CN206667273U - Device for Strengthening Tunnel mountain body entrance landslide - Google Patents
Device for Strengthening Tunnel mountain body entrance landslide Download PDFInfo
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- CN206667273U CN206667273U CN201720344912.XU CN201720344912U CN206667273U CN 206667273 U CN206667273 U CN 206667273U CN 201720344912 U CN201720344912 U CN 201720344912U CN 206667273 U CN206667273 U CN 206667273U
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Abstract
The utility model provides a kind of device for Strengthening Tunnel mountain body entrance landslide.The device includes：Lattice girder, multiple anchor cables, friction skidding device and multiple first Grouting Pipes；Wherein, lattice girder is arranged at the surface of massif and the position being placed in more than the landslide trailing edge crack of massif, the first end of each anchor cable are embedded in rock mass, and the second end of each anchor cable is arranged in lattice girder and is connected with lattice girder；Friction skidding device is arranged at hole and is embedded under the road surface in tunnel；The outer wall of each first Grouting Pipe is provided with multiple first injected holes, and the rock mass between lattice girder and friction pile device is provided with multiple holes, and in each hole that each first Grouting Pipe is placed in correspondingly, each first Grouting Pipe is used to inject mud into corresponding each hole.Device provided by the utility model for Strengthening Tunnel mountain body entrance landslide improves massif entirety self-stable ability, and the generation of secondary disaster, reduces potential safety hazard when can effectively prevent constructing tunnel.
Description
Technical field
Technical field of tunnel construction is the utility model is related to, is used for Strengthening Tunnel mountain body entrance in particular to one kind
The device on landslide.
Background technology
Since 20th century, with the development of China's communications and transportation and the progress of technology, highway, railway development are rapid, domestic
Traffic is extended in all direction, and highway, railway tunnel also gradually increase.
China is the country on mountain more than one, and mountain area is inevitably passed through in highway, railway construction, due to geology in all parts of the country
Situation is not quite similar, and in part mountain area, tunnel import and export localized ground rises and falls greatly, and surface water development, the earth's surface soil body is in shakiness
Determine state, when constructing open cut tunnel part, above open cut tunnel and the periphery soil body easily produces landslide, forms geological disaster, bright constructing
Need to carry out consolidation process to its peripheral ground soil body before hole, to ensure the normal use of construction safety and tunnel.
Utility model content
In consideration of it, the utility model proposes a kind of device for Strengthening Tunnel mountain body entrance landslide, it is intended to solves tunnel
The problem of potential safety hazard be present caused by landslide is also easy to produce when constructing in road.
On one side, the utility model proposes a kind of device for Strengthening Tunnel mountain body entrance landslide.The device bag
Include：Lattice girder, multiple anchor cables, friction skidding device and multiple first Grouting Pipes；Wherein, lattice girder is arranged at the surface of massif and is placed in
Position more than the landslide trailing edge crack of massif, the first end of each anchor cable are embedded in rock mass, and the second end of each anchor cable is worn
It is connected located at lattice girder and with lattice girder；Friction skidding device is arranged at hole and is embedded under the road surface in tunnel；Each first slip casting
The outer wall of pipe is provided with multiple first injected holes, and the rock mass between lattice girder and friction pile device is provided with multiple holes, and each
In each hole that one Grouting Pipe is placed in correspondingly, each first Grouting Pipe is used to inject mud into corresponding each hole.
Further, in the above-mentioned device for Strengthening Tunnel mountain body entrance landslide, each anchor cable includes：Anchoring section and
Free segment；Wherein, anchoring section is embedded in rock mass, and the first end of free segment is connected with the first end of anchoring section, free segment
Second end is arranged in lattice girder and is connected with lattice girder.
Further, in the above-mentioned device for Strengthening Tunnel mountain body entrance landslide, anchoring section includes：Second Grouting Pipe,
It is embedded in rock mass, the outer wall of the second Grouting Pipe is provided with multiple second injected holes；More first steel strand wires, unprotect layer and
It is coated on the outer wall of the second Grouting Pipe；Stirrup ring and tensioner ring, it is alternately disposed in the second Grouting Pipe, also, adjacent two
There is the first pre-determined distance between stirrup ring and tensioner ring；Free segment includes：3rd Grouting Pipe, is embedded in rock mass, also, the
The first end of three Grouting Pipes is connected with the second Grouting Pipe, the second end of the 3rd Grouting Pipe be arranged in lattice girder and with lattice girder phase
Connection, the outer wall of the 3rd Grouting Pipe are provided with multiple 3rd injected holes；More second steel strand wires, matcoveredn and are coated on
The outer wall of three Grouting Pipes, each second steel strand wires are connected correspondingly with each first steel strand wires.
Further, in the above-mentioned device for Strengthening Tunnel mountain body entrance landslide, each anchor cable also includes：It is oriented to
Cap, it is arranged at the second end of anchoring section；Anchorage, it is arranged at the second end of free segment；Wedge-shaped pad pier, is located in anchorage and lattice girder
Between.
Further, in the above-mentioned device for Strengthening Tunnel mountain body entrance landslide, each anchor cable is with horizontal direction in folder
Angle is set.
Further, in the above-mentioned device for Strengthening Tunnel mountain body entrance landslide, lattice girder is to be made up of multiple beam bodies
Latticed lattice girder, the second end of each anchor cable be arranged in the crosspoint of corresponding each beam body and with corresponding each beam body
It is connected.
Further, in the above-mentioned device for Strengthening Tunnel mountain body entrance landslide, friction skidding device includes：Multiple pile bodies,
It may be contained within hole and be located at same straight line, there is the second pre-determined distance between adjacent two pile bodies.
Further, in the above-mentioned device for Strengthening Tunnel mountain body entrance landslide, each rectangular distribution of pile body.
Further, in the above-mentioned device for Strengthening Tunnel mountain body entrance landslide, the excavation contour line in close tunnel
There is the 3rd pre-determined distance between each pile body and excavation contour line.
Further, in the above-mentioned device for Strengthening Tunnel mountain body entrance landslide, the front end of the first Grouting Pipe is taper.
The utility model sets friction skidding device in the leading edge of slide mass, and slopes can be prevented to continue sliding and crack increase,
The protection system of active force is formed, improves the stability of slip mass.Hole top surface grouting makes its soil body solidify hardened formation
One, and one of strong defence line for coordinating friction skidding device to be formed.Anchor cable carries out active reinforcing to slip mass, and anchor cable anchors into rock
In vivo, slip mass anti-slide performance is added, improves the overall self-stable ability of rock mass, lattice girder carries out last active to domatic
Protection, makes Landslide Stability be further enhanced.The bracing means improves massif entirety self-stable ability, can effectively prevent
Only during constructing tunnel secondary disaster generation, it is ensured that tunnel portal and the personal security in barrel work progress and operation, week
The safety of side village resident, while avoid the hole caused by rock-mass slippage and cave in, so as to change tunnel original design, increase is not
The problem of necessary cost.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to this practicality
New limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the vertical section signal for the device for being used for Strengthening Tunnel mountain body entrance landslide that the utility model embodiment provides
Figure；
Fig. 2 is the plane signal for the device for being used for Strengthening Tunnel mountain body entrance landslide that the utility model embodiment provides
Figure；
Fig. 3 is the first slip casting in the device for being used for Strengthening Tunnel mountain body entrance and coming down that the utility model embodiment provides
The arrangement schematic diagram of pipe；
Fig. 4 is the first slip casting in the device for being used for Strengthening Tunnel mountain body entrance and coming down that the utility model embodiment provides
The structural representation of pipe；
Fig. 5 is the knot of anchor cable in the device for being used for Strengthening Tunnel mountain body entrance and coming down that the utility model embodiment provides
Structure schematic diagram；
Fig. 6 is the A-A of anchor cable in the device for being used for Strengthening Tunnel mountain body entrance and coming down that the utility model embodiment provides
Schematic cross-section；
Fig. 7 is the B-B of anchor cable in the device for being used for Strengthening Tunnel mountain body entrance and coming down that the utility model embodiment provides
Schematic cross-section；
Fig. 8 is used in the device on Strengthening Tunnel mountain body entrance landslide for what the utility model embodiment provided, lattice girder
Structural representation；
Fig. 9 is friction skidding device in the device for being used for Strengthening Tunnel mountain body entrance and coming down that the utility model embodiment provides
Structural representation.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the case where not conflicting, the implementation in the utility model
Feature in example and embodiment can be mutually combined.It is below with reference to the accompanying drawings and in conjunction with the embodiments new to describe this practicality in detail
Type.
Referring to Fig. 1 and Fig. 2, the device for being used for Strengthening Tunnel mountain body entrance landslide that the present embodiment provides is shown in figure
Preferred structure.As illustrated, the device includes：Lattice girder 1, multiple anchor cables 2, friction skidding device 3 and multiple first Grouting Pipes 4.
Wherein, the build side slope 8 based on original place upper thread is carried out to mountain body entrance first, each and build smooth-going from top to bottom,
Slope ratio should be set according to original place shape, but need to be more than or equal to 1:1.5.Each hole can connect into a hole line 6.Then root
Studied and judged according to crack 5 caused by the practically type situation at scene, portal position, geological conditions and landslide and determine whole landslip treatmant
Region, then the division of zone of protection position is carried out, determine friction skidding device guard plot 9, surface grouting guard plot 10 and lattice girder anchor
Totally three zone of protections of rope supporting guard plot 11.Lattice girder 1 and anchor cable 2, lattice are set in lattice girder cable bolting guard plot 11
Structure beam 1 is arranged at the surface of massif and is placed in the position in the landslide trailing edge crack more than 5 of massif, first end (Fig. 1 of each anchor cable 2
Shown right-hand member) it is embedded in rock mass, the second end (left end shown in Fig. 1) of each anchor cable 2 is arranged in lattice girder 1 and dative
Structure beam 1 is connected.When it is implemented, anchor cable 2 can be prestress anchorage cable, the vertical spacing of each anchor cable 2 can be 6.73m, horizontal
Can be 3m to spacing.It is terraced along circumferentially disposed one week of massif in 5 meters outside lattice girder cable bolting guard plot of opening position
Shape intercepting ditch 13, intercepting ditch can be built by laying bricks or stones using M7.5 mortar flag stones, and the depth of intercepting ditch 13 and bottom width are not less than 0.6m, bottom of trench,
Furrow bank mortar flag stone thickness is not less than 0.3m, and intercepting ditch 13 can dam the surface water of massif into intercepting ditch 13, Ran Houpai
Extremely arrive hole.Friction skidding device 3 is set in friction skidding device guard plot 9, and friction skidding device 3 is arranged at hole and is embedded at the road in tunnel
Under face.When it is implemented, friction skidding device 3, which can be embedded in below tunnel road surface absolute altitude, is no less than 10m.Referring to Fig. 3 and Fig. 4, earth's surface
Slip casting guard plot 10 is between friction skidding device guard plot 9 and lattice girder cable bolting guard plot 11, lattice girder 1 and friction pile device
Between rock mass be provided with multiple holes, the diameter in each hole can be 100mm, and the spacing between each hole can be 1.5*1.5m,
In quincuncial arrangement.The outer wall of each first Grouting Pipe 4 is provided with multiple first injected holes 41, also, each first Grouting Pipe 4 one
In the one each hole being accordingly placed in, each first Grouting Pipe 4 can inject mud into corresponding each hole.When it is implemented,
First Grouting Pipe 4 can use diameter 42mm steel floral tubes, and steel floral tube can be processed into by wall thickness 4mm hot rolled seamless steel tube, the spray of molten steel
Pipe front end (right-hand member shown in Fig. 4) can process tapered.The aperture of each first injected hole 41 can be 10mm, each first slip casting
The spacing in hole 41 can be 15cm, in quincuncial arrangement.Slip casting depth in the range of tunnel contour can down on steel tube shed 12,
Other scope slip casting depth can reach Pavement Design absolute altitude above 2m.Slip casting can use single liquid cement mortar, and grouting pressure can be with
For 0.5~1.0MPa, the cement mortar ratio of mud can be 1:1, cement grade is not less than 42.5 grades.
In the present embodiment, slide mass leading edge set friction skidding device 3, can prevent slopes continue sliding and crack 5 increase
Greatly, the protection system of active force is formed, improves the stability of slip mass.Hole top surface grouting makes its soil body solidify hardened shape
Integrally, and coordinate friction skidding device 3 formed one of strong defence line.Anchor cable 2 carries out active reinforcing, anchor cable 2 to slip mass
Anchor into rock mass, add slip mass anti-slide performance, improve the overall self-stable ability of rock mass, lattice girder 1 is carried out most to domatic
Active defense afterwards, makes Landslide Stability be further enhanced.The bracing means improves massif entirety self-stable ability, energy
The generation of effective secondary disaster when preventing constructing tunnel, it is ensured that tunnel portal and personal security in barrel work progress and
Operation, the safety of Surrounding Settlements resident, while avoid the hole caused by rock-mass slippage and cave in, so as to change, tunnel is original to be set
Meter, the problem of increasing unnecessary cost.
Referring to Fig. 5 to 7, the preferred structure for the anchor cable that the present embodiment provides is shown in figure.As illustrated, each anchor cable 2
It may each comprise：Anchoring section 21 and free segment 22.Wherein, anchoring section 21 is embedded in rock mass, first end (Fig. 5 of free segment 22
Shown right-hand member) it is connected with the first end (left end shown in Fig. 5) of anchoring section 21, the second end of free segment 22 is (shown in Fig. 5
Left end) it is arranged in lattice girder 1 and is connected with lattice girder 1, this structure can make the stressed effect of anchor cable 2 more preferable.Specific implementation
When, the second end (right-hand member shown in Fig. 5) of anchoring section 21 can be fixed in rock mass using cement slurry.When making free segment 22
Three layers of anti-corrosion, i.e. brush butter, lead priming paint, overcoat diameter 20mm plastic tube can be set.The length of anchoring section 21 can be 8m, from
It can be 24 meters by the length of section 22.
Anchoring section 21 can include：Second Grouting Pipe 211, more first steel strand wires 212, stirrup ring 213 and tensioner ring
214.Wherein, anchor cable hole can be provided with rock mass, the second injected hole pipe can be placed in anchor cable hole, the second Grouting Pipe 211
Outer wall can be provided with multiple second injected holes.To ensure that anchor cable hole site is correct, 2 points of anchor cable first is calculated by slope ratio, then press
Anchor cable 2 and the angle α of horizontal direction (for Fig. 1), such as 20 ° of the angle of depression extend to ground intersection point, draw anchor on ground
Rope hole site, anchor cable bore dia can be 150mm, and the depth in anchor cable duct can be 32.5 meters.The more nothings of first steel strand wires 212
Protective layer and the outer wall for being coated on the second Grouting Pipe 211, when it is implemented, the first steel strand wires 212 can be 5 a diameter of
15.2mm low relaxation high strength steel strand.Stirrup ring 213 and tensioner ring 214 are alternately disposed in the second Grouting Pipe 211, and
And there is the first pre-determined distance between two adjacent stirrup rings 213 and tensioner ring 214, anchoring section 21 is fixed into jujube core
Shape, the first pre-determined distance can be 1.5m.
It should be noted that the first pre-determined distance can be actually needed according to determine, the present embodiment is not appointed to it
What is limited.
Free segment 22 can include：3rd Grouting Pipe 221 and the second steel strand wires of Duo Gen 222.Wherein, the 3rd Grouting Pipe 221
It is placed in anchor cable hole, also, the first end (right-hand member shown in Fig. 5) of the 3rd Grouting Pipe 221 is connected with the second Grouting Pipe 211,
The second end (left end shown in Fig. 5) of 3rd Grouting Pipe 221 is arranged in lattice girder 1 and is connected with lattice girder 1, the 3rd Grouting Pipe
221 outer wall is provided with multiple 3rd injected holes.It should be noted that the 3rd Grouting Pipe 221 and the second Grouting Pipe 211 should be for
One whole body.The more matcoveredns of second steel strand wires 222 and the outer wall of the 3rd Grouting Pipe 221 is coated on, each second steel twists
Line 222 is connected correspondingly with each first steel strand wires 212.It should be noted that each second steel strand wires 222 with it is corresponding
Each first steel strand wires 212 should be same steel strand wires, only steel strand wires need to be peelled off into partial protection layer.
Blow off in anchor cable hole after aggregate chips, anchor cable 2 is penetrated in anchor cable hole, then be pressed into M30 cement mortar 14, and should add swollen
Swollen dose and early strength agent, once grouting pressure can be controlled between 0.6MPa~2.0MPa, and back-grouting pressure can control
Between 2.5MPa~5.0MPa.The depth of anchor cable hole should be longer 50cm than the length of anchor cable 2, and then the operation of people can be avoided to cause to bore
Hole depth is inadequate, or dust in hole etc. anchors into length without drying net impacts anchor cable 2, and is advantageous to cement slurry the bottom of from
Portion toward top return into.
In above-described embodiment, each anchor cable 2 can also include：Guiding cap 23, anchorage 24 and wedge-shaped pad pier 25.Wherein,
Guiding cap 23 is arranged at the second end of anchoring section 21, plays a part of guiding to anchoring section 21, and anchorage 24 is arranged at free segment 22
The second end, wedge-shaped pad pier 25 is located between anchorage 24 and lattice girder 1.Second end of free segment 22 is arranged in lattice girder 1
And prestressed stretch-draw termination is reserved, carry out prestressed stretch-draw sealing off and covering anchorage formation branch again by installing anchorage 24 after wedge-shaped pad pier 25 of constructing
Watch box system.When it is implemented, wedge-shaped pad pier 25 can be armored concrete pad pier, wedge-shaped pad pier 25 be complete lattice girder 1 it
Afterwards it is cast-in-place in the above, play correction anchor cable 2, facilitate the effect of prestressed stretch-draw, the grade of concrete can be C30.
Referring to Fig. 8, the preferred structure for the lattice girder that the present embodiment provides is shown in figure.As illustrated, lattice girder 1 can be with
For the latticed lattice girder 1 being made up of multiple beam bodies 15, the second end of each anchor cable 2 is arranged in the friendship of corresponding each beam body 15
The middle position of crunode and it is connected with corresponding each beam body 15.When it is implemented, lattice girder 1 can be armored concrete lattice
Structure beam 1, cross dimensions can be 300mm*600mm, and the spacing of each beam body 15 can be 3m*6.73m, reinforced concrete protective layer
35mm should be not less than, concrete grade can be C30.Second end extension elongation of anchor cable 2 meets prestressed stretch-draw length.Each beam
The concrete surface in the crosspoint of body 15 needs to carry out dabbing.
Referring to Fig. 9, the preferred structure for the friction skidding device that the present embodiment provides is shown in figure.As illustrated, friction skidding device 3
Multiple pile bodies 31 can be included.Each pile body 31 can be arranged at hole and be located along the same line, adjacent two pile bodies 31
Between there is the second pre-determined distance, such as the pile center of adjacent two pile bodies 31 is smaller than being equal to 5m, and each pile body 31 is embedded in
Tunnel road surface absolute altitude depth below can be more than or equal to 10m.Each pile body 31 can be with rectangular distribution.The stake holes of pile body 31 can be with
Excavated using the tunneling method of artificial pneumatic pick rock drilling, soil layer often saves and carries out segmentation coagulation immediately when excavating 1m, rock stratum 1.5m
Until pore-forming, stake holes will clear up the unconsolidated rock of bottom hole native panelling construction before checking and accepting, and carry out steel reinforcement cage processing and peace
Dress, concrete perfusion.The arrangement shape of each pile body 31 can be designed as rectangle.Close to each pile body of the excavation contour line 7 in tunnel
There is the 3rd pre-determined distance between 31 and excavation contour line 7, such as can be less than or equal to 1m close to the distance of tunnel excavation profile.
It should be noted that the second pre-determined distance and the 3rd pre-determined distance can determine according to being actually needed, this reality
Apply example and do not do any restriction to it.
In the present embodiment, each pile body 31 sets rectangular and on same plane line, can make the mechanics of each pile body 31
Better performances, overall repellence are strong.The stake holes of pile body 31 can reduce the vibration to the massif that comes down using hand excavation's mode, keep away
Exempt from occur security incident in work progress.
To sum up, the present embodiment sets friction skidding device in the leading edge of slide mass, and slopes can be prevented to continue sliding and crack increasing
Greatly, the protection system of active force is formed, improves the stability of slip mass.Hole top surface grouting makes its soil body solidify hardened shape
Integrally, and coordinate friction skidding device formed one of strong defence line.Anchor cable carries out active reinforcing to slip mass, and anchor cable anchors into
In rock mass, slip mass anti-slide performance is added, improves the overall self-stable ability of rock mass, lattice girder carries out last master to domatic
Dynamic protection, makes Landslide Stability be further enhanced.The bracing means improves massif entirety self-stable ability, can be effective
The generation of secondary disaster when preventing constructing tunnel, it is ensured that tunnel portal and personal security in barrel work progress and operation,
The safety of Surrounding Settlements resident, while avoid the hole caused by rock-mass slippage and cave in, so as to change tunnel original design, increase
The problem of unnecessary cost.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. device for Strengthening Tunnel mountain body entrance landslide, it is characterised in that including：Lattice girder (1), multiple anchor cables (2), friction skidding device (3) and multiple first Grouting Pipes (4)；Wherein,The lattice girder (1) is arranged at the surface of the massif and the position being placed in more than the landslide trailing edge crack (5) of the massif Put, the first end of each anchor cable (2) is embedded in rock mass, and the second end of each anchor cable (2) is arranged in the lattice Beam (1) and it is connected with the lattice girder (1)；The friction skidding device (3) is arranged at the hole and is embedded under the road surface in the tunnel；The outer wall of each first Grouting Pipe (4) is provided with multiple first injected holes (41), and the lattice girder (1) resists with described The rock mass between sliding pile device is provided with multiple holes, and each first Grouting Pipe (4) is placed in each described correspondingly In hole, each first Grouting Pipe (4) is used to inject mud into corresponding each hole.
- 2. the device according to claim 1 for Strengthening Tunnel mountain body entrance landslide, it is characterised in that each anchor Rope (2) includes：Anchoring section (21) and free segment (22)；Wherein,The anchoring section (21) is embedded in the rock mass, and the of the first end of the free segment (22) and the anchoring section (21) One end is connected, and the second end of the free segment (22) is arranged in the lattice girder (1) and is connected with the lattice girder (1).
- 3. the device according to claim 2 for Strengthening Tunnel mountain body entrance landslide, it is characterised in that the anchoring section (21) include：Second Grouting Pipe (211), is embedded in the rock mass, and the outer wall of second Grouting Pipe (211) is provided with multiple second Injected hole；More first steel strand wires (212), unprotect layer and the outer wall for being coated on second Grouting Pipe (211)；Stirrup ring (213) and tensioner ring (214), it is alternately disposed in second Grouting Pipe (211), also, adjacent two There is the first pre-determined distance between the stirrup ring (213) and the tensioner ring (214)；The free segment (22) includes：3rd Grouting Pipe (221), is embedded in the rock mass, also, the first end of the 3rd Grouting Pipe (221) and described the Two Grouting Pipes (211) are connected, the second end of the 3rd Grouting Pipe (221) be arranged in the lattice girder (1) and with the lattice Structure beam (1) is connected, and the outer wall of the 3rd Grouting Pipe (221) is provided with multiple 3rd injected holes；More second steel strand wires (222), matcoveredn and the outer wall for being coated on the 3rd Grouting Pipe (221), each described Two steel strand wires (222) are connected correspondingly with each first steel strand wires (212).
- 4. the device according to claim 2 for Strengthening Tunnel mountain body entrance landslide, it is characterised in that each anchor Rope (2) also includes：Guiding cap (23), it is arranged at the second end of the anchoring section (21)；Anchorage (24), it is arranged at the second end of the free segment (22)；Wedge-shaped pad pier (25), is located between the anchorage (24) and the lattice girder (1).
- 5. the device according to any one of claim 1 to 4 for Strengthening Tunnel mountain body entrance landslide, its feature exists In,Each anchor cable (2) is set with horizontal direction in angle.
- 6. the device according to claim 5 for Strengthening Tunnel mountain body entrance landslide, it is characterised in thatThe lattice girder (1) is the latticed lattice girder (1) that is made up of multiple beam bodies (15), the second end of each anchor cable (2) It is arranged in the crosspoint of corresponding each beam body (15) and is connected with corresponding each beam body (15).
- 7. the device according to claim 1 for Strengthening Tunnel mountain body entrance landslide, it is characterised in that the antiskid dress Putting (3) includes：Multiple pile bodies (31), it may be contained within the hole and be located at same straight line, have between adjacent two pile bodies (31) There is the second pre-determined distance.
- 8. the device according to claim 7 for Strengthening Tunnel mountain body entrance landslide, it is characterised in thatThe rectangular distribution of each pile body (31).
- 9. the device according to claim 7 for Strengthening Tunnel mountain body entrance landslide, it is characterised in thatWith the between each pile body (31) and the excavation contour line (7) of the excavation contour line (7) in the tunnel Three pre-determined distances.
- 10. the device according to claim 1 for Strengthening Tunnel mountain body entrance landslide, it is characterised in thatThe front end of first Grouting Pipe (4) is taper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720344912.XU CN206667273U (en) | 2017-04-05 | 2017-04-05 | Device for Strengthening Tunnel mountain body entrance landslide |
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| CN201720344912.XU CN206667273U (en) | 2017-04-05 | 2017-04-05 | Device for Strengthening Tunnel mountain body entrance landslide |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968260A (en) * | 2017-04-05 | 2017-07-21 | 五冶集团上海有限公司 | The device and method come down for Strengthening Tunnel mountain body entrance |
| CN109235464A (en) * | 2018-09-10 | 2019-01-18 | 中铁六局集团广州工程有限公司 | Compound Anti-sliding stopping structure |
| CN109295988A (en) * | 2018-11-06 | 2019-02-01 | 四川理工学院 | A kind of protective device preventing landslide |
| CN109555120A (en) * | 2018-12-05 | 2019-04-02 | 中铁二院工程集团有限责任公司 | A kind of prestressing force shock-resistant and energy-dissipating anchor pole |
| CN112392487A (en) * | 2020-12-09 | 2021-02-23 | 中国葛洲坝集团第一工程有限公司 | Hole digging construction method for saturated water-bearing sand soil layer under highly permeable rock mass |
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2017
- 2017-04-05 CN CN201720344912.XU patent/CN206667273U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968260A (en) * | 2017-04-05 | 2017-07-21 | 五冶集团上海有限公司 | The device and method come down for Strengthening Tunnel mountain body entrance |
| CN109235464A (en) * | 2018-09-10 | 2019-01-18 | 中铁六局集团广州工程有限公司 | Compound Anti-sliding stopping structure |
| CN109295988A (en) * | 2018-11-06 | 2019-02-01 | 四川理工学院 | A kind of protective device preventing landslide |
| CN109295988B (en) * | 2018-11-06 | 2021-03-30 | 四川理工学院 | Protection device for prevention landslide |
| CN109555120A (en) * | 2018-12-05 | 2019-04-02 | 中铁二院工程集团有限责任公司 | A kind of prestressing force shock-resistant and energy-dissipating anchor pole |
| CN112392487A (en) * | 2020-12-09 | 2021-02-23 | 中国葛洲坝集团第一工程有限公司 | Hole digging construction method for saturated water-bearing sand soil layer under highly permeable rock mass |
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