CN107165014B - replaceable filter element type water permeable brick and preparation method thereof - Google Patents
replaceable filter element type water permeable brick and preparation method thereof Download PDFInfo
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- CN107165014B CN107165014B CN201710489743.3A CN201710489743A CN107165014B CN 107165014 B CN107165014 B CN 107165014B CN 201710489743 A CN201710489743 A CN 201710489743A CN 107165014 B CN107165014 B CN 107165014B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/04—Pavings made of prefabricated single units made of bricks
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to the technical field of permeable bricks, in particular to a filter element replaceable permeable brick and a preparation method thereof, and the permeable brick comprises a brick body, wherein a mounting hole is arranged in the brick body, a permeable filter element is detachably mounted in the mounting hole, the mounting hole penetrates through the brick body, the upper surface of the permeable filter element is level to the upper surface of the brick body, and the permeable filter element with high permeability is detachably mounted in a high-strength impermeable brick body; through the optimization such as selection, the design of mix proportion, optimization preparation technology to the filter core material make the filter core that permeates water when intensity reaches the requirement, can satisfy the requirement of whole brick to the osmotic coefficient equally, it is effectual to permeate water to have, simple structure, and production low in manufacturing cost is convenient for advantage such as later maintenance.
Description
Technical Field
The invention relates to the technical field of water permeable bricks, in particular to a replaceable filter element type water permeable brick and a preparation method thereof.
Background
With the vigorous push of the country to the pace of sponge city construction, the transformation of old cities and the new pavement of sidewalks have widely adopted water permeable bricks, which have good water permeability, moisture retention, noise reduction and sound absorption properties, but the flexural strength and compressive strength of the bricks are still insufficient compared with those of the traditional water impermeable walking bricks. The brick that permeates water that uses on a large scale now mainly has cement base brick, ceramic sintering brick that permeates water, three types of brick that permeates water of sand base, though these three types of bricks can both play and alleviate surface runoff, replenish groundwater, alleviate city heat island effect etc. and do not play, nevertheless along with the extension of live time, the passageway that originally plays the effect of permeating water all inevitably can be blockked up by the dust of accumulation, silt, wash the mediation difficulty moreover, original performance can not obtain the assurance, has lost the meaning of sponge.
in order to solve the above problems, long-term research has been conducted in the industry, and some water permeable brick products have been developed, for example, chinese patent publication No. CN105948816A discloses a water permeable brick, in which microwave curing treatment is performed on a water permeable brick preform, and the change of the temperature rise speed is adjusted by controlling the temperature rise acceleration, so that the structure in the water permeable brick preform is microscopically compact during the heating process, and the subsequent control of the temperature fall acceleration is combined and the gaps in the water permeable brick are increased, so that the water permeability of the water permeable brick is increased, and at the same time, the density and the breaking and compression strength of the water permeable brick can be increased, however, the invention has the following disadvantages: firstly, when the water permeable brick is damaged, the whole water permeable brick can only be replaced, so that later maintenance is inconvenient; secondly, the manufacturing process of the water permeable brick is complex, and the manufacturing cost is relatively high.
Disclosure of Invention
Aiming at the problems, the invention provides the replaceable filter element type water permeable brick and the preparation method thereof, and the replaceable filter element type water permeable brick has the advantages of good water permeable effect, simple structure, low production and manufacturing cost, convenience for later maintenance and the like.
in order to achieve the purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a can replace filter element formula brick that permeates water, includes the brick body, this internal mounting hole that is equipped with of brick, detachably installs the filter core that permeates water in the mounting hole, the mounting hole link up in the brick body, the filter core upper surface that permeates water with brick body upper surface looks keep level.
According to the technical scheme, the brick body is provided with a plurality of guide grooves, and the guide grooves are communicated with the mounting holes. Through the arrangement, water flow is guided and discharged from the water-impermeable brick body to the interior of the water-permeable filter element without obstacles by the guide grooves, so that the water-permeable effect is greatly enhanced, and the urban road drainage effect is better.
According to the technical scheme, the height of the inner end of the diversion trench is lower than that of the outer end of the diversion trench. Set up like this, can pass through the guiding gutter is followed rivers lead to on the brick body to the filter core permeates water avoids the road surface to produce the ponding condition, strengthens drainage effect.
the implementation of the replaceable filter element type water permeable brick and the preparation method thereof has the following beneficial effects:
1. According to the invention, the high-permeability water-permeable filter element is detachably arranged in the high-strength water-impermeable brick body, and when the water-permeable effect is not good enough or the water-permeable filter element is damaged, the new water-permeable filter element can be replaced to enhance the water-permeable effect. Through the optimization such as selection, the design of mix proportion, optimization preparation technology to the filter core material make the filter core that permeates water when intensity reaches the requirement, can satisfy the requirement of whole brick to the osmotic coefficient equally, it is effectual to permeate water to have, simple structure, and production low in manufacturing cost is convenient for advantage such as later maintenance.
2. according to the invention, the impervious brick body with high strength is combined with the pervious filter element with high permeability, and the pervious filter element can meet the requirement of the whole brick on the permeability coefficient while the strength meets the requirement through the optimization of the selection of filter element materials, the design of mixing proportion, the optimized preparation process and the like; the replaceable part playing the role of the filter element can be made of cement-based, sand-based, composite sand-based, ceramic-based and other materials, can be selected according to the waterproof brick body part matched with the replaceable part during specific use, and can also be selected according to design requirements, cost control and other factors.
drawings
Fig. 1 is a schematic structural diagram of the replaceable filter element type water permeable brick of the invention.
1. A brick body; 11. mounting holes; 2. a water permeable filter element; 3. a diversion trench; 31. an inner end; 32. an outer end.
Detailed Description
The technical solution of the present invention is described below with reference to the accompanying drawings and examples.
As shown in fig. 1, the replaceable filter element type water permeable brick of the invention comprises a brick body 1, a mounting hole 11 is arranged in the brick body 1, a water permeable filter element 2 is detachably mounted in the mounting hole 11, the mounting hole 11 penetrates through the brick body 1, and the upper surface of the water permeable filter element 2 is level with the upper surface of the brick body 1. By detachably installing the water permeable filter element 2 having high permeability inside the water impermeable brick body 1 having high strength, when the water permeable effect is not good enough or the water permeable filter element 2 is damaged, the water permeable filter element 2 can be replaced with a new one to enhance the water permeable effect. Through the optimization such as selection, the design of mix proportion, optimization preparation technology to the filter core material make the filter core that permeates water when intensity reaches the requirement, can satisfy the requirement of whole brick to the osmotic coefficient equally, it is effectual to permeate water to have, simple structure, and production low in manufacturing cost is convenient for advantage such as later maintenance.
Specifically, a plurality of guide grooves 3 are arranged on the brick body 1, and the guide grooves 3 are communicated with the mounting holes 11. Discharge in accessible drainage to mounting hole 11 from water-tight brick body 1 through guiding gutter 3 with rivers, strengthened the effect of permeating water greatly, make urban road drainage effect better.
Furthermore, the height of the inner end of the diversion trench is lower than that of the outer end. Lead through the guiding gutter with rivers from the brick body and drain to the filter core that permeates water, avoid the road surface to produce the ponding condition, reinforcing drainage effect.
The water permeable brick with the replaceable filter element embedded structure can be prepared by the following steps:
Firstly, preparing a water-impermeable part brick body 1. The cement, the coarse aggregate, the fine aggregate, the admixture and the like are uniformly mixed by adding water and are molded in a mold or molded by adopting a brick press. The mold is a band-pass hole type of grass planting-like brick, the ratio of the area of the through hole to the area of the impervious brick body 1 is about 10-35%, and the shape of the through hole is determined according to the design requirement and is mostly a regular geometric shape.
And secondly, preparing a water permeable filter element 2. The cement-based filter element takes quartz sand, broken stone, heavy slag and the like with the particle size of 1-8mm as aggregate, and is uniformly mixed with cementing materials, additives and the like by adding water for later use. The sand-based filter element takes quartz sand, broken stone, heavy slag and the like with the particle size of 2-5mm as aggregate, epoxy resin, diluent, curing agent, other auxiliary agents and the like are uniformly mixed, then the aggregate is added for mixing, and after the aggregate is completely and uniformly coated with the cementing material, the sand-based filter element is kept stand for later use. The ceramic-based filter core takes polished brick particles, lower polished brick particles and clay particles as aggregates, and is uniformly mixed with adhesive, fluxing agent, glass water and the like for later use. The materials can adopt a whole body cement base, a whole body sand base, a sand base composite material and a ceramic base according to the customer or the design requirement. And (3) putting the materials into a brick pressing and vibrating machine for molding, wherein the shape and the size of a molding bin and a pressing head of the brick machine are processed in advance according to design requirements.
The following examples measure the split tensile strength and water permeability coefficient of the water permeable bricks according to the method specified in JC/T945-2005.
the first embodiment is as follows:
The preparation of the permeable brick with the cement-based replaceable filter element embedded structure is carried out according to the following steps:
firstly, preparing a water-impermeable part brick body 1 according to a forming system of a common standard brick. The remaining through holes are reserved according to the design requirements. The maintenance system is carried out according to the production requirements of the common standard bricks.
Secondly, preparing the cement-based permeable filter element 2: weighing 80 parts of ordinary portland cement, 20 parts of sulphoaluminate cement, 0.3 part of water reducing agent and 18 parts of water, stirring until the cement paste becomes uniform cement paste with viscous feeling, and then adding dry quartz sand with the particle size of 5-8mm, wherein the mass ratio of the cement paste to the dry quartz sand is as follows: 1:4, uniformly mixing until cement paste fully wraps the quartz sand particles.
And thirdly, feeding the material obtained in the second step into a bin of a brick pressing and vibrating machine, and discharging the material into a circular die which is processed according to design requirements in advance through a conveying belt, wherein the diameter of the circular die is 10 cm. After initial pressing and re-pressing to the designed thickness (which is slightly lower than the thickness of the brick body 1 in the step I), stacking and maintaining are carried out after the brick body is pushed out by a chain transmission tray, the maintaining time is determined according to the temperature and the humidity, water is sprayed once a day in an environment of 25 ℃, and the brick body can be packed and stacked after 3 days.
and fourthly, placing the permeable filter element 2 prepared in the second step and the third step into the brick body 1 prepared in the first step to obtain the cement-based permeable brick with the replaceable filter element embedded structure.
When the water permeable brick with the composite structure prepared in the first embodiment is detected according to JC/T945-2005, gaps between the brick body 1 and the water permeable filter element 2 can be filled with grouting material with the strength grade of C50 and maintained for 7 days, and then the water permeable brick is tested, so that the minimum value of the single block of the splitting tensile strength of the water permeable brick is 3.2Mpa, the average value of the splitting tensile strength of the water permeable brick is 4.1Mpa and reaches fts 4.0.0, and the water permeability coefficient of the water permeable brick is 1.7 multiplied by 10 -2 cm/s and reaches the grade B water permeability grade.
Example two:
The preparation of the permeable brick with the composite sand-based replaceable filter element embedded structure is carried out according to the following steps:
Firstly, preparing a water-impermeable part brick body 1 according to a forming system of a common standard brick. The remaining through holes are reserved according to the design requirements. The maintenance system is carried out according to the production requirements of the common standard bricks.
Secondly, preparing a base layer of the composite sand-based water permeable filter element 2: weighing 95 parts of ordinary portland cement, 5 parts of silica powder, 0.3 part of water reducer, 0.5 part of rubber powder and 20 parts of water, stirring until the cement paste becomes uniform cement paste with viscous feeling, and then adding separated heavy slag with the particle size of 4-6mm, wherein the mass ratio of the cement paste to the heavy slag is as follows: 1:3.5, and uniformly mixing until cement paste fully wraps the heavy slag particles.
thirdly, preparing a surface layer of the composite sand-based water-permeable filter element 2: weighing 70 parts of E44 epoxy resin, 8 parts of diluent, 2 parts of coupling agent and 20 parts of alicyclic polyamine curing agent, uniformly stirring to form colloid, adding 1500 parts of quartz sand with the particle size of 3-5mm, and standing for 0.5h for later use after the quartz sand is completely and uniformly coated with the cementing material.
And fourthly, putting the base material obtained in the second step into a bin of a brick pressing and vibrating machine, and discharging the base material into a circular die which is processed according to design requirements in advance through a conveying belt, wherein the diameter of the circular die is 10 cm. After initial pressing, the surface layer materials in the third step are uniformly distributed in a surface material push plate bin, the surface layer materials are re-pressed to the designed thickness (the thickness is slightly lower than that of the brick body 1 in the first step), the surface layer materials are pushed out through a chain transmission tray and then are maintained (the surface layer materials can be stacked after 1 day), the maintenance time is determined according to the temperature and the humidity, and the surface layer materials can be packed and stacked after 3 days in an environment at 25 ℃.
And fifthly, placing the water permeable filter elements 2 prepared in the second, third and fourth steps into the brick body 1 prepared in the first step to obtain the composite sand-based water permeable brick with the replaceable filter element embedded structure.
when the water permeable brick with the composite structure prepared in the second embodiment is detected according to JC/T945-2005, the gaps between the brick body 1 and the water permeable filter element 2 can be filled with grouting material with the strength grade of C50 and maintained for 7 days, and then the test shows that the single block of the water permeable brick with the composite structure has the minimum value of 3.3Mpa, the average value of 4.3Mpa and the water permeability coefficient of fts 4.0.0 and reaches the B-grade water permeability grade with the water permeability coefficient of 1.2 multiplied by 10 -2 cm/s.
the filter element replaceable water permeable brick comprises a brick body 1, wherein a mounting hole 11 is formed in the brick body 1, a water permeable filter element 2 is detachably mounted in the mounting hole 11, the mounting hole 11 penetrates through the brick body 1, the upper surface of the water permeable filter element 2 is flush with the upper surface of the brick body 1, and the water permeable brick body 1 with high strength and the water permeable filter element 2 with high permeability are combined, so that when the water permeable effect is not good enough or the water permeable filter element 2 is damaged, a new water permeable filter element 2 can be replaced to enhance the water permeable effect. Make the filter core 2 that permeates water after optimizing through selection, the design of mix proportion, the optimization preparation technology to the filter core material, when intensity reaches the requirement, can satisfy the requirement of whole brick to the osmotic coefficient equally, have the advantage such as effectual, simple structure that permeates water, production low in manufacturing cost, the later maintenance of being convenient for.
while the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention.
Claims (3)
1. The filter element replaceable water permeable brick is characterized by comprising a brick body (1), wherein a mounting hole (11) is formed in the brick body (1), a water permeable filter element (2) is detachably mounted in the mounting hole (11), the mounting hole (11) penetrates through the brick body (1), the upper surface of the water permeable filter element (2) is level to the upper surface of the brick body (1), a plurality of flow guide grooves (3) are formed in the brick body (1), the flow guide grooves (3) are communicated with the mounting hole (11), and the height of inner ends (31) of the flow guide grooves (3) is lower than that of outer ends (32); the water permeable filter element (2) is a cement-based water permeable filter element or a composite sand-based water permeable filter element;
The preparation method of the cement-based permeable filter element comprises the following steps: weighing 80 parts of ordinary portland cement, 20 parts of sulpho-alumina cement, 0.3 part of water reducing agent and 18 parts of water, stirring to form cement paste, adding dry quartz sand with the particle size of 5-8mm, uniformly mixing until the cement paste fully wraps the quartz sand particles, then placing the mixture into a forming die, carrying out primary pressing and secondary pressing to the designed thickness, and stacking and maintaining;
The preparation method of the composite sand-based water permeable filter element comprises the following steps:
Preparing a base layer of the composite sand-based permeable filter element, weighing 95 parts of ordinary portland cement, 5 parts of silica powder, 0.3 part of a water reducing agent, 0.5 part of rubber powder and 20 parts of water, stirring to form cement paste, adding separated heavy slag with the particle size of 4-6mm, and uniformly mixing until the cement paste fully wraps the heavy slag particles;
Preparing a surface layer of the composite sand-based water-permeable filter element: weighing 70 parts of epoxy resin, 8 parts of diluent, 2 parts of coupling agent and 20 parts of alicyclic polyamine curing agent, uniformly stirring until colloidal colloid is formed, adding quartz sand with the particle size of 3-5mm, and standing for later use after the quartz sand is completely and uniformly coated with the cementing material;
And (3) conveying the base layer of the composite sand-based water-permeable filter element into a forming die, uniformly distributing a surface layer of the composite sand-based water-permeable filter element on the surface of the base layer after initial pressing, re-pressing to the designed thickness, and stacking and maintaining.
2. a method for preparing the replaceable filter element type water permeable brick of claim 1, comprising the following steps:
Firstly, manufacturing a brick body with a mounting hole;
preparing a cement-based water permeable filter element, weighing 80 parts of ordinary portland cement, 20 parts of sulpho-alumina cement, 0.3 part of a water reducing agent and 18 parts of water, stirring to form cement paste, adding dry quartz sand with the particle size of 5-8mm, uniformly mixing until the cement paste fully wraps quartz sand particles, then placing the quartz sand particles into a forming die, carrying out primary pressing and re-pressing to the designed thickness, and stacking and maintaining;
and thirdly, placing the water permeable filter element prepared in the second step into the brick body prepared in the first step to obtain the filter element replaceable water permeable brick.
3. A method for preparing the replaceable filter element type water permeable brick of claim 1, comprising the following steps:
Firstly, manufacturing a brick body with a mounting hole;
Secondly, preparing a base layer of the composite sand-based permeable filter element, weighing 95 parts of ordinary portland cement, 5 parts of silica powder, 0.3 part of a water reducing agent, 0.5 part of rubber powder and 20 parts of water, stirring to form cement paste, adding separated heavy slag with the particle size of 4-6mm, and uniformly mixing until the cement paste fully wraps the heavy slag particles;
Thirdly, preparing a surface layer of the composite sand-based water-permeable filter element: weighing 70 parts of epoxy resin, 8 parts of diluent, 2 parts of coupling agent and 20 parts of alicyclic polyamine curing agent, uniformly stirring until colloidal colloid is formed, adding quartz sand with the particle size of 3-5mm, and standing for later use after the quartz sand is completely and uniformly coated with the cementing material;
Fourthly, feeding the base material obtained in the second step into a forming die, uniformly distributing the surface material obtained in the third step on the surface of the base material after primary pressing, re-pressing the base material to a designed thickness, and stacking and maintaining the base material;
And fifthly, placing the water permeable filter element prepared in the step four into the brick body prepared in the step one to obtain the filter element replaceable water permeable brick.
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| CN107759172A (en) * | 2017-11-09 | 2018-03-06 | 安徽工业大学 | A kind of aqueous epoxy resins are modified pervious concrete material |
| CN110228964A (en) * | 2019-07-16 | 2019-09-13 | 武乡县泓晨万聚环保科技有限公司 | A kind of sand base water-permeable brick and its production method |
| CN111673882B (en) * | 2020-06-19 | 2021-05-21 | 厦门美益绿建科技有限公司 | Preparation method of high-strength cement-based water permeable brick |
| CN113481786A (en) * | 2021-07-14 | 2021-10-08 | 杨鹏程 | Environment-friendly permeable brick |
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| CN2402714Y (en) * | 2000-01-24 | 2000-10-25 | 石家庄市园林建筑工程处 | Ecological greening permeable brick |
| KR20100000736U (en) * | 2008-07-15 | 2010-01-25 | 궁전콘크리트(주) | Block having a water permeability and retentivity |
| KR101025765B1 (en) * | 2010-05-27 | 2011-04-04 | 석성기업주식회사 | Water permeablity block coated with photocatalyst cultivating microorganisms |
| CN205152740U (en) * | 2015-10-15 | 2016-04-13 | 亿利资源集团有限公司 | Road surface is with brick that permeates water |
| CN105330246A (en) * | 2015-10-29 | 2016-02-17 | 合肥正拓装饰材料有限公司 | Composite water permeable brick having anti-bacterial effect |
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