CN102807386A - Steel-wire-like fiber reinforced honeycomb cement self-heat-insulation filled wall and construction method thereof - Google Patents
Steel-wire-like fiber reinforced honeycomb cement self-heat-insulation filled wall and construction method thereof Download PDFInfo
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- CN102807386A CN102807386A CN2012102563685A CN201210256368A CN102807386A CN 102807386 A CN102807386 A CN 102807386A CN 2012102563685 A CN2012102563685 A CN 2012102563685A CN 201210256368 A CN201210256368 A CN 201210256368A CN 102807386 A CN102807386 A CN 102807386A
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Abstract
The invention discloses a steel-wire-like fiber reinforced honeycomb cement self-heat-insulation filled wall. The wall comprises a cement-based wall, wherein a layer of alkali-resistant grid cloth or galvanized steel wire net is arranged on each of the two sides of the cement-based wall; and the cement-based wall comprises the following components in part by mass: 55 to 85 parts of cement, 10 to 35 parts of fly ash, 1 to 4 parts of quicklime, 1 to 5 parts of steel-wire-like fiber, 2 to 5 parts of foaming agent, 0.5 to 1.5 parts of methyl silicate, 0.5 to 3 parts of foam stabilizer, 0.2 to 0.5 part of polypropylene fiber and 40 to 60 parts of water. The self-heat-insulation filled wall is constructed by a simple process; and a polymer material is added into a cement product by using the characteristics of high chemical reaction temperature and long duration of foam concrete, so that the quality of the foam concrete product is improved, and the wall is high in water resistance, stable in quality and is low in manufacturing cost.
Description
Technical field
The present invention relates to building field, especially a kind of imitative steel fiber strengthens honeycomb cement self-heat conserving filled wall and preparation and constructional method.
Background technology
Building energy conservation can significantly reduce energy consumption because of it, reduces environmental pollution and Greenhouse effect, has received the attention of a lot of countries.External Walls Heating Insulation is not owing to take advantage such as the interior space, and popular to people deeply, existing external heat insulating wall mainly contains wall thermal insulating ways such as pasting styrofoam, on-site casting polyphenyl plate, rock cotton board, hard polyurethane foam.The heat-insulating property of these bodies of wall, application property, security and stability are different, and the lagging material thermal conductivity that has is higher, is not suitable for the needs of the heat preservation energy-saving of severe cold area and higher energy-conservation requirement; Poor, the easy cold bridge that produces of the fire performance that has; The complicated quality control difficulty of the construction that has is big, and the surface layer cracking resistance problem that has is difficult to resolve determines, and adds that thermal insulation layer places the outside of building enclosure; To suffer rain, snow, strong wind unavoidably, freeze, melt, do, wet; The destruction of obnoxious flavour and ultraviolet ray etc. is recently also often seen the qualitative problems of construction such as unsticking hollowing, surface layer cracking of external thermal insulation, also has the part engineering that even more serious fire failure takes place.Along with the propelling in epoch, the development of technology is had higher requirement to building enclosure, to exterior-wall heat insulation proposed fire prevention, be incubated, be easy to construct, cheap requirement, satisfy demands of social development to seek a kind of Full Featured building enclosure.The honeycomb cement plate has light weight, good heat insulating, fire prevention and does not fire; With the advantage of buildings with the life-span; Intensity is lower, the shortcoming of poor ductility but the honeycomb cement plate exists, so the honeycomb cement plate can not sticking brick as thermal insulation layer, and many Highrise buildingss need the ceramic tile finishing.Therefore, the weakness that how to solve the honeycomb cement plate also is one of innovative point of the present invention.
Summary of the invention
The purpose of this invention is to provide a kind of imitative steel fiber and strengthen honeycomb cement self-heat conserving filled wall with excellent comprehensive performances such as fire-resistant, waterproof, insulation, construction are quick.
The imitative steel fiber that the present invention designed strengthens honeycomb cement self-heat conserving filled wall; Comprise the cement based body of wall; Respectively be provided with alkaline-resisting grid cloth of one deck or Galvanized Steel Wire Netting in the both sides of cement based body of wall, described its each component of cement based body of wall is formed as follows according to the mass fraction:
Cement 55-85 part; Flyash 10-35 part; Unslaked lime 1-4 part; Imitative steel fiber 1-5 part; Whipping agent 2-5 part; Methyl siliconic acid 0.5-1.5 part; Suds-stabilizing agent 0.5-3 part; Polypropylene fibre 0.2-0.5 part; Water 40-60 part.
As preferably:
Described said cement is aluminosulfate cement or silicate cement; Activity index>=85% of aluminium sesquioxide and silicon-dioxide total amount>=70% and described flyash in the said flyash, fineness 0.045mm, square hole sieve≤20%, tap density≤750kg/m
3The content of CaO and MgO is greater than 85% and MgO content≤5% in the said unslaked lime; The density of said imitative steel fiber is 0.91-0.98 gram/cm3, and nominal length is 30-50mm, equivalent diameter 0.8 ± 0.2mm, ultimate tension conservation rate>=98%, elongation at break>=15%; Said whipping agent is a concentration greater than 25% ydrogen peroxide 50; Said suds-stabilizing agent is industrial lightweight calcium stearate; Said methyl siliconic acid is appearance white or little yellow powder shape solid, solid content>=65%; The length of said polypropylene fibre is the 3-10 millimeter.
The imitative steel fiber that the present invention designed strengthens the preparation method of honeycomb cement self-heat conserving filled wall, comprises the steps:
(1), calculates and take by weighing cement, flyash, unslaked lime, imitative steel fiber, methyl siliconic acid, suds-stabilizing agent, polypropylene fibre weight, and stir by the unit weight requirement of building mould and cellular concrete product;
(2) take by weighing water in proportion, the temperature of water is at the 30-70 degree, and summer, winter was with the water of high water temperature with the water of low water temperature;
(3) take by weighing whipping agent in proportion; The consumption of whipping agent is the 2-6% of cement weight;
(4) according to the thickness of wallboard and alkaline-resisting grid cloth in the position of body of wall, be fixed to alkaline-resisting grid cloth or Galvanized Steel Wire Netting in the mould;
(5) pour the water that weighs up into stirrer, the mixture that stirs cement, flyash, unslaked lime, imitative steel fiber, methyl siliconic acid, suds-stabilizing agent, polypropylene fibre etc. adds in the stirrer, stirs 1-3 minute; Until stirring; Pour the whipping agent that takes by weighing in the stirrer into, stirred 0.5-2 minute, pour slurry in the mould into; Slurry is foaming under the effect of whipping agent, through form removal in 3 hours;
(6) cut into said imitative steel fiber to the foamed concrete piece of foaming and strengthen honeycomb cement self-heat conserving filled wall;
As preferably: described said cement is aluminosulfate cement or silicate cement; Activity index>=85% of aluminium sesquioxide and silicon-dioxide total amount>=70% and described flyash in the said flyash, fineness 0.045mm, square hole sieve≤20%, tap density≤750kg/m3; The content of CaO and MgO is greater than 85% and MgO content≤5% in the said unslaked lime; The density of said imitative steel fiber is 0.91-0.98 gram/cm3, and nominal length is 30-50mm, equivalent diameter 0.8 ± 0.2mm, ultimate tension conservation rate>=98%, elongation at break>=15%; Said whipping agent is a concentration greater than 25% ydrogen peroxide 50; Said suds-stabilizing agent is industrial lightweight calcium stearate; Said methyl siliconic acid is appearance white or little yellow powder shape solid, solid content>=65%; The length of said polypropylene fibre is the 3-10 millimeter.
The imitative steel fiber that the present invention designed strengthens the constructional method of honeycomb cement self-heat conserving filled wall, comprises the steps:
A, according to the position of self-heat conserving filled wall on Vierendeel girder, fix self-heat conserving filled wall and beam, post, concrete shear force wall with " L " font and/or " one " font web member;
B, at beam, post, shearing face of wall, paste the thermal insulation layer of composite foam cement plate, and plug-in woven wire and use bolt as these members.To be the self-heat conserving filled wall bear the architectural exterior-protecting construction of horizontal constructions load with the building cylinder to the advantage of this constructional method, and satisfy the requirement of building energy conservation, has excellent comprehensive performances such as fire-resistant, waterproof, insulation, construction be quick.
The imitative steel fiber that the present invention designed strengthens honeycomb cement self-heat conserving filled wall, and its density is: 280kg/m
3~ 600kg/m
3: thermal conductivity is: 0.075 ~ 0.14W/ (mK); And it does not need high-temperature steam curing; And it has good hydrophobic nature.Because of the thickness of construction wall at 120 ~ 240mm; So strengthening the thermal conductivity of honeycomb cement self-heat conserving filled wall, above-mentioned imitative steel fiber between 0.075 ~ 0.14W/ (mK), just satisfies energy-conservation 65% requirement; The ultimate compression strength of above-mentioned body of wall satisfies the masonry structure design requirements simultaneously, and tensile strength satisfies the requirement of wall face tiling.
The imitative steel fiber that the present invention designed strengthens honeycomb cement self-heat conserving filled wall, and technology is simple, utilizes the foamed concrete chemical reaction temperature high; The characteristics of longer duration are added macromolecular material in cement products, and with other substance reaction; Thereby improve the quality of foamed concrete concrete product, cellular concrete product intensity of the present invention obviously improves, and water resistance is good; Steady quality, cost is low.
Embodiment
Through embodiment the present invention is done further description below.
Embodiment 1:
The described imitative steel fiber of present embodiment strengthens honeycomb cement self-heat conserving filled wall; Comprise the cement based body of wall; Respectively be provided with alkaline-resisting grid cloth of one deck or Galvanized Steel Wire Netting in the both sides of cement based body of wall, described its each component of cement based body of wall is formed as follows according to the mass fraction:
Cement 55-85 part; Flyash 10-35 part; Unslaked lime 1-4 part; Imitative steel fiber 1-5 part; Whipping agent 2-5 part; Methyl siliconic acid 0.5-1.5 part; Suds-stabilizing agent 0.5-3 part; Polypropylene fibre 0.2-0.5 part; Water 40-60 part.
Wherein, described cement is aluminosulfate cement or silicate cement; Activity index>=85% of aluminium sesquioxide and silicon-dioxide total amount>=70% and described flyash in the said flyash, fineness 0.045mm, square hole sieve≤20%, tap density≤750kg/m
3The content of CaO and MgO is greater than 85% and MgO content≤5% in the said unslaked lime; The density of said imitative steel fiber is 0.91-0.98 gram/cm3, and nominal length is 30-50mm, equivalent diameter 0.8 ± 0.2mm, ultimate tension conservation rate>=98%, elongation at break>=15%; Said whipping agent is a concentration greater than 25% ydrogen peroxide 50; Said suds-stabilizing agent is industrial lightweight calcium stearate; Said methyl siliconic acid is appearance white or little yellow powder shape solid, solid content>=65%; The length of said polypropylene fibre is the 3-10 millimeter;
The described imitative steel fiber of present embodiment strengthens the preparation method of honeycomb cement self-heat conserving filled wall, comprises the steps:
(1), calculates and take by weighing cement, flyash, unslaked lime, imitative steel fiber, methyl siliconic acid, suds-stabilizing agent, polypropylene fibre weight, and stir by the unit weight requirement of building mould and cellular concrete product;
(2) take by weighing water in proportion, the temperature of water is at the 30-70 degree, and summer, winter was with the water of high water temperature with the water of low water temperature;
(3) take by weighing whipping agent in proportion; The consumption of whipping agent is the 2-6% of cement weight; Whipping agent (here for ydrogen peroxide 50) can produce oxygen after meeting cement, thereby grout volume is expanded, and ydrogen peroxide 50 quickens reacting of methyl siliconic acid and cement-hydrate, flyash, unslaked lime simultaneously;
(4) according to the thickness of wallboard and alkaline-resisting grid cloth in the position of body of wall, be fixed to alkaline-resisting grid cloth or Galvanized Steel Wire Netting in the mould;
(5) pour the water that weighs up into stirrer, the mixture that stirs cement, flyash, unslaked lime, imitative steel fiber, methyl siliconic acid, suds-stabilizing agent, polypropylene fibre etc. adds in the stirrer, stirs 1-3 minute; Until stirring; Pour the whipping agent that takes by weighing in the stirrer into, stirred 0.5-2 minute, pour slurry in the mould into; Slurry is foaming under the effect of whipping agent, through form removal in 3 hours;
(6) cut into said imitative steel fiber to the foamed concrete piece of foaming and strengthen honeycomb cement self-heat conserving filled wall.
The described imitative steel fiber of present embodiment strengthens the constructional method of honeycomb cement self-heat conserving filled wall, comprises the steps:
A, according to the position of self-heat conserving filled wall on Vierendeel girder, fix self-heat conserving filled wall and beam, post, concrete shear force wall with " L " font and/or " one " font web member;
B, at beam, post, shearing face of wall, paste the thermal insulation layer of composite foam cement plate, and plug-in woven wire and use bolt as these members.
The imitative steel fiber that present embodiment designed strengthens honeycomb cement self-heat conserving filled wall, and its density is: 280kg/m
3~ 600kg/m
3: thermal conductivity is: 0.075 ~ 0.14W/ (mK); And it does not need high-temperature steam curing; And it has good hydrophobic nature.Because of the thickness of construction wall at 120 ~ 240mm; So strengthening the thermal conductivity of honeycomb cement self-heat conserving filled wall, above-mentioned imitative steel fiber between 0.075 ~ 0.14W/ (mK), just satisfies energy-conservation 65% requirement; The ultimate compression strength of above-mentioned body of wall satisfies the masonry structure design requirements simultaneously, and tensile strength satisfies the requirement of wall face tiling.
The imitative steel fiber that present embodiment designed strengthens honeycomb cement self-heat conserving filled wall, and technology is simple, utilizes the foamed concrete chemical reaction temperature high; The characteristics of longer duration are added macromolecular material in cement products, and with other substance reaction; Thereby improve the quality of foamed concrete concrete product, cellular concrete product intensity of the present invention obviously improves, and water resistance is good; Steady quality, cost is low.
Specific embodiment described herein only is that design of the present invention is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or additional to described specific embodiment, can not depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (5)
1. an imitative steel fiber strengthens honeycomb cement self-heat conserving filled wall; Comprise the cement based body of wall; It is characterized in that respectively being provided with alkaline-resisting grid cloth of one deck or Galvanized Steel Wire Netting in the both sides of cement based body of wall, described its each component of cement based body of wall is formed as follows according to the mass fraction:
Cement 55-85 part; Flyash 10-35 part; Unslaked lime 1-4 part; Imitative steel fiber 1-5 part; Whipping agent 2-5 part; Methyl siliconic acid 0.5-1.5 part; Suds-stabilizing agent 0.5-3 part; Polypropylene fibre 0.2-0.5 part; Water 40-60 part.
2. imitative steel fiber according to claim 1 strengthens honeycomb cement self-heat conserving filled wall, it is characterized in that described said cement is aluminosulfate cement or silicate cement; Activity index>=85% of aluminium sesquioxide and silicon-dioxide total amount>=70% and described flyash in the said flyash, fineness 0.045mm, square hole sieve≤20%, tap density≤750kg/m
3The content of CaO and MgO is greater than 85% and MgO content≤5% in the said unslaked lime; The density of said imitative steel fiber is 0.91-0.98 gram/cm3, and nominal length is 30-50mm, equivalent diameter 0.8 ± 0.2mm, ultimate tension conservation rate>=98%, elongation at break>=15%; Said whipping agent is a concentration greater than 25% ydrogen peroxide 50; Said suds-stabilizing agent is industrial lightweight calcium stearate; Said methyl siliconic acid is appearance white or little yellow powder shape solid, solid content>=65%; The length of said polypropylene fibre is the 3-10 millimeter.
3. the preparation method of an imitative steel fiber enhancing honeycomb cement self-heat conserving filled wall as claimed in claim 1 is characterized in that comprising the steps:
(1), calculates and take by weighing cement, flyash, unslaked lime, imitative steel fiber, methyl siliconic acid, suds-stabilizing agent, polypropylene fibre weight, and stir by the unit weight requirement of building mould and cellular concrete product;
(2) take by weighing water in proportion, the temperature of water is at the 30-70 degree, and summer, winter was with the water of high water temperature with the water of low water temperature;
(3) take by weighing whipping agent in proportion; The consumption of whipping agent is the 2-6% of cement weight;
(4) according to the thickness of wallboard and alkaline-resisting grid cloth in the position of body of wall, be fixed to alkaline-resisting grid cloth or Galvanized Steel Wire Netting in the mould;
(5) pour the water that weighs up into stirrer, the mixture that stirs cement, flyash, unslaked lime, imitative steel fiber, methyl siliconic acid, suds-stabilizing agent, polypropylene fibre etc. adds in the stirrer, stirs 1-3 minute; Until stirring; Pour the whipping agent that takes by weighing in the stirrer into, stirred 0.5-2 minute, pour slurry in the mould into; Slurry is foaming under the effect of whipping agent, through form removal in 3 hours;
(6) cut into said imitative steel fiber to the foamed concrete piece of foaming and strengthen honeycomb cement self-heat conserving filled wall.
4. imitative steel fiber according to claim 3 strengthens the preparation method of honeycomb cement self-heat conserving filled wall, it is characterized in that described said cement is aluminosulfate cement or silicate cement; Activity index>=85% of aluminium sesquioxide and silicon-dioxide total amount>=70% and described flyash in the said flyash, fineness 0.045mm, square hole sieve≤20%, tap density≤750kg/m
3The content of CaO and MgO is greater than 85% and MgO content≤5% in the said unslaked lime; The density of said imitative steel fiber is 0.91-0.98 gram/cm3, and nominal length is 30-50mm, equivalent diameter 0.8 ± 0.2mm, ultimate tension conservation rate>=98%, elongation at break>=15%; Said whipping agent is a concentration greater than 25% ydrogen peroxide 50; Said suds-stabilizing agent is industrial lightweight calcium stearate; Said methyl siliconic acid is appearance white or little yellow powder shape solid, solid content>=65%; The length of said polypropylene fibre is the 3-10 millimeter.
5. the constructional method of an imitative steel fiber enhancing honeycomb cement self-heat conserving filled wall as claimed in claim 1 is characterized in that comprising the steps:
A, according to the position of self-heat conserving filled wall on Vierendeel girder, fix self-heat conserving filled wall and beam, post, concrete shear force wall with " L " font and/or " one " font web member;
B, at beam, post, shearing face of wall, paste the thermal insulation layer of composite foam cement plate, and plug-in woven wire and use bolt as these members.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615141A (en) * | 2013-12-01 | 2014-03-05 | 国网河南省电力公司安阳供电公司 | Reinforced steel pipe foam concrete electric power tower |
| CN103628731A (en) * | 2013-12-02 | 2014-03-12 | 国网河南省电力公司安阳供电公司 | Multilayer hollow sandwich steel tube and foam concrete electric tower |
| CN103741909A (en) * | 2013-12-30 | 2014-04-23 | 王东彬 | Imitation stone wallboard coated with ultraviolet resistant coating and preparation method of imitation stone wallboard |
| CN109206082A (en) * | 2018-09-30 | 2019-01-15 | 安徽远山电力工程有限公司 | A kind of high-strength composite fiber reinforcement honeycomb cement self-heat conserving filled wall |
| CN113103421A (en) * | 2021-03-24 | 2021-07-13 | 江西雄宇（集团）有限公司 | Manufacturing method of self-heat-preservation non-bearing wallboard |
| CN113816692A (en) * | 2021-10-20 | 2021-12-21 | 广州中创建筑科技有限公司 | Concrete composition containing steel fibers |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101818504A (en) * | 2009-11-06 | 2010-09-01 | 长江大学 | The manufacture method of a kind of manhole cover or water drain grid cover |
| CN102491691A (en) * | 2011-12-09 | 2012-06-13 | 王军 | Foam ceramsite concrete |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615141A (en) * | 2013-12-01 | 2014-03-05 | 国网河南省电力公司安阳供电公司 | Reinforced steel pipe foam concrete electric power tower |
| CN103615141B (en) * | 2013-12-01 | 2018-10-09 | 国网河南省电力公司安阳供电公司 | Enhanced steel tube foam concrete electric tower |
| CN103628731A (en) * | 2013-12-02 | 2014-03-12 | 国网河南省电力公司安阳供电公司 | Multilayer hollow sandwich steel tube and foam concrete electric tower |
| CN103741909A (en) * | 2013-12-30 | 2014-04-23 | 王东彬 | Imitation stone wallboard coated with ultraviolet resistant coating and preparation method of imitation stone wallboard |
| CN109206082A (en) * | 2018-09-30 | 2019-01-15 | 安徽远山电力工程有限公司 | A kind of high-strength composite fiber reinforcement honeycomb cement self-heat conserving filled wall |
| CN113103421A (en) * | 2021-03-24 | 2021-07-13 | 江西雄宇（集团）有限公司 | Manufacturing method of self-heat-preservation non-bearing wallboard |
| CN113816692A (en) * | 2021-10-20 | 2021-12-21 | 广州中创建筑科技有限公司 | Concrete composition containing steel fibers |
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Application publication date: 20121205 |