CN111946020A - Construction method of ground virgin pulp large-particle terrazzo - Google Patents
Construction method of ground virgin pulp large-particle terrazzo Download PDFInfo
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- CN111946020A CN111946020A CN201910413210.6A CN201910413210A CN111946020A CN 111946020 A CN111946020 A CN 111946020A CN 201910413210 A CN201910413210 A CN 201910413210A CN 111946020 A CN111946020 A CN 111946020A
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- 239000002245 particle Substances 0.000 title claims abstract description 101
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 239000004575 stone Substances 0.000 claims abstract description 52
- 210000000805 cytoplasm Anatomy 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 87
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 29
- 238000000227 grinding Methods 0.000 claims description 27
- 239000004568 cement Substances 0.000 claims description 23
- 239000010432 diamond Substances 0.000 claims description 23
- 229910003460 diamond Inorganic materials 0.000 claims description 23
- 239000002994 raw material Substances 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000005498 polishing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 8
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229910052625 palygorskite Inorganic materials 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000010438 granite Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 235000019738 Limestone Nutrition 0.000 claims description 4
- 239000006028 limestone Substances 0.000 claims description 4
- 239000004579 marble Substances 0.000 claims description 4
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims description 3
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 description 8
- 238000009499 grossing Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
- E04F15/126—Terrazzo floors
-
- 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
-
- 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
- C04B2111/60—Flooring materials
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Road Paving Structures (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses a construction method of a ground protoplasm large-particle terrazzo. The invention discloses a construction method of ground protoplasm large-particle terrazzo, which is characterized in that large-particle stones are scattered on the surface of a concrete layer, the concrete layer is flattened by a roller and then is polished to form an integral seamless protoplasm large-particle natural stone-like surface, namely the ground protoplasm large-particle terrazzo.
Description
Technical Field
The invention relates to the technical field of terrazzo, in particular to a construction method of ground virgin pulp large-particle terrazzo.
Background
Along with the development of the building industry and the improvement of aesthetic concepts of people, the requirements on building decoration materials are higher and higher, and the terrazzo occupies a great building market by the advantages of low manufacturing cost, attractive appearance, convenience in construction, no influence on the mechanical performance of construction and the like.
In the traditional terrazzo preparation process, aggregates such as broken stones, glass, quartz stones and the like are mixed into a cement binder to prepare a concrete product, and then the concrete product is subjected to surface grinding and polishing. During the period, an inorganic binder or an organic binder is needed, the binding effect of the inorganic binder is poor, and the phenomena of falling off and layer falling can occur for a long time; the organic binder is easy to pollute the environment and influence the life health of human beings.
Therefore, the construction method of the terrazzo with ground pulp and large particles is developed by improving the traditional terrazzo construction method to reduce the use of the binder, realize the purposes of saving resources and improving the environment.
Chinese patent CN109293319A discloses a terrazzo wall and a preparation method thereof. The invention takes cement, pebbles, metakaolin, sand, a water reducing agent, a curing agent, an expanding agent and water as raw materials to form a polishable layer, thereby obtaining the concrete ground with the terrazzo effect and improving the aesthetic property and the strength performance of the ground. The results of the examples also show that the strength performance of the terrazzo ground in the scheme reaches more than 70MPa, but in the invention, the terrazzo wall is more cured in the preparation process, the operation is complex and the energy consumption is higher.
Chinese patent CN109456022A discloses an integral seamless terrazzo material, which comprises the following raw materials in percentage by mass: white portland cement: 15% -25%; low alkali sulphoaluminate cement: 6 to 10 percent; anhydrous gypsum: 1% -4%; natural (or sintered) aggregate: 50% -80%; redispersible latex powder: 1% -4%; iron-based toner: 0% -4%; other auxiliary agents: 0 to 3 percent. The terrazzo is processed according to the proportion, so that the selected range of the construction thickness is large, the leveling property is good, and the paving construction speed is high; after the surface is solidified and polished, the gloss can reach more than 75Gu, the Mohs hardness can reach 5-7, and the terrazzo material has the characteristics of dust prevention, skid resistance, no cracking, no shrinkage deformation, no dust generation, high cleanliness and the like, can be applied to the requirements of high-cleanness environments such as food, hospitals, pharmacy, chip manufacturing and the like, but has the defects of poor stability, low gloss and no aesthetic feeling after long-term use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a construction method of a terrazzo with ground raw pulp large particles, and can solve the problems that in the existing preparation and construction process of terrazzo materials, more materials are used, resources cannot be reasonably utilized, and the process steps are complex.
In order to solve the technical problems, the invention adopts the following technical scheme:
a construction method of a ground protoplasm large-particle terrazzo is characterized by comprising the following steps:
step one, after preparation work is done, paving a layer of concrete on the surface of a roadbed or a floor, vibrating and flattening the concrete by using a flat vibrator to obtain a concrete layer with the thickness of 5 cm-8 cm, standing for 1.5 hours-2.0 hours, and waiting for initial setting of the concrete layer; wherein each vibration time is 25-35 seconds;
secondly, when the surface of the concrete layer is initially set in the first step, large-particle stones are scattered on the surface of the concrete layer, the concrete layer is kept stand for 5-10 minutes, then the surface of the concrete layer containing the large-particle stones is pulled, pressed and leveled by a roller, the roller moves back and forth for 2-3 times, and the concrete layer is kept stand for 1.0-1.5 hours again; wherein the distance between large-particle stones is 0.5 cm-0.8 cm;
step three, after the concrete layer is kept still again in the step two and the strength of the concrete layer is detected to be qualified, maintenance is carried out for 2-5 days, polishing construction is carried out, the concrete layer is cleaned and dried for 2-3 days after polishing is completed, a curing agent is coated, then polishing is carried out for 2-3 times to form a firm stone-like surface layer, grinding is carried out for 1000-2000 times to obtain a raw pulp large-particle terrazzo layer, and the ground raw pulp large-particle terrazzo is obtained.
Further, in the step one, the concrete layer comprises the following raw materials in parts by weight: 30-60 parts of cement, 36-68 parts of diatomite, 60-120 parts of river sand, 25-45 parts of palygorskite, 4.6-8.6 parts of sodium fluosilicate, 12-22 parts of aluminum silicate and 75-125 parts of water.
Further, the concrete layer comprises the following raw materials in parts by weight: 35-55 parts of cement, 46-58 parts of diatomite, 70-110 parts of river sand, 30-40 parts of palygorskite, 5.6-7.6 parts of sodium fluosilicate, 14-20 parts of aluminum silicate and 85-115 parts of water.
And furthermore, the raw materials of the concrete layer also comprise 4.2-5.8 parts of JF-C fibers. The concrete raw materials are screened, the content of the combined components is strictly controlled, meanwhile, the raw materials are reasonably proportioned, the traditional binder can be avoided being used in the process of combining with large-particle stones, the resource use and the energy consumption are reduced, and the environmental pollution is avoided.
And further roasting the diatomite for 3-4 hours at the temperature of 230-260 ℃, cooling and crushing to 10-30 meshes to obtain the diatomite.
Further, in the second step, the particle size of the large-particle stones is 3 cm-6 cm.
And in the second step, the large-particle stones are any one or combination of granite, marble, limestone and bluestone.
And furthermore, in the second step, the advancing speed of the roller is 1.0-2.0 m/min.
Further, in the third step, in the polishing construction process, firstly, 80-120 # coarse diamond is used for grinding the dividing strips and the stones, after cleaning, the dividing strips and the stones are leveled by using cement paste, then, 130-160 # diamond is used for grinding until the surfaces are smooth, after cleaning, the dividing strips and the stones are leveled by using the cement paste, and finally, 200 # diamond is used for grinding ink until the stones on the surfaces are uniformly exposed.
The invention has the advantages that:
1. the invention discloses a construction method of a ground protoplasm large-particle terrazzo, which is characterized in that large-particle stones are scattered on the surface of a concrete layer, the concrete layer is flattened by a roller and then is polished to form an integral seamless protoplasm large-particle natural stone-like surface, namely the ground protoplasm large-particle terrazzo, and the ground protoplasm large-particle terrazzo is suitable for floor surfaces of public buildings and urban landscape engineering ground, is firm and durable, and is attractive and elegant;
2. the large-particle terrazzo manufactured by the construction method of the ground raw pulp large-particle terrazzo disclosed by the invention has the advantages of good ground wear resistance, flat and smooth appearance, long service life, no water leakage, no cracking, long-term use smoothness and perfect aesthetic feeling;
3. according to the construction method of the ground raw pulp large-particle terrazzo, the use of the traditional binder is reduced, resources can be saved, the process is simplified, the environment can be protected, and the energy-saving and emission-reducing concept is met;
4. the construction method of the ground raw pulp large-particle terrazzo disclosed by the invention is simple in structure, one hundred years in construction, simple in operation, material-saving, flexible in use, lower in cost and suitable for popularization.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the preparation of the invention. In the drawings:
FIG. 1 is a schematic structural cross-sectional view of a large particle terrazzo of ground virgin pulp according to the present invention;
FIG. 2 is a schematic plan view of the ground virgin pulp large particle terrazzo structure of the present invention;
in the figure, 1 is a concrete layer; 2 is a protoplasm large-particle terrazzo layer.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The experimental procedures in the following examples are conventional unless otherwise specified. The raw materials, related ingredients, etc. used in the following examples are all commercially available products unless otherwise specified.
Example 1
Construction method of ground virgin pulp large-particle terrazzo
The method comprises the following steps:
referring to fig. 1 and 2, fig. 1 and 2 are a schematic cross-sectional view and a schematic plan view of a ground virgin pulp large-particle terrazzo structure according to the present invention; the ground raw pulp large particle terrazzo structure is composed of the concrete layer 1 and the raw pulp large particle terrazzo layer 2; the concrete layer 1 contains a primary pulp large particle terrazzo layer 2.
Step one, after preparation work is done, paving a layer of concrete on the surface of a roadbed, vibrating and flattening the concrete by using a flat vibrator to obtain a concrete layer 1 with the thickness of 5cm, standing for 1.5 hours, and waiting for initial setting of the concrete layer 1; wherein each vibrating time is 25 seconds;
in the above, the concrete layer comprises the following raw materials in parts by weight: 300kg of cement, 360kg of diatomite, 600kg of river sand, 250kg of palygorskite, 46kg of sodium fluosilicate, 120kg of aluminum silicate and 750kg of water; the raw material of the concrete also comprises 42kg of JF-C fiber; roasting the diatomite at 230 ℃ for 3 hours, cooling and crushing to 10 meshes to obtain the diatomite.
Secondly, when the surface of the concrete layer 1 is initially set in the first step, large-particle stones are scattered on the surface of the concrete layer 1, after the concrete layer is kept stand for 5 minutes, the surface of the concrete layer 1 containing the large-particle stones is pulled, pressed and leveled by a roller at the advancing speed of 1.0 m/min, the roller is reciprocated for 2 times, and the concrete layer is kept stand for 1.0 hour again; wherein the spacing between large particle stones is 0.5 cm;
in the above, the particle size of the large-particle stones is 3 cm; the large-particle stones are granite.
Step three, after standing again in the step two, detecting that the strength of the concrete layer 1 is qualified, maintaining for 2 days, grinding the concrete layer into division bars and stones by using a No. 80 coarse diamond mill, cleaning, smoothing by using cement paste, grinding by using a No. 130 diamond mill until the surface is smooth, cleaning, smoothing by using the cement paste, finally grinding ink by using a No. 200 diamond until the stones on the surface are uniformly exposed, cleaning and drying for 2 days after polishing, coating a curing agent, grinding for 2 times to form a firm stone-like surface layer, grinding by using 1000 diamond until the surface is smooth, forming a raw pulp large particle terrazzo layer 2, and obtaining the ground raw pulp large particle terrazzo.
Example 2
Construction method of ground virgin pulp large-particle terrazzo
The method comprises the following steps:
referring to fig. 1 and 2, fig. 1 and 2 are a schematic cross-sectional view and a schematic plan view of a ground virgin pulp large-particle terrazzo structure according to the present invention; the ground raw pulp large particle terrazzo structure is composed of the concrete layer 1 and the raw pulp large particle terrazzo layer 2; the concrete layer 1 contains a primary pulp large particle terrazzo layer 2.
Step one, after preparation work is done, laying a layer of concrete on the surface of a floor, vibrating and flattening the concrete by using a flat vibrator to obtain a concrete layer with the thickness of 8cm, standing for 2.0 hours, and waiting for initial setting of the concrete layer; wherein each vibrating time is 35 seconds;
in the above, the concrete layer comprises the following raw materials in parts by weight: 600kg of cement, 680kg of diatomite, 1200kg of river sand, 450kg of palygorskite, 86kg of sodium fluosilicate, 220kg of aluminum silicate and 1250kg of water; the raw material of the concrete also comprises 58kg of JF-C fiber; roasting the diatomite at 260 ℃ for 4 hours, cooling and crushing to 30 meshes to obtain the diatomite.
Secondly, when the surface of the concrete layer is initially set in the first step, scattering large-particle stones on the surface, standing for 10 minutes, then, pulling and pressing the surface of the concrete layer containing the large-particle stones to be leveled by using a roller at the advancing speed of 2.0 m/min, enabling the roller to reciprocate for 3 times, and standing for 1.5 hours again; wherein the spacing between large-particle stones is 0.8 cm;
in the above, the particle size of the large-particle stones is 6 cm; the large-particle stones are the combination of granite and marble, and the mass ratio is 1: 0.3.
and step three, after standing again in the step two, detecting that the strength of the concrete layer is qualified, maintaining, namely grinding the grid strips and the stones by using a No. 120 coarse diamond after 5 days, cleaning, smoothing by using cement paste, grinding by using a No. 160 diamond until the surface is smooth, cleaning, smoothing by using the cement paste, finally grinding by using a No. 200 diamond until the stones on the surface are uniformly exposed, cleaning and drying for 3 days after polishing, coating a curing agent, grinding for 3 times to form a firm stone-like surface layer, grinding by using a No. 2000 diamond until the surface is smooth, forming a raw pulp large particle terrazzo layer, and obtaining the ground raw pulp large particle terrazzo.
Example 3
Construction method of ground virgin pulp large-particle terrazzo
The method comprises the following steps:
referring to fig. 1 and 2, fig. 1 and 2 are a schematic cross-sectional view and a schematic plan view of a ground virgin pulp large-particle terrazzo structure according to the present invention; the ground raw pulp large particle terrazzo structure is composed of the concrete layer 1 and the raw pulp large particle terrazzo layer 2; the concrete layer 1 contains a primary pulp large particle terrazzo layer 2.
Step one, after preparation work is done, paving a layer of concrete on the surface of a roadbed, vibrating and flattening the concrete by using a flat vibrator to obtain a concrete layer with the thickness of 6cm, standing for 2.0 hours, and waiting for initial setting of the concrete layer; wherein each vibrating time is 27 seconds;
in the above, the concrete layer comprises the following raw materials in parts by weight: 350kg of cement, 460kg of diatomite, 700kg of river sand, 300kg of palygorskite, 56kg of sodium fluosilicate, 140kg of aluminum silicate and 850kg of water; the raw material of the concrete also comprises 48kg of JF-C fiber; roasting the diatomite at 240 ℃ for 4 hours, cooling and crushing to 30 meshes to obtain the diatomite.
Secondly, when the surface of the concrete layer is initially set in the first step, scattering large-particle stones on the surface, standing for 6 minutes, then, pulling and pressing the surface of the concrete layer containing the large-particle stones to be leveled by using a roller at the advancing speed of 1.2 m/min, enabling the roller to reciprocate for 3 times, and standing for 1.5 hours again; wherein the spacing between large-particle stones is 0.6 cm;
in the above, the particle size of the large-particle stones is 4 cm; the large-particle stones are the combination of limestone and bluestone, and the mass ratio is 3: 1.
and step three, after standing again in the step two, detecting that the strength of the concrete layer is qualified, maintaining, namely grinding the grid strips and the stones by using No. 90 coarse diamond after 3 days, cleaning, smoothing by using cement paste, grinding by using No. 140 diamond until the surface is smooth, cleaning, smoothing by using the cement paste, finally grinding by using No. 200 diamond until the stones on the surface are uniformly exposed, cleaning and drying for 2 days after polishing, coating a curing agent, grinding for 3 times to form a firm stone-like surface layer, and grinding by using No. 2000 diamond until the surface is smooth to form a raw pulp large-particle terrazzo layer, thereby obtaining the ground raw pulp large-particle terrazzo.
Example 4
Construction method of ground virgin pulp large-particle terrazzo
The method comprises the following steps:
referring to fig. 1 and 2, fig. 1 and 2 are a schematic cross-sectional view and a schematic plan view of a ground virgin pulp large-particle terrazzo structure according to the present invention; the ground raw pulp large particle terrazzo structure is composed of the concrete layer 1 and the raw pulp large particle terrazzo layer 2; the concrete layer 1 contains a primary pulp large particle terrazzo layer 2.
Step one, after preparation work is done, laying a layer of concrete on the surface of a floor, vibrating and flattening the concrete by using a flat vibrator to obtain a concrete layer with the thickness of 7cm, standing for 1.5 hours, and waiting for initial setting of the concrete layer; wherein each vibrating time is 33 seconds;
in the above, the concrete layer comprises the following raw materials in parts by weight: 550kg of cement, 580kg of diatomite, 1100kg of river sand, 400kg of palygorskite, 76kg of sodium fluosilicate, 200kg of aluminum silicate and 1150kg of water; the raw material of the concrete also comprises 58kg of JF-C fiber; roasting the diatomite at 250 ℃ for 3 hours, cooling and crushing to 10 meshes to obtain the diatomite.
Secondly, when the surface of the concrete layer is initially set in the first step, scattering large-particle stones on the surface, standing for 8 minutes, then, pulling and pressing the surface of the concrete layer containing the large-particle stones to be leveled by using a roller at the advancing speed of 1.8 m/min, enabling the roller to reciprocate for 2 times, and standing for 1.0 hour again; wherein the spacing between large-particle stones is 0.7 cm;
in the above, the particle size of the large-particle stones is 5 cm; the large-particle stones are the combination of granite, marble and limestone, and the mass ratio is 1: 0.2: 0.5.
step three, after standing again in the step two, detecting that the strength of the concrete layer is qualified, maintaining for 4 days, grinding the concrete layer into division bars and stones by using a No. 110 coarse diamond mill, cleaning, smoothing by using cement paste, grinding by using a No. 150 diamond mill until the surface is smooth, cleaning, smoothing by using the cement paste, finally grinding ink by using a No. 200 diamond until the stones on the surface are uniformly exposed, cleaning and drying for 3 days after polishing, coating a curing agent, grinding for 2 times to form a firm stone-like surface layer, grinding by using a No. 1000 diamond mill until the surface is smooth, forming a raw pulp large particle terrazzo layer, and obtaining the ground raw pulp large particle terrazzo.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A construction method of a ground protoplasm large-particle terrazzo is characterized by comprising the following steps:
step one, after preparation work is done, paving a layer of concrete on the surface of a roadbed or a floor, vibrating and flattening the concrete by using a flat vibrator to obtain a concrete layer (1) with the thickness of 5 cm-8 cm, standing for 1.5 hours-2.0 hours, and waiting for initial setting of the concrete layer (1); wherein each vibration time is 25-35 seconds;
secondly, when the surface of the concrete layer (1) is initially set in the first step, large-particle stones are scattered on the surface of the concrete layer, the concrete layer is kept stand for 5-10 minutes, then the surface of the concrete layer (1) containing the large-particle stones is pulled, pressed and leveled by a roller, the roller is reciprocated for 2-3 times, and the concrete layer is kept stand for 1.0-1.5 hours again; wherein the distance between large-particle stones is 0.5 cm-0.8 cm;
step three, after the concrete layer (1) is stood again in the step two and the strength is qualified, maintaining for 2-5 days, polishing construction is carried out, after polishing is completed, cleaning and drying for 2-3 days, coating a curing agent, polishing for 2-3 times to form a firm stone-like surface layer, grinding with No. 1000-2000 diamond until the surface is smooth to form a raw pulp large-particle terrazzo layer (2), and obtaining the ground raw pulp large-particle terrazzo.
2. The construction method of ground virgin pulp large-particle terrazzo according to claim 1, wherein in the first step, the concrete layer comprises the following raw materials in parts by weight: 30-60 parts of cement, 36-68 parts of diatomite, 60-120 parts of river sand, 25-45 parts of palygorskite, 4.6-8.6 parts of sodium fluosilicate, 12-22 parts of aluminum silicate and 75-125 parts of water.
3. The construction method of ground virgin pulp large-particle terrazzo according to claim 2, wherein the concrete layer comprises the following raw materials in parts by weight: 35-55 parts of cement, 46-58 parts of diatomite, 70-110 parts of river sand, 30-40 parts of palygorskite, 5.6-7.6 parts of sodium fluosilicate, 14-20 parts of aluminum silicate and 85-115 parts of water.
4. The construction method of ground virgin pulp large-particle terrazzo according to claim 2, wherein the concrete layer further comprises JF-C fibers 4.2-5.8 parts.
5. The construction method of the ground raw pulp large particle terrazzo according to claim 2, wherein the diatomite is calcined at 230-260 ℃ for 3-4 hours, then cooled and crushed to 10-30 meshes to obtain the product.
6. The construction method of ground virgin pulp large particle terrazzo according to claim 1, wherein in the second step, the particle size of the large particle stone is 3 cm-6 cm.
7. The method for constructing a ground virgin pulp large particle terrazzo according to claim 1, wherein in the second step, the large particle stones are any one or a combination of granite, marble, limestone and bluestone.
8. The construction method of ground virgin pulp large particle terrazzo according to claim 1, wherein in the second step, the advancing speed of the roller is 1.0 m/min to 2.0 m/min.
9. The construction method of the ground raw pulp large particle terrazzo according to claim 1, wherein in the third step, in the grinding construction process, the division bars and the stones are ground by 80-120 # coarse diamond, the division bars and the stones are leveled by cement paste after being cleaned, the division bars and the stones are ground by 130-160 # diamond until the surfaces are smooth, the division bars and the stones are leveled by cement paste after being cleaned, and the stones on the surfaces are evenly exposed by 200 # diamond.
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