CN109944382A - A kind of self-heat conserving TRC combined wall and preparation method thereof - Google Patents
A kind of self-heat conserving TRC combined wall and preparation method thereof Download PDFInfo
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- CN109944382A CN109944382A CN201910257344.3A CN201910257344A CN109944382A CN 109944382 A CN109944382 A CN 109944382A CN 201910257344 A CN201910257344 A CN 201910257344A CN 109944382 A CN109944382 A CN 109944382A
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Abstract
The invention discloses a kind of self-heat conserving TRC combined walls and preparation method thereof, are related to building material technical field.Self-heat conserving TRC combined wall, including insulating layer, the two sides of the insulating layer are provided with structure sheaf, and the surface of the structure sheaf is provided with TRC thin plate made by fiber knitted net enhancing concrete.Self-heat conserving TRC combined wall and preparation method thereof, the composite wall body structure is light-weight, intensity is high, durability is good, thermal insulation property is superior, the energy-saving effect of Outer Protective Structure of Dwelling House can be effectively improved, guarantee thickness and weight that wall is reduced under the premise of wall panel intensity, improve combined wall overall stiffness, combined wall core material regenerates light aggregate concrete, reduce wall heating conduction, greatly improve the heat-insulated efficiency of wall thermal insulating, the precast concrete external wall panel prepared compared to traditional ordinary cement, with lightweight, it is high-strength, fire prevention, self-heat conserving, decoration, waterproof and the performances such as environmentally protective.
Description
Technical field
The present invention relates to building material technical field, specially a kind of self-heat conserving TRC combined wall and preparation method thereof.
Background technique
It is a kind of novel height that fiber knitted net, which enhances concrete (Textile Reinforced Concrete, abbreviation TRC),
Performance cement-base composite material, has obtained increasingly extensive concern in recent years, TRC have corrosion-resistant, light-weight, bearing capacity is high,
The advantages that good toughness, component protective layer thickness need to only meet the anchoring requirement of fiber knitted net, be particularly suitable for thin-walled is made light
The panel member of matter has broad application prospects in architectural exterior-protecting construction field.
Important component of the building enclosure (such as exterior wall, roofing, door and window, basement) as building structure, wherein wall
Body accounts for the 70% of building enclosure, and the height of the thermal and insulating performance of the superiority and inferiority and building enclosure of building thermal environments is closely related, hair
Exhibition high quality exterior wall composite thermal insulation wall is the important shortcut realized housing industrialization and promote energy saving building.
Normal concrete is generallyd use in existing combined wall as structure sheaf, central filler heat preserving and insulating material, as a result
Cause wall weight big, the deficiencies of surface is easy crack, poor durability, thermal insulation material thermal coefficient is relatively high, influences energy conservation
The reasons such as effect restrict the development of energy-saving wall.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of self-heat conserving TRC combined walls and preparation method thereof, solve
Normal concrete is generallyd use as structure sheaf in existing combined wall, as a result central filler heat preserving and insulating material leads to wall
The deficiencies of body weight is big, and surface is easy crack, poor durability, thermal insulation material thermal coefficient is relatively high, influences energy-saving effect etc.
Reason restricts the problem of energy-saving wall development.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of self-heat conserving TRC combined wall,
Including insulating layer, the two sides of the insulating layer are provided with structure sheaf, and the surface of the structure sheaf is provided with fiber knitted net increasing
TRC thin plate made by reinforced concrete.
Preferably, the structure sheaf inner surface reserves groove, and groove is coated with magnesium phosphate water at zigzag, and in groove
Mud.
Preferably, the insulating layer is made of regeneration light aggregate concrete, and regeneration light aggregate concrete is by regenerating light collection
Material, glass bead, haydite etc. are made, and coagulation compression strength is greater than 14MPa, and dry density is less than 1000kg/m3, and thermal coefficient is small
In 0.05w/ (m.k), water absorption rate 7-10%, coefficient of softing is greater than 0.83, and the insulation layer thickness is 50-100mm.
Preferably, the TRC thin plate is by basalt fibre net, sand, portland cement, the powder that partial size is 0.6mm-1.2mm
Coal ash water-reducing agent and water are formulated for primary raw material, and the TRC lamella thickness is 15-50mm.
A kind of preparation method of self-heat conserving TRC combined wall, method includes the following steps:
S1, preparation TRC thin plate: fiber knitted net enhancing concrete is placed in corresponding mould, conserves 7 at room temperature
Demoulding obtains TRC thin plate after it, and TRC thin plate preparation process is as follows:
1,480:260:1200~1400:3.0 in mass ratio~4.0:150~170 weigh respectively cement, water, fine aggregate,
Water-reducing agent and flyash, 30~60s of uniform stirring, after fiber knitted net enhancing concrete needed for original concrete；
2, basalt fibre mesh grid is handled: basalt fibre net is carried out using epoxy resin to soak stagnant processing, will be located
The fiber knitted net managed solidifies for 24 hours in the environment of being placed on well-ventilated；
3, gained original concrete points 3 layers are poured and in element mold, has often been poured institute after the original concrete of upper layer
Basalt fibre mesh grid is layed in its surface and pours underlying substrate concrete again, become TRC thin plate after maintenance molding；
It is S2, two pieces of TRC thin plates are relatively fixed, three of them side is sealed using aluminum alloy mould plate, and in structure sheaf
After magnesium phosphate cement is smeared on surface, regeneration light aggregate concrete is poured from unencapsulated side, regenerates light-weight aggregate coagulation
Native preparation process is as follows:
1,300:(150~180 in mass ratio): (60~70): (200~300): (100~180): (0.1~0.2) point
Also known as take cement, water, slag, haydite, glass bead and coagulant；
2,60~90s of stirring is mixed in cement, water, slag, haydite, glass bead and coagulant can be obtained foam
Concrete；
S3, dismounting aluminum alloy mould plate obtain self-heat conserving TRC combined wall after conserving 28 days in standard curing room.
Preferably, in step sl, silicic acid salt slurry of the strength of cement marked as 52.5, fine aggregate are that partial size is less than 1.2mm
Quartz sand, water-reducing agent is the polycarboxylate water-reducer that water-reducing rate is 40%~50%, and flyash is second-level ash.
Preferably, in step sl, basalt fibre mesh grid is having a size of for 10mm × 10mm
Preferably, in step s 2, it is 42.5 ordinary portland cements that cement, which is strength grade, and water-reducing agent subtracts for polycarboxylic acids
Aqua, hydrogen peroxide content are 30wt%~50wt%, and coagulant is commercially pure Li2CO3。
(3) beneficial effect
The present invention provides a kind of self-heat conserving TRC combined walls and preparation method thereof.Have following the utility model has the advantages that the self-insurance
Warm TRC combined wall and preparation method thereof, the composite wall body structure is light-weight, intensity is high, durability is good, and thermal insulation property is superior,
The energy-saving effect of Outer Protective Structure of Dwelling House can be effectively improved, guarantees the thickness for reducing wall under the premise of wall panel intensity
And weight, combined wall overall stiffness is improved, combined wall core material regenerates light aggregate concrete, reduces wall thermal conductivity
Can, the heat-insulated efficiency of wall thermal insulating is greatly improved, compared to precast concrete external wall panel prepared by traditional ordinary cement, is had light
Matter, high-strength, fire prevention, self-heat conserving, decoration, waterproof and the performances such as environmentally protective.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of self-heat conserving TRC combined wall of the present invention.
In figure: 1, structure sheaf；2, insulating layer；3, TRC thin plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of self-heat conserving TRC combined wall, including insulating layer 2 are protected
Warm layer 2 is made of regeneration light aggregate concrete, and regeneration light aggregate concrete is made by regeneration light-weight aggregate, glass bead, haydite etc.
At coagulation compression strength is greater than 14MPa, and dry density is less than 1000kg/m3, and thermal coefficient is less than 0.05w/ (m.k), water absorption rate
For 7-10%, coefficient of softing is greater than 0.83, and insulation layer thickness 50-100mm, the two sides of insulating layer 2 are provided with structure sheaf 1,
1 inner surface of structure sheaf reserves groove, and groove is coated with magnesium phosphate cement at zigzag in groove, the surface setting of structure sheaf 1
There is TRC thin plate 3 made by fiber knitted net enhancing concrete, TRC thin plate 3 is by basalt fibre net, partial size 0.6mm-
Sand, portland cement, flyash water-reducing agent and the water of 1.2mm is formulated for primary raw material, and TRC thin plate 3 is with a thickness of 15-
50mm。
A kind of preparation method of self-heat conserving TRC combined wall, method includes the following steps:
S1, preparation TRC thin plate 3: fiber knitted net enhancing concrete is placed in corresponding mould, is conserved at room temperature
Demoulding obtains TRC thin plate 3 after 7 days, and 3 preparation process of TRC thin plate is as follows:
1,480:260:1200~1400:3.0 in mass ratio~4.0:150~170 weigh respectively cement, water, fine aggregate,
Water-reducing agent and flyash, 30~60s of uniform stirring, after fiber knitted net enhancing concrete needed for original concrete (cement is strong
Spend silicic acid salt slurry marked as 52.5, fine aggregate is the quartz sand that partial size is less than 1.2mm, water-reducing agent be water-reducing rate be 40%~
50% polycarboxylate water-reducer, flyash are second-level ash)；
2, basalt fibre mesh grid is handled: basalt fibre net is carried out using epoxy resin to soak stagnant processing, will be located
The fiber knitted net managed solidified within 24 hours in the environment of being placed on well-ventilated (basalt fibre mesh grid having a size of for
10mm×10mm)；
3, gained original concrete points 3 layers are poured and in element mold, has often been poured institute after the original concrete of upper layer
Basalt fibre mesh grid is layed in its surface and pours underlying substrate concrete again, become TRC thin plate 3 after maintenance molding；
It is S2, two pieces of TRC thin plates 3 are relatively fixed, three of them side is sealed using aluminum alloy mould plate, and in structure sheaf
After magnesium phosphate cement is smeared on surface, regeneration light aggregate concrete is poured from unencapsulated side, regenerates light-weight aggregate coagulation
Native preparation process is as follows:
1,300:(150~180 in mass ratio): (60~70): (200~300): (100~180): (0.1~0.2) point
Also known as take cement, water, slag, haydite, glass bead and coagulant；
2,60~90s of stirring is mixed in cement, water, slag, haydite, glass bead and coagulant can be obtained foam
(cement is that strength grade is 42.5 ordinary portland cements to concrete, and water-reducing agent is polycarboxylate water-reducer, and hydrogen peroxide content is
30wt%~50wt%, coagulant are commercially pure Li2CO3)；
S3, dismounting aluminum alloy mould plate obtain self-heat conserving TRC combined wall after conserving 28 days in standard curing room.
In conclusion self-heat conserving TRC combined wall and preparation method thereof, the composite wall body structure is light-weight, intensity is high,
Durability is good, and thermal insulation property is superior, can effectively improve the energy-saving effect of Outer Protective Structure of Dwelling House, guarantees wall panel intensity
Under the premise of reduce the thickness and weight of wall, improve combined wall overall stiffness, combined wall core material regenerates light-weight aggregate
Concrete reduces wall heating conduction, greatly improves the heat-insulated efficiency of wall thermal insulating, pre- compared to prepared by traditional ordinary cement
Concrete external wall panel processed has lightweight, high-strength, fire prevention, self-heat conserving, decoration, waterproof and the performances such as environmentally protective.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of self-heat conserving TRC combined wall, it is characterised in that: including insulating layer (2), the two sides of the insulating layer (2) are all provided with
It is equipped with structure sheaf (1), the surface of the structure sheaf (1) is provided with TRC thin plate made by fiber knitted net enhancing concrete
(3)。
2. a kind of self-heat conserving TRC combined wall according to claim 1, it is characterised in that: structure sheaf (1) inner surface
Reserved groove, groove are coated with magnesium phosphate cement at zigzag in groove.
3. a kind of self-heat conserving TRC combined wall according to claim 1, it is characterised in that: the insulating layer (2) is using again
Raw light aggregate concrete is made, and regeneration light aggregate concrete is made of regeneration light-weight aggregate, glass bead, haydite etc., and coagulation is anti-
Compressive Strength is greater than 14MPa, and dry density is less than 1000kg/m3, and thermal coefficient is less than 0.05w/ (m.k), and water absorption rate 7-10% is soft
Change coefficient and be greater than 0.83, the insulation layer thickness is 50-100mm.
4. a kind of self-heat conserving TRC combined wall according to claim 1, it is characterised in that: the TRC thin plate (3) is by profound
Sand, portland cement, flyash water-reducing agent and the water that military rock web, partial size are 0.6mm-1.2mm be primary raw material prepare and
At the TRC thin plate (3) is with a thickness of 15-50mm.
5. a kind of preparation method of self-heat conserving TRC combined wall, it is characterised in that: method includes the following steps:
S1, preparation TRC thin plate (3): fiber knitted net enhancing concrete is placed in corresponding mould, conserves 7 at room temperature
Demoulding obtains TRC thin plate (3) after it, and TRC thin plate (3) preparation process is as follows:
1,480:260:1200~1400:3.0 in mass ratio~4.0:150~170 weigh cement, water, fine aggregate, diminishing respectively
Agent and flyash, 30~60s of uniform stirring, after fiber knitted net enhancing concrete needed for original concrete；
2, basalt fibre mesh grid is handled: basalt fibre net is carried out using epoxy resin to soak stagnant processing, will be handled well
Fiber knitted net be placed on well-ventilated in the environment of solidify within 24 hours；
3, by gained original concrete points 3 layers pour in element mold, often poured it is gained is profound after the original concrete of upper layer
Military rock fiber knitted net is layed in its surface and pours underlying substrate concrete again, becomes TRC thin plate (3) after maintenance molding；
It is S2, two pieces of TRC thin plates (3) are relatively fixed, three of them side is sealed using aluminum alloy mould plate, and the table in structure sheaf
After magnesium phosphate cement is smeared in face, regeneration light aggregate concrete is poured from unencapsulated side, regenerates light aggregate concrete
Preparation process is as follows:
1,300:(150~180 in mass ratio): (60~70): (200~300): (100~180): (0.1~0.2) claims respectively
Take cement, water, slag, haydite, glass bead and coagulant；
2,60~90s of stirring is mixed in cement, water, slag, haydite, glass bead and coagulant can be obtained foam coagulation
Soil；
S3, dismounting aluminum alloy mould plate obtain self-heat conserving TRC combined wall after conserving 28 days in standard curing room.
6. a kind of preparation method of self-heat conserving TRC combined wall according to claim 5, it is characterised in that: in step S1
In, silicic acid salt slurry of the strength of cement marked as 52.5, fine aggregate is the quartz sand that partial size is less than 1.2mm, and water-reducing agent is water-reducing rate
For 40%~50% polycarboxylate water-reducer, flyash is second-level ash.
7. a kind of preparation method of self-heat conserving TRC combined wall according to claim 5, it is characterised in that: in step S1
In, basalt fibre mesh grid is having a size of for 10mm × 10mm.
8. a kind of preparation method of self-heat conserving TRC combined wall according to claim 5, it is characterised in that: in step S2
In, cement is that strength grade is 42.5 ordinary portland cements, and water-reducing agent is polycarboxylate water-reducer, hydrogen peroxide content 30wt%
~50wt%, coagulant are commercially pure Li2CO3。
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111606714A (en) * | 2020-06-03 | 2020-09-01 | 陈杰明 | Environment-friendly anticorrosive building ceramic material and preparation method thereof |
| CN111809790A (en) * | 2020-06-19 | 2020-10-23 | 滁州职业技术学院 | TRC recycled aggregate concrete block and processing method thereof |
| CN111844362A (en) * | 2020-06-23 | 2020-10-30 | 中建西部建设建材科学研究院有限公司 | Composite heat-insulating wallboard and preparation method thereof |
| CN112549672A (en) * | 2020-12-02 | 2021-03-26 | 湖南大学 | Protection and heat preservation integrated composite wallboard and manufacturing method thereof |
| CN114055597A (en) * | 2021-11-22 | 2022-02-18 | 中国矿业大学 | Fiber woven mesh reinforced ECC sandwich heat-insulation composite wallboard and manufacturing method thereof |
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