CN204125850U - A kind of cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable - Google Patents
A kind of cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable Download PDFInfo
- Publication number
- CN204125850U CN204125850U CN201420436607.XU CN201420436607U CN204125850U CN 204125850 U CN204125850 U CN 204125850U CN 201420436607 U CN201420436607 U CN 201420436607U CN 204125850 U CN204125850 U CN 204125850U
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- steel tube
- concrete pile
- tunnel
- tube concrete
- anchorage cable
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- 239000004567 concrete Substances 0.000 title claims abstract description 37
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 20
- 239000004927 clay Substances 0.000 claims abstract description 8
- 239000011435 rock Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 239000011083 cement mortar Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model relates to a kind of cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable, belongs to construction of tunnel technical field.This is provided with the cantilever shed tunnel of steel tube concrete pile and prestress anchorage cable, this cantilever shed tunnel is rearranged by some bracing or strutting arrangement orders, bracing or strutting arrangement comprises base support means, top braces device be connected base support means, the reinforced concrete upright column of top braces device, base support means comprises basis, steel tube concrete pile and vertical prestressed anchor cables, top braces device comprises hangar tunnel crossbeam and transverse prestress anchor cable, hangar tunnel crossbeam between two on adjacent supports device is provided with linking beam, linking beam is provided with roof support with reinforced concrete, roof support with reinforced concrete covers complex waterproof layer from the inside to the outside successively, backfill, clay aquiclude.This device shortens the duration, reduction engineering cost, structural stability and anticorrosion ability is good.
Description
Technical field
The utility model relates to a kind of cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable, belongs to construction of tunnel technical field.
Background technology
In Yunnan, Sichuan, the mountain area such as Guizhou be when building highway and railway, often limits by economy, alignment condition, be difficult to build tunnel, and can only excavating cut slope, passes through, often form high gradient slope with roadbed form.Due to massif vegetation deterioration, rain drop erosion, cut the reasons such as slope is precipitous, easily cause cutting location to occur the disasters such as landslide, avalanche, falling rocks and mud-rock flow, have a strong impact on traffic safety.For ensureing the operation security in this type of region, being everlasting and being difficult to build tunnel, arcuately open cut tunnel or for time cost-saving, build canopy formula open cut tunnel.
Build the area of hangar tunnel, often relief is large, and hillside is precipitous, has inconvenient traffic, and large-scale excavating equipment is difficult to enter, and construction plant is narrow, and hangar tunnel difficulty of construction is large.When particularly building hangar tunnel basis, according to blasting method pore-forming, slope instability or destruction may be caused; Often exist in construction and to underlie firm ground, when adopting hand excavation's pile foundation, hand excavation be difficult to carry out or consuming time for a long time, affect the duration, basic building-in depth deficiency and overturning or slip resistance analysis are difficult to the problem met the demands.
Summary of the invention
For above-mentioned prior art Problems existing and deficiency, the utility model provides a kind of cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable.This cantilever shed tunnel is provided with lower support structure, provides antiskid and shearing resistance, solves the problem of basic building-in depth deficiency, improves structural stability; The top support structure of this cantilever shed tunnel rock crown arranges transverse prestress anchorage cable anchoring in crossbeam right-hand member for adopting boring, to provide pulling capacity, meet cantilever construction overturning or slip resistance analysis requirement, ensure the stable of shed hole structure, the utility model is achieved through the following technical solutions.
A kind of cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable, this cantilever shed tunnel is rearranged by some bracing or strutting arrangement orders, bracing or strutting arrangement comprises base support means, top braces device be connected base support means, the reinforced concrete upright column 5 of top braces device, base support means comprises basis 2, steel tube concrete pile 3 and vertical prestressed anchor cables 4, manually digging hole is to bottom firm ground layer setting steel tube concrete pile 3 and steel tube concrete pile 3 top connects basis 2, 2 sides, basis are provided with vertical prestressed anchor cables 4 and connect bottom firm ground layer, top braces device comprises hangar tunnel crossbeam 9 and transverse prestress anchor cable 6, hangar tunnel crossbeam 9 side is positioned at tip hard horizon d and this side is provided with boss, boss is provided with transverse prestress anchor cable 6 and is connected with tip hard horizon d, hangar tunnel crossbeam 9 between two on adjacent supports device is provided with linking beam 8, linking beam 8 is provided with roof support with reinforced concrete 10, roof support with reinforced concrete 10 covers complex waterproof layer 11 from the inside to the outside successively, backfill 14, clay aquiclude 15.
Before the cantilever shed tunnel installation of described steel tube concrete pile and prestress anchorage cable, rock slope is arranged slope retaining structure 1, slope retaining structure 1 is grouting rock bolt or form concrete.
Described reinforced concrete upright column 5 and hangar tunnel crossbeam 9 are provided with diagonal brace 7, to strengthen the stability of hangar tunnel crossbeam 9.
Described roof support with reinforced concrete 10 is provided with gutter 12.
Described covering complex waterproof layer 11 front end is provided with ear wall 13, plays and stops falling rocks to fall to the effect on road surface, and arrange clay aquiclude 15 in backfill 14, reduce rainwater infiltration.
The steeper place of cantilever shed tunnel upper slope of described steel tube concrete pile and prestress anchorage cable arranges side slope protective screen 16, prevents rubble from tumbling destruction shed hole structure.
When above-mentioned steel tube concrete pile 3 is built, bore diameter is greater than diameter of steel tube 2 ~ 5cm, builds the fixing steel pipe of micro-expansion cement slurry after inserting steel pipe in steel pipe periphery.
Above-mentioned complex waterproof layer 11 first adopts mass ratio to be that the cement mortar of 1:3.5 is floating, and rear employing cationic emulsified bitumen latex and glass fabric interval are arranged, finally in its surface smear 1:2 cement mortar as topping.
The beneficial effects of the utility model are: manually digging hole need adopted to construct, but the hard area be difficult to carry out of basement rock, adopt the basis being provided with steel tube concrete pile and vertical prestressed anchor cables can reduce embeded depth of foundation, the reduction of erection time; More traditional pile foundation can save a large amount of concrete and bar material, reduces engineering cost; Crossbeam is arranged the stability against overturning that transverse prestress anchor cable is conducive to improving cantilever structure; Top board and backfill arrange waterproofing course, gutter and clay aquiclude, and anticorrosion ability is good.
Accompanying drawing explanation
Fig. 1 is the utility model cantilever shed tunnel section of structure;
Fig. 2 is the utility model braced structures top view.
In figure: 1-slope retaining structure, 2-basis, 3-steel tube concrete pile, 4-vertical prestressed anchor cables, 5-reinforced concrete upright column, 6-transverse prestress anchor cable, 7-diagonal brace, 8-linking beam, 9-hangar tunnel crossbeam, 10-roof support with reinforced concrete, 11-complex waterproof layer, 12-gutter, 13-ear wall, 14-backfill, 15-clay aquiclude, 16-side slope protective screen.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 to 2, this is provided with the cantilever shed tunnel of steel tube concrete pile and prestress anchorage cable, this cantilever shed tunnel is rearranged by some bracing or strutting arrangement orders, bracing or strutting arrangement comprises base support means, top braces device be connected base support means, the reinforced concrete upright column 5 of top braces device, base support means comprises basis 2, steel tube concrete pile 3 and vertical prestressed anchor cables 4, manually digging hole is to bottom firm ground layer setting steel tube concrete pile 3 and steel tube concrete pile 3 top connects basis 2, 2 sides, basis are provided with vertical prestressed anchor cables 4 and connect bottom firm ground layer, top braces device comprises hangar tunnel crossbeam 9 and transverse prestress anchor cable 6, hangar tunnel crossbeam 9 side is positioned at tip hard horizon d and this side is provided with boss, boss is provided with transverse prestress anchor cable 6 and is connected with tip hard horizon d, hangar tunnel crossbeam 9 between two on adjacent supports device is provided with linking beam 8, linking beam 8 is provided with roof support with reinforced concrete 10, roof support with reinforced concrete 10 covers complex waterproof layer 11 from the inside to the outside successively, backfill 14, clay aquiclude 15.
Before wherein the cantilever shed tunnel of steel tube concrete pile and prestress anchorage cable is installed, rock slope is arranged slope retaining structure 1, slope retaining structure 1 is grouting rock bolt or form concrete; Reinforced concrete upright column 5 and hangar tunnel crossbeam 9 are provided with diagonal brace 7, to strengthen the stability of hangar tunnel crossbeam 9; Roof support with reinforced concrete 10 is provided with gutter 12; Cover complex waterproof layer 11 front end and be provided with ear wall 13, play the effect of buffering falling rocks, and clay aquiclude 15 is set in backfill 14, reduce rainwater infiltration; The steeper place of cantilever shed tunnel upper slope of steel tube concrete pile and prestress anchorage cable arranges side slope protective screen 16, prevents rubble from tumbling destruction shed hole structure; When steel tube concrete pile 3 is built, bore diameter is greater than diameter of steel tube 2 ~ 5cm, builds the fixing steel pipe of micro-expansion cement slurry after inserting steel pipe in steel pipe periphery; Complex waterproof layer 11 first adopts mass ratio to be that the cement mortar of 1:3.5 is floating, and rear employing cationic emulsified bitumen latex and glass fabric interval are arranged, finally in its surface smear 1:2 cement mortar as topping.
By reference to the accompanying drawings detailed description of the invention of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (6)
1. one kind is provided with the cantilever shed tunnel of steel tube concrete pile and prestress anchorage cable, it is characterized in that: this cantilever shed tunnel is rearranged by some bracing or strutting arrangement orders, bracing or strutting arrangement comprises base support means, top braces device be connected base support means, the reinforced concrete upright column (5) of top braces device, base support means comprises basis (2), steel tube concrete pile (3) and vertical prestressed anchor cables (4), manually digging hole is to bottom firm ground layer setting steel tube concrete pile (3) and steel tube concrete pile (3) top connects basis (2), (2) side, basis is provided with vertical prestressed anchor cables (4) and connects bottom firm ground layer, top braces device comprises hangar tunnel crossbeam (9) and transverse prestress anchor cable (6), hangar tunnel crossbeam (9) side is positioned at tip hard horizon d and this side is provided with boss, boss is provided with transverse prestress anchor cable (6) and is connected with tip hard horizon d, hangar tunnel crossbeam (9) between two on adjacent supports device is provided with linking beam (8), linking beam (8) is provided with roof support with reinforced concrete (10), roof support with reinforced concrete (10) covers complex waterproof layer (11) from the inside to the outside successively, backfill (14), clay aquiclude (15).
2. the cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable according to claim 1, is characterized in that: before the cantilever shed tunnel installation of described steel tube concrete pile and prestress anchorage cable, rock slope is arranged slope retaining structure (1).
3. the cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable according to claim 1, is characterized in that: described reinforced concrete upright column (5) and hangar tunnel crossbeam (9) are provided with diagonal brace (7).
4. the cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable according to claim 1, is characterized in that: described roof support with reinforced concrete (10) is provided with gutter (12).
5. the cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable according to claim 1, is characterized in that: described covering complex waterproof layer (11) front end is provided with ear wall (13).
6. the cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable according to claim 1, is characterized in that: the steeper place of cantilever shed tunnel upper slope of described steel tube concrete pile and prestress anchorage cable arranges side slope protective screen (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436607.XU CN204125850U (en) | 2014-08-05 | 2014-08-05 | A kind of cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436607.XU CN204125850U (en) | 2014-08-05 | 2014-08-05 | A kind of cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204125850U true CN204125850U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420436607.XU Expired - Fee Related CN204125850U (en) | 2014-08-05 | 2014-08-05 | A kind of cantilever shed tunnel being provided with steel tube concrete pile and prestress anchorage cable |
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| CN (1) | CN204125850U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603893A (en) * | 2016-03-07 | 2016-05-25 | 中国科学院、水利部成都山地灾害与环境研究所 | Tunnel portal flexible nose-shaped rolling stone discharging and guiding shed tunnel structure and designing method thereof |
| CN109736215A (en) * | 2019-01-31 | 2019-05-10 | 中铁第一勘察设计院集团有限公司 | Rockfall means of defence and its existing hangar tunnel combine stone cut off wall structure |
| CN111101450A (en) * | 2019-12-31 | 2020-05-05 | 中铁二院工程集团有限责任公司 | Steep slope pier rockfall prevention structure and construction method |
| CN114606855A (en) * | 2022-04-26 | 2022-06-10 | 四川省公路规划勘察设计研究院有限公司 | Fabricated pier anti-collision buffer device and construction method thereof |
-
2014
- 2014-08-05 CN CN201420436607.XU patent/CN204125850U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603893A (en) * | 2016-03-07 | 2016-05-25 | 中国科学院、水利部成都山地灾害与环境研究所 | Tunnel portal flexible nose-shaped rolling stone discharging and guiding shed tunnel structure and designing method thereof |
| CN105603893B (en) * | 2016-03-07 | 2017-08-08 | 中国科学院、水利部成都山地灾害与环境研究所 | Tunnel face flexibility nose-shaped Rolling Stone row leads shed hole structure body and its design method |
| CN109736215A (en) * | 2019-01-31 | 2019-05-10 | 中铁第一勘察设计院集团有限公司 | Rockfall means of defence and its existing hangar tunnel combine stone cut off wall structure |
| CN111101450A (en) * | 2019-12-31 | 2020-05-05 | 中铁二院工程集团有限责任公司 | Steep slope pier rockfall prevention structure and construction method |
| CN114606855A (en) * | 2022-04-26 | 2022-06-10 | 四川省公路规划勘察设计研究院有限公司 | Fabricated pier anti-collision buffer device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20160805 |