CN109653765A - The warehouse separated type lining cutting pressure relief support structure and method of one kind of multiple fillers - Google Patents
The warehouse separated type lining cutting pressure relief support structure and method of one kind of multiple fillers Download PDFInfo
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- CN109653765A CN109653765A CN201910111530.6A CN201910111530A CN109653765A CN 109653765 A CN109653765 A CN 109653765A CN 201910111530 A CN201910111530 A CN 201910111530A CN 109653765 A CN109653765 A CN 109653765A
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- warehouse
- carcass
- country rock
- rock
- water
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- 238000005520 cutting process Methods 0.000 title claims abstract description 23
- 239000000945 filler Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title description 6
- 239000011435 rock Substances 0.000 claims abstract description 89
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 239000004033 plastic Substances 0.000 claims abstract description 24
- 230000008093 supporting effect Effects 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000010410 layer Substances 0.000 claims description 21
- 238000009412 basement excavation Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 8
- 238000004088 simulation Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 240000002853 Nelumbo nucifera Species 0.000 claims description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 3
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000007774 longterm Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000036299 sexual function Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
Abstract
The present invention provides the warehouse separated type lining cutting pressure relief support structures and construction method of one kind of multiple fillers, it includes complete country rock, it is mingled with plastic zone of surrounding rock between the complete country rock, the inner sidewall of the complete country rock and plastic zone of surrounding rock is provided with two linings, and is provided with gap therebetween；The inner space is provided with clast warehouse on the inner sidewall of complete country rock and plastic zone of surrounding rock, and the clast warehouse is internally provided with liquid crumb layer, and the gap setting between the clast warehouse and two linings has haydite warehouse and water-filling carcass.According to the stress condition and rock mass deformation of tunnel different location, supporting is carried out by stack manner before and after such as top to bottom, left and right, front and rear with the warehouse equipped with different fillings, while supporting country rock, if rock mass deformation, which occurs, to carry out discharge degree using the mobility of warehouse inner stuffing, the advantage of different materials is combined and is utilized to the maximum extent.
Description
Technical field
Present invention is generally directed to the liner supporting of tunnel and deformation release and construction methods, realize while supporting tunnel
It can be suitable for all kinds of tunnels and canal according to the stress condition of tunnel different location and rock mass deformation with carrying out safety economy release
Road etc. needs the structure of supporting.
Background technique
Traditional lining cutting is the permanent supporting construction built in materials such as tunnel trunk periphery armored concrete.In order to
It prevents surrouding rock deformation from can collapse, generallys use the measure of gunning concrete and steel reinforcement support, once rock mass deforms, power is just passed
It is delivered to hole wall, increases the risk that hole wall destroys, may cause huge loss and danger, and reinforcing bar etc. if having subtle destruction just
Material price is higher, to put into more costs using steel reinforcement support on a large scale.
Summary of the invention
Technical problem to be solved by the invention is to provide the warehouse separated type lining cutting pressure relief support structures of one kind of multiple fillers
And construction method, liner supporting and deformation release of the structure mainly for tunnel, according to the stress condition of tunnel different location
And rock mass deformation, supporting is carried out by stack manner before and after such as top to bottom, left and right, front and rear with the warehouse equipped with different fillings, is being supported
It, can be using the mobility of warehouse inner stuffing progress discharge degree, to greatest extent if rock mass deformation occurs while country rock
Ground combines and is utilized the advantage of different materials, even if warehouse destruction in part nor affects on overall effect, filler is full of warehouse
Between gap can reinforce the supporting effect of lining cutting again, not only improved safety coefficient but also reduced input cost.
In order to realize above-mentioned technical characteristic, the object of the present invention is achieved like this: one kind of multiple fillers divide storehouse
Formula lining cutting pressure relief support structure, it includes complete country rock, and plastic zone of surrounding rock is mingled between the complete country rock, described completely to enclose
Rock and the inner sidewall of plastic zone of surrounding rock are provided with two linings, and are provided with gap therebetween；The inner space is close to complete
Clast warehouse is provided on country rock and the inner sidewall of plastic zone of surrounding rock, the clast warehouse is internally provided with liquid clast
Layer, the gap setting between the clast warehouse and two linings have haydite warehouse and water-filling carcass.
The clast warehouse includes parcel bag, and the parcel bag forms closed parcel bag using flexible utricule sewing；
The outer cover of the parcel bag is equipped with geotechnological cloth bag, and it is broken to be filled with the discarded liquid generated by tunnel excavation inside the parcel bag
Leftover.
The water-filling carcass is made of rubber tyre body flexible, and fluid in carcass, institute are filled inside the rubber tyre body
The one end for stating water-filling carcass is connected with automatic relief valve, and the other end is equipped with pressure gauge.
The surface layer of the water-filling carcass is cased with one layer of carcass protective layer, is connected with drainpipe on the water-filling carcass.
Prearrangement of deformation amount cavity, the reserved change are provided between the complete country rock and plastic zone of surrounding rock and the gap of two linings
It is provided with several liquid wrappage warehouses in shape cavity, and forms a laminar flow matter buffer layer.
Release/injected hole/drainpipe often is opened up away from a distance on two lining structure of each wrappage warehouse periphery.
Multiple pressure sensors are provided between two lining and liquid buffer layer.
The construction method of the warehouse separated type lining cutting pressure relief support structure of a variety of fillers described in any one, it includes following step
It is rapid:
Step1: material prepares: preparing pressure sensor, automatic relief valve, pressure gauge, rubber tyre body, steel arch-shelf, discarded liquid
Fluid in clast, haydite and carcass；
Step2: production filling package: selected discarded liquid clast is fitted into flexible parcel bag, and wraps up geotextiles outside
Bag completes clast warehouse；One layer of carcass protective layer is wrapped outside water-filling carcass, and filling tire is filled with from carcass fluid input port
Internal fluid, and guarantee that air-tightness is good；After water-filling carcass is connect with automatic relief valve and drainpipe, automatically unloading is set
The threshold value of valve, into rubber tyre body, water-filling carcass is completed in water filling；Selected haydite is put into geotechnological cloth bag and is fastened, haydite storehouse is completed
Body；
Step3: according to Rock Nature, carrying out numerical simulation and determine country rock long-term creep deflection, and country rock excavation is carried out to it and is unloaded
Tunnel force simulation is analyzed after lotus, is obtained plastic zone of surrounding rock and complete country rock distribution situation after tunnel excavation, is determined each warehouse
Installation site；
Step4: according to the actual situation, suitable digging mode is selected to carry out tunnel excavation；The point being greater than at 3cm is cleared up on country rock
Angle；
Step5: after the completion of tunnel excavation, different warehouse disposing ways is selected according to the concrete condition in tunnel, for country rock
Plastic zone distorting load large area, i.e., short anchor is squeezed into the designated position that need to install wrappage warehouse, for clast to be fixedly mounted
Object warehouse and haydite warehouse lay the lesser water-filling carcass of itself bearing capacity in the lesser complete country rock of stress；
Step6: all liquid wrappage warehouses are fixed in advance at the top of two lining structures, warehouse and two lined steel arches are pacified simultaneously
Dress after steel arch-shelf is installed, monitors steel arch-shelf ess-strain situation；Steel arch-shelf lower end sets up lock foot anchoring stock using buried,
To be weldingly connected；Steel arch-shelf and lining cutting liquid inclusion enclave support naturally, carry out supporting to country rock, pour coagulation using high-pressure slip-casting
Soil forms secondary lining；
Step7: pressure change in monitoring water-filling carcass, when carcass Compression is greater than P3, wherein P3 is automatic relief valve threshold value,
Automatic release water body removal pressure, until load is stablized in P3.
The method have the advantages that:
1, the present invention innovatively proposes that the warehouse separated type lining cutting pressure relief support structure of one kind of multiple fillers, the structure are to consider
At deformation allowance between tunnel surrounding and two linings, several different types of warehouses are filled, form the slow of liquid filler
Protective layer is rushed, uniform supporting construction stress can be made, so that two lining uniform forces, it is significant to solve liner structure discontinuity
Problem.
2, the proposed by the invention specified support reaction for dividing storehouse supporting construction that can provide to country rock, and its size can be by
Automatic relief valve is adjusted according to Practical Project situation.
3, the supporting power for dividing storehouse supporting construction that can specify during Rock Creep to rock mass offer proposed by the invention,
To significantly reduce the expansion of its plastic zone, so that the final creep compliance of country rock is greatly reduced；
4, the present invention can be mounted directly two lining of liquid filling layer application after tunnel excavation, cancel and just serve as a contrast suspension roof support, and reduction is just
The disturbance to the country rock of tunnel is served as a contrast, free face displacement is can inhibit and plastic zone is developed to country rock deep.
5, the present invention can reduce tunnel support construction technology, greatly save the construction period, reduce just lined steel muscle, concrete and use
Amount and arch area of section can save 30% ~ 40% related rolled steel dosage, reduce whole construction cost.
6, the present invention is arranged using the warehouse of a variety of fillers by different stack manners, can be according to country rock in tunnel
The stress condition of different location is flexibly arranged in pairs or groups, and safety coefficient is improved.
7, the present invention is independently arranged using the warehouse of a variety of fillers, if there is a situation where individual warehouses to destroy, to it
He has little effect warehouse, and overall stability is strong, improves Stability of Tunnels safety coefficient.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is that the present invention relates to a kind of warehouse stacked on top schematic diagrams of technology.
Fig. 2 is a kind of warehouse of technology involved in the present invention or so stack manner schematic diagram.
Fig. 3 is a kind of warehouse front and back stack manner schematic diagram of technology involved in the present invention.
Fig. 4 is clast warehouse schematic diagram according to the present invention.
Fig. 5 is haydite warehouse schematic diagram according to the present invention.
Fig. 6 is water-filling carcass schematic diagram according to the present invention.
In figure: complete country rock 1, plastic zone of surrounding rock 2, liquid crumb layer 3, clast warehouse 4, water-filling carcass 5, automatically unloading
Valve 6, pressure gauge 7, drainpipe 8, carcass protective layer 9, haydite warehouse 10, release/injected hole/drainpipe 11, two linings 12, pressure pass
Sensor 13, liquid buffer layer 14, parcel bag 15, geotechnological cloth bag 16, rubber tyre body 17, fluid 18 in carcass, conducting wire 19, haydite
20。
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
Embodiment 1:
Referring to Fig. 1-6, the warehouse separated type lining cutting pressure relief support structure of one kind of multiple fillers, it includes complete country rock 1, described complete
It is mingled with plastic zone of surrounding rock 2 between country rock 1, the inner sidewall of the complete country rock 1 and plastic zone of surrounding rock 2 is provided with two linings 12, and
It is provided with gap therebetween；The inner space is provided with broken on the inner sidewall of complete country rock 1 and plastic zone of surrounding rock 2
Leftover warehouse 4, the clast warehouse 4 is internally provided with liquid crumb layer 3, between the clast warehouse 4 and two linings 12
Gap setting has haydite warehouse 10 and water-filling carcass 5.By using above-mentioned lining cutting pressure relief support structure, can to specific region into
The targeted supporting of row, liquid crumb layer 3 mutually independent can provide specified branch instead to corresponding region in surrouding rock deformation early period
Power, when surrouding rock deformation load is larger, each warehouse can removal country rock load in several ways, pass through liquid in warehouse first
Charges squeeze flowing to two sides and consume a part of country rock load；Furthermore pressure is unloaded by automatic pressure relief valve discharge water body in carcass
It removes.
Further, each clast warehouse 4, haydite warehouse 10 and water-filling carcass 5 each can work independently and be independent of each other,
If there is a situation where individual 5 warehouses of water-filling carcass to destroy, other warehouse supporting effects are had little effect, overall stability
By force, Stability of Tunnels safety coefficient is improved.
Further, the engineering waste material that the clast warehouse 4 filling is excavated, its object is to it with some strength
Support action can be provided for tunnel.
Further, the clast warehouse 4 includes parcel bag 15, and the parcel bag 15 is sewed using flexible utricule
Closed parcel bag；The outer cover of the parcel bag 15 is equipped with geotechnological cloth bag 16, is filled with inside the parcel bag 15 by tunnel
Excavate the discarded liquid clast generated.The warehouse using a variety of fillers, is arranged by different stack manners,
It can flexibly be arranged in pairs or groups according to the stress condition of country rock different location in tunnel, improve safety coefficient.The clast warehouse
Outermost layer is wrapped up with geotechnological cloth bag 16, and its object is to prevent in country rock, there are sharp objects to puncture flexible pouch.
Further, point storehouse supporting construction proposed can give country rock to provide specified support reaction, and its size can be by
Automatic relief valve is adjusted according to Practical Project situation.
Further, the preset automatic relief valve, its object is to work as water-filling carcass pressure, when reaching threshold value
A part of water being automatically drained out in carcass, thus removal load.
Further, the water-filling carcass 5 is made of rubber tyre body 17 flexible, is filled inside the rubber tyre body 17
Fluid 18 in carcass, one end of the water-filling carcass 5 are connected with automatic relief valve 6, and the other end is equipped with pressure gauge 7.Its purpose
It is to transmit package load to other positions of tunnel, avoids Local Loads excessive.
Further, the surface layer of the water-filling carcass 5 is cased with one layer of carcass protective layer 9, is connected on the water-filling carcass 5
Drainpipe 8.
Further, prearrangement of deformation amount chamber is provided between the complete country rock 1 and plastic zone of surrounding rock 2 and the gap of two linings 12
Body is provided with several liquid wrappage warehouses in the prearrangement of deformation amount cavity, and forms a laminar flow matter buffer layer 14.
Further, on two lining structure of each wrappage warehouse periphery often away from a distance open up release/injected hole/
Drainpipe 11.
Further, multiple pressure sensors 13 are provided between two lining 12 and liquid buffer layer 14.By described
Pressure sensor 13.Pass through
Further, in later period monitoring process, if it find that carcass supporting power is too small, filler can be supplemented to carcass, improved
Pressure in tire, and adjust the threshold value of pressure-relief valve.
Further, described to use haydite warehouse, its object is to haydites to have some strength, can provide branch for tunnel
Shield effect, when load is excessive, haydite can be crushed, and haydite forces while being also the process of removal load, and haydite quality
Gently, easy to carry.
Further, release/injected hole/drainpipe 11 of the setting, its object is to connect water-filling carcass for allowing
Drainpipe draining, and the later period pass through the hole high-pressure slip-casting.
Embodiment 2:
The construction method of the warehouse separated type lining cutting pressure relief support structure of a variety of fillers described in any one, it the following steps are included:
Step1: material prepares: preparing pressure sensor 13, automatic relief valve 6, pressure gauge 7, rubber tyre body 17, steel arch-shelf, gives up
Fluid 18 in abandoned stream matter clast, haydite and carcass；
Step2: production filling package: selected discarded liquid clast is fitted into flexible parcel bag 15, and package geotechnique outside
Cloth bag 16 completes clast warehouse 4；One layer of carcass protective layer 9 is wrapped outside water-filling carcass 5, is filled from carcass fluid input port
Enter and fill fluid 18 in carcass, and guarantees that air-tightness is good；After water-filling carcass 5 is connect with automatic relief valve 6 and drainpipe 8,
The threshold value for setting automatic relief valve 6, into rubber tyre body 17, water-filling carcass is completed in water filling；Selected haydite is put into geotechnological cloth bag
It is fastened in 16, completes haydite warehouse 10；
Step3: according to Rock Nature, carrying out numerical simulation and determine country rock long-term creep deflection, and country rock excavation is carried out to it and is unloaded
Tunnel force simulation is analyzed after lotus, is obtained 1 distribution situation of plastic zone of surrounding rock 2 and complete country rock after tunnel excavation, is determined each storehouse
The installation site of body；
Step4: according to the actual situation, suitable digging mode is selected to carry out tunnel excavation；The point being greater than at 3cm is cleared up on country rock
Angle；
Step5: after the completion of tunnel excavation, different warehouse disposing ways is selected according to the concrete condition in tunnel, for country rock
2 distorting load large area of plastic zone, i.e., short anchor is squeezed into the designated position that need to install wrappage warehouse, for clast to be fixedly mounted
Object warehouse 4 and haydite warehouse lay the lesser water-filling carcass 5 of itself bearing capacity in the lesser complete country rock of stress；
Step6: all liquid wrappage warehouses are fixed in advance at the top of two lining structures, warehouse and two lined steel arches are pacified simultaneously
Dress after steel arch-shelf is installed, monitors steel arch-shelf ess-strain situation；Steel arch-shelf lower end sets up lock foot anchoring stock using buried,
To be weldingly connected；Steel arch-shelf and lining cutting liquid inclusion enclave support naturally, carry out supporting to country rock, pour coagulation using high-pressure slip-casting
Soil forms secondary lining；
Step7: pressure change in monitoring water-filling carcass 5, when carcass Compression is greater than P3, wherein P3 is automatic relief valve threshold
Value, it is automatic to discharge water body removal pressure, until load is stablized in P3.
The operation principle of the present invention is that:
Technology is that several liquid wrappage warehouses, shape is arranged at the deformation allowance considered between tunnel surrounding and two linings
At a laminar flow matter buffer layer, this is special using the preferable mobility of liquid charges, compressibility, antidetonation and good isolation sexual function
Point, in the deformation process of country rock, clast warehouse and haydite warehouse primarily serve support action, and water-filling carcass is played country rock
The effect of pressure equalization prevents excessive two lining of damage of local pressure.When country rock, which wraps up clast, to be squeezed and deformed, power is transferred to
Water-filling carcass, when water-filling carcass receiving pressure reaches threshold value, water can be discharged automatically for relief valve, achieve the purpose that release.Haydite
Warehouse initial stage plays support action, and haydite destroys when pressure is excessive, while also functioning to release purpose.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this hair
Bright protection scope should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (8)
1. the warehouse separated type lining cutting pressure relief support structure of one kind of multiple fillers, it is characterised in that: it includes complete country rock (1), institute
It states and is mingled between complete country rock (1) plastic zone of surrounding rock (2), the inner sidewall of the complete country rock (1) and plastic zone of surrounding rock (2) is set
Two linings (12) are equipped with, and are provided with gap therebetween；The inner space is close to complete country rock (1) and plastic zone of surrounding rock
(2) it is provided on inner sidewall clast warehouse (4), the clast warehouse (4) is internally provided with liquid crumb layer (3), institute
The gap setting stated between clast warehouse (4) and two linings (12) has haydite warehouse (10) and water-filling carcass (5).
2. the warehouse separated type lining cutting pressure relief support structure of one kind of multiple fillers according to claim 1, it is characterised in that: described
Clast warehouse (4) includes parcel bag (15), and the parcel bag (15) forms closed parcel bag using flexible utricule sewing；Institute
The outer cover for stating parcel bag (15) is equipped with geotechnological cloth bag (16), filled with being generated by tunnel excavation inside the parcel bag (15)
Discarded liquid clast.
3. the warehouse separated type lining cutting pressure relief support structure of one kind of multiple fillers according to claim 1, it is characterised in that: described
Water-filling carcass (5) is made of rubber tyre body flexible (17), fluid (18) in filling carcass inside the rubber tyre body (17),
One end of the water-filling carcass (5) is connected with automatic relief valve (6), and the other end is equipped with pressure gauge (7).
4. according to claim 1 or the warehouse separated type lining cutting pressure relief support structure of 3 one kind of multiple fillers, it is characterised in that:
The surface layer of the water-filling carcass (5) is cased with one layer of carcass protective layer (9), is connected with drainpipe (8) on the water-filling carcass (5).
5. the warehouse separated type lining cutting pressure relief support structure of one kind of multiple fillers according to claim 1, it is characterised in that: described
Prearrangement of deformation amount cavity, the prearrangement of deformation amount are provided between complete country rock (1) and plastic zone of surrounding rock (2) and the gap of two linings (12)
It is provided with several liquid wrappage warehouses in cavity, and forms a laminar flow matter buffer layer (14).
6. the warehouse separated type lining cutting pressure relief support structure of one kind of multiple fillers according to claim 5, it is characterised in that: described
Release/injected hole/drainpipe (11) often is opened up away from a distance on two lining structure of each wrappage warehouse periphery.
7. the warehouse separated type lining cutting pressure relief support structure of one kind of multiple fillers according to claim 5, it is characterised in that: described
Multiple pressure sensors (13) are provided between two linings (12) and liquid buffer layer (14).
8. the construction method of the warehouse separated type lining cutting pressure relief support structure of a variety of fillers described in claim 1-7 any one,
Be characterized in that, it the following steps are included:
Step1: material prepares: preparing pressure sensor (13), automatic relief valve (6), pressure gauge (7), rubber tyre body (17), steel
Fluid (18) in arch, discarded liquid clast, haydite and carcass；
Step2: production filling package: selected discarded liquid clast is fitted into flexible parcel bag (15), and package soil outside
Work cloth bag (16) is completed clast warehouse (4)；One layer of carcass protective layer (9) is wrapped outside water-filling carcass (5), from carcass fluid
It is filled with fluid (18) in filling carcass at input port, and guarantees that air-tightness is good；By water-filling carcass (5) and automatic relief valve (6)
After drainpipe (8) connection, the threshold value of automatic relief valve (6) is set, water-filling carcass is completed in water filling into rubber tyre body (17)；
Selected haydite is put into geotechnological cloth bag (16) and is fastened, is completed haydite warehouse (10)；
Step3: according to Rock Nature, carrying out numerical simulation and determine country rock long-term creep deflection, and country rock excavation is carried out to it and is unloaded
Tunnel force simulation is analyzed after lotus, obtains plastic zone of surrounding rock (2) and complete country rock (1) distribution situation after tunnel excavation, is determined every
The installation site of a warehouse；
Step4: according to the actual situation, suitable digging mode is selected to carry out tunnel excavation；The point being greater than at 3cm is cleared up on country rock
Angle；
Step5: after the completion of tunnel excavation, different warehouse disposing ways is selected according to the concrete condition in tunnel, for country rock
Plastic zone (2) distorting load large area, i.e., short anchor is squeezed into the designated position that need to install wrappage warehouse, broken for being fixedly mounted
Leftover warehouse (4) and haydite warehouse lay the lesser water-filling carcass (5) of itself bearing capacity in the lesser complete country rock of stress；
Step6: all liquid wrappage warehouses are fixed in advance at the top of two lining structures, warehouse and two lined steel arches are pacified simultaneously
Dress after steel arch-shelf is installed, monitors steel arch-shelf ess-strain situation；Steel arch-shelf lower end sets up lock foot anchoring stock using buried,
To be weldingly connected；Steel arch-shelf and lining cutting liquid inclusion enclave support naturally, carry out supporting to country rock, pour coagulation using high-pressure slip-casting
Soil forms secondary lining；
Step7: monitoring water-filling carcass (5) interior pressure change, when carcass Compression is greater than P3, wherein P3 is automatic relief valve threshold
Value, it is automatic to discharge water body removal pressure, until load is stablized in P3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111530.6A CN109653765B (en) | 2019-02-12 | 2019-02-12 | Warehouse-separated lining pressure relief supporting structure and method for various fillers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111530.6A CN109653765B (en) | 2019-02-12 | 2019-02-12 | Warehouse-separated lining pressure relief supporting structure and method for various fillers |
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| Publication Number | Publication Date |
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| CN109653765A true CN109653765A (en) | 2019-04-19 |
| CN109653765B CN109653765B (en) | 2020-10-09 |
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| CN201910111530.6A Active CN109653765B (en) | 2019-02-12 | 2019-02-12 | Warehouse-separated lining pressure relief supporting structure and method for various fillers |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094215A (en) * | 2019-05-30 | 2019-08-06 | 三峡大学 | Non-newtonian fluid liner supporting structure and construction method |
| CN110231115A (en) * | 2019-06-20 | 2019-09-13 | 三峡大学 | Simulate the device and method of plastic zone of surrounding rock development and liquid liner structure mechanical response under different supporting power |
| CN110318773A (en) * | 2019-06-21 | 2019-10-11 | 三峡大学 | The gate-type liquid lining cutting country rock pressure relief device and construction method of regulatable magnetic force |
| CN110359954A (en) * | 2019-08-02 | 2019-10-22 | 西南交通大学 | One kind passing through creep faults tunnel particle-filled layers error resilience structure and its construction method |
| CN111022077A (en) * | 2019-12-25 | 2020-04-17 | 三峡大学 | Impact-resistant fluid filling lining supporting structure and construction method |
| CN112647970A (en) * | 2020-12-28 | 2021-04-13 | 中国科学院武汉岩土力学研究所 | Polyurethane large-deformation numerical simulation method for tunnel buffer support |
| CN112963169A (en) * | 2021-02-25 | 2021-06-15 | 西华大学 | Tunnel excavation large deformation strong support device |
| CN113982631A (en) * | 2021-10-29 | 2022-01-28 | 成都未来智隧科技有限公司 | Tunnel supporting structure and tunnel supporting method |
| CN113982627A (en) * | 2021-10-29 | 2022-01-28 | 成都未来智隧科技有限公司 | Tunnel supporting method and tunnel supporting structure |
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| CN110094215A (en) * | 2019-05-30 | 2019-08-06 | 三峡大学 | Non-newtonian fluid liner supporting structure and construction method |
| CN110231115A (en) * | 2019-06-20 | 2019-09-13 | 三峡大学 | Simulate the device and method of plastic zone of surrounding rock development and liquid liner structure mechanical response under different supporting power |
| CN110318773A (en) * | 2019-06-21 | 2019-10-11 | 三峡大学 | The gate-type liquid lining cutting country rock pressure relief device and construction method of regulatable magnetic force |
| CN110359954A (en) * | 2019-08-02 | 2019-10-22 | 西南交通大学 | One kind passing through creep faults tunnel particle-filled layers error resilience structure and its construction method |
| CN111022077A (en) * | 2019-12-25 | 2020-04-17 | 三峡大学 | Impact-resistant fluid filling lining supporting structure and construction method |
| CN112647970A (en) * | 2020-12-28 | 2021-04-13 | 中国科学院武汉岩土力学研究所 | Polyurethane large-deformation numerical simulation method for tunnel buffer support |
| CN112647970B (en) * | 2020-12-28 | 2022-04-26 | 中国科学院武汉岩土力学研究所 | Polyurethane large-deformation numerical simulation method for tunnel buffer support |
| CN112963169A (en) * | 2021-02-25 | 2021-06-15 | 西华大学 | Tunnel excavation large deformation strong support device |
| CN113982631A (en) * | 2021-10-29 | 2022-01-28 | 成都未来智隧科技有限公司 | Tunnel supporting structure and tunnel supporting method |
| CN113982627A (en) * | 2021-10-29 | 2022-01-28 | 成都未来智隧科技有限公司 | Tunnel supporting method and tunnel supporting structure |
| CN113982627B (en) * | 2021-10-29 | 2024-04-05 | 成都未来智隧科技有限公司 | Tunnel supporting method and tunnel supporting structure |
| CN113982631B (en) * | 2021-10-29 | 2024-04-05 | 成都未来智隧科技有限公司 | Tunnel supporting structure and tunnel supporting method |
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Application publication date: 20190419 Assignee: Hubei Hongzhuo Architectural Design Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980043461 Denomination of invention: A segmented lining pressure relief support structure and method with multiple fillers Granted publication date: 20201009 License type: Exclusive License Record date: 20231019 |
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