CN103912289A - Tunnel grouting model test sequential segmented grouting device and using method thereof - Google Patents
Tunnel grouting model test sequential segmented grouting device and using method thereof Download PDFInfo
- Publication number
- CN103912289A CN103912289A CN201410179339.2A CN201410179339A CN103912289A CN 103912289 A CN103912289 A CN 103912289A CN 201410179339 A CN201410179339 A CN 201410179339A CN 103912289 A CN103912289 A CN 103912289A
- Authority
- CN
- China
- Prior art keywords
- grouting
- slip casting
- tunnel
- pipe
- pvc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel grouting model test sequential segmented grouting device. The tunnel grouting model test sequential segmented grouting device comprises two pairs of segmented grouting devices which are arranged in a front and rear mode, wherein one pair of the segmented grouting devices corresponds to a surrounding rock grouting reinforcement area after the excavation of the tunnel, and the other pair of the segmented grouting devices corresponds to an advanced curtain grouting reinforcement area before the excavation of the tunnel; each segmented grouting device comprises a vertical grouting pipe, the grouting pipe is connected with three grouting hoses which correspond to the surrounding rock grouting reinforcement area after the excavation of the tunnel or the advanced curtain grouting reinforcement area before the excavation of the tunnel respectively in parallel, a grouting divider is arranged in the grouting pipe between every two grouting hoses, and an inlet of the grouting pipe is connected with a grouting pump. The invention further discloses a using method of the device. According to the tunnel grouting model test sequential segmented grouting device and the using method thereof, surrounding rock grouting reinforcement after the excavation of the tunnel and advanced curtain grouting reinforcement can be achieved, even grouting reinforcement of the tunnel surrounding rock can be achieved with basically no influence on the surrounding rock stress, cost is low, and construction is simple.
Description
Technical field
The present invention relates to a kind of slip casting model testing technology, especially a kind of tunnel grouting model testing is divided order sublevel grouting device and using method thereof.
Background technology
At present, in weak Fu Shui stratum, when tunneling, often there is the problems such as surrouding rock deformation is excessive, water percolating capacity is large, the prominent mud accident of gushing water even also likely occurs.The weak rich water country rock of main employing grouting method Strengthening Tunnel is so that tunnel passes through this stratum smoothly at present.Tunnel grouting model testing can be studied Diffusion Law, analysis grouting consolidation effect and the grouting and reinforcing rock stability of grouting serous fluid in tunnel surrounding, is new problem and research direction during tunnel safety is built.Tunnel grouting model testing, particularly curtain-grouting model testing, the curtain hole-drilling system that before being limited by, model testing is used does not have research, and test is difficult to carry out.
In tunnel grouting model testing, require the Grouting Pipe of arranging not affect the Stress relieving of surrounding rocks process in tunnel excavation process, and can realize Strengthening Tunnel peripheral rock equably.Current Grouting Pipe method for arranging cannot meet this requirement.If the method for arranging of pre-buried hard Grouting Pipe before employing tunnel excavation, the Grouting Pipe of hard can be born part surrouding rock stress in tunnel excavation process, hinders surrouding rock deformation, has a strong impact on tunnel excavation experimental result.If insert the method for hard Grouting Pipe after employing tunnel excavation, this method can very big disturbance tunnel surrounding again, changes surrouding rock stress state.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of tunnel grouting model testing to divide order sublevel grouting device and using method thereof, its wall rock grouting that can realize after tunnel excavation is reinforced the leading curtain-grouting reinforcing that can realize again before tunnel excavation, in the situation that substantially not affecting force-bearing of surrounding rock mass, realize to tunnel surrounding grouting and reinforcing equably the advantages such as that this device has is with low cost, simple structure.
For achieving the above object, the present invention adopts following technical proposals:
A kind of tunnel grouting model testing is divided order sublevel grouting device, the segmenting slip casting device arranging before and after comprising two pairs, the wherein wall rock grouting reinforcing area of a pair of segmenting slip casting device after corresponding to tunnel excavation, another is the leading curtain-grouting reinforcing area before corresponding to tunnel excavation to segmenting slip casting device; Each segmenting slip casting device all comprises a vertical Grouting Pipe, in Grouting Pipe, be parallel with three slip casting flexible pipes corresponding with leading curtain-grouting reinforcing area before wall rock grouting reinforcing area or tunnel excavation after tunnel excavation respectively, in Grouting Pipe between every two slip casting flexible pipes, be provided with a slip casting separator, the import of Grouting Pipe is connected with grouting pump;
Described slip casting separator is the thin rounded flakes of marginal belt sawtooth, the diameter of thin rounded flakes is identical with the external diameter of Grouting Pipe, to after the bending of thin slice sawtooth, be inserted in Grouting Pipe end, and utilize bonding agent that both are adhesively fixed, the Grouting Pipe of bonding slip casting separator is connected by joint with the Grouting Pipe of non-caked slip casting separator, thus fixing slip casting separator.
Described Grouting Pipe is PVC material, and Grouting Pipe lower port is connected with steel fiber tube by PVC box cupling, and steel fiber tube passes base plate and is welded to connect with base plate.
Described steel fiber tube lower end is connected with grouting pipeline by movable joint, and grouting pipeline is connected with grouting pump, and grouting pipeline is provided with valve.
Described thin rounded flakes is that thickness is the aluminum sheet of 0.23mm, and this aluminum sheet can be born the grouting pressure of 1MPa, meets the requirement of model testing to grouting pressure completely.
Described slip casting flexible pipe adopts the plastic pipe of softwood matter to make, and on flexible pipe, interval arranges the slurry mouthful that overflows, and slip casting flexible pipe is connected by PVC reducing with Grouting Pipe.
Two relative slip casting flexible pipes are arranged on same straight line, and totally 12 slip casting flexible pipes of the segmenting slip casting device arranging before and after two pairs is positive six prisms and arranges centered by tunnel.
Tunnel grouting model testing is divided a using method for the sublevel grouting device of arranging in order, and step is as follows:
Step 1: make slip casting separator, aluminum sheet is cut into the thin rounded flakes with sawtooth, the diameter of thin rounded flakes is identical with the external diameter of PVC Grouting Pipe, to after the bending of aluminum sheet sawtooth, be inserted in PVC Grouting Pipe end, and utilize PVC bonding agent that both are adhesively fixed, the PVC Grouting Pipe of bonding slip casting separator and the PVC Grouting Pipe of non-caked slip casting separator are connected by PVC joint, thus fixing slip casting separator;
Step 2: the number that requires to determine segmenting slip casting device according to experimental design, if the wall rock grouting reinforcing of only carrying out the leading curtain-grouting before tunnel excavation or only carry out after tunnel excavation needs 2 segmenting slip casting devices, need 4 segmenting slip casting devices if carry out two kinds of grouting and reinforcings simultaneously; Require to determine PVC Grouting Pipe length and slip casting hose length according to experimental design; And slip casting separator, PVC Grouting Pipe and slip casting flexible pipe are assembled into segmenting slip casting device;
Step 3: segmenting slip casting device is connected with the steel fiber tube on pattern board by PVC box cupling, and carries out filler
Step 4: when tunnel excavation to half, according to requirement of experiment, one of them segmenting slip casting device is carried out to slip casting, connect relevant grouting pipeline, open grouting pump and valve and carry out slip casting, finish slip casting in the time reaching slip casting ending standard;
Step 5: after slurry consolidation, take movable joint apart and destroy slip casting separator by long drill bit, rinse afterwards with press water, join dependency pipeline carries out slip casting next time, until slip casting for the third time stops slip casting after completing;
Step 6: when segmenting slip casting device has carried out after three slip casting, according to requirement of experiment, next segmenting slip casting device being carried out to slip casting, each segmenting slip casting device slip casting 3 times;
Step 7: slip casting completes, carries out form removal work.
The present invention includes 4 segmenting slip casting devices, segmenting slip casting device is made up of PVC Grouting Pipe, slip casting separator, slip casting flexible pipe and other PVC member, and all PVC members all use PVC bonding adhesive to connect.Wherein a pair of segmenting slip casting device is reinforced for the wall rock grouting after tunnel excavation, and another is reinforced for the leading curtain-grouting before tunnel excavation segmenting slip casting device.Each segmenting slip casting device inside arranges 2 slip casting separators and 3 slip casting flexible pipes.Segmenting slip casting device is connected with steel fiber tube by PVC box cupling, steel fiber tube pass base plate and with base plate by being welded to connect.
The material of slip casting separator is common aluminum sheet, be shaped as the thin rounded flakes with sawtooth, the diameter of thin rounded flakes is identical with the external diameter of PVC Grouting Pipe, to after the bending of aluminum sheet sawtooth, be inserted in PVC Grouting Pipe end, and utilize PVC bonding agent that both are adhesively fixed, the PVC Grouting Pipe of bonding slip casting separator and the PVC Grouting Pipe of non-caked slip casting separator are connected by PVC joint, thus fixing slip casting separator.In slip casting process, slip casting separator can bear grouting pressure and keep stable, plays the effect of separating slip casting, but utilizes long drill bit can easily destroy aluminum sheet.The maximum grouting pressure that slip casting separator can bear is relevant to the thickness of aluminum sheet, and the aluminum sheet that 0.23mm is thick can be born the grouting pressure of 1MPa, meets the requirement of model testing to grouting pressure completely.
Slip casting flexible pipe adopts the plastic pipe of softwood matter to make, and on flexible pipe, interval arranges the slurry mouthful that overflows, and slip casting flexible pipe is connected by PVC reducing with PVC Grouting Pipe.Slip casting flexible pipe does not have enabling capabilities, and the Stress relieving of surrounding rocks process in tunnel excavation process is not impacted.Every two slip casting flexible pipes are arranged on same straight line, 12 slip casting flexible pipes are positive six prisms and arrange centered by tunnel, can, by regulating PVC Grouting Pipe length d 2, d3 to change the spacing of adjacent slip casting flexible pipe, change tunnel grouting segment length by adjusting slip casting hose length d1.By increasing slip casting separator number and the slip casting flexible pipe number of each segmenting slip casting device, can realize encrypting and arrange slip casting flexible pipe.
In slip casting process, according to requirement of experiment, one of them segmenting slip casting device is carried out to slip casting, slurries cannot, by slip casting separator, can only enter into stratum by the slip casting flexible pipe before slip casting separator, after slurry consolidation, noted the slip casting flexible pipe of slurry also by shutoff.Utilize long drill bit to destroy slip casting separator carry out next section of slip casting, the slurries never slip casting flexible pipe before destroyed slip casting separator enter stratum, and twice slip casting enters respectively adjacent stratum, thereby realizes segmenting slip casting from down to up.
The invention has the beneficial effects as follows, the wall rock grouting that technique scheme can realize after tunnel excavation is reinforced the leading curtain-grouting reinforcing that can realize again before tunnel excavation, in the situation that substantially not affecting force-bearing of surrounding rock mass, realize to tunnel surrounding grouting and reinforcing equably the advantages such as that this device has is with low cost, simple structure.
1, the leading curtain-grouting that can simultaneously realize before wall rock grouting reinforcing and the tunnel excavation after tunnel excavation is reinforced;
2, in tunnel excavation process, slip casting flexible pipe does not affect tunnel surrounding stress release and sends out process, realizes in the situation that not affecting force-bearing of surrounding rock mass the even grouting and reinforcing of country rock;
3, can be by regulating slip casting hose length to regulate slip casting segment length, by regulating segmenting slip casting device adjusted size Grouting Pipe number;
4, with low cost, the ease of assembly of PVC member used.
Brief description of the drawings
Fig. 1 is a point order sublevel grouting device elevation;
Fig. 2 is a point order sublevel grouting device lateral view;
Fig. 3 is a point order sublevel grouting device top view;
Fig. 4 (a), Fig. 4 (b) are respectively slip casting separator detail structure chart;
Fig. 5 is slip casting hose construction figure;
Fig. 6 is tunnel grouting model testing slip casting schematic diagram;
Fig. 7 is the wall rock grouting reinforcing area side view after tunnel excavation;
Fig. 8 is the leading curtain-grouting reinforcing area side view before tunnel excavation;
1---PVC joint, 2---PVC Grouting Pipe, 3---PVC elbow, 4---PVC threeway, 5---PVC reducing, 6---PVC box cupling, 7---slip casting separator, 8---aluminum sheet, 9---sawtooth, 10---tunnel, 11---steel fiber tube, 12---movable joint, 13---slip casting flexible pipe, 14---slurry mouthful overflows, 15---base plate, 16---grouting pump, 17---valve, 18---grouting pipeline, 19---the wall rock grouting reinforcing area after tunnel excavation, 20---leading curtain-grouting reinforcing area, 21---tunnel face, 22---tunneling profile, 23---model testing border.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As Figure 1-Figure 8, be applicable to point order sublevel grouting device of tunnel grouting model testing, it comprises 4 segmenting slip casting devices, segmenting slip casting device is made up of PVC Grouting Pipe 2, slip casting separator 7, slip casting flexible pipe 13 and other PVC member (as the 3 PVC threeways 4 of PVC elbow), and all PVC members all use PVC bonding adhesive to connect.Wherein a pair of segmenting slip casting device is for the wall rock grouting reinforcing area 19 after tunnel excavation, and another is used for the leading curtain-grouting reinforcing area 20 before tunnel excavation to segmenting slip casting device.Each segmenting slip casting device inside arranges 7 and 3 slip casting flexible pipes 13 of 2 slip casting separators.Segmenting slip casting device is connected with steel fiber tube 11 by PVC box cupling 6, and steel fiber tube 11 passes base plate 15 and is welded to connect with base plate 15.Steel fiber tube 11 lower ends are connected with grouting pipeline 18 by movable joint 12, and grouting pipeline 18 is connected with grouting pump 16, and grouting pipeline 18 is provided with valve 17.
The material of slip casting separator 7 is common aluminum sheet 8, be shaped as the thin rounded flakes with sawtooth 9, the diameter of thin rounded flakes is identical with the external diameter of PVC Grouting Pipe 2, after being bent, aluminum sheet sawtooth 9 is inserted in PVC Grouting Pipe 2 ends, and utilize PVC bonding agent that both are adhesively fixed, the PVC Grouting Pipe 2 of bonding slip casting separator 7 and the PVC Grouting Pipe 2 of non-caked slip casting separator 7 are connected by PVC joint 1, thus fixing slip casting separator 7.In slip casting process, slip casting separator 7 can bear grouting pressure and keep stable, plays the effect of separating slip casting, but utilizes long drill bit can easily destroy aluminum sheet 8.The maximum grouting pressure that slip casting separator 7 can bear is relevant to the thickness of aluminum sheet 8, and the aluminum sheet 8 that 0.23mm is thick can be born the grouting pressure of 1MPa, meets the requirement of model testing to grouting pressure completely.
Slip casting flexible pipe 13 adopts the plastic pipe of softwood matter to make, and on flexible pipe, interval arranges the slurry mouth 14 that overflows, and slip casting flexible pipe 13 is connected by PVC reducing 5 with PVC Grouting Pipe 2.Slip casting flexible pipe 13 does not have enabling capabilities, and the Stress relieving of surrounding rocks process in tunnel 10 digging processs is not impacted.Every two slip casting flexible pipes 13 are arranged on same straight line, 12 slip casting flexible pipes 13 are positive six prisms and arrange centered by tunnel 10, can, by regulating PVC Grouting Pipe 2 length d 2, d3 to change the spacing of adjacent slip casting flexible pipe 13, change tunnel grouting segment length by adjusting slip casting hose length d1.By increasing slip casting separator 7 numbers and the slip casting flexible pipe number of each segmenting slip casting device, can realize encrypting and arrange slip casting flexible pipe.
In slip casting process, according to requirement of experiment, one of them segmenting slip casting device is carried out to slip casting, slurries cannot, by slip casting separator 7, can only enter into stratum by the slip casting flexible pipe 13 before slip casting separator, after slurry consolidation, noted the slip casting flexible pipe 13 of slurry also by shutoff.Utilize long drill bit to destroy slip casting separator carry out next section of slip casting, the slurries never slip casting flexible pipe 13 before destroyed slip casting separator 7 enter stratum, and twice slip casting enters respectively adjacent stratum, thereby realizes segmenting slip casting from down to up.
As Figure 6-Figure 8, label 21 represents tunnel face, and 22 represent tunneling profile, and 23 represent model testing border.
Be applicable to point order sublevel grouting device using method of tunnel grouting model testing,
Step 1: make slip casting separator 7, aluminum sheet is cut into the thin rounded flakes with sawtooth, the diameter of thin rounded flakes is identical with the external diameter of PVC Grouting Pipe 2, to after the bending of aluminum sheet sawtooth, be inserted in PVC Grouting Pipe 2 ends, and utilize PVC bonding agent that both are adhesively fixed, the PVC Grouting Pipe 2 of bonding slip casting separator 7 and the PVC Grouting Pipe 2 of non-caked slip casting separator 7 are connected by PVC joint 1, thus fixing slip casting separator 7;
Step 2: the number that requires to determine segmenting slip casting device according to experimental design, if the wall rock grouting reinforcing of only carrying out the leading curtain-grouting before tunnel excavation or only carry out after tunnel excavation needs 2 segmenting slip casting devices, need 4 segmenting slip casting devices if carry out two kinds of grouting and reinforcings simultaneously.Require to determine PVC Grouting Pipe 2 length and slip casting flexible pipe 13 length according to experimental design.And slip casting separator 7, PVC Grouting Pipe 2, slip casting flexible pipe 13 and other PVC member are assembled into segmenting slip casting device.
Step 3: segmenting slip casting device 7 is connected with the steel fiber tube 11 on pattern board 15 by PVC box cupling 6, and carries out filler.
Step 4: when tunnel excavation to half, according to requirement of experiment, one of them segmenting slip casting device is carried out to slip casting, connect relevant grouting pipeline, open grouting pump 16 and valve 17 carries out slip casting, finish slip casting in the time reaching slip casting ending standard.
Step 5: after slurry consolidation, take movable joint apart and destroy slip casting separator 7 by long drill bit, rinse a period of time afterwards with press water, join dependency pipeline carries out slip casting next time, until slip casting for the third time stops slip casting after completing.
Step 6: when segmenting slip casting device has carried out, after three slip casting, according to requirement of experiment, next segmenting slip casting device being carried out to slip casting, 4 segmenting slip casting devices altogether, each segmenting slip casting device slip casting 3 times, overall process is carried out 12 slip casting altogether.
Step 7: slip casting completes, carries out the work such as form removal.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. a tunnel grouting model testing is divided order sublevel grouting device, it is characterized in that, the segmenting slip casting device arranging before and after comprising two pairs, the wherein wall rock grouting reinforcing area of a pair of segmenting slip casting device after corresponding to tunnel excavation, another is the leading curtain-grouting reinforcing area before corresponding to tunnel excavation to segmenting slip casting device; Each segmenting slip casting device all comprises a vertical Grouting Pipe, in Grouting Pipe, be parallel with three slip casting flexible pipes corresponding with leading curtain-grouting reinforcing area before wall rock grouting reinforcing area or tunnel excavation after tunnel excavation respectively, in Grouting Pipe between every two slip casting flexible pipes, be provided with a slip casting separator, the import of Grouting Pipe is connected with grouting pump;
Described slip casting separator is the thin rounded flakes of marginal belt sawtooth, the diameter of thin rounded flakes is identical with the external diameter of Grouting Pipe, to after the bending of thin slice sawtooth, be inserted in Grouting Pipe end, and utilize bonding agent that both are adhesively fixed, the Grouting Pipe of bonding slip casting separator is connected by joint with the Grouting Pipe of non-caked slip casting separator, thus fixing slip casting separator.
2. tunnel grouting model testing as claimed in claim 1 is divided order sublevel grouting device, it is characterized in that, described Grouting Pipe is PVC material, and Grouting Pipe lower port is connected with steel fiber tube by PVC box cupling, and steel fiber tube passes base plate and is welded to connect with base plate.
3. tunnel grouting model testing as claimed in claim 1 is divided order sublevel grouting device, it is characterized in that, described steel fiber tube lower end is connected with grouting pipeline by movable joint, and grouting pipeline is connected with grouting pump, and grouting pipeline is provided with valve.
4. tunnel grouting model testing as claimed in claim 1 is divided order sublevel grouting device, it is characterized in that, described thin rounded flakes is that thickness is the aluminum sheet of 0.23mm, and this aluminum sheet can be born the grouting pressure of 1MPa, meets the requirement of model testing to grouting pressure completely.
5. tunnel grouting model testing as claimed in claim 1 is divided order sublevel grouting device, it is characterized in that, described slip casting flexible pipe adopts the plastic pipe of softwood matter to make, and on flexible pipe, interval arranges the slurry mouthful that overflows, and slip casting flexible pipe is connected by PVC reducing with Grouting Pipe.
6. tunnel grouting model testing as claimed in claim 1 is divided order sublevel grouting device, it is characterized in that, two relative slip casting flexible pipes are arranged on same straight line, and totally 12 slip casting flexible pipes of the segmenting slip casting device arranging before and after two pairs is positive six prisms and arranges centered by tunnel.
7. tunnel grouting model testing is divided a using method for the sublevel grouting device of arranging in order, and step is as follows:
Step 1: make slip casting separator, aluminum sheet is cut into the thin rounded flakes with sawtooth, the diameter of thin rounded flakes is identical with the external diameter of PVC Grouting Pipe, to after the bending of aluminum sheet sawtooth, be inserted in PVC Grouting Pipe end, and utilize PVC bonding agent that both are adhesively fixed, the PVC Grouting Pipe of bonding slip casting separator and the PVC Grouting Pipe of non-caked slip casting separator are connected by PVC joint, thus fixing slip casting separator;
Step 2: the number that requires to determine segmenting slip casting device according to experimental design, if the wall rock grouting reinforcing of only carrying out the leading curtain-grouting before tunnel excavation or only carry out after tunnel excavation needs 2 segmenting slip casting devices, need 4 segmenting slip casting devices if carry out two kinds of grouting and reinforcings simultaneously; Require to determine PVC Grouting Pipe length and slip casting hose length according to experimental design; And slip casting separator, PVC Grouting Pipe and slip casting flexible pipe are assembled into segmenting slip casting device;
Step 3: segmenting slip casting device is connected with the steel fiber tube on pattern board by PVC box cupling, and carries out filler
Step 4: when tunnel excavation to half, according to requirement of experiment, one of them segmenting slip casting device is carried out to slip casting, connect relevant grouting pipeline, open grouting pump and valve and carry out slip casting, finish slip casting in the time reaching slip casting ending standard;
Step 5: after slurry consolidation, take movable joint apart and destroy slip casting separator by long drill bit, rinse afterwards with press water, join dependency pipeline carries out slip casting next time, until slip casting for the third time stops slip casting after completing;
Step 6: when segmenting slip casting device has carried out after three slip casting, according to requirement of experiment, next segmenting slip casting device being carried out to slip casting, each segmenting slip casting device slip casting 3 times;
Step 7: slip casting completes, carries out form removal work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179339.2A CN103912289B (en) | 2014-04-30 | 2014-04-30 | Tunnel grouting model testing divides order sublevel grouting device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179339.2A CN103912289B (en) | 2014-04-30 | 2014-04-30 | Tunnel grouting model testing divides order sublevel grouting device and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103912289A true CN103912289A (en) | 2014-07-09 |
| CN103912289B CN103912289B (en) | 2016-01-13 |
Family
ID=51038254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410179339.2A Active CN103912289B (en) | 2014-04-30 | 2014-04-30 | Tunnel grouting model testing divides order sublevel grouting device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103912289B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089240A (en) * | 2016-06-14 | 2016-11-09 | 重庆工商职业学院 | Support System in Soft Rock Tunnels segments in a circular shape excavation supporting system and method for protecting support thereof |
| CN106324222A (en) * | 2016-09-26 | 2017-01-11 | 河海大学 | Model testing device for simulating underground tunnel construction and use method of model testing device |
| CN110565740A (en) * | 2019-08-13 | 2019-12-13 | 中广核工程有限公司 | Method for connecting open hole of submarine tunnel and riser |
| CN111173537A (en) * | 2020-01-07 | 2020-05-19 | 中铁十八局集团有限公司 | Large-scale supplementary grouting method between duct piece and surrounding rock for tunnel construction by TBM method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09268522A (en) * | 1996-03-29 | 1997-10-14 | Oka Masataka | Injection device of epoxy resin adhesive used for connecting steel plate for reinforcement of bridge pier |
| CN201087377Y (en) * | 2007-06-01 | 2008-07-16 | 王晶晶 | Combined injection tube of rear mud jacking filling pile |
| CN102808413A (en) * | 2012-08-21 | 2012-12-05 | 福州市第三建筑工程公司 | Reinforcement-replacing sectional-grouting pipe with inner piston and construction method thereof |
| CN203113345U (en) * | 2013-03-13 | 2013-08-07 | 中国葛洲坝集团国际工程有限公司 | Series-and-parallel connection grouting device |
| CN203879516U (en) * | 2014-04-30 | 2014-10-15 | 山东大学 | Sequential and segmentation grouting device of tunnel grouting model test |
-
2014
- 2014-04-30 CN CN201410179339.2A patent/CN103912289B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09268522A (en) * | 1996-03-29 | 1997-10-14 | Oka Masataka | Injection device of epoxy resin adhesive used for connecting steel plate for reinforcement of bridge pier |
| CN201087377Y (en) * | 2007-06-01 | 2008-07-16 | 王晶晶 | Combined injection tube of rear mud jacking filling pile |
| CN102808413A (en) * | 2012-08-21 | 2012-12-05 | 福州市第三建筑工程公司 | Reinforcement-replacing sectional-grouting pipe with inner piston and construction method thereof |
| CN203113345U (en) * | 2013-03-13 | 2013-08-07 | 中国葛洲坝集团国际工程有限公司 | Series-and-parallel connection grouting device |
| CN203879516U (en) * | 2014-04-30 | 2014-10-15 | 山东大学 | Sequential and segmentation grouting device of tunnel grouting model test |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089240A (en) * | 2016-06-14 | 2016-11-09 | 重庆工商职业学院 | Support System in Soft Rock Tunnels segments in a circular shape excavation supporting system and method for protecting support thereof |
| CN106089240B (en) * | 2016-06-14 | 2019-02-22 | 重庆工商职业学院 | Support System in Soft Rock Tunnels segments in a circular shape excavation supporting system and its method for protecting support |
| CN106324222A (en) * | 2016-09-26 | 2017-01-11 | 河海大学 | Model testing device for simulating underground tunnel construction and use method of model testing device |
| CN110565740A (en) * | 2019-08-13 | 2019-12-13 | 中广核工程有限公司 | Method for connecting open hole of submarine tunnel and riser |
| CN111173537A (en) * | 2020-01-07 | 2020-05-19 | 中铁十八局集团有限公司 | Large-scale supplementary grouting method between duct piece and surrounding rock for tunnel construction by TBM method |
| CN111173537B (en) * | 2020-01-07 | 2022-05-03 | 中铁十八局集团有限公司 | Large-scale supplementary grouting method between duct piece and surrounding rock for tunnel construction by TBM method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103912289B (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203879516U (en) | Sequential and segmentation grouting device of tunnel grouting model test | |
| CN103912289B (en) | Tunnel grouting model testing divides order sublevel grouting device and using method thereof | |
| CN106223496A (en) | A kind of post-cast strip antiseepage grouting device | |
| CN107724677A (en) | Steel bar template positioning constructing structure and its construction method in reinforced concrete member | |
| CN103410182A (en) | Unilateral pile foundation unloading horizontal top-level pull deviation rectifying and broken pile reinforcement construction method | |
| CN205839985U (en) | Fabricated shear wall attachment means | |
| CN105225593A (en) | For simulating the culvert system of groundwater environment in ground stratum | |
| CN207420036U (en) | Steel bar template positions constructing structure in reinforced concrete member | |
| CN105065040B (en) | A kind of prefabricated underground space tunneling construction method of top plate | |
| CN102865087B (en) | Embedded grout pipe device in lining concrete of chamber and construction method | |
| CN204781973U (en) | Antiseep plugging device in split bolt hole | |
| CN107489438A (en) | Utilize the earth anchor dual-purpose drainpipe and its method to set up of steel pipe expansion | |
| CN209025646U (en) | A kind of interior grouting device for blocking open-hole section crack water burst of mine drilling | |
| CN111074886A (en) | Anchor rod device for tertiary grouting | |
| CN203616225U (en) | Device for identifying foaming performance of shield residue soil improving foaming agent | |
| CN105350971A (en) | Pipe-roofing push bench provided with lock guiding devices and attitude control method thereof | |
| CN205638486U (en) | It strains drainage slip casting membrane bag hole sealing constructional device to be arranged in control to gush gushing water slip casting | |
| CN206052996U (en) | A kind of post-cast strip antiseepage grouting device | |
| CN201723251U (en) | Vertical shaft water intercepting and guiding device | |
| CN205063979U (en) | Novel slip casting device | |
| CN206815839U (en) | Split bolt hole water sealing structure | |
| CN203130097U (en) | Small guide pipe for grouting | |
| KR101280302B1 (en) | An excavation apparatus capable of directional control | |
| CN205530136U (en) | Modular water conservancy ditch rapid prototyping device | |
| CN202755381U (en) | Joint box for underground continuous wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Lianzhen Inventor after: Li Shucai Inventor after: Li Tibing Inventor after: Li Lapu Inventor after: Weng Xianjie Inventor after: Wang Deming Inventor after: Li Xianghui Inventor after: Zhao Peng Inventor before: Zhang Weijie Inventor before: Li Shucai Inventor before: Li Tibing Inventor before: Li Lapu Inventor before: Weng Xianjie Inventor before: Wang Deming Inventor before: Li Xianghui Inventor before: Zhao Peng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG WEIJIE LI SHUCAI LI TIBING LI LAPU WENG XIANJIE WANG DEMING LI XIANGHUI ZHAO PENG TO: ZHANG LIANZHEN LI SHUCAI LI TIBING LI LAPU WENG XIANJIE WANG DEMING LI XIANGHUI ZHAO PENG |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |