CN115028393A - Insulating spike anchoring agent and use method thereof - Google Patents
Insulating spike anchoring agent and use method thereof Download PDFInfo
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- CN115028393A CN115028393A CN202210578351.5A CN202210578351A CN115028393A CN 115028393 A CN115028393 A CN 115028393A CN 202210578351 A CN202210578351 A CN 202210578351A CN 115028393 A CN115028393 A CN 115028393A
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- 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
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- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- 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
- C04B2111/90—Electrical properties
- C04B2111/92—Electrically insulating materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- 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)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of railway tunnels and discloses an insulating spike anchoring agent which comprises the following raw materials in parts by weight: 30-50% of inorganic gel material, 8-15% of fiber product, 8-15% of nitride, 15% of mortar, 1-5% of curing agent, 3-15% of coarse aggregate and 5-20% of fine aggregate. The insulating spike anchoring agent is prepared by stirring and mixing inorganic gel materials, fiber products, nitrides, mortar, epoxy adhesives, curing agents, coarse aggregates and fine aggregates, has the characteristics of high hardness, high strength and micro-expansion, prevents stray current interference, obtains larger signal energy, can improve the fire-resistant and fire-resistant effects of the anchoring agent by utilizing the added fiber products and the nitrides, is convenient for cold operation construction, has no pollution to the environment, saves the heating procedure required during anchoring of the spike, avoids the possibility of generating cracks and reducing the service life of the spike due to local heating of concrete sleepers and bridge sleepers, and has higher anchoring tensile pull-out strength and good insulating property.
Description
Technical Field
The invention relates to the technical field of railway tunnels, in particular to an insulating spike anchoring agent and a using method thereof.
Background
The rail circuit is characterized in that a section of rail ground steel rail is used as a conducting wire, two ends of the rail ground steel rail are separated by insulating joints, and a middle rail gap is connected by the conducting wire to form an electric loop, so that the condition of a line is reflected, driving information is transmitted, and driving safety is guaranteed.
The spike anchoring agent is used as an important component of railway spike anchoring, on one hand, various mechanical properties are required to be provided for a steel rail, on the other hand, the spike anchoring agent has insulation performance, and the current market, such as the sulfur spike anchoring agent, has a complex construction process and potential safety hazard; the requirement on construction environment conditions is high, the steel rail is easily influenced by weather factors, harmful substances are produced in construction engineering, environment pollution is caused, the pulling resistance strength is improved to a certain extent compared with the standard, the insulating property is limited, and the interference of stray current on the signal transmission of the steel rail cannot be well avoided in a humid environment.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the insulating spike anchoring agent and the using method thereof, which have the advantages of improving insulativity and the like, and solve the problems that the construction process of the sulfur spike anchoring agent in the current market is complex and has potential safety hazards; the requirement on construction environment conditions is high, the steel rail is easily influenced by weather factors, harmful substances are produced in construction engineering, environment pollution is caused, the pulling resistance strength is improved to a certain extent compared with the standard, but the insulation performance is limited, and the problem that stray current can not well avoid the interference of the stray current on the signal transmission of the steel rail in a humid environment is solved.
(II) technical scheme
In order to achieve the purpose of improving the insulativity, the invention provides the following technical scheme: an insulating spike anchoring agent comprises the following raw materials in parts by weight: 30-50% of inorganic gel material, 8-15% of fiber product, 8-15% of nitride, 15% of mortar, 1-5% of curing agent, 3-15% of coarse aggregate and 5-20% of fine aggregate.
Preferably, the curing agent is an acid anhydride curing agent and an amine curing agent.
Preferably, the inorganic gel material is lime, cement, gypsum and the like.
Another technical problem to be solved by the present invention is to provide a method for using an insulating spike anchoring agent, comprising the following steps:
1) adding water into the prepared inorganic gel material, fiber products, nitride, mortar, a curing agent, coarse aggregate and fine aggregate according to a certain proportion, stirring, mechanically stirring for 1-2 hours, firstly adding a proper amount of water during manual stirring, stirring for 2-4 hours, then adding water, continuously stirring uniformly, and checking the internal raw materials in time after stirring by workers to avoid construction problems caused by insufficient uniformity of the raw materials, thereby preparing the insulating spike anchoring agent;
2) the cold operation construction has no pollution to the environment, a boiling and heating process is needed when the spike is anchored is omitted, cracks are avoided possibly generated due to local heating of concrete sleepers and bridge sleepers, the service life of the spike is shortened, the construction is allowed under the temperature environment of more than 10 ℃ below zero, the effect is good after 200 ten thousand times of fatigue tests, the anchoring tensile and drawing strength is higher, the insulating property is good, the anchoring effect is ensured, meanwhile, the stray current interference is prevented, and larger signal energy is obtained;
3) when the anchor is used, firstly, the spike needs to be subjected to insulation treatment, and oil stains and iron rust on the surface of the spike need to be removed: coating insulating paint on the outer surface below the fine screw thread of the spike, checking the coating quality after air drying, and repairing the coating on the part which is not coated or is too thin;
4) then, carrying out spike anchoring, removing pollutants in spike holes, filling an anchoring agent mixed by adding water into the spike holes, and tamping by using a tamping rod; the method comprises the steps of pressing a spike subjected to insulation treatment into a hole, sleeving the spike into a spike positioning plate to position the spike, then vibrating to compact an anchoring agent, and stressing when the hardened compressive strength of the anchoring agent is greater than 25 MPa, wherein generally the anchoring agent of the spike is subjected to hydration reaction after being added with water and is converted from a liquid state into a solid state, the conductivity is gradually reduced, the insulation performance is improved, and the hardened spike is a porous structure body in which conductive particles exist, although the conductive particles are blocked by an insulated cement matrix to form a barrier, the hydration reaction in the hardened material is still slow and lasting, when electrons obtain sufficient energy, the electrons cross the barrier and go from one conductor to another conductor, so that the conduction is formed, and the spike belongs to a poor conductor;
5) the prepared insulating spike anchoring agent is added with organic powder on the basis, the compactness is improved after hardening, the internal porosity is reduced, the conductive particles are isolated into an individual space and cut off a migration path to prevent current from being formed, meanwhile, a water repellent film is formed outside, and moisture and harmful ions are prevented from permeating into the substrate in a humid environment, so that the insulating spike anchoring agent has good insulating property;
6) covering the anchoring agent within 1-3 hours after anchoring, maintaining at a heat preservation temperature, wherein the heat preservation time is not less than 24 hours, and corresponding measures are taken when the exposed anchoring agent surface is not cracked or layered cracks are not generated during winter construction;
7) the anchoring agent should be stored in dry and cool place during packaging.
(III) advantageous effects
Compared with the prior art, the invention provides an insulating spike anchoring agent and a using method thereof, and the insulating spike anchoring agent has the following beneficial effects:
1. the insulating spike anchoring agent is prepared by stirring and mixing inorganic gel materials, fiber products, nitrides, mortar, epoxy adhesives, curing agents, coarse aggregates and fine aggregates, has the characteristics of high hardness, high strength and micro expansion, can improve the fire-resistant and fire-resistant effects of the anchoring agent by utilizing the added fiber products and the nitrides, is convenient for cold operation construction, has no pollution to the environment, omits a boiling and heating process when anchoring the spike, avoids the possibility of generating cracks due to local heating of a concrete sleeper and a bridge sleeper and reduces the service life of the spike, and has higher anchoring tensile strength and good insulating property.
2. The insulating spike anchoring agent and the use method thereof can prevent stray current interference while ensuring the anchoring effect, obtain larger signal energy, simultaneously add nothing during construction, add organic powder, improve compactness after hardening, reduce internal porosity, permeate capillary hole walls inside the base material and form a hydrophobic film on the capillary hole surface of the base material, isolate conductive particles into an individual space, cut off a migration path, cannot form current, and simultaneously form a water repellent film outside, prevent moisture and harmful ions from permeating into the base material in a humid environment, and have good insulating property.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows: an insulating spike anchoring agent comprises the following raw materials in parts by weight: 50% of inorganic gel material, 8% of fiber product, 8% of nitride, 15% of mortar, 1% of curing agent, 6% of coarse aggregate and 12% of fine aggregate; the curing agent is anhydride curing agent and amine curing agent, and the inorganic gel material is lime, cement, gypsum and the like.
1) Adding water into the prepared inorganic gel material, stirring for 1 hour through mechanical stirring, firstly adding a proper amount of water for stirring for 2-4 hours during manual stirring, then adding water for continuous uniform stirring, and performing timely inspection on the internal raw materials after stirring to avoid the construction problem caused by insufficient uniformity of the raw materials, thereby preparing the insulating spike anchoring agent;
2) the method has the advantages that cold operation construction is carried out, no pollution is caused to the environment, a boiling and heating process is needed when the spike is anchored is omitted, cracks are prevented from being possibly generated due to local heating of concrete sleepers and bridge sleepers, the service life of the spike is shortened, construction is allowed in an air temperature environment of more than 10 ℃ below zero, the effect is good after 200 ten thousand fatigue tests, the anchoring tensile and pulling strength is higher, the insulating property is good, the anchoring effect is guaranteed, meanwhile, stray current interference is prevented, and larger signal energy is obtained;
3) when the anchor is used, firstly, the spike needs to be subjected to insulation treatment, and oil stains and iron rust on the surface of the spike need to be removed: coating insulating paint on the outer surface below the fine screw thread of the spike, checking the coating quality after air drying, and repairing the coating on the part which is not coated or is too thin;
4) then, carrying out spike anchoring, removing pollutants in spike holes, filling an anchoring agent mixed by adding water into the spike holes, and tamping by using a tamping rod; pressing the spike subjected to insulation treatment into the hole, sleeving the spike positioning plate into the hole to position the spike positioning plate, then vibrating to compact the anchoring agent, and when the hardening compressive strength of the anchoring agent is greater than 25 MPa, the anchoring agent can be stressed, generally, the spike anchoring agent generates hydration reaction after being added with water, the hydration reaction is converted from liquid state to solid state, the conductivity is gradually reduced, the insulation performance is improved, the hardened spike anchoring agent is a porous structure body, and conductive particles still exist in the hardened spike anchoring agent, although the hardened spike anchoring agent is blocked by an insulated cement matrix to form a barrier, the hydration reaction in the hardened material is still slowly and durably generated, when electrons obtain sufficient energy, the electrons can cross the barrier, and one conductor goes to another conductor, so that the electricity is formed, and the spike positioning plate belongs to a poor conductor;
5) the prepared insulating spike anchoring agent is added with organic powder on the basis, the compactness is improved after hardening, the internal porosity is reduced, the organic powder penetrates through the capillary hole wall in the base material and forms a layer of hydrophobic film on the surface of the capillary hole of the base material, the conductive particles are isolated into an individual space, a migration path is cut off, current cannot be formed, meanwhile, a water repellent film is formed outside, and moisture and harmful ions are prevented from penetrating into the base material in a humid environment, so that the insulating spike anchoring agent has good insulating property;
6) covering the solid agent within 1 hour after anchoring, maintaining at a heat preservation temperature, wherein the heat preservation time is not less than 24 hours, and corresponding measures are taken when the exposed surface of the anchoring agent is not cracked or layered cracks are not generated during winter construction;
7) the anchoring agent should be stored in dry and cool place during packaging.
Example two: an insulating spike anchoring agent comprises the following raw materials in parts by weight: 40% of inorganic gel material, 10% of fiber product, 10% of nitride, 15% of mortar, 3% of curing agent, 8% of coarse aggregate and 14% of fine aggregate; the curing agent is anhydride curing agent and amine curing agent, and the inorganic gel material is lime, cement, gypsum and the like.
1) Adding water into the prepared inorganic gel material, stirring, mechanically stirring for 2 hours, firstly adding a proper amount of water during manual stirring, stirring for 4 hours, then adding water, continuously stirring uniformly, and performing timely inspection on the internal raw materials after stirring to avoid the construction problem caused by insufficient uniformity of the raw materials, thereby preparing the insulating spike anchoring agent;
2) the method has the advantages that cold operation construction is carried out, no pollution is caused to the environment, a boiling and heating process is needed when the spike is anchored is omitted, cracks are prevented from being possibly generated due to local heating of concrete sleepers and bridge sleepers, the service life of the spike is shortened, construction is allowed in an air temperature environment of more than 10 ℃ below zero, the effect is good after 200 ten thousand fatigue tests, the anchoring tensile and pulling strength is higher, the insulating property is good, the anchoring effect is guaranteed, meanwhile, stray current interference is prevented, and larger signal energy is obtained;
3) when the anchor is used, firstly, the spike needs to be subjected to insulation treatment, and oil stains and iron rust on the surface of the spike need to be removed: coating insulating paint on the outer surface below the fine threads of the spike, checking the coating quality after air drying, and repairing the coating on the part which is not coated or is too thin;
4) then, carrying out spike anchoring, removing pollutants in spike holes, filling an anchoring agent mixed by adding water into the spike holes, and tamping by using a tamping rod; pressing the spike subjected to insulation treatment into the hole, sleeving the spike positioning plate into the hole to position the spike positioning plate, then vibrating to compact the anchoring agent, and when the hardening compressive strength of the anchoring agent is greater than 25 MPa, the anchoring agent can be stressed, generally, the spike anchoring agent generates hydration reaction after being added with water, the hydration reaction is converted from liquid state to solid state, the conductivity is gradually reduced, the insulation performance is improved, the hardened spike anchoring agent is a porous structure body, and conductive particles still exist in the hardened spike anchoring agent, although the hardened spike anchoring agent is blocked by an insulated cement matrix to form a barrier, the hydration reaction in the hardened material is still slowly and durably generated, when electrons obtain sufficient energy, the electrons can cross the barrier, and one conductor goes to another conductor, so that the electricity is formed, and the spike positioning plate belongs to a poor conductor;
5) the prepared insulating spike anchoring agent is added with organic powder on the basis, the compactness is improved after hardening, the internal porosity is reduced, the conductive particles are isolated into an individual space and cut off a migration path to prevent current from being formed, meanwhile, a water repellent film is formed outside, and moisture and harmful ions are prevented from permeating into the substrate in a humid environment, so that the insulating spike anchoring agent has good insulating property;
6) covering the solid agent within 2 hours after anchoring, maintaining at a heat preservation state, wherein the heat preservation time is not less than 24 hours, and corresponding measures are taken when the surface of the exposed anchoring agent is not cracked or layered cracks are not generated during winter construction;
7) the anchoring agent should be stored in dry and cool place during packaging.
Example three: an insulating spike anchoring agent comprises the following raw materials in parts by weight: 30% of inorganic gel material, 15% of fiber product, 15% of nitride, 15% of mortar, 5% of curing agent, 10% of coarse aggregate and 10% of fine aggregate; the curing agent is anhydride curing agent and amine curing agent, and the inorganic gel material is lime, cement, gypsum and the like.
1) Adding water into the prepared inorganic gel material, stirring, mechanically stirring for 1.5 hours, adding a proper amount of water during manual stirring, stirring for 3 hours, adding water, continuously stirring uniformly, and checking the internal raw materials in time after stirring to avoid the construction problem caused by insufficient uniformity of the raw materials, thereby preparing the insulating spike anchoring agent;
2) the method has the advantages that cold operation construction is carried out, no pollution is caused to the environment, a boiling and heating process is needed when the spike is anchored is omitted, cracks are prevented from being possibly generated due to local heating of concrete sleepers and bridge sleepers, the service life of the spike is shortened, construction is allowed in an air temperature environment of more than 10 ℃ below zero, the effect is good after 200 ten thousand fatigue tests, the anchoring tensile and pulling strength is higher, the insulating property is good, the anchoring effect is guaranteed, meanwhile, stray current interference is prevented, and larger signal energy is obtained;
3) when the anchor is fixed, firstly need carry out insulating treatment to the spike, will clear away greasy dirt and the iron rust on spike surface: coating insulating paint on the outer surface below the fine screw thread of the spike, checking the coating quality after air drying, and repairing the coating on the part which is not coated or is too thin;
4) then, carrying out spike anchoring, removing pollutants in spike holes, filling an anchoring agent mixed by adding water into the spike holes, and tamping by using a tamping rod; pressing the spike subjected to insulation treatment into the hole, sleeving the spike positioning plate into the hole to position the spike positioning plate, then vibrating to compact the anchoring agent, and when the hardening compressive strength of the anchoring agent is greater than 25 MPa, the anchoring agent can be stressed, generally, the spike anchoring agent generates hydration reaction after being added with water, the hydration reaction is converted from liquid state to solid state, the conductivity is gradually reduced, the insulation performance is improved, the hardened spike anchoring agent is a porous structure body, and conductive particles still exist in the hardened spike anchoring agent, although the hardened spike anchoring agent is blocked by an insulated cement matrix to form a barrier, the hydration reaction in the hardened material is still slowly and durably generated, when electrons obtain sufficient energy, the electrons can cross the barrier, and one conductor goes to another conductor, so that the electricity is formed, and the spike positioning plate belongs to a poor conductor;
5) the prepared insulating spike anchoring agent is added with organic powder on the basis, the compactness is improved after hardening, the internal porosity is reduced, the organic powder penetrates through the capillary hole wall in the base material and forms a layer of hydrophobic film on the surface of the capillary hole of the base material, the conductive particles are isolated into an individual space, a migration path is cut off, current cannot be formed, meanwhile, a water repellent film is formed outside, and moisture and harmful ions are prevented from penetrating into the base material in a humid environment, so that the insulating spike anchoring agent has good insulating property;
6) covering the solid agent within 3 hours after anchoring, maintaining at a heat preservation temperature, wherein the heat preservation time is not less than 24 hours, and corresponding measures are taken when the surface of the exposed anchoring agent is not cracked or layered cracks are not generated during winter construction;
7) the anchoring agent should be stored in dry and cool place during packaging.
Judging a standard; the preparation can be carried out according to the proportion, the fire resistance and the insulativity are tested after the preparation, and then the scheme with excellent insulativity and fire resistance is selected for construction according to the actual construction requirement.
The invention has the beneficial effects that: the insulating spike anchoring agent is prepared by stirring and mixing inorganic gel materials, fiber products, nitrides, mortar, epoxy adhesives, curing agents, coarse aggregates and fine aggregates, has the characteristics of high hardness, high strength and micro expansion, can improve the fire-resistant and fire-resistant effects of the anchoring agent by utilizing the added fiber products and the nitrides, is convenient for cold operation construction, has no pollution to the environment, omits a boiling and heating process when anchoring the spike, avoids the possibility of generating cracks due to local heating of a concrete sleeper and a bridge sleeper and reduces the service life of the spike, and has higher anchoring tensile strength and good insulating property.
The insulating spike anchoring agent and the use method thereof can prevent stray current interference while ensuring the anchoring effect, obtain larger signal energy, simultaneously add nothing during construction, add organic powder, improve compactness after hardening, reduce internal porosity, permeate capillary hole walls inside the base material and form a hydrophobic film on the capillary hole surface of the base material, isolate conductive particles into an individual space, cut off a migration path, cannot form current, and simultaneously form a water repellent film outside, prevent moisture and harmful ions from permeating into the base material in a humid environment, and have good insulating property.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An insulating spike anchoring agent is characterized by comprising the following raw materials in parts by weight: 30-50% of inorganic gel material, 8-15% of fiber product, 8-15% of nitride, 15% of mortar, 1-5% of curing agent, 3-15% of coarse aggregate and 5-20% of fine aggregate.
2. The insulating spike anchoring agent of claim 1, wherein the curing agent is an acid anhydride curing agent and an amine curing agent.
3. The insulating spike anchoring agent of claim 1, wherein the inorganic gel material is lime, cement, gypsum, or the like.
4. The use method of the insulating spike anchoring agent is characterized by comprising the following steps:
1) adding water into the prepared inorganic gel material, fiber products, nitride, mortar, a curing agent, coarse aggregate and fine aggregate according to a certain proportion, stirring, mechanically stirring for 1-2 hours, firstly adding a proper amount of water during manual stirring, stirring for 2-4 hours, then adding water, continuously stirring uniformly, and checking the internal raw materials in time after stirring by workers to avoid construction problems caused by insufficient uniformity of the raw materials, thereby preparing the insulating spike anchoring agent;
2) the method has the advantages that cold operation construction is carried out, no pollution is caused to the environment, a boiling and heating process is needed when the spike is anchored is omitted, cracks are prevented from being possibly generated due to local heating of concrete sleepers and bridge sleepers, the service life of the spike is shortened, construction is allowed in an air temperature environment of more than 10 ℃ below zero, the effect is good after 200 ten thousand fatigue tests, the anchoring tensile and pulling strength is higher, the insulating property is good, the anchoring effect is guaranteed, meanwhile, stray current interference is prevented, and larger signal energy is obtained;
3) when the anchor is used, firstly, the spike needs to be subjected to insulation treatment, and oil stains and iron rust on the surface of the spike need to be removed: coating insulating paint on the outer surface below the fine screw thread of the spike, checking the coating quality after air drying, and repairing the coating on the part which is not coated or is too thin;
4) then, carrying out spike anchoring, removing pollutants in spike holes, filling an anchoring agent mixed by adding water into the spike holes, and tamping by using a tamping rod; pressing the spike subjected to insulation treatment into the hole, sleeving the spike positioning plate into the hole to position the spike positioning plate, then vibrating to compact the anchoring agent, and when the hardening compressive strength of the anchoring agent is greater than 25 MPa, the anchoring agent can be stressed, generally, the spike anchoring agent generates hydration reaction after being added with water, the hydration reaction is converted from liquid state to solid state, the conductivity is gradually reduced, the insulation performance is improved, the hardened spike anchoring agent is a porous structure body, and conductive particles still exist in the hardened spike anchoring agent, although the hardened spike anchoring agent is blocked by an insulated cement matrix to form a barrier, the hydration reaction in the hardened material is still slowly and durably generated, when electrons obtain sufficient energy, the electrons can cross the barrier, and one conductor goes to another conductor, so that the electricity is formed, and the spike positioning plate belongs to a poor conductor;
5) the prepared insulating spike anchoring agent is added with organic powder on the basis, the compactness is improved after hardening, the internal porosity is reduced, the conductive particles are isolated into an individual space and cut off a migration path to prevent current from being formed, meanwhile, a water repellent film is formed outside, and moisture and harmful ions are prevented from permeating into the substrate in a humid environment, so that the insulating spike anchoring agent has good insulating property;
6) covering the anchoring agent within 1-3 hours after anchoring, maintaining at a heat preservation temperature, wherein the heat preservation time is not less than 24 hours, and corresponding measures are taken when the exposed anchoring agent surface is not cracked or layered cracks are not generated during winter construction;
7) the anchoring agent should be stored in dry and cool place during packaging.
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| CN202210578351.5A CN115028393A (en) | 2022-05-26 | 2022-05-26 | Insulating spike anchoring agent and use method thereof |
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| CN101219874A (en) * | 2008-01-28 | 2008-07-16 | 潍坊市大元实业有限公司 | Screw spike anchoring agent |
| CN103614954A (en) * | 2013-11-08 | 2014-03-05 | 沈阳铁路局小屯轨枕水泥厂 | Method for anchoring railroad sleeper screw spike at normal temperature |
| CN104058650A (en) * | 2014-05-29 | 2014-09-24 | 安徽华塑股份有限公司 | Heat-resistant fiber concrete and preparation method thereof |
| CN105218011A (en) * | 2015-10-15 | 2016-01-06 | 北京中铁润海科技有限公司 | A kind of anchorage mortar and using method thereof |
| CN112551971A (en) * | 2020-11-27 | 2021-03-26 | 重庆交通大学 | Epoxy emulsion modified self-compacting concrete material with controllable performance development path |
| CN114057994A (en) * | 2021-12-15 | 2022-02-18 | 科兰建筑材料（马鞍山）有限公司 | Epoxy curing agent, epoxy polymer mortar and preparation methods thereof |
-
2022
- 2022-05-26 CN CN202210578351.5A patent/CN115028393A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219874A (en) * | 2008-01-28 | 2008-07-16 | 潍坊市大元实业有限公司 | Screw spike anchoring agent |
| CN103614954A (en) * | 2013-11-08 | 2014-03-05 | 沈阳铁路局小屯轨枕水泥厂 | Method for anchoring railroad sleeper screw spike at normal temperature |
| CN104058650A (en) * | 2014-05-29 | 2014-09-24 | 安徽华塑股份有限公司 | Heat-resistant fiber concrete and preparation method thereof |
| CN105218011A (en) * | 2015-10-15 | 2016-01-06 | 北京中铁润海科技有限公司 | A kind of anchorage mortar and using method thereof |
| CN112551971A (en) * | 2020-11-27 | 2021-03-26 | 重庆交通大学 | Epoxy emulsion modified self-compacting concrete material with controllable performance development path |
| CN114057994A (en) * | 2021-12-15 | 2022-02-18 | 科兰建筑材料（马鞍山）有限公司 | Epoxy curing agent, epoxy polymer mortar and preparation methods thereof |
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