CN108222962A - A kind of placing concrete opening steel pipe for allowing anti-binding prevents pucking device and technology - Google Patents
A kind of placing concrete opening steel pipe for allowing anti-binding prevents pucking device and technology Download PDFInfo
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- CN108222962A CN108222962A CN201810263191.9A CN201810263191A CN108222962A CN 108222962 A CN108222962 A CN 108222962A CN 201810263191 A CN201810263191 A CN 201810263191A CN 108222962 A CN108222962 A CN 108222962A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 238000005516 engineering process Methods 0.000 title claims abstract description 21
- 239000004567 concrete Substances 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 239000011435 rock Substances 0.000 claims abstract description 33
- 239000000725 suspension Substances 0.000 claims abstract description 27
- 239000011888 foil Substances 0.000 claims description 25
- 238000007569 slipcasting Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 239000011372 high-strength concrete Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000013507 mapping Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 239000002362 mulch Substances 0.000 claims description 3
- 238000013441 quality evaluation Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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 OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of placing concrete opening steel pipes for allowing anti-binding to prevent pucking device and technology, the anti-release main body mechanism, which comes into full contact with pressure relief vent and carries pressure relief vent edge stress, occurs corresponding deformation, carrying pallet is placed in by suspension rope in anti-release main body mechanism, suspension rope upper end is connect by orientation stent with reel, highly sensitive strain transducer is pasted on anti-release main body mechanism inner wall, is connect by low resistance electric signal connecting line with portable deformeter.The present invention realizes the resistance to roadway floor crustal stress and release simultaneously by a kind of device, alleviate crustal stress using the section release of anti-release main body mechanism gap to act on, filling concrete segment forms crucial rock beam with periphery rock stratum, increase rock stratum rigidity, the deformation of lower part rock stratum is hindered to be communicated up, that is, limits the movement of rock stratum, crustal stress effect is alleviated again, and device makes simply, construction technology is easy, can effectively solve the problems, such as Floor Heave in Roadway.
Description
Technical field
The present invention relates to Floor Heave in Roadway Prevention Technique fields in mining engineering, it is proposed that a kind of pouring coagulation for allowing anti-binding
Soil opening steel pipe prevention pucking device and technology.
Background technology
The geological disaster phenomenon that roadway floor swells upwards is Floor Heave in Roadway.For a long time, Floor Heave in Roadway is always coal
One of problem in the underground engineerings such as ore deposit exploitation.Floor Heave in Roadway causes former design standard drift section product to reduce, and then influence lane
Road pedestrian and transport, interfere mine ventilation.It largely repaired caused by strong pucking, overhaul work, considerably increase tunnel
Maintenance cost.Excessively high stress and the soft rock stratum of bottom plate around the reason of Floor Heave in Roadway mainly tunnel, for this 2 points
The Floor Heave in Roadway administering method that reason is applied at present mainly has method for strengthening, destressing method and combination method.Reinforcement means mainly includes
Two kinds of bottom plate anchor pole and floor grouting, bottom plate anchor pole requirement floor strata have medium ground, to provide anchor force, use item
Part is restricted；The flow direction of floor grouting method slurries is difficult to control, and slurry consumption amount is big, of high cost.Destressing method is by tunnel week
The concentrated stress on side (particularly bottom plate) shifts to achieve the purpose that floor lift control to roadway surrounding rock deep, and application is more universal.
Combination method is that two or three in the above method is applied in combination, and is mainly used in that stress concentration degree is big, pucking is serious
Situation, but construction technology is complex.Therefore research and development one kind can improve Surrounding Rock Strength, reduce surrouding rock deformation, and can discharge and enclose
Rock mass internal stress delays the device of surrouding rock deformation, among by method for strengthening and destressing method respectively the advantages of is integrated into a kind of device, letter
Change construction technology, reduce construction cost, for safeguarding that mine working is stablized, improve mine economic profit and be of great significance.
Invention content
It is an object of the invention to overcome the shortcomings of existing Floor Heave in Roadway control measures, the reinforcing that comprehensive Floor Heave in Roadway is administered
The advantages of method and destressing method, provides a kind of placing concrete opening steel pipe for allowing anti-binding and prevents pucking device and technology, realizes
The validity of Floor Heave in Roadway disaster is administered, safeguards Drift stability, improves mine economic profit.
To achieve these goals, the technical solution adopted in the present invention is：
It is a kind of that the placing concrete opening steel pipe prevention pucking device of anti-binding and technology, the device is allowed to include anti-release
Main body mechanism, carrying pallet, suspension rope, Grouting Pipe, grouting pump, orientation stent, reel, highly sensitive strain transducer are low
Resistance value electric signal connecting line, portable deformeter, closure plate；The anti-release main body mechanism comes into full contact with and holds with pressure relief vent
It carries pressure relief vent edge stress and corresponding deformation occurs；The carrying pallet is placed in by suspension rope in anti-release main body mechanism；It is described
Suspension rope upper end is connect by orientation stent with reel；The slip casting infratubal port be in carrying pallet above, upper port with
Grouting pump connects；The high sensitivity strain transducer is pasted on anti-release main body mechanism inner wall, is connected by low resistance electric signal
Wiring is connect with portable deformeter.
The anti-release main body mechanism be a steel pipe, length 1m, diameter 20cm, anti-release main body mechanism side edge
Its length direction opens bar shaped gap, gap arc length 8cm, and anti-release main body mechanism cross section is a sector；Anti- release main body
Mechanism inner wall bar shaped gap offside has a groove, connects up and uses for low resistance electric signal connecting line；Anti- release main body mechanism end
Head expands, to be connect with another anti-release main body mechanism nesting screw.
The carrying pallet is a round iron pan, thickness 10mm, the more anti-small 3mm of release main body mechanism internal diameter of diameter, can be
It is freely up and down moved in anti-release main body mechanism, suspension eye is beaten every 120 ° at carrying tray edge, three altogether, respectively
Suspension eye is equal with the distance in the carrying pallet center of circle, and a balance thin wire is drawn outside each suspension eye, and three balance thin wires intersect
It in a bit, and binds together, binding point carries pallet water in the surface in the carrying pallet center of circle when guarantee is suspended vertically
It is flat.
The suspension rope is nylon rope, lower end and the balance thin wire binding point connection above carrying pallet, and upper end passes through
Orientation stent is connect with reel, and suspension rope does a label every 0.2m.
The Grouting Pipe is the steel pipe of outer diameter 25mm, can pass through screw thread spreading, Grouting Pipe vertical direction according to actual demand
On overlapped as possible with pressure relief vent axle center, lower end be located at carrying pallet above, upper end is connect with grouting pump.
The orientation stent is the intermediate A-frame containing fixed pulley, and the A-frame is by three isometric reinforcing bars and reinforcing bar
Annulus is welded, and the fixed pulley is welded by a fine steel rib and reinforcing bar annulus, and fine steel rib is passed through by fixed pulley center, carefully
Reinforcing bar length is equal with reinforcing bar circle diameter.
The reel is made of stent, kinking disk, joystick, by the kinking disk on joystick swinging mounting,
Realize the lifting of carrying pallet.
The high sensitivity strain transducer includes foil gauge, wire connection terminal, foil gauge, wire connection terminal and anti-release master
Body mechanism inner wall is connected by pasting, and foil gauge length direction and anti-release main body mechanism are axially vertical, with anti-release main body
Mechanism cooperative transformation.
The low resistance electric signal connecting line be outer diameter 1.2mm copper wire, low resistance electric signal connecting line lower end with it is highly sensitive
The wire connection terminal welding in strain transducer is spent, is answered by anti-release main body mechanism groove upper berth to release aperture with portable
Become the connection of instrument nut.
The portable deformeter is connect with low resistance electric signal connecting line, is read and is stored highly sensitive strain transducer
Measured data.
The closure plate is made of the up big and down small thin cylinder of two ironys, roundlet column diameter 19cm, height 5cm, and big cylinder is straight
Diameter 22cm, height 3cm.
A kind of placing concrete opening steel pipe for allowing anti-binding prevents pucking device and technology, includes the following steps：
A, pressure relief vent excavates
According to tunnel geological environment to be onstructed, crustal stress size, by method for numerical simulation be calculated release hole depth,
Spacing and array pitch, and pressure relief vent is excavated, release bore dia is 22cm.
B, anti-release main body mechanism is connected
Anti- release main body mechanism number is determined according to release hole depth is excavated, and connected anti-release main body mechanism with screw
It picks up and.
C, highly sensitive strain transducer is connected
Low resistance electric signal connecting line one end and wire connection terminal are welded first, foil gauge conducting wire is welded with wire connection terminal,
Secondly according to position of stratum to be measured, foil gauge and wire connection terminal are pasted；Foil gauge and wire connection terminal 502 glue and anti-release
Main body mechanism inner wall connects；It should ensure that anti-release main body mechanism inner wall smooth before stickup；During stickup foil gauge long side should with it is anti-
Release main body mechanism is axially vertical；It should ensure that foil gauge and anti-release main body mechanism contact surface bubble-free after stickup and use ohm
Whether table monitoring foil gauge damages；Low resistance electric signal connecting line by anti-release main body mechanism groove be laid with to nozzle with just
Take the connection of formula deformeter.
D, local resistance to compression section slip casting
Quality evaluation is carried out to the mechanical strength of pressure relief vent rock stratum according to geological mapping data, specifies hard rock layer thickness, bottom
Board position and absolute altitude；Suspension rope and carrying pallet are connected, is transferred by orienting stent to the bottom plate of pressure relief vent lowest part hard formation
Place keeps carrying tray position constant, connects Grouting Pipe, starts slip casting, and slurries are quick setting and high strength concrete, slip casting height with it is hard
Depth of stratum is equal, after grouting layer solidification and anti-release main body mechanism are integral, cuts short suspension rope；Reconnect suspention
Rope and carrying pallet, every a depth of stratum, reserve gap section, start a upper hard formation position slip casting, recycle this work,
Stop at nozzle, and ensure there is a non-grouting layer among adjacent two slip casting section.
E, it seals
Slip casting covers anti-release main body mechanism after hours, with closure plate, and top gravel mulch restores original appearance.
Beneficial effects of the present invention：
1st, the present invention combines currently used two kinds of Floor Heave in Roadway administering method advantage, is on the one hand unloaded using gap section
Pressure, alleviates crustal stress effect, on the other hand fills quick setting and high strength concrete segment and forms crucial rock beam with periphery rock stratum, increases rock stratum
Rigidity, hinder its underpart rock stratum deformation move up, realize effective improvement to pucking.
2nd, the present invention can monitor the deflection of rock mass and deformation inside roadway floor while Floor Heave in Roadway problem is administered
Rate, this contributes to the changing rule for probing into crustal stress, formulates more rational pucking resolution.
3rd, present invention design each component of device is easy to make, and simple in structure, construction technology is simple, is combined by anti-release
Mode realize improvement to Floor Heave in Roadway.
Description of the drawings：
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the vertical view that pallet is carried in Fig. 1；
Fig. 3 is the front view of closure plate.
In figure：1-anti-release main body mechanism；2-carrying pallet；3-balance thin wire；4-Grouting Pipe；5-slip casting
Pump；6-orientation stent；7-reel；8-high sensitivity strain transducer；9-low resistance electric signal connecting line；10-portable
Formula deformeter；11-closure plate；12-suspension rope；13-stratum；14-quick setting and high strength concrete；15-gap section
Specific embodiment：
Below in conjunction with the accompanying drawings, specific implementation of the patent mode is further described.
As shown in Figures 1 to 3, a kind of placing concrete opening steel pipe for allowing anti-binding prevents pucking device and technology, the dress
It puts including anti-release main body mechanism 1, positions grouting device, deformation monitoring device, closing device；The anti-release main body mechanism
1 comes into full contact with pressure relief vent, on the one hand using gap section release, alleviates crustal stress effect, on the other hand fills quick setting and high strength and mix
Solidifying soil section forms crucial rock beam with periphery rock stratum, increases the rigidity of rock stratum, and the deformation of its underpart rock stratum is hindered to move up, described
Deformation monitoring device is located inside anti-release main body mechanism, realizes and roadway floor rock deformation is monitored.
Steel pipe of the anti-release main body mechanism 1 for the open and clear mouth in side, length 1m, diameter 20cm, gap arc length
8cm, anti-release main body mechanism inner wall bar shaped gap offside have a groove, connect up and use for low resistance electric signal connecting line 9；
Anti- release main body mechanism reamed end, to be connect with another anti-release main body mechanism nesting screw.
The positioning grouting device includes carrying pallet 2, balance thin wire 3, suspension rope 12, Grouting Pipe 4, grouting pump 5, determines
To stent 6, reel 7, carrying pallet 2 is in horizontality by balancing the suspention of thin wire 3, and 12 traction balance of suspension rope is thin
3 intersection point of iron wire makes carrying pallet 2 be moved up and down in anti-release main body mechanism 1, and suspension rope 12 has a label number every 0.2m,
To carry out determining for 2 position of carrying pallet, reel 7 makes suspension rope 12 be in anti-release main body mechanism by orienting stent 6
1 axial location, and the lifting of suspension rope 12 is controlled, Grouting Pipe 4 abuts suspension rope 12, and lower port is in the upper of carrying pallet 2
Quick setting and high strength concrete is injected into anti-release main body mechanism 1 by side, the pressure generated by grouting pump 5, forms quick setting and high strength
Concrete 14.
The deformation monitoring device include highly sensitive strain transducer 8, low resistance electric signal connecting line 9, it is portable should
Become instrument 10, highly sensitive strain transducer 8 is made of foil gauge, wire connection terminal, and the two is pasted on anti-release main body mechanism 1
Inner wall, foil gauge length direction and anti-release main body mechanism 1 are axially vertical, with anti-1 cooperative transformation of release main body mechanism, low-resistance
9 one end of value electric signal connecting line is connect with highly sensitive strain transducer 8, by anti-1 groove upper berth of release main body mechanism to unloading
Pressure aperture is connect with portable deformeter 10.
The closing device is closure plate 11, is composed of the thin cylinder of two ironys to differ in size, small column can be embedded in
In anti-release main body mechanism 1, big cylinder is located at except anti-release main body mechanism 1, plays the anti-release main body mechanism 1 of closing
Effect.
The stratum 13 stratigraphic horizon obtained by geological mapping, the gap section 15 are filled for two quick setting and high strength concrete 14
Gap section is reserved between section, plays release.
A kind of placing concrete opening steel pipe for allowing anti-binding prevents pucking device and technology, utilizes above device, implements
Method specifically comprises the following steps：
A, pressure relief vent excavates
According to tunnel geological environment to be onstructed, crustal stress size, by method for numerical simulation be calculated release hole depth,
Spacing and array pitch, and pressure relief vent is excavated, release bore dia is 22cm.
B, anti-release main body mechanism is connected
Anti- release main body mechanism number is determined according to release hole depth is excavated, and connected anti-release main body mechanism with screw
It picks up and.
C, highly sensitive strain transducer is connected
Low resistance electric signal connecting line one end and wire connection terminal are welded first, foil gauge conducting wire is welded with wire connection terminal,
Secondly according to position of stratum to be measured, foil gauge and wire connection terminal are pasted；Foil gauge and wire connection terminal 502 glue and anti-release
Main body mechanism inner wall connects；It should ensure that anti-release main body mechanism inner wall smooth before stickup；During stickup foil gauge long side should with it is anti-
Release main body mechanism is axially vertical；It should ensure that foil gauge and anti-release main body mechanism contact surface bubble-free after stickup and use ohm
Whether table detection foil gauge damages；Low resistance electric signal connecting line by anti-release main body mechanism groove be laid with to nozzle with just
Take the connection of formula deformeter.
D, local resistance to compression section slip casting
Quality evaluation is carried out to the mechanical strength of pressure relief vent rock stratum according to geological mapping data, specifies hard rock layer thickness, bottom
Board position and absolute altitude；Suspension rope and carrying pallet are connected, is transferred by orienting stent to the bottom plate of pressure relief vent lowest part hard formation
Place keeps carrying tray position constant, connects Grouting Pipe, start slip casting, slip casting height is equal with hard rock layer thickness, treats grouting layer
After solidification and anti-release main body mechanism are integral, suspension rope is cut short；Suspension rope and carrying pallet are reconnected, every a rock
Layer thickness reserves gap section, starts a upper hard formation position slip casting, recycle this work, stop at nozzle, and ensures
There is a non-grouting layer among adjacent two slip casting section.
E, it seals
Slip casting covers anti-release main body mechanism after hours, with closure plate, and top gravel mulch restores original appearance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation with the present invention, all in essence of the invention
The all any modification, equivalent and improvement made within refreshing and principle such as change anti-release main body mechanism material, carrying pallet
Method for improving etc., should all be included in the protection scope of the present invention.
Claims (9)
- Steel pipe prevention pucking device and technology 1. a kind of placing concrete for allowing anti-binding is open, including anti-release main body mechanism, Position grouting device, deformation monitoring device, closure plate, it is characterised in that：The anti-release main body mechanism fully connects with pressure relief vent It touches, cooperative transformation；The positioning grouting device realizes anti-release main body mechanism by the orientation injection of quick setting and high strength concrete Resistance to compression function；The deformation monitoring device is located at anti-release main body mechanism inner wall, is connected by pasting.
- 2. a kind of placing concrete opening steel pipe for allowing anti-binding according to claim 1 prevents pucking device and technology, It is characterized in that：The anti-release main body mechanism is a steel pipe, and bar shaped gap, gap opposite pipe are opened in pipe side Prefabricated strip groove at inner wall.
- 3. a kind of placing concrete opening steel pipe for allowing anti-binding according to claim 1 and 2 prevents pucking device and skill Art, it is characterised in that：The anti-release main body mechanism is intersegmental every laying, rapid hardening height with gap for quick setting and high strength concrete segment Reinforced concrete section forms crucial rock beam with periphery rock stratum, and lower part rock deformation is hindered to move up, and ground is alleviated in the release of gap section should Power.
- 4. a kind of placing concrete opening steel pipe for allowing anti-binding according to claim 1 prevents pucking device and technology, It is characterized in that：The positioning grouting device includes reel, orientation stent, suspension rope, balance thin wire, carrying pallet, note Slurry pipe, grouting pump, the suspension rope have an identification number every 0.2m, are connect, twined with balance thin wire intersection point by orienting stent Line device controls its lifting.
- 5. a kind of placing concrete opening steel pipe for allowing anti-binding according to claim 1 and 4 prevents pucking device and skill Art, it is characterised in that：The carrying pallet is uniformly distributed the disks of three apertures for edge, balance thin wire pass through circular hole with Disk binding connection, three balance thin wire top intersection points are located at the surface of circle disk center.
- 6. a kind of placing concrete opening steel pipe for allowing anti-binding according to claim 1 prevents pucking device and technology, It is characterized in that：The deformation monitoring device includes highly sensitive strain transducer, low resistance electric signal connecting line, portable Deformeter, the highly sensitive strain transducer include foil gauge, wire connection terminal, the foil gauge, wire connection terminal welding Connection, is pasted on anti-release main body mechanism inner wall.
- 7. a kind of placing concrete opening steel pipe for allowing anti-binding according to claim 1 and 6 prevents pucking device and skill Art, it is characterised in that：Described low resistance electric signal connecting line one end is welded with wire connection terminal, passes through anti-release main body mechanism Strip groove upper berth to release aperture is connect with portable deformeter nut.
- 8. a kind of placing concrete opening steel pipe for allowing anti-binding according to claim 1 prevents pucking device and technology, It is characterized in that：The closure plate is the up big and down small thin cylinder assembly of irony.
- 9. a kind of placing concrete opening steel pipe for allowing anti-binding prevents pucking device and technology, one of claim 1 to 9 is utilized A kind of placing concrete opening steel pipe for allowing anti-binding prevents pucking device and technology, it is characterised in that：Including as follows Step：A, pressure relief vent excavatesAccording to tunnel geological environment to be onstructed, crustal stress size, release hole depth, spacing are calculated by method for numerical simulation And array pitch, and pressure relief vent is excavated, release bore dia is 22cm.B, anti-release main body mechanism is connectedAccording to release hole depth is excavated determine anti-release main body mechanism number, and anti-release main body mechanism is connected with screw Come.C, highly sensitive strain transducer is connectedLow resistance electric signal connecting line one end and wire connection terminal are welded first, foil gauge conducting wire is welded with wire connection terminal, secondly According to position of stratum to be measured, foil gauge and wire connection terminal are pasted；Foil gauge and 502 glue of wire connection terminal and anti-release main body Mechanism inner wall connection；It should ensure that anti-release main body mechanism inner wall smooth before stickup；Foil gauge long side should be with anti-release during stickup Main body mechanism is axially vertical；It should ensure that foil gauge and anti-release main body mechanism contact surface bubble-free after stickup and examined with ohmmeter Survey whether foil gauge damages；Low resistance electric signal connecting line by anti-release main body mechanism groove be laid with to nozzle with it is portable Deformeter connects.D, local resistance to compression section slip castingQuality evaluation is carried out to the mechanical strength of pressure relief vent rock stratum according to geological mapping data, specifies hard rock layer thickness, bottom plate position It puts and absolute altitude；Suspension rope and carrying pallet are connected, transfers to the bottom plate of pressure relief vent lowest part hard formation, protects by orienting stent It is constant to hold carrying tray position, connects Grouting Pipe, starts slip casting, slip casting height is equal with hard rock layer thickness, treats that grouting layer solidifies With anti-release main body mechanism it is integral after, cut short suspension rope；Suspension rope and carrying pallet are reconnected, every a rock stratum thickness Degree, starts a upper hard formation position slip casting, recycles this work, stops at nozzle, and ensures in adjacent two slip casting section Between have a non-grouting layer.E, it sealsSlip casting covers anti-release main body mechanism after hours, with closure plate, and top gravel mulch restores original appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810263191.9A CN108222962B (en) | 2018-03-28 | 2018-03-28 | Device and method for preventing and controlling bottom drum of anti-bonding cast concrete open steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810263191.9A CN108222962B (en) | 2018-03-28 | 2018-03-28 | Device and method for preventing and controlling bottom drum of anti-bonding cast concrete open steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108222962A true CN108222962A (en) | 2018-06-29 |
| CN108222962B CN108222962B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810263191.9A Active CN108222962B (en) | 2018-03-28 | 2018-03-28 | Device and method for preventing and controlling bottom drum of anti-bonding cast concrete open steel pipe |
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| CN108222962B (en) | 2023-11-28 |
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