CN111005473A - Green wall based on hollow straw raw soil is mixed - Google Patents
Green wall based on hollow straw raw soil is mixed Download PDFInfo
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- CN111005473A CN111005473A CN201911379133.3A CN201911379133A CN111005473A CN 111005473 A CN111005473 A CN 111005473A CN 201911379133 A CN201911379133 A CN 201911379133A CN 111005473 A CN111005473 A CN 111005473A
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- 239000010902 straw Substances 0.000 title claims abstract description 47
- 239000002689 soil Substances 0.000 title claims abstract description 31
- 239000011449 brick Substances 0.000 claims abstract description 106
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 238000005336 cracking Methods 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000004321 preservation Methods 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 25
- 239000000843 powder Substances 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 15
- 229920003023 plastic Polymers 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000004642 Polyimide Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229920001721 polyimide Polymers 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 239000011398 Portland cement Substances 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000002585 base Substances 0.000 description 28
- 238000009413 insulation Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 20
- 238000010276 construction Methods 0.000 description 13
- 239000004570 mortar (masonry) Substances 0.000 description 10
- 239000003513 alkali Substances 0.000 description 5
- 238000005034 decoration Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000009417 prefabrication Methods 0.000 description 5
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- 238000011049 filling Methods 0.000 description 4
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- 235000021307 Triticum Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses a green wall based on hollow straw raw soil mixing, which comprises a base wall, an interface layer, a bonding layer, an anti-cracking layer, a first heat-insulating layer, a second heat-insulating layer and a decorative layer which are sequentially arranged from outside to inside; the second heat-insulating layer comprises a supporting component and mixed ecological bricks; the supporting component comprises a wall beam and a light steel keel; the mixed ecological brick is of a cuboid structure, and the upper end and the lower end of the inner side surface of the mixed ecological brick are provided with clamping grooves; the mixed ecological brick can be arranged between two adjacent light steel keels through the clamping grooves; the mixed ecological brick adopted by the invention has the characteristic of light weight, and the toughness in the brick body can be effectively improved and the strength of the brick body can be improved by adding the hollow straws, so that the integral strength and stability can be effectively improved.
Description
Technical Field
The invention relates to the technical field of building walls, in particular to a green wall based on hollow straw and raw soil mixing.
Background
The rural heat preservation performance in winter is poor, and the travelling comfort is poor, in order to ensure the warmth retention property in the building in winter, reduce the energy consumption of heating equipment such as air conditioner, heating installation, etc., it is very necessary to strengthen heat preservation and heat insulation for the external protection of the building.
The heat preservation and insulation of the outer wall body are important measures for improving the energy saving of the building, the building energy saving standard is implemented from the eighty years of the last century in China, and the wall body heat preservation technology is popularized. Compared with the mode of external wall external insulation, the external wall sandwich insulation is that the insulation material is arranged between the inner wall sheet and the outer wall sheet of the external wall, so that the defect problems of external insulation such as fire risk, cracking water seepage and falling off are effectively avoided.
However, the external wall sandwich heat insulation is limited by the distinction of heat insulation materials, so that the heat insulation performance of the external wall sandwich heat insulation has larger difference; and, because the influence of inside and outside wall body self gravity, inside and outside two leaf wall bodies and the connecting piece that sets up between them, it has the connection construction degree of difficulty big, connects and does not take solid scheduling problem.
The mixed ecological brick prepared by using the straws has the characteristics of light weight and environmental protection, and can effectively improve the heat insulation performance when being applied to the heat insulation of a wall body.
Disclosure of Invention
Aiming at the problems, the invention provides a light green wall body based on hollow straw raw soil mixing, which has good heat insulation performance.
The technical scheme of the invention is as follows: a green wall based on hollow straw and raw soil mixing comprises a base wall, an interface layer, a bonding layer, an anti-cracking layer, a first heat-insulating layer, a second heat-insulating layer and a decorative layer;
the base layer wall, the interface layer, the bonding layer, the anti-cracking layer, the first heat insulation layer, the second heat insulation layer and the decorative layer are sequentially arranged from outside to inside;
the second heat-insulating layer comprises a supporting component and mixed ecological bricks; the supporting assembly comprises a wall beam and a light steel keel; the mixed ecological brick is of a cuboid structure, and the upper end and the lower end of the inner side surface of the mixed ecological brick are provided with clamping grooves;
the light steel keels are vertically welded on the front end face and the rear end face of the wall beam at intervals, and gaps among the light steel keels are as high as the mixed ecological bricks; the mixed ecological brick can be arranged between two adjacent light steel keels through the clamping grooves; and the light steel keel adopts 1.2-1.5 m multiplied by 1.2-1.5 m as a basic equipment matching unit, and the basic equipment matching unit can realize factory assembly type prefabrication.
Further, the mixed ecological brick is a straw brick, and the straw brick comprises the following components in parts by weight: 15-45 parts of hollow straw, 55-65 parts of raw soil powder, 5-7 parts of a water-retaining agent and 35-55 parts of water; both the hollow straw and the raw soil powder are original ecological materials, so that building garbage does not exist, the hollow straw and the raw soil powder can be degraded on site, and the environment is protected.
Further, the mixed ecological brick comprises the following components in parts by weight: 15-45 parts of hollow straw, 55-65 parts of raw soil powder, 5-8 parts of coarse sand, 7-10 parts of white portland cement, 10-12 parts of flame-retardant polyphenyl particles, 8-10 parts of polyimide, 5-8 parts of far infrared heating and heat-insulating fibers, 3-5 parts of ceramic micro powder, 8-10 parts of an adhesive, 5-7 parts of a water-retaining agent and 35-55 parts of water; the hollow straws and the raw soil powder adopted by the mixed ecological brick are mixed, and the coarse sand and the cement are combined, so that the bonding performance among the components can be effectively improved; the hollow straw effectively improves the toughness of the mixed ecological brick, and can effectively improve the overall strength and stability due to the characteristic of light weight; the polyimide is used as an aerospace-grade thermal fiber, the thermal conductivity is 0.024, and the polyimide can be used as a thermal layer to prevent the polyimide from being affected by environmental overheating and supercooling and effectively prevent heat loss; the far infrared heating and warm keeping fiber can reflect heat radiation waves by combining with the ceramic micro powder, and has the functions of heat storage and heat preservation.
Further, the preparation method of the mixed ecological brick comprises the following steps: mixing hollow straws, raw soil powder, coarse sand, white portland cement, flame-retardant polyphenyl particles, polyimide, far infrared heating and heat-insulating fibers, ceramic micro powder, an adhesive and a water-retaining agent in a stirring device according to the weight parts, uniformly stirring, adding water according to the weight parts, continuously stirring for 30-45 min to obtain a viscous mixture, injecting the viscous mixture into a mold for molding, solidifying at room temperature for 6-8 h, demolding to obtain a wet green brick, and naturally air-drying for 5-7 d to obtain the mixed ecological brick; the mixed ecological brick is prepared by a baking-free process, so that the mixed ecological brick is more environment-friendly; and the method has the characteristics of short process flow, simple preparation process and low cost.
Further, mounting holes are formed in the outer side face of the mixed ecological brick; the first heat-preservation layer is made of a hard foam plastic plate and is arranged on the mounting hole through a plastic rubber plug; the rigid foam plastic plate has better moisture-proof and waterproof properties; it runs through the plastics plug and installs on the mounting hole, can strengthen the stability of structure effectively.
As one option, a first waterproof layer is adhered to the inner side of the mixed ecological brick through high-strength epoxy ab glue, and the first waterproof layer is made of polyethylene waterproof coiled materials; the preparation method is convenient and safe to operate and high in construction efficiency; and the polyethylene waterproof coiled material can be directly adhered to the mixed ecological brick when the mixed ecological brick is prepared.
As another option, a second waterproof layer is coated on the inner side of the mixed ecological brick, and the second waterproof layer is made of JS waterproof paint; the JS waterproof latex is a green environment-friendly material, which does not pollute the environment, has stable performance, excellent aging resistance and long waterproof life; the method is safe to use, convenient to construct and simple to operate, and can be directly constructed on a damp base surface without open water.
Further, joint filling is carried out between the mixed ecological bricks through a resin-based joint mixture; the joint mixture can perfectly repair the gaps among the mixed ecological bricks, has better waterproofness, and the resin-based joint mixture has the characteristics of good decorative texture, pressure resistance, wear resistance and mildew resistance.
The construction process of the heat-preservation and heat-insulation green wall body specifically comprises the following steps:
the method comprises the following steps: component of support assembly
Preparing a support component according to the actual length and height of the wall body; the method specifically comprises the following steps: the wall beams are arranged at intervals of 1m, 15cm welding flux light steel keels are arranged on the front end face and the rear end face of each wall beam at intervals, and the wall beams are perpendicular to the light steel keels;
step two: preparation of mixed ecological brick
Preparing the mixed ecological brick according to the component proportion;
step three: construction of heat-insulating green wall
Welding a buried steel structure base at the bottom of the supporting assembly, and welding two ends of the steel structure base with reserved steel bars of a building column structure; then constructing a second heat-insulating layer, and after the second heat-insulating layer is prepared, mounting the first heat-insulating layer on a mounting hole of the mixed ecological brick at the outer end of the second heat-insulating layer through a plastic rubber plug; then, constructing the anti-cracking layer, the bonding layer, the interface layer and the base wall in sequence, and finally constructing the decorative layer; wherein, the anti-cracking layer adopts alkali-resistant mesh cloth, the bonding layer adopts rendering coat mortar, the interface layer adopts interface mortar, and the base layer wall adopts a conventional brick wall.
Compared with the prior art, the invention has the beneficial effects that: the mixed ecological brick adopted by the invention has the characteristic of light weight, and the toughness in the brick body can be effectively improved and the strength of the brick body can be improved by adding the hollow straws, so that the integral strength and stability can be effectively improved; the hollow straw thin-wall cavity has toughness and air insulation effect, so that air insulation in the cavity of the wall body can be increased; the heat preservation performance of the mixed ecological brick can be effectively improved by utilizing the caking property and the heat preservation and insulation performance of the raw soil; in addition, the mixed ecological brick is prepared by a baking-free process, so that the mixed ecological brick is more environment-friendly; the adopted supporting assembly enables the inner wall body and the outer wall body to be independently loaded, and can effectively solve the problems that the connection construction difficulty between the inner wall body and the outer wall body is high, and the connection is not firm.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial exploded view of the second layer of insulation of the present invention;
fig. 3 is a sectional view of a hybrid ecological brick of example 2 of the present invention;
fig. 4 is a sectional view of a hybrid ecological brick of example 3 of the present invention;
the composite material comprises a base layer wall body 1, an interface layer 2, a bonding layer 3, an anti-cracking layer 4, a first heat preservation layer 5, a second heat preservation layer 6, a support component 61, a wall beam 611, a light steel keel 612, a mixed ecological brick 62, a clamping groove 620, a first waterproof layer 621, a second waterproof layer 622 and a decorative layer 7.
Detailed Description
Example 1: the green wall based on the hollow straw and raw soil mixing shown in the figure 1 comprises a base wall 1, an interface layer 2, a bonding layer 3, an anti-cracking layer 4, a first heat preservation layer 5, a second heat preservation layer 6 and a decoration layer 7;
the base layer wall body 1, the interface layer 2, the bonding layer 3, the anti-cracking layer 4, the first heat preservation layer 5, the second heat preservation layer 6 and the decoration layer 7 are sequentially arranged from outside to inside;
the second insulating layer 6 comprises a support component 61 and mixed ecological bricks 62; support assembly 61 includes wall beam 611 and light gauge steel 612; the mixed ecological brick 62 is of a cuboid structure, and the upper end and the lower end of the inner side surface of the mixed ecological brick 62 are provided with clamping grooves 620;
a plurality of light steel keels 612 are vertically welded on the front end surface and the rear end surface of the wall beam 611 at intervals, and the height of the gaps between the light steel keels 612 is the same as that of the mixed ecological brick 62; the hybrid ecological brick 62 can be installed between two adjacent light steel keels 612 through the clamping groove 620; and the light steel keel adopts 1.2m multiplied by 1.2m as a basic equipment matching unit, and the basic equipment matching unit can realize factory assembly type prefabrication.
Wherein, the outer side surface of the mixed ecological brick 62 is provided with a mounting hole; first heat preservation 5 adopts rigid foam plastic board, and first heat preservation 5 passes through the plastics plug and installs on the mounting hole.
The construction process of the heat-preservation and heat-insulation green wall body comprises the following specific steps:
the method comprises the following steps: component of support assembly 61
Preparing a support component 61 according to the actual length and height of the wall; the method specifically comprises the following steps: the wall beams 611 are arranged at intervals of 1m, 15cm welding flux light steel keels 612 are arranged on the front end face and the rear end face of the wall beams 611 at intervals, and the wall beams 611 are perpendicular to the light steel keels 612;
step two: preparation of mixed ecological brick 62
According to the weight parts, 15 parts of hollow straws, 55 parts of raw soil powder, 5 parts of water-retaining agent and 35 parts of water are mixed in a stirring device and then stirred uniformly to obtain a viscous mixture, then the viscous mixture is injected into a mold for molding, the mixture is solidified for 6 hours at room temperature and then is demoulded to obtain a wet green brick, and then the wet green brick is naturally dried for 15 days to obtain a mixed ecological brick 62; wherein the length of the mixed ecological brick is 20cm, the width is 8cm, and the height is 15 cm; the hollow straw is wheat straw;
step three: construction of heat-insulating green wall
Welding a buried steel structure base at the bottom of the supporting component 61, and welding two ends of the steel structure base with reserved steel bars of a building column structure; then, constructing a second heat-insulating layer 6, and after the second heat-insulating layer 6 is prepared, mounting the first heat-insulating layer 5 on a mounting hole of the mixed ecological brick 62 at the outer end of the second heat-insulating layer 6 through a plastic rubber plug; then, the anti-cracking layer 4, the bonding layer 3, the interface layer 2 and the base layer wall body 1 are constructed in sequence, and finally the decorative layer 7 is constructed; wherein, the anti-cracking layer 4 adopts alkali-resistant mesh cloth, the bonding layer 3 adopts rendering coat mortar, the interface layer 2 adopts interface mortar, the base layer wall body 1 adopts a conventional brick wall body, and the decorative layer 7 adopts wallpaper.
Example 2: the green wall based on the hollow straw and raw soil mixing shown in the figure 1 comprises a base wall 1, an interface layer 2, a bonding layer 3, an anti-cracking layer 4, a first heat preservation layer 5, a second heat preservation layer 6 and a decoration layer 7;
the base layer wall body 1, the interface layer 2, the bonding layer 3, the anti-cracking layer 4, the first heat preservation layer 5, the second heat preservation layer 6 and the decoration layer 7 are sequentially arranged from outside to inside;
the second insulating layer 6 comprises a support component 61 and mixed ecological bricks 62; support assembly 61 includes wall beam 611 and light gauge steel 612; the mixed ecological brick 62 is of a cuboid structure, and the upper end and the lower end of the inner side surface of the mixed ecological brick 62 are provided with clamping grooves 620;
a plurality of light steel keels 612 are vertically welded on the front end surface and the rear end surface of the wall beam 611 at intervals, and the height of the gaps between the light steel keels 612 is the same as that of the mixed ecological brick 62; the hybrid ecological brick 62 can be installed between two adjacent light steel keels 612 through the clamping groove 620; and the light steel keel adopts 1.2m multiplied by 1.2m as a basic equipment matching unit, and the basic equipment matching unit can realize factory assembly type prefabrication.
Wherein, the outer side surface of the mixed ecological brick 62 is provided with a mounting hole; first heat preservation 5 adopts rigid foam plastic board, and first heat preservation 5 passes through the plastics plug and installs on the mounting hole.
The construction process of the heat-preservation and heat-insulation green wall body comprises the following specific steps:
the method comprises the following steps: component of support assembly 61
Preparing a support component 61 according to the actual length and height of the wall; the method specifically comprises the following steps: the wall beams 611 are arranged at intervals of 1m, 15cm welding flux light steel keels 612 are arranged on the front end face and the rear end face of the wall beams 611 at intervals, and the wall beams 611 are perpendicular to the light steel keels 612;
step two: preparation of mixed ecological brick 62
According to the weight parts, taking 15 parts of hollow straws, 55 parts of raw soil powder, 5 parts of coarse sand, 7 parts of white portland cement, 10 parts of flame-retardant polyphenyl particles, 8 parts of polyimide, 5 parts of far infrared heating and heat-insulating fibers, 3 parts of ceramic micro powder, 8 parts of adhesive and 5 parts of water-retaining agent, uniformly stirring the mixture after mixing in a stirring device, then adding 35 parts of water, continuously stirring for 30min to obtain a viscous mixture, then injecting the viscous mixture into a mold for molding, solidifying the mixture at room temperature for 6 hours, demolding to obtain a wet green brick, and then naturally air-drying for 5 days to obtain a mixed ecological brick 62; wherein the length of the mixed ecological brick is 20cm, the width is 8cm, and the height is 15 cm; the hollow straw is wheat straw;
step three: construction of heat-insulating green wall
Welding a buried steel structure base at the bottom of the supporting component 61, and welding two ends of the steel structure base with reserved steel bars of a building column structure; then, constructing a second heat-insulating layer 6, and after the second heat-insulating layer 6 is prepared, mounting the first heat-insulating layer 5 on a mounting hole of the mixed ecological brick 62 at the outer end of the second heat-insulating layer 6 through a plastic rubber plug; then, the anti-cracking layer 4, the bonding layer 3, the interface layer 2 and the base layer wall body 1 are constructed in sequence, and finally the decorative layer 7 is constructed; wherein, the anti-cracking layer 4 adopts alkali-resistant mesh cloth, the bonding layer 3 adopts rendering coat mortar, the interface layer 2 adopts interface mortar, the base layer wall body 1 adopts a conventional brick wall body, and the decorative layer 7 adopts wallpaper.
Example 3: the difference from example 1 is: as shown in fig. 3, a first waterproof layer 621 is adhered to the inner side of the hybrid ecological brick 62 by a high-strength epoxy ab adhesive, and the first waterproof layer 621 is made of a polyethylene waterproof roll.
The construction process of the heat-preservation and heat-insulation green wall body comprises the following specific steps:
the method comprises the following steps: component of support assembly 61
Preparing a support component 61 according to the actual length and height of the wall; the method specifically comprises the following steps: the wall beams 611 are arranged at intervals of 1m, 15cm welding flux light steel keels 612 are arranged on the front end face and the rear end face of the wall beams 611 at intervals, and the wall beams 611 are perpendicular to the light steel keels 612; the light steel keel adopts 1.3m multiplied by 1.3m as a basic equipment matching unit, and the basic equipment matching unit can realize factory assembly type prefabrication;
step two: preparation of mixed ecological brick 62
According to the weight parts, 30 parts of hollow straws, 60 parts of raw soil powder, 6 parts of coarse sand, 8 parts of white portland cement, 11 parts of flame-retardant polyphenyl particles, 9 parts of polyimide, 6 parts of far infrared heating and heat-insulating fibers, 4 parts of ceramic micro powder, 9 parts of adhesive and 6 parts of water-retaining agent are mixed in a stirring device and then uniformly stirred, then 40 parts of water is added, after continuous stirring for 40min, a viscous mixture is obtained, then the mixture is injected into a mold for molding, after the mixture is solidified for 7 hours at room temperature, the mold is removed to obtain a wet green brick, and then the wet green brick is naturally dried for 6d to obtain a mixed ecological brick 62; the hollow straw is corn straw;
step three: construction of heat-insulating green wall
Welding a buried steel structure base at the bottom of the supporting component 61, and welding two ends of the steel structure base with reserved steel bars of a building column structure; then, constructing a second heat-insulating layer 6, and adhering a layer of polyethylene waterproof coiled material to the inner side end of the mixed ecological brick 62 through high-strength epoxy ab glue before inlaying the mixed ecological brick 62 on the supporting component 61; after the second heat-insulating layer 6 is prepared, the first heat-insulating layer 5 is arranged on the mounting hole of the mixed ecological brick 62 at the outer end of the second heat-insulating layer 6 through a plastic rubber plug; then, constructing a crack resistance layer 4, a bonding layer 3, an interface layer 2 and a base layer wall body 1 in sequence, finally filling joints among the mixed ecological bricks 62 on the inner side of the heat-insulating green wall body through a resin-based joint mixture, and constructing a decoration layer 7 on the mixed ecological bricks 62 on the inner side of the heat-insulating green wall body after filling joints, namely, pasting a layer of wallpaper; wherein, the anti-cracking layer 4 adopts alkali-resistant mesh cloth, the bonding layer 3 adopts rendering coat mortar, the interface layer 2 adopts interface mortar, and the base layer wall 1 adopts a conventional brick wall.
Example 4: the difference from example 1 is: as shown in fig. 4, the inner side of the hybrid ecological brick 62 is coated with a second waterproof layer 622, and the second waterproof layer 622 is made of JS waterproof paint.
The construction process of the heat-preservation and heat-insulation green wall body comprises the following specific steps:
the method comprises the following steps: component of support assembly 61
Preparing a support component 61 according to the actual length and height of the wall; the method specifically comprises the following steps: the wall beams 611 are arranged at intervals of 1m, 15cm welding flux light steel keels 612 are arranged on the front end face and the rear end face of the wall beams 611 at intervals, and the wall beams 611 are perpendicular to the light steel keels 612; the light steel keel adopts 1.5m multiplied by 1.5m as a basic equipment matching unit, and the basic equipment matching unit can realize factory assembly type prefabrication;
step two: preparation of mixed ecological brick 62
According to the weight parts, 45 parts of hollow straw, 65 parts of raw soil powder, 8 parts of coarse sand, 10 parts of white portland cement, 12 parts of flame-retardant polyphenyl particles, 10 parts of polyimide, 8 parts of far infrared heating and heat-insulating fibers, 5 parts of ceramic micro powder, 10 parts of adhesive and 7 parts of water-retaining agent are mixed in a stirring device and then uniformly stirred, 55 parts of water is added, after continuous stirring for 45min, a viscous mixture is obtained, then the mixture is injected into a mold for molding, after the mixture is solidified for 8 hours at room temperature, the mold is removed to obtain a wet green brick, and then the wet green brick is naturally dried for 7d to obtain a mixed ecological brick 62; the hollow straw is cotton straw;
step three: construction of heat-insulating green wall
Welding a buried steel structure base at the bottom of the supporting component 61, and welding two ends of the steel structure base with reserved steel bars of a building column structure; then, constructing a second heat-insulating layer 6, and coating a layer of JS waterproof paint on the inner side end of the mixed ecological brick 62 before embedding the mixed ecological brick 62 on the supporting component 61; after the second heat-insulating layer 6 is prepared, the first heat-insulating layer 5 is arranged on the mounting hole of the mixed ecological brick 62 at the outer end of the second heat-insulating layer 6 through a plastic rubber plug; then, constructing a crack resistance layer 4, a bonding layer 3, an interface layer 2 and a base layer wall body 1 in sequence, and finally filling joints among the mixed ecological bricks 62 on the inner side of the heat-insulating green wall body through a resin-based joint mixture; wherein, the anti-cracking layer 4 adopts alkali-resistant mesh cloth, the bonding layer 3 adopts rendering coat mortar, the interface layer 2 adopts interface mortar, and the base layer wall 1 adopts a conventional brick wall.
Claims (9)
1. A green wall based on hollow straw and raw soil mixing comprises a base wall (1), an interface layer (2), a bonding layer (3), an anti-cracking layer (4), a first heat-insulating layer (5), a second heat-insulating layer (6) and a decorative layer (7);
the base wall body (1), the interface layer (2), the bonding layer (3), the anti-cracking layer (4), the first heat-insulating layer (5), the second heat-insulating layer (6) and the decorative layer (7) are sequentially arranged from outside to inside;
characterized in that the second insulating layer (6) comprises a support component (61) and a mixed ecological brick (62); the support assembly (61) comprises a wall beam (611) and a light steel keel (612); the mixed ecological brick (62) is of a cuboid structure, and the upper end and the lower end of the inner side surface of the mixed ecological brick (62) are respectively provided with a clamping groove (620);
a plurality of light steel keels (612) are arranged on the front end face and the rear end face of the wall beam (611) in a welding mode at intervals, and gaps among the light steel keels (612) are as high as the hybrid ecological bricks (62); the mixed ecological brick (62) can be arranged between two adjacent light steel keels (612) through the clamping groove (620).
2. The green wall based on hollow straw raw soil mixing as claimed in claim 1, characterized in that the mixed ecological brick (62) is a straw brick, and the straw brick comprises the following components in parts by weight: 15-45 parts of hollow straw, 55-65 parts of raw soil powder, 5-7 parts of a water-retaining agent and 35-55 parts of water.
3. The green wall based on the hollow straw raw soil mixing as set forth in claim 1, wherein the mixed ecological brick (62) comprises the following components in parts by weight: 15-45 parts of hollow straw, 55-65 parts of raw soil powder, 5-8 parts of coarse sand, 7-10 parts of white portland cement, 10-12 parts of flame-retardant polyphenyl particles, 8-10 parts of polyimide, 5-8 parts of far infrared heating and heat-insulating fibers, 3-5 parts of ceramic micro powder, 8-10 parts of an adhesive, 5-7 parts of a water-retaining agent and 35-55 parts of water.
4. The green wall based on the hollow straw raw soil mixing as claimed in claim 3, wherein the preparation method of the mixed ecological brick (62) comprises the following steps: mixing hollow straws, raw soil powder, coarse sand, white portland cement, flame-retardant polyphenyl particles, polyimide, far infrared heating and heat-insulating fibers, ceramic micro powder, an adhesive and a water-retaining agent in parts by weight in a stirring device, uniformly stirring, adding water in parts by weight, continuously stirring for 30-45 min to obtain a viscous mixture, injecting the viscous mixture into a mold for molding, solidifying at room temperature for 6-8 h, demolding to obtain a wet green brick, and naturally air-drying for 5-7 d to obtain the mixed ecological brick (62).
5. The green wall based on the hollow straw raw soil mixing as claimed in claim 1, wherein the outer side surface of the mixed ecological brick (62) is provided with a mounting hole; the first heat preservation layer (5) is made of a hard foam plastic plate, and the first heat preservation layer (5) is installed on the installation hole through a plastic rubber plug.
6. The green wall based on the hollow straw and raw soil mixture as claimed in any one of claims 1 or 5, wherein a first waterproof layer (621) is adhered to the inner side of the ecological mixing brick (62) through a high-strength epoxy ab glue, and the first waterproof layer (621) is made of a polyethylene waterproof coiled material.
7. The green wall based on the hollow straw raw soil mixture as claimed in any one of claims 1 or 5, wherein the interior of the ecological mixed brick (62) is coated with a second waterproof layer (622), and the second waterproof layer (622) is made of JS waterproof paint.
8. The green wall based on hollow straw raw soil mixing of claim 1, wherein the ecological bricks (62) are joint-filled by resin-based joint mixture.
9. The green wall based on the hollow straw and raw soil mixing as claimed in claim 1, wherein the light steel keels (612) are vertically and alternately welded on the wall beams (611).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827497A (en) * | 2020-07-27 | 2020-10-27 | 福建兴港建工有限公司 | External wall heat insulation building block structure and construction method thereof |
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| CN111005473B (en) | 2021-03-23 |
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