CN106187014A - A kind of desulfurized gypsum base heat preservation slurry and lightweight light gauge cold-formed steel shape combined wall thereof - Google Patents

A kind of desulfurized gypsum base heat preservation slurry and lightweight light gauge cold-formed steel shape combined wall thereof Download PDF

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Publication number
CN106187014A
CN106187014A CN201610643489.3A CN201610643489A CN106187014A CN 106187014 A CN106187014 A CN 106187014A CN 201610643489 A CN201610643489 A CN 201610643489A CN 106187014 A CN106187014 A CN 106187014A
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China
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gypsum base
steel
desulfurized gypsum
light gauge
heat preservation
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Inventor
刘云霄
吴涵恒
周天华
秦沛远
张志宏
董莹斐
桑刘睿
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Changan University
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Changan University
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    • 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
    • C04B28/14Compositions 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 calcium sulfate cements
    • C04B28/142Compositions 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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
    • C04B28/144Compositions 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 calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/562Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • 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 provides a kind of desulfurized gypsum base heat preservation slurry and lightweight light gauge cold-formed steel shape combined wall thereof, including the channel-section steel being arranged on bottom, multiple equally distributed light gauge cold-formed steel shape column vertically it is consolidated with on described channel-section steel, described column both sides are provided with shingle nail, pour desulfurized gypsum base heat preservation slurry in cavity between shingle nail, after solidification, form desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall.Described desulfurized gypsum base heat preservation slurry includes desulfurated plaster, cement and flyash, lightweight aggregate, water reducer, retarder, thickening agent and water;Described lightweight aggregate is granular polystyrene or expanded and vitrified small ball.The addition of lightweight aggregate, it is possible to reducing material deadweight to a certain extent, intensity also can increase simultaneously.Existence due to lightweight aggregate, it is possible to ensure heat preservation slurry volume stability, cause to avoid material to shrink after drying with shingle nail segregation phenomenon, it is ensured that body of wall fits tightly with shingle nail, makes body of wall comprehensive load capacity increase.

Description

A kind of desulfurized gypsum base heat preservation slurry and lightweight light gauge cold-formed steel shape combined wall thereof
Technical field
The invention belongs to construction wall field, relate to light gauge cold-formed steel shape body of wall, be specifically related to a kind of desulfurized gypsum base and protect Temperature slurry and lightweight light gauge cold-formed steel shape combined wall thereof.
Background technology
Light gauge cold-formed steel shape building dwelling house system is a kind of novel cold formed steel structure dwelling house system, its material therefor Being green building material, wherein steel structure material can 100% reclaim, and other supplementary materials also can major part reclaim, and meets ecological ring Border requirement.Under the situation that world today's environmental problem is especially prominent, popularization and application cold-formed steel residence system has very High economic benefit and social benefit.In cold formed steel structure application process, " hollowing " that have resident family to propose body of wall asks Topic, often fills the glass cotton with insulation effect in current cold formed steel structure body of wall, it is to cause that the glass cotton moisture absorption is caved in The main cause that cavity sense occurs.Comprehensive such body of wall of analyzing, discovery also has following weak point: heat-preservation cotton is to assembled wall body It is that bearing capacity is without any contribution, it is impossible to share body of wall stress, it is impossible to Os Draconis are formed sidewise restraint, Os Draconis local easily occurs Buckling failure phenomenon.
The coal fired power plant flue gas desulfurization a large amount of solid waste desulfurated plasters of generation, 2000, China's desulfurated plaster total output Reaching 2,000,000 tons, the annual production of desulfurated plaster in 2010 is more than 13,000,000 tons, at present, the desulfurated plaster after calcining is used for stone Cream production of articles, or directly as producing the adjustable solidification agent of cement, be the main application direction of desulfurated plaster, China not yet finds and adds Other effective way of its producing level big.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to, it is provided that a kind of desulfurized gypsum base lightweight clod wash is thin Wall-shaped steel composite wall body, on the premise of ensureing heat insulation effect, improves the bearing capacity of body of wall.
It is a further object of the invention to provide a kind of desulfurized gypsum base heat preservation slurry, be cast in above-mentioned combined wall In, on the premise of ensureing heat insulation effect, improve the ability of combining closely with main framing after heat preservation slurry solidifies.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that and is achieved:
A kind of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall, including the channel-section steel bottom being arranged on, its feature exists In: being vertically consolidated with multiple equally distributed light gauge cold-formed steel shape column on described channel-section steel, described column both sides are provided with Shingle nail, pours desulfurized gypsum base heat preservation slurry in the cavity between shingle nail, form desulfurized gypsum base lightweight clod wash after solidification Light-gauge steel section combined wall.
The present invention also has a following distinguishing feature:
Described shingle nail is arranged on column both sides by tapping screw.
Described shingle nail is Thistle board or oriented structure chipboard.
The present invention also protects a kind of desulfurized gypsum base heat preservation slurry, including desulfurated plaster, cement and flyash, also includes light Aggregate, water reducer, retarder, thickening agent and water.
Described lightweight aggregate is granular polystyrene or expanded and vitrified small ball.
In terms of weight fraction, be made up of following raw material: desulfurated plaster is 51.64%~53.78%, cement be 9.68%~ 10.00%, flyash is 3.23%~3.29%, and granular polystyrene is 0.52%~0.99%, water reducer be 0.97%~ 1.01%, retarder is 0.15%~0.17%, and air entraining agent is 0~0.51%, and thickening agent is 0.03%~0.05%, and fiber is 0%~3.76%, surplus is water, and the percentage by weight sum of raw material is 100%;
Or, in terms of weight fraction, it being made up of following raw material: desulfurated plaster is 42.86%~45.37%, cement is 7.47%~8.51%, flyash is 2.49%~2.84%, and expanded and vitrified small ball is 8.50%~10.22%, and water reducer is 0.75%~0.85%, retarder is 0.13%~0.15%, and air entraining agent is 0~0.44%, thickening agent be 0.03%~ 0.05%, fiber is 0%~3.76%, and surplus is water, and the percentage by weight sum of raw material is 100%.
Described water reducer is high performance water reducing agent of polyocarboxy acid.
Described retarder is more than one the combination in citric acid, sodium tripolyphosphate, sodium polyphosphate or Borax.
Described thickening agent is hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose and carboxymethyl cellulose In more than one combination.
Described air entraining agent is more than one the group in sodium lignin sulfonate, sodium abietate and dodecylbenzene sodium sulfonate Close.
Described fiber is rock cotton board waste material fiber.
The present invention compared with prior art, has the following technical effect that
The experiment proved that, desulfurized gypsum base heat preservation slurry is applied to light gauge cold-formed steel shape combined wall, is effectively increased wall The bearing capacity of body, unique formula design makes product have a following distinguishing feature:
(I) addition of lightweight aggregate, in the case of other materials consumption is certain, it is possible to reduce material to a certain extent certainly Weight, intensity also can increase simultaneously.Existence due to lightweight aggregate, it is possible to ensure the volume stability of heat preservation slurry, to avoid Material shrink after drying cause with shingle nail segregation phenomenon, it is ensured that body of wall fits tightly with shingle nail, makes body of wall comprehensively carry Ability increases.
(II) air entraining agent combines the utilization of lightweight aggregate, makes heat preservation slurry have good heat-insulating property, the heat transfer system of body of wall Number is equivalent to the heat transfer coefficient of 2~5 times of thickness brick walls.
(III) in light gauge cold-formed steel shape framework fill insulation slurry after bearing capacity be greatly improved, can with effectively save steel, Reduce cost.
(IV) intensity can be designed according to needs;Adjust desulfurated plaster composite gelled material consumption with water consumption ratio i.e. The heat preservation slurry of varying strength can be obtained, the difference that can require according to structure and design during application, select varying strength, different table See the materials for wall of density, meet the different requirements of low layer cold-formed steel residence and multilamellar cold-formed steel residence.
(V) Binder Materials is modified, and has good resistance to water.
(VI) utilize inorfil toughness reinforcing.
(VII) there is good workability, it is adaptable to cast-in-place engineering construction.
(VIII), after products application, residential security and the comfort level of house will be improved, promote cold-formed steel residence skill Art progress.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall of the present invention.
In figure, the implication of each label is: 1-channel-section steel, 2-light gauge cold-formed steel shape column, 3-shingle nail, 4-desulfurized gypsum base Heat preservation slurry, 5-tapping screw.
Below in conjunction with embodiment, the particular content of the present invention is further explained in detail explanation.
Detailed description of the invention
Utilize desulfurated plaster as major gelled material, make full use of gypsum plaster toughness relative to cement-based material The feature that toughness is good, on the basis of improving materials for wall performance, consumes industrial solid castoff, also reduces body of wall simultaneously The cost of material.Along with the enforcement of the new fire-protection standard of China, rock-wool heat insulation plate has welcome the huge market opportunity.Along with rock wool is used The increase of amount, rock cotton board produces waste material and uses waste material also by more and more, increased as materials for wall by rock cotton board waste material fiber Tough fiber, not only solves residual storage and takes up an area problem, be conducive to protecting environment simultaneously.
For solving the deficiency that cold formed steel structure causes due to materials for wall, design is applicable to the desulfurization of cast-in-place construction Gypsum base heat preservation slurry, adjusts lightweight aggregate, air bubble content acquisition different mechanical properties and the heat preservation slurry of heat-insulating property.For solving Inorganic material formulated materials for wall toughness is not enough, the problem not possessing the deformation performance coordinated mutually with steel construction, it is considered to Heat preservation slurry mixes fiber and carries out toughness reinforcing.Rock cotton board waste material is used for the increasing of the special materials for wall of cold formed steel structure Tough, while reducing rock cotton board trash discharge, the deformability of materials for wall can be effectively improved.Especially inorfil class is toughness reinforcing The fire protecting performance of material high, provides cold formed steel structure entirety fire protecting performance and is effectively ensured.
The specific embodiment of the present invention given below, it should be noted that and the invention is not limited in and implement in detail below Example, all equivalents done on the basis of technical scheme each fall within protection scope of the present invention.
Embodiment 1: lightweight aggregate is granular polystyrene
The present embodiment provides a kind of desulfurized gypsum base heat preservation slurry, in terms of weight fraction, is made up of following raw material: desulfurization stone Cream is 52.69kg, and cement is 9.88kg, and flyash is 3.29kg, and lightweight aggregate is 0.78kg, and water reducer is 0.99kg, retarder For 0.15kg, air entraining agent is 0.33kg, and thickening agent is 0.03kg, and fiber is 2.58kg, and surplus is water, the percentage by weight of raw material Sum is 100%.
Wherein:
Lightweight aggregate is granular polystyrene.
Retarder is citric acid, sodium tripolyphosphate, sodium polyphosphate or Borax, optimization citric acid.
Thickening agent is hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose or carboxymethyl cellulose, preferably Hydroxypropyl methyl cellulose.
Water reducer is high performance water reducing agent of polyocarboxy acid.
Air entraining agent is sodium lignin sulfonate, sodium abietate or dodecylbenzene sodium sulfonate, preferably sodium abietate.
Fiber is rock cotton board waste material fiber.
Desulfurized gypsum base heat preservation slurry is i.e. prepared after above-mentioned raw materials is stirred 10min.
The mortar fluidity using mortar fluidity analyzer to record heat preservation slurry is 20.0cm, and wet apparent density is 944g/cm3, dry apparent density is 762g/cm3, measure its comprcssive strength 1.39MPa, heat conductivity is 0.1389W/m K.
Embodiment 2: lightweight aggregate is granular polystyrene, does not has air entraining agent
The present embodiment provides a kind of desulfurized gypsum base heat preservation slurry, in terms of weight fraction, is made up of following raw material: desulfurization stone Cream is 53.78kg, and cement is 10.00kg, and flyash is 3.26kg, and lightweight aggregate is 0.52kg, and water reducer is 1.01kg, retarder For 0.16kg, thickening agent is 0.04kg, and fiber is 3.76kg, and surplus is water, and the percentage by weight sum of raw material is 100%.
Wherein:
Lightweight aggregate is granular polystyrene.
Retarder is citric acid and the sodium tripolyphosphate compositions according to mass ratio 1:1, or sodium polyphosphate and Borax According to the compositions of mass ratio 1:1, optimization citric acid and sodium tripolyphosphate according to the compositions of mass ratio 1:1.
Thickening agent is hydroxypropyl methyl cellulose and the hydroxyethyl cellulose compositions according to mass ratio 1:1, or hydroxypropyl Base cellulose and carboxymethyl cellulose are according to the compositions of mass ratio 1:1.
Water reducer is high performance water reducing agent of polyocarboxy acid.
Fiber is rock cotton board waste material fiber.
Desulfurized gypsum base heat preservation slurry is i.e. prepared after above-mentioned raw materials is stirred 10min.
The mortar fluidity using mortar fluidity analyzer to record heat preservation slurry is 22.0cm, and wet apparent density is 1134g/cm3, dry apparent density is 935g/cm3, measure its comprcssive strength 4.61MPa, heat conductivity is 0.2203W/m K.
Embodiment 3: lightweight aggregate is granular polystyrene, does not has fiber
The present embodiment provides a kind of desulfurized gypsum base heat preservation slurry, in terms of weight fraction, is made up of following raw material: desulfurization stone Cream is 51.64kg, and cement is 9.68kg, and flyash is 3.23kg, and lightweight aggregate is 0.99kg, and water reducer is 0.97kg, retarder For 0.17kg, air entraining agent is 0.51kg, and thickening agent is 0.05kg, and surplus is water, and the percentage by weight sum of raw material is 100%.
Wherein:
Lightweight aggregate is granular polystyrene.
Described retarder is citric acid, sodium tripolyphosphate, sodium polyphosphate and the Borax group according to mass ratio 1:1:1:1 Compound.
Thickening agent be hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose and carboxymethyl cellulose according to The compositions of mass ratio 1:1:1:1.
Water reducer is high performance water reducing agent of polyocarboxy acid.
Air entraining agent is the combination according to mass ratio 1:1:1 of sodium lignin sulfonate, sodium abietate and dodecylbenzene sodium sulfonate Thing.
Desulfurized gypsum base heat preservation slurry is i.e. prepared after above-mentioned raw materials is stirred 10min.
The mortar fluidity using mortar fluidity analyzer to record heat preservation slurry is 21.2cm, and wet apparent density is 756g/cm3, dry apparent density is 482g/cm3, measure its comprcssive strength 0.62MPa, heat conductivity is 0.1129W/m K.
Comparative example 1: do not have lightweight aggregate granular polystyrene
This comparative example provides a kind of desulfurized gypsum base heat preservation slurry, and other components of this formula are same as in Example 3, and difference is only It is only that in this comparative example and does not add lightweight aggregate, the constituent content of lightweight aggregate desulfurated plaster polishing.
Desulfurized gypsum base heat preservation slurry is i.e. prepared after above-mentioned raw materials is stirred 10min.
The mortar fluidity using mortar fluidity analyzer to record heat preservation slurry is 21.0cm, and wet apparent density is 806g/cm3, dry apparent density is 568g/cm3, measure its comprcssive strength 0.58MPa, heat conductivity is 0.1261W/m K.
Embodiment 4: lightweight aggregate is expanded and vitrified small ball
The present embodiment provides a kind of desulfurized gypsum base heat preservation slurry, in terms of weight fraction, is made up of following raw material: desulfurization stone Cream is 44.21kg, and cement is 8.29kg, and flyash is 2.76kg, and lightweight aggregate is 8.50kg, and water reducer is 0.83kg, retarder For 0.14kg, air entraining agent is 0.44kg, and thickening agent is 0.03kg, and fiber is 2.68kg, and surplus is water, the percentage by weight of raw material Sum is 100%.
Wherein:
Lightweight aggregate is expanded and vitrified small ball.
Retarder is citric acid, sodium tripolyphosphate, sodium polyphosphate or Borax, optimization citric acid.
Thickening agent is hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose or carboxymethyl cellulose, preferably Hydroxypropyl methyl cellulose.
Water reducer is high performance water reducing agent of polyocarboxy acid.
Air entraining agent is in sodium lignin sulfonate, sodium abietate or dodecylbenzene sodium sulfonate, preferably sodium abietate.
Fiber is rock cotton board waste material fiber.
Desulfurized gypsum base heat preservation slurry is i.e. prepared after above-mentioned raw materials is stirred 10min.
The mortar fluidity using mortar fluidity analyzer to record heat preservation slurry is 22.0cm, and wet apparent density is 966g/cm3, dry apparent density is 763g/cm3, measure its comprcssive strength 1.86MPa, heat conductivity is 0.1424W/m K.
Embodiment 5: lightweight aggregate is expanded and vitrified small ball, does not has air entraining agent
The present embodiment provides a kind of desulfurized gypsum base heat preservation slurry, in terms of weight fraction, is made up of following raw material: desulfurization stone Cream is 45.37kg, and cement is 8.51kg, and flyash is 2.84kg, and lightweight aggregate is 8.72kg, and water reducer is 0.85kg, retarder For 0.15kg, thickening agent is 0.04kg, and fiber is 3.76kg, and surplus is water, and the percentage by weight sum of raw material is 100%.
Wherein:
Lightweight aggregate is expanded and vitrified small ball.
Retarder is citric acid and the sodium tripolyphosphate compositions according to mass ratio 1:1, or sodium polyphosphate and Borax According to the compositions of mass ratio 1:1, optimization citric acid and sodium tripolyphosphate according to the compositions of mass ratio 1:1.
Thickening agent is hydroxypropyl methyl cellulose and the hydroxyethyl cellulose compositions according to mass ratio 1:1, or hydroxypropyl Base cellulose and carboxymethyl cellulose are according to the compositions of mass ratio 1:1.
Water reducer is high performance water reducing agent of polyocarboxy acid.
Fiber is rock cotton board waste material fiber.
Desulfurized gypsum base heat preservation slurry is i.e. prepared after above-mentioned raw materials is stirred 10min.
The mortar fluidity using mortar fluidity analyzer to record heat preservation slurry is 20.0cm, and wet apparent density is 1388g/cm3, dry apparent density is 1206g/cm3, measure its comprcssive strength 4.85MPa, heat conductivity is 0.2316W/m K.
Embodiment 6: lightweight aggregate is expanded and vitrified small ball, does not has fiber
The present embodiment provides a kind of desulfurized gypsum base heat preservation slurry, in terms of weight fraction, is made up of following raw material: desulfurization stone Cream is 42.86kg, and cement is 7.47kg, and flyash is 2.49kg, and lightweight aggregate is 10.22kg, and water reducer is 0.75kg, retarder For 0.13kg, air entraining agent is 0.40kg, and thickening agent is 0.05kg, and surplus is water, and the percentage by weight sum of raw material is 100%.
Wherein:
Lightweight aggregate is expanded and vitrified small ball.
Described retarder is citric acid, sodium tripolyphosphate, sodium polyphosphate and the Borax group according to mass ratio 1:1:1:1 Compound.
Thickening agent be hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose and carboxymethyl cellulose according to The compositions of mass ratio 1:1:1:1.
Water reducer is high performance water reducing agent of polyocarboxy acid.
Air entraining agent is the combination according to mass ratio 1:1:1 of sodium lignin sulfonate, sodium abietate and dodecylbenzene sodium sulfonate Thing.
Desulfurized gypsum base heat preservation slurry is i.e. prepared after above-mentioned raw materials is stirred 10min.
The mortar fluidity using mortar fluidity analyzer to record heat preservation slurry is 20.5cm, and wet apparent density is 874g/cm3, dry apparent density is 715g/cm3, measure its comprcssive strength 1.06MPa, heat conductivity is 0.1475W/m K.
Comparative example 2: do not have lightweight aggregate expanded and vitrified small ball
This comparative example provides a kind of desulfurized gypsum base heat preservation slurry, and other components of this formula are same as in Example 6, and difference is only It is only that in this comparative example and does not add lightweight aggregate, the constituent content of lightweight aggregate desulfurated plaster polishing.
Desulfurized gypsum base heat preservation slurry is i.e. prepared after above-mentioned raw materials is stirred 10min.
The mortar fluidity using mortar fluidity analyzer to record heat preservation slurry is 20.3cm, and wet apparent density is 758g/cm3, dry apparent density is 523g/cm3, measure its comprcssive strength 0.53MPa, heat conductivity is 0.1193W/m K.
Embodiment 7:
Defer to technique scheme, as it is shown in figure 1, the present embodiment provides a kind of desulfurized gypsum base lightweight light gauge cold-formed steel shape Combined wall, including the channel-section steel 1 bottom being arranged on, described channel-section steel 1 is vertically consolidated with multiple equally distributed cold bending thin wall Shaped steel column 2, described column 2 both sides are provided with shingle nail 3, pour desulfurized gypsum base insulation in the cavity between shingle nail 3 Slurry 4, forms desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall after solidification.
Shingle nail 3 is arranged on column both sides by tapping screw 5.
Shingle nail 3 is Thistle board or oriented structure chipboard.
Channel-section steel 1 is U-type groove steel.
The spacing of light gauge cold-formed steel shape column 2 is 400mm, and the thickness of shingle nail 3 is 10mm, between a pair shingle nail 3 Width is 90mm.During test of bearing capacity metope be width be 1.2m.
The shingle nail of side is Thistle board, and the shingle nail of opposite side is oriented structure chipboard (i.e. OSB plate).
Desulfurized gypsum base heat preservation slurry in the present embodiment uses the desulfurized gypsum base heat preservation slurry in embodiment 1.
It is OSB plate that heat preservation slurry is poured into side shingle nail, and side shingle nail is the cold bending thin wall type of Thistle board In steel frame, using evenly load load mode, the bearing capacity of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall is 230kN, thickness 90mm wall heat transfer coefficient is 1.543W/m2K, conducts oneself with dignity for 68kg/m2.Cold bending thin wall in relative contrast's example 3 Shaped steel combined wall, the bearing power increase 65% of the desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall of the present embodiment, have Effect has delayed steel frame buckling failure.
Desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall in relative contrast's example 4, the desulfurated plaster of the present embodiment The bearing power increase 26% of base lightweight light gauge cold-formed steel shape combined wall, has effectively delayed steel frame buckling failure.
Comparative example 3:
This comparative example provides a kind of light gauge cold-formed steel shape combined wall, and other structures are identical with enforcement 7, and difference only exists In: fill rock cotton board in the cavity between shingle nail, form light gauge cold-formed steel shape combined wall.
Using evenly load load mode, light gauge cold-formed steel shape bearing capacity of wall body is 139kN.
Comparative example 4:
This comparative example provides a kind of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall, other structures and enforcement 7 phases With, differ only in the desulfurized gypsum base heat preservation slurry in the present embodiment and use the desulfurized gypsum base insulation slurry in comparative example 1 Material.
Using evenly load load mode, light gauge cold-formed steel shape bearing capacity of wall body is 182kN, thickness 90mm wall heat transfer system Number is 1.401W/m2K, conducts oneself with dignity for 51kg/m2
Embodiment 8:
The present embodiment provides a kind of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall, its structure and embodiment 7 phase With, differ only in the desulfurized gypsum base heat preservation slurry in the present embodiment and use the desulfurized gypsum base insulation slurry in embodiment 2 Material.
It is OSB plate that heat preservation slurry is poured into side shingle nail, and side shingle nail is the cold bending thin wall type of Thistle board In steel frame, using evenly load load mode, the bearing capacity of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall is 350kN, thickness 90mm wall heat transfer coefficient is 2.448W/m2K, conducts oneself with dignity for 84kg/m2.Cold bending thin wall in relative contrast's example 3 Shaped steel combined wall, the bearing power increase 152% of the desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall of the present embodiment, have Effect has delayed steel frame buckling failure.
Desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall in relative contrast's example 4, the desulfurated plaster of the present embodiment The bearing power increase 92% of base lightweight light gauge cold-formed steel shape combined wall, has effectively delayed steel frame buckling failure.
Embodiment 9:
The present embodiment provides a kind of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall, its structure and embodiment 7 phase With, differ only in the desulfurized gypsum base heat preservation slurry in the present embodiment and use the desulfurized gypsum base insulation slurry in embodiment 3 Material.
It is OSB plate that heat preservation slurry is poured into side shingle nail, and side shingle nail is the cold bending thin wall type of Thistle board In steel frame, using evenly load load mode, the bearing capacity of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall is 195kN, thickness 90mm wall heat transfer coefficient is 1.254W/m2K, conducts oneself with dignity for 43kg/m2.Cold bending thin wall in relative contrast's example 3 Shaped steel combined wall, the bearing power increase 40% of the desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall of the present embodiment, have Effect has delayed steel frame buckling failure.
Desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall in relative contrast's example 4, the desulfurated plaster of the present embodiment The bearing power increase 7% of base lightweight light gauge cold-formed steel shape combined wall, has effectively delayed steel frame buckling failure.
Embodiment 10:
The present embodiment provides a kind of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall, its structure and embodiment 7 phase With, differ only in the desulfurized gypsum base heat preservation slurry in the present embodiment and use the desulfurized gypsum base insulation slurry in embodiment 4 Material.
It is OSB plate that heat preservation slurry is poured into side shingle nail, and side shingle nail is the cold bending thin wall type of Thistle board In steel frame, using evenly load load mode, the bearing capacity of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall is 280kN, thickness 90mm wall heat transfer coefficient is 1.693W/m2K, conducts oneself with dignity for 75kg/m2.Cold bending thin wall in relative contrast's example 3 Shaped steel combined wall, the bearing power increase 101% of the desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall of the present embodiment, have Effect has delayed steel frame buckling failure.
Desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall in relative contrast's example 5, the desulfurated plaster of the present embodiment The bearing power increase 59% of base lightweight light gauge cold-formed steel shape combined wall, has effectively delayed steel frame buckling failure.
Comparative example 5:
This comparative example provides a kind of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall, other structures and enforcement 7 phases With, differ only in the desulfurized gypsum base heat preservation slurry in the present embodiment and use the desulfurized gypsum base insulation slurry in comparative example 2 Material.
Using evenly load load mode, light gauge cold-formed steel shape bearing capacity of wall body is 176kN, thickness 90mm wall heat transfer system Number is 1.326W/m2K, conducts oneself with dignity for 47kg/m2
Embodiment 11:
The present embodiment provides a kind of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall, its structure and embodiment 7 phase With, differ only in the desulfurized gypsum base heat preservation slurry in the present embodiment and use the desulfurized gypsum base insulation slurry in embodiment 5 Material.
It is OSB plate that heat preservation slurry is poured into side shingle nail, and side shingle nail is the cold bending thin wall type of Thistle board In steel frame, using evenly load load mode, the bearing capacity of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall is 356kN, thickness 90mm wall heat transfer coefficient is 2.573W/m2K, conducts oneself with dignity for 108kg/m2.Clod wash in relative contrast's example 3 is thin Wall-shaped steel composite wall body, the bearing power increase 156% of the desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall of the present embodiment, Effectively delay steel frame buckling failure.
Desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall in relative contrast's example 5, the desulfurated plaster of the present embodiment The bearing power increase 102% of base lightweight light gauge cold-formed steel shape combined wall, has effectively delayed steel frame buckling failure.
Embodiment 12:
The present embodiment provides a kind of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall, its structure and embodiment 7 phase With, differ only in the desulfurized gypsum base heat preservation slurry in the present embodiment and use the desulfurized gypsum base insulation slurry in embodiment 6 Material.
It is OSB plate that heat preservation slurry is poured into side shingle nail, and side shingle nail is the cold bending thin wall type of Thistle board In steel frame, using evenly load load mode, the bearing capacity of desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall is 212kN, thickness 90mm wall heat transfer coefficient is 1.639W/m2K, conducts oneself with dignity for 64kg/m2.Cold bending thin wall in relative contrast's example 3 Shaped steel combined wall, the bearing power increase 53% of the desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall of the present embodiment, have Effect has delayed steel frame buckling failure.
Desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall in relative contrast's example 5, the desulfurated plaster of the present embodiment The bearing power increase 20% of base lightweight light gauge cold-formed steel shape combined wall, has effectively delayed steel frame buckling failure.

Claims (10)

1. a desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall, including the channel-section steel (1) bottom being arranged on, its feature exists In: vertically it is consolidated with multiple equally distributed light gauge cold-formed steel shape column (2), described column (2) two on described channel-section steel (1) Side is provided with shingle nail (3), pours desulfurized gypsum base heat preservation slurry (4) in the cavity between shingle nail (3), is formed de-after solidification Sulfur gypsum base lightweight light gauge cold-formed steel shape combined wall.
2. desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall as claimed in claim 1, it is characterised in that: described is de- Sulfur gypsum base heat preservation slurry includes desulfurated plaster, cement and flyash, lightweight aggregate, water reducer, retarder, thickening agent and water;
Described lightweight aggregate is granular polystyrene or expanded and vitrified small ball.
3. desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall as claimed in claim 2, it is characterised in that: described is de- Sulfur gypsum base heat preservation slurry, in terms of weight fraction, is made up of following raw material: desulfurated plaster is 51.64%~53.78%, cement Being 9.68%~10.00%, flyash is 3.23%~3.29%, and granular polystyrene is 0.52%~0.99%, and water reducer is 0.97%~1.01%, retarder is 0.15%~0.17%, and air entraining agent is 0~0.51%, thickening agent be 0.03%~ 0.05%, fiber is 0%~3.76%, and surplus is water, and the percentage by weight sum of raw material is 100%;
Or, in terms of weight fraction, it being made up of following raw material: desulfurated plaster is 42.86%~45.37%, cement is 7.47% ~8.51%, flyash is 2.49%~2.84%, and expanded and vitrified small ball is 8.50%~10.22%, and water reducer is 0.75% ~0.85%, retarder is 0.13%~0.15%, and air entraining agent is 0~0.44%, and thickening agent is 0.03%~0.05%, fiber Being 0%~3.76%, surplus is water, and the percentage by weight sum of raw material is 100%.
4. desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall as claimed in claim 2, it is characterised in that: described subtracts Water preparation is high performance water reducing agent of polyocarboxy acid;Described retarder is in citric acid, sodium tripolyphosphate, sodium polyphosphate or Borax More than one combination;Described thickening agent is hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose and carboxymethyl More than one combination in cellulose.
5. desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall as claimed in claim 3, it is characterised in that: described draws Gas agent is more than one the combination in sodium lignin sulfonate, sodium abietate and dodecylbenzene sodium sulfonate;Described fiber is Rock cotton board waste material fiber.
6. desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall as claimed in claim 1, it is characterised in that: described wall Panel (3) is arranged on column (2) both sides by tapping screw (5);Described shingle nail (3) is Thistle board or directive construction Particieboard.
7. a desulfurized gypsum base heat preservation slurry, including desulfurated plaster, cement, flyash and water, it is characterised in that: also include light Aggregate, water reducer, retarder and thickening agent;
Described lightweight aggregate is expanded and vitrified small ball or granular polystyrene.
8. desulfurized gypsum base heat preservation slurry as claimed in claim 7, it is characterised in that: in terms of weight fraction, by following raw material Composition: desulfurated plaster is 51.64%~53.78%, and cement is 9.68%~10.00%, and flyash is 3.23%~3.29%, Granular polystyrene is 0.52%~0.99%, and water reducer is 0.97%~1.01%, and retarder is 0.15%~0.17%, air entraining agent Being 0~0.51%, thickening agent is 0.03%~0.05%, and fiber is 0%~3.76%, and surplus is water, the weight percent of raw material It is 100% than sum;
Or, in terms of weight fraction, it being made up of following raw material: desulfurated plaster is 42.86%~45.37%, cement is 7.47% ~8.51%, flyash is 2.49%~2.84%, and expanded and vitrified small ball is 8.50%~10.22%, and water reducer is 0.75% ~0.85%, retarder is 0.13%~0.15%, and air entraining agent is 0~0.44%, and thickening agent is 0.03%~0.05%, fiber Being 0%~3.76%, surplus is water, and the percentage by weight sum of raw material is 100%.
9. desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall as claimed in claim 7, it is characterised in that: described subtracts Water preparation is high performance water reducing agent of polyocarboxy acid;Described retarder is in citric acid, sodium tripolyphosphate, sodium polyphosphate or Borax More than one combination;Described thickening agent is hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose and carboxymethyl More than one combination in cellulose.
10. desulfurized gypsum base lightweight light gauge cold-formed steel shape combined wall as claimed in claim 8, it is characterised in that: described Air entraining agent is more than one the combination in sodium lignin sulfonate, sodium abietate and dodecylbenzene sodium sulfonate;Described fiber For rock cotton board waste material fiber.
CN201610643489.3A 2016-08-08 2016-08-08 A kind of desulfurized gypsum base heat preservation slurry and lightweight light gauge cold-formed steel shape combined wall thereof Pending CN106187014A (en)

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CN106958308A (en) * 2017-05-09 2017-07-18 沈阳建筑大学 A kind of light steel foam concrete assembled wall of assembled and its application method
CN107098667A (en) * 2017-06-28 2017-08-29 武汉菡美洛建筑材料有限公司 Gypsum base light energy conservation plate and preparation method thereof
CN107140926A (en) * 2017-04-28 2017-09-08 杭萧钢构股份有限公司 A kind of gypsum base steel structure fireproof protection material
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CN107216108A (en) * 2017-06-28 2017-09-29 武汉菡美洛建筑材料有限公司 High performance plaster-based board adhesive mortar and preparation method thereof
CN109339242A (en) * 2018-11-12 2019-02-15 石家庄铁道大学 Assembled light gauge cold-formed steel shape assembled house structural system and construction method
CN110156491A (en) * 2019-06-25 2019-08-23 山西诚达筑鑫科技有限公司 Prefabricated panel and preparation method thereof
CN111517741A (en) * 2020-05-22 2020-08-11 上海利物盛纳米科技有限公司 Lightweight reinforced gypsum board and preparation method and application thereof
CN111559898A (en) * 2020-05-22 2020-08-21 贵州开磷磷石膏综合利用有限公司 High-strength light gypsum keel and application thereof

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CN107140926A (en) * 2017-04-28 2017-09-08 杭萧钢构股份有限公司 A kind of gypsum base steel structure fireproof protection material
CN107176815A (en) * 2017-04-28 2017-09-19 杭萧钢构股份有限公司 A kind of gypsum base steel structure fireproof protection material containing reinforcing fiber
CN107140926B (en) * 2017-04-28 2020-04-21 杭萧钢构股份有限公司 Gypsum-based steel structure fireproof protection material
CN106958308A (en) * 2017-05-09 2017-07-18 沈阳建筑大学 A kind of light steel foam concrete assembled wall of assembled and its application method
CN107098667A (en) * 2017-06-28 2017-08-29 武汉菡美洛建筑材料有限公司 Gypsum base light energy conservation plate and preparation method thereof
CN107216108A (en) * 2017-06-28 2017-09-29 武汉菡美洛建筑材料有限公司 High performance plaster-based board adhesive mortar and preparation method thereof
CN107098667B (en) * 2017-06-28 2019-08-02 武汉菡美洛建筑材料有限公司 Gypsum base light energy conservation plate and preparation method thereof
CN107216108B (en) * 2017-06-28 2019-10-18 武汉菡美洛建筑材料有限公司 High performance plaster-based board adhesive mortar and preparation method thereof
CN109339242A (en) * 2018-11-12 2019-02-15 石家庄铁道大学 Assembled light gauge cold-formed steel shape assembled house structural system and construction method
CN110156491A (en) * 2019-06-25 2019-08-23 山西诚达筑鑫科技有限公司 Prefabricated panel and preparation method thereof
CN111517741A (en) * 2020-05-22 2020-08-11 上海利物盛纳米科技有限公司 Lightweight reinforced gypsum board and preparation method and application thereof
CN111559898A (en) * 2020-05-22 2020-08-21 贵州开磷磷石膏综合利用有限公司 High-strength light gypsum keel and application thereof

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