CN113833298A - Outer wall surface modification method without removing original outer wall surface - Google Patents
Outer wall surface modification method without removing original outer wall surface Download PDFInfo
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- CN113833298A CN113833298A CN202111073976.8A CN202111073976A CN113833298A CN 113833298 A CN113833298 A CN 113833298A CN 202111073976 A CN202111073976 A CN 202111073976A CN 113833298 A CN113833298 A CN 113833298A
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- 238000002715 modification method Methods 0.000 title claims abstract description 7
- 239000011083 cement mortar Substances 0.000 claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000003973 paint Substances 0.000 claims abstract description 5
- 238000004873 anchoring Methods 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 239000000835 fiber Substances 0.000 claims description 29
- 239000002585 base Substances 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 239000004795 extruded polystyrene foam Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0296—Repairing or restoring facades
-
- 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
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7625—Details of the adhesive connection of the insulation to the wall
-
- 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
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7629—Details of the mechanical connection of the insulation to the wall
-
- 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
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/047—Plaster carrying meshes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses an outer wall surface modification method without removing an original outer wall surface, which comprises the following steps: coating a first layer of interface agent on the structural base layer of which the aged outer wall surface is removed from the original outer wall surface; continuously coating cement mortar on the surface of the first layer of the interface agent until the original tile surface/the original plastering layer are leveled; continuously and sequentially smearing a second layer of interfacial agent and an adhesive on the surface of the cement mortar, anchoring an extruded sheet on the surface of the adhesive, and fixing the extruded sheet on the structural base layer of the original outer wall surface without the aged outer wall surface by using an anchor bolt; and sequentially coating a layer of anti-crack mortar, putty powder and exterior wall paint on the surface of the extruded sheet. The method for modifying the outer wall surface reduces the risk of falling of the construction waste, reduces the safety protection pressure, reduces the collection and transportation of the construction waste, saves manpower and material resources and shortens the construction period.
Description
Technical Field
The invention relates to the field of an outer wall surface modification method. More particularly, the invention relates to an exterior wall surface modification method without removing the original exterior wall surface.
Background
The old buildings cannot adapt to the development of modern cities due to the influence of various factors such as the building period, the building mode and the like, and certain upgrading and reconstruction designs of the old buildings are necessary. The building facade reconstruction occupies a main position in the whole reconstruction work, and the reconstruction of the wall body in the existing facade reconstruction usually directly eliminates the original outer wall surface and then carries out corresponding decoration according to the design so as to achieve the effect of the design.
The method of directly removing the original outer wall surface causes secondary damage to the original wall body and influences the safety of the building structure; the building garbage on the removed outer wall surface has the risk of falling, and the safety protection pressure is large.
Disclosure of Invention
To achieve these objects and other advantages in accordance with the present invention, there is provided an exterior wall modification method without removing an original exterior wall, comprising the steps of:
coating a first layer of interface agent on the structural base layer of which the aged outer wall surface is removed from the original outer wall surface;
continuously coating cement mortar on the surface of the first layer of the interface agent until the original tile surface/the original plastering layer are leveled;
continuously and sequentially coating a second layer of interface agent and adhesive on the surface of the cement mortar,
anchoring an extruded sheet on the surface of the adhesive, wherein the extruded sheet is fixed on the structural base layer of the original outer wall surface after the aged outer wall surface is removed by an anchor bolt;
and sequentially coating a layer of anti-crack mortar, putty powder and exterior wall paint on the surface of the extruded sheet.
According to a preferred embodiment of the invention, in the method for modifying the outer wall surface without removing the original outer wall surface, the anti-crack mortar is embedded with two alkali-resistant glass fiber mesh cloths in the coating process.
According to a preferred embodiment of the invention, in the method for modifying the outer wall surface without removing the original outer wall surface, the two alkali-resistant glass fiber mesh fabrics are arranged in a staggered manner.
According to a preferred embodiment of the present invention, in the method for modifying an exterior wall surface without removing the original exterior wall surface, the extruded sheet is an extruded polystyrene foam sheet.
According to a preferred embodiment of the invention, in the method for modifying the outer wall surface without removing the original outer wall surface, after the cement mortar is coated, the roller is adopted to coat the surface of the cement mortar for multiple times, so that the surface is smooth.
According to a preferred embodiment of the invention, in the method for modifying the outer wall surface without removing the original outer wall surface, before the cement mortar is coated, the steel fibers are spread on the surface of the first interface agent, so that the steel fibers are partially embedded in the first interface agent and partially extend out of the first interface agent, and after the cement mortar is coated, the steel fibers extending out of the first interface agent are embedded in the cement mortar.
According to a preferred embodiment of the invention, in the method for modifying the outer wall surface without removing the original outer wall surface, after the cement mortar is coated, the steel fibers are scattered on the surface of the cement mortar, so that the steel fibers are partially embedded in the cement mortar and partially extend out of the cement mortar, and after the second layer of interfacial agent is coated, the steel fibers extending out of the cement mortar are embedded in the second layer of interfacial agent.
According to a preferred embodiment of the invention, in the method for modifying the external wall surface without removing the original external wall surface, two adjacent extruded sheets are connected through a connecting structure.
According to a preferred embodiment of the present invention, in the method for modifying an exterior wall surface without removing the original exterior wall surface, the connecting structure comprises a connecting cylinder, a connecting rod and a spring, wherein the connecting cylinder, the connecting rod and the spring are arranged in the connecting structure, and the connecting rod is connected with the connecting cylinder
Connecting cylinder one end is opened, and the other end is sealed, just connecting cylinder confined one end is provided with the perforating hole, the limiting plate is connected perpendicularly to connecting rod one end, the open one end of connecting cylinder the connecting rod is kept away from the one end of limiting plate is connected respectively in the one end that two adjacent extruded sheet are close to each other, connecting rod portion stretches into in the connecting cylinder, just the limiting plate is located in the connecting cylinder, the limiting plate with set up a plurality of springs between the connecting cylinder confined one end, all springs are the annular and distribute.
According to a preferred embodiment of the present invention, in the method for modifying an external wall surface without removing the original external wall surface, the spring is a rigid spring.
The invention at least comprises the following beneficial effects:
(1) the safety of the wall structure is maintained, and the wall structure is prevented from being further eroded by rain, wind and the like;
(2) the risk of falling of the construction waste is reduced, and the safety protection pressure is reduced;
(3) the collection and the transportation of construction waste are reduced, the manpower and material resources are saved, and the construction period is shortened;
(4) reduces the pollution of dust generated by removing the outer wall surface to the environment and has good economic effect.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an improved exterior wall surface of the present invention.
Fig. 2 is a schematic structural view of the connection structure of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1-2, the method for modifying an external wall surface without removing the original external wall surface of the invention comprises the following steps:
coating a first layer of interfacial agent 2 on the structural base layer 1 after the aged outer wall surface of the original outer wall surface is removed;
continuously smearing cement mortar 3 on the surface of the first layer of the interface agent 2 until the original tile surface/the original plastering layer are leveled;
continuously and sequentially smearing a second layer of interfacial agent 4 and a bonding agent 5 on the surface of the cement mortar 3,
anchoring an extruded sheet 6 on the surface of the adhesive 5, wherein the extruded sheet 6 is fixed on the structural base layer 1 of the original outer wall surface after the aged outer wall surface is removed by an anchor bolt;
and a layer of anti-crack mortar 7, putty powder 8 and exterior wall paint 9 are sequentially coated on the surface of the extruded sheet 6.
The interfacial agent is formed by treating the surface of the object, which may be physically acting adsorption or coating, and often also by physicochemical action. The aim is to improve or completely modify the physico-technical properties and surface chemical properties of the material surface. The interfacial agent used for the first layer interfacial agent and the second layer interfacial agent may be the same. The surface of the original structural base layer is treated by the first layer of the interface agent, so that the surface performance of the original structural base layer is changed, the subsequent adhesion of other coatings and other materials is easy, and after the cement mortar layer is coated, the surface of the original structural base layer is treated by the second layer of the interface agent continuously, so that the subsequent construction is convenient.
In order to improve the crack resistance of the crack-resistant mortar layer 3 and to provide the overall strength, an alkali-resistant glass fiber mesh cloth is embedded in the crack-resistant mortar layer 3.
Furthermore, the number of layers of the alkali-resistant glass fiber mesh cloth embedded is preferably 2, so that the cost is not increased while the anti-cracking effect is ensured as much as possible, and the two layers of alkali-resistant glass fiber mesh cloth can be staggered, so that the anti-cracking effect is better.
The size of each extruded sheet 6 is 1200mm 600mm, 4 anchor bolts are fixed on each square meter of extruded sheet 6, each extruded sheet is not less than 4 anchor bolts, and the distance between any two anchor bolts is not more than 600 mm. If the extruded sheet size is little, it is also inconvenient to be under construction, and the efficiency of construction is also low moreover, and the distance between the crab-bolt is too big, can lead to firm effect not good.
Furthermore, in the method for modifying the outer wall surface without removing the original outer wall surface, the extruded sheet 6 is an extruded polystyrene foam sheet, the extruded sheet is a material formed by continuous extrusion foaming through a special process, hard films formed on the surface of the extruded sheet are uniform and flat, and the inner part of the extruded sheet is completely closed and foamed continuously and uniformly to form a honeycomb structure, so that the extruded sheet has the characteristics of high compression resistance, light weight, no water absorption, no air permeability, wear resistance and no degradation.
Furthermore, in the method for reconstructing the outer wall surface without removing the original outer wall surface, after the cement mortar is coated, the roller is adopted to coat the surface of the cement mortar for multiple times, so that the surface is smooth.
Furthermore, in the method for modifying the outer wall surface without removing the original outer wall surface, before the cement mortar is coated, steel fibers are scattered on the surface of the first layer of interfacial agent, so that the steel fibers are partially embedded in the first layer of interfacial agent and partially extend out of the first layer of interfacial agent, after the cement mortar is coated, the part of the steel fibers extending out of the first layer of interfacial agent is embedded in the cement mortar, the steel fibers refer to fibers with the length-diameter ratio of 40-80 prepared by a thin steel wire cutting method, cold-rolled strip steel shearing, steel ingot milling or molten steel rapid condensation method, one end of each steel fiber is embedded in the cement mortar, and the other end of each steel fiber is embedded in the first layer of interfacial agent, so that the bonding density of the steel fibers and the first layer of interfacial agent is improved, and the steel fibers and the first layer of interfacial agent cannot fall off.
Furthermore, in the method for reconstructing the outer wall surface without removing the original outer wall surface, after cement mortar is smeared, steel fibers are scattered on the surface of the cement mortar, so that the steel fibers are partially embedded in the cement mortar and partially extend out of the cement mortar, and after a second layer of interface agent is smeared, the steel fibers extending out of the cement mortar are embedded in the second layer of interface agent. One end of the steel fiber is embedded into cement mortar, and the other end of the steel fiber is embedded into the second layer of interfacial agent, so that the bonding density of the steel fiber and the cement mortar is improved, and the steel fiber and the cement mortar cannot fall off.
Further, considering that individual extruded sheets 6 can fall off, once the individual extruded sheets fall off, not only can the building be badly affected, but also pedestrians below can be hit, so that unsafe influence is brought, in order to avoid the problem, a connecting structure is arranged between two adjacent extruded sheets 6, that is to say, the two adjacent extruded sheets 6 are connected through the connecting structure.
Provide connection structure's a specific structure below, wherein connection structure includes connecting cylinder 10, connecting rod 11 and spring 12, wherein connecting cylinder 10 one end is opened, and the other end is sealed, just connecting cylinder 10 confined one end is provided with the perforating hole, limiting plate 13 is connected perpendicularly to connecting rod 11 one end, connecting cylinder 10 open one end connecting rod 11 keeps away from limiting plate 13's one end is connected respectively in the one end that two adjacent extruded sheet 6 are close to each other, connecting rod 11 part stretches into in the connecting cylinder 10, just limiting plate 13 is located in the connecting cylinder 10, limiting plate 13 with set up a plurality of springs 12 between the connecting cylinder 10 confined one end, all springs 12 are the annular distribution.
When one of the extruded sheets 6 may fall due to looseness, the connecting structure will function, the adjacent second extruded sheet 6 will utilize the connecting structure to pull the extruded sheet 6 which may fall, the connecting rod 11 will be pulled by the extruded sheet 6 which is about to fall to move downwards, but at this time, the spring 12 will be compressed, the rebound force generated by the spring will pull the extruded sheet 66 which is about to fall upwards, so as to reduce the burden of gravity on the previous extruded sheet 6, and the third extruded sheet 6 adjacent to the second extruded sheet 6 will pull the second extruded sheet 6, that is, the plurality of extruded sheets 6 around the third extruded sheet will pull one extruded sheet 6 at the same time, and the gravity of the third extruded sheet is dispersed to the plurality of extruded sheets 6 around the third extruded sheet, so as to avoid collapse.
In the method for modifying the outer wall surface without removing the original outer wall surface, the spring 12 is a rigid spring.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. An outer wall surface modification method without removing an original outer wall surface is characterized by comprising the following steps:
coating a first layer of interface agent on the structural base layer of which the aged outer wall surface is removed from the original outer wall surface;
continuously coating cement mortar on the surface of the first layer of the interface agent until the original tile surface/the original plastering layer are leveled;
continuously and sequentially coating a second layer of interface agent and adhesive on the surface of the cement mortar,
anchoring an extruded sheet on the surface of the adhesive, wherein the extruded sheet is fixed on the structural base layer of the original outer wall surface after the aged outer wall surface is removed by an anchor bolt;
and sequentially coating a layer of anti-crack mortar, putty powder and exterior wall paint on the surface of the extruded sheet.
2. The method for modifying an exterior wall surface without removing the original exterior wall surface as claimed in claim 1, wherein two alkali-resistant fiberglass meshes are embedded into the anti-crack mortar during the coating process.
3. The method for modifying an exterior wall surface without removing the original exterior wall surface as claimed in claim 2, wherein the two alkali-resistant glass fiber mesh fabrics are arranged in a staggered manner.
4. The method of claim 1, wherein the extruded panel is an extruded polystyrene foam panel.
5. The method for modifying the outer wall surface without removing the original outer wall surface as claimed in claim 1, wherein after the cement mortar is applied, the roller is used to apply paint on the surface of the cement mortar for a plurality of times so as to flatten the surface.
6. The method for modifying an exterior wall surface without removing the original exterior wall surface as claimed in claim 1, wherein the steel fibers are spread on the surface of the first interfacial agent before applying the cement mortar so that the steel fibers are partially embedded in the first interfacial agent and partially extend out of the first interfacial agent, and the steel fibers are embedded in the cement mortar after applying the cement mortar so that the steel fibers extend out of the first interfacial agent.
7. The method for modifying an exterior wall surface without removing the original exterior wall surface as claimed in claim 1, wherein after the cement mortar is applied, the steel fibers are spread on the surface of the cement mortar so that the steel fibers are partially embedded in the cement mortar and partially extend out of the cement mortar, and after the second layer of interfacial agent is applied, the steel fibers extending out of the cement mortar are embedded in the second layer of interfacial agent.
8. The method for modifying an exterior wall surface without removing the original exterior wall surface as claimed in claim 1, wherein the adjacent two extruded panels are connected by a connecting structure.
9. The method as claimed in claim 8, wherein the connecting structure comprises a connecting cylinder, a connecting rod and a spring, wherein the connecting cylinder, the connecting rod and the spring are connected to the connecting structure
Connecting cylinder one end is opened, and the other end is sealed, just connecting cylinder confined one end is provided with the perforating hole, the limiting plate is connected perpendicularly to connecting rod one end, the open one end of connecting cylinder the connecting rod is kept away from the one end of limiting plate is connected respectively in the one end that two adjacent extruded sheet are close to each other, connecting rod portion stretches into in the connecting cylinder, just the limiting plate is located in the connecting cylinder, the limiting plate with set up a plurality of springs between the connecting cylinder confined one end, all springs are the annular and distribute.
10. The method for modifying an exterior wall surface without removing an original exterior wall surface as claimed in claim 1, wherein the spring is a rigid spring.
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| CN202111073976.8A CN113833298B (en) | 2021-09-14 | 2021-09-14 | Outer wall surface modification method without removing original outer wall surface |
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| CN202111073976.8A CN113833298B (en) | 2021-09-14 | 2021-09-14 | Outer wall surface modification method without removing original outer wall surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012662A (en) * | 2022-06-27 | 2022-09-06 | 湖北辰金新材料科技有限公司 | Construction method of building outer wall |
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| CN107338967A (en) * | 2017-06-12 | 2017-11-10 | 张新生 | A kind of new technology and new material of aging blocks outdoor tile facing renewal and reform |
| CN109098465A (en) * | 2018-09-04 | 2018-12-28 | 河北省建筑科学研究院 | Existing building low energy consumption energy-conserving reconstruction method |
| CN110670898A (en) * | 2019-09-30 | 2020-01-10 | 苏州百联节能科技股份有限公司 | Old building outer wall reconstruction construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012662A (en) * | 2022-06-27 | 2022-09-06 | 湖北辰金新材料科技有限公司 | Construction method of building outer wall |
| CN115012662B (en) * | 2022-06-27 | 2023-10-03 | 新疆悦盛诚达建筑工程有限公司 | Construction method of building outer wall |
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