CN110776334B - Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof - Google Patents

Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof Download PDF

Info

Publication number
CN110776334B
CN110776334B CN201911055519.9A CN201911055519A CN110776334B CN 110776334 B CN110776334 B CN 110776334B CN 201911055519 A CN201911055519 A CN 201911055519A CN 110776334 B CN110776334 B CN 110776334B
Authority
CN
China
Prior art keywords
cement
parts
fiber
toughness
hollow rate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911055519.9A
Other languages
Chinese (zh)
Other versions
CN110776334A (en
Inventor
高育欣
麻鹏飞
程宝军
杨文�
李爽
周建伟
涂玉林
齐广华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China West Construction Group Co Ltd
Building Materials Science Research Institute Co Ltd of China West Construction Group Co Ltd
Original Assignee
China West Construction Group Co Ltd
Building Materials Science Research Institute Co Ltd of China West Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China West Construction Group Co Ltd, Building Materials Science Research Institute Co Ltd of China West Construction Group Co Ltd filed Critical China West Construction Group Co Ltd
Priority to CN201911055519.9A priority Critical patent/CN110776334B/en
Publication of CN110776334A publication Critical patent/CN110776334A/en
Application granted granted Critical
Publication of CN110776334B publication Critical patent/CN110776334B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/06Aluminous cements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The invention discloses a cement-based wallboard with large hollow rate and ultrahigh toughness, which is formed by grouting and extrusion molding of a high-toughness cement-based composite material; the high-toughness cement-based composite material comprises the following components in parts by weight: 450-650 parts of cement, 450-650 parts of mineral admixture, 30-60 parts of pour point regulator, 50-90 parts of superfine powder, 50-80 parts of porous material, 20-30 parts of fiber, 0-0.3 part of cellulose ether, 4-12 parts of admixture, 280-350 parts of water and 400-700 parts of fine aggregate. The components adopt a coagulation regulating technology, the coagulation time of the components is regulated by compounding a coagulation regulating agent, and the activity of an admixture is excited, so that the mechanical property of a hardened body is improved. The cement-based wallboard with different specifications, large hollow rate and ultrahigh toughness is prepared by adjusting the structural form and the external dimension of the cross section hole, and the hollow rate of the wallboard can be adjusted and realized at will within the range of 65-85% on the premise of meeting the mechanical property and energy-saving heat preservation. The cement-based wallboard with the large hollow rate and the ultrahigh toughness, the hollow rate of which exceeds 65 percent, prepared by the invention has the characteristics of high toughness, high strength and high durability, can greatly reduce the self weight and the volume of a building structure, improve the heat insulation performance of the building and reduce the building cost.

Description

Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof
Technical Field
The invention relates to a cement-based wallboard with large hollow rate and ultrahigh toughness and a preparation method thereof, belonging to the technical field of building materials.
Background
The traditional concrete material has the problems of high brittleness and easy cracking, and the service life of a building structure is seriously influenced. The cement-based composite material with ultrahigh toughness has the characteristics of high toughness, high strength and high durability, accords with the development trend of the current building materials, and can bring good comprehensive benefits by replacing the traditional concrete material with the cement-based composite material. The large-hollow-rate prefabricated wallboard prepared based on the high-toughness cement-based composite material can further reduce the self weight and the volume of a building structure prepared from the ultra-high-toughness cement-based composite material, reduce the comprehensive cost of the building, obviously improve the heat insulation performance of the building structure, and has good economic benefit and social benefit.
Disclosure of Invention
The invention mainly overcomes the defects in the prior art, provides the cement-based wallboard with large hollow rate and ultrahigh toughness and the preparation method thereof, and the prepared composite wallboard has the characteristics of small self weight, cracking resistance, high strength and high durability, and overcomes the defects of poor toughness, easy cracking, short service life and large weight of the traditional concrete wall material.
The technical scheme provided by the invention for solving the technical problems is as follows: the cement-based wallboard with the large hollow rate and the ultrahigh toughness is characterized by comprising the following components in parts by weight: 650 parts of cement 450-. On the basis of the mix proportion optimization of the cement-based composite material with large hollow rate and ultrahigh toughness, the cement-based wallboards with large hollow rate and ultrahigh toughness of different specifications are prepared by adjusting the structural form and the external dimension of the cross section hole, and the hollow rate of the wallboard can be randomly adjusted and realized within the range of 65-85% on the premise of meeting the mechanical property and energy-saving heat preservation.
The further technical scheme is that the cement is one of portland cement, ordinary portland cement, slag portland cement, pozzolanic portland cement, fly ash portland cement and composite portland cement.
The further technical proposal is that the porous material is one of rice hull ash, glass hollow micro-beads, aluminum foam porous material, floating beads and coal gasification slag, and the density of the porous material is 0.7-2.3g/cm3The specific surface area is 500-1400m2/kg。
The further technical scheme is that the fine aggregate is one of quartz powder, building micro powder and tailing sand, and the particle size of the fine aggregate is 0.004-1.0 mm.
The further technical scheme is that the superfine powder is one of silica fume, titanium dioxide and glass powder or one of the superfine powders compounded according to different proportions and types, and the particle size of the superfine powder is 0.01-4.0 mu m.
The further technical scheme is that the additive comprises a water reducing agent, a defoaming agent and an organic emulsion.
The water reducing agent is one of a lignin water reducing agent, a naphthalene water reducing agent, a melamine high-efficiency water reducing agent and a polycarboxylate high-efficiency water reducing agent;
the defoaming agent is one of organic silicon defoaming agents, polyether defoaming agents, fatty acids defoaming agents and phosphate defoaming agents;
the organic emulsion is one of butylbenzene emulsion and acrylic ester emulsion.
The further technical proposal is that the fiber comprises organic fiber and inorganic fiber;
the organic fiber is at least one of polypropylene fiber, polypropylene alcohol fiber, polyether fiber, aromatic polyamide fiber, polyvinyl alcohol fiber, polyacrylonitrile fiber and polyethylene fiber;
the inorganic fiber is at least one of calcium carbonate whisker, calcium sulfate whisker, carbon nano tube, carbon fiber, basalt fiber and alkali-resistant glass fiber.
The further technical scheme is that the water-retaining thickening material is one of a mortar plasticizer, rubber powder, cellulose ether and mortar thickening powder.
The further technical scheme is that the set control agent is formed by compounding an excitant, special cement and a retarder, and the setting time of the set control agent is adjusted by compounding the set control agent; the addition of sodium carbonate, potassium carbonate and other excitants can excite the activity of the admixture and improve the volume stability of the hardened body.
The further technical proposal is that the excitant is an inorganic excitant or an organic excitant; the inorganic activator is one of calcium hydroxide, calcium oxide, sodium silicate, sodium metasilicate, potassium silicate, sodium carbonate, potassium carbonate and sulfate; the organic excitant is one of ammonia tri-n-propyl alcohol and triethanolamine;
the special cement comprises one of sulphoaluminate cement, aluminate cement and high-alumina cement;
the retarder is inorganic retarder and organic retarder, and the inorganic retarder is one of phosphate, borax and protein; the organic retarder is one of hydroxyl carboxylate and saccharide.
A preparation method of a cement-based wallboard with large hollow rate and ultrahigh toughness comprises the following steps:
(1) firstly, mixing and stirring weighed cement, mineral admixture, fine aggregate, porous material, coagulation regulator, superfine micro powder and water-retaining thickening material for 30-60s according to the parts by weight;
(2) adding an additive and water, stirring for 120-180s, adding fibers, stirring for 180-240s, and discharging to finish the preparation of the cement-based wallboard mixture with large hollow rate and ultrahigh toughness;
(3) and (3) forming, maintaining and removing the mixture in a specific mould according to an extrusion grouting mode, and finishing the preparation of the cement-based wallboard with large hollow rate and ultrahigh toughness.
The invention has the beneficial effects that: the large-hollow-ratio ultrahigh-toughness cement-based wallboard with the aperture ratio of more than 65 percent, which is prepared by the invention, can greatly reduce the dead weight and the volume of a building structure, improve the heat insulation performance of a building and obviously reduce the building cost. The cement-based wallboard with large hollow rate and ultrahigh toughness has high toughness and high strength, excellent workability and durability, and ultra-long service life which meets the requirement of future development; the preparation method is simple, easy to implement, light in weight, high in toughness, high in strength and good in durability, and can be widely applied to walls, roofs, roads, bridges and the like of industrial and civil buildings.
Drawings
FIG. 1 is a schematic cross-sectional structure of example 1;
FIG. 2 is a schematic cross-sectional structure in example 2;
FIG. 3 is a schematic cross-sectional structure in example 3;
FIG. 4 is a schematic cross-sectional structure in example 4;
FIG. 5 is a schematic cross-sectional view of the structure of example 5.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
A cement-based wallboard with large hollow rate and ultrahigh toughness is composed of the following raw materials in parts by weight: 500 parts of ordinary portland cement, 500 parts of mineral admixture, 50 parts of sulphoaluminate cement, 50 parts of superfine micro powder, 60 parts of porous material, 300 parts of quartz powder, 25 parts of polypropylene fiber, 0.13 part of cellulose ether, 6 parts of water reducing agent, 0.15 part of defoaming agent and 300 parts of water.
The structural form of the section of the cement-based wallboard with large hollow rate and ultrahigh toughness is shown in figure 1, and the hollow rate is 73.54 percent.
Example 2
A cement-based wallboard with large hollow rate and ultrahigh toughness is composed of the following raw materials in parts by weight: 600 parts of ordinary portland cement, 400 parts of mineral admixture, 30 parts of sulphoaluminate cement, 5 parts of sodium carbonate, 5 parts of borax, 80 parts of superfine micro powder, 70 parts of porous material, 350 parts of quartz powder, 30 parts of polyethylene fiber, 0.1 part of cellulose ether, 5 parts of water reducing agent, 0.13 part of defoaming agent and 320 parts of water.
The structural form of the section of the cement-based wallboard with large hollow rate and ultrahigh toughness is shown in figure 2, and the hollow rate is 73.85 percent.
Example 3
A cement-based wallboard with large hollow rate and ultrahigh toughness is composed of the following raw materials in parts by weight: 450 parts of ordinary portland cement, 550 parts of mineral admixture, 40 parts of sulphoaluminate cement, 90 parts of superfine micro powder, 85 parts of porous material, 400 parts of quartz powder, 20 parts of polyacrylonitrile fiber, 0.2 part of cellulose ether, 4 parts of water reducing agent, 0.13 part of defoaming agent and 350 parts of water.
The structural form of the section of the cement-based wallboard with large hollow rate and ultrahigh toughness is shown in figure 3, and the hollow rate is 78.06%.
Example 4
A cement-based wallboard with large hollow rate and ultrahigh toughness is composed of the following raw materials in parts by weight: 550 parts of ordinary portland cement, 450 parts of mineral admixture, 50 parts of sulphoaluminate cement, 2 parts of calcium oxide, 50 parts of superfine micro powder, 60 parts of porous material, 300 parts of quartz powder, 25 parts of polyvinyl alcohol fiber, 0.3 part of cellulose ether, 7 parts of water reducing agent, 1.0 part of butylbenzene emulsion, 0.1 part of defoaming agent and 290 parts of water.
The structural form of the section of the cement-based wallboard with large hollow rate and ultrahigh toughness is shown in figure 4, and the hollow rate is 75.47%.
Example 5
A cement-based wallboard with large hollow rate and ultrahigh toughness is composed of the following raw materials in parts by weight: 550 parts of ordinary portland cement, 350 parts of mineral admixture, 60 parts of sulphoaluminate cement, 70 parts of superfine micro powder, 60 parts of porous material, 500 parts of quartz powder, 20 parts of polyvinyl alcohol fiber and polypropylene fiber (the weight ratio of the polyvinyl alcohol fiber to the polypropylene fiber is 2:1), 0.2 part of cellulose ether, 8 parts of water reducing agent, 1.5 parts of butylbenzene emulsion, 0.1 part of defoaming agent and 280 parts of water.
The structural form of the section of the cement-based wallboard with large hollow rate and ultrahigh toughness is shown in figure 5, and the hollow rate is 82.24%.
The results of the performance tests of the cement-based composite materials with large hollow rate and ultrahigh toughness prepared in examples 1 to 5 show that the flexural strength/compressive strength of the base material was measured using a test piece of 40mm × 40mm × 160mm, and the thermal conductivity of the base material was measured using a test piece of 300mm × 300mm × 30mm, as shown in Table 1.
TABLE 1 Performance test results of cement-based composites with high hollow rate and ultrahigh toughness
On the premise of meeting mechanical properties and energy-saving heat preservation, the cement-based wallboard with large hollow rate and ultrahigh toughness further adopts the technical scheme that the hollow rate is realized by arranging different ribs in a cavity of the wallboard, the length, the width and the shape of the ribs can be adjusted, the ribs can be communicated ribs and discontinuous ribs in the length direction of the wallboard, and the arrangement form of the ribs on the premise of meeting the hollow rate, the mechanical properties and the energy-saving heat preservation is not limited by 5 examples listed in the invention.
The structural form of the transverse section holes of the cement-based wallboard with large hollow rate and ultrahigh toughness is not limited to 5 examples listed in the invention, and the further technical scheme is that the transverse section holes can be single-row holes, double-row holes and multi-row holes by combining different hollow rates and structural requirements, the multi-row holes can be distributed in a staggered mode or a symmetrical mode, and the distribution form is not limited. The shape of the hole can be rectangular, round, elliptical, diamond, etc., without limitation. Wherein the wallboard cavity can also be provided with a hole structure according to the requirements of the decoration pipeline.
The external dimension of the cement-based wallboard with large hollow rate and ultrahigh toughness is not limited to 5 embodiments listed in the invention, and the further technical scheme is that the cement-based wallboard can be adjusted according to requirements, the length can be adjusted from 600mm to 4500mm, the width can be adjusted from 300mm to 2000mm, and the thickness can be adjusted from 60mm to 300 mm.
Although the present invention has been described with reference to the above embodiments, it should be understood that the present invention is not limited to the above embodiments, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention.

Claims (5)

1. The cement-based wallboard with the large hollow rate and the ultrahigh toughness is characterized by comprising the following components in parts by weight: 650 parts of cement 450-;
the large hollow rate is realized by arranging different ribs in the cavity of the wallboard and adjusting the structural form and the overall dimension of the cross section hole, and the hollow rate of the wallboard is 65-85 percent;
the porous material is one of rice hull ash, glass hollow micro-beads, aluminum foam porous material, floating beads and coal gasification slag, and the density of the porous material is 0.7-2.3g/cm3The specific surface area is 500-1400m2/kg;
The fibers include organic fibers, inorganic fibers and composite fibers;
the organic fiber is at least one of polypropylene fiber, polypropylene alcohol fiber, polyether fiber, aromatic polyamide fiber, polyvinyl alcohol fiber, polyacrylonitrile fiber and polyethylene fiber;
the inorganic fiber is at least one of calcium carbonate whisker, calcium sulfate whisker, carbon nano tube, carbon fiber, basalt fiber and alkali-resistant glass fiber;
the water-retaining thickening material is one of a mortar plasticizer, rubber powder, cellulose ether and mortar thickening powder;
the set control agent is formed by compounding an excitant, special cement and a retarder;
the excitant is an inorganic excitant or an organic excitant; the inorganic activator is one of calcium hydroxide, calcium oxide, sodium silicate, sodium metasilicate, potassium silicate, sodium carbonate, potassium carbonate and sulfate; the organic excitant is one of ammonia tri-n-propyl alcohol and triethanolamine;
the special cement is one of sulphoaluminate cement, aluminate cement and high-alumina cement;
the retarder is inorganic retarder and organic retarder, and the inorganic retarder is one of phosphate, borax and protein; the organic retarder is one of hydroxyl carboxylate and saccharide;
the superfine micro powder is at least one of silica fume, titanium dioxide and glass powder, and the particle size of the superfine micro powder is 0.01-4.0 mu m;
the fine aggregate is one of quartz powder, building micro powder and tailing sand, and the particle size of the fine aggregate is 0.004-1.0 mm.
2. The cement-based wall panel with high void content and ultra-high toughness of claim 1, wherein the cement is one of portland cement, portland slag cement, portland pozzolan cement, and portland fly ash cement.
3. The cement-based wallboard with high void content and ultrahigh toughness as claimed in claim 1, wherein the mineral admixture is at least one of ground or air-milled fly ash, mineral powder, limestone powder and volcanic ash.
4. The cement-based wallboard with high void ratio and ultrahigh toughness as set forth in claim 1, wherein said admixture comprises water reducing agent, defoaming agent, organic emulsion;
the water reducing agent is one of a lignin water reducing agent, a naphthalene water reducing agent, a melamine high-efficiency water reducing agent and a polycarboxylate high-efficiency water reducing agent;
the defoaming agent is one of organic silicon defoaming agents, polyether defoaming agents, fatty acids defoaming agents and phosphate defoaming agents;
the organic emulsion is one of butylbenzene emulsion, tung oil and acrylic ester emulsion.
5. A method for preparing the cement-based wallboard with large hollow rate and ultrahigh toughness of any one of claims 1 to 4, comprising the following steps:
(1) firstly, mixing and stirring weighed cement, mineral admixture, fine aggregate, porous material, coagulation regulator, superfine micro powder and water-retaining thickening material for 30-60s according to the parts by weight;
(2) adding an additive and water, stirring for 60-180s, adding fibers, stirring for 180s and discharging for 240s to finish the preparation of the cement-based wallboard mixture with large hollow rate and ultrahigh toughness;
(3) and (3) forming, maintaining and removing the mixture in a specific mould according to an extrusion grouting mode, and finishing the preparation of the cement-based wallboard with large hollow rate and ultrahigh toughness.
CN201911055519.9A 2019-10-31 2019-10-31 Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof Active CN110776334B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911055519.9A CN110776334B (en) 2019-10-31 2019-10-31 Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911055519.9A CN110776334B (en) 2019-10-31 2019-10-31 Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof

Publications (2)

Publication Number Publication Date
CN110776334A CN110776334A (en) 2020-02-11
CN110776334B true CN110776334B (en) 2022-04-29

Family

ID=69388288

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911055519.9A Active CN110776334B (en) 2019-10-31 2019-10-31 Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof

Country Status (1)

Country Link
CN (1) CN110776334B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111844412A (en) * 2020-06-23 2020-10-30 中建西部建设建材科学研究院有限公司 Production process of ultrahigh-performance concrete-based large-hollow-rate wallboard
CN111848089B (en) * 2020-07-31 2022-05-06 山东安实绿色开采技术发展有限公司 Ultrahigh-strength composite grouting material and preparation method and application thereof
CN112604655B (en) * 2020-11-27 2022-06-14 天津市城市新海绵环保科技有限公司 Application of coal-based gasified slag, composite porous adsorption base material and preparation method thereof
CN112897948B (en) * 2021-02-01 2021-12-28 浙江大学 Lightweight and tough cement-based composite material and preparation method thereof
CN113373833A (en) * 2021-07-19 2021-09-10 中建西部建设建材科学研究院有限公司 Plug-in type light high-strength durable composite structure sound barrier and mounting method thereof
CN113502762A (en) * 2021-07-26 2021-10-15 中建西部建设建材科学研究院有限公司 Integral groove-based directly-buried self-standing non-metallic sound barrier and installation method thereof
CN114014687B (en) * 2021-11-11 2022-10-18 河南心连心化学工业集团股份有限公司 Aerated concrete block prepared from gasified ash and slag and preparation method thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1651683A (en) * 2005-01-26 2005-08-10 清华大学 Plant straw fiber reinforced light hollow slat
CN200952209Y (en) * 2006-09-16 2007-09-26 兰州交通大学 Light thermal insulation sound-proof hollow wall panel
CN103224359A (en) * 2013-02-07 2013-07-31 黄贺明 Hollow composite powder concrete cover plate
CN105089201A (en) * 2015-07-06 2015-11-25 中国建筑股份有限公司 Fibre concrete composite vacuum insulation wall panel and production method thereof
CN105776976A (en) * 2016-03-31 2016-07-20 武汉理工大学 Modified fiber toughened cement-based material and preparation method thereof
CN105948660A (en) * 2016-06-14 2016-09-21 同济大学 High-strength ultra-high-toughness concrete and preparation method thereof
CN106007599A (en) * 2016-05-26 2016-10-12 同济大学 Ultra-lightweight concrete and preparation method thereof
CN106284822A (en) * 2016-08-29 2017-01-04 广州永万预制构件有限公司 A kind of big hollow rate wallboard and production technology thereof
CN108409251A (en) * 2018-04-26 2018-08-17 合肥金云新材料有限公司 A kind of high tenacity cement-based material and preparation method thereof
CN109020617A (en) * 2018-10-12 2018-12-18 江苏力连重工机械有限公司 A kind of preparation method of heat-insulating light novel wall material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1125283A (en) * 1995-11-16 1996-06-26 中国建筑材料科学研究院 Light porous partition board and its production process
CN101122153A (en) * 2006-08-09 2008-02-13 韩忠民 Cast-in-situ reinforced concrete hollow floor
US20150240163A1 (en) * 2014-02-25 2015-08-27 Mach Iv, Llc Fire core compositions and methods
CN104164940A (en) * 2014-08-07 2014-11-26 江苏尼高科技有限公司 Fabricated light composite wallboard and preparation method
CN105601323B (en) * 2015-12-18 2018-07-03 湖北大学 A kind of foam concrete composite light partition wall batten and preparation method thereof
CN106116422B (en) * 2016-06-28 2018-04-24 东南大学 A kind of light hollow thermal insulation board and preparation method thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1651683A (en) * 2005-01-26 2005-08-10 清华大学 Plant straw fiber reinforced light hollow slat
CN200952209Y (en) * 2006-09-16 2007-09-26 兰州交通大学 Light thermal insulation sound-proof hollow wall panel
CN103224359A (en) * 2013-02-07 2013-07-31 黄贺明 Hollow composite powder concrete cover plate
CN105089201A (en) * 2015-07-06 2015-11-25 中国建筑股份有限公司 Fibre concrete composite vacuum insulation wall panel and production method thereof
CN105776976A (en) * 2016-03-31 2016-07-20 武汉理工大学 Modified fiber toughened cement-based material and preparation method thereof
CN106007599A (en) * 2016-05-26 2016-10-12 同济大学 Ultra-lightweight concrete and preparation method thereof
CN105948660A (en) * 2016-06-14 2016-09-21 同济大学 High-strength ultra-high-toughness concrete and preparation method thereof
CN106284822A (en) * 2016-08-29 2017-01-04 广州永万预制构件有限公司 A kind of big hollow rate wallboard and production technology thereof
CN108409251A (en) * 2018-04-26 2018-08-17 合肥金云新材料有限公司 A kind of high tenacity cement-based material and preparation method thereof
CN109020617A (en) * 2018-10-12 2018-12-18 江苏力连重工机械有限公司 A kind of preparation method of heat-insulating light novel wall material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
维纶纤维增强水泥粉煤灰发泡空心隔墙条板;王全;《砖瓦》;20070731(第7期);第40-42页 *

Also Published As

Publication number Publication date
CN110776334A (en) 2020-02-11

Similar Documents

Publication Publication Date Title
CN110776334B (en) Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof
Türkel et al. The effect of limestone powder, fly ash and silica fume on the properties of self-compacting repair mortars
CN105924113A (en) Self-heat insulation aerated concrete building block and mortar for construction of building blocks
CN104446295A (en) Humid-environment-resistance autoclaved aerated concrete block and preparation method thereof
CN102173707A (en) Desulfurization alpha semi-hydrated gypsum self-leveling mortar
CN109956720A (en) A kind of light silencing gravity flowing levelling mortar and preparation method thereof
JP4911580B2 (en) Low specific gravity lightweight foam concrete and method for producing the same
CN110105029B (en) Waterproof thermal insulation mortar for 3D printing building and preparation method and application thereof
CN102659371B (en) Polymer modified external wall heat insulation anti-crack mortar and preparation method of polymer modified external wall heat insulation anti-crack mortar
CN108892451B (en) Lightweight concrete, lightweight concrete prefabricated part, preparation method of lightweight concrete prefabricated part and building material
CN102701705B (en) Light high-strength masonry material for thin mortar joints and preparation method thereof
WO2008044361A1 (en) Filler for reinforcement joint and method of reinforcement joint filling operation using the same
Barbero-Barrera et al. Influence of the addition of waste graphite powder on the physical and microstructural performance of hydraulic lime pastes
CN112441760A (en) Composite admixture for sprayed concrete and preparation method and application thereof
CN112960952A (en) High-crack-resistance light-weight high-strength self-compacting concrete and preparation method thereof
Kaur et al. Reviewing some properties of concrete containing mineral admixtures
CN107500674A (en) A kind of environment-friendly type decoration cement
CN107628790B (en) Decorative cement
CN104557124B (en) Lightweight anti-crack concrete and preparation method thereof
CN107651893B (en) Radiation-proof decorative cement
CN109437769A (en) A kind of C30P10 subway concrete and preparation method thereof
JP2009084092A (en) Mortar-based restoring material
CN112919864A (en) Recycled aggregate fiber reinforced shotcrete and preparation method thereof
CN110885204B (en) Anti-cracking reinforcing material for long-life concrete product and preparation method and application thereof
CN110194641B (en) Interface-enhanced phosphogypsum light inner wall partition board and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 610000 No. 10, Wenhua Road, Jiancha street, Tianfu New District, Chengdu, Sichuan

Applicant after: China western construction Building Materials Science Research Institute Co.,Ltd.

Applicant after: CSCEC West Construction Co., Ltd

Address before: No.12 Wenhua Road, Jiancha street, Tianfu New District, Chengdu, Sichuan 610000

Applicant before: ZHONGJIAN MATERIAL TECHNOLOGY RESEARCH CHENGDU Co.,Ltd.

Applicant before: CSCEC West Construction Co., Ltd

GR01 Patent grant
GR01 Patent grant