CN113896502A - Fireproof steel structure building material and preparation method thereof - Google Patents

Fireproof steel structure building material and preparation method thereof Download PDF

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Publication number
CN113896502A
CN113896502A CN202111409748.3A CN202111409748A CN113896502A CN 113896502 A CN113896502 A CN 113896502A CN 202111409748 A CN202111409748 A CN 202111409748A CN 113896502 A CN113896502 A CN 113896502A
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anticorrosive material
sea sand
water
anticorrosive
waste soil
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Inventor
何新桥
韩纪升
崔岩
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Changde Jizhi Biotechnology Co ltd
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Changde Jizhi Biotechnology Co ltd
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Priority to CN202111409748.3A priority Critical patent/CN113896502A/en
Publication of CN113896502A publication Critical patent/CN113896502A/en
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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
    • C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26—Silicates of the alkali metals
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/06—Quartz; Sand
    • C04B14/068—Specific natural sands, e.g. sea -, beach -, dune - or desert sand
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/0427—Dry 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
    • C04B24/42—Organo-silicon compounds
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • 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)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention belongs to the technical field of environmental protection or the field of modern buildings, and particularly relates to a fireproof steel structure building material and a preparation method thereof, wherein the building material comprises the following raw materials: cement, anticorrosive material containing sea sand or anticorrosive material containing waste soil, and stone; the invention adopts sodium methyl silicate or potassium methyl silicate and water glass to form a composite material, and the composite material is mixed with raw materials such as sea sand and the like to obtain the anticorrosive material. The building material raw material and water are uniformly stirred and then added into a steel structure, so that the fireproof performance is greatly improved, and researches show that the fireproof limit of the fireproof steel structure is not less than 4 hours.

Description

Fireproof steel structure building material and preparation method thereof
Technical Field
The invention belongs to the technical field of environmental protection or the field of modern buildings, and particularly relates to a fireproof steel structure building material and a preparation method thereof.
Background
The steel structure is a structure composed of steel materials and is one of the main building structure types; compared with the common reinforced concrete structure, the steel structure has the advantages of uniformity, high strength, high construction speed, good shock resistance, high recovery rate and the like, and the strength and the elastic modulus of steel are many times higher than those of masonry and concrete, so that the steel member has light weight under the condition of the same load. From the aspect of being damaged, the steel structure has a large deformation sign in advance, belongs to a ductile damage structure, and can find danger in advance. Compared with other constructions, the steel structure has advantages in use, design, construction and comprehensive economy, has low cost, can be moved at any time, has lighter self weight, is simple and convenient to construct, and is widely applied to the fields of large-scale plants, venues, super-high buildings and the like. However, the steel structure is easy to corrode, poor in heat preservation performance and poor in fire resistance, and the steel structure is easy to rust in the steel structure in which water is stored in the traditional method, and is not easy to find when leakage occurs. In the prior art, the fireproof coating is adopted for the steel structure, the thickness of the fireproof coating for the thin steel structure can reach the requirement of 2.5h when being 4.7mm, the thickness of the fireproof coating for the thick steel structure can reach the requirement when needing 20mm, but the fireproof coating for the thick steel structure has high manufacturing cost and short fireproof time, the fire disaster still has fire-fighting potential safety hazard when exceeding 3h, and has great pollution to the environment and is not beneficial to the requirement of environmental protection.
Therefore, the research on a new fireproof steel structure has important significance for the environmental protection field and the building field.
Disclosure of Invention
For the reasons, the applicant researches and obtains a new fireproof steel structure building material through multiple creative tests, and the building material comprises the following raw materials: cement, anticorrosive material containing sea sand or anticorrosive material containing waste soil, and stone. More importantly, the raw materials of the anticorrosive material containing sea sand or the anticorrosive material containing waste soil comprise sodium methyl silicate or potassium methyl silicate and water glass; research shows that the content of dissolved chloride (calculated by the mass of chloride ions) measured by using the raw material to remove the treated sea sand (sea sand) is less than 0.0005 percent. The invention adopts the sodium methyl silicate or potassium methyl silicate and the water glass to form the composite material, and after the composite material is mixed with the raw materials such as the sea sand (sea sand), a thin film layer is formed on the surface, thereby wrapping the chloride ions and avoiding generating corrosion when the composite material is combined with the cement, the stone and the steel structure. The building material raw material and water are uniformly stirred and then added into a steel structure, so that the fireproof performance is greatly improved, and researches show that the fireproof limit of the fireproof steel structure is not less than 4 hours. .
The invention is realized by the following technical scheme.
A fireproof steel structure building material, which comprises the following raw materials: cement, anticorrosive material containing sea sand or anticorrosive material containing waste soil, and stone.
The fireproof steel structure building material comprises 350 parts by weight of cement 250, 750 parts by weight of anticorrosive material containing sea sand or anticorrosive material containing waste soil 650 and 1300 parts by weight of stones 1200.
The fireproof steel structure building material comprises, by weight, 300 parts of cement, 690 parts of an anticorrosive material containing sea sand or an anticorrosive material containing waste soil and 1260 parts of stones.
The fireproof steel structure building material comprises the following raw materials of an anticorrosive material containing sea sand or an anticorrosive material containing waste soil: methyl sodium silicate or methyl potassium silicate and water glass, wherein the weight ratio of the methyl sodium silicate or the methyl potassium silicate to the water glass is as follows: 0.8-1.2:1-2.
Wherein the raw materials of the anticorrosive material containing sea sand or the anticorrosive material containing waste soil comprise: the weight ratio of the methyl sodium silicate or the methyl potassium silicate to the water glass is as follows: 1:1.5.
The preparation method of the anticorrosive material containing sea sand or the anticorrosive material containing waste soil comprises the following steps:
(1) pouring methyl sodium silicate or methyl potassium silicate into water, wherein the weight ratio of the methyl sodium silicate or the methyl potassium silicate to the water is as follows: 1: 15-40 parts of; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) adding sea sand or waste soil into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain an anticorrosive material;
wherein the weight ratio of the sea sand or the waste soil to the standby raw materials is as follows: 1: 0.8-1.2.
The preparation method of the fireproof steel structure building material comprises the following steps:
(1) uniformly stirring cement, an anticorrosive material containing sea sand or an anticorrosive material containing waste soil, stones and water to obtain concrete for later use;
(2) taking a square, round or special-shaped hollow steel pipe, welding and sealing one end of the hollow steel pipe, injecting spare concrete, vertically stacking the canned steel pipes, transporting after initial setting, and using after 7 days;
wherein the weight ratio of the anticorrosive material to water is as follows: 65-75: 16-25.
The water of the present invention is fresh water.
The quality of the steel structure meets the requirements of the existing standard of 'technical conditions of common carbon structural steel', 'technical conditions of low alloy structural steel' and 'technical conditions of carbon steel for bridges and common low alloy steel plate'.
The steel material of the steel pipe adopted in the embodiment of the invention adopts No. 3 steel of an open hearth furnace or an oxygen converter.
The invention relates to sodium methylsilicate: an organic compound with molecular formula of CH5SiO3And (4) Na. The colorless liquid has a relative density of 1.23-1.26. Offered by jinan xinwang chemical limited.
The methyl potassium silicate is provided by Jinan Xin Wang chemical Co., Ltd.
The water glass of the invention: commonly known as sodium silicate, is an inorganic substance with a chemical formula of Na2O·nSiO2The water solution is commonly called water glass and is an ore binder. Has a chemical formula of Na2O·nSiO2It is a soluble inorganic silicate and has wide application. Offered by jinan xinwang chemical limited.
Preparation examples
Example 1
The raw materials of the anticorrosive material comprise: the weight ratio of the sodium methyl silicate to the water glass is as follows: 0.8:1.
The preparation method of the anticorrosive material containing the sea sand comprises the following steps:
(1) taking methyl sodium silicate and pouring the methyl sodium silicate into water, wherein the weight ratio of the methyl sodium silicate to the water is as follows: 1: 15; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) and (3) adding sea sand into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain the anticorrosive material.
Wherein the weight ratio of the sea sand to the standby raw materials is as follows: 1: 0.8.
taking the anticorrosive material of the embodiment, according to the determination method of 6.10 chloride content (calculated by the mass of chloride ions) in the standard JG/T494-2016 purified sea sand for building and municipal engineering, the chloride content (calculated by the mass of chloride ions) of the detection result is 0.0004%.
Example 2
The raw materials of the anticorrosive material comprise: the weight ratio of the sodium methyl silicate to the water glass is as follows: 0.9:1.2.
The preparation method of the anticorrosive material containing the sea sand comprises the following steps:
(1) taking methyl sodium silicate and pouring the methyl sodium silicate into water, wherein the weight ratio of the methyl sodium silicate to the water is as follows: 1: 20; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) and (3) adding sea sand into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain the anticorrosive material.
Wherein the weight ratio of the sea sand to the standby raw materials is as follows: 1: 0.9.
taking the anticorrosive material of the example, the chloride content (calculated by the mass of chloride ions) was measured according to the method for measuring the 6.10 chloride content in the standard JG/T494-2016 purified sea sand for construction and municipal engineering, and the chloride content (calculated by the mass of chloride ions) was 0.0004%.
Example 3
The raw materials of the anticorrosive material comprise: the weight ratio of the sodium methyl silicate to the water glass is as follows: 1:1.5.
The preparation method of the anticorrosive material containing the sea sand comprises the following steps:
(1) taking methyl sodium silicate and pouring the methyl sodium silicate into water, wherein the weight ratio of the methyl sodium silicate to the water is as follows: 1: 27.5; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) and (3) adding sea sand into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain the anticorrosive material.
Wherein the weight ratio of the sea sand to the standby raw materials is as follows: 1:1.
taking the anticorrosive material of the example, the chloride content (calculated by the mass of chloride ions) was measured according to the method for measuring the 6.10 chloride content in the standard JG/T494-2016 purified sea sand for construction and municipal engineering, and the chloride content (calculated by the mass of chloride ions) was 0.0002%.
Example 4
The raw materials of the anticorrosive material comprise: the weight ratio of the potassium methyl silicate to the water glass is as follows: 1.1:1.8.
The preparation method of the anticorrosive material containing the sea sand comprises the following steps:
(1) pouring methyl potassium silicate into water, wherein the weight ratio of the methyl potassium silicate to the water is as follows: 1: 35; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) and (3) adding sea sand into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain the anticorrosive material.
Wherein the weight ratio of the sea sand to the standby raw materials is as follows: 1: 1.1.
taking the anticorrosive material of the example, the chloride content (calculated by the mass of chloride ions) was measured according to the method for measuring the 6.10 chloride content in the standard JG/T494-2016 purified sea sand for construction and municipal engineering, and the chloride content (calculated by the mass of chloride ions) was 0.0003%.
Example 5
The raw materials of the anticorrosive material comprise: the weight ratio of the potassium methyl silicate to the water glass is as follows: 1.2:1.9.
The preparation method of the anticorrosive material containing the sea sand comprises the following steps:
(1) pouring methyl potassium silicate into water, wherein the weight ratio of the methyl potassium silicate to the water is as follows: 1: 40; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) and (3) adding sea sand into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain the anticorrosive material.
Wherein the weight ratio of the sea sand to the standby raw materials is as follows: 1: 1.2.
taking the anticorrosive material of the example, the chloride content (calculated by the mass of chloride ions) was measured according to the method for measuring the 6.10 chloride content in the standard JG/T494-2016 purified sea sand for construction and municipal engineering, and the chloride content (calculated by the mass of chloride ions) was 0.0003%.
Example 6
The raw materials of the anticorrosive material comprise: the weight ratio of the sodium methyl silicate to the water glass is as follows: 0.9:1.4.
The preparation method of the anticorrosive material containing waste soil comprises the following steps:
(1) taking methyl sodium silicate and pouring the methyl sodium silicate into water, wherein the weight ratio of the methyl sodium silicate to the water is as follows: 1: 25; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) and (3) adding the waste soil into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain the anticorrosive material.
Wherein the weight ratio of the waste soil to the standby raw materials is as follows: 1: 0.9.
taking the anticorrosive material of the example, the chloride content (calculated by the mass of chloride ions) was determined by referring to the method for determining the chloride content of 6.10 in the standard JG/T494-2016 purified sea sand for construction and municipal engineering, and the chloride content (calculated by the mass of chloride ions) was 0.0002%.
Example 7
The raw materials of the anticorrosive material comprise: the weight ratio of the sodium methyl silicate to the water glass is as follows: 1:1.5.
The preparation method of the anticorrosive material containing waste soil comprises the following steps:
(1) pouring methyl potassium silicate into water, wherein the weight ratio of the methyl potassium silicate to the water is as follows: 1: 30, of a nitrogen-containing gas; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) and (3) adding the waste soil into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain the anticorrosive material.
Wherein the weight ratio of the waste soil to the standby raw materials is as follows: 1:1.
taking the anticorrosive material of the embodiment, determining the chloride content (calculated by the mass of the chloride ions) by referring to the determination method of the 6.10 chloride content in the standard JG/T494-2016 purified sea sand for building and municipal engineering, and determining that the chloride content (calculated by the mass of the chloride ions) is not detected.
Example 8
The raw materials of the anticorrosive material comprise: the weight ratio of the sodium methyl silicate to the water glass is as follows: 1.2:2.
The preparation method of the anticorrosive material containing waste soil comprises the following steps:
(1) taking methyl sodium silicate and pouring the methyl sodium silicate into water, wherein the weight ratio of the methyl sodium silicate to the water is as follows: 1: 37.5; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) and (3) adding the waste soil into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain the anticorrosive material.
Wherein the weight ratio of the waste soil to the standby raw materials is as follows: 1: 1.1.
taking the anticorrosive material of the example, the chloride content (calculated by the mass of chloride ions) was determined by referring to the method for determining the 6.10 chloride content in the standard JG/T494-2016 purified sea sand for construction and municipal engineering, and the chloride content (calculated by the mass of chloride ions) was 0.0004%.
Example 9
A fire-proof steel structure building material comprises the following raw materials: 250kg of cement, 650kg of anticorrosive material containing sea sand and 1200kg of stones.
The preparation method of the fireproof steel structure building material comprises the following steps:
(1) and uniformly stirring cement, an anticorrosive material containing sea sand, stones and water to obtain concrete for later use, wherein the water content is 160 kg. The anticorrosive material containing sea sand was the anticorrosive material of example 3.
(2) Taking a square hollow steel pipe, welding and sealing one end of the square hollow steel pipe, injecting spare concrete, vertically stacking the canned steel pipes, transporting after initial setting, and using after 7 days;
the fire endurance of the steel structure of the example was 4.2 hours according to the fire endurance in the fire protection technical Specification for construction Steel structures, assigned to Nuo quality testing instruments and Equipment Ltd in Dongguan city.
Example 10
A fire-proof steel structure building material comprises the following raw materials: 350kg of cement, 750kg of anticorrosive material containing sea sand and 1300kg of stones.
The preparation method of the fireproof steel structure building material comprises the following steps:
(1) and uniformly stirring cement, an anticorrosive material containing sea sand, stones and water to obtain concrete for later use, wherein the water content is 250 kg. The anticorrosive material containing sea sand was the anticorrosive material of example 3.
(2) Taking a round hollow steel pipe, welding and sealing one end of the round hollow steel pipe, injecting spare concrete, vertically stacking the canned steel pipes, transporting after initial setting, and using after 7 days;
the fire endurance of the steel structure of the example was 4.1 hours according to the fire endurance in the fire protection technical Specification for construction Steel structures, assigned to Nuo quality testing instruments and Equipment Ltd in Dongguan city.
Example 11
A fire-proof steel structure building material comprises the following raw materials: 260kg of cement, 685kg of anticorrosive materials containing sea sand and 1250kg of stones.
The preparation method of the fireproof steel structure building material comprises the following steps:
(1) uniformly stirring cement, an anticorrosive material containing sea sand or an anticorrosive material containing waste soil, stones and water to obtain concrete for later use; wherein the amount of water is 200 kg. The anticorrosive material containing sea sand was the anticorrosive material of example 2.
(2) Taking a round hollow steel pipe, welding and sealing one end of the round hollow steel pipe, injecting spare concrete, vertically stacking the canned steel pipes, transporting after initial setting, and using after 7 days;
the fire endurance of the steel structure of the example was 4.1 hours according to the fire endurance in the fire protection technical Specification for construction Steel structures, assigned to Nuo quality testing instruments and Equipment Ltd in Dongguan city.
Example 12
A fire-proof steel structure building material comprises the following raw materials: 300kg of cement, 690kg of anticorrosive material containing sea sand and 1260kg of stones.
The preparation method of the fireproof steel structure building material comprises the following steps:
(1) uniformly stirring cement, an anticorrosive material containing sea sand, stones and water to obtain concrete for later use; wherein the amount of water is 180 kg. The anticorrosive material containing sea sand was the anticorrosive material of example 3.
(2) Taking a special-shaped hollow steel pipe, welding and sealing one end of the special-shaped hollow steel pipe, injecting spare concrete, vertically stacking the canned steel pipes, transporting after initial setting, and using after 7 days;
the fire endurance of the steel structure of the example was 4.5 hours according to the fire endurance in the fire protection technical Specification for construction Steel structures, assigned to Nuo quality testing instruments and Equipment Ltd in Dongguan city.
Example 13
A fire-proof steel structure building material comprises the following raw materials: 255kg of cement, 660kg of anticorrosive material containing waste soil and 1230kg of stones.
The preparation method of the fireproof steel structure building material comprises the following steps:
(1) and uniformly stirring cement, an anticorrosive material containing waste soil, stones and water to obtain concrete for later use, wherein the water content is 175 kg. The anticorrosive material containing waste soil was the anticorrosive material of example 8.
(2) Taking a square hollow steel pipe, welding and sealing one end of the square hollow steel pipe, injecting spare concrete, vertically stacking the canned steel pipes, transporting after initial setting, and using after 7 days;
the fire endurance of the steel structure of the example was 4.0 hours according to the fire endurance in the fire protection technical Specification for construction Steel structures, assigned to Nuo quality testing instruments and Equipment Ltd in Dongguan city.
Example 14
A fire-proof steel structure building material comprises the following raw materials: 340kg of cement, 750kg of anticorrosive material containing waste soil and 1290kg of stones.
The preparation method of the fireproof steel structure building material comprises the following steps:
(1) and uniformly stirring cement, an anticorrosive material containing waste soil, stones and water to obtain concrete for later use, wherein the weight of the water is 245 kg. The anticorrosive material containing waste soil was the anticorrosive material of example 9.
(2) Taking a square hollow steel pipe, welding and sealing one end of the square hollow steel pipe, injecting spare concrete, vertically stacking the canned steel pipes, transporting after initial setting, and using after 7 days;
the fire endurance of the steel structure of the example was 4.1 hours according to the fire endurance in the fire protection technical Specification for construction Steel structures, assigned to Nuo quality testing instruments and Equipment Ltd in Dongguan city.
Example 14
A fire-proof steel structure building material comprises the following raw materials: 300kg of cement, 690kg of anticorrosive material containing waste soil and 1260kg of stones.
The preparation method of the fireproof steel structure building material comprises the following steps:
(1) and uniformly stirring cement, an anticorrosive material containing waste soil, stones and water to obtain concrete for later use, wherein the water content is 180 kg. The anticorrosive material containing waste soil was the anticorrosive material of example 7.
(2) Taking a square hollow steel pipe, welding and sealing one end of the square hollow steel pipe, injecting spare concrete, vertically stacking the canned steel pipes, transporting after initial setting, and using after 7 days;
the fire endurance of the steel structure of the example was 4.1 hours according to the fire endurance in the fire protection technical Specification for construction Steel structures, assigned to Nuo quality testing instruments and Equipment Ltd in Dongguan city.
It should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. It is intended that the present invention be understood and implemented by those skilled in the art, and not limited thereto. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (7)

1. The utility model provides a fire prevention steel construction building material which characterized in that: the building material comprises the following raw materials: cement, anticorrosive material containing sea sand or anticorrosive material containing waste soil, and stone.
2. The building material with fireproof steel structure as described in claim 1, wherein the cement is used in an amount of 350 parts by weight, the anti-corrosive material containing sea sand or waste soil is used in an amount of 650 parts by weight, and the stone is used in an amount of 1300 parts by weight.
3. A fire-resistant steel structural building material according to claim 1, wherein the cement is 300 parts by weight, the anticorrosive material containing sea sand or the anticorrosive material containing waste soil is 690 parts by weight, and the stones are 1260 parts by weight.
4. A fire-resistant steel structural building material according to any one of claims 1 to 3, wherein the raw material of the sea sand-containing anticorrosive material or the waste soil-containing anticorrosive material comprises: methyl sodium silicate or methyl potassium silicate and water glass, wherein the weight ratio of the methyl sodium silicate or the methyl potassium silicate to the water glass is as follows: 0.8-1.2:1-2.
5. A fire-resistant steel structural building material according to any one of claims 1 to 3, wherein the raw material of the sea sand-containing anticorrosive material or the waste soil-containing anticorrosive material comprises: the weight ratio of the methyl sodium silicate or the methyl potassium silicate to the water glass is as follows: 1:1.5.
6. The fireproof steel structure building material according to claim 4 or 5, wherein the preparation method of the anticorrosive material containing sea sand or the anticorrosive material containing waste soil comprises the following steps:
(1) pouring methyl sodium silicate or methyl potassium silicate into water, wherein the weight ratio of the methyl sodium silicate or the methyl potassium silicate to the water is as follows: 1: 15-40 parts of; adding water glass after uniformly stirring, and uniformly stirring to obtain a standby raw material;
(2) adding sea sand or waste soil into the standby raw materials in the step (1), uniformly stirring, removing water, and drying to obtain an anticorrosive material;
wherein the weight ratio of the sea sand or the waste soil to the standby raw materials is as follows: 1: 0.8-1.2.
7. The fireproof steel-structured building material according to any one of claims 1 to 6, which is prepared by the method comprising:
(1) taking cement, an anticorrosive material containing sea sand or an anticorrosive material containing waste soil, stones and water, and uniformly stirring to obtain concrete for later use;
(2) taking a square, round or special-shaped hollow steel pipe, welding and sealing one end of the hollow steel pipe, injecting spare concrete, vertically stacking the canned steel pipes, transporting after initial setting, and using after 7 days;
wherein the weight ratio of the anticorrosive material to water is as follows: 65-75: 16-25.
CN202111409748.3A 2021-11-19 2021-11-19 Fireproof steel structure building material and preparation method thereof Pending CN113896502A (en)

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CN104264903A (en) * 2014-09-10 2015-01-07 哈尔滨工业大学深圳研究生院 Overall sea concrete filled steel tube component and application method thereof
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