CN109503016B - Method for using acrylate reinforced slurry with magnetic sensitive thickening effect - Google Patents
Method for using acrylate reinforced slurry with magnetic sensitive thickening effect Download PDFInfo
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- CN109503016B CN109503016B CN201811534026.9A CN201811534026A CN109503016B CN 109503016 B CN109503016 B CN 109503016B CN 201811534026 A CN201811534026 A CN 201811534026A CN 109503016 B CN109503016 B CN 109503016B
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- slurry
- grouting
- acrylate
- magnetic
- thickening effect
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- 239000002002 slurry Substances 0.000 title claims abstract description 39
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 title claims abstract description 24
- 230000000694 effects Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008719 thickening Effects 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 claims description 13
- 239000006249 magnetic particle Substances 0.000 claims description 13
- 238000004080 punching Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000003431 cross linking reagent Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000011083 cement mortar Substances 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical group CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 3
- CQHKDHVZYZUZMJ-UHFFFAOYSA-N [2,2-bis(hydroxymethyl)-3-prop-2-enoyloxypropyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(CO)COC(=O)C=C CQHKDHVZYZUZMJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- TXTCTCUXLQYGLA-UHFFFAOYSA-L calcium;prop-2-enoate Chemical compound [Ca+2].[O-]C(=O)C=C.[O-]C(=O)C=C TXTCTCUXLQYGLA-UHFFFAOYSA-L 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- DWLAVVBOGOXHNH-UHFFFAOYSA-L magnesium;prop-2-enoate Chemical compound [Mg+2].[O-]C(=O)C=C.[O-]C(=O)C=C DWLAVVBOGOXHNH-UHFFFAOYSA-L 0.000 claims description 3
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical group C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- -1 potassium ferricyanide Chemical group 0.000 claims description 3
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 8
- 239000004567 concrete Substances 0.000 abstract description 6
- 238000005728 strengthening Methods 0.000 abstract description 6
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 3
- 239000011440 grout Substances 0.000 description 7
- 239000011435 rock Substances 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010802 sludge 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The use method of the acrylate strengthening slurry with the magnetic sensitive thickening effect comprises the step of injecting the slurry into a damage position in a dam or a concrete crack to enable the slurry and a soil body or concrete at the designed leaking stoppage and seepage prevention or crack position to form a whole, and the whole is expanded to the periphery and is compacted to the periphery, so that the purposes of seepage prevention, leaking stoppage and strengthening are achieved. When cracks at different positions or soil geological conditions at positions needing seepage prevention are different, the viscosity of the slurry can be adjusted and changed through the magnetic fields with different external strengths, so that the grouting radius of the slurry is changed, the slurry can smoothly reach the designated grouting position, and further damage caused by infirm reinforcement is prevented.
Description
Technical Field
The invention belongs to the technical field of slurry for underground building construction, and particularly relates to a using method of acrylate reinforced slurry with a magnetic-sensitive thickening effect.
Background
With the development of economic construction in China, the open construction of energy mainly by hydraulic resources is in a high-speed construction period. Great amount of giant water conservancy projects are planned to be built in Jinshajiang river, Wujiang river, Dazhuan river, Yazhejiang river and the like in Yangtze river basin, and according to survey data analysis, the dry-branch geological conditions mostly have poor geological conditions such as rock fault, argillization interlayer and the like, so that the seepage-proofing curtain for building the water conservancy and hydropower project foundation has important significance.
The grouting method has the advantages of short reinforcing period, simple and convenient operation, small disturbance to surrounding soil, low investment and the like, and is widely applied to seepage-proofing engineering. The grouting process is complex and variable, grouting parameters such as grouting pressure, diffusion radius and the like are important factors influencing the grouting effect, wherein the determination of the diffusion radius is greatly related to the viscosity of grout, when soil bodies or rock bodies in the same area have different structures and grout with different fluidity is needed, the traditional grouting seepage-proofing technology only can re-allocate grout with different viscosity according to different geological conditions, which wastes time and money, so that how to adjust the fluidity, namely the viscosity degree, of grouting grout in the seepage-proofing reinforcing process is an urgent problem to be solved.
Disclosure of Invention
In order to solve the technical problems, the use method of the acrylate reinforced slurry with the magnetic-sensitive thickening effect provided by the invention can enable the grouting material and the reinforced body to form a stable composite framework when the slurry is used for construction, so that the bearing capacity of a rock body or a soil body is improved. And according to the difference of soil layer geological conditions, the slurry viscosity can be adjusted and changed by additionally adding magnetic fields with different strengths, so that the stability of a rock body or a soil body is ensured, and further damage is prevented.
The use method of the acrylate reinforced slurry with the magnetic sensitive thickening effect comprises the following steps:
step 1: firstly, determining a punching position according to a drawing, then positioning a drilling machine, punching and cleaning holes, finally inserting a grouting pipe, and reinforcing by using cement mortar;
step 2: weighing the following components in proportion: 3000 parts of magnetic particles 1500-;
and step 3: mixing the main agent, the cross-linking agent, the accelerator, the retarder and the solvent with each other, and continuously stirring to uniformly mix the main agent, the cross-linking agent, the accelerator, the retarder and the solvent to obtain a first solution for later use;
and 4, step 4: adding an initiator and magnetic particles into the solution A, and uniformly stirring to obtain acrylate reinforced slurry with a magnetic-sensitive thickening effect;
and 5: after the embedded grouting pipe reaches a certain strength, prepared acrylate reinforcing slurry flows into a position to be reinforced through the grouting pipe, and when the geological condition of a grouting position changes, a magnetic field with a certain strength is applied to the periphery of the grouting pipe to adjust the viscosity of the slurry, so that the grouting range is adjusted;
step 6: after grouting, the pipe orifice is closed, and cement mortar is used for leveling the grouting construction working surface.
In the use method of the acrylate reinforced slurry with the magnetic-sensitive thickening effect, the magnetic particles are multi-magnetic-domain material particles such as iron, cobalt, nickel and alloys thereof with the particle size of micron order, and the particle size is between 1 and 10 microns.
In the method for using the acrylate strengthening slurry with the magnetic sensitive thickening effect, the main agent is a mixture of magnesium acrylate and calcium acrylate.
In the use method of the acrylate strengthening slurry with the magnetic sensitive thickening effect, the cross-linking agent is N, N' -methylene bisacrylamide, ethylene glycol diacrylate or pentaerythritol diacrylate.
In the method for using the acrylate strengthening slurry with the magnetic sensitive thickening effect, the accelerant is tetramethylethylenediamine or triethanolamine.
In the method for using the acrylate strengthening slurry with the magnetic-sensitive thickening effect, the initiator is ammonium persulfate or potassium persulfate.
In the method of using the acrylate-reinforced slurry having a magnetic-sensitive thickening effect of the present invention, the solvent is water.
In the use method of the acrylate reinforced slurry with the magnetic sensitive thickening effect, the retarder is potassium ferricyanide.
The invention has reasonable formula design, low cost and simple preparation process, the obtained slurry has stable performance, good heat resistance and strong adhesive force, gel can be formed at low temperature, and the solidified gel has better stability and durability. Meanwhile, the viscosity of the slurry can be changed by adjusting the strength of the external magnetic field, so that the seepage-proofing reinforcement of rock masses or soil bodies under different geological conditions can be realized.
Detailed Description
The invention provides a using method of acrylate reinforced slurry with a magnetic-sensitive thickening effect, which comprises the following steps:
step 1: firstly, determining a punching position according to a drawing, then positioning a drilling machine, punching and cleaning holes, finally inserting a grouting pipe, and reinforcing by using cement mortar;
step 2: weighing the following components in proportion: 3000 parts of magnetic particles 1500-;
and step 3: mixing the main agent, the cross-linking agent, the accelerator, the retarder and the solvent with each other, and continuously stirring to uniformly mix the main agent, the cross-linking agent, the accelerator, the retarder and the solvent to obtain a first solution for later use;
and 4, step 4: adding an initiator and magnetic particles into the solution A, and uniformly stirring to obtain acrylate reinforced slurry with a magnetic-sensitive thickening effect;
and 5: after the embedded grouting pipe reaches a certain strength, prepared acrylate reinforcing slurry flows into a position to be reinforced through the grouting pipe, and when the geological condition of a grouting position changes, a magnetic field with a certain strength is applied to the periphery of the grouting pipe to adjust the viscosity of the slurry, so that the grouting range is adjusted;
step 6: after grouting, the pipe orifice is closed, and cement mortar is used for leveling the grouting construction working surface.
In specific implementation, the magnetic particles in step 2 are multi-magnetic domain material particles of iron, cobalt, nickel and alloys thereof with micron-sized particle size, and the particle size is between 1 and 10 microns. The main agent is a mixture of magnesium acrylate and calcium acrylate. The cross-linking agent is N, N' -methylene bisacrylamide, ethylene glycol diacrylate or pentaerythritol diacrylate. The accelerant is tetramethylethylenediamine or triethanolamine. The initiator is ammonium persulfate or potassium persulfate. The solvent is water. The retarder is potassium ferricyanide.
The present invention is further illustrated by the following examples.
Example 1: water seepage construction for concrete top plate of basement of building
Step 1: cleaning the field: cleaning objects in a water leakage range and removing an inner decoration layer so as to find a leakage part and leave a work place;
step 2: carefully searching cracks and seepage points of the concrete slab at a seepage position, opening the surface of the concrete at the seepage position by using a hammer, and observing a water source seepage path while punching so as to accurately open the surface layer of the concrete with water seepage;
and step 3: sealing the surface layer: cleaning sludge and muck on two sides of a crack, and sealing the surface layer of the crack by using cement mortar;
and 4, step 4: after the leakage part is chiseled, a larger leakage source is searched as much as possible, and then grouting pipes are buried according to a certain distance;
and 5: weighing the following components in proportion: 3000 parts of magnetic particles 1500-;
step 6: mixing the main agent, the cross-linking agent, the accelerator, the retarder and the solvent with each other, and continuously stirring to uniformly mix the main agent, the cross-linking agent, the accelerator, the retarder and the solvent to obtain a first solution for later use;
and 7: adding an initiator and magnetic particles into the solution A, and uniformly stirring to obtain acrylate reinforced slurry with a magnetic-sensitive thickening effect;
and 8: after the embedded grouting pipe reaches a certain strength, grouting is carried out according to the principle of gradual grouting from one end of the crack to the other end, prepared acrylate reinforcing grout is grouted into the crack of the leakage part from the grouting pipe by adopting a hand-press grouting pump, and the grouting pipe is sequentially closed until no grout is mixed; and maintaining the pressure for a period of time, and grouting the next grouting hole after the grout is solidified. When the geological conditions of the grouting part are changed, the viscosity of the slurry can be adjusted by applying a magnetic field with certain strength to the periphery of the grouting pipe;
and step 9: after grouting, the pipe orifice is closed, and cement mortar is used for leveling the grouting construction working surface.
Example 2: dam foundation curtain grouting construction
Step 1: firstly, the punching position is determined according to a drawing, the punching position is segmented, and the punching construction work is carried out in the segmentation mode.
Step 2: and (5) carrying out the punching construction of the first section, positioning the drilling machine in place and punching.
And step 3: and (3) adopting pressure water to flush and drill the cracks, ending the flushing of the drill holes until the backwater is clarified for 10min, then inserting the grouting pipes, and carrying out a pressurized water test in sections from top to bottom.
And 4, step 4: weighing the following components in proportion: 3000 parts of magnetic particles 1500-;
and 5: adding an initiator and magnetic particles into the solution A, and uniformly stirring to obtain acrylate reinforced slurry with a magnetic-sensitive thickening effect;
step 6: the prepared acrylate reinforced slurry is injected to a damaged part by adopting a grouting method of top-down, orifice sealing and hole internal circulation, pressure is applied from the outside, and when the geological conditions of a grouting part change, the viscosity of the slurry can be adjusted by applying a magnetic field with certain strength on the periphery of a grouting pipe, so that the grouting range is adjusted;
and 7: after grouting, sealing holes by adopting a full-hole grouting and sealing method;
and 8: and after the first section of grouting is finished, sequentially carrying out the next section of construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined by the appended claims.
Claims (1)
1. The use method of the acrylate reinforced slurry with the magnetic sensitive thickening effect is characterized by comprising the following steps:
step 1: firstly, determining a punching position according to a drawing, then positioning a drilling machine, punching and cleaning holes, finally inserting a grouting pipe, and reinforcing by using cement mortar;
step 2: weighing the following components in proportion: 3000 parts of magnetic particles 1500-;
and step 3: mixing the main agent, the cross-linking agent, the accelerator, the retarder and the solvent with each other, and continuously stirring to uniformly mix the main agent, the cross-linking agent, the accelerator, the retarder and the solvent to obtain a first solution for later use;
and 4, step 4: adding an initiator and magnetic particles into the solution A, and uniformly stirring to obtain acrylate reinforced slurry with a magnetic-sensitive thickening effect;
and 5: after the embedded grouting pipe reaches a certain strength, prepared acrylate reinforcing slurry flows into a position to be reinforced through the grouting pipe, and when the geological condition of a grouting position changes, a magnetic field with a certain strength is applied to the periphery of the grouting pipe to adjust the viscosity of the slurry, so that the grouting range is adjusted;
step 6: after grouting, sealing the pipe orifice, and leveling the grouting construction working surface by using cement mortar;
the magnetic particles are iron, cobalt, nickel and alloy multi-magnetic domain material particles with micron-sized particle sizes, and the particle sizes are 1-10 microns; the main agent is a mixture of magnesium acrylate and calcium acrylate; the cross-linking agent is N, N' -methylene bisacrylamide, ethylene glycol diacrylate or pentaerythritol diacrylate; the accelerant is tetramethylethylenediamine or triethanolamine; the initiator is ammonium persulfate or potassium persulfate; the solvent is water; the retarder is potassium ferricyanide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534026.9A CN109503016B (en) | 2018-12-14 | 2018-12-14 | Method for using acrylate reinforced slurry with magnetic sensitive thickening effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534026.9A CN109503016B (en) | 2018-12-14 | 2018-12-14 | Method for using acrylate reinforced slurry with magnetic sensitive thickening effect |
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| Publication Number | Publication Date |
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| CN109503016A CN109503016A (en) | 2019-03-22 |
| CN109503016B true CN109503016B (en) | 2021-08-27 |
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| CN111518528A (en) * | 2020-04-26 | 2020-08-11 | 中国海洋石油集团有限公司 | Plugging agent composition for oil well and preparation method thereof |
| CN113137081A (en) * | 2021-04-26 | 2021-07-20 | 中国建筑第八工程局有限公司 | Deformation joint acrylate grouting plugging construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1940453A (en) * | 2005-09-29 | 2007-04-04 | 鸿富锦精密工业（深圳）有限公司 | Hot pipe |
| CN101265048B (en) * | 2008-04-24 | 2011-02-09 | 北京朗巍时代科技有限责任公司 | Acrylate grouting liquid and preparation method thereof |
| CN104317350A (en) * | 2014-10-13 | 2015-01-28 | 上海大学 | Method for controlling flowing of magnetic liquid |
| CN108790578B (en) * | 2018-06-04 | 2021-06-29 | 杭州稚爱文化创意有限公司 | Magnetofluid sand painting system and preparation method thereof |
| CN108744551A (en) * | 2018-08-14 | 2018-11-06 | 云南科威液态金属谷研发有限公司 | A kind of multiple expression toy and production method based on magnetic fluid |
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Effective date of registration: 20240402 Address after: Room G0638, Changsha Zhongdian Software Park Headquarters Building, No. 39 Jianshan Road, High tech Development Zone, Changsha City, Hunan Province, 410000 Patentee after: Hunan Guze Construction Engineering Co.,Ltd. Country or region after: China Address before: 110168 No. 9 Hunnan East Road, Hunnan District, Shenyang City, Liaoning Province Patentee before: SHENYANG JIANZHU University Country or region before: China |