CN114685183B - Light foaming filling method - Google Patents

Light foaming filling method Download PDF

Info

Publication number
CN114685183B
CN114685183B CN202210520065.3A CN202210520065A CN114685183B CN 114685183 B CN114685183 B CN 114685183B CN 202210520065 A CN202210520065 A CN 202210520065A CN 114685183 B CN114685183 B CN 114685183B
Authority
CN
China
Prior art keywords
parts
filling material
foaming
water
heat insulation
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
CN202210520065.3A
Other languages
Chinese (zh)
Other versions
CN114685183A (en
Inventor
宋正国
李江军
陈自石
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.)
Hunan Fuminle Building Materials Technology Development Co ltd
Original Assignee
Hunan Fuminle Building Materials Technology Development 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 Hunan Fuminle Building Materials Technology Development Co ltd filed Critical Hunan Fuminle Building Materials Technology Development Co ltd
Priority to CN202210520065.3A priority Critical patent/CN114685183B/en
Priority to PCT/CN2022/102582 priority patent/WO2023216393A1/en
Publication of CN114685183A publication Critical patent/CN114685183A/en
Priority to ZA2022/07911A priority patent/ZA202207911B/en
Application granted granted Critical
Publication of CN114685183B publication Critical patent/CN114685183B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
    • 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
    • C04B2111/40—Porous or lightweight materials
    • 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
    • C04B2111/52—Sound-insulating materials
    • 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
    • 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

Abstract

The invention relates to a light foaming filling method. The invention takes portland cement as a base material, sodium dodecyl sulfate as a foaming auxiliary agent, functional auxiliary agents such as a water repellent, a water-retaining agent, an accelerating agent and the like are added, and under the condition that metakaolin and fly ash are simultaneously doped, the light foaming filling material with low density, low water absorption, high compressive strength and strong adhesive force with waterproof paint is prepared. The light foaming filling material can be used in the fields of wall crack filling materials, roof heat insulation materials, external wall sound insulation and heat insulation materials, energy-saving wall materials and the like.

Description

Light foaming filling method
Technical Field
The invention relates to the field of foaming filling materials, in particular to a light foaming filling method.
Background
Foamed cement, also known as foamed concrete, is a lightweight cement-based foamed material formed by charging air into cement slurry in order to reduce the density of the cement slurry. The concrete is different from common concrete in raw materials in that coarse aggregate is not needed, and a large amount of uniformly distributed bubbles are introduced, so that the concrete has a large amount of uniformly distributed pores inside and excellent light performance, and is widely applied to building engineering and energy-saving wall materials. However, the insufficient compressive strength is always a problem to be solved by those skilled in the art, just because of the large number of pores.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a light foaming filling method, and the foaming material selected by the method has the advantages of low density, low water absorption, high compressive strength and the like.
The invention provides a light foaming filling method, which is characterized in that a light foaming filling material is used as a wall crack filling material, a roof heat insulation material, an outer wall sound insulation and heat insulation material or an energy-saving wall material;
the lightweight foaming filling material comprises the following components in parts by weight: 200-220 parts of Portland cement, 6-10 parts of metakaolin, 4-10 parts of fly ash, 0.5-1.0 part of lauryl sodium sulfate, 1.5-2 parts of anhydrous sodium sulphate, 0.3-1.8 parts of water repellent, 0.1-1.3 parts of gray calcium, 1.0-1.2 parts of water-retaining agent, 0.15-0.3 part of accelerator and 160-200 parts of water;
the preparation of the lightweight foamed filling material comprises the following steps: firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500-600% of the volume of the added water under the condition of stirring, then adding a water repellent, ash calcium and a water-retaining agent, adding portland cement, metakaolin, fly ash and an accelerating agent after uniformly stirring, and continuously stirring until uniform to obtain the foaming filling material.
Preferably, the lightweight foamed filling material comprises the following components in parts by weight: 200 parts of portland cement, 9.2 parts of metakaolin, 6.3 parts of fly ash, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulphate, 0.3 part of a water repellent, 0.1 part of gray calcium, 1.0 part of a water-retaining agent, 0.15 part of an accelerator and 160 parts of water.
Preferably, the water retaining agent is polyacrylamide.
Preferably, the water repellent is sodium stearate.
The invention takes portland cement as a base material, sodium dodecyl sulfate as a foaming auxiliary agent, functional auxiliary agents such as a water repellent, a water retention agent, an accelerating agent and the like are added, and the light foaming filling material which has low density, low water absorption, high compressive strength and strong adhesive force with waterproof paint is prepared under the condition that metakaolin and fly ash are simultaneously doped. The light foaming filling material can be used in the fields of wall crack filling materials, roof heat insulation materials, external wall sound insulation and heat insulation materials or energy-saving wall materials and the like.
Detailed Description
The technical effects of the present invention are demonstrated below by specific examples, but the embodiments of the present invention are not limited thereto.
Example 1
The foaming filling material comprises: 200 parts of Portland cement, 6 parts of metakaolin, 4 parts of fly ash, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulphate, 0.3 part of sodium stearate, 0.1 part of ash calcium, 1.0 part of polyacrylamide, 0.15 part of accelerating agent and 160 parts of water.
Firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500 percent of the volume of the added water under the condition of stirring, then adding sodium stearate, gray calcium and polyacrylamide, adding portland cement, metakaolin, fly ash and an accelerating agent after uniformly stirring, and continuously stirring until the mixture is uniform to obtain the foaming filling material.
Example 2
The foaming filling material comprises: 200 parts of portland cement, 8 parts of metakaolin, 6 parts of fly ash, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulphate, 0.3 part of sodium stearate, 0.1 part of gray calcium, 1.0 part of polyacrylamide, 0.15 part of accelerating agent and 160 parts of water.
Firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500 percent of the volume of the added water under the condition of stirring, then adding sodium stearate, gray calcium and polyacrylamide, adding portland cement, metakaolin, fly ash and an accelerating agent after uniformly stirring, and continuously stirring until the mixture is uniform to obtain the foaming filling material.
Example 3
The foaming filling material comprises: 200 parts of portland cement, 9.2 parts of metakaolin, 6.3 parts of fly ash, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulfate, 0.3 part of sodium stearate, 0.1 part of gray calcium, 1.0 part of polyacrylamide, 0.15 part of accelerating agent and 160 parts of water.
Firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500 percent of the volume of the added water under the condition of stirring, then adding sodium stearate, gray calcium and polyacrylamide, adding portland cement, metakaolin, fly ash and an accelerating agent after uniformly stirring, and continuously stirring until the mixture is uniform to obtain the foaming filling material.
Example 4
The foaming filling material comprises: 200 parts of Portland cement, 6.3 parts of metakaolin, 9.2 parts of fly ash, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulphate, 0.3 part of sodium stearate, 0.1 part of ash calcium, 1.0 part of polyacrylamide, 0.15 part of accelerating agent and 160 parts of water.
Firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500 percent of the volume of the added water under the condition of stirring, then adding sodium stearate, gray calcium and polyacrylamide, adding portland cement, metakaolin, fly ash and an accelerating agent after uniformly stirring, and continuously stirring until the mixture is uniform to obtain the foaming filling material.
Example 5
The foaming filling material comprises: 200 parts of Portland cement, 10 parts of metakaolin, 10 parts of fly ash, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulphate, 0.3 part of sodium stearate, 0.1 part of ash calcium, 1.0 part of polyacrylamide, 0.15 part of accelerating agent and 160 parts of water.
Firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500 percent of the volume of the added water under the condition of stirring, then adding sodium stearate, gray calcium and polyacrylamide, adding portland cement, metakaolin, fly ash and an accelerating agent after uniformly stirring, and continuously stirring until the mixture is uniform to obtain the foaming filling material.
Comparative example 1
The foaming filling material comprises: 200 parts of Portland cement, 15.5 parts of metakaolin, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulphate, 0.3 part of sodium stearate, 0.1 part of gray calcium, 1.0 part of polyacrylamide, 0.15 part of accelerator and 160 parts of water.
Firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500 percent of the volume of the added water under the condition of stirring, then adding sodium stearate, gray calcium and polyacrylamide, adding portland cement, metakaolin and an accelerating agent after uniformly stirring, and continuously stirring until the mixture is uniform to obtain the foaming filling material.
Comparative example 2
The foaming filling material comprises: 200 parts of portland cement, 15.5 parts of fly ash, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulphate, 0.3 part of sodium stearate, 0.1 part of gray calcium, 1.0 part of polyacrylamide, 0.15 part of accelerating agent and 160 parts of water.
Firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500 percent of the volume of the added water under the condition of stirring, then adding sodium stearate, ash calcium and polyacrylamide, adding portland cement, fly ash and an accelerating agent after uniformly stirring, and continuously stirring until the mixture is uniform to obtain the foaming filling material.
Comparative example 3
The foaming filling material comprises: 200 parts of Portland cement, 9.2 parts of metakaolin, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulphate, 0.3 part of sodium stearate, 0.1 part of gray calcium, 1.0 part of polyacrylamide, 0.15 part of accelerator and 160 parts of water.
Firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500 percent of the volume of the added water under the condition of stirring, then adding sodium stearate, gray calcium and polyacrylamide, adding portland cement, metakaolin and an accelerating agent after uniformly stirring, and continuously stirring until the mixture is uniform to obtain the foaming filling material.
Comparative example 4
The foaming filling material comprises: 200 parts of Portland cement, 6.3 parts of fly ash, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulphate, 0.3 part of sodium stearate, 0.1 part of ash calcium, 1.0 part of polyacrylamide, 0.15 part of accelerator and 160 parts of water.
Firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500 percent of the volume of the added water under the condition of stirring, then adding sodium stearate, ash calcium and polyacrylamide, adding portland cement, fly ash and an accelerating agent after uniformly stirring, and continuously stirring until the mixture is uniform to obtain the foaming filling material.
Further, the inventor evaluates the compressive strength and porosity of the foaming filling material by the following specific method:
compressive strength: continuously pressurizing a test sample with the diameter of 30mm and the height of 80mm at a loading speed of 2.0KN/s until the sample reaches a failure state, recording the failure load at the moment, and calculating the compressive strength of the sample according to the failure load;
porosity: and calculating the ratio of the density of the foam filling material after condensation to the density of the pure gel material after condensation, thereby calculating the porosity of the foam material.
The compressive strength and porosity of the samples of examples 1-5 and comparative examples 1-4 are shown in Table 1.
TABLE 1 test data for each sample
Group of Compressive strength/MPa Porosity/%
Example 1 1.66 28.3
Example 2 1.95 30.5
Example 3 2.52 37.1
Example 4 2.13 32.5
Example 5 1.82 33.5
Comparative example 1 1.12 25.2
Comparative example 2 1.71 23.1
Comparative example 3 1.83 20.4
Comparative example 4 1.42 21.5
As can be seen from table 1, under the test conditions of example 3, a low-density foamed filling material excellent in the compression resistance property was obtained. In addition, the water absorption performance of the sample in example 3 was evaluated, and the water absorption performance was 9.1 (V/V%), indicating that it has good waterproof capability. The light foaming filling material can be used in the fields of wall crack filling materials, roof heat insulation materials, external wall sound insulation and heat insulation materials or energy-saving wall materials and the like.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (1)

1. The application of the light foaming filling material in the field of wall crack filling materials, roof heat insulation materials or outer wall sound insulation and heat insulation materials is characterized in that the light foaming filling material is used as the wall crack filling material, the roof heat insulation materials or the outer wall sound insulation and heat insulation materials;
the lightweight foaming filling material comprises the following components in parts by weight: 200 parts of portland cement, 9.2 parts of metakaolin, 6.3 parts of fly ash, 0.5 part of sodium dodecyl sulfate, 1.5 parts of anhydrous sodium sulfate, 0.3 part of sodium stearate, 0.1 part of gray calcium, 1.0 part of polyacrylamide, 0.15 part of an accelerator and 160 parts of water;
the preparation of the lightweight foamed filling material comprises the following steps: firstly, dissolving sodium dodecyl sulfate and anhydrous sodium sulphate in water, leading the foaming volume to reach 500-600% of the volume of the added water under the condition of stirring, then adding sodium stearate, gray calcium and polyacrylamide, adding portland cement, metakaolin, fly ash and an accelerating agent after uniformly stirring, and continuously stirring until uniform to obtain the foaming filling material.
CN202210520065.3A 2022-05-13 2022-05-13 Light foaming filling method Active CN114685183B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202210520065.3A CN114685183B (en) 2022-05-13 2022-05-13 Light foaming filling method
PCT/CN2022/102582 WO2023216393A1 (en) 2022-05-13 2022-06-30 Lightweight foam filling method
ZA2022/07911A ZA202207911B (en) 2022-05-13 2022-07-15 Lightweight foam filling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210520065.3A CN114685183B (en) 2022-05-13 2022-05-13 Light foaming filling method

Publications (2)

Publication Number Publication Date
CN114685183A CN114685183A (en) 2022-07-01
CN114685183B true CN114685183B (en) 2023-03-28

Family

ID=82144380

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210520065.3A Active CN114685183B (en) 2022-05-13 2022-05-13 Light foaming filling method

Country Status (3)

Country Link
CN (1) CN114685183B (en)
WO (1) WO2023216393A1 (en)
ZA (1) ZA202207911B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114702280A (en) * 2022-04-13 2022-07-05 湖南省富民乐建材科技发展有限公司 Light foaming filling material for caisson type toilet

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105503079A (en) * 2015-12-18 2016-04-20 卓达新材料科技集团威海股份有限公司 Foaming cement and preparation method thereof
CN105503077A (en) * 2015-12-18 2016-04-20 卓达新材料科技集团威海股份有限公司 Foaming cement and preparation method thereof
CN106145760A (en) * 2016-07-01 2016-11-23 卓达新材料科技集团威海股份有限公司 A kind of Novel foaming cement additive
CN106830844A (en) * 2017-03-06 2017-06-13 宋正国 A kind of light foaming cement packing material and its foaming method
CN107060170B (en) * 2017-05-11 2019-03-08 宋正国 The cement foamed backfill structure in caisson type toilet and its earth-filling method
CN108409241A (en) * 2018-03-26 2018-08-17 宋正国 A kind of stand alone type abscess lightweight filler and foaming method
CN111170695A (en) * 2020-01-16 2020-05-19 广东泰禾建设有限公司 Foamed light soil and preparation method thereof
CN111423160B (en) * 2020-03-20 2021-01-22 东北农业大学 Light geopolymer thermal insulation material and preparation method thereof

Also Published As

Publication number Publication date
ZA202207911B (en) 2023-02-22
WO2023216393A1 (en) 2023-11-16
CN114685183A (en) 2022-07-01

Similar Documents

Publication Publication Date Title
CN110105013B (en) High-strength anti-cracking foam concrete and preparation method thereof
CN107417202B (en) Foam concrete for wall sandwich layer and preparation method and application thereof
CN111423160B (en) Light geopolymer thermal insulation material and preparation method thereof
CN109694207A (en) A kind of full solid waste cementitious material, its thermal insulation material and processing method and application
CN103771803A (en) Foam concrete with efficient sound-absorption and heat-preservation functions and preparation method thereof
CN110372290B (en) High-content volcanic ash foamed concrete material and preparation method thereof
CN110078532B (en) Foamed polystyrene high-strength lightweight aggregate with core-shell structure and preparation method thereof
CN108529940A (en) A kind of foamed concrete thermal insulation board
CN106278038A (en) A kind of complete light self-insulating concrete and preparation method
CN112299875A (en) High-strength light porous concrete and preparation method thereof
CN114436601A (en) Recycled aggregate self-compacting concrete and preparation method thereof
CN108484211A (en) A kind of preparation method of foamed concrete thermal insulation board
CN113831074A (en) Light sound-insulation terrace slurry containing polyurethane particles, preparation method and light sound-insulation terrace
CN104829195A (en) Prestress foam concrete preparation method
CN114685183B (en) Light foaming filling method
CN110981369A (en) High-performance expansive prestressed concrete and preparation method thereof
Wongkvanklom et al. Strength, thermal conductivity and sound absorption of cellular lightweight high calcium fly ash geopolymer concrete.
CN115340344A (en) Fiber-doped modified light foam concrete for buildings and preparation method thereof
CN113372069B (en) Light building sound insulation material based on fly ash
CN113493340B (en) Magnesium phosphate-based foam concrete heat-insulating material
CN108726958A (en) A method of preparing concrete partition using building castoff
CN109437802B (en) Sulphoaluminate cement assembled integrated inner wall and preparation method thereof
CN115650679B (en) Light foam concrete and preparation method thereof
CN110950568A (en) Multifunctional inorganic composite foam concrete modifier and preparation method thereof
CN115215606B (en) Mortar suitable for negative temperature environment 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
GR01 Patent grant
GR01 Patent grant