CN112523390A - Building outer wall and protection process thereof - Google Patents
Building outer wall and protection process thereof Download PDFInfo
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- CN112523390A CN112523390A CN202011417706.XA CN202011417706A CN112523390A CN 112523390 A CN112523390 A CN 112523390A CN 202011417706 A CN202011417706 A CN 202011417706A CN 112523390 A CN112523390 A CN 112523390A
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- concrete
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- 238000000034 method Methods 0.000 title claims description 7
- 239000004567 concrete Substances 0.000 claims abstract description 64
- 239000011449 brick Substances 0.000 claims abstract description 61
- 239000010410 layer Substances 0.000 claims abstract description 48
- 239000010426 asphalt Substances 0.000 claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000011247 coating layer Substances 0.000 claims abstract description 19
- 229920002635 polyurethane Polymers 0.000 claims abstract description 19
- 239000004814 polyurethane Substances 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 12
- 229920002748 Basalt fiber Polymers 0.000 claims description 10
- 239000010425 asbestos Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- 229910052895 riebeckite Inorganic materials 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000010440 gypsum Substances 0.000 claims description 7
- 229910052602 gypsum Inorganic materials 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000084 colloidal system Substances 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000012790 adhesive layer Substances 0.000 description 6
- 230000035515 penetration Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Images
Classifications
-
- 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
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- E04B1/66—Sealings
-
- 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
- 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
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/945—Load-supporting structures specially adapted therefor
-
- 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
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/04—Walls having neither cavities between, nor in, the solid elements
-
- 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
-
- 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
- E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
- E04C1/41—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts composed of insulating material and load-bearing concrete, stone or stone-like material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Acoustics & Sound (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
- Finishing Walls (AREA)
Abstract
The invention provides a building outer wall which comprises a first skin and a second skin, wherein the first skin and the second skin are sequentially and upwards built, the first skin is formed by transversely paving two layers of building blocks, the second skin is formed by transversely paving one layer of building blocks, and the building blocks of the second skin are arranged in a staggered mode relative to the building blocks of the first skin. The building blocks comprise concrete-based waterproof bricks. The permeable active waterproof particles are added into the concrete-based waterproof brick used for the building exterior wall, after the building block is used for decades, the waterproof effect of the polyurethane waterproof coating layer and the second asphalt felt is weakened, when a gap exists in the building block, the waterproof effect is weakened, a curing agent solution is injected into the concrete-based waterproof brick through the drainage tube, the permeable active waterproof particles are dissolved in the curing agent solution to form a colloid, then the colloid is filled along the gap of the building block, loose sand is bonded into a tight waterproof solid like glue after the waterproof agent is solidified, the waterproof effect is improved, and the service life of the building exterior wall is prolonged.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a building outer wall and a protection process thereof.
Background
And if the A-B wall line can cut the related enclosure structure, the A-B wall line is an inner wall, otherwise, the A-B wall line is an outer wall. From the architectural perspective, the boundary member for enclosing a building to form an indoor space and an outdoor space is called an outer wall. It has the functions of: bear certain load, shelter from wind and rain, preserve heat and insulate heat, prevent noise, prevent fire and be safe, etc.
The waterproof structure of the outer wall of the building has the basic function of preventing rainwater and snow water from invading the wall body, and has the performances of freeze thawing resistance, high and low temperature resistance, wind load bearing and the like. The building outer wall is built by building blocks one by one, the building blocks are semi-finished products of building materials and are basic unit blocks which form masonry components (walls, columns and the like), and the building outer wall is hollow and solid, and has no matter what the type of materials is and what the weight is. The building blocks are mostly rectangular hexahedrons, are mostly made of concrete, industrial waste (slag, fly ash and the like) or local materials, have the advantages of simple equipment and high building speed, and meet the requirement of wall body reformation in the industrial development of buildings.
After the building blocks are used for more than ten years and twenty years, gaps can be formed inside the building blocks, so that the waterproof effect is weakened, water seepage into a room is often seen on rainy days of walls of old buildings due to cracks formed inside the walls, and the existing solution is that the old buildings are dismantled or waterproof layers are coated on the outer sides of the walls again, but the construction amount is large, and the building blocks are not suitable for the condition of slight or local water seepage.
Disclosure of Invention
The invention aims to provide a building outer wall and a protection process thereof, which improve the waterproof performance and prolong the service life.
In order to solve the technical problem, an embodiment of the invention provides a building outer wall, which comprises a first skin and a second skin, wherein the first skin and the second skin are sequentially and upwards built, the first skin is formed by transversely laying two layers of building blocks, the second skin is formed by transversely laying one layer of building blocks, and the building blocks of the second skin are arranged in a staggered manner relative to the building blocks of the first skin.
The building block comprises building blocks, a first skin and a second skin, wherein one end of each building block is provided with a dovetail groove penetrating through the building block from front to back, the other end of each building block is provided with a dovetail-shaped convex edge matched with the dovetail groove, and the left end and the right end of each layer of building blocks of the first skin and the second skin are spliced into a whole from left to right through the dovetail grooves and the dovetail-shaped convex edges.
Wherein the building block is formed by sequentially compounding a water-resistant gypsum board, a first asphalt felt, a concrete-based waterproof brick, a polyurethane waterproof coating layer, a second asphalt felt, an asbestos insulation board, a fireproof adhesive layer, a basalt fiber braided layer, a mortar plastering layer and a finishing layer, the first asphalt felt is bonded on the side of the water-resistant gypsum board through a first adhesive layer, the concrete-based waterproof brick is bonded on the side of the first asphalt felt through a second adhesive layer, the polyurethane waterproof coating layer is coated on the side of the concrete-based waterproof brick, the second asphalt felt is bonded on the side of the polyurethane waterproof coating layer through a third adhesive layer, the asbestos insulation board is bonded to the side of the second asphalt felt through a fourth adhesive layer, the asbestos insulation board is connected with a basalt fiber braided layer through a fireproof adhesive layer, and a mortar plastering layer and a finishing layer are sequentially coated on the side of the basalt fiber braided layer;
the concrete-based waterproof brick takes concrete as a base material, and permeable active waterproof particles are distributed in the whole area of the base material.
Furthermore, the concrete-based waterproof bricks at the upper end surfaces of the building blocks are concave downwards, the concrete-based waterproof bricks at the lower end surfaces of the building blocks are convex downwards, and the upper-layer building blocks and the lower-layer building blocks of the first skins and the second skins are spliced at the concrete-based waterproof bricks.
Preferably, the concrete-based waterproof brick is prepared from the following raw materials in parts by weight: 30-50 parts of permeable active waterproof particles, 60-80 parts of fine sand, 15-23 parts of lime and 8-15 parts of cement.
The preparation method of the concrete-based waterproof brick comprises the following steps:
(1) mixing 60-80 parts of fine sand, 15-23 parts of lime and 8-15 parts of cement in an autoclave, adding water and stirring to obtain a cement mixture A;
(2) adding 30-50 parts of permeable active waterproof particles into the daub mixture A obtained in the step (1), and uniformly stirring to obtain a daub mixture B;
(3) and (4) introducing the daub mixture B into a mould, naturally drying and cooling, and demoulding to obtain the concrete-based waterproof brick finished product.
The invention provides a protection process for an outer wall of a building, which comprises the following steps:
(a) determining a serious water seepage area formed on the outer wall of the building due to long service life;
(b) drilling a hole in one building block in a region with serious water seepage to the depth of the concrete-based waterproof brick;
(c) inserting a drainage tube into the drill hole;
(d) dissolving curing agent particles in water according to the ratio of 1:200-500 to prepare a curing agent solution;
(e) and (2) pouring a curing agent solution into the concrete-based waterproof brick through the drainage tube, penetrating the concrete-based waterproof brick which is aligned and spliced up and down, left and right to the whole serious water seepage area, dissolving the permeable active waterproof particles in the concrete-based waterproof brick into the curing agent solution, penetrating into the gap of the building block, and tightly plugging the gap of the building block after solidification to finish the waterproof protection of the building outer wall.
The technical scheme of the invention has the following beneficial effects: the penetration type active waterproof particles are added into the concrete-based waterproof brick used for the building outer wall, the polyurethane waterproof coating layer and the second asphalt felt are arranged on the outer side of the concrete-based waterproof brick, the waterproof effect of the polyurethane waterproof coating layer and the second asphalt felt is good at the initial use stage of the building block, rainwater is blocked by the polyurethane waterproof coating layer and the second asphalt felt, the rainwater cannot penetrate into the concrete-based waterproof brick, and the penetration type active waterproof particles in the concrete-based waterproof brick do not work; when the building block is used for decades, the waterproof effect of the polyurethane waterproof coating layer and the second asphalt felt is weakened, when a gap exists in the concrete-based waterproof brick, rainwater can permeate into the concrete-based waterproof brick, at the moment, curing agent solution is injected into the concrete-based waterproof brick through the drainage tube, permeable active waterproof particles are dissolved in the curing agent solution to form colloid, then the colloid is filled along the gap of the building block, loose sand is bonded into compact waterproof solid like glue after the waterproof agent is solidified, the waterproof effect is improved, and the service life of the building outer wall is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the building block of the present invention;
fig. 3 is an enlarged view of a cross-sectional view of the building block of the present invention.
Description of reference numerals:
1. a first skin; 2. a second skin; 3. building blocks; 301. a water-resistant gypsum board; 302. a first asphalt felt; 303. concrete-based waterproof bricks; 304. a polyurethane waterproof coating layer; 305. a second asphalt felt; 306. an asbestos insulation board; 307. a fireproof glue layer; 308. a basalt fiber braid; 309. plastering a surface layer by using mortar; 310. a finishing layer; 4. a dovetail groove; 5. dovetail shaped ribs.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the invention provides a building exterior wall, which comprises a first skin 1 and a second skin 2, wherein the first skin 1 and the second skin 2 are sequentially and upwardly laid, the first skin 1 is formed by transversely laying two layers of building blocks 3, the second skin 2 is formed by transversely laying one layer of building blocks 3, and the building blocks of the second skin 2 are arranged in a staggered manner relative to the building blocks of the first skin 1.
As shown in fig. 2, one end of the building block 3 is provided with a dovetail groove 4 penetrating through the front and back, the other end is provided with a dovetail-shaped rib 5 matched with the dovetail groove 4, and the left end and the right end of each layer of building block 3 of the first skin 1 and the second skin 2 are spliced into a whole through the dovetail groove 4 and the dovetail-shaped rib 5.
As shown in fig. 3, the building block 3 is formed by sequentially compounding a water-resistant gypsum board 301, a first asphalt felt 302, a concrete-based waterproof brick 303, a polyurethane waterproof coating layer 304, a second asphalt felt 305, an asbestos insulation board 306, a fireproof glue layer 307, a basalt fiber braided layer 308, a mortar finishing layer 309 and a finishing layer 310, wherein the first asphalt felt 302 is bonded to the lateral side of the water-resistant gypsum board 301 through a first glue joint layer, the concrete-based waterproof brick 303 is bonded to the lateral side of the first asphalt felt 302 through a second glue joint layer, the polyurethane waterproof coating layer 304 is coated to the lateral side of the concrete-based waterproof brick 303, the second asphalt felt 305 is bonded to the lateral side of the polyurethane waterproof coating layer 304 through a third glue joint layer, the asbestos insulation board 306 is bonded to the lateral side of the second asphalt felt 305 through a fourth glue joint layer, the asbestos insulation board 306 is connected to the basalt fiber braided layer 308 through the fireproof glue layer 307, a mortar plastering layer 309 and a finishing layer 310 are sequentially coated on the side of the basalt fiber braided layer 308.
The concrete-based waterproof bricks 303 on the upper end surfaces of the building blocks are concave downwards, the concrete-based waterproof bricks 303 on the lower end surfaces of the building blocks are convex downwards, and the upper and lower building blocks 3 of the first skins 1 and the second skins 2 are spliced at the concrete-based waterproof bricks 303.
The concrete-based waterproof brick 303 uses concrete as a base material, and permeable active waterproof particles are distributed in the whole area of the base material. The concrete-based waterproof brick 303 is prepared from the following raw materials in parts by weight: 30-50 parts of permeable active waterproof particles, 60-80 parts of fine sand, 15-23 parts of lime and 8-15 parts of cement.
The preparation method of the concrete-based waterproof brick 303 comprises the following steps:
(1) mixing 60-80 parts of fine sand, 15-23 parts of lime and 8-15 parts of cement in an autoclave, adding water and stirring to obtain a cement mixture A;
(2) adding 30-50 parts of permeable active waterproof particles into the daub mixture A obtained in the step (1), and uniformly stirring to obtain a daub mixture B;
(3) and (4) introducing the daub mixture B into a mould, naturally drying and cooling, and demoulding to obtain the concrete-based waterproof brick finished product.
The invention also provides a protection process for the building outer wall, which comprises the following steps:
(a) determining a serious water seepage area formed on the outer wall of the building due to long service life;
(b) drilling a hole in one building block in a region with serious water seepage to the depth of the concrete-based waterproof brick;
(c) inserting a drainage tube into the drill hole;
(d) dissolving curing agent particles in water according to the ratio of 1:200-500 to prepare a curing agent solution;
(e) and (2) pouring a curing agent solution into the concrete-based waterproof brick through the drainage tube, penetrating the concrete-based waterproof brick which is aligned and spliced up and down, left and right to the whole serious water seepage area, dissolving the permeable active waterproof particles in the concrete-based waterproof brick into the curing agent solution, penetrating into the gap of the building block, and tightly plugging the gap of the building block after solidification to finish the waterproof protection of the building outer wall.
The penetration type active waterproof particles are added into the concrete-based waterproof brick used for the building outer wall, the polyurethane waterproof coating layer and the second asphalt felt are arranged on the outer side of the concrete-based waterproof brick, the waterproof effect of the polyurethane waterproof coating layer and the second asphalt felt is good at the initial use stage of the building block, rainwater is blocked by the polyurethane waterproof coating layer and the second asphalt felt, the rainwater cannot penetrate into the concrete-based waterproof brick, and the penetration type active waterproof particles in the concrete-based waterproof brick do not work; when the building block is used for decades, the waterproof effect of the polyurethane waterproof coating layer and the second asphalt felt is weakened, when a gap exists in the concrete-based waterproof brick, rainwater can permeate into the concrete-based waterproof brick, at the moment, curing agent solution is injected into the concrete-based waterproof brick through the drainage tube, permeable active waterproof particles are dissolved in the curing agent solution to form colloid, then the colloid is filled along the gap of the building block, loose sand is bonded into compact waterproof solid like glue after the waterproof agent is solidified, the waterproof effect is improved, and the service life of the building outer wall is prolonged.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a building outer wall, its characterized in that includes first skin and second skin, upwards builds by laying bricks or stones in proper order by first skin and second skin and forms, first skin is by the horizontal two-layer formation of tiling of building block, the second skin is by the horizontal one deck formation of tiling of building block, the building block dislocation set of building block for first skin of second skin.
2. The building exterior wall according to claim 1, wherein one end of the building block is provided with a dovetail groove penetrating through the front and the back, the other end of the building block is provided with a dovetail-shaped rib matched with the dovetail groove, and the left end and the right end of each layer of building blocks of the first skin and the second skin are spliced into a whole through the dovetail groove and the dovetail-shaped rib.
3. The building exterior wall according to claim 1 or 2, wherein the building block is formed by sequentially compounding a water-resistant gypsum board, a first asphalt felt, a concrete-based waterproof brick, a polyurethane waterproof coating layer, a second asphalt felt, an asbestos insulation board, a fireproof glue layer, a basalt fiber woven layer, a mortar finishing layer and a finishing layer, the first asphalt felt is bonded to the side of the water-resistant gypsum board through a first glue joint layer, the concrete-based waterproof brick is bonded to the side of the first asphalt felt through a second glue joint layer, the polyurethane waterproof coating layer is coated to the side of the concrete-based waterproof brick, the second asphalt felt is bonded to the side of the polyurethane waterproof coating layer through a third glue joint layer, the asbestos insulation board is bonded to the side of the second asphalt felt through a fourth glue joint layer, and the asbestos insulation board is connected with the basalt fiber woven layer through a fireproof glue layer, a mortar plastering layer and a finishing layer are sequentially coated on the side of the basalt fiber braided layer;
the concrete-based waterproof brick takes concrete as a base material, and permeable active waterproof particles are distributed in the whole area of the base material.
4. The building exterior wall according to claim 3, wherein the concrete-based waterproof bricks on the upper end surfaces of the building blocks are concave downward, the concrete-based waterproof bricks on the lower end surfaces of the building blocks are convex downward, and the upper and lower building blocks of the first and second skins are spliced at the concrete-based waterproof bricks.
5. The building exterior wall according to claim 3, wherein the concrete-based waterproof brick is prepared from the following raw materials in parts by weight: 30-50 parts of permeable active waterproof particles, 60-80 parts of fine sand, 15-23 parts of lime and 8-15 parts of cement.
6. The building exterior wall according to claim 5, wherein the preparation method of the concrete-based waterproof brick comprises the following steps:
(1) mixing 60-80 parts of fine sand, 15-23 parts of lime and 8-15 parts of cement in an autoclave, adding water and stirring to obtain a cement mixture A;
(2) adding 30-50 parts of permeable active waterproof particles into the daub mixture A obtained in the step (1), and uniformly stirring to obtain a daub mixture B;
(3) and (4) introducing the daub mixture B into a mould, naturally drying and cooling, and demoulding to obtain the concrete-based waterproof brick finished product.
7. A protection process for an external wall of a building is characterized by comprising the following steps:
(a) determining a serious water seepage area formed on the outer wall of the building due to long service life;
(b) drilling a hole in one building block in a region with serious water seepage to the depth of the concrete-based waterproof brick;
(c) inserting a drainage tube into the drill hole;
(d) dissolving curing agent particles in water according to the ratio of 1:200-500 to prepare a curing agent solution;
(e) and (2) pouring a curing agent solution into the concrete-based waterproof brick through the drainage tube, penetrating the concrete-based waterproof brick which is aligned and spliced up and down, left and right to the whole serious water seepage area, dissolving the permeable active waterproof particles in the concrete-based waterproof brick into the curing agent solution, penetrating into the gap of the building block, and tightly plugging the gap of the building block after solidification to finish the waterproof protection of the building outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417706.XA CN112523390A (en) | 2020-12-07 | 2020-12-07 | Building outer wall and protection process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417706.XA CN112523390A (en) | 2020-12-07 | 2020-12-07 | Building outer wall and protection process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112523390A true CN112523390A (en) | 2021-03-19 |
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|---|---|---|---|
| CN202011417706.XA Pending CN112523390A (en) | 2020-12-07 | 2020-12-07 | Building outer wall and protection process thereof |
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| CN (1) | CN112523390A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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