CN116290659A - Washing-free exposed bone material artistic floor and paving method thereof - Google Patents
Washing-free exposed bone material artistic floor and paving method thereof Download PDFInfo
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- CN116290659A CN116290659A CN202310202174.5A CN202310202174A CN116290659A CN 116290659 A CN116290659 A CN 116290659A CN 202310202174 A CN202310202174 A CN 202310202174A CN 116290659 A CN116290659 A CN 116290659A
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- 239000000463 material Substances 0.000 title claims abstract description 52
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 52
- 239000002131 composite material Substances 0.000 claims abstract description 40
- 239000004567 concrete Substances 0.000 claims abstract description 34
- 239000004568 cement Substances 0.000 claims abstract description 17
- 238000007788 roughening Methods 0.000 claims abstract description 14
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 4
- 238000009736 wetting Methods 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 14
- 239000001023 inorganic pigment Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 6
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 3
- 241000276489 Merlangius merlangus Species 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 150000004683 dihydrates Chemical class 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 3
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 3
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 3
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 3
- 229920005646 polycarboxylate Polymers 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 229910021487 silica fume Inorganic materials 0.000 claims description 3
- 239000003469 silicate cement Substances 0.000 claims description 3
- 239000000176 sodium gluconate Substances 0.000 claims description 3
- 229940005574 sodium gluconate Drugs 0.000 claims description 3
- 235000012207 sodium gluconate Nutrition 0.000 claims description 3
- PKIDNTKRVKSLDB-UHFFFAOYSA-K trisodium;2-hydroxypropane-1,2,3-tricarboxylate;hydrate Chemical compound O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PKIDNTKRVKSLDB-UHFFFAOYSA-K 0.000 claims description 3
- 239000003086 colorant Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 229960005191 ferric oxide Drugs 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229940051164 ferric oxide yellow Drugs 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000001034 iron oxide pigment Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Images
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
-
- 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
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Floor Finish (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a washing-free exposed bone material artistic floor and a paving method thereof, wherein the paving method comprises the following steps: (1) Paving a concrete base layer and carrying out surface roughening treatment on the concrete base layer or carrying out surface roughening treatment on the existing concrete base layer; (2) Wetting the concrete base layer subjected to surface roughening treatment with wet water to a saturated surface dry state, paving a composite mortar bonding layer, and carrying out fine leveling and exhausting on the composite mortar bonding layer, wherein the composite mortar bonding layer adopts a polymer modified cement-based mortar bonding material; (3) Aggregate is thrown on the surface of the composite mortar bonding layer to obtain a bone material layer; (4) And after the hardening of the composite mortar bonding layer is completed, spraying a finishing agent to obtain a finishing layer. The paving method has the advantages of no retarder pretreatment process and no water washing process, convenient construction and no environmental pollution; and the aggregate is thrown on the composite mortar bonding layer to form the aggregate layer, so that the floor with rich colors, changeable shapes and more ornamental value is obtained.
Description
Technical Field
The application belongs to the technical field of terrace construction, and particularly relates to a washing-free exposed bone material artistic floor and a paving method thereof.
Background
The construction method of the existing exposed aggregate concrete terrace comprises the following steps: firstly, paving a base layer or preprocessing the existing base layer; then mixing concrete or cement with aggregate, paving the mixture on a base layer, then spraying a surface retarder for pretreatment, and washing the mixture with high-pressure water after 6-8 hours to expose the aggregate to obtain a concrete layer with exposed aggregate; and finally, spraying a finishing agent on the exposed aggregate concrete layer to protect the exposed aggregate concrete layer. For example, chinese patent application publication No. CN102400429a discloses a surface aggregate-exposed embossed water-permeable cement concrete floor structure and a method for manufacturing the same, wherein paragraphs [0040] to [0043] disclose a surface aggregate-exposed treatment method.
The existing construction method of the exposed aggregate concrete terrace is complex and difficult to control. In the retarder pretreatment process, not only is the surface retarder with strict requirements on the consistency, but also if the consistency is too high, the surface retarder is difficult to infiltrate to the target depth, so that the aggregate is exposed too little; if the thickness is too low, the concrete is easy to infiltrate below the target depth, the lower layer concrete is difficult to coagulate, and the aggregate is not firmly bonded; meanwhile, the influence of the ambient temperature on the retarding time is also great, and particularly, the scouring time is difficult to control in large-area construction, and the scouring effect is difficult to be consistent. In addition, the washing process can generate a large amount of sewage and slurry, so that the cleaning workload is increased, and a large amount of waste slurry and waste liquid are discharged, thereby causing environmental pollution and violating the original purposes of modifying the environment and beautifying the environment.
Disclosure of Invention
In view of the above problems in the prior art, the present application aims to provide a no-clean exposed bone material artistic floor and a paving method thereof, which do not need retarder pretreatment procedures and washing and flushing procedures, are convenient to construct, and do not cause environmental pollution.
The technical scheme of the application is as follows:
the application provides a washing-free exposed bone material artistic floor, which sequentially comprises a concrete base layer, a composite mortar bonding layer, a bone material layer and an overcoat from bottom to top; the aggregate layer is formed by scattering aggregate on the composite mortar bonding layer; wherein the composite mortar bonding layer adopts a polymer modified cement-based mortar bonding material, and the polymer modified cement-based mortar bonding material has the following properties: the compressive strength of 28d is more than or equal to 55MPa, the flexural strength of 28d is more than or equal to 8.0MPa, the bonding strength of 28d with a base layer is more than or equal to 2.0MPa, and the dimensional change rate of 28d is-0.05 to +0.05 percent.
In some embodiments, a polymer modified cement-based mortar bond material comprises the following components in parts by weight:
320-380 parts by mass of early-strength low-shrinkage crack-resistant cementing material; 450-550 parts by mass of continuous grading machine-made sand with the particle size of 0.125-1.2 mm; 50-80 parts by mass of coarse whiting powder with fineness of 325 meshes; 0.1-0.3 part by mass of viscosity modifier; 0-4 parts by mass of a coagulation time regulator; 0.5-2 parts by mass of high-performance polycarboxylate water reducer; 15-25 parts of water-resistant emulsion powder; 0-30 parts by mass of inorganic pigment.
Further, the early-strength low-shrinkage crack-resistant cementing material is prepared by compounding 780-820 parts by mass of 525# silicate cement, 120-150 parts by mass of 425# sulphoaluminate cement, 30-50 parts by mass of dihydrate gypsum and 25-50 parts by mass of silica fume.
Further, the viscosity modifier is prepared from bentonite and hydroxypropyl methyl cellulose ether according to a weight ratio of 20-30:1 by mass ratio.
Further, the setting time regulator is prepared from sodium gluconate and sodium citrate monohydrate according to a weight ratio of 2:1 by mass ratio.
In some embodiments, the aggregate layer comprises single color or multiple color aggregate.
In some embodiments, the aggregate layer comprises coarse aggregate having a particle size of 5mm to 8mm and/or fine aggregate having a particle size of 1mm to 5 mm.
In some embodiments, the aggregate layer comprises one or more of natural crushed stone, natural pebbles, and noctilucent stone.
In some embodiments, the inorganic pigment is an iron oxide pigment, and when the method is carried out, the inorganic pigment such as iron oxide black, iron oxide red or iron oxide yellow can be selected according to the requirements.
In another aspect, the present application provides a method for paving a washing-free exposed bone material artistic floor, comprising:
(1) Paving a concrete base layer and carrying out surface roughening treatment on the concrete base layer or carrying out surface roughening treatment on the existing concrete base layer;
(2) Wetting the concrete base layer subjected to surface roughening treatment with wet water to a saturated surface dry state, paving a composite mortar bonding layer, and carrying out fine leveling and exhausting on the composite mortar bonding layer, wherein the composite mortar bonding layer adopts a polymer modified cement-based mortar bonding material;
(3) Aggregate is thrown on the surface of the composite mortar bonding layer to obtain a bone material layer;
(4) And after the hardening of the composite mortar bonding layer is completed, spraying a finishing agent to obtain a finishing layer.
In some embodiments, the aggregate layer comprises coarse aggregate with a particle size of 5mm to 8mm and fine aggregate with a particle size of 1mm to 5 mm; when the aggregate layer comprises coarse aggregate and fine aggregate, and the aggregate is thrown on the surface of the composite mortar bonding layer to obtain the aggregate layer, the coarse aggregate is thrown first, and then the fine aggregate is thrown to fill gaps of the coarse aggregate.
In some embodiments, the aggregate is thrown on the surface of the composite mortar bonding layer to obtain a bone material layer, which comprises the following steps: mixing aggregate with similar particle size but different colors, and then throwing; or sequentially and respectively throwing aggregates with different types or different particle size ranges.
Compared with the prior art, the application has the following advantages and beneficial effects:
1. the paving method of the washing-free exposed bone material artistic floor has the advantages of convenience in construction and no environmental pollution, and has no retarder pretreatment process and no washing process.
2. The aggregate layer is formed by throwing the aggregate on the composite mortar bonding layer, so that the floor with rich colors, changeable shapes and more ornamental value is obtained.
3. When the aggregate layer is composed of coarse aggregate and fine aggregate, and the fine aggregate is positioned in gaps of the coarse aggregate, the aggregate layer has higher density, the aggregate is not easy to fall off under the action of external force, and the strength is high.
Drawings
Fig. 1 is a flow chart of a paving method of a washing-free exposed bone material artistic floor in an embodiment of the application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1, which is a flowchart of a paving method of the washing-free bone material artistic floor of the present application, a paving method of the washing-free bone material artistic floor of the present application is described in detail below with reference to fig. 1, and the paving method comprises the following steps:
(1) Paving a concrete base layer and carrying out surface roughening treatment on the concrete base layer or carrying out surface roughening treatment on the existing concrete base layer.
The concrete base layer plays a role in bearing load, and is subjected to surface roughening treatment, so that the bonding strength between the concrete base layer and the composite mortar bonding layer is increased. The roughening treatment may include, but is not limited to, surface grinding, surface milling, and providing anchoring grooves in the surface. When the anchoring groove is arranged on the concrete base layer, the anchoring groove is filled with the composite mortar bonding material when the composite mortar bonding layer is paved, so that the contact area between the composite mortar bonding material and the concrete base layer can be increased, and the bonding strength between the composite mortar bonding material and the concrete base layer is improved.
(2) Wetting the concrete base layer subjected to surface roughening treatment with wet water to a saturated surface dry state, paving a composite mortar bonding layer, and carrying out fine leveling and exhausting on the composite mortar bonding layer. When the composite mortar bonding layer is paved, the composite mortar bonding material can be paved to a preset thickness by adopting a serrated cloth rake.
The composite mortar bond layer is used to bond aggregate, preferably a polymer modified cement-based mortar bond material. The composite mortar bonding material used in the embodiment of the application has the following properties: the compressive strength of 28d is more than or equal to 55MPa, the flexural strength of 28d is more than or equal to 8.0MPa, the bonding strength of 28d with a base layer is more than or equal to 2.0MPa, and the dimensional change rate of 28d is-0.05 to +0.05 percent.
The embodiment of the application provides a possible polymer modified cement-based mortar bonding material, the performance of which meets the requirements, and the polymer modified cement-based mortar bonding material comprises the following components in parts by weight:
320-380 parts by mass of early-strength low-shrinkage crack-resistant cementing material, 450-550 parts by mass of machine-made sand with the continuous grading of 0.125-1.2 mm in particle size, 50-80 parts by mass of coarse whiting powder with the fineness of 325 meshes, 0.1-0.3 part by mass of viscosity modifier, 0-4 parts by mass of setting time regulator, 0.5-2 parts by mass of high-performance polycarboxylate water reducer, 15-25 parts by mass of water-resistant emulsion powder and 0-30 parts by mass of inorganic pigment. The early-strength low-shrinkage anti-cracking cementing material is formed by compounding 780-820 parts by mass of 525# silicate cement, 120-150 parts by mass of 425# sulphoaluminate cement, 30-50 parts by mass of dihydrate gypsum and 25-50 parts by mass of silica fume, and has the characteristic of high-strength anti-cracking. The viscosity modifier is prepared from bentonite and hydroxypropyl methyl cellulose ether according to a weight ratio of 20-30:1, and is used for adjusting the viscosity of the slurry. The setting time regulator consists of sodium gluconate and sodium citrate monohydrate according to the weight ratio of 2:1 for adjusting the coagulation time. The inorganic pigment is used for giving the color of the ground and improving the aesthetic feeling, and the inorganic pigment adopts ferric oxide pigment, and when the concrete implementation is carried out, the inorganic pigment such as ferric oxide black, ferric oxide red or ferric oxide yellow can be selected according to the requirement.
(3) And after finishing the fine leveling and the exhausting, throwing aggregate on the surface of the composite mortar bonding layer to obtain a bone material layer.
The aggregate is common aggregate in the market, such as natural crushed stone, natural pebble, noctilucent stone and the like. According to the required color and grain size of the modeling, the aggregate with single color or multiple colors can be selected, and the coarse aggregate with grain size of 5 mm-8 mm and/or the fine aggregate with grain size of 1 mm-5 mm are selected. By selecting aggregate with different particle sizes and different colors for matching, the bone material layers with rich colors and different shapes can be obtained.
When the aggregate is thrown, all the aggregate can be mixed and then thrown; different kinds of aggregate can be respectively and sequentially thrown; when the aggregate includes both coarse aggregate and fine aggregate, it is preferable to cast the coarse aggregate first and then the fine aggregate to fill the gaps of the coarse aggregate, so as to obtain a denser, stronger aggregate layer. The aggregate is thrown by selecting a conventional wide-mouth funnel and is thrown in a fixed swinging mode.
(4) And after the hardening of the composite mortar bonding layer is completed, cleaning surface impurities and unattached aggregates, and then spraying a finishing agent to obtain the finishing layer.
The finish coat is used for protecting the aggregate, relieving the problems of falling off, abrasion, outdoor corrosion and the like of the aggregate, and enhancing the durability. The finishing agent can be weather-proof transparent polyurethane with the surface hardness reaching 2H, and has the advantages of oil resistance, wear resistance, low temperature resistance, aging resistance, high hardness and certain elasticity. The weather-proof transparent polyurethane is sprayed on the surface of the aggregate layer to protect the aggregate layer, so that the problems of falling off, abrasion, outdoor corrosion and the like of the aggregate are alleviated, and the durability is enhanced.
Note that the above is only the preferred embodiments of the present application and the technical principles applied. Those skilled in the art will appreciate that the present application is not limited to the particular embodiments described herein, but is capable of numerous obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the present application. Thus, while the present application has been described in terms of the foregoing embodiments, the present application is not limited to the foregoing embodiments, but may include many other equivalent embodiments without departing from the spirit of the present application, all of which fall within the scope of the present application.
Claims (10)
1. A washing-free exposed bone material artistic floor is characterized in that:
the concrete composite mortar comprises a concrete base layer, a composite mortar bonding layer, a bone material layer and an overcoat layer from bottom to top in sequence; the aggregate layer is formed by scattering aggregate on the composite mortar bonding layer; the composite mortar bonding layer adopts a polymer modified cement-based mortar bonding material; the properties of the polymer modified cement-based mortar binding material are as follows: the compressive strength of 28d is more than or equal to 55MPa, the flexural strength of 28d is more than or equal to 8.0MPa, the bonding strength of 28d with a base layer is more than or equal to 2.0MPa, and the dimensional change rate of 28d is-0.05 to +0.05 percent.
2. The leave-in bone material art floor of claim 1, wherein:
the polymer modified cement-based mortar binding material comprises the following components in parts by weight:
320-380 parts by mass of early-strength low-shrinkage crack-resistant cementing material; 450-550 parts by mass of continuous grading machine-made sand with the particle size of 0.125-1.2 mm; 50-80 parts by mass of coarse whiting powder with fineness of 325 meshes; 0.1-0.3 part by mass of viscosity modifier; 0-4 parts by mass of a coagulation time regulator; 0.5-2 parts by mass of high-performance polycarboxylate water reducer; 15-25 parts of water-resistant emulsion powder; 0-30 parts by mass of inorganic pigment.
3. The leave-in bone material art floor of claim 2, wherein:
the early-strength low-shrinkage crack-resistant cementing material is prepared by compounding 780-820 parts by mass of 525# silicate cement, 120-150 parts by mass of 425# sulphoaluminate cement, 30-50 parts by mass of dihydrate gypsum and 25-50 parts by mass of silica fume.
4. The leave-in bone material art floor of claim 2, wherein:
the viscosity modifier is prepared from bentonite and hydroxypropyl methyl cellulose ether according to a weight ratio of 20-30:1 by mass ratio.
5. The leave-in bone material art floor of claim 2, wherein:
the setting time regulator consists of sodium gluconate and sodium citrate monohydrate according to the weight ratio of 2:1 by mass ratio.
6. The leave-in bone material art floor of claim 1, wherein:
the aggregate layer comprises single-color or multi-color aggregate.
7. The leave-in bone material art floor of claim 1, wherein:
the aggregate layer comprises coarse aggregate with the particle size of 5-8 mm and/or fine aggregate with the particle size of 1-5 mm.
8. The leave-in bone material art floor of claim 1, wherein:
the aggregate layer comprises one or more of natural broken stone, natural pebble and noctilucent stone.
9. A paving method of a washing-free exposed bone material artistic floor is characterized by comprising the following steps:
(1) Paving a concrete base layer and carrying out surface roughening treatment on the concrete base layer or carrying out surface roughening treatment on the existing concrete base layer;
(2) Wetting the concrete base layer subjected to surface roughening treatment with wet water to a saturated surface dry state, paving a composite mortar bonding layer, and carrying out fine leveling and exhausting on the composite mortar bonding layer, wherein the composite mortar bonding layer adopts a polymer modified cement-based mortar bonding material;
(3) Aggregate is thrown on the surface of the composite mortar bonding layer to obtain a bone material layer;
(4) And after the hardening of the composite mortar bonding layer is completed, spraying a finishing agent to obtain a finishing layer.
10. The method for paving the washing-free bone material artistic floor according to claim 9, wherein the method comprises the following steps:
the aggregate layer comprises coarse aggregate with the particle size of 5-8 mm and fine aggregate with the particle size of 1-5 mm; when the aggregate is thrown on the surface of the composite mortar bonding layer to obtain the aggregate layer, coarse aggregate is thrown first, and then fine aggregate is thrown to fill gaps of the coarse aggregate.
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| CN202310202174.5A CN116290659B (en) | 2023-03-06 | 2023-03-06 | Washing-free exposed bone material artistic floor and paving method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10102407A (en) * | 1996-10-01 | 1998-04-21 | Ohbayashi Corp | Aggregate exposure method in concrete paved surface |
| CN102400429A (en) * | 2010-09-15 | 2012-04-04 | 北京中景橙石建筑科技有限公司 | Surface exposed aggregate embossed water-permeable cement concrete ground structure and manufacturing method thereof |
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