CN109133807A - A kind of tunnel material spray and preparation method thereof - Google Patents
A kind of tunnel material spray and preparation method thereof Download PDFInfo
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- CN109133807A CN109133807A CN201811223736.XA CN201811223736A CN109133807A CN 109133807 A CN109133807 A CN 109133807A CN 201811223736 A CN201811223736 A CN 201811223736A CN 109133807 A CN109133807 A CN 109133807A
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- 239000007921 spray Substances 0.000 title claims abstract description 80
- 239000000463 material Substances 0.000 title claims abstract description 78
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000013008 thixotropic agent Substances 0.000 claims abstract description 15
- 239000007767 bonding agent Substances 0.000 claims abstract description 9
- 239000004568 cement Substances 0.000 claims abstract description 9
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 235000013312 flour Nutrition 0.000 claims abstract description 8
- 229920002521 macromolecule Polymers 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 8
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 7
- 239000004615 ingredient Substances 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 16
- 238000004806 packaging method and process Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000005507 spraying Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000004567 concrete Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 12
- 239000003245 coal Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 239000011378 shotcrete Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- -1 arrived August 25th Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of tunnel material spray and preparation method, the ingredient of the material spray includes: white cement, silica flour, titanium dioxide, macromolecule xanthan rubber powder, bonding agent and thixotropic agent, their weight percent are as follows: 50:80:9:33:14:14.Disclosed by the invention kind of tunnel material spray preparation and its application method, the new material combination novel spraying technology greatly improve the speed and quality of whitewashing, improve working environment, reduce costs simultaneously, achieve preferable economic benefit and social benefit.
Description
Technical field
The present invention relates to colliery tunnel support technology, especially a kind of tunnel material spray preparation and its application method.
Background technique
Gunite concrete is that a kind of raw material are identical as normal concrete, and the concrete that construction technology is special.Injection is mixed
Solidifying soil be by cement, sand, stone, be mixed according to a certain percentage after, be sent into concrete sprayer, with compressed air by dry mixing
It closes material to be sent at spray head, after adding water at the water ring of spray head, is ejected into roadway surrounding rock surface at a high speed, play one kind of support action
Support form and construction method.Replaced original in mine working using the concrete spraying support combined with suspension roof support
Stone cornering arch, concrete lining achieve apparent effect.
The concrete ejection technique that the existing thin spray in tunnel uses, the concrete being stirred are ejected into special-purpose ejecting equipment and are applied
Work surface thickness is not less than 4 centimetres, and about 140 kilograms of every square of dosage, concrete springback amount is big in course of injection, and environmental pollution is tight
The disadvantages of weight, construction efficiency is low and shearing resistance, tension, resistance to compression and bonding force are poor, and gelling time is long.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, a kind of tunnel material spray is provided, spray is greatly improved
The speed and quality of slurry improves working environment, reduces costs simultaneously, achieves preferable economic benefit and social benefit.
The invention also discloses a kind of preparation methods of tunnel material spray.
Technical solution: to achieve the above object, the present invention provides a kind of tunnel material spray, and the ingredient of the material spray includes: plain boiled water
Mud, silica flour, titanium dioxide, macromolecule xanthan rubber powder, bonding agent and thixotropic agent, their weight percent are as follows: 50:80:9:33:
14:14。
It is further improved, the bonding agent redispersible latex powder XY-6010.
It is further improved, the thixotropic agent is anti-settling thixotropic agent 6650R.
A kind of preparation method of tunnel material spray, mainly comprises the steps that
1) by weight percent be 33:14 macromolecule xanthan rubber powder and thixotropic agent be added power be 2.5KW 2t entirely from
Stirring 5 minutes in dynamic dry powder blender；
2) stop after the completion of step 1) 5 minutes, the 2Tt full-automatic dry powder mixing machine feed opening for being again then 2.5KW to power
Middle addition continues stirring 5 minutes with the bonding agent that thixotropic agent weight percent is 1:1；
3) 6t for power 5.5KW being added in white cement, silica flour and titanium dioxide that weight percent is 50:80:9 simultaneously is complete
Stirring 15 minutes in automatic dry chemical mixing machine；
4) it will be stirred in the 6t full-automatic dry powder mixing machine in the mixing material being stirred in step 2) addition step 3)
15 minutes；
5) stop 10 minutes after the completion of step 4) to be produced, then to add 100 types full-automatic for mixing material obtained in step 4)
Weighing-packaging machine packaging, every inner wrapping are 15Kg；
6) packaged inner wrapping material spray is stacked on again on the pallet of big packaging 1t, then be put in storage with sealing film sealing, 15
It can outbound after it.
The utility model has the advantages that disclosed by the invention kind of tunnel material spray preparation and its application method, the new material combination novel spraying
Slurry technology greatly improves the speed and quality of whitewashing, improves working environment, reduces costs simultaneously, achieves preferable
Economic benefit and social benefit.
Specific embodiment
Below with reference to embodiment, the present invention will be further explained.
Embodiment one:
The invention discloses a kind of tunnel material spray, the ingredient of the material spray includes: white cement, silica flour, titanium dioxide, macromolecule
Xanthan rubber powder, bonding agent and thixotropic agent, their weight percent are as follows: 50:80:9:33:14:14.
A kind of preparation method of tunnel material spray, the material spray raw material are by weight percentage every time using 5t product as radix
It prepares, mainly comprises the steps that
1) by weight percent be 33:14 macromolecule xanthan rubber powder and thixotropic agent be added power be 2.5KW 2t entirely from
Stirring 5 minutes in dynamic dry powder blender；
2) stop after the completion of step 1) 5 minutes, in the 2t full-automatic dry powder mixing machine feed opening for being again then 2.5KW to power
It is added and continues stirring 5 minutes with thixotropic agent weight percent for the bonding agent of 1:1；
3) 6t for power 5.5KW being added in white cement, silica flour and titanium dioxide that weight percent is 50:80:9 simultaneously is complete
Stirring 15 minutes in automatic dry chemical mixing machine；
4) it will be stirred in the 6t full-automatic dry powder mixing machine in the mixing material being stirred in step 2) addition step 3)
15 minutes；
5) stop 10 minutes after the completion of step 4) to be produced, then to add 100 types full-automatic for mixing material obtained in step 4)
Weighing-packaging machine packaging, every inner wrapping are 15Kg；
6) packaged inner wrapping material spray is stacked on again on the pallet of big packaging 1t, then be put in storage with sealing film sealing, 15
It can outbound after it.
Embodiment two:
A kind of preparation method of tunnel material spray, the material spray raw material are by weight percentage every time using 5t product as radix
It prepares, mainly comprises the steps that
1) 2t that power is 2.5KW is added in the anti-settling thixotropic agent 6650R of the macromolecule xanthan rubber powder of 825Kg and 350Kg
Stirring 5 minutes in full-automatic dry powder mixing machine；
2) stop after the completion of step 1) 5 minutes, in the 2t full-automatic dry powder mixing machine feed opening for being again then 2.5KW to power
The redispersible latex powder XY-6010 that 350Kg is added continues stirring 5 minutes；
3) titanium dioxide of the white cement of 1250Kg, the silica flour of 2000Kg and 225Kg is added to the 6t of power 5.5KW simultaneously
Stirring 15 minutes in full-automatic dry powder mixing machine；
4) it will be stirred in the 6t full-automatic dry powder mixing machine in the mixing material being stirred in step 2) addition step 3)
15 minutes；
5) stop 10 minutes after the completion of step 4) to be produced, then to add 100 types full-automatic for mixing material obtained in step 4)
Weighing-packaging machine packaging, every inner wrapping are 15Kg；
6) packaged inner wrapping material spray is stacked on again on the pallet of big packaging 1t, then be put in storage with sealing film sealing, 15
It can outbound after it.
Embodiment three:
Construction site need to have the compressed air of 0.6Mpa to 1.0MPa, tap water；The construction instrument of the material spray is 2
100L agitator, 1 10L plastic cylinder, one ER50 pneumatic stirring rifle, 1 set of HY80L pressure material spray tank (band safety valve, pressure regulation
Valve etc.), one the long spray gun of HYZ1.0 automatic air pressure, and one HYD1.0 automatic air pressure short arm, and tracheae, connector etc. is several, Ren Yuanpei
Set 4 people；
The step of construction method of specific tunnel material spray, is as follows:
Firstly, all pneumatic tools are connected firmly with live gas source, secondly, 10L plastic cylinder amount 30L tap water is fallen
Enter in 100L stirring discloses, adds one bag of 15Kg material spray, then, be stirred with ER50 pneumatic stirring rifle, revolving speed control when beginning
System stirs 5 minutes in 300-500rpm, then revolving speed control is stirred 10 minutes in 1500-2000rpm, and the slurry being stirred is fallen
Enter in HY80L pressure material spray tank, cover gland, lead to upper compressed air, pick up and look into air-tightness, with pressure regulator valve to adjustment pressure material spray tank
Interior pressure 0.8Mpa opens the outlet valve on pressure material spray tank；Spray wall is robbed with short, is sprayed the very useful spear in tunnel, is first opened
Air valve on spray gun, muzzle perpendicular to operation side, muzzle controls in 1-1.5M from work surface, then opens the spray on rifle
Expect valve, at the uniform velocity moves spray gun, movement speed is depending on jetting thickness.
Example IV:
The construction of Shanxi Lu An group Wang Zhuan coal mine:
Wang Zhuan mine on March 12nd, 2017 starts tissue material spray gunite work, formally examination spray on March 14, to July 25, altogether
1780 meters of spray, as a result as follows:
One, tunnel specification and construction length:
Tunnel specification: pick width 4.6m, clear span 4.4m；Dig high 3.9m, clear height 3.8m；
Accumulative whitewashing length 1780；
Two, material spray whitewashing compares superiority with concrete spraying:
Using material spray 44.5t, 2.3 ten thousand/t of unit price, amount to 102.35 ten thousand yuan, amounts to whitewashing 1780m；Equivalent track lane tunnel
Perimeter (10.4m), 575 yuan of linear meter(lin.m.) unit price；
Material spray spouting plant weighs 56 kilograms, and three people can move, and convenient for resettlement, is conducive to the edge for being usually not easy to spray
The whitewashing in the places such as chamber, tunnel；
Material spray spouting plant is not necessarily to electricity consumption, need to only use air hose, the wind pressure of water pipe and hydraulic pressure can operation；
Material spray whitewashing is not necessarily to proportioning process, no rebound material；
Thin spray raw material is that powder is packed, and every bag of 15Kg, per tour uses 30 bags or so, convenient transportation；
Material spray whitewashing is full wet trade, and no dust, operating location pollution is small, more environmentally friendly；
It is flexible after material spray whitewashing spray, it can anti-pressure resistance, efflorescence prevention, anti-nature；
After material spray squirts covering, it can prevent gas, pernicious gas etc. from gushing out；
Material spray whitewashing can also meet head on parallel operations other than 50 meters with headwork identity distance, can protect roadway bolt anchor cable in advance
Supporting intensity, reduce tunnel rate in bad repair；
Three, material spray whitewashing is compared with traditional sand-lime material whitewashing:
Material spray whitewashing 575 yuan/m of cost of material linear meter(lin.m.) expense unit price, tradition whitewashing cost of material linear meter(lin.m.) expense unit price
1222.6 yuan/m, 647.6 yuan/m of linear meter(lin.m.) save the cost；Two exploiting fields track lane amount to expense 102.3 using thin spray whitewashing 1780m
Ten thousand, use concrete spraying estimated charges 217.6 ten thousand, save the cost 115.3 ten thousand；
Material spray spouting plant is small in size, light-weight, not electricity consumption, and traditional spouting plant weight is big, and friction plate is easy to damage, accessory
Costly, electricity consumption, safety coefficient is low.
Material spray is whitewashed, and bonding force is high, and elasticity is good, tradition whitewashing poor flexibility, easy crack；
Material spray whitewashing raw material easily ships, and tradition whitewashing materials are more, and ingredient batch turning is cumbersome, time-consuming；
Material spray whitewash per tour have 4-5 people can operation, tradition whitewashing need 8 people more than, employment is more, higher cost；
Section per tour of tunnel Zhou Changwei 11m or so can spray 20-25 meters, and tradition whitewashing per tour can spray 5 meters or so, efficiency
It is low；
High-efficient, at low cost, the no Occupational Dust Hazard of material spray whitewashing, traditional guniting bounding material is more, and waste is serious, dust
Greatly, occupational hazards is more serious；
Four, tunnel benefit after spray whitewashing:
1, engineering sense organ is improved, quality standardization consciousness is improved；
2, tunnel is repaired to lane must carry out whitewashing closing for what last time coking coal inspection proposed, my mine can at the first time into
Row whitewashing；
3, require all kinds of chambers that must carry out supporting closing with non-combustible materials for coking coal, my ore mining can be very with thin spray
Good avoids the occurrence of problems；
4, to tunnel rock mass surface-closed, prevent to continue weathering；
5, supporting surface is closed, it is in bad repair reduces tunnel；
6, can be improved whitewashing it is single into.
Attached tradition sand-lime material linear meter(lin.m.) expense unit price (builds well lane engineering Extinction efficiency, spray thickness 12cm meter according to this coal
Calculate):
Cement: 1.4t, valuation: 464.8 yuan, 332 yuan/t of unit price
It is husky: 2.2m3, valuation: 316.8 yuan, 144 yuan/m of unit price3
Stone: 2.1m3, valuation: 281.4 yuan, 134 yuan/m of unit price3
Accelerator 0.14t, valuation: 159.6 yuan, unit price: 1140 yuan/t
It amounts to: 1222.6 yuan
The normal village's coal mine construction of Shanxi Lu An group:
Start tissue material spray gunite work normal village's mine on March 2nd, 2018, March 3, formally examination spray was sprayed altogether to July 25
It is 2050 meters, as a result as follows:
One, tunnel specification and construction length:
Tunnel specification: pick width 4.4m, clear span 4.2m；Dig high 3.9m, clear height 3.8m；Accumulative whitewashing length 2050；
Two, material spray whitewashing compares superiority with concrete spraying:
Using material spray 51.2t, 2.3 ten thousand/t of unit price, amount to 117.76 ten thousand yuan, amounts to whitewashing 2050m；Equivalent track lane tunnel
Perimeter (10.2m), 574,4 yuan/m of linear meter(lin.m.) unit price, tradition whitewashing 1222.6 yuan/m of cost of material linear meter(lin.m.) expense unit price.
The high river coal mine construction of Shanxi Lu An group:
High river mine on May 8th, 2018 starts tissue material spray gunite work, and May 9, formally examination spray, arrived August 25th, sprays altogether
It is 1380 meters, as a result as follows:
One, tunnel specification and construction length:
Tunnel specification: pick width 4.6m, clear span 4.4m；Dig high 3.9m, clear height 3.8m；Accumulative 1380 meters of length of whitewashing；
Two, material spray whitewashing with concrete spraying compare superiority:
Using material spray 34t, 2.3 ten thousand/t of unit price, amount to 78.2 ten thousand yuan, amounts to whitewashing 1380m；Equivalent track lane tunnel perimeter
(10.2m), linear meter(lin.m.) 566.6 yuan/m of unit price, tradition whitewashing 1222.6 yuan/m of cost of material linear meter(lin.m.) expense unit price.
The above is only a preferred embodiment of the present invention, it should be pointed out that: those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (4)
1. a kind of tunnel material spray, which is characterized in that the ingredient of the material spray includes: white cement, silica flour, titanium dioxide, macromolecule Huang
Virgin rubber powder, bonding agent and thixotropic agent, their weight percent are as follows: 50:80:9:33:14:14.
2. tunnel material spray according to claim 1, which is characterized in that the bonding agent is redispersible latex powder
XY-6010。
3. tunnel material spray according to claim 1, which is characterized in that the thixotropic agent is anti-settling thixotropic agent 6650R.
4. a kind of preparation method of tunnel material spray according to claim 1 to 3, which is characterized in that mainly include following
Step:
1) by weight percent be 33:14 macromolecule xanthan rubber powder and thixotropic agent be added power be 2.5KW 2t full-automatic dry
Stirring 5 minutes in powder mixing machine；
2) stop after the completion of step 1) 5 minutes, be then added again into the 2t full-automatic dry powder mixing machine feed opening that power is 2.5KW
Continue stirring 5 minutes with thixotropic agent weight percent for the bonding agent of 1:1；
3) 6t for power 5.5KW being added in white cement, silica flour and titanium dioxide that weight percent is 50:80:9 simultaneously is full-automatic
Stirring 15 minutes in dry powder blender；
4) 15 points will be stirred in the 6t full-automatic dry powder mixing machine in the mixing material being stirred in step 2) addition step 3)
Clock；
5) stop 10 minutes after the completion of step 4) to be produced, then mixing material obtained in step 4) adds 100 type full automatic weighings
Packing machine packaging, every inner wrapping are 15Kg；
6) packaged inner wrapping material spray is stacked on again on the pallet of big packaging 1t, then be put in storage with sealing film sealing, after 15 days
It can outbound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223736.XA CN109133807B (en) | 2018-10-19 | 2018-10-19 | A kind of tunnel material spray and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223736.XA CN109133807B (en) | 2018-10-19 | 2018-10-19 | A kind of tunnel material spray and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109133807A true CN109133807A (en) | 2019-01-04 |
| CN109133807B CN109133807B (en) | 2019-06-18 |
Family
ID=64809103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811223736.XA Expired - Fee Related CN109133807B (en) | 2018-10-19 | 2018-10-19 | A kind of tunnel material spray and preparation method thereof |
Country Status (1)
| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092047A (en) * | 2006-06-19 | 2007-12-26 | 淄博矿业集团有限责任公司 | Dry mixing gunite material in use for underworkings of coal mine, and preparation method |
| CN101723636A (en) * | 2009-12-19 | 2010-06-09 | 山西大学 | Coal mine underground coal bed waterproof paint |
| CN102976698A (en) * | 2012-09-29 | 2013-03-20 | 北京东方雨虹防水技术股份有限公司 | Flexible spray coating closed material for mine |
| CN103627136A (en) * | 2012-08-21 | 2014-03-12 | 山东固安特新材料科技股份有限公司 | Polymer foaming material used for filling and sealing coal mine |
-
2018
- 2018-10-19 CN CN201811223736.XA patent/CN109133807B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092047A (en) * | 2006-06-19 | 2007-12-26 | 淄博矿业集团有限责任公司 | Dry mixing gunite material in use for underworkings of coal mine, and preparation method |
| CN101723636A (en) * | 2009-12-19 | 2010-06-09 | 山西大学 | Coal mine underground coal bed waterproof paint |
| CN103627136A (en) * | 2012-08-21 | 2014-03-12 | 山东固安特新材料科技股份有限公司 | Polymer foaming material used for filling and sealing coal mine |
| CN102976698A (en) * | 2012-09-29 | 2013-03-20 | 北京东方雨虹防水技术股份有限公司 | Flexible spray coating closed material for mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109133807B (en) | 2019-06-18 |
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