CN108086712B - Ancient building wall middle column protection structure and construction method - Google Patents
Ancient building wall middle column protection structure and construction method Download PDFInfo
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- CN108086712B CN108086712B CN201810073324.6A CN201810073324A CN108086712B CN 108086712 B CN108086712 B CN 108086712B CN 201810073324 A CN201810073324 A CN 201810073324A CN 108086712 B CN108086712 B CN 108086712B
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- 238000010276 construction Methods 0.000 title claims abstract description 10
- 239000002023 wood Substances 0.000 claims abstract description 111
- 239000002383 tung oil Substances 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 40
- 239000011083 cement mortar Substances 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 10
- 239000010426 asphalt Substances 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 8
- 230000008439 repair process Effects 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 12
- 241000256602 Isoptera Species 0.000 abstract description 11
- 230000000149 penetrating effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 9
- 239000012466 permeate Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 6
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 6
- 238000005536 corrosion prevention Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 3
- 229920001038 ethylene copolymer Polymers 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0207—Arrangements for filling cracks or cavities in building constructions in hollow structures, e.g. cavity 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
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
- E04B1/644—Damp-proof courses
- E04B1/648—Damp-proof courses obtained by injection or infiltration of water-proofing agents into an existing 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
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
-
- 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
- E04B1/72—Pest control
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- Architecture (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a middle column protection structure of an ancient building wall and a construction method. The cooked tung oil can permeate into the wood column, so that the oil content of the wood column is increased, and a layer of airtight protective film is generated on the surface of the wood column, so that the wood column has the effects of moisture resistance, corrosion resistance and termite resistance, and has lasting effects of moisture resistance, corrosion resistance and termite resistance. The waterproof layer is arranged on the surface of the wall body, which is in contact with the cooked tung oil, and can prevent the cooked tung oil from penetrating into the wall body, so that the cooked tung oil can play an effective role in protecting the wood columns; the moisture in the wall body can be prevented from penetrating into the gaps, and then the moisture can be prevented from penetrating into the wood columns, so that the wood columns can be moistureproof.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a historic building wall middle column protection structure and a construction method.
Background
In ancient buildings, there is a wall center pillar structure, i.e., a wooden pillar is located in the wall entirely or partially, so as to play a role in bearing. Ancient buildings which underwent thousands of years of weather attack, the wooden pillars in the pillar structures in the walls of which can be damaged, such as damp rot and the like; in the middle column structure of the wall, the anti-corrosion, dampproof and ant-proof of the wood column part inside the wall cannot be effectively and radically cured, and the traditional anti-corrosion, dampproof and ant-proof work is implemented aiming at the wood column exposed outside the wall, so that the wood column exposed outside the wall is prevented from being rotten, but the anti-corrosion, dampproof and ant-proof work is ineffective for the wood column inside the wall. In the repair process of the ancient architecture, the method is particularly important for corrosion prevention, moisture prevention and termite prevention of the wood column in the wall body in the middle column structure of the wall, and thus the original style of the cultural architecture can be better protected.
Disclosure of Invention
The invention aims to provide a middle column protection structure of an ancient building wall and a construction method thereof, which are used for solving the defect that a wooden column in the existing ancient building wall cannot be effectively preserved, dampproof and termite-proof.
The invention provides a middle column protection structure of an ancient building wall, which comprises a wood column and a wall body, wherein the wood column is all positioned in the wall body, one surface of the wood column is exposed out of the wall body, or two surfaces of the wood column are exposed out of the wall body; and gaps are formed around the wood columns in the wall body, the gaps are filled with cooked tung oil, and a waterproof layer is arranged on the surface of the wall body, which is in contact with the cooked tung oil.
The invention also provides a construction method of the historic building wall middle column protection structure, which comprises the following steps:
(1) Dismantling the wall body around the wood column to expose the wood column;
(2) Repairing the bottom wall body, wherein the distance between the inner surface of the repaired bottom wall body and the wood column is 5.2-10.5cm, and the height of the repaired bottom wall body is 30-70cm;
(3) Adhering and fixing waterproof coiled materials on the inner surface of the repaired bottom wall body;
(4) Repairing the wall above the bottom wall, wherein the distance between the inner surface of the repaired wall and the wood column is 5.2-10.5cm, and the height of the repaired wall is 30-70cm;
(5) Coating waterproof paint on the inner surface of the wall body repaired in the step (4);
(6) Sequentially repeating the step (4) and the step (5) until the repair of the top wall body is completed;
(7) And filling the gaps around the wood columns with cooked tung oil.
Compared with the prior art, the invention has the advantages and positive effects that: the invention provides a middle column protection structure of an ancient building wall and a construction method. The cooked tung oil can permeate into the wood column, so that the oil content of the wood column is increased, and a layer of airtight protective film is generated on the surface of the wood column, so that the wood column has the effects of moisture resistance, corrosion resistance and termite resistance, and has lasting effects of moisture resistance, corrosion resistance and termite resistance. The waterproof layer is arranged on the surface of the wall body, which is in contact with the cooked tung oil, and can prevent the cooked tung oil from penetrating into the wall body on one hand, so that the cooked tung oil can be ensured to play an effective role in protecting the wood columns; on the other hand, the waterproof layer can prevent moisture in the wall from penetrating into the gaps, so that the moisture can be prevented from penetrating into the wood columns, and the wood columns can be prevented from being dampproof. In conclusion, the middle column protection structure of the ancient building wall can play an effective and durable role in dampproofing, corrosion prevention and termite prevention on the wood columns in the wall. The construction method of the historic building wall middle column protection structure is easy to operate, and can play an effective and durable role in preventing moisture, corrosion and termites for the wood columns in the wall.
Other features and advantages of the present invention will become apparent upon review of the detailed description of the invention in conjunction with the drawings.
Drawings
FIG. 1 is a schematic cross-sectional view of one embodiment of a pillar guard structure in an historic building wall according to the present invention;
FIG. 2 is a schematic cross-sectional view of a second embodiment of a pillar guard structure in an historic building wall according to the present invention;
FIG. 3 is a schematic cross-sectional view of a third embodiment of a pillar guard structure in an historic building wall according to the present invention;
fig. 4 is a schematic longitudinal section of an embodiment of the pillar guard structure in an historic building wall according to the present invention.
Detailed Description
The following detailed description of the invention is provided in detail, with the understanding that the embodiments described herein are merely illustrative and explanatory of the invention and are not intended to limit the invention.
The invention relates to a middle column protection structure of an ancient building wall, which comprises a wood column 10 and a wall body 20, wherein a gap 30 is formed around the wood column 10 positioned in the wall body 20, the gap 30 is filled with cooked tung oil, and a waterproof layer 40 is arranged on the surface of the wall body 20, which is in contact with the cooked tung oil.
In the post-in-post protection structure of the ancient building wall, the cooked tung oil can permeate into the wood post 10, so that the oil content of the wood post 10 is increased, and a layer of airtight protection film is generated on the surface of the wood post 10, so that the effects of moisture resistance, corrosion resistance and termite resistance can be achieved on the wood post 10, and the effects of moisture resistance, corrosion resistance and termite resistance are durable. The waterproof layer 40 is arranged on the surface of the wall body 20, which is in contact with the cooked tung oil, and the waterproof layer 40 can prevent the cooked tung oil from penetrating into the wall body on one hand, so that the cooked tung oil can play a durable and effective role in protecting the wood column 10; on the other hand, the waterproof layer 40 can prevent the moisture in the wall body 20 from penetrating into the gaps 30, and then can prevent the moisture from penetrating into the wood columns 10, thereby having a dampproof effect on the wood columns 10. In conclusion, the historic building middle column protection structure can play an effective and durable role in dampproofing, corrosion prevention and termite prevention on the wood columns 10 in the wall body 20.
The thickness of the waterproof layer 40 is 2-5mm.
The waterproof layer 40 is composed of a waterproof coiled material 41 and a waterproof coating 42 in sequence from bottom to top, and the height of the waterproof coiled material 41 is 30-70cm. The waterproof roll 41 is adhered and fixed on the inner side of the wall body 20, and the waterproof coating 42 is smeared on the inner side of the wall body 20 by waterproof coating.
The waterproof roll 41 is made of SBS (styrene-butadiene-styrene thermoplastic elastomer), PVC (polyvinyl chloride), EVA (ethylene-vinyl acetate copolymer), PE (polyethylene) or ECB (ethylene copolymer modified asphalt resin).
The material of the waterproof coating 42 is polyurethane waterproof paint, acrylic waterproof paint or asphalt.
As shown in fig. 4, which is a longitudinal section view of an embodiment of a pillar protecting structure in an ancient building wall, a waterproof roll 41 with a thickness of 2-5mm is laid at the bottoms of the wood pillars 10 and the gaps 30; the waterproof roll 41 separates the wood posts 10, the gaps 30 and the ground, and can prevent moisture on the ground from penetrating into the wood posts 10 and the gaps 30, thereby playing a role in preventing moisture and corrosion.
As shown in fig. 1, which is a cross-sectional view of an embodiment of a post protection structure in an ancient building wall, all the posts 10 are positioned inside the wall body 20, the cross-sectional shape of the gaps 30 around the posts 10 is a ring shape, the difference between the outer diameter and the inner diameter of the gaps 30 is 5-10cm, and the difference between the outer diameter and the inner diameter of the gaps 30 is 5-10cm, which corresponds to a of 5-10cm in fig. 1, so that the gaps 30 can be ensured to be filled with a sufficient amount of cooked tung oil, and further an effective and durable protection effect on the posts 10 can be ensured. The surface of the wall 20, which is in contact with the cooked tung oil, is provided with a waterproof layer 40, the thickness of the waterproof layer 40 is 2-5mm, and b in the figure 1 is 2-5mm. The minimum distance between the waterproof layer 40 and the outside of the wall body 20 is greater than 3cm, which corresponds to m being greater than 3cm in fig. 1, and the wall body with the thickness greater than 3cm has certain strength and supporting function, so that the cooked tung oil in the gap 30 can not seep out of the wall body, and meanwhile, the wall body can be prevented from being damaged easily from the outside, and further, the cooked tung oil in the gap 30 can be protected.
As shown in fig. 2, which is a cross-sectional view of a second embodiment of a post protection structure in an ancient building wall, one surface of a wood post 10 is exposed outside a wall body 20, a cross-sectional shape of a gap 30 around the wood post 10 inside the wall body 20 is a partial circular ring shape, a difference between an outer diameter and an inner diameter of the gap 30 is 5-10cm, and c in fig. 2 is 5-10cm, so that the gap 30 can be ensured to be filled with a sufficient amount of cooked tung oil, and an effective and durable protection effect on the wood post 10 can be ensured. The gaps 30 are filled with cooked tung oil, the surface of the wall body 20, which is in contact with the cooked tung oil, is provided with a waterproof layer 40, the thickness of the waterproof layer 40 is 2-5mm, and d in the figure 2 is 2-5mm. The minimum distance between the waterproof layer 40 and the outside of the wall body 20 is greater than 3cm, corresponding to n being greater than 3cm in fig. 2, the wall body with the thickness greater than 3cm has certain strength and supporting function, ensures that the cooked tung oil in the gap 30 cannot seep out of the wall body, and simultaneously ensures that the part of the wall body cannot be easily damaged from the outside, thereby protecting the cooked tung oil in the gap 30.
As shown in fig. 3, which is a cross-sectional view of a third embodiment of a post protection structure in an ancient building wall, two surfaces of a wood post 10 are exposed outside a wall body 20, a cross-sectional shape of a gap 30 around the wood post 10 inside the wall body 20 is in two symmetrical circular arcs, the size of the gap 30 is 5-10cm, and e in fig. 3 is 5-10cm, so that the gap 30 can be ensured to be filled with a sufficient amount of cooked tung oil, and an effective and durable protection effect on the wood post 10 can be ensured. The gaps 30 are filled with cooked tung oil, the surface of the wall body 20, which is in contact with the cooked tung oil, is provided with a waterproof layer 40, the thickness of the waterproof layer 40 is 2-5mm, and the thickness corresponds to f of 2-5mm in fig. 3. The minimum distance between the waterproof layer 40 and the outside of the wall body 20 is greater than 3cm, corresponding to t being greater than 3cm in fig. 3, the wall body with the thickness greater than 3cm has certain strength and supporting function, ensures that the cooked tung oil in the gap 30 cannot seep out of the wall body, and simultaneously ensures that the part of the wall body cannot be easily damaged from the outside, and further can play a role in protecting the cooked tung oil in the gap 30.
In the invention, the cross section of the gap 30 is in a symmetrical pattern, such as a circular ring shape, a partial circular ring shape or other shapes, so that the cooked tung oil in the gap 30 can be uniformly and symmetrically distributed around the wood post 10, on one hand, the wood post 10 can uniformly absorb the cooked tung oil to play an optimal protection role, and on the other hand, the wood post 10 can be uniformly stressed to avoid damage to the wood post 10.
The construction method of the historic building wall center pillar protection structure is easy to operate, can play an effective and durable role in preventing moisture, corrosion and termites for the wood pillars in the wall, and comprises the following steps:
(1) Removing the wall around the wood post 10 to expose the wood post 10;
(2) Repairing the bottom wall body, wherein the distance between the inner surface of the repaired bottom wall body and the wood column 10 is 5.2-10.5cm, and the height of the repaired bottom wall body is 30-70cm;
(3) Adhering and fixing a waterproof coiled material 41 on the inner surface of the repaired bottom wall body;
(4) Repairing the wall above the bottom wall, wherein the distance between the inner surface of the repaired wall and the wood column is 5.2-10.5cm, and the height of the repaired wall is 30-70cm;
(5) Coating waterproof paint 42 on the inner surface of the wall body repaired in the step (4);
(6) Sequentially repeating the step (4) and the step (5) until the repair of the top wall body is completed;
(7) The gaps 30 around the wood columns 10 are filled with cooked tung oil.
Step (1) further comprises: the waterproof coiled material 41 is paved on the ground at the bottom of the wood column 10 to perform waterproof treatment on the bottom of the wood column 10, so that the moisture at the bottom surface is prevented from penetrating into the wood column 10, and the effects of dampproofing and corrosion prevention can be achieved. The waterproof roll 41 is round, the diameter is 5.2-10.5cm larger than the diameter of the wood column 10, the thickness of the waterproof roll 41 is 2-5mm, and the waterproof roll 41 is made of SBS (styrene-butadiene-styrene thermoplastic elastomer), PVC (polyvinyl chloride), EVA (ethylene-vinyl acetate copolymer), PE (polyethylene) or ECB (ethylene copolymer modified asphalt resin). In specific operation, the wooden column 10 is fixed and overhead by using the steel pipe frame, soil at the bottom of the wooden column 10 is drawn out, a certain gap is reserved between the wooden column 10 and the ground, and then the waterproof coiled material 41 is paved in the gap.
Step (1) further comprises: the wood column 10 is inspected, if the wood column 10 has a rotting part, the rotting part is cut off, the same wood is fixedly connected to the wood column to replace the cut-off rotting part, and then the wood column 10 is reset and placed on the waterproof coiled material 41, and the foundation treatment of the bottom of the wood column 10 is firm. The manner of fixedly connecting the same wood to the wood post is a connection manner common in the art, for example, the same wood and the wood post can be fixedly connected together by steel nails, and the method is not particularly limited.
In the step (2), cement mortar and/or raw materials with the same material as the wall are used for repairing the wall.
Referring to FIG. 1, which is a cross-sectional view of one embodiment of a pillar guard structure in an historic building wall, the wood pillar 10 is entirely located inside the wall body 20; repairing the damaged wall around the wood column 10, and coating cement mortar on the inner side of the damaged wall, so that the gap between the surface of the cement mortar and the surface of the wood column 10 is annular, wherein the difference between the outer diameter and the inner diameter of the annular is the distance between the inner surface of the repaired bottom wall and the wood column 10, and the distance corresponds to the sum of a and b in the figure 1 and is 5.2-10.5cm; the cement mortar surface is subjected to waterproof treatment in the gap, and the space left after the waterproof treatment is finished is the gap 30.
Referring to fig. 2, which is a cross-sectional view of a second embodiment of a pillar guard structure in an ancient building wall, one face of a wood pillar 10 is exposed outside a wall body 20; repairing the damaged wall body around the wood column 10, and coating cement mortar on the inner side of the damaged wall body, so that the gap between the surface of the cement mortar and the surface of the wood column 10 is in a partial circular shape; and then plugging and repairing the two ends of the gap by using cement mortar and/or raw materials which are the same as the wall body, wherein the thickness of the repairing wall at the two ends of the gap is equal to and greater than 3cm, and the thickness corresponds to n in fig. 2. The gap between the surface of the cement mortar and the surface of the wood column 10 is a partial circular ring shape, and the difference between the outer diameter and the inner diameter of the circular ring shape is the distance between the inner surface of the repaired bottom wall body and the wood column 10, which corresponds to the sum of c and d in fig. 2, and is about 5.2 cm to 10.5cm; the cement mortar surface is subjected to waterproof treatment in the gap, and the space left after the waterproof treatment is finished is the gap 30.
As shown in fig. 3, which is a cross-sectional view of a third embodiment of a pillar guard structure in an ancient building wall, two sides of a wood pillar 10 are exposed outside a wall body 20; repairing the damaged wall body around the wood column 10, and coating cement mortar on the inner side of the damaged wall body, so that the gap between the surface of the cement mortar and the surface of the wood column 10 is in two symmetrical circular arcs; and then plugging and repairing the two gap ends by using cement mortar and/or raw materials which are the same as the wall body, wherein the thickness of the repairing wall at the two ends of the left gap is equal to that of the repairing wall at the two ends of the right gap and is larger than 3cm, and the thickness corresponds to t in fig. 3. The gap between the surface of the cement mortar and the surface of the wood column 10 is in the shape of two symmetrical circular arcs, the difference between the outer diameter and the inner diameter of the circular arcs is the distance between the inner surface of the repaired bottom wall and the wood column 10, and the distance corresponds to the sum of e and f in the figure 3 and is about 5.2 cm to 10.5cm; the cement mortar surface is subjected to waterproof treatment in the gap, and the space left after the waterproof treatment is finished is the gap 30.
In the step (3), a waterproof coiled material 41 is stuck and fixed on the surface of the cement mortar of the repaired bottom wall, the thickness of the waterproof coiled material 41 is 2-5mm, and the waterproof coiled material is made of SBS (styrene-butadiene-styrene thermoplastic elastomer), PVC (polyvinyl chloride), EVA (ethylene-vinyl acetate copolymer), PE (polyethylene) or ECB (ethylene copolymer modified asphalt resin). In the present invention, the method for adhering and fixing the waterproof roll 41 is as follows: firstly, a flame gun is used for treating the bottom surface of the waterproof coiled material 41, so that the bottom of the waterproof coiled material 41 is melted and softened, the bottom of the waterproof coiled material 41 is paved on the surface of the air-dried cement mortar, and then the surface of the waterproof coiled material 41 is beaten, so that the waterproof coiled material 41 can be adhered and fixed on the surface of the cement mortar.
In the step (4), the wall above the bottom wall is continuously repaired, and the concrete repairing process is the same as that in the step (2).
In the step (5), a waterproof coating 42 is coated on the surface of the cement mortar of the wall body repaired in the step (4), wherein the waterproof coating 42 is polyurethane waterproof coating, acrylic waterproof coating or asphalt, and the thickness of the waterproof coating is 2-5mm. The waterproof paint can be selected according to the use requirement, for example, some ancient architecture repair requirements remain primitive, modern materials cannot be used, asphalt can be selected for waterproofing, some ancient architecture has no such strict requirement, and polyurethane waterproof paint or acrylic waterproof paint can be used for waterproofing, so that the method is not particularly limited.
In step (7), the gaps 30 around the wood columns 10 are filled with the cooked tung oil, and after a period of time, part of the cooked tung oil permeates into the wood columns 10, so that the liquid level of the cooked tung oil in the gaps 30 is lowered, and the filling of the gaps 30 with the cooked tung oil should be continued until the gaps 30 are filled with the cooked tung oil.
In the present invention, the repair and waterproof treatment of the wall 20 are performed in sections, instead of repairing all the broken wall 20 with cement mortar, and then performing the waterproof treatment on the surface of the cement mortar. This is because the gap between the repaired wall and the wooden pole 10 is very small, within 5.2-10.5cm, it is very difficult to waterproof the surface of the cement mortar in such a small gap, and the wall has a certain height, and the operations of inserting the hands and tools of the constructor from the top of the wall to the bottom of the gap cannot be realized. Therefore, the invention repairs the bottom wall body first, the height of the repaired bottom wall body is 30-70cm, and the distance between the inner surface of the repaired bottom wall body and the wood column 10 is 5.2-10.5cm; at the moment, a larger space is arranged above the wall body, and the waterproof treatment of the inside of the repaired bottom wall body can be realized; after the bottom wall is waterproof, cement mortar is used for repairing the wall, the height of the repaired wall is 30-70cm, and then waterproof treatment is carried out on the repaired wall; after the waterproofing is finished, repeating the steps until all the walls are repaired well and the waterproofing treatment is finished.
In view of cost, the waterproof layer 40 of the invention is not composed of the waterproof coiled material 41, but the waterproof coiled material 41 and the waterproof coating 42 are sequentially arranged from bottom to top, the waterproof coiled material 41 is positioned at the bottom of the wood column 10 and is close to the ground, the ground has high humidity and more water, so the waterproof coiled material 41 is selected for waterproof treatment, and the waterproof effect can be ensured; waterproof coating 42 is adopted above waterproof coiled material 41 to waterproof, so that waterproof purpose can be achieved, and cost can be reduced.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. The utility model provides a post protective structure in ancient building wall, includes wood post and wall body, the whole inside that is located of wood post, or one face of wood post exposes outside the wall body, or two faces of wood post expose outside the wall body; it is characterized in that the method comprises the steps of,
gaps are formed around the wood columns in the wall body, the gaps are filled with cooked tung oil, and a waterproof layer is arranged on the surface of the wall body, which is in contact with the cooked tung oil;
the construction method of the historic building wall middle column protection structure comprises the following steps:
(1) Dismantling the wall body around the wood column to expose the wood column;
(2) Repairing the bottom wall body, wherein the distance between the inner surface of the repaired bottom wall body and the wood column is 5.2-10.5cm, and the height of the repaired bottom wall body is 30-70cm;
(3) Adhering and fixing waterproof coiled materials on the inner surface of the repaired bottom wall body;
(4) Repairing the wall above the bottom wall, wherein the distance between the inner surface of the repaired bottom wall and the wood column is 5.2-10.5cm, and the height of the repaired wall is 30-70cm;
(5) Coating waterproof paint on the inner surface of the wall body repaired in the step (4);
(6) Sequentially repeating the step (4) and the step (5) until the repair of the top wall body is completed;
(7) Filling the gaps around the wood columns with cooked tung oil;
the step (1) further comprises: fixing the wood column with a steel pipe frame, drawing out soil at the bottom of the wood column, so that a gap is formed between the wood column and the ground, and laying waterproof coiled materials in the gap; the waterproof coiled material is round, the diameter of the waterproof coiled material is 5.2-10.5cm larger than that of the wood column, and the thickness of the waterproof coiled material is 2-5mm;
the step (3) further comprises: firstly, a fire gun is used for treating the bottom surface of the waterproof coiled material, so that the bottom of the waterproof coiled material is melted and softened, the bottom of the waterproof coiled material is paved on the surface of the air-dried cement mortar, and then the surface of the waterproof coiled material is beaten, so that the waterproof coiled material can be adhered and fixed on the surface of the cement mortar.
2. The historic building middle column protection structure of claim 1, wherein,
the thickness of the waterproof layer is 2-5mm.
3. The historic building middle column protection structure of claim 1, wherein,
the waterproof layer is a waterproof coiled material and a waterproof coating from bottom to top in sequence, and the height of the waterproof coiled material is 30-70cm.
4. The historic building middle column protection structure of claim 3, wherein,
the waterproof coiled material is SBS, PVC, EVA, PE or ECB,
the waterproof coating is made of polyurethane waterproof coating, acrylic waterproof coating or asphalt.
5. The historic building middle column protection structure of claim 1, wherein,
waterproof coiled materials are paved at the bottoms of the wood posts and the gaps.
6. The method for constructing the protection structure of the middle column of the historic building wall according to claim 1, wherein,
the step (1) further comprises: checking the wood column, if the wood column has a rotting part, cutting off the rotting part, and connecting the same wood on the wood column to replace the cut-off rotting part.
7. The method for constructing the protection structure of the middle column of the historic building wall according to claim 1, wherein,
and repairing the wall body by using cement mortar and/or raw materials with the same material as the wall body.
8. The method for constructing the protection structure of the middle column of the historic building wall according to claim 1, wherein,
the waterproof coiled material is SBS, PVC, EVA, PE or ECB, and the thickness of the waterproof coiled material is 2-5mm.
9. The method for constructing the protection structure of the middle column of the historic building wall according to claim 1, wherein,
the waterproof coating is polyurethane waterproof coating, acrylic acid waterproof coating or asphalt, and the thickness of the waterproof coating is 2-5mm.
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| CN114319609A (en) * | 2021-12-28 | 2022-04-12 | 上海建为历保科技股份有限公司 | Moisture-proof structure and method for ancient folk house wall |
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