CN217580274U - Utility tunnel waterproof construction - Google Patents
Utility tunnel waterproof construction Download PDFInfo
- Publication number
- CN217580274U CN217580274U CN202121264653.2U CN202121264653U CN217580274U CN 217580274 U CN217580274 U CN 217580274U CN 202121264653 U CN202121264653 U CN 202121264653U CN 217580274 U CN217580274 U CN 217580274U
- Authority
- CN
- China
- Prior art keywords
- utility tunnel
- waterproof
- utility
- corner transition
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 title claims abstract description 42
- 230000007704 transition Effects 0.000 claims abstract description 49
- 238000004078 waterproofing Methods 0.000 claims abstract description 44
- 239000010426 asphalt Substances 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 32
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 57
- 230000000694 effects Effects 0.000 abstract description 25
- 239000003795 chemical substances by application Substances 0.000 abstract description 11
- 230000008595 infiltration Effects 0.000 abstract description 7
- 238000001764 infiltration Methods 0.000 abstract description 7
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000011241 protective layer Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 5
- 238000005056 compaction Methods 0.000 description 3
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000264877 Hippospongia communis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a utility tunnel waterproof construction belongs to utility tunnel technical field, especially relates to a utility tunnel waterproof construction. The utility model provides a utility tunnel waterproof construction, including the base layer, the inorganic type infiltration waterproofing agent layer of waterborne, pitch waterproof layer, asphalt felt isolation layer and fine aggregate concrete protective layer, overlap joint sealing device and reentrant corner transition device that set up from inside to outside, the pitch waterproof layer includes pitch waterproofing membrane, and pitch waterproofing membrane adopts the overlap joint mode to lay each other, is provided with the overlap joint position between pitch waterproofing membrane and the adjacent pitch waterproofing membrane, and overlap joint sealing device sets up below the overlap joint position; reentrant corner transition device sets up in utility tunnel reentrant corner department, and reentrant corner transition device sets up in pitch waterproof layer below. The utility model provides a pair of utility tunnel waterproof construction, the process is simple and convenient, has improved the efficiency of construction, and water-proof effects is excellent, low cost, easily promotes.
Description
Technical Field
The utility model belongs to the technical field of the utility model, concretely relates to utility tunnel waterproof construction.
Background
Utility tunnel is one of the main building in city, belong to the peripheral protective structure of building lower floor, receive sunshine throughout the year, air temperature, the influence of rainfall, probably because the construction is not standard when utility tunnel itself is under construction simultaneously, the material is misused, cause the seepage or the damage of waterproof material in the utility tunnel, influence water-proof effects, utility tunnel in case leak, the use of direct influence utility tunnel, can lead to the utility tunnel to scrap even, and then influence city pipeline engineering, utility tunnel waterproof layer construction process is comparatively complicated in addition, waste time and energy, except that receiving manual work and mechanical limitation, the operation environmental condition also is the main factor that influences construction progress and quality, therefore how high-speed, the construction of utility tunnel waterproof layer is accomplished to high quality is crucial.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a utility tunnel waterproof construction aims at solving the comparatively complicated, the problem that wastes time and energy of utility tunnel waterproof layer construction technology.
In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides a utility tunnel waterproof construction includes: the waterproof asphalt layer comprises a plurality of asphalt waterproof coiled materials, and joints between adjacent asphalt waterproof coiled materials are lapped and laid;
a lap seal device disposed below the lap location; and
reentrant corner transition device, reentrant corner transition device sets up utility tunnel reentrant corner department, reentrant corner transition device sets up pitch waterproof layer below.
In a possible implementation manner, the lap sealing device includes a base and a sealing cover, the lap portion is disposed on the base, and the sealing cover is pressed against the lap portion.
In a possible implementation manner, a placing groove is formed in the upper surface of the base, and the lap joint portion extends into the placing groove.
In a possible implementation manner, a sealing strip is arranged on the lower surface of the sealing cover, and the sealing strip is closely attached to the overlapping portion and embedded into the placing groove.
In a possible implementation, a fastening bolt is arranged between the sealing cover and the base.
In a possible realization, a waterproof gasket is arranged under the head of the fastening bolt.
In a possible implementation manner, two sides of the base perpendicular to the extending direction of the lap joint part are provided with transition slopes.
In a possible implementation manner, the base and the upper surface of the transition slope are provided with bonding materials capable of being bonded with the asphalt waterproof coiled material.
In a possible implementation manner, the internal corner transition device comprises an internal corner transition strip, the cross section of the internal corner transition strip is an isosceles right triangle, the internal corner transition strip comprises a first right-angle surface, a second right-angle surface and an inclined surface, and the internal corner transition strip is fixedly connected with the wall of the pipe gallery through a fixing bolt.
In a possible implementation manner, the inclined surface is provided with an adhesive material which can be adhered to the asphalt waterproof coiled material.
The utility model provides a pair of utility tunnel waterproof construction's beneficial effect lies in: compared with the prior art, the base layer, the water-based inorganic type permeable waterproofing agent layer, the asphalt waterproofing layer, the asphalt felt isolation layer and the fine stone concrete protection layer are arranged from inside to outside, the water-based inorganic type permeable waterproofing agent can be directly sprayed and permeates into a concrete capillary channel to be completely filled with small pores, and the asphalt waterproofing layer is made of self-adhesive waterproofing coiled materials, so that the waterproof asphalt layer has the advantages of simplicity and convenience in construction, good waterproof performance, environmental friendliness and the like; when the asphalt waterproof layer is laid, a lap joint method is adopted, a lap joint part is arranged between two adjacent asphalt waterproof coiled materials, and a lap joint sealing device is arranged below the lap joint part, so that the lap joint part is further subjected to waterproof sealing treatment, and the waterproof effect is improved; the internal corner transition device is arranged at the internal corner of the pipe gallery, so that the internal corner is transited, the stress of the internal corner on the asphalt waterproof layer is reduced, and the waterproof effect of the asphalt waterproof layer is improved; the waterproof form of the comprehensive pipe gallery structure is further optimized, the two waterproof layers are combined to achieve the maximum anti-seepage waterproof effect, the construction time and the cost are saved, the environmental limitation is small, and the waterproof effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a waterproof structure of a utility tunnel provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of a lap sealing device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an internal corner transition device adopted in the embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides a utility tunnel waterproof construction flow schematic diagram.
In the figure: 1. asphalt waterproof coiled materials; 2. a lap joint portion; 3. a base; 4. a sealing cover; 5. a sealing strip; 6. fastening a bolt; 7. a waterproof gasket; 8. a transition slope; 9. a reentrant corner transition strip; 10. a first right-angle face; 11. a second right-angle surface; 12. a bevel; 13. fixing the bolt; 14. sealing the column; 15. a base layer; 16. an aqueous inorganic permeable waterproofing agent layer; 17. an asphalt waterproof layer; 18. a linoleum barrier layer; 19. fine aggregate concrete protective layer.
Detailed Description
In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, a specific embodiment of a utility tunnel waterproof structure provided by the present invention is now described, including: from inside to outside setting basic unit 15, inorganic type infiltration waterproofing agent layer 16 of waterborne, pitch waterproof layer 17, asphalt felt isolation layer 18, fine aggregate concrete protective layer 19, overlap joint sealing device and reentrant corner transition device, pitch waterproof layer 17 includes polylith pitch waterproofing membrane 1, seam overlap joint between adjacent pitch waterproofing membrane 1 is laid, be provided with overlap joint position 2 between pitch waterproofing membrane 1 and the adjacent pitch waterproofing membrane 1, overlap joint sealing device sets up in overlap joint position 2 below, reentrant corner transition device sets up in utility tunnel reentrant corner department, reentrant corner transition device sets up in pitch waterproof layer 17 below.
Compared with the prior art, the utility model provides a comprehensive pipe gallery waterproof construction, from inside to outside is provided with basic unit 15, inorganic type infiltration waterproofing agent layer 16 of waterborne, pitch waterproof layer 17, asphalt felt isolation layer 18 and fine aggregate concrete protective layer 19, and inorganic type infiltration waterproofing agent of waterborne can directly spray to permeate concrete capillary channel, is full of little hole completely, and pitch waterproof layer 17 adopts self-adhesive waterproofing membrane, has the advantages such as the construction is simple and convenient, waterproof performance is good, focus on environmental protection; when the asphalt waterproof layer 17 is laid, a lap joint method is adopted, a lap joint part 2 is arranged between two adjacent asphalt waterproof roll materials 1, and a lap joint sealing device is arranged below the lap joint part 2, so that the lap joint part 2 is subjected to further waterproof sealing treatment, and the waterproof effect is improved; the internal corner transition device is arranged at the internal corner of the pipe gallery, and is used for performing transition on the internal corner, so that the stress of the internal corner on the asphalt waterproof layer 17 is reduced, and the waterproof effect of the asphalt waterproof layer 17 is improved; the waterproof form of the comprehensive pipe gallery structure is further optimized, the two waterproof layers are combined to achieve the maximum anti-permeability waterproof effect, the construction time and the cost are saved, the environmental limitation is small, and the waterproof effect is improved.
Specifically, please refer to fig. 1 to 4, from inside to outside, a base layer 15 is provided, a water-based inorganic type infiltration waterproofing agent layer 16, an asphalt waterproofing layer 17, a felt isolation layer 18 and a fine aggregate concrete protective layer 19 are provided, the water-based inorganic type infiltration waterproofing agent is directly sprayed, the asphalt waterproofing layer 17 is laid above the water-based inorganic type infiltration waterproofing agent coating, the asphalt waterproofing membrane 1 adopts a lap joint, a lap joint sealing device is provided below the lap joint part 2, the lap joint part 2 is sealed, the waterproofing effect is improved, a reentrant corner transition device is provided at the reentrant corner, the asphalt waterproofing membrane 1 is laid above the reentrant corner transition device, the pressure of the reentrant corner to the asphalt waterproofing membrane 1 is reduced, and the waterproofing effect is improved.
Further, the specific operation process is as follows:
s1, treating and repairing a base layer 15, wherein if the surface of a structure of the base layer 15 has defects such as honeycombs and pitted surfaces, the treatment is carried out in time, the base layer 15 is guaranteed to be firm and flat without floating soil, concrete tips and exposed steel bar heads, the defects such as structural cracks and construction joints are respectively treated according to the difference of crack widths, the cracks with the width smaller than 3mm and without affecting the structural strength are directly sprayed after the surface is cleaned, when the crack width is larger than 3mm or the concrete strength is affected, structural reinforcement treatment is carried out according to design requirements, spraying construction is carried out after acceptance is passed, no open water exists in the base layer 15, and a lap joint sealing device and a reentrant corner transition device are installed;
s2, spraying the water-based inorganic penetration waterproofing agent, wherein the coating is uniform and is sprayed in a layered manner, the successive overlap width of the coating on the same layer is preferably 30-50 mm, the distance between a spray gun and a base layer 15 is preferably 600-800 mm, the average thickness of the coating is required to meet the design requirement, the minimum thickness is not less than 90% of the design thickness, the coating quality is checked, the waterproof layer of the coating is required to be firmly bonded with the base layer 15, the coating is uniform in coating, and the phenomenon of flowing, bubbling and leaking is avoided;
s3, paving the asphalt waterproof layer 17, paving the asphalt waterproof coiled material 1 within 30 minutes to 1 hour after the coating is sprayed, constructing the adjacent asphalt waterproof coiled materials 1 in a lap joint mode, and reinforcing the detailed parts and the parts which are easy to damage.
S4, the compaction of exhausting, carry out the compaction of exhausting to the pitch waterproof layer 17 that finishes laying, roll extrusion to both sides from pitch waterproofing membrane 1 middle part with the compression roller, the exhaust air, make pitch waterproofing membrane 1 firmly paste on basic unit 15, the barrier paper at pitch waterproofing membrane 1 back overlap joint position 2 is not taken off too early, in order to avoid polluting the tie coat or mistake to glue, 1 exhaust of large tracts of land pitch waterproofing membrane, after the compaction, the handheld little compression roller of reuse rolls overlap joint position 2, roll extrusion outwards from the overlap joint inward flange, the exhaust air, it is firm to paste.
S5, organizing to check and accept, checking and accepting the asphalt waterproof layer 17 which is paved, ensuring the construction quality of the asphalt waterproof layer 17, wherein the asphalt waterproof coiled material 1 which is paved and pasted is smooth and straight, and has no distortion and wrinkle phenomena, the lap joint of the asphalt waterproof coiled material 1 is firm, the lap joint size is accurate, and after the construction, the protection is noticed.
As a specific embodiment of a pair of utility tunnel waterproof construction please refer to fig. 2, and the overlap joint sealing device includes base 3 and sealed lid 4, and overlap joint position 2 sets up on base 3, and sealed lid 4 compresses tightly on overlap joint position 2.
Specifically, referring to fig. 2, the lap-joint sealing device includes a base 3 and a sealing cover 4 disposed on the base 3, the lap-joint portion 2 is disposed on the base 3, and the sealing cover 4 seals the lap-joint portion 2, so as to improve the waterproof effect of the lap-joint portion 2 of the asphalt waterproof layer 17.
As a specific embodiment of a pair of utility tunnel waterproof construction, please refer to fig. 2, 3 upper surfaces of base are provided with the standing groove, and overlap joint position 2 extends to in the standing groove.
Specifically, please refer to fig. 2, the placing groove is disposed on the upper surface of the base 3, and the placing groove is used for placing the overlapping portion 2, so as to further improve the waterproof effect.
Further, the lateral wall of standing groove can be provided with the slope that extends to the standing groove bottom, reduces the oppression to pitch waterproofing membrane 1, further promotes water-proof effects.
As a pair of the utility model provides a pair of utility tunnel waterproof construction's a specific embodiment please refer to figure 2, and 4 lower surfaces of sealed lid are provided with sealing strip 5, and sealing strip 5 closely laminates and imbeds in the standing groove with overlap joint position 2.
Specifically, please refer to fig. 2, sealing strip 5 sets up in sealed 4 below, and sealing strip 5 can compress tightly lap joint portion 2 of placing in the standing groove, compresses tightly lap joint portion 2 in the standing groove, further promotes water-proof effects.
As a specific embodiment of a pair of utility tunnel waterproof construction, please refer to fig. 2, is provided with fastening bolt 6 between sealed lid 4 and the base 3.
Specifically, referring to fig. 2, the sealing cover 4 and the base 3 are fixed by a fastening bolt 6, and the fastening bolt 6 penetrates through the sealing cover 4 to lock and fix the sealing cover 4 on the base 3, so as to further improve the waterproof effect.
As a specific embodiment of the utility model provides a pair of utility tunnel waterproof construction, please refer to fig. 2, 6 head undersides of fastening bolt are provided with waterproof gasket 7.
Specifically, referring to fig. 2, a waterproof gasket 7 is disposed under the head of the fastening bolt 6, and can be in close contact with the sealing cover 4, so as to further improve the waterproof effect.
Further, waterproof gasket 7 has decurrent slope, and the ponding of being convenient for is slided down, prevents that ponding from piling up on waterproof gasket 7, further promotes water-proof effects.
As a specific embodiment of a pair of utility tunnel waterproof construction, please refer to fig. 2, base 3 perpendicular to 2 extending direction's in overlap joint position both sides are provided with transition slope 8.
Specifically, please refer to fig. 2, base 3 both sides are provided with transition slope 8, and pitch waterproofing membrane 1 places on base 3 with the help of transition slope 8, easily is under construction, reduces the oppression to pitch waterproofing membrane 1, further promotes water-proof effects.
As a pair of the utility model provides a pair of utility tunnel waterproof construction's a specific embodiment, base 3 and transition slope 8 upper surfaces are provided with the material of adhereing that can bind mutually with pitch waterproofing membrane 1.
Specifically, base 3 and transition slope 8 upper surface are provided with the material of binding, can bind with the pitch waterproofing membrane 1 of laying, further increase the stability of device, prevent that pitch waterproofing membrane 1 from droing, further promote water-proof effects.
Furthermore, the outer surface of the bonding material is provided with an isolating membrane, so that the phenomenon that the surface of the bonding material adsorbs impurities to influence the bonding effect when the bonding material is not used is avoided.
As a specific implementation of a pair of utility tunnel waterproof construction please refer to fig. 3, reentrant corner transition device includes reentrant corner transition strip 9, and the cross section of reentrant corner transition strip 9 is isosceles right triangle, and reentrant corner transition strip includes first right-angle surface 10, second right-angle surface 11 and inclined plane 12, and reentrant corner transition strip 9 passes through fixing bolt 13 and piping lane wall fixed connection.
Specifically, please refer to fig. 3, reentrant corner transition strip 9 sets up on the reentrant corner, reentrant corner transition strip 9 cross-section is isosceles right triangle, and reentrant corner transition strip 9 includes first right-angle face 10, second right-angle face 11 and inclined plane 12, and first right-angle face 10 and second right-angle face 11 are laminated with the reentrant corner mutually, are provided with fixing bolt 13 on the inclined plane 12, and fixing bolt 13 axis is perpendicular with first right-angle face 10 mutually, is convenient for carry out fixing bolt 13's installation.
Further, be provided with fixing bolt 13 holes on reentrant corner transition strip 9, fixing bolt 13 holes are the step hole, and fixing bolt 13 can imbed fixing bolt 13 holes completely downtheholely, and fixing bolt 13 is provided with the sealed post 14 that is used for shutoff fixing bolt 13 holes outward, further promotes water-proof effects.
As a specific embodiment of a pair of utility tunnel waterproof construction, be provided with the material of adhereing that can bind mutually with pitch waterproofing membrane 1 on the inclined plane 12.
Specifically, the upper surface of the inclined plane 12 is provided with an adhesive material which can be adhered to the asphalt waterproof roll material 1 to further increase the stability of the device, prevent the asphalt waterproof roll material 1 from falling off, and further improve the waterproof effect.
Furthermore, the outer surface of the bonding material is provided with an isolating membrane, so that the condition that the surface of the bonding material adsorbs impurities to influence the bonding effect when the bonding material is not used is avoided.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a utility tunnel waterproof construction which characterized in that includes:
the waterproof asphalt layer comprises a plurality of asphalt waterproof coiled materials, and joints between adjacent asphalt waterproof coiled materials are lapped and laid;
a lap seal device disposed below the lap joint portion; and
reentrant corner transition device, reentrant corner transition device sets up utility tunnel reentrant corner department, reentrant corner transition device sets up pitch waterproof layer below.
2. The utility tunnel waterproof construction of claim 1, characterized in that the lap sealing means comprises a base and a sealing cover, the lap portion being provided on the base, the sealing cover being pressed against the lap portion.
3. The utility tunnel waterproof structure of claim 2, wherein the base is provided with a placement groove on the upper surface, and the overlapping portion extends into the placement groove.
4. The utility tunnel waterproof construction of claim 3, characterized in that, the sealing cover lower surface is provided with a sealing strip, the sealing strip is closely attached to the lap joint part and is embedded in the placing groove.
5. The utility tunnel waterproof construction of claim 4, characterized in that a fastening bolt is provided between the sealing cover and the base.
6. A utility tunnel waterproofing structure according to claim 5, wherein a waterproof gasket is provided under the head of the fastening bolt.
7. The utility tunnel waterproof construction of claim 6, characterized in that the base is provided with transition slopes on both sides perpendicular to the extending direction of the lap joint part.
8. The utility tunnel waterproof structure of claim 7, wherein the base and the upper surface of the transition slope are provided with an adhesive material that can adhere to the asphalt waterproofing membrane.
9. The utility tunnel waterproof structure of claim 1, wherein the internal corner transition device comprises an internal corner transition strip, the cross section of the internal corner transition strip is an isosceles right triangle, the internal corner transition strip comprises a first right-angle surface, a second right-angle surface and an inclined surface, and the internal corner transition strip is fixedly connected with the wall of the pipe gallery through a fixing bolt.
10. The utility tunnel waterproof structure of claim 9, wherein the inclined surface is provided with an adhesive material that can adhere to the asphalt waterproofing membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121264653.2U CN217580274U (en) | 2021-06-07 | 2021-06-07 | Utility tunnel waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121264653.2U CN217580274U (en) | 2021-06-07 | 2021-06-07 | Utility tunnel waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217580274U true CN217580274U (en) | 2022-10-14 |
Family
ID=83525828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121264653.2U Expired - Fee Related CN217580274U (en) | 2021-06-07 | 2021-06-07 | Utility tunnel waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217580274U (en) |
-
2021
- 2021-06-07 CN CN202121264653.2U patent/CN217580274U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110607809B (en) | Waterproof construction method for basement of building engineering | |
| CN106120873B (en) | A kind of construction method of pile-raft foundation pre-installed and inverted adhered composite high-molecular waterproof roll | |
| CN112081146A (en) | Construction method of polymer self-adhesive film waterproof coiled material capable of being constructed in rainy season | |
| CN112663681B (en) | Lapping method for different waterproof materials of bottom plate and side wall of large foot | |
| CN111350282A (en) | Pre-laid waterproof coiled material construction process for welding and gluing combined construction | |
| CN105862928A (en) | Post-cast strip outer wall in-advance water stopping treatment structure and construction process thereof | |
| CN202851009U (en) | Tunnel buffering multilayer waterproof-drainage structure | |
| WO2022199415A1 (en) | Anti-leakage construction method for bottomless bolt connection type water tank | |
| CN209760629U (en) | Just put local seepage maintenance structure in formula roofing pipe root position | |
| CN104762999A (en) | Self-adhesion coiled material underground waterproof construction method | |
| CN110004883B (en) | Composite core wall structure of earth-rock dam and construction method | |
| CN208618582U (en) | A kind of lapped configuration of self-adhering-type polymer membranes | |
| CN113529982A (en) | Deformation joint waterproof construction method | |
| CN217580274U (en) | Utility tunnel waterproof construction | |
| CN2709552Y (en) | Pre-spread self-adhesive water-proof coiled material | |
| CN205894521U (en) | Top board waterproof protection architecture | |
| CN211172024U (en) | A block structure for foundation ditch precipitation well | |
| CN210238573U (en) | A waterproof construction that is used for open cut station main part and attached junction | |
| CN208309638U (en) | A kind of outer waterproof construction of underground pipe gallery | |
| CN216865262U (en) | Waterproof construction of lid excavation reverse construction method side wall horizontal construction seam | |
| CN212827208U (en) | PVC pre-paved anti-sticking inner-reinforced waterproof roll | |
| CN214574963U (en) | Waterproof structure of building curtain wall over roof | |
| CN215253039U (en) | Pre-paving and anti-sticking construction structure for bottom plate modified asphalt base pre-paving waterproof coiled material | |
| CN209816797U (en) | Earth-rock dam composite core wall structure | |
| CN114319454A (en) | Waterproof construction of lid excavation reverse construction method side wall horizontal construction seam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20221014 |