CN211231881U - Basement outer wall back-opening wall-penetrating pipe waterproof structure - Google Patents
Basement outer wall back-opening wall-penetrating pipe waterproof structure Download PDFInfo
- Publication number
- CN211231881U CN211231881U CN201922209321.3U CN201922209321U CN211231881U CN 211231881 U CN211231881 U CN 211231881U CN 201922209321 U CN201922209321 U CN 201922209321U CN 211231881 U CN211231881 U CN 211231881U
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- Prior art keywords
- wall
- waterproof
- reinforced concrete
- basement
- pipe
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- 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
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 24
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 58
- 239000011247 coating layer Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000004567 concrete Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 4
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- 238000009413 insulation Methods 0.000 description 2
- 239000011433 polymer cement mortar Substances 0.000 description 2
- 229920001021 polysulfide Polymers 0.000 description 2
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- 229920002635 polyurethane Polymers 0.000 description 2
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- 238000012856 packing Methods 0.000 description 1
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- 229920000915 polyvinyl chloride Polymers 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a basement outer wall back-opening wall-penetrating pipe waterproof structure, which comprises a basement outer wall, wherein the basement outer wall sequentially comprises a reinforced concrete outer wall, an existing building leveling layer, an existing building waterproof layer structure and a waterproof protection wall from inside to outside; one end of the wall penetrating pipe, which is positioned outside the reinforced concrete outer wall, is sleeved with a waterproof sleeve, the outer peripheral wall of the waterproof sleeve is provided with a water stop convex ring, and the waterproof sleeve and the wall penetrating pipe are fixedly connected together through a connecting assembly; the outer side of the reinforced concrete outer wall is provided with a plurality of planting bars, the planting bars surround the annular stirrups, and the waterproof mortar structure with the planting bars and the annular stirrups embedded in the waterproof sleeve is poured outside the waterproof sleeve. The method effectively reduces the opening area of the reinforced concrete outer wall, reduces the damage to the original structure, and effectively prevents the problems of leakage and the like of the basement outer wall at the through-wall pipe.
Description
Technical Field
The utility model relates to an existing construction technical field, in particular to open a hole wall pipe waterproof construction behind basement outer wall.
Background
Existing building transformation projects are more and more, and in order to meet the requirement of transforming specific functions, holes and pipes are often required to be drilled in the outer wall of the reinforced concrete basement. For example, patent documents with publication number CN209196300U and publication number 2019.08.02 disclose a waterproof structure for wall-penetrating pipes, which comprises: the waterproof sleeve is embedded in the wallboard; the first steel plate is arranged on the water-facing side of the wallboard, sleeved outside the wall-penetrating pipeline, connected with the wall-penetrating pipeline in a sealing manner and connected with the end part of the waterproof sleeve in a sealing manner; the second steel plate is arranged on the backwater side of the wallboard, sleeved outside the wall-through pipeline, connected with the wall-through pipeline in a sealing manner and abutted against the end part of the waterproof sleeve; and the waterproof material is filled in a cavity surrounded by the first steel plate, the second steel plate, the outer side wall of the wall-through pipeline and the inner side wall of the waterproof sleeve.
Above-mentioned waterproof structure of wall-penetrating pipeline considers the secondary and pours because waterproof sleeving's seal ring diameter is far away than wall-penetrating steel pipe diameter, and the actual outer wall area of opening can be bigger, has following drawback: 1. the larger the opening area of the existing basement reinforced concrete outer wall is, the larger the damage to the original structure is, and certain potential safety hazards exist; 2. the hidden trouble of leakage of the outer wall is easy to appear, and the normal use of the basement is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a basement outer wall back division of a hole wall pipe waterproof construction not only effectively reduces the area of opening a hole of reinforced concrete outer wall, reduces the damage to the primary structure, prevents effectively moreover the basement outer wall in the seepage scheduling problem of wall pipe department.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a basement outer wall back-opening wall-penetrating pipe waterproof structure comprises a basement outer wall, wherein the basement outer wall sequentially comprises a reinforced concrete outer wall, an existing building leveling layer, an existing building waterproof layer structure and a waterproof protection wall from inside to outside, a back opening is formed in the basement outer wall, a wall-penetrating pipe penetrates through the back opening, the aperture of the position, where the back opening is formed in the reinforced concrete outer wall, is smaller than that of the position, where the back opening is formed in the waterproof protection wall, an annular cavity between the wall-penetrating pipe and the reinforced concrete outer wall is filled with a flexible filling body, and a first sealing body is arranged in the annular cavity between one end, close to the inner side of the reinforced concrete outer wall, of the back opening and the wall-penetrating pipe;
a waterproof sleeve is sleeved at one end of the wall penetrating pipe, which is positioned outside the reinforced concrete outer wall, a water-stopping convex ring is arranged on the outer peripheral wall of the waterproof sleeve, the waterproof sleeve and the wall penetrating pipe are fixedly connected together through a connecting component, a flexible supporting ring is arranged in an annular cavity between the waterproof sleeve and the wall penetrating pipe, and a second sealing body is arranged in an annular cavity between one end of the waterproof sleeve, which is far away from the reinforced concrete outer wall, and the wall penetrating pipe;
the outer side of the reinforced concrete outer wall is provided with a plurality of embedded bars, the waterproof sleeves are located in the area range surrounded by the embedded bars, the embedded bars surround the annular stirrups, and waterproof mortar structures embedded with the embedded bars and the annular stirrups are poured outside the waterproof sleeves.
By adopting the technical scheme, the aperture of the rear opening at the reinforced concrete outer wall is smaller than that of the rear opening at the waterproof protection wall, the aperture of the rear opening at the reinforced concrete outer wall is matched with the size of the wall penetrating pipe, and the annular cavity between the wall penetrating pipe and the reinforced concrete outer wall is filled with the flexible filling body and the first sealing body for waterproof treatment; the waterproof sleeve is sleeved at one end of the wall penetrating pipe, which is positioned outside the reinforced concrete outer wall, and is embedded in the waterproof mortar structure for waterproof treatment. Therefore, the utility model discloses effectively reduce the area of opening a hole of reinforced concrete outer wall to reduce the damage to the primary structure, effectively prevent the seepage scheduling problem of basement outer wall in wall pipe department moreover.
The utility model discloses further set up to: the connecting assembly comprises a flange lantern ring sleeved on the wall penetrating pipe and a flange outer convex ring fixedly arranged on the periphery of the lantern ring, the flange lantern ring extends into an annular cavity between one end, close to the reinforced concrete outer wall, of the waterproof casing pipe and the wall penetrating pipe, and the flange outer convex ring is fixedly connected with the water stopping outer convex ring through a connecting piece.
Through adopting above-mentioned technical scheme, realized the fixed connection of waterproof bushing and wall pipe.
The utility model discloses further set up to: the connecting piece comprises a connecting bolt, a first threaded hole is formed in the flange outer convex ring, a second threaded hole is formed in the water stopping outer convex ring, and the connecting bolt is in threaded connection with the first threaded hole and the second threaded hole.
Through adopting above-mentioned technical scheme, threaded connection connects simply, joint strength is high.
The utility model discloses further set up to: the water stop outer convex rings are multiple.
By adopting the technical scheme, the aim of multiple water stopping is fulfilled, and the water stopping effect is improved.
The utility model discloses further set up to: the outer side of the reinforced concrete outer wall is provided with a water swelling water stop ring, the wall penetrating pipe penetrates through the water swelling water stop ring, and the water swelling water stop ring is located in a plurality of area ranges surrounded by the embedded bars.
Through adopting above-mentioned technical scheme, meet water inflation seal ring and play the effect of stagnant water.
The utility model discloses further set up to: the area range surrounded by the plurality of the embedded bars is arranged in a rectangular shape.
Through adopting above-mentioned technical scheme, the waterproof mortar structure also is the rectangle setting, strengthens the stability of waterproof mortar structure.
The utility model discloses further set up to: and a rear waterproof layer structure is arranged on the outer side of the waterproof mortar structure.
Through adopting above-mentioned technical scheme, rearmounted waterproof layer structure is used for the outside of waterproof mortar structure to carry out water repellent.
The utility model discloses further set up to: the rear waterproof layer structure sequentially comprises a rear base layer treating agent layer, a first rear waterproof coating layer, a rear waterproof isolating layer and a second rear waterproof coating layer from inside to outside.
Through adopting above-mentioned technical scheme, have good water-proof effects.
The utility model discloses further set up to: the waterproof mortar structure is characterized in that a supporting cushion layer is arranged below the waterproof mortar structure and sequentially comprises a plain soil tamping layer and a plain concrete cushion layer from bottom to top.
Through adopting above-mentioned technical scheme, the support bed course plays the supporting role to waterproof mortar structure, strengthens waterproof mortar structure's stability.
The utility model discloses further set up to: the flexible support ring is a plurality of.
Through adopting above-mentioned technical scheme, the stability is established to the cover that strengthens waterproof sleeve pipe and wall pipe.
To sum up, the utility model discloses following beneficial effect has: the aperture of the rear opening at the reinforced concrete outer wall is smaller than that of the rear opening at the waterproof protection wall, the aperture of the rear opening at the reinforced concrete outer wall is matched with the size of the wall penetrating pipe, and a flexible filling body and a first sealing body are filled in an annular cavity between the wall penetrating pipe and the reinforced concrete outer wall for waterproof treatment; the waterproof sleeve is sleeved at one end of the wall penetrating pipe, which is positioned outside the reinforced concrete outer wall, and is embedded in the waterproof mortar structure for waterproof treatment. Therefore, the utility model discloses effectively reduce the area of opening a hole of reinforced concrete outer wall to reduce the damage to the primary structure, effectively prevent the seepage scheduling problem of basement outer wall in wall pipe department moreover.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
In the figure, 1, basement exterior wall; 11. a reinforced concrete outer wall; 12. the existing building leveling course; 13. the existing building foundation treating agent layer; 14. a first existing architectural waterproof coating layer; 15. the existing building waterproof isolation layer; 16. a second existing building waterproof coating layer; 17. a waterproof protective wall; 2. then, opening a hole; 21. a flexible infill; 22. a first sealing body; 3. a through-wall pipe; 31. a flexible support ring; 32. a second sealing body; 4. a waterproof sleeve; 41. a water stop convex ring; 5. a connecting assembly; 51. a flange collar; 52. a flange outer convex ring; 53. a connecting bolt; 6. planting bars; 61. a ring-shaped stirrup; 7. a water stop ring expanding when encountering water; 8. a waterproof mortar structure; 9. a rear waterproof layer structure; 91. post-disposing a base layer treating agent layer; 92. a first post waterproof coating layer; 93. a waterproof isolating layer is arranged at the rear part; 94. a second rear waterproof coating layer; 10. a support cushion layer; 101. a plain soil ramming layer; 102. plain concrete cushion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a wall pipe waterproof construction opens a hole behind basement outer wall, including basement outer wall 1, basement outer wall 1 includes reinforced concrete outer wall 11 from inside to outside in order, existing building screed 12, existing building basic finishing agent layer 13, first existing building waterproof coating layer 14, existing building waterproof isolation layer 15, the existing building waterproof coating layer 16 of second and water proof wall 17, wherein existing building basic finishing agent layer 13, first existing building waterproof coating layer 14, existing building waterproof isolation layer 15 and the existing building waterproof coating layer 16 of second constitute existing building waterproof layer structure. The building waterproof insulation layer is characterized in that the existing building leveling layer 12 is formed by coating LEAC polymer cement mortar, the existing building basic treating agent layer 13 is formed by coating a basic treating agent, the first existing building waterproof coating layer 14 is formed by coating LEAC polymer waterproof coating, the existing building waterproof insulation layer 15 is formed by laying waterproof coiled materials, and the second existing building waterproof coating layer 16 is formed by coating LEAC polymer waterproof coating.
The basement outer wall 1 is provided with a rear opening 2, and the aperture of the rear opening 2 at the reinforced concrete outer wall 11 is smaller than that of the rear opening 2 at the waterproof protection wall 17. The rear opening 2 is provided with a through-wall pipe 3 in a penetrating mode, an annular cavity between the through-wall pipe 3 and the reinforced concrete outer wall 11 is filled with a flexible filling body 21, and a first sealing body 22 is arranged in the annular cavity between one end, close to the inner side of the reinforced concrete outer wall 11, of the rear opening 2 and the through-wall pipe 3. The flexible filling body 21 is formed by filling flexible filling materials with dynamic tightness, and the flexible filling materials comprise asbestos packing, asphalt hemp, polystyrene boards, polyvinyl chloride foam plastic boards and the like. The first sealing body 22 is filled with a sealing paste such as polysulfide sealing paste or polyurethane sealing paste.
The one end cover that wall pipe 3 is located reinforced concrete outer wall 11 is equipped with waterproof sleeve 4, and waterproof sleeve 4's periphery wall integrated into one piece has stagnant water outer bulge loop 41, and stagnant water outer bulge loop 41 is three, and three stagnant water outer bulge loop 41 arranges along waterproof sleeve 4's axial direction interval. A flexible support ring 31 is arranged in the annular cavity between the waterproof sleeve 4 and the wall penetrating pipe 3, and a second sealing body 32 is arranged in the annular cavity between one end of the waterproof sleeve 4, far away from the reinforced concrete outer wall 11, and the wall penetrating pipe 3. The flexible support rings 31 are provided as rubber rings, and the number of the flexible support rings 31 is two. The second sealing body 32 is filled with a sealing paste such as polysulfide sealing paste or polyurethane sealing paste.
The waterproof casing 4 and the wall penetrating pipe 3 are fixedly connected together through a connecting component 5. The connecting assembly 5 comprises a flange lantern ring 51, a flange outer convex ring 52 and a connecting bolt 53, wherein the flange outer convex ring 52 is integrally formed on the outer peripheral surface of the flange lantern ring 51, the flange lantern ring 51 is sleeved on the wall penetrating pipe 3, and one end of the flange lantern ring 51 extends into an annular cavity between one end of the waterproof sleeve 4 close to the reinforced concrete outer wall 11 and the wall penetrating pipe 3; the flange outer convex ring 52 is provided with a first threaded hole, the water stop outer convex ring 41 close to the flange outer convex ring 52 is provided with a second threaded hole, and the connecting bolt 53 is sequentially in threaded connection with the first threaded hole and the second threaded hole.
The outer side of the reinforced concrete outer wall 11 is provided with a plurality of embedded bars 6, the embedded bars 6 are perpendicular to the reinforced concrete outer wall 11, and the area range surrounded by the embedded bars 6 is rectangular (refer to fig. 2). A plurality of bar planting 6 encircle have annular stirrup 61, and the quantity of annular stirrup 61 sets up to three, and three annular stirrup 61 is arranged along the length direction interval of bar planting 6, and annular stirrup 61 links together through reinforcement with bar planting 6. The waterproof sleeve 4 is positioned in the area range surrounded by the planting bars 6. The outside bonding of reinforced concrete outer wall 11 has water inflation seal ring 7, and water inflation seal ring 7 is worn to locate by wall pipe 3, and water inflation seal ring 7 is located the regional within range that a plurality of plant bars 6 enclose.
The waterproof mortar structure 8 with embedded steel bars 6 and annular stirrups 61 is poured outside the waterproof sleeve 4, the waterproof mortar structure 8 and the reinforced concrete outer wall 11 are poured together, the reinforced concrete outer wall 11 is roughened at the joint of the reinforced concrete outer wall and the waterproof mortar structure 8, and the waterproof mortar structure 8 and the existing building leveling layer 12 are poured and connected together. Wherein, the waterproof mortar structure 8 is formed by pouring LEAC polymer cement mortar.
And a rear waterproof layer structure 9 is arranged on the outer side of the waterproof mortar structure 8. The rear waterproof layer structure 9 comprises a rear base layer treating agent layer 91, a first rear waterproof coating layer 92, a rear waterproof isolating layer 93 and a second rear waterproof coating layer 94 from inside to outside in sequence.
The post-base layer treating agent layer 91 is connected with the existing building foundation treating agent layer 13 in a pouring mode, the first post waterproof coating layer 92 is connected with the first existing building waterproof coating layer 14 in a pouring mode, the post waterproof isolating layer 93 is connected with the existing building waterproof isolating layer 15 in a pouring mode, the second post waterproof coating layer 94 is connected with the second existing building waterproof coating layer 16 in a pouring mode, and the second post waterproof coating layer 94 is connected with the waterproof protection wall 17 in a pouring mode. The post-base layer treating agent layer 91 is formed by coating a base layer treating agent, the first post-waterproof coating layer 92 is formed by coating a LEAC polymer waterproof coating, the post-waterproof isolating layer 93 is formed by laying a waterproof coiled material, and the second post-waterproof coating layer 94 is formed by coating a LEAC polymer waterproof coating.
A supporting cushion layer 10 is arranged below the waterproof mortar structure 8, and the supporting cushion layer 10 sequentially comprises a plain soil compaction layer 101 and a plain concrete cushion layer 102 from bottom to top.
The implementation principle of the waterproof structure of the basement outer wall rear-opening wall penetrating pipe is as follows: the aperture of the rear opening 2 at the reinforced concrete outer wall 11 is smaller than that of the rear opening 2 at the waterproof protection wall 17, the aperture of the rear opening 2 at the reinforced concrete outer wall 11 is matched with the size of the wall penetrating pipe 3, and a flexible filling body and a first sealing body are filled in an annular cavity between the wall penetrating pipe 3 and the reinforced concrete outer wall 11 for waterproof treatment; the waterproof sleeve 4 is sleeved at one end of the through-wall pipe 3, which is positioned outside the reinforced concrete outer wall 11, and the waterproof sleeve 4 is embedded in the waterproof mortar structure 8 for waterproof treatment. Therefore, the utility model discloses effectively reduce reinforced concrete outer wall 11's the area of opening a hole to reduce the damage to the primary structure, effectively prevent basement outer wall 1 in the seepage scheduling problem of wall pipe 3 department moreover.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A waterproof structure of a through-wall pipe for a rear opening of a basement outer wall comprises the basement outer wall (1), the basement outer wall (1) sequentially comprises a reinforced concrete outer wall (11), an existing building leveling layer (12), an existing building waterproof layer structure and a waterproof protection wall (17) from inside to outside, the basement outer wall (1) is provided with a rear opening (2), the rear opening (2) is penetrated by a wall penetrating pipe (3), it is characterized in that the aperture of the rear opening hole (2) at the reinforced concrete outer wall (11) is smaller than the aperture of the rear opening hole (2) at the waterproof protection wall (17), a flexible filling body (21) is filled in an annular cavity between the wall penetrating pipe (3) and the reinforced concrete outer wall (11), a first sealing body (22) is arranged in an annular cavity between one end of the rear opening (2) close to the inner side of the reinforced concrete outer wall (11) and the wall penetrating pipe (3);
a waterproof sleeve (4) is sleeved at one end, located outside the reinforced concrete outer wall (11), of the through-wall pipe (3), a water stop protruding ring (41) is arranged on the outer peripheral wall of the waterproof sleeve (4), the waterproof sleeve (4) and the through-wall pipe (3) are fixedly connected together through a connecting assembly (5), a flexible support ring (31) is arranged in an annular cavity between the waterproof sleeve (4) and the through-wall pipe (3), and a second sealing body (32) is arranged in an annular cavity between one end, far away from the reinforced concrete outer wall (11), of the waterproof sleeve (4) and the through-wall pipe (3);
the outer side of reinforced concrete outer wall (11) is provided with a plurality of planting muscle (6), waterproof bushing (4) are located a plurality of in the regional scope that planting muscle (6) enclose, it is a plurality of planting muscle (6) encircle has annular stirrup (61), waterproof bushing (4) are poured outward and are buried underground waterproof mortar structure (8) of planting muscle (6) and annular stirrup (61).
2. The waterproof structure of the basement exterior wall rear opening wall penetrating pipe according to claim 1, wherein the connecting assembly (5) comprises a flange sleeve ring (51) sleeved on the wall penetrating pipe (3) and a flange outer convex ring (52) fixedly arranged on the periphery of the sleeve ring, the flange sleeve ring (51) extends into an annular cavity between one end, close to the reinforced concrete outer wall (11), of the waterproof sleeve (4) and the wall penetrating pipe (3), and the flange outer convex ring (52) and the water stop outer convex ring (41) are fixedly connected through a connecting piece.
3. The waterproof structure of the basement exterior wall back-holed wall-penetrating pipe as claimed in claim 2, wherein the connecting member comprises a connecting bolt (53), the flange outer convex ring (52) is provided with a first threaded hole, the water-stop outer convex ring (41) is provided with a second threaded hole, and the connecting bolt (53) is in threaded connection with the first threaded hole and the second threaded hole.
4. The waterproof structure for the through-wall pipe of the basement after the outer wall is holed according to claim 1, wherein the water-stop outer convex ring (41) is provided in plurality.
5. The waterproof structure of the basement exterior wall back-holed wall-penetrating pipe according to claim 1, wherein a water-swelling water stop ring (7) is arranged on the outer side of the reinforced concrete exterior wall (11), the wall-penetrating pipe (3) penetrates through the water-swelling water stop ring (7), and the water-swelling water stop ring (7) is located in an area range surrounded by the plurality of the steel bars (6).
6. The waterproof structure of the basement outer wall rear opening wall penetrating pipe as claimed in claim 1, wherein the area range surrounded by the plurality of the planting bars (6) is rectangular.
7. The basement exterior wall back-holed wall-penetrating pipe waterproof structure according to claim 1, wherein a rear waterproof layer structure (9) is arranged on the outer side of the waterproof mortar structure (8).
8. The basement exterior wall back-holed wall-penetrating pipe waterproof structure according to claim 7, wherein the rear waterproof layer structure (9) comprises a rear base layer treating agent layer (91), a first rear waterproof coating layer (92), a rear waterproof isolating layer (93) and a second rear waterproof coating layer (94) in sequence from inside to outside.
9. The waterproof structure of the through-wall pipe with the hole formed in the rear of the outer wall of the basement according to claim 1, wherein a supporting cushion layer (10) is arranged below the waterproof mortar structure (8), and the supporting cushion layer (10) sequentially comprises a plain soil compaction layer (101) and a plain concrete cushion layer (102) from bottom to top.
10. The waterproof structure for the basement exterior wall back-holed wall-penetrating pipe according to claim 1, characterized in that the flexible support ring (31) is provided in plurality.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922209321.3U CN211231881U (en) | 2019-12-10 | 2019-12-10 | Basement outer wall back-opening wall-penetrating pipe waterproof structure |
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CN201922209321.3U CN211231881U (en) | 2019-12-10 | 2019-12-10 | Basement outer wall back-opening wall-penetrating pipe waterproof structure |
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CN201922209321.3U Expired - Fee Related CN211231881U (en) | 2019-12-10 | 2019-12-10 | Basement outer wall back-opening wall-penetrating pipe waterproof structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113293805A (en) * | 2021-06-30 | 2021-08-24 | 中国一冶集团有限公司 | Embedded-free sleeve installation structure and sleeve installation method |
CN113530297A (en) * | 2021-07-30 | 2021-10-22 | 上海宝冶集团有限公司 | Construction method of rear-opening waterproof sleeve of roof or ground warehouse structural slab |
-
2019
- 2019-12-10 CN CN201922209321.3U patent/CN211231881U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113293805A (en) * | 2021-06-30 | 2021-08-24 | 中国一冶集团有限公司 | Embedded-free sleeve installation structure and sleeve installation method |
CN113293805B (en) * | 2021-06-30 | 2023-10-24 | 中国一冶集团有限公司 | Pre-buried-free sleeve mounting structure and sleeve mounting method |
CN113530297A (en) * | 2021-07-30 | 2021-10-22 | 上海宝冶集团有限公司 | Construction method of rear-opening waterproof sleeve of roof or ground warehouse structural slab |
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Granted publication date: 20200811 |