CN111592294A - Inorganic stone plate containing recycled concrete aggregate and preparation method thereof - Google Patents
Inorganic stone plate containing recycled concrete aggregate and preparation method thereof Download PDFInfo
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- CN111592294A CN111592294A CN202010270442.3A CN202010270442A CN111592294A CN 111592294 A CN111592294 A CN 111592294A CN 202010270442 A CN202010270442 A CN 202010270442A CN 111592294 A CN111592294 A CN 111592294A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Road Paving Structures (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses an inorganic stone plate containing recycled concrete aggregate and a preparation method thereof, wherein the inorganic stone plate comprises the following components in parts by weight: 30-60 parts of inorganic cementing material, 2-15 parts of inorganic mineral admixture, 20-55 parts of quartz sand, 35-60 parts of recycled concrete aggregate, 0.5-4 parts of water reducing agent, 2-4 parts of inorganic reinforcing agent and mixing water. The inorganic stone slab is reasonable in proportioning design and simple in process operation, is economical and environment-friendly, effectively prepares the inorganic stone slab containing recycled concrete aggregate, improves the mechanical property and the crack resistance of the inorganic stone slab, is uniform in components and compact in structure, has higher practicability, and is suitable for wide popularization and use.
Description
Technical Field
The invention relates to the field of inorganic stone plates, in particular to an inorganic stone plate containing recycled concrete aggregate and a preparation method thereof.
Background
The stone is widely applied to indoor and outdoor decoration design, curtain wall decoration and public facility construction, common stones are natural stones and artificial stones, the stone is influenced by energy-saving and environment-friendly policies, exploitation of the natural stones is limited, but the demand and measuring tool for the stone in the field of building decoration is large, and development of the artificial stone is promoted. The organic stone in the artificial stone is usually made of unsaturated resin as an adhesive, so that the artificial stone is easy to age, poor in fire resistance and weather resistance, high in mechanical property and good in durability, common concrete and inorganic stone belong to a concrete system, and the feasibility of using waste concrete for producing the inorganic stone is achieved. Therefore, we propose an inorganic stone slab containing recycled concrete aggregate and a preparation method thereof.
Disclosure of Invention
The invention aims to provide an inorganic stone slab containing recycled concrete aggregate and a preparation method thereof, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an inorganic stone slab containing recycled concrete aggregate, which comprises the following components in parts by weight: 30-60 parts of inorganic cementing material, 2-15 parts of inorganic mineral admixture, 20-55 parts of quartz sand, 35-60 parts of recycled concrete aggregate, 0.5-4 parts of water reducing agent, 2-4 parts of inorganic reinforcing agent and mixing water, wherein the mixing water amount is 0.17-0.24 time of the total mass of the inorganic cementing material and the inorganic mineral admixture.
In a preferred embodiment of the present invention, the inorganic cementitious material is one of ordinary portland cement, and white cement.
In a preferred embodiment of the present invention, the inorganic mineral admixture is one or more of fly ash, silica fume and lithium slag powder.
As a preferable embodiment of the invention, the water reducing agent is a high-efficiency water reducing agent or a high-performance water reducing agent, and the water reducing rate of the water reducing agent is not less than 20%.
In a preferred embodiment of the present invention, the inorganic enhancer is one or more of sodium sulfate, calcium nitrate, calcium formate, lithium carbonate, and calcium chloride.
As a preferred embodiment of the present invention, the recycled concrete aggregate has a particle size in the range of 5 to 10 mm.
As a preferred embodiment of the present invention, a method for preparing an inorganic stone slab containing recycled concrete aggregate, comprises the steps of:
(1) absorbing water;
(2) stirring;
(3) entering a mold;
(4) maintaining;
(5) removing the mold;
(6) and (6) reprocessing.
As a preferred embodiment of the present invention, the method comprises the following steps:
(1) water absorption: placing the recycled concrete aggregate into clean tap water to be soaked for 24-48h, allowing the recycled concrete aggregate to fully absorb water, detecting the saturated surface dry water absorption rate of the recycled concrete aggregate by adopting a drying method to obtain a recycled concrete aggregate A, and performing pre-water absorption treatment by using the recycled concrete aggregate as an internal curing agent to reduce the risk of inorganic stone shrinkage cracking;
(2) stirring:
a) adding quartz sand, an inorganic cementing material and a mineral admixture into a stirrer, and stirring for 20-30s to obtain a material A, so that the material is fully dispersed;
b) adding half of the mixing water into a stirrer to be mixed with the material A to obtain a material B, diluting the inorganic reinforcing agent and the water reducing agent by using the other half of the mixing water to obtain a material C, adding all the liquid into the stirrer, mixing the material B with the material C, continuously stirring for 180-300 s to obtain a material D, and fully dispersing the material;
c) adding the recycled concrete aggregate A which is soaked in the step (1) and is in a saturated surface dry state into a stirrer, mixing the recycled concrete aggregate A with the material D, and continuously stirring for 30-120 s to obtain a material E required by molding, wherein the recycled concrete aggregate is low in mechanical property and can be prevented from being excessively stirred and crushed;
(3) entering a mold: pouring the material E into a mold, uniformly paving, conveying the mold into a vacuumizing system, performing compression molding on the material under the vacuum degree of-0.05-0.09 MPa, wherein the compression strength is 5-9MPa to obtain a material F, discharging bubbles in the material through a vacuumizing process, and pressurizing to make the material more compact;
(4) and (5) maintenance: spreading a layer of preservative film on the surface of the pressed material F, ageing at room temperature for 1-2h, and then conveying the material F and the mould into a high-temperature curing box for high-temperature steam curing, wherein the curing temperature is 60-90 ℃, and the curing time is 3-8h, so that the inorganic stone is fully hydrated, and the development of mechanical properties is promoted;
(7) removing the mold: naturally cooling after curing, and then removing the mold and taking out;
(8) and (3) reprocessing: and (4) performing thickness setting, grinding, polishing and cutting on the hardened plate to obtain a finished product.
Compared with the prior art, the invention has the following beneficial effects:
the inorganic stone plate containing the recycled concrete aggregate and the preparation method thereof utilize the waste concrete as the recycled concrete aggregate in the inorganic stone component, and have the characteristic of high water absorption, so the inorganic stone material can be used as an internal curing agent, because the mixing water consumption of the inorganic stone material is low, the shrinkage is large, the recycled concrete aggregate needs to be subjected to pre-water absorption treatment, the risk of shrinkage and cracking of the inorganic stone is reduced, and the reinforcing agent is matched to make up the defect of low mechanical property of the recycled concrete aggregate, the waste concrete is recycled, the environmental pressure can be relieved, the energy is saved, the waste is recycled, the inorganic stone plate is economic and environment-friendly, the proportioning design of the inorganic stone plate is reasonable, the process operation is simple, the inorganic stone plate containing the recycled concrete aggregate is economic and environment-friendly, the performance of the inorganic stone plate is optimized and improved, and the mechanical property and the crack resistance of the inorganic stone plate are improved, the inorganic stone plate has the advantages of uniform components, compact structure and higher practicability.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
firstly, placing 45 parts of recycled concrete aggregate into clean tap water to be soaked for 36 hours, allowing the recycled concrete aggregate to fully absorb water, and then detecting the saturated surface dry water absorption rate of the recycled concrete aggregate by adopting a drying method;
adding 55 parts of quartz sand, 40 parts of cement and 5 parts of silica fume into a stirrer, stirring for 25s, adding half of mixing water with the water-cement ratio of 0.19 into the stirrer, diluting 2 parts of sodium sulfate and 0.5 part of water reducing agent by using the other half of the mixing water, adding all the liquid into the stirrer, continuously stirring for 240s, adding the soaked recycled concrete aggregate in a saturated surface dry state into the stirrer, and continuously stirring for 75 s;
pouring the materials into a mold, uniformly paving, conveying the mold into a vacuum pumping system, and performing compression molding on the materials under the conditions of a vacuum degree of 0.02Mpa and a compression strength of 7 Mpa;
spreading a layer of preservative film on the surface of the pressed material, ageing for 1.5h at room temperature, conveying the material and the die into a high-temperature curing box, curing for 5.5h at 75 ℃ by high-temperature steam, naturally cooling after curing, removing the die, taking out, and performing thickness fixing, grinding, polishing and cutting treatment on the hardened plate to obtain a finished product.
Example 2:
firstly, 50 parts of recycled concrete aggregate is placed in clean tap water to be soaked for 36 hours, so that the recycled concrete aggregate fully absorbs water, and then the saturated surface dry water absorption of the recycled concrete aggregate is detected by adopting a drying method;
adding 50 parts of quartz sand, 45 parts of cement and 2 parts of silica fume into a stirrer, stirring for 25s, adding half of mixing water with the water-cement ratio of 0.20 into the stirrer, diluting 3 parts of sodium sulfate and 1.5 parts of water reducing agent by using the other half of the mixing water, adding all the liquid into the stirrer, continuously stirring for 240s, adding the soaked recycled concrete aggregate in a saturated surface dry state into the stirrer, and continuously stirring for 75 s;
pouring the materials into a mold, uniformly paving, conveying the mold into a vacuum pumping system, and performing compression molding on the materials under the conditions of a vacuum degree of 0.02Mpa and a compression strength of 7 Mpa;
spreading a layer of preservative film on the surface of the pressed material, ageing for 1.5h at room temperature, conveying the material and the die into a high-temperature curing box, curing for 5.5h at 75 ℃ by high-temperature steam, naturally cooling after curing, removing the die, taking out, and performing thickness fixing, grinding, polishing and cutting treatment on the hardened plate to obtain a finished product.
Example 3:
firstly, placing 55 parts of recycled concrete aggregate into clean tap water to be soaked for 36 hours, allowing the recycled concrete aggregate to fully absorb water, and then detecting the saturated surface dry water absorption rate of the recycled concrete aggregate by adopting a drying method;
adding 50 parts of quartz sand, 50 parts of cement and 1 part of silica fume into a stirrer, stirring for 25s, adding half of mixing water with the water-cement ratio of 0.21 into the stirrer, diluting 3 parts of sodium sulfate and 2 parts of water reducing agent by using the other half of the mixing water, adding all the liquid into the stirrer, continuously stirring for 240s, adding the soaked recycled concrete aggregate in a saturated surface dry state into the stirrer, and continuously stirring for 75 s;
pouring the materials into a mold, uniformly paving, conveying the mold into a vacuum pumping system, and performing compression molding on the materials under the conditions of a vacuum degree of 0.02Mpa and a compression strength of 7 Mpa;
spreading a layer of preservative film on the surface of the pressed material, ageing for 1.5h at room temperature, conveying the material and the die into a high-temperature curing box, curing for 5.5h at 75 ℃ by high-temperature steam, naturally cooling after curing, removing the die, taking out, and performing thickness fixing, grinding, polishing and cutting treatment on the hardened plate to obtain a finished product.
Example 4:
firstly, 50 parts of recycled concrete aggregate is placed in clean tap water to be soaked for 36 hours, so that the recycled concrete aggregate fully absorbs water, and then the saturated surface dry water absorption of the recycled concrete aggregate is detected by adopting a drying method;
adding 55 parts of quartz sand, 60 parts of cement and 2 parts of silica fume into a stirrer, stirring for 25s, adding half of mixing water with the water-cement ratio of 0.19 into the stirrer, diluting 4 parts of sodium sulfate and 2.5 parts of water reducing agent by using the other half of the mixing water, adding all the liquid into the stirrer, continuously stirring for 240s, adding the soaked recycled concrete aggregate in a saturated surface dry state into the stirrer, and continuously stirring for 75 s;
pouring the materials into a mold, uniformly paving, conveying the mold into a vacuum pumping system, and performing compression molding on the materials under the conditions of a vacuum degree of 0.02Mpa and a compression strength of 7 Mpa;
spreading a layer of preservative film on the surface of the pressed material, ageing for 1.5h at room temperature, conveying the material and the die into a high-temperature curing box, curing for 5.5h at 75 ℃ by high-temperature steam, naturally cooling after curing, removing the die, taking out, and performing thickness fixing, grinding, polishing and cutting treatment on the hardened plate to obtain a finished product.
Example 5:
firstly, placing 35 parts of recycled concrete aggregate into clean tap water to be soaked for 24 hours, allowing the recycled concrete aggregate to fully absorb water, and then detecting the saturated surface dry water absorption rate of the recycled concrete aggregate by adopting a drying method;
then adding 20 parts of quartz sand, 30 parts of cement and 2 parts of silica fume into a stirrer, stirring for 20s, adding half of mixing water with the water-cement ratio of 0.17 into the stirrer, diluting 2 parts of sodium sulfate and 0.5 part of water reducing agent by using the other half of the mixing water, then adding all the liquid into the stirrer, continuously stirring for 180s, adding the soaked recycled concrete aggregate in a saturated surface dry state into the stirrer, and continuously stirring for 30 s;
pouring the materials into a mold, uniformly paving, conveying the mold into a vacuum pumping system, and performing compression molding on the materials under the conditions of vacuum degree of-0.05 Mpa and compression strength of 5 Mpa;
laying a layer of preservative film on the surface of the pressed material, ageing for 1h at room temperature, conveying the material and the mould into a high-temperature curing box, curing for 3h at the curing temperature of 60 ℃ by high-temperature steam, naturally cooling after curing, removing the mould, taking out, and performing thickness fixing, grinding, polishing and cutting treatment on the hardened plate to obtain a finished product.
Example 6:
firstly, placing 60 parts of recycled concrete aggregate into clean tap water to be soaked for 48 hours, fully absorbing water, and then detecting the saturated surface dry water absorption rate of the recycled concrete aggregate by adopting a drying method;
adding 55 parts of quartz sand, 60 parts of cement and 15 parts of silica fume into a stirrer, stirring for 20s, adding half of mixing water with the water-cement ratio of 0.24 into the stirrer, diluting 4 parts of sodium sulfate and 4 parts of water reducing agent by using the other half of the mixing water, adding all the liquid into the stirrer, continuously stirring for 300s, adding the soaked recycled concrete aggregate in a saturated surface dry state into the stirrer, and continuously stirring for 120 s;
pouring the materials into a mold, uniformly paving, conveying the mold into a vacuum pumping system, and performing compression molding on the materials under the conditions that the vacuum degree is 0.09Mpa and the compression strength is 9 Mpa;
laying a layer of preservative film on the surface of the pressed material, ageing for 2 hours at room temperature, conveying the material and the mould into a high-temperature curing box, curing for 8 hours at the curing temperature of 90 ℃ by high-temperature steam, naturally cooling after curing, removing the mould, taking out, and performing thickness fixing, grinding, polishing and cutting treatment on the hardened plate to obtain a finished product.
Experiment:
the inorganic stone plates containing recycled concrete aggregate prepared in examples 1 to 6 and the ordinary inorganic stone plates were taken, the compressive strength and shrinkage rate of the plates were respectively detected, the detection results were recorded, and the following data were obtained:
experiment:
from the data in the table above, it is clear that the following conclusions can be drawn:
the comparison experiment between the examples 1-6 and the common inorganic stone slab shows that the compressive strength is obviously improved and the shrinkage rate is reduced in the examples 1-6, which fully shows that the inorganic stone slab has the advantages of uniform components, compact structure and higher practicability, and the compressive strength is improved and the shrinkage rate is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (8)
1. An inorganic stone slab containing recycled concrete aggregate is characterized by comprising the following components in parts by weight: 30-60 parts of inorganic cementing material, 2-15 parts of inorganic mineral admixture, 20-55 parts of quartz sand, 35-60 parts of recycled concrete aggregate, 0.5-4 parts of water reducing agent, 2-4 parts of inorganic reinforcing agent and mixing water, wherein the mixing water amount is 0.17-0.24 time of the total mass of the inorganic cementing material and the inorganic mineral admixture.
2. An inorganic stone panel containing recycled concrete aggregate as claimed in claim 1, wherein: the inorganic cementing material is one of ordinary portland cement, portland cement and white cement.
3. An inorganic stone panel containing recycled concrete aggregate as claimed in claim 1, wherein: the inorganic mineral admixture is one or more of fly ash, silica fume and lithium slag powder.
4. An inorganic stone panel containing recycled concrete aggregate as claimed in claim 1, wherein: the water reducing agent is a high-efficiency water reducing agent or a high-performance water reducing agent, and the water reducing rate of the water reducing agent is not lower than 20%.
5. An inorganic stone panel containing recycled concrete aggregate as claimed in claim 1, wherein: the inorganic reinforcing agent is one or more of sodium sulfate, calcium nitrate, calcium formate, lithium carbonate and calcium chloride.
6. An inorganic stone panel containing recycled concrete aggregate as claimed in claim 1, wherein: the particle size range of the recycled concrete aggregate is 5-10 mm.
7. A preparation method of an inorganic stone slab containing recycled concrete aggregate is characterized by comprising the following steps:
(1) absorbing water;
(2) stirring;
(3) entering a mold;
(4) maintaining;
(5) removing the mold;
(6) and (6) reprocessing.
8. The method for preparing an inorganic stone slab containing recycled concrete aggregate as claimed in claim 7, comprising the steps of:
(1) water absorption: placing the recycled concrete aggregate into clean tap water to be soaked for 24-48h, allowing the recycled concrete aggregate to fully absorb water, and then detecting the saturated surface dry water absorption rate of the recycled concrete aggregate by adopting a drying method to obtain a recycled concrete aggregate A;
(2) stirring:
a) adding quartz sand, an inorganic cementing material and a mineral admixture into a stirrer, and stirring for 20-30s to obtain a material A;
b) adding half of the mixing water into a stirrer to be mixed with the material A to obtain a material B, diluting the inorganic reinforcing agent and the water reducing agent with the other half of the mixing water to obtain a material C, adding all the liquids into the stirrer, mixing the material B with the material C, and continuously stirring for 180-300 s to obtain a material D;
c) adding the recycled concrete aggregate A which is in a saturated surface dry state after being soaked in the step (1) into a stirrer, mixing the recycled concrete aggregate A with the material D, and continuously stirring for 30-120 s to obtain a material E required by molding;
(3) entering a mold: pouring the material E into a mold, uniformly paving, conveying the mold into a vacuum pumping system, and performing compression molding on the material under the vacuum degree of-0.05-0.09 MPa, wherein the compression strength is 5-9MPa to obtain a material F;
(4) and (5) maintenance: spreading a layer of preservative film on the surface of the pressed material F, ageing for 1-2h at room temperature, and then conveying the material F and the mould into a high-temperature curing box for high-temperature steam curing, wherein the curing temperature is 60-90 ℃, and the curing time is 3-8 h;
(7) removing the mold: naturally cooling after curing, and then removing the mold and taking out;
(8) and (3) reprocessing: and (4) performing thickness setting, grinding, polishing and cutting on the hardened plate to obtain a finished product.
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| CN202010270442.3A CN111592294A (en) | 2020-04-08 | 2020-04-08 | Inorganic stone plate containing recycled concrete aggregate and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349459A (en) * | 2021-12-10 | 2022-04-15 | 广东中旗新材料股份有限公司 | Artificial quartz stone plate with high impact toughness and preparation method thereof |
| CN115432968A (en) * | 2022-08-26 | 2022-12-06 | 中建海龙科技有限公司 | Recycled artificial stone based on aggregate pretreatment and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110467393A (en) * | 2019-08-25 | 2019-11-19 | 南京理工大学 | 120MPa superelevation strength silicate haydite concrete tubular pole matrix and preparation method thereof |
| CN110606710A (en) * | 2019-07-05 | 2019-12-24 | 深圳市绿志新型建材研究院有限公司 | Inorganic recycled aggregate high-strength artificial artistic stone plate and preparation method thereof |
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- 2020-04-08 CN CN202010270442.3A patent/CN111592294A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110606710A (en) * | 2019-07-05 | 2019-12-24 | 深圳市绿志新型建材研究院有限公司 | Inorganic recycled aggregate high-strength artificial artistic stone plate and preparation method thereof |
| CN110467393A (en) * | 2019-08-25 | 2019-11-19 | 南京理工大学 | 120MPa superelevation strength silicate haydite concrete tubular pole matrix and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114349459A (en) * | 2021-12-10 | 2022-04-15 | 广东中旗新材料股份有限公司 | Artificial quartz stone plate with high impact toughness and preparation method thereof |
| CN115432968A (en) * | 2022-08-26 | 2022-12-06 | 中建海龙科技有限公司 | Recycled artificial stone based on aggregate pretreatment and preparation method thereof |
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Application publication date: 20200828 |