. a kind of bellows cut-and-cover tunnel supporting construction according to claim 1, it is characterised in that:
It is provided with pre-embedded bolt (4) and pre-embedded steel slab (5) in basic (1), metals ripples tube culver (2) bottom passes through pre-embedded bolt
(4) it is fixed on basic (1) with pre-embedded steel slab (5).
3. a kind of bellows cut-and-cover tunnel supporting construction according to claim 1, it is characterised in that:
It is provided with and connects a batch muscle (6) in basic (1), open cut tunnel lining cutting (3) is connected on basic (1) by connecing a batch muscle (6).
4. a kind of bellows cut-and-cover tunnel supporting construction according to claim 1, it is characterised in that:
Metals ripples tube culver (2) is made of the splicing of the corrugated plating fissure of displacement, and junction is solid by connection bolt (7) and nut pin (9)
It is fixed.
5. a kind of bellows cut-and-cover tunnel supporting construction according to claim 3, it is characterised in that:
Corrugated plating circumferential direction seam stitching portion is provided with ribs (8), and ribs (8) is corrugated plating, with metals ripples tube culver (2)
When corrugated plating docks, wave crest is to wave crest, and trough is to trough.
6. a kind of bellows cut-and-cover tunnel supporting construction according to claim 4, it is characterised in that:
The injected hole (10) for backfilling gap is provided on ribs (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820507502.7U CN208294532U (en) | 2018-04-11 | 2018-04-11 | A kind of bellows cut-and-cover tunnel supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820507502.7U CN208294532U (en) | 2018-04-11 | 2018-04-11 | A kind of bellows cut-and-cover tunnel supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208294532U true CN208294532U (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820507502.7U Active CN208294532U (en) | 2018-04-11 | 2018-04-11 | A kind of bellows cut-and-cover tunnel supporting construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506017A (en) * | 2018-04-11 | 2018-09-07 | 中铁第勘察设计院集团有限公司 | Bellows cut-and-cover tunnel supporting construction and its construction method |
| CN109458196A (en) * | 2019-01-15 | 2019-03-12 | 西南交通大学 | A kind of environment-friendlydurable durable single shell lining structure suitable for Support System in Soft Rock Tunnels |
| CN110410099A (en) * | 2019-05-09 | 2019-11-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | It is a kind of using corrugated plating come the construction method of Strengthening Tunnel |
-
2018
- 2018-04-11 CN CN201820507502.7U patent/CN208294532U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506017A (en) * | 2018-04-11 | 2018-09-07 | 中铁第勘察设计院集团有限公司 | Bellows cut-and-cover tunnel supporting construction and its construction method |
| CN109458196A (en) * | 2019-01-15 | 2019-03-12 | 西南交通大学 | A kind of environment-friendlydurable durable single shell lining structure suitable for Support System in Soft Rock Tunnels |
| CN109458196B (en) * | 2019-01-15 | 2020-07-17 | 西南交通大学 | Environment-friendly durable single-layer lining structure suitable for weak surrounding rock tunnel |
| CN110410099A (en) * | 2019-05-09 | 2019-11-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | It is a kind of using corrugated plating come the construction method of Strengthening Tunnel |
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