CN208057122U - The hardened system of soft rock tunnel country rock - Google Patents

The hardened system of soft rock tunnel country rock Download PDF

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Publication number
CN208057122U
CN208057122U CN201721631877.6U CN201721631877U CN208057122U CN 208057122 U CN208057122 U CN 208057122U CN 201721631877 U CN201721631877 U CN 201721631877U CN 208057122 U CN208057122 U CN 208057122U
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CN
China
Prior art keywords
country rock
electro
tube body
well point
rock
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Expired - Fee Related
Application number
CN201721631877.6U
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Chinese (zh)
Inventor
曹晓川
何能方
侯伟名
张选龙
王志杰
王李
雷飞亚
周平
汤豪
徐海岩
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Southwest Jiaotong University
CCCC Tunnel Engineering Co Ltd
Original Assignee
Southwest Jiaotong University
CCCC Tunnel Engineering Co Ltd
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Application filed by Southwest Jiaotong University, CCCC Tunnel Engineering Co Ltd filed Critical Southwest Jiaotong University
Priority to CN201721631877.6U priority Critical patent/CN208057122U/en
Application granted granted Critical
Publication of CN208057122U publication Critical patent/CN208057122U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of hardened systems of soft rock tunnel country rock, including the electro-osmosis well point being set in country rock, each electro-osmosis well point includes the anode tap, insulation division, cathode terminal being sequentially inserted into country rock, the anode tap, insulation division, cathode terminal hold together successively, it is connected with the anode of power supply after the anode series connection of each electro-osmosis well point, is connected with the cathode of power supply after the cathode series connection of each electro-osmosis well point.In country rock water because itself polarity it is dragged to movable cathode under electric field action, finally it is discharged from cathode, to achieve the effect that the stabilization by drainage of soft rock tunnel country rock, the utility model holds together anode tap with cathode terminal by insulation division, thus, it is possible to allow to arrange more electro-osmosis well point inside country rock, thus when needing the amount of precipitation larger, above-mentioned electro-osmosis well point can also meet precipitation demand, and then reach the consolidation effect of ideal soft rock tunnel country rock.

Description

The hardened system of soft rock tunnel country rock
Technical field
The present invention relates to technical field of tunnel construction, in particular to a kind of hardened system of soft rock tunnel country rock.
Background technology
With being pushed further into for development of the West Regions, the high ferro in west area builds development like a raging fire, largely passes through The highway in weak surrounding rock area, railway tunnel continuously emerge.Since weak rocks class self-stability is poor, low bearing capacity is easy to happen tunnel Road country rock large deformation, face arch chip off-falling, the accidents such as cave in, to ensure that constructing tunnel and operation security, urgent need to resolve are such Problem.
At present the reinforcement measure of Support System in Soft Rock Tunnels mainly use bolt-spary supports, front pneumatically placed concrete, barrel vault advanced support, Advance anchor bolt, mortar reinforcing etc..Above-mentioned traditional processing method is only reinforced from the balance angle of power, it is difficult to be accomplished Completely waterproof, reinforcing is costly, influences the normal operation in tunnel and being normally carried out for construction.To solve the above-mentioned problems, existing Occur being modified country rock using electro-osmosis method in technology, to achieve the purpose that surrounding rock consolidation, but existing electro-osmosis method The ruggedized construction of use is complex, and consolidation effect is also undesirable, and in addition more physics that electro-osmosis well point cooperation is added is needed to add Fixing structure is used, and is not substantially reduced on reinforcement cost, in addition to this existing electro-osmosis well point be using anode with The mode of cathode parallel setting, the required occupation of land position of one electro-osmosis well point of setting is larger, the electro-osmosis well point that can be arranged Limited amount, when needing the amount of precipitation larger, above-mentioned electro-osmosis well point is difficult to reach precipitation demand.Such as Chinese patent literature A kind of in-situ modified tunnel anchoring process of the electro-osmosis method of underground swell potential index disclosed in CN201310476691 i.e. using Hardened system in above-mentioned electro-osmosis method.
Utility model content
The main purpose of the utility model is to provide the hardened systems of soft rock tunnel country rock, soft in the prior art to solve The undesirable problem of the hardened system consolidation effect of rock tunnel surrounding.
To achieve the goals above, the utility model provides a kind of hardened system of soft rock tunnel country rock, including setting In the electro-osmosis well point in country rock, which is characterized in that each electro-osmosis well point includes the anode tap, insulation division, the moon being sequentially inserted into country rock Extremely, the anode tap, insulation division, cathode terminal hold together successively, after the series connection of the anode of each electro-osmosis well point with power supply Anode is connected, and is connected with the cathode of power supply after the cathode series connection of each electro-osmosis well point.Water is because itself polarity is in electric field action in country rock Under it is dragged to movable cathode, finally from cathode be discharged, to achieve the effect that the stabilization by drainage of soft rock tunnel country rock, this practicality Novel that anode tap is held together with cathode terminal by insulation division, thus, it is possible to allow to arrange more electricity inside country rock Seepage well point, thus when needing the amount of precipitation larger, above-mentioned electro-osmosis well point can also meet precipitation demand, and then reach ideal The consolidation effect of soft rock tunnel country rock.
Further, the anode tap is conductive slotted pipe, and the cathode terminal is conductive tube body, and the insulation division is exhausted Edge tube body, the slotted pipe is equipped with insulation tube body joint can destroy diaphragm, and the tube body of electrolyte is full of in the slotted pipe. It should be noted that the size of cracking of above-mentioned slotted pipe is insufficient under the action of not certain external force so that in above-mentioned slotted pipe Electrolyte flows out.After anode tap, insulation division, cathode terminal are arranged in country rock, can be destroyed under the action of external mechanical force every Film is destroyed, and finally can inject mortar into contact tube body.In the case of lasting energization, the ion in electrolyte is by cracking Cracking for pipe enters in country rock, due to the presence of electrolyte, it also occur that electrolysis, ion exchange and chemical bond etc. after energization Effect generates binding material, promotes the encryption of soil body aggregate themselves, to further improve the intensity of country rock.
Further, the slotted pipe and conductive tube body are irony tube body.Irony tube body is cheap, is applied conducive to reduction Work cost.
Further, it is connected through a screw thread between the slotted pipe and insulation tube body.Thus facilitate slotted pipe and insulation tube The installation and dismounting of body.
Further, it is connected through a screw thread between the insulation tube body and conductive tube body.Thus facilitate insulation tube body and lead The installation and dismounting of fulgurite body.
Further, the insulation tube body is rubber tube.Rubber tube is cheap, and insulation effect is excellent.
Further, the diaphragm is PVC film.PVC film is easy to be destroyed under certain squeeze pressure, and being achieved in can break The performance of bad diaphragm.
Further, the insulation tube body wall thickness is 16mm, and the wall thickness of the slotted pipe and conductive tube body is 6mm.By This makes the consolidation effect of the utility model reach best.
Further, the electro-osmosis well point is successively arranged in country rock along tunnel extending direction, adjacent electro-osmosis well point arrangement The electro-osmosis well point of layer is arranged in a crossed manner.Thus the locational space in country rock is taken full advantage of so that electro-osmosis well point has in country rock Sequence is arranged.
Further, the supply voltage is 0-200V.So that the consolidation effect of the utility model reaches best.
As it can be seen that the hardened system of the utility model soft rock tunnel country rock can allow for arranging more electric osmose inside country rock Well point, thus when needing the amount of precipitation larger, above-mentioned electro-osmosis well point can also meet precipitation demand, and then reach ideal soft The consolidation effect of rock tunnel surrounding.
The utility model is described further with reference to the accompanying drawings and detailed description.The utility model is additional Aspect and advantage will be set forth in part in the description, and partly will become apparent from the description below, or through the invention Practice recognize.
Description of the drawings
The attached drawing for constituting the part of the utility model is used for assisting the understanding of the present invention, the content provided in attached drawing And its related explanation can be used for explaining the utility model in the present invention, but the improper limit to the utility model is not constituted It is fixed.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the hardened system of the utility model soft rock tunnel country rock.
Fig. 2 is the structural schematic diagram of electro-osmosis well point in the utility model.
Fig. 3 is the distributed architecture schematic diagram of electro-osmosis well point in the utility model.
Related label in above-mentioned attached drawing be:
1:Slotted pipe;
2:Conductive tube body;
3:Insulate tube body;
4:Electrolyte;
5:Diaphragm can be destroyed;
6:Power supply;
7:Positive wire;
8:Cathode wire;
9:Country rock;
A:First electro-osmosis well point layer;
B:Second electro-osmosis well point layer.
Specific implementation mode
Clear, complete explanation is carried out to the utility model below in conjunction with the accompanying drawings.Those of ordinary skill in the art based on The utility model will be realized in the case of these explanations.Before being illustrated to the utility model in conjunction with attached drawing, spy is needed It is not pointed out that:
Technical solution and technical characteristic in the utility model provided in each section including following the description, In the case of not conflicting, these technical solutions and technical characteristic can be combined with each other.
In addition, involved in following the description to the embodiments of the present invention be generally only one branch of the utility model reality Example is applied, instead of all the embodiments.Therefore, the embodiments of the present invention are based on, those of ordinary skill in the art are not having There is the every other embodiment obtained under the premise of making creative work, should all belong to the model of the utility model protection It encloses.
About term in the utility model and unit.In description and claims of this specification and related part Term " comprising ", " having " and their any deformation, it is intended that cover and non-exclusive include.Term " slotted pipe " is tunnel Road construction field often uses cast, several gaps for including tube body in slotted pipe structure and being circumferentially opened on tube body, these Gap will not cause the liquid spill inside it under the action of no extruding force;Term " can destroy diaphragm " expression is centainly being squeezed The diaphragm that can be destroyed under pressure pressure or other machinery destruction.
The hardened system of the utility model soft rock tunnel country rock, including the electro-osmosis well point that is set in country rock 9, each electric osmose well Point includes anode tap, insulation division, the cathode terminal being sequentially inserted into country rock, and the anode tap, insulation division, cathode terminal are linked as one successively A entirety is connected after the anode series connection of each electro-osmosis well point with the anode of power supply 6, the cathode of each electro-osmosis well point connect after with power supply 6 Cathode be connected.
The anode tap is the slotted pipe 1 of conduction, and the cathode terminal is conductive tube body 2, and the insulation division is insulation tube body 3, the slotted pipe 1 is equipped with 3 joint of insulation tube body can destroy diaphragm 5, and the slotted pipe 1 is internal full of electrolyte 4 Tube body.
The slotted pipe 1 is irony tube body with conductive tube body 2.
It is connected through a screw thread between the slotted pipe 1 and insulation tube body 3.
It is connected through a screw thread between the insulation tube body 3 and conductive tube body 2.
The insulation tube body 3 is rubber tube.
The diaphragm that destroys is PVC film.
The insulation tube body wall thickness is 16mm, and the slotted pipe 1 and the wall thickness of conductive tube body 2 are 6mm.
The electro-osmosis well point is successively arranged in country rock 9 along tunnel extending direction, the electric osmose of adjacent electro-osmosis well point arrangement layer Well point is arranged in a crossed manner.
6 voltage of the power supply is 0-200V.
As shown in Figure 1, the hardened system of the utility model soft rock tunnel country rock, including distribution are set to the electricity in country rock 9 Seepage well point, each electro-osmosis well point include the anode tap, insulation division, cathode terminal being sequentially connected as an entirety, the sun of each electro-osmosis well point Be connected with the anode of power supply 6 by positive wire 7 after the series connection of pole, the cathode of each electro-osmosis well point connect after by cathode wire 8 and The cathode of power supply 6 is connected.As shown in Fig. 2, the anode tap is conductive slotted pipe 1, the cathode terminal is conductive tube body 2, institute It is insulation tube body 3 to state insulation division, slotted pipe 1, insulation tube body 3, conductive tube body 2 one, Liancheng tubulose entirety successively, described to crack Pipe 1 is equipped with 3 joint of insulation tube body can destroy diaphragm 5, and the slotted pipe 1 is the internal tube body for being full of electrolyte 4.
The electro-osmosis well point is can be seen that in conjunction with Fig. 1 and Fig. 3 in country rock 9 successively to arrange along tunnel extending direction, it is adjacent The electro-osmosis well point of electro-osmosis well point arrangement layer is arranged in a crossed manner.Such as first electro-osmosis well point layer A and the second electro-osmosis well point layer B be it is adjacent Electro-osmosis well point layer, electro-osmosis well point between the two are arranged in a crossed manner inside country rock.
Wherein, it is connected through a screw thread between the preferably described slotted pipe 1 and insulation tube body 3;The insulation tube body 3 and contact tube It is connected through a screw thread between body 2;The insulation tube body 3 is rubber tube;The diaphragm is PVC film;The insulation tube body wall thickness is 16mm, the slotted pipe 1 and the wall thickness of conductive tube body 2 are 6mm;6 voltage of the power supply is 0-200V.
The practice of construction process of the utility model is as follows,
1) drilling of equipment Drilling diameter 42mm is used, radially with tunnel axis, the abutment wall with tunnel is in vertical for drilling 10 Histogram is to along tunnel axially in quincuncial arrangement.Drilling is 0.8- along the spacing of tunnel circumferential direction and along the array pitch of tunnel axial direction 1.2m, drilling depth 3-3.5m.
(2) slotted pipe of irony 1, insulation tube body 3 and conductive tube body 2 are sequentially connected composition into an entirety, to cracking Electrolyte 4 is injected in pipe 1, diaphragm 5 can be destroyed by being arranged between slotted pipe 1 and insulation tube body 3.Wherein, insulation tube body 3 is outer The overall diameter of a diameter of 42mm, slotted pipe 1 and conductive tube body 2 is 32mm, and the inner diameter size of three is identical, is 26mm.It presses According to anode tap towards the direction inside country rock, integral electro-osmosis well point will be connected and be inserted into above-mentioned drilling.
(3) mortar is filled into the gap between drilling and cathode terminal so that conductive tube body 2 is bonded with country rock.It uses Positive wire 7 connects all anodes in drilling, all cathodes is together in series using with cathode wire 8, later by anode Conducting wire 7 is connected with the anode of DC power supply 6, and cathode wire 8 is connected with the cathode of DC power supply.
(4) lasting to be powered, in country rock water because itself polarity it is dragged to movable cathode under electric field action, the soil body is gradually solid Knot;Ion in electrolyte 4 enters the soil body by cracking, and the complex reactions such as electrolysis, ion exchange and chemical bond occur, and generates The substances such as hydroxide colloid, hydrated calcium silicate and drated calcium aluminate promote the encryption of soil body aggregate themselves, are enclosed to reach reinforcing The purpose of rock.
(5) after being powered, it can destroy diaphragm 5 using drilling rod and break, cement grout is injected into cylinder, be bored with closing Hole.
The related content of the utility model is illustrated above.Those of ordinary skill in the art are based on these explanations In the case of will realize the utility model.The above based on the utility model, those of ordinary skill in the art are not having There is the every other embodiment obtained under the premise of making creative work, should all belong to the model of the utility model protection It encloses.

Claims (10)

1. the hardened system of soft rock tunnel country rock, including the electro-osmosis well point that is set in country rock (9), which is characterized in that each electric osmose Well point includes the anode tap, insulation division, cathode terminal being sequentially inserted into country rock, and the anode tap, insulation division, cathode terminal are linked as successively One entirety is connected after the anode series connection of each electro-osmosis well point with the anode of power supply (6), the cathode of each electro-osmosis well point connect after with electricity The cathode in source (6) is connected.
2. the hardened system of soft rock tunnel country rock as described in claim 1, which is characterized in that the anode tap is conductive opens Slit-tube (1), the cathode terminal are conductive tube body (2), and the insulation division is insulation tube body (3), the slotted pipe (1) and insulation tube Body (3) joint, which is equipped with, can destroy diaphragm (5), and the slotted pipe (1) is the internal tube body for being full of electrolyte (4).
3. the hardened system of soft rock tunnel country rock as claimed in claim 2, which is characterized in that the slotted pipe (1) and conduction Tube body (2) is irony tube body.
4. the hardened system of soft rock tunnel country rock as claimed in claim 2, which is characterized in that the slotted pipe (1) and insulation Tube body is connected through a screw thread between (3).
5. the hardened system of soft rock tunnel country rock as claimed in claim 2, which is characterized in that the insulation tube body (3) with lead Fulgurite body is connected through a screw thread between (2).
6. the hardened system of soft rock tunnel country rock as claimed in claim 2, which is characterized in that the insulation tube body (3) is rubber Sebific duct.
7. the hardened system of soft rock tunnel country rock as claimed in claim 2, which is characterized in that the diaphragm (5) that destroys is PVC film.
8. the hardened system of soft rock tunnel country rock as claimed in claim 2, which is characterized in that insulation tube body (3) wall thickness Wall thickness for 16mm, the slotted pipe (1) and conductive tube body (2) is 6mm.
9. the hardened system of soft rock tunnel country rock as described in claim 1, which is characterized in that the electro-osmosis well point is in country rock (9) it successively arranges along tunnel extending direction in, the electro-osmosis well point of adjacent electro-osmosis well point arrangement layer is arranged in a crossed manner.
10. the hardened system of soft rock tunnel country rock as described in claim 1, which is characterized in that power supply (6) voltage is 0- 200V。
CN201721631877.6U 2017-11-29 2017-11-29 The hardened system of soft rock tunnel country rock Expired - Fee Related CN208057122U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721631877.6U CN208057122U (en) 2017-11-29 2017-11-29 The hardened system of soft rock tunnel country rock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721631877.6U CN208057122U (en) 2017-11-29 2017-11-29 The hardened system of soft rock tunnel country rock

Publications (1)

Publication Number Publication Date
CN208057122U true CN208057122U (en) 2018-11-06

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112065502A (en) * 2020-09-18 2020-12-11 兰州理工大学 Method for rapid drainage consolidation in water-rich loess tunnel excavation process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112065502A (en) * 2020-09-18 2020-12-11 兰州理工大学 Method for rapid drainage consolidation in water-rich loess tunnel excavation process

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181106

Termination date: 20191129

CF01 Termination of patent right due to non-payment of annual fee