CN210857281U - Lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure - Google Patents
Lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure Download PDFInfo
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- CN210857281U CN210857281U CN201921859764.0U CN201921859764U CN210857281U CN 210857281 U CN210857281 U CN 210857281U CN 201921859764 U CN201921859764 U CN 201921859764U CN 210857281 U CN210857281 U CN 210857281U
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- layer
- reinforcing
- polyurea waterproof
- polyurea
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- 229920002396 Polyurea Polymers 0.000 title claims abstract description 79
- 239000011248 coating agent Substances 0.000 title claims abstract description 25
- 238000000576 coating method Methods 0.000 title claims abstract description 25
- 239000010410 layer Substances 0.000 claims abstract description 101
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 57
- 239000002346 layers by function Substances 0.000 claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 21
- 238000005507 spraying Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004992 fission Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a lake bottom tunnel deformation joint, male and female angle department polyurea waterproof coating structure, which comprises a reinforcing body, wherein the reinforcing body comprises a reinforcing main board and a fixed reinforcing net arranged at the top of the reinforcing main board, the bottom of the fixed reinforcing net is provided with a fixed bulge, and the fixed bulge is of a porous structure; the fixing reinforcing net is embedded in the functional layer; the reinforced main board is fixedly connected with the processing surface. The utility model discloses a setting up of reinforcement body has improved the joint strength of monolithic coating structure, has reduced the stress cracking's of polyurea waterproof layer problem through the fixed bellied setting of porous.
Description
Technical Field
The utility model belongs to the technical field of tunnel waterproof construction, concretely relates to lake bottom tunnel movement joint, negative and positive angle department polyurea waterproof coating structure.
Background
The polyurea waterproof coating is a novel material introduced into China only in recent years, has excellent physical and chemical performance indexes, convenient construction process, integrity and environmental protection of a waterproof and anticorrosion system which cannot be achieved by any other traditional protective material and technology, and can be widely applied to industrial anticorrosion and waterproofing of high-speed railway bridges and subways once introduced. In the construction of the lake bottom tunnel, the polyurea coating is used for waterproofing, however, the polyurea waterproofing layer has the problems of low strength and easy hollowing during the construction process. Although the above problems occur, the technology for waterproofing the lake-bottom tunnel by applying the polyurea coating is not mature, and the solution for solving the above problems is not provided at present in the long-term of technology accumulation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lake bottom tunnel movement joint, negative and positive angle department polyurea waterproof coating structure, the utility model discloses a setting up of strengthening the body has improved the joint strength of monolithic structure, has reduced the stress cracking's of polyurea waterproof layer problem through the fixed bellied setting of porous.
The utility model discloses mainly realize through following technical scheme: a lake bottom tunnel deformation joint and polyurea waterproof coating structure at a male corner and a female corner comprises a reinforcing body, wherein the reinforcing body comprises a reinforcing main board and a fixed reinforcing net arranged at the top of the reinforcing main board, the bottom of the fixed reinforcing net is provided with a fixed bulge, and the fixed bulge is of a porous structure; the fixing reinforcing net is embedded in the functional layer; the reinforced main board is fixedly connected with the processing surface.
The utility model discloses in the use, be provided with the reinforcing plate at the fixed periphery of movement joint or negative and positive angle department to fix the reinforcing mesh setting and treating construction position department. In the use process, the reinforcing plate can be fixed firstly, and then a polyurea layer is sprayed between the construction surface and the fixed reinforcing net; or spraying the initial layer of the polyurea layer, fixing the reinforcing plate, and continuously spraying the reinforcing layer of the polyurea layer; or after spraying the polyurea layer, fixing the reinforcing body on the polyurea layer; and finally, coating a functional layer on the fixed reinforcing mesh.
The reinforced main board and the construction surface can be fixedly connected through screws, the reinforced main board and the fixed reinforced net can be connected in a welding or integrated mode, and the connection mode is the prior art, so that the details are not repeated.
For better realization the utility model discloses, it is further, the bottom of polyurea waterproof layer is provided with the leveling layer, the leveling layer is mortar leveling layer or resin leveling layer. In the work progress, the concrete face of construction often has defects such as more honeycomb, pitted surface, handles honeycomb and great unevenness through the leveling layer, has reduced the condition such as trompil, fission on polyurea layer, has improved whole waterproof coating's the quality of laying, has improved life.
For better realization the utility model discloses, it is further, the bottom of polyurea waterproof layer is provided with the polymer division bar. When great gap appears in the construction face, can fill the gap through the polymer division bar, especially to the construction of movement joint, to structure movement joint department enhancement layer, after executing to make the movement joint sealed glue, set up the polymer division bar between two parties along the seam earlier, then the spraying polyurea waterproof layer makes and keeps apart between polyurea waterproof layer and the concrete foundation bed face to polyurea waterproof layer atress is destroyed when preventing that structural deformation, inhomogeneous settlement. The polymeric barrier strip may be made of PE material.
For better realization the utility model discloses, it is further, the polyurea waterproof layer includes from supreme initial layer and the enhancement layer that sets gradually down, the gross thickness of polyurea waterproof layer is 1.5mm, the height of initial layer is 0.9mm, and the thickness of enhancement layer is 0.6 mm. In the construction process, the polyurea waterproof layer can be sprayed by adopting H-XP3 type polyurea special spraying equipment, and practices prove that the secondary spraying method is favorable for reducing common quality problems of needle holes, empty drums, hanging flow and the like of the polyurea waterproof layer. Firstly, spraying polyurea for the first time according to the overall requirement, namely spraying a primary layer, wherein the thickness of the primary layer is 0.9 mm; and then after the polyurea is cured to form a film with certain strength, spraying the polyurea for the second time after about 10min after the polyurea is applied, namely spraying the reinforcing layer, wherein the thickness of the reinforcing layer is 0.6mm, and the total thickness of the polyurea layer is 1.5 mm. Practice proves that the surface of the sprayed polyurea layer has no pinholes or hollows, the physical property is good, and the service life is relatively long.
In order to realize the utility model discloses, it is further, the functional layer is concrete protection agent finish paint layer.
In order to better realize the utility model, furthermore, the outside coating of reinforcing body has the anticorrosive coating.
The utility model has the advantages that:
(1) the utility model discloses a setting up of reinforcement body has improved the joint strength of monolithic coating structure, has reduced the stress cracking's of polyurea waterproof layer problem through the fixed bellied setting of porous.
(2) The concrete face of construction often has defects such as more honeycomb, pitted surface, handles honeycomb and great unevenness through the leveling layer, has reduced the condition such as trompil, fission on polyurea layer, has improved whole waterproof coating's the quality of laying, has improved life.
(3) To the construction of movement joint, to structure movement joint department enhancement layer, after executing to make the movement joint sealed glue, set up the polymer division bar between two parties along the seam earlier, then the spraying polyurea waterproof layer makes and keeps apart between polyurea waterproof layer and the concrete foundation bed face to polyurea waterproof layer atress is destroyed when structure deformation, inhomogeneous settlement is prevented.
Drawings
FIG. 1 is a schematic construction diagram of a deformation joint;
FIG. 2 is a schematic view of a construction structure of a male and female corner;
FIG. 3 is a schematic view of the rib;
fig. 4 is a schematic structural diagram of the present invention.
Wherein: 1-reinforcing body, 2-fixed reinforcing net, 3-reinforced main board, 4-fixed bulge, 5-polyurea waterproof layer, 6-functional layer, 7-macromolecule isolating strip and 8-leveling layer.
Detailed Description
Example 1:
a lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure comprises a reinforcing body 1, as shown in figures 3 and 4, the reinforcing body 1 comprises a reinforcing main board 3 and a fixed reinforcing net 2 arranged on the top of the reinforcing main board 3, a fixed protrusion 4 is arranged at the bottom of the fixed reinforcing net 2, and the fixed protrusion 4 is of a porous structure; a polyurea waterproof layer 5 is arranged between the fixed reinforcing net 2 and the reinforcing main board 3, the fixed protrusions 4 are embedded in the polyurea waterproof layer 5, the functional layer 6 is further included, and the fixed reinforcing net 2 is embedded in the functional layer 6; the reinforcing main board 3 is fixedly connected with the processing surface.
The utility model discloses in the use, be provided with the reinforcing plate at the fixed periphery of movement joint or negative and positive angle department to fix reinforcing mesh 2 and set up and treat construction position department. In the use process, the reinforcing plate can be fixed firstly, and then a polyurea layer is sprayed between the construction surface and the fixed reinforcing net 2; or spraying the initial layer of the polyurea layer, fixing the reinforcing plate, and continuously spraying the reinforcing layer of the polyurea layer; or after spraying the polyurea layer, fixing the reinforcing body 1 on the polyurea layer; finally, the functional layer 6 is coated on the fixed reinforcing mesh 2. The reinforced main board 3 and the construction surface can be fixedly connected through screws, the reinforced main board 3 and the fixed reinforced net 2 can be connected through welding or an integrated setting mode, and the connection mode is the prior art, so that the repeated description is omitted.
Example 2:
the embodiment is optimized on the basis of embodiment 1, and as shown in fig. 1, a leveling layer 8 is arranged at the bottom of the polyurea waterproof layer 5, and the leveling layer 8 is a mortar leveling layer or a resin leveling layer. In the work progress, the concrete face of construction often has defects such as more honeycomb, pitted surface, handles honeycomb and great unevenness through leveling layer 8, has reduced the condition such as trompil, fission on polyurea layer, has improved whole waterproof coating's the quality of laying, has improved life.
As shown in fig. 2, the bottom of the polyurea waterproof layer 5 is provided with a polymer barrier rib 7. To the construction of movement joint, to structure movement joint department enhancement layer, after executing to make the movement joint sealed glue, set up polymer division bar 7 along the seam is placed in the middle earlier, then spraying polyurea waterproof layer 5 makes and keeps apart between polyurea waterproof layer 5 and the concrete foundation bed face to polyurea waterproof layer 5 atress destruction when preventing structural deformation, differential settlement. The polymeric barrier strip 7 may be made of PE material. As shown in fig. 4, the bottom of the polyurea waterproof layer 5 may be provided with one or more polymeric barrier ribs 7.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
this embodiment is optimized on the basis of embodiment 1 or 2, polyurea waterproof layer 5 includes and follows supreme primary layer and the enhancement layer that sets gradually down, polyurea waterproof layer 5's gross thickness is 1.5mm, the height of primary layer is 0.9mm, and the thickness of enhancement layer is 0.6 mm.
In the construction process, the polyurea waterproof layer 5 can be sprayed by adopting H-XP3 type polyurea special spraying equipment, and practice proves that the secondary spraying method is favorable for reducing common quality problems of needle holes, empty drums, hanging flow and the like of the polyurea waterproof layer 5. Firstly, spraying polyurea for the first time according to the overall requirement, namely spraying a primary layer, wherein the thickness of the primary layer is 0.9 mm; and then after the polyurea is cured to form a film with certain strength, spraying the polyurea for the second time after about 10min after the polyurea is applied, namely spraying the reinforcing layer, wherein the thickness of the reinforcing layer is 0.6mm, and the total thickness of the polyurea layer is 1.5 mm. Practice proves that the surface of the sprayed polyurea layer has no pinholes or hollows, the physical property is good, and the service life is relatively long.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
this embodiment is optimized based on any one of embodiments 1 to 3, and as shown in fig. 4, the functional layer 6 is a finish paint layer of a concrete protective agent. The outer side of the reinforcement body 1 is coated with an anticorrosive layer.
The utility model discloses a setting up of reinforcement 1 has improved the joint strength of monolithic coating structure, has reduced polyurea waterproof layer 5's stress cracking's problem through setting up of porous fixed arch 4.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. A lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure is characterized by comprising a reinforcing body (1), wherein the reinforcing body (1) comprises a reinforcing main plate (3) and a fixed reinforcing net (2) arranged at the top of the reinforcing main plate (3), a fixed bulge (4) is arranged at the bottom of the fixed reinforcing net (2), and the fixed bulge (4) is of a porous structure; a polyurea waterproof layer (5) is arranged between the fixed reinforcing net (2) and the reinforcing main board (3), the fixed protrusions (4) are embedded in the polyurea waterproof layer (5), the reinforced composite board further comprises a functional layer (6), and the fixed reinforcing net (2) is embedded in the functional layer (6); the reinforced main board (3) is fixedly connected with the processing surface.
2. The lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure according to claim 1, wherein the polyurea waterproof layer (5) is provided with a leveling layer (8) at the bottom, and the leveling layer (8) is a mortar leveling layer or a resin leveling layer.
3. The lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure according to claim 1 or 2, wherein the bottom of the polyurea waterproof layer (5) is provided with a high molecular isolation strip (7).
4. The lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure as claimed in claim 1 or 2, wherein the polyurea waterproof layer (5) comprises a primary layer and a reinforcing layer which are sequentially arranged from bottom to top, the total thickness of the polyurea waterproof layer (5) is 1.5mm, the height of the primary layer is 0.9mm, and the thickness of the reinforcing layer is 0.6 mm.
5. The lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure as claimed in claim 1, wherein the functional layer (6) is a concrete protectant topcoat layer.
6. The lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure according to claim 1, wherein the outside of the reinforcement body (1) is coated with an anticorrosive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921859764.0U CN210857281U (en) | 2019-10-31 | 2019-10-31 | Lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921859764.0U CN210857281U (en) | 2019-10-31 | 2019-10-31 | Lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure |
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| Publication Number | Publication Date |
|---|---|
| CN210857281U true CN210857281U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921859764.0U Expired - Fee Related CN210857281U (en) | 2019-10-31 | 2019-10-31 | Lake bottom tunnel deformation joint and male and female corner polyurea waterproof coating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210857281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387386A (en) * | 2022-10-20 | 2022-11-25 | 中国二十冶集团有限公司 | Waterproof structure and construction process of comprehensive pipe rack |
-
2019
- 2019-10-31 CN CN201921859764.0U patent/CN210857281U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387386A (en) * | 2022-10-20 | 2022-11-25 | 中国二十冶集团有限公司 | Waterproof structure and construction process of comprehensive pipe rack |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |