CN116558916A - Sealing material for mortar anti-seepage pressure detection and preparation and use methods thereof - Google Patents
Sealing material for mortar anti-seepage pressure detection and preparation and use methods thereof Download PDFInfo
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- CN116558916A CN116558916A CN202310356889.6A CN202310356889A CN116558916A CN 116558916 A CN116558916 A CN 116558916A CN 202310356889 A CN202310356889 A CN 202310356889A CN 116558916 A CN116558916 A CN 116558916A
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- 239000003566 sealing material Substances 0.000 title claims abstract description 122
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000004575 stone Substances 0.000 claims abstract description 56
- 239000000843 powder Substances 0.000 claims abstract description 54
- 239000000835 fiber Substances 0.000 claims abstract description 53
- 239000002245 particle Substances 0.000 claims abstract description 44
- 239000004576 sand Substances 0.000 claims abstract description 42
- 235000014121 butter Nutrition 0.000 claims abstract description 41
- 238000002474 experimental method Methods 0.000 claims abstract description 38
- 239000010920 waste tyre Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims description 74
- 238000003825 pressing Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 16
- 239000002274 desiccant Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 235000019738 Limestone Nutrition 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000010438 granite Substances 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920006231 aramid fiber Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- 238000004140 cleaning Methods 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 239000012188 paraffin wax Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 10
- 239000004568 cement Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/04—Investigating osmotic effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a sealing material for mortar anti-seepage pressure detection and a preparation and use method thereof, relating to the technical field of building material performance detection and comprising the following components in percentage by mass: 10-15 parts of waste tire particles, 30-50 parts of machine-made sand, 15-30 parts of stone powder, 20-30 parts of industrial butter and 1-3 parts of organic fibers; the industrial butter in the sealing material has a waterproof effect; the waste tire particles, machine-made sand and stone powder are matched in thickness; the waste tire particles and the organic fibers have toughening and coating effects. The sealing material for mortar anti-seepage pressure detection in the prior art has the advantages that the sealing effect is poor, the sealing requirement of the high anti-seepage pressure mortar product detection experiment can not be met, the use and preparation method is complex, the cleaning is difficult after the experiment is finished, the repeated use and long-term storage can not be realized, and the like. The sealing material has the advantages of reusability, long-term storage, simple operation, low cost, easy cleaning after the experiment is finished, and the like.
Description
Technical Field
The invention relates to the technical field of building material performance detection, in particular to a sealing material for mortar anti-seepage pressure detection and a preparation and use method thereof.
Background
Various mortar products are widely used on various buildings such as factories, houses and warehouses to solve the problem of crack water seepage of the buildings, and the impermeability is widely used as an important inspection item in daily detection of building waterproof material products, such as dry-mixed common waterproof mortar, wet-mixed common waterproof mortar, polymer mortar, inorganic waterproof plugging materials and the like. Under higher impervious pressure, the impervious pressure test process of waterproof mortar often causes insufficient sealing between a mortar test piece and an impervious test sleeve die, thereby seriously affecting the accuracy of the test. At present, sealing materials are not explicitly adopted in mortar products and method standards such as JGJ/T70-2009, JC/T984-2011, GB/T23440-2009, JC/T474-2008 and the like. The problem of sealing between the mortar test piece and the anti-seepage experiment sleeve die in the mortar anti-seepage pressure detection becomes a technical problem facing the building material detection industry. The sealing materials adopted in the actual mortar impermeability experiment include paraffin, cement processing industry butter, rubber sleeve and the like. These conventional sealing materials have poor sealing effects and have the following disadvantages:
the following drawbacks are associated with paraffin seals: 1) The paraffin is heated to generate the gas which stimulates the toxicity and causes certain injury to operators; 2) The preheating temperature of the sleeve die is difficult to control, if the temperature is too high, paraffin is melted and lost, if the temperature is too low, paraffin is insufficiently melted, the cooled paraffin is brittle, the paraffin can fall off and split due to the pressure of the test piece entering the die, and meanwhile, the paraffin cannot adhere to the inner wall of the anti-seepage experiment sleeve die, so that the sealing effect is lost; 3) And the number of the common impervious samples is large, the operability of the preheating sleeve die is not strong, and the efficiency is low.
Aiming at the grease of the cement processing industry as a sealing material, the sealing material has the advantages of strong operability, easy cleaning after the experiment is finished, and the like, but also has the following problems: 1) When the water pressure is high, the butter of the cement processing industry is easy to squeeze out from the edge to cause edge water seepage, so that the sealing effect is not achieved; 2) The butter in the cement processing industry is not easy to preserve under the conventional condition, and is easy to generate hydration reaction with moisture in the air.
For the rubber boot sealing material, there are the following problems: 1) The requirements on the sizes of the test piece and the anti-seepage test sleeve die are extremely strict, the test piece is crushed by slightly deviating, in addition, after the test piece is sleeved by the rubber sleeve, the test piece is extruded into the anti-seepage test sleeve die by external force, and as long as the surface of the test piece and the inner wall of the anti-seepage test sleeve die are not smooth enough, the rubber sleeve is extremely easy to crush, so that the sealing effect is not achieved; 2) The price of the rubber sleeve on the market at present is 5-8 yuan/one; the cost of the rubber sleeve required by a group of samples is 30-48 yuan, the cost is high, and the resources are wasted; 3. because the rubber sleeve is compressed by extruding purely by external force to achieve the sealing effect, the test piece and the anti-seepage experimental sleeve die are tightly extruded, and the demolding is difficult.
In addition, the patent technology with the publication number of CN201910406083 and the patent name of sealing material for concrete and mortar impermeability test discloses modified asphalt, a preparation method and application thereof, and provides the sealing material for concrete and mortar impermeability test; the patent technology with publication number of CN202011625366 and patent name of sealing material for impervious test of fly ash machine-made sand mortar discloses a sealing material for impervious test of fly ash machine-made sand mortar.
The mortar impervious sealing material disclosed by the patent technology has the advantages that although the mortar impervious sealing material has a certain sealing effect, the sealing requirement of a high impervious pressure mortar product detection experiment cannot be met, the problems that the curing of glue is required to influence the timeliness of the experiment, the preparation and use methods are complex and difficult to operate, the cleaning is difficult after the experiment is finished, the repeated use is impossible, the cost is high and the like exist, so that the mortar impervious sealing material cannot be used in the practical experiment.
Disclosure of Invention
The invention aims at: the invention provides a sealing material for mortar anti-seepage pressure detection and a preparation and use method thereof, and aims to solve the technical problems that the existing mortar anti-seepage sealing material is poor in sealing effect, complex in use method, difficult to operate, difficult to clean after the experiment is finished, incapable of being reused and high in cost. The sealing material for the mortar experiment has the advantages of good sealing effect, capability of meeting the sealing requirement of the high-impermeability pressure mortar product detection experiment, convenience in cleaning after the experiment is finished, simplicity in using method, reusability and long-term preservation.
The invention adopts the following technical scheme for realizing the purposes:
the invention provides a sealing material for mortar anti-seepage pressure detection, which comprises the following components in parts by mass: 10-15 parts of waste tire particles, 30-50 parts of machine-made sand, 15-30 parts of stone powder, 20-30 parts of industrial butter and 1-3 parts of organic fibers.
Further, the sealing material comprises the following components in percentage by mass: 15 parts of waste tire particles, 45 parts of machine-made sand, 18 parts of stone powder, 21 parts of industrial butter and 1 part of organic fiber.
Further, the sealing material comprises the following components in percentage by mass: 10 parts of waste tire particles, 30 parts of machine-made sand, 15 parts of stone powder, 20 parts of industrial butter and 1 part of organic fiber.
Further, the sealing material comprises the following components in percentage by mass: 15 parts of waste tire particles, 50 parts of machine-made sand, 30 parts of stone powder, 30 parts of industrial butter and 3 parts of organic fibers.
Further, the grain size distribution of the machine-made sand is between 0.075mm and 0.6mm, and the fineness modulus of the machine-made sand is between 1.2 and 1.8.
Further, the particle size distribution of the waste tire particles is between 0.3mm and 0.6 mm.
Further, the stone powder is one or more of basalt stone powder, granite stone powder or limestone stone powder, preferably the basalt stone powder; the particle diameter of the stone powder is less than or equal to 0.075mm, and the specific surface area of the stone powder is 300m 2 /kg～500m 2 Between/kg.
Further, the organic fiber is one of polyethylene fiber, polypropylene fiber, polyacrylonitrile fiber, aramid fiber or polyvinyl alcohol fiber, the length of the organic fiber is not more than 25mm and not less than 10mm, and the length-diameter ratio of the organic fiber is between 30:1 and 50:1.
The invention also provides a preparation and use method of the sealing material for detecting the seepage-resistant pressure of the mortar, which comprises the following steps:
s1, preparing raw materials: weighing the following components in parts by weight: 10-15 parts of waste tire particles, 30-50 parts of machine-made sand, 15-30 parts of stone powder, 20-30 parts of industrial butter and 1-3 parts of organic fibers;
s2, preparing a sealing material: firstly, uniformly mixing the waste tire particles, the machine-made sand, the stone powder and the organic fibers prepared in the step S1 to obtain a dry mixture, and then adding industrial butter into the dry mixture to uniformly mix and stir to obtain a sealing material;
s3, using a sealing material: uniformly pressing and coating the sealing material obtained in the step S2 on the surface of a to-be-tested mortar test piece and the inner side of an anti-seepage experiment sleeve mold, and filling the to-be-tested mortar test piece into the anti-seepage experiment sleeve mold for anti-seepage experiment;
s4, recycling sealing materials: after the impermeability test is finished, scraping the sealing materials on the surface of the mortar test piece and the inner side of the impermeability test cover die into a sealing container filled with a drying agent, and uniformly stirring the sealing materials after the drying agent completely absorbs moisture brought in the impermeability test process to realize sealing material recovery.
Further, in the step S3, the thickness of the pressing coating is 0.6-0.8 mm, the mortar test piece to be tested is placed into the anti-seepage experiment sleeve die, the pressing compaction is applied, sealing materials overflowing from the upper edge and the lower edge of the mortar test piece to be tested in the pressing compaction process are scraped clean, and then an anti-seepage experiment is carried out.
The beneficial effects of the invention are as follows:
1. the waste tire particles, machine-made sand, stone powder and organic fibers in the sealing material can not react with water, and the industrial butter has the waterproof effect to form an oil film on the surfaces of all the components, so that the sealing material has good waterproof and impervious properties as a whole, can be repeatedly used and can be stored for a long time.
2. The bonding effect of industrial butter and the anti-sedimentation layering effect of organic fibers in the sealing material ensure that all components are adhered, and the sealing material has good uniformity as a whole; the machine-made sand, the stone powder and the waste tire particles are matched in thickness, so that the mutual filling effect is achieved; the organic fiber and the waste tire particles have the functions of toughening and inhibiting microcracks; under osmotic pressure, the machine-made sand, stone powder, waste tire particles and organic fibers are mutually embedded and extruded, and the organic fibers and the waste tire particles can generate certain deformation, so that the machine-made sand, stone powder, waste tire particles and organic fibers have a coating effect, and the overall compactness and tightness are improved; the five raw materials are combined to prepare the sealing material with excellent sealing capability.
3. The sealing material has no side leakage phenomenon in the whole process of increasing the impervious pressure to 2.0MPa and maintaining the pressure for 2 hours, completely meets and exceeds the sealing requirement of the standard medium mortar impervious test, effectively solves the problems that the sealing effect of the traditional mortar impervious sealing material is poor, the sealing requirement of the high impervious pressure mortar product detection test cannot be met, the preparation and use methods are complex, the test is difficult to clean and cannot be stored for a long time after the test is finished, and has the advantages of repeated use, long-term storage, simple operation, low cost, easy cleaning after the test is finished and the like.
Drawings
FIG. 1 is a flow chart of a process for preparing and using a sealing material for detecting the seepage-resistant pressure of mortar.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Example 1
The invention provides a sealing material for mortar impermeability pressure detection, which comprises the following components in percentage by mass: 15 parts of waste tire particles, 45 parts of machine-made sand, 18 parts of stone powder, 21 parts of industrial butter and 1 part of organic fiber.
Wherein, the waste tire particles are prepared by mechanically crushing and screening waste tires, and the particle size distribution is between 0.3mm and 0.6 mm; the grain diameter of the machine-made sand is distributed between 0.075mm and 0.6mm, and the fineness modulus is 1.6; the stone powder is basalt stone powder with the grain diameter less than or equal to 0.075mm and the specific surface area of 353m 2 /kg; the organic fiber is polyethylene fiber, the length of the fiber is not more than 25mm and not less than 10mm, and the length-diameter ratio is between 30:1 and 50:1.
The preparation and use method of the sealing material comprises the following steps:
s1, preparing raw materials: weighing the following components in parts by weight: 15 parts of waste tire particles, 45 parts of machine-made sand, 18 parts of stone powder, 21 parts of industrial butter and 1 part of organic fiber;
s2, preparing a sealing material: firstly, uniformly mixing the waste tire particles, the machine-made sand, the stone powder and the organic fibers prepared in the step S1 to obtain a dry mixture, and then adding industrial butter into the dry mixture to uniformly mix and stir to obtain a sealing material;
s3, using a sealing material: uniformly pressing and coating the sealing material obtained in the step S2 on the surface of a to-be-tested mortar test piece and the inner side of an anti-seepage experiment sleeve mold, wherein the thickness of the pressing and coating is 0.6-0.8 mm, loading the to-be-tested mortar test piece into the anti-seepage experiment sleeve mold, applying pressure to press and densify, scraping the sealing material overflowed from the upper edge and the lower edge of the to-be-tested mortar test piece in the pressing and densifying process, and then performing an anti-seepage experiment;
s4, recycling sealing materials: after the impermeability test is finished, scraping the sealing materials on the surface of the mortar test piece and the inner side of the impermeability test cover die into a sealing container filled with a drying agent, and uniformly stirring the sealing materials after the drying agent completely absorbs moisture brought in the impermeability test process to realize sealing material recovery.
Example 2
The invention provides a sealing material for mortar impermeability pressure detection, which comprises the following components in percentage by mass: 10 parts of waste tire particles, 30 parts of machine-made sand, 15 parts of stone powder, 20 parts of industrial butter and 1 part of organic fiber.
Wherein, the waste tire particles are prepared by mechanically crushing and screening waste tires, and the particle size distribution is between 0.3mm and 0.6 mm; the grain diameter of the machine-made sand is distributed between 0.075mm and 0.6mm, and the fineness modulus is 1.6; the stone powder is limestone powder with the particle diameter less than or equal to 0.075mm and the specific surface area of 452m 2 /kg; the organic fiber is polypropylene fiber, the length of the fiber is not more than 25mm and not less than 10mm, and the length-diameter ratio is between 30:1 and 50:1.
The preparation and use method of the sealing material comprises the following steps:
s1, preparing raw materials: weighing 10 parts of waste tire particles, 30 parts of machine-made sand, 15 parts of stone powder, 20 parts of industrial butter and 1 part of organic fiber according to the parts by mass;
s2, preparing a sealing material: firstly, uniformly mixing the waste tire particles, the machine-made sand, the stone powder and the organic fibers prepared in the step S1 to obtain a dry mixture, and then adding industrial butter into the dry mixture to uniformly mix and stir to obtain a sealing material;
s3, using a sealing material: uniformly pressing and coating the sealing material obtained in the step S2 on the surface of a to-be-tested mortar test piece and the inner side of an anti-seepage experiment sleeve mold, wherein the thickness of the pressing and coating is 0.6-0.8 mm, loading the to-be-tested mortar test piece into the anti-seepage experiment sleeve mold, applying pressure to press and densify, scraping the sealing material overflowed from the upper edge and the lower edge of the to-be-tested mortar test piece in the pressing and densifying process, and then performing an anti-seepage experiment;
s4, recycling sealing materials: after the impermeability test is finished, scraping the sealing materials on the surface of the mortar test piece and the inner side of the impermeability test cover die into a sealing container filled with a drying agent, and uniformly stirring the sealing materials after the drying agent completely absorbs moisture brought in the impermeability test process to realize sealing material recovery.
Example 3
The invention provides a sealing material for mortar impermeability pressure detection, which comprises the following components in percentage by mass: 15 parts of waste tire particles, 50 parts of machine-made sand, 30 parts of stone powder, 30 parts of industrial butter and 3 parts of organic fibers.
Wherein, the waste tire particles are prepared by mechanically crushing and screening waste tires, and the particle size distribution is between 0.3mm and 0.6 mm; the grain diameter of the machine-made sand is distributed between 0.075mm and 0.6mm, and the fineness modulus is 1.6; the stone powder is granite powder with the grain diameter less than or equal to 0.075mm and the specific surface area of 398m 2 /kg; the organic fiber is polyacrylonitrile fiber, the length of the fiber is not more than 25mm and not less than 10mm, and the length-diameter ratio is between 30:1 and 50:1.
The preparation and use method of the sealing material comprises the following steps:
s1, preparing raw materials: weighing the following components in parts by weight: 15 parts of waste tire particles, 50 parts of machine-made sand, 30 parts of stone powder, 30 parts of industrial butter and 3 parts of organic fibers;
s2, preparing a sealing material: firstly, uniformly mixing the waste tire particles, the machine-made sand, the stone powder and the organic fibers prepared in the step S1 to obtain a dry mixture, and then adding industrial butter into the dry mixture to uniformly mix and stir to obtain a sealing material;
s3, using a sealing material: uniformly pressing and coating the sealing material obtained in the step S2 on the surface of a to-be-tested mortar test piece and the inner side of an anti-seepage experiment sleeve mold, wherein the thickness of the pressing and coating is 0.6-0.8 mm, loading the to-be-tested mortar test piece into the anti-seepage experiment sleeve mold, applying pressure to press and densify, scraping the sealing material overflowed from the upper edge and the lower edge of the to-be-tested mortar test piece in the pressing and densifying process, and then performing an anti-seepage experiment;
s4, recycling sealing materials: after the impermeability test is finished, scraping the sealing materials on the surface of the mortar test piece and the inner side of the impermeability test cover die into a sealing container filled with a drying agent, and uniformly stirring the sealing materials after the drying agent completely absorbs moisture brought in the impermeability test process to realize sealing material recovery.
Comparative example 1
The sealing material is paraffin.
Comparative example 2
The sealing material is cement processing industry butter, cement: industry butter (mass ratio) =75:25.
Comparative example 3
The sealing material consists of stone powder and industrial butter, wherein the stone powder is the industrial butter (mass ratio) =75:25.
Comparative example 4
The sealing material consists of machine-made sand, stone powder and industrial butter, wherein the machine-made sand is stone powder, the industrial butter is prepared from the following materials (mass ratio)
＝54:21:25。
Wherein the grain diameter of the machine-made sand is distributed between 0.075mm and 0.6mm, and the fineness modulus is 1.6; the stone powder is basalt stone powder with the grain diameter less than or equal to 0.075mm and the specific surface area of 353m 2 /kg；
The sealing effect of the anti-seepage experiment is compared as follows:
experiments show that the sealing materials prepared in the examples 1-3 are used as sealing materials for detecting the impervious pressure of mortar, the impervious pressure is added to 1.5MPa according to the standard requirement, the pressure is stabilized for 2 hours, and no side leakage phenomenon exists in each group of 6 test pieces. After the impervious pressure is increased to 1.5MPa and stabilized for 2 hours, the pressure is continuously increased to 2.0MPa and stabilized for 2 hours, and no side leakage phenomenon occurs in each group of 6 test pieces. The sealing materials in the embodiments 1 to 3 meet and exceed the standard requirements, the sealing success rate is 100%, and the method has the advantages of simplicity in operation, low cost, easiness in cleaning after the experiment is finished and the like. In comparative example 1, paraffin was used as a sealing material, and when the anti-seepage pressure was raised to 0.6MPa according to the standard requirement, side leakage occurred at the paraffin at the edges of the 6 mortar test pieces, indicating that the paraffin sealing did not meet the standard requirement. In comparative example 2, cement and industrial butter are used as sealing materials, and when the impervious pressure is increased to 1.0MPa according to the standard requirement, the sealing materials at the edges of 6 mortar test pieces are extruded so as to infiltrate water, which indicates that the butter in the cement processing industry does not meet the standard requirement. In the comparative example 3, stone powder and industrial butter are used as sealing materials, and when the impervious pressure is increased to 1.0MPa according to the standard requirement, 4 sealing materials in 6 mortar test pieces are extruded to infiltrate water, which indicates that the stone powder processing industry butter does not meet the standard requirement; since stone dust has an advantage of not generating hydration reaction when encountering moisture in the air compared with cement, comparative example 3 has an advantage of being preserved for a long time compared with comparative example 2, and can be preserved for more than one year in a room. Comparative example 4 uses machine-made sand, stone dust and industrial butter as sealing materials, and when the impermeability is raised to 1.2MPa according to standard requirements, sealing materials are extruded at 3 edges of 6 mortar test pieces to permeate water, which indicates that the combination of stone dust, machine-made sand and industrial butter does not meet the standard requirements.
The repeated use effect is as follows:
examples 1-3 sealing materials on the surface of a mortar test piece and the inner side of a bush of an anti-seepage test are scraped into a sealing container filled with a drying agent after the anti-seepage test is finished, and the sealing materials are uniformly stirred after the drying agent completely absorbs moisture brought in the anti-seepage test process, so that the sealing material recovery is completed. As a result of carrying out an anti-seepage experiment by using the sealing materials recovered in examples 1 to 3, it was found that the sealing materials recovered in examples 1 to 3 were used as sealing materials for testing the anti-seepage pressure of mortar, and the anti-seepage pressure was programmed to 1.5MPa and stabilized for 2 hours according to the standard requirements, and no side leakage phenomenon was observed in each group of 6 test pieces. After the impervious pressure is increased to 1.5MPa and stabilized for 2 hours, the pressure is continuously increased to 2.0MPa and stabilized for 2 hours, and no side leakage phenomenon occurs in each group of 6 test pieces. The results demonstrate that the sealing materials prepared in examples 1 to 3 can be reused.
Table 1 shows the components and mass ratios of the sealing materials of examples 1 to 3
| Raw material composition | Example 1 | Example 2 | Example 3 |
| Discarded tire particles | 15 | 12 | 10 |
| Machine-made sand | 45 | 42 | 38 |
| Stone powder | 18 | 21 | 23 |
| Organic fiber | 1 | 2 | 3 |
| Industrial butter | 21 | 23 | 26 |
Claims (10)
1. The sealing material for mortar anti-seepage pressure detection is characterized by comprising the following components in percentage by mass: 10-15 parts of waste tire particles, 30-50 parts of machine-made sand, 15-30 parts of stone powder, 20-30 parts of industrial butter and 1-3 parts of organic fibers.
2. The sealing material for mortar permeation resistance pressure detection according to claim 1, wherein the sealing material comprises the following components in mass ratio: 15 parts of waste tire particles, 45 parts of machine-made sand, 18 parts of stone powder, 21 parts of industrial butter and 1 part of organic fiber.
3. The sealing material for mortar permeation resistance pressure detection according to claim 1, wherein the sealing material comprises the following components in mass ratio: 10 parts of waste tire particles, 30 parts of machine-made sand, 15 parts of stone powder, 20 parts of industrial butter and 1 part of organic fiber.
4. The sealing material for mortar permeation resistance pressure detection according to claim 1, wherein the sealing material comprises the following components in mass ratio: 15 parts of waste tire particles, 50 parts of machine-made sand, 30 parts of stone powder, 30 parts of industrial butter and 3 parts of organic fibers.
5. The sealing material for mortar impermeability pressure detection according to claim 1, wherein the grain size distribution of the machine-made sand is between 0.075mm and 0.6mm, and the fineness modulus of the machine-made sand is between 1.2 and 1.8.
6. The sealing material for mortar permeation resistance pressure detection according to claim 1, wherein the particle size distribution of the waste tire particles is between 0.3mm and 0.6 mm.
7. The sealing material for mortar anti-seepage pressure detection according to claim 1, wherein the stone powder is one or more of basalt stone powder, granite stone powder or limestone stone powder, the particle size of the stone powder is less than or equal to 0.075mm, and the specific surface area of the stone powder is 300m 2 /kg～500m 2 Between/kg.
8. The sealing material for mortar anti-seepage pressure detection according to claim 1, wherein the organic fiber is one of polyethylene fiber, polypropylene fiber, polyacrylonitrile fiber, aramid fiber or polyvinyl alcohol fiber, the length of the organic fiber is not more than 25mm and not less than 10mm, and the length-diameter ratio of the organic fiber is between 30:1 and 50:1.
9. A method for preparing and using the sealing material for mortar anti-seepage pressure detection, which is characterized by comprising the following steps:
s1, preparing raw materials: weighing the following components in parts by weight: 10-15 parts of waste tire particles, 30-50 parts of machine-made sand, 15-30 parts of stone powder, 20-30 parts of industrial butter and 1-3 parts of organic fibers;
s2, preparing a sealing material: firstly, uniformly mixing the waste tire particles, the machine-made sand, the stone powder and the organic fibers prepared in the step S1 to obtain a dry mixture, and then adding industrial butter into the dry mixture to uniformly mix and stir to obtain a sealing material;
s3, using a sealing material: uniformly pressing and coating the sealing material obtained in the step S2 on the surface of a to-be-tested mortar test piece and the inner side of an anti-seepage experiment sleeve mold, and filling the to-be-tested mortar test piece into the anti-seepage experiment sleeve mold for anti-seepage experiment;
s4, recycling sealing materials: after the impermeability test is finished, scraping the sealing materials on the surface of the mortar test piece and the inner side of the impermeability test cover die into a sealing container filled with a drying agent, and uniformly stirring the sealing materials after the drying agent completely absorbs moisture brought in the impermeability test process to realize sealing material recovery.
10. The method for preparing and using the sealing material for the mortar anti-seepage pressure detection according to claim 9, wherein in the step S3, the thickness of the pressing coating is 0.6-0.8 mm, the mortar test piece to be detected is put into a sleeve mold of an anti-seepage experiment and is pressed tightly by applying pressure, the sealing material overflowed from the upper edge and the lower edge of the mortar test piece to be detected in the pressing compaction process is scraped completely, and then the anti-seepage experiment is carried out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310356889.6A CN116558916A (en) | 2023-04-06 | 2023-04-06 | Sealing material for mortar anti-seepage pressure detection and preparation and use methods thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310356889.6A CN116558916A (en) | 2023-04-06 | 2023-04-06 | Sealing material for mortar anti-seepage pressure detection and preparation and use methods thereof |
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|---|---|---|---|
| CN202310356889.6A Pending CN116558916A (en) | 2023-04-06 | 2023-04-06 | Sealing material for mortar anti-seepage pressure detection and preparation and use methods thereof |
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| Country | Link |
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| CN (1) | CN116558916A (en) |
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- 2023-04-06 CN CN202310356889.6A patent/CN116558916A/en active Pending
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