CN117779967A - Waterproof construction method for bolt hole special for outer wall aluminum alloy template - Google Patents
Waterproof construction method for bolt hole special for outer wall aluminum alloy template Download PDFInfo
- Publication number
- CN117779967A CN117779967A CN202410006114.0A CN202410006114A CN117779967A CN 117779967 A CN117779967 A CN 117779967A CN 202410006114 A CN202410006114 A CN 202410006114A CN 117779967 A CN117779967 A CN 117779967A
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- Prior art keywords
- waterproof
- bolt hole
- wall
- concrete
- aluminum alloy
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 21
- 239000004744 fabric Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000002425 crystallisation Methods 0.000 claims abstract description 16
- 230000008025 crystallization Effects 0.000 claims abstract description 16
- 229920001971 elastomer Polymers 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000009736 wetting Methods 0.000 claims description 5
- 239000010426 asphalt Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 2
- 229920005830 Polyurethane Foam Polymers 0.000 claims 2
- 239000011496 polyurethane foam Substances 0.000 claims 2
- 238000005187 foaming Methods 0.000 abstract description 15
- 229920002635 polyurethane Polymers 0.000 abstract description 14
- 239000004814 polyurethane Substances 0.000 abstract description 14
- 238000004321 preservation Methods 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 19
- 239000003973 paint Substances 0.000 description 5
- 239000013543 active substance Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Abstract
The invention relates to a waterproof construction method of a special bolt hole of an aluminum alloy template of an outer wall, which relates to the technical field of building construction, and comprises the steps of filling polyurethane foaming materials into the bolt hole for heat preservation, filling high-strength waterproof concrete into the residual part to be filled in the bolt hole, guaranteeing the supporting strength, reducing water seepage, using a rubber plug to block the opening of the bolt hole until the high-strength waterproof concrete is solidified, taking out the rubber plug, filling waterproof mortar in the position, close to the surface of the outer wall, in the bolt hole, and trowelling the waterproof mortar, wherein the risk of leakage in the bolt hole is reduced by a three-layer structure; the three-layer structure of the permeable crystallization layer, the TS waterproof cloth and the outer waterproof coating is sequentially arranged at the opening position of the bolt hole on the outer surface of the outer wall body, so that the waterproof requirement of the outer wall body of the concrete is further met, the waterproof quality of the outer wall body is guaranteed through combination of various processes, and the maintenance amount caused by leakage in the later period is reduced.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a waterproof construction method of a bolt hole special for an aluminum alloy template of an outer wall.
Background
In construction of an outer wall, the split bolts are required to be arranged in the middle of the aluminum alloy templates on the inner side and the outer side of the outer wall to fix the shear wall templates, the split bolts are arranged to fix the aluminum alloy templates and pour the outer wall body, after the outer wall templates are removed, the maximum diameter of the reserved holes of the split bolts on the outer wall body can reach 3CM, the split bolt holes of the outer wall are water leakage hidden danger points, and the plugging of the split bolt holes is extremely important.
At present, the outer wall bolt hole shutoff generally adopts middle waterproof mortar that fills, and the rubber stopper is used at both ends to shutoff, and this kind of shutoff mode is at the inside seepage that takes place of bolt hole easily, and it is to the bolt hole open position to spread simultaneously, and the water-proof effects is poor, can't satisfy the waterproof demand of concrete outer wall.
Disclosure of Invention
In order to overcome the defects in the background technology, the invention provides a waterproof construction method of a bolt hole special for an aluminum alloy template of an outer wall.
The invention provides a waterproof construction method of a special bolt hole for an aluminum alloy template of an outer wall, which adopts the following technical scheme:
a waterproof construction method of a bolt hole special for an aluminum alloy template of an outer wall comprises the following steps:
s1, cleaning dust and impurities on the surface of an outer wall body at the opening position of a bolt hole and in the bolt hole;
s2, wetting the part to be filled in the bolt hole with a little water, and filling polyurethane foaming material into the bolt hole by using a glue gun until the polyurethane is foamed and solidified; the polyurethane foaming material is a high molecular polymer, and the hard foam has good waterproof performance and heat conduction performance;
s3, pouring high-strength waterproof concrete into the residual part to be filled in the bolt hole, and sealing the opening of the bolt hole by using a rubber plug until the high-strength waterproof concrete is solidified;
s4, taking out the rubber plug, and filling 1:1 waterproof mortar in the position, close to the surface of the outer wall, inside the bolt hole and trowelling; coating waterproof mortar to form a firm waterproof mortar layer, so as to prevent water from exuding;
s5, brushing a permeable crystallization layer at the opening position of the bolt hole on the surface of the outer wall; the permeable crystallization layer is combined with the undried waterproof mortar after being coated and brushed, and simultaneously has the function of automatically repairing the defects such as microcracks and the like;
s6, sticking TS waterproof cloth on the outer side of the permeable crystallization layer, and hammering the edge of the TS waterproof cloth by using a rubber hammer to firmly adhere the TS waterproof cloth;
and S7, coating an outer waterproof coating with the thickness of 1-2mm on the outer side of the waterproof cloth, wherein the outer waterproof coating covers 10cm around the bolt hole.
Preferably, in step S3, the high-strength waterproof concrete is waterproof concrete added with 10% of efficient composite waterproof agent and 15% of expansion agent, and compared with waterproof mortar, the waterproof concrete can provide great compression bearing capacity by itself only because of being matched with stones, and meanwhile, the high-strength waterproof concrete has better stability and cheaper price.
Preferably, in step S7, the outer waterproof coating material is an organic silicone rubber waterproof coating material or non-cured asphalt.
In summary, the invention has the following beneficial technical effects: the polyurethane foaming material is filled in the bolt hole for heat insulation, waterproof concrete is filled in the rest part to be filled in the bolt hole to ensure the supporting strength, meanwhile, water seepage is reduced, waterproof mortar is filled in the position, close to the surface of the outer wall, in the bolt hole, and the risk of leakage in the bolt hole is reduced due to the three-layer structure; the bolt hole opening position sets gradually infiltration crystallization layer, TS waterproof cloth, outer waterproof coating three layer construction, further satisfies the waterproof demand of concrete outer wall body, and multiple technology combines the waterproof quality of assurance outer wall body, satisfies the waterproof demand of concrete outer wall, reduces the maintenance volume that causes because of the seepage in later stage.
Drawings
FIG. 1 is a cross-sectional view of a plugged bolt hole according to example 1 of the present invention;
FIG. 2 is a schematic cross-sectional view of step S3 of embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view of a plugged bolt hole according to example 2 of the present invention.
Reference numerals illustrate: 1. an outer wall; 2. bolt holes; 3. polyurethane foaming material; 4. high-strength waterproof concrete; 5. a rubber stopper; 6. waterproof mortar; 7. penetrating the crystalline layer; 8. TS waterproof cloth; 9. an outer layer waterproof coating; 10. water-swelling water stop strip.
Detailed Description
The invention is described in further detail below with reference to fig. 1-3.
The embodiment 1 of the invention discloses a waterproof construction method of a special bolt hole for an aluminum alloy template of an outer wall.
Referring to fig. 1 and 2, a waterproof construction method of a bolt hole special for an aluminum alloy template of an outer wall comprises the following steps:
s1, cleaning dust and impurities on the surface of an outer wall body 1 at the opening position of a bolt hole 2 and in the bolt hole 2;
s2, wetting the part to be filled in the bolt hole 2 with a little water, and filling the polyurethane foaming material 3 into the bolt hole 2 by using a glue gun until the polyurethane foaming material 3 is foamed and solidified; the polyurethane foaming material 3 after foaming and curing accounts for about one half of the positions to be filled in the bolt holes 2, the polyurethane foaming material 3 is a high molecular polymer, and the hard foam has good waterproof performance and heat conducting performance and is commonly used for external wall heat preservation.
S3, pouring high-strength waterproof concrete 4 into the residual part to be filled in the bolt hole 2, and sealing the opening of the bolt hole 2 by using a rubber plug 5 until the high-strength waterproof concrete 4 is solidified;
s4, taking out the rubber plug 5, and filling 1:1 waterproof mortar 6 in the position, close to the surface of the outer wall body 1, inside the bolt hole 2 and trowelling; coating waterproof mortar 6 to form a firm waterproof mortar layer for preventing water from exuding, wherein the waterproof mortar 6 is commonly used for treating building walls and floors and waterproof layers of underground engineering;
s5, coating a penetration crystallization layer 7 on the opening position of the bolt hole 2 on the surface of the outer wall body 1; the permeable crystallization layer 7 is a waterproof coating layer which contains active substances, is combined with undried waterproof mortar after being coated, the active substances are dissolved in water and are dispersed in the waterproof mortar along with the water, the water content is reduced along with the time increase, the active substances undergo polycondensation crystallization, and meanwhile, the active substances in the closed space can undergo secondary crystallization at a notch after meeting water, so that the permeable crystallization coating has the function of automatically repairing the defects such as microcracks and the like;
s6, sticking TS waterproof cloth 8 on the outer side of the permeable crystallization layer 7, and hammering the edge of the TS waterproof cloth 8 by using a rubber hammer to firmly adhere;
s7, coating an outer waterproof coating 9 with the thickness of 1-2mm on the outer side of the waterproof cloth, wherein the outer waterproof coating 9 covers 20cm around the bolt hole 2; the waterproof paint is one kind of viscous liquid polymer material with no fixed shape at normal temperature, and is painted to the outer side of waterproof cloth to form waterproof film after water evaporation or reaction solidification.
Referring to fig. 2, in step S3, the high-strength waterproof concrete 4 is a waterproof concrete added with 10% of the high-efficiency composite waterproof agent and 15% of the expansion agent. Compared with waterproof mortar, the waterproof concrete can provide great compression bearing capacity by itself due to the addition of stones, and meanwhile, the waterproof mortar has better stability and cheaper price.
Referring to fig. 2, in step S7, the outer waterproof paint 9 is a silicone rubber waterproof paint or uncured asphalt.
The implementation principle of the embodiment 1 of the invention is as follows: the polyurethane foaming material 3 is filled in the bolt hole 2 for heat preservation, the rest part to be filled is filled with high-strength waterproof concrete 4, namely, the waterproof concrete reduces water seepage while guaranteeing the supporting strength, waterproof mortar 6 is filled in the position, close to the surface of the outer wall 1, in the bolt hole 2, and the three-layer structure prevents water seepage; the positions of the openings of the bolt holes 2 are sequentially provided with a three-layer structure of a permeable crystallization layer 7, TS waterproof cloth 8 and an outer waterproof coating 9, so that the waterproof requirement of the concrete outer wall 1 is further met, the waterproof quality of the outer wall 1 is guaranteed through combination of various processes, and the waterproof grade is guaranteed to be P8 or above; after the waterproof construction of the outer wall bolt holes is finished, plastering is directly carried out on the inner side of the outer wall.
The embodiment 2 of the invention discloses a waterproof construction method for a bolt hole special for an aluminum alloy template of an outer wall.
Referring to fig. 3, a waterproof construction method of a bolt hole special for an aluminum alloy template of an outer wall comprises the following steps:
s1, cleaning dust and impurities on the surface of an outer wall body 1 at the opening position of a bolt hole 2 and in the bolt hole 2;
s2, wetting the part to be filled in the bolt hole 2 with a little water, and filling the polyurethane foaming material 3 into the bolt hole 2 by using a glue gun until the polyurethane foaming material 3 is foamed and solidified; the polyurethane foaming material 3 after foaming and curing occupies about one half of the part to be filled in the bolt hole 2; s3, wetting the residual part to be filled in the bolt hole 2 by moisture, plugging the water-swelling water stop strip 10 into the residual part to be filled in the bolt hole 2, and sealing the opening of the bolt hole 2 by using the rubber plug 5 until the water-swelling water stop strip 10 reaches the swelling limit;
s4, taking out the rubber plug 5, and filling 1:1 waterproof mortar 6 in the position, close to the surface of the outer wall body 1, inside the bolt hole 2 and trowelling; s5, coating a penetration crystallization layer 7 on the opening position of the bolt hole 2 on the surface of the outer wall body 1; s6, sticking TS waterproof cloth 8 on the outer side of the permeable crystallization layer 7, and hammering the edge of the TS waterproof cloth 8 by using a rubber hammer to firmly adhere; and S7, coating an outer waterproof coating 9 with the thickness of 1-2mm on the outer side of the waterproof cloth, wherein the outer waterproof coating 9 covers 20cm around the bolt hole 2.
Referring to fig. 3, in step S7, the outer waterproof paint 9 is a silicone rubber waterproof paint or uncured asphalt.
On the basis of the invention embodiment 1, the water-swelling water stop strip 10 is plugged into the residual part to be filled in the bolt hole 2, the water-swelling water stop strip 10 swells and deforms when meeting water and fills all irregular gaps in the bolt hole 2, so that huge contact pressure is generated, and meanwhile, the water-swelling water stop strip also has certain strength, and compared with the high-strength waterproof concrete 4 in the embodiment 1, the water-swelling water stop strip can more thoroughly prevent water seepage and reduce the risk of leakage in the bolt hole 2.
The above embodiments are not intended to limit the scope of the present invention, so: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (3)
1. The waterproof construction method of the bolt hole special for the aluminum alloy template of the outer wall is characterized by comprising the following steps of:
s1, cleaning dust and impurities on the surface of an outer wall body (1) at the opening position of a bolt hole (2) and in the bolt hole (2);
s2, wetting a part to be filled in the bolt hole (2) with a little water, and filling the polyurethane foam material (3) into the bolt hole (2) by using a glue gun until the polyurethane foam material (3) is foamed and solidified;
s3, pouring high-strength waterproof concrete (4) into the residual part to be filled in the bolt hole (2), and sealing the opening of the bolt hole (2) by using a rubber plug (5) until the high-strength waterproof concrete (4) is solidified;
s4, taking out the rubber plug (5), filling 1:1 waterproof mortar (6) in the position, close to the surface of the outer wall body (1), inside the bolt hole (2), and trowelling;
s5, brushing a penetration crystallization layer (7) at the opening position of the bolt hole (2) on the surface of the outer wall body (1);
s6, sticking TS waterproof cloth (8) on the outer side of the permeable crystallization layer (7), and hammering the edge of the TS waterproof cloth (8) by using a rubber hammer to firmly adhere;
and S7, coating an outer waterproof coating (9) with the thickness of 1-2mm on the outer side of the waterproof cloth, wherein the outer waterproof coating (9) covers 20cm around the bolt hole (2).
2. The waterproof construction method for the bolt hole special for the aluminum alloy template of the outer wall, which is disclosed in claim 1, is characterized in that: in the step S3, the high-strength waterproof concrete (4) adopts waterproof concrete added with 10% of high-efficiency composite waterproof agent and 15% of expansion agent.
3. The waterproof construction method for the bolt hole special for the aluminum alloy template of the outer wall, which is disclosed in claim 1, is characterized in that: in step S7, the outer waterproof coating (9) is an organic silicone rubber waterproof coating or non-cured asphalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410006114.0A CN117779967A (en) | 2024-01-03 | 2024-01-03 | Waterproof construction method for bolt hole special for outer wall aluminum alloy template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410006114.0A CN117779967A (en) | 2024-01-03 | 2024-01-03 | Waterproof construction method for bolt hole special for outer wall aluminum alloy template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117779967A true CN117779967A (en) | 2024-03-29 |
Family
ID=90400256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410006114.0A Pending CN117779967A (en) | 2024-01-03 | 2024-01-03 | Waterproof construction method for bolt hole special for outer wall aluminum alloy template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117779967A (en) |
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2024
- 2024-01-03 CN CN202410006114.0A patent/CN117779967A/en active Pending
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