CN108506017A - Bellows cut-and-cover tunnel supporting construction and its construction method - Google Patents
Bellows cut-and-cover tunnel supporting construction and its construction method Download PDFInfo
- Publication number
- CN108506017A CN108506017A CN201810321724.4A CN201810321724A CN108506017A CN 108506017 A CN108506017 A CN 108506017A CN 201810321724 A CN201810321724 A CN 201810321724A CN 108506017 A CN108506017 A CN 108506017A
- Authority
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- China
- Prior art keywords
- basis
- cut
- bolt
- bellows
- ripples tube
- Prior art date
- 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 35
- 239000002184 metal Substances 0.000 claims abstract description 46
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 150000002739 metals Chemical class 0.000 claims abstract description 37
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 239000004567 concrete Substances 0.000 claims abstract description 7
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 7
- 238000007747 plating Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 210000003205 muscle Anatomy 0.000 claims description 13
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 238000004826 seaming Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000009415 formwork Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sewage (AREA)
Abstract
The present invention relates to bellows cut-and-cover tunnel supporting construction and its construction methods.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 without formwork jumbo space or when traveling condition, open-cut tunnel structure can not usually perform on operation line or at hardships and dangers mountain area Bridge-wire fusing time.Structure of the invention includes monosymmetric basis, and basis top is provided with metals ripples tube culver, and the open cut tunnel lining cutting of reinforced concrete structure is arranged on the outside of metals ripples tube culver.The present invention can perform metals ripples tube culver open cut tunnel under any operating mode, convenient and quick construction, safe and reliable, especially in operation line or Bridge-wire fusing time location, it need not cut off traffic, the auxiliary of formwork jumbo is not needed, can greatly reduce construction input and interference, improve construction efficiency yet.
Description
Technical field
The invention belongs to traffic engineering technical fields, and in particular to a kind of bellows cut-and-cover tunnel supporting construction and its construction
Method.
Background technology
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 rivers 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 circuit, 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 it is very big to line influence, easily interfere tunnel normal construction and railroad embankment.
Invention content
The object of the present invention is to provide a kind of bellows cut-and-cover tunnel supporting construction and its construction methods, effectively solve existing
The problem of technology.
The technical solution adopted in the present invention is：
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 setting reinforcing bar is mixed on the outside of metals ripples tube culver
The open cut tunnel lining cutting of Xtah Crude Clay 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 construction method of bellows cut-and-cover tunnel supporting construction, it is characterised in that：
Include the following steps：
Step 1：Performing the basis of open cut tunnel, basis performs concrete or steel construction according to live site condition, and pre-embedded bolt,
Steel plate and connect a batch muscle；
Step 2：After the completion of basis, metals ripples tube culver is installed in time, by pre-embedded bolt, pre-embedded steel slab by metal bellows
On the basis of culvert is fixed on；
Step 3：Metals ripples tube culver is using mounting means from the bottom up, corrugated plating staggered joint erection, and bolt is used between corrugated plating
Pin connects, and ribs is arranged in metals ripples tube culver circumferential direction seaming position, and the size of ribs can be adjusted according to open cut tunnel span
It is whole；
Step 4：Ribs is fixed by corrosion-resistant bolt and metals ripples tube culver, and bolt is exposed to be not less than 5cm, bolt pin screw top
Portion, which sets nut peg, to be ensured to be connected firmly with outer layer open cut tunnel lining concrete；Injected hole is reserved at the top of ribs simultaneously and forecasts slurries
Backfill to gap；
Step 5：Metal bellows performs reinforced concrete lining layer, open cut tunnel lining cutting and base on the outside of metal bellows after performing
It is securely connected between plinth by connecing batch muscle.
Step 6：After the completion of structure performs, further preservative treatment is done to metals ripples tube culver, bolt exsertion part.
The present invention has the following advantages：
Open-cut tunnel structure of the present invention, in hard and dangerous mountain area, on the basis of install assembled metals ripples tube culver, metals ripples tube culver
It is quick and easy for installation, the auxiliary constructions such as formwork jumbo are not needed, and its batch production customizes, quality is secure, and intensity is high, structure is pacified
Complete reliable, quick construction is rapid, and interference is small, is particularly suitable for operation route or Bridge-wire fusing time location.
Description of the drawings
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 culvers, 3- open cut tunnel lining cutting, 4- pre-embedded bolts, 5- pre-embedded steel slabs, and 6- connects a batch muscle,
7- connection bolts, 8- ribs, 9- nut pins, 10- injected holes.
Specific implementation mode
The present invention will be described in detail With reference to embodiment.
The present invention relates to a kind of bellows cut-and-cover tunnel supporting construction, including monosymmetric basic 1, basic 1 top frame
Equipped with metals ripples tube culver 2, the open cut tunnel lining cutting 3 of 2 outside setting reinforced concrete structure of metals ripples tube culver.
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 to by connecing batch muscle 6 on basis 1.
Metals ripples tube culver 2 is made of the splicing of the corrugated plating fissure of displacement, and junction is fixed by connecting bolt 7 and nut pin 9.
Corrugated plating circumferential direction seam stitching portion is provided with ribs 8, and ribs 8 is corrugated plating, is docked 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：
Include the following steps：
Step 1：The basis 1 of open cut tunnel is performed, basis 1 performs concrete or steel construction, and pre-buried spiral shell according to live site condition
Bolt, steel plate and connect batch muscle 6；
Step 2：After the completion of basis 1, metals ripples tube culver 2 is installed in time, by pre-embedded bolt 4, pre-embedded steel slab 5 by metal wave
Line pipe culvert 2 is fixed on basis 1；
Step 3：Metals ripples tube culver 2 is using mounting means from the bottom up, corrugated plating staggered joint erection, and spiral shell is used between corrugated plating
Ribs 8 is arranged in 7 connection of latching nail, the circumferential seaming position of metals ripples tube culver 2, and the size of ribs 8 can be according to open cut tunnel span
It 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, bolt pin
7 top of nail, which sets nut peg 9, to be ensured to be connected firmly with outer layer open cut tunnel lining concrete 3；Simultaneously injected hole is reserved at the top of ribs
Backfill of the 10 forecast slurries to gap；
Step 5：Metal bellows performs reinforced concrete lining layer 3 on the outside of metal bellows after performing, open cut tunnel lining cutting 3 with
It is securely connected between 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.
Present disclosure is not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, it is that claim of the invention is covered.
Claims (7)
1. bellows cut-and-cover tunnel supporting construction, it is characterised in that：
Including monosymmetric basis（1）, basis（1）Top is provided with metals ripples tube culver（2）, metals ripples tube culver（2）Outside
The open cut tunnel lining cutting of reinforced concrete structure is arranged in side（3）.
2. bellows cut-and-cover tunnel supporting construction according to claim 1, it is characterised in that：
Basis（1）Inside it is provided with pre-embedded bolt（4）And pre-embedded steel slab（5）, metals ripples tube culver（2）Bottom passes through pre-embedded bolt
（4）And pre-embedded steel slab（5）Fixed to basis（1）On.
3. bellows cut-and-cover tunnel supporting construction according to claim 1, it is characterised in that：
Basis（1）It is inside provided with and connects a batch muscle（6）, open cut tunnel lining cutting（3）By connecing a batch muscle（6）It is connected to basis（1）On.
4. bellows cut-and-cover tunnel supporting construction according to claim 1, it is characterised in that：
Metals ripples tube culver（2）It is made of the splicing of the corrugated plating fissure of displacement, junction is by connecting bolt（7）With nut pin（9）Gu
It is fixed.
5. 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）, ribs（8）For corrugated plating, with metals ripples tube culver（2）'s
When corrugated plating docks, wave crest is to wave crest, and trough is to trough.
6. bellows cut-and-cover tunnel supporting construction according to claim 4, it is characterised in that：
Ribs（8）On be provided with injected hole for backfilling gap（10）.
7. the construction method of bellows cut-and-cover tunnel supporting construction, it is characterised in that：
Include the following steps：
Step 1：Perform the basis of open cut tunnel（1）, basis（1）Concrete or steel construction are performed according to live site condition, and pre-buried
Bolt, steel plate and connect a batch muscle（6）；
Step 2：Basis（1）After the completion, metals ripples tube culver is installed in time（2）, pass through pre-embedded bolt（4）, pre-embedded steel slab（5）
By metals ripples tube culver（2）It is fixed on basis（1）On；
Step 3：Metals ripples tube culver（2）Using mounting means from the bottom up, corrugated plating staggered joint erection uses between corrugated plating
Bolt pin（7）Connection, metals ripples tube culver（2）Ribs is arranged in circumferential seaming position（8）, ribs（8）Size can root
It is adjusted according to open cut tunnel span；
Step 4：Ribs（8）Pass through corrosion-resistant bolt（7）With metals ripples tube culver（2）It is fixed, bolt（7）It is exposed to be not less than
5cm, bolt pin（7）Top sets nut peg（9）Ensure and outer layer open cut tunnel lining concrete（3）It is connected firmly；Reinforce simultaneously
Injected hole is reserved at the top of rib（10）Forecast backfill of the slurries to gap；
Step 5：Metal bellows performs reinforced concrete lining layer after performing on the outside of metal bellows（3）, open cut tunnel lining cutting
（3）With basis（1）Between by connecing a batch muscle（6）Securely connection；
Step 6：After the completion of structure performs, to metals ripples tube culver（2）, bolt（7）Exsertion part does further preservative treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321724.4A CN108506017A (en) | 2018-04-11 | 2018-04-11 | Bellows cut-and-cover tunnel supporting construction and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321724.4A CN108506017A (en) | 2018-04-11 | 2018-04-11 | Bellows cut-and-cover tunnel supporting construction and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506017A true CN108506017A (en) | 2018-09-07 |
Family
ID=63381572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810321724.4A Pending CN108506017A (en) | 2018-04-11 | 2018-04-11 | Bellows cut-and-cover tunnel supporting construction and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506017A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673528A (en) * | 2022-03-28 | 2022-06-28 | 中国电建集团成都勘测设计研究院有限公司 | Tunnel top cavity supporting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2853089A1 (en) * | 1978-12-08 | 1980-06-12 | Hans Dr Ing Heyer | Road tunnel with corrugated lining sheets - has trough shaped expansion sections between side and floor sheets, welded to form sealed joint |
| CN101806220A (en) * | 2010-03-25 | 2010-08-18 | 中铁二院工程集团有限责任公司 | Structure extending open tunnel for existing rapid transit railway tunnel |
| CN201650302U (en) * | 2010-03-25 | 2010-11-24 | 中铁二院工程集团有限责任公司 | Eiking clear hole structure of existing high speed railway tunnel |
| CN204491432U (en) * | 2015-03-23 | 2015-07-22 | 衡水力能新材料工程有限公司 | Gate-type corrugated steel passage |
| CN206428601U (en) * | 2017-01-19 | 2017-08-22 | 山西省交通规划勘察设计院 | The combination of splice type steel reinforced concrete is contained |
| CN207159844U (en) * | 2017-08-08 | 2018-03-30 | 衡水益通管业股份有限公司 | A kind of reinforcement structure for Steel Corrugated Pipe Culvert |
| CN208294532U (en) * | 2018-04-11 | 2018-12-28 | 中铁第一勘察设计院集团有限公司 | A kind of bellows cut-and-cover tunnel supporting construction |
-
2018
- 2018-04-11 CN CN201810321724.4A patent/CN108506017A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2853089A1 (en) * | 1978-12-08 | 1980-06-12 | Hans Dr Ing Heyer | Road tunnel with corrugated lining sheets - has trough shaped expansion sections between side and floor sheets, welded to form sealed joint |
| CN101806220A (en) * | 2010-03-25 | 2010-08-18 | 中铁二院工程集团有限责任公司 | Structure extending open tunnel for existing rapid transit railway tunnel |
| CN201650302U (en) * | 2010-03-25 | 2010-11-24 | 中铁二院工程集团有限责任公司 | Eiking clear hole structure of existing high speed railway tunnel |
| CN204491432U (en) * | 2015-03-23 | 2015-07-22 | 衡水力能新材料工程有限公司 | Gate-type corrugated steel passage |
| CN206428601U (en) * | 2017-01-19 | 2017-08-22 | 山西省交通规划勘察设计院 | The combination of splice type steel reinforced concrete is contained |
| CN207159844U (en) * | 2017-08-08 | 2018-03-30 | 衡水益通管业股份有限公司 | A kind of reinforcement structure for Steel Corrugated Pipe Culvert |
| CN208294532U (en) * | 2018-04-11 | 2018-12-28 | 中铁第一勘察设计院集团有限公司 | A kind of bellows cut-and-cover tunnel supporting construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673528A (en) * | 2022-03-28 | 2022-06-28 | 中国电建集团成都勘测设计研究院有限公司 | Tunnel top cavity supporting method |
| CN114673528B (en) * | 2022-03-28 | 2023-04-28 | 中国电建集团成都勘测设计研究院有限公司 | Tunnel top cavity supporting method |
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