CN209760629U - Just put local seepage maintenance structure in formula roofing pipe root position - Google Patents
Just put local seepage maintenance structure in formula roofing pipe root position Download PDFInfo
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- CN209760629U CN209760629U CN201822266886.0U CN201822266886U CN209760629U CN 209760629 U CN209760629 U CN 209760629U CN 201822266886 U CN201822266886 U CN 201822266886U CN 209760629 U CN209760629 U CN 209760629U
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- 238000012423 maintenance Methods 0.000 title claims abstract description 64
- 239000010410 layer Substances 0.000 claims abstract description 194
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 238000004321 preservation Methods 0.000 claims abstract description 25
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 7
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 7
- 239000011083 cement mortar Substances 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model belongs to the technical field of the steel-concrete structure seepage is administered, concretely relates to local seepage maintenance structure in positive formula roofing pipe root position, include: the first heat preservation layer is positioned on the structural base layer and provided with a maintenance hole in the center; a pipeline is vertically arranged in the center of the maintenance hole; the second insulating layer is nested in the maintenance hole outside the pipeline; the waterproof coating is coated on the pipe wall of the pipeline, the upper surface of the structural base layer, the contact surface of the first heat-insulating layer and the second heat-insulating layer and the upper surface of the first heat-insulating layer; a first waterproof roll layer laid on the first heat-insulating layer; the second waterproof roll layer is attached to the second insulating layer, one end of the second waterproof roll layer is attached to the pipe wall of the pipeline, and the other end of the second waterproof roll layer is attached between the first waterproof roll layer and the waterproof coating; and a protective layer. The utility model discloses a set up waterproof coating and the waterproof roll material layer of second and separate maintenance area territory and non-maintenance area territory, avoid ponding series flow, and then avoided the root of pipe position to take place the seepage, local maintenance duration is short, with low costs simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the steel-concrete structure seepage is administered, concretely relates to local seepage maintenance structure in positive formula roofing pipe root position.
Background
Waterproof and heat preservation are factors which must be considered in the current building design, and are an important index for comprehensively considering the building comfort, and most of the current buildings adopt the upright roof structure for considering waterproof and heat preservation. The positive roofing structure of putting includes the waterproof layer, makes level and looks for slope layer, heat preservation etc. wherein, and the waterproof layer sets up in the top of heat preservation for the waterproof layer can compromise the waterproof of roofing structure and heat preservation simultaneously, avoids heat preservation ponding to reduce the heat preservation effect of roofing. However, the structure also has certain defects that when the roof leaks, the heat-insulating layer can generate a 'water leakage' phenomenon, namely leakage water can flow in the heat-insulating layer, so that a leakage point moves; and because the roof pipeline mostly penetrates through the structural floor slab, the leakage water flowing in the heat insulation layer is easy to accumulate at the pipe root part, and further the indoor leakage points are mostly concentrated at the pipe root part. For the maintenance of the leakage problem that specific leakage points cannot be found, in order to ensure that the leakage problem can be solved, the waterproof maintenance mostly adopts a mode of integrally reinstalling the roof. The mode is long in maintenance time, the indoor space cannot be normally occupied during construction, the whole repair is carried out again, materials need to be prepared again, labor needs to be consumed, and the construction cost is high.
Therefore, to above not enough, the utility model discloses urgent need provides a local seepage maintenance structure in positive formula roofing pipe root position to solve the problem that present roofing pipe root position seepage maintenance method cost is high and the engineering time is long.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an upright formula roofing pipe root position local seepage maintenance structure to solve among the prior art roofing pipe root position seepage maintenance cost high and the long problem of engineering time.
The utility model provides a positive formula roofing pipe root position local seepage maintenance structure, include: the first heat preservation layer is positioned on the structural base layer, and a maintenance hole is formed in the center of the first heat preservation layer; a pipeline is vertically arranged in the center of the maintenance hole; the second insulating layer is nested in the maintenance hole outside the pipeline; the waterproof coating is coated on the pipe wall of the pipeline, the upper surface of the structural base layer, the contact surface of the first heat-insulating layer and the second heat-insulating layer and the upper surface of the first heat-insulating layer; the first waterproof roll layer is laid on the upper surface of the first heat-insulating layer; the second waterproof roll layer is attached to the upper surface of the second heat-insulating layer, one end of the second waterproof roll layer is attached to the pipe wall of the pipeline, and the other end of the second waterproof roll layer is located between the first waterproof roll layer and the waterproof coating and attached to the first waterproof roll layer and the waterproof coating; and the protective layer is paved above the first waterproof roll layer and the second waterproof roll layer.
The upright roof pipe root part local leakage maintenance structure further preferably comprises a waterproof additional layer, the waterproof additional layer is arranged between the second waterproof roll material layer and the protective layer, and one end of the waterproof additional layer covers the second waterproof roll material layer on the pipeline.
In the above-mentioned structure for repairing local leakage at the root of an upright roof pipe, it is further preferable that the first waterproof roll layer, the second waterproof roll layer and the waterproof additional layer are all formed by paving SBS waterproof rolls.
In the above-mentioned structure for repairing local leakage at the root of the upright roof pipe, it is further preferable that the number of layers of the waterproof roll in the second waterproof roll layer and the waterproof additional layer is not less than two.
The above-mentioned local leakage repairing structure for the root part of the upright roof pipe further preferably further comprises a circular hoop, wherein the circular hoop is sleeved on the pipeline and is suitable for fastening the end part of the additional waterproof layer.
The upright roof pipe root part local leakage maintenance structure further preferably comprises a sealing ring, and the sealing ring is arranged at the connecting position of the waterproof additional layer and the pipeline.
The upright roof pipe root part local leakage maintenance structure further preferably comprises a leveling slope layer, wherein the leveling slope layer is arranged between the second heat insulation layer and the second waterproof roll layer.
In the above-mentioned local leakage repair structure for the root of the upright roof pipe, it is further preferable that the radius of the repair hole is 1-1.5 m.
In the above-mentioned local leakage repairing structure for the root of the upright roof pipe, it is further preferable that the height of the circular hoop relative to the protective layer is not less than 250 mm.
Compared with the prior art, the utility model has the following advantage:
the utility model effectively separates the lower parts of a maintenance area and a non-maintenance area by arranging the waterproof coating and the second waterproof coil material layer in the maintenance hole chiseled off the original roof structure, wherein the waterproof coating is coated on the pipe wall of the pipeline, the upper surface of the structure base layer, the contact surface of the first heat preservation layer and the second heat preservation layer and the upper surface of the first heat preservation layer; the second waterproof coiled material layer is attached to the upper surface of the second heat-insulating layer, one end of the second waterproof coiled material layer is attached to the pipe wall of the pipeline, the other end of the second waterproof coiled material layer is positioned between the first waterproof coiled material layer and the waterproof coating and is attached to the first waterproof coiled material layer and the waterproof coating, the maintenance area of the roof and the upper part of the non-maintenance area are effectively separated, the edges of the upper part and the lower part of the roof are sealed, namely the maintenance area and the non-maintenance area are effectively separated through the waterproof coating and the second waterproof coiled material layer, so that even if the non-maintenance area leaks, accumulated water cannot flow between the first heat-insulating layer and the second heat-insulating layer in series and flow to the root part of the pipe, and further the root part of the pipe is prevented from leaking; simultaneously the utility model provides a seepage maintenance structure is local maintenance, and maintenance duration is shorter, engineering cost is also relatively lower, is a high-quality structure of solving the infiltration of pipe root position.
Drawings
fig. 1 is the structure schematic diagram of the utility model discloses well positive-placed roofing pipe root position local seepage maintenance structure.
Description of reference numerals:
1-structural base layer, 2-cement mortar layer, 3-waterproof coating, 4-first waterproof roll layer, 5-second waterproof roll layer, 6-first heat preservation layer, 7-second heat preservation layer, 8-waterproof additional layer, 9-leveling slope finding layer, 10-circular hoop, 11-pipeline and 12-protective layer.
Detailed Description
the technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model discloses in the root of a pipe be pipeline 11 and be close to the lower part region of structure basic unit 1.
As shown in fig. 1, the upright roof pipe root local leakage repairing structure disclosed in this embodiment includes: the first heat preservation layer 6 is positioned on the structural base layer 1, and a maintenance hole is formed in the center of the first heat preservation layer 6; a pipeline 11 is vertically arranged at the center of the maintenance hole; the second heat-insulating layer 7 is nested in the maintenance hole outside the pipeline 11; the waterproof coating 3 is coated on the pipe wall of the pipeline 11, the upper surface of the structural base layer 1, the contact surface between the first heat-insulating layer 6 and the second heat-insulating layer 7 and the upper surface of the first heat-insulating layer 6; the first waterproof roll layer 4 is laid on the upper surface of the first heat-insulating layer 6; the second waterproof roll material layer 5 is attached to the upper surface of the second heat-insulating layer 7, one end of the second waterproof roll material layer 5 is attached to the pipe wall of the pipeline 11, and the other end of the second waterproof roll material layer 5 is located between the first waterproof roll material layer 4 and the waterproof coating 3 and is attached to the first waterproof roll material layer 4 and the waterproof coating 3; and the protective layer 12 is paved above the first waterproof roll layer 4 and the second waterproof roll layer 5 through the protective layer 12.
As shown in fig. 1, in the above structure, the repair hole is a hole surrounded by the first heat insulating layer 6 after removing the original roof structure at the pipe root part to the structure base layer 1, wherein the removed structure includes, but is not limited to, an original protective layer, an original waterproof layer, an original heat insulating layer, an original leveling and slope finding layer, and the removed structure includes the first heat insulating layer 6 and the first waterproof roll material layer 4; the maintenance hole in this embodiment uses the structure base 1 as the bottom surface, uses the first heat preservation 6 as the side wall, and when rejecting, after guaranteeing to try hard to guarantee the smooth rejection of maintenance hole side wall, need clear up the bottom surface and the side wall of maintenance hole, make it level and smooth, solid, do not have sharp angle, floating dust and bright water, when necessary, still need adopt cement mortar to repair and level the maintenance hole, make it form complete plane, form cement mortar layer 2 promptly. In order to ensure the construction quality, the radius of the maintenance hole is 1-1.5m, and in this embodiment, the maintenance hole covers a circular area which takes the pipeline 11 as the center of a circle and takes 1.5m as the radius.
And then, brushing the waterproof coating 3 to coat the waterproof coating on the pipe wall of the pipeline 11, the upper surface of the structural base layer 1, the contact surface of the first heat-insulating layer 6 and the second heat-insulating layer 7 and the upper surface of the first heat-insulating layer 6. During construction, the thickness of the waterproof coating 3 is determined according to the severity of water leakage at the root of the pipe, and is generally 1.5mm to 5mm, preferably 2mm in this embodiment. And then, constructing a second heat-insulating layer 7, wherein the structure of the second heat-insulating layer 7 is the same as that of the first heat-insulating layer 6, the materials are the same, the construction process is the same, and the second heat-insulating layer and the first heat-insulating layer can be correspondingly spliced.
The construction on second waterproof roll material layer 5 is carried out again after the construction of second heat preservation 6 finishes, in this embodiment, second waterproof roll material layer 5 with the upper surface laminating of second heat preservation 7, just the one end on second waterproof roll material layer 5 is pasted on the pipe wall of pipeline 11, the other end is located first waterproof roll material layer 4 with between waterproof coating 3, and with first waterproof roll material layer 4 waterproof coating 3 laminates. Preferably, in this embodiment, the width of the first waterproof roll layer 4 overlapped with the second waterproof roll layer 5 is 300 mm. It should be noted that, when the overlap width is small, the seeped water is easy to directly seep from the overlap position, and in order to prevent the seeping situation, the overlapping width of the first waterproof roll layer 4 and the second waterproof roll layer 5 should be not less than 300 mm.
And finally, constructing the protective layer 12 to form a whole with the original roof structure.
The utility model effectively separates the lower parts of a maintenance area and a non-maintenance area by arranging the waterproof coating 3 and the second waterproof coil material layer 5 in the maintenance hole chiseled off the original roof structure, wherein the waterproof coating 3 is coated on the pipe wall of the pipeline 11, the upper surface of the structure base layer 1, the contact surface of the first heat preservation layer 6 and the second heat preservation layer 7 and the upper surface of the first heat preservation layer 6; the second waterproof roll material layer 5 is attached to the upper surface of the second heat-insulating layer 7, one end of the second waterproof roll material layer 5 is attached to the pipe wall of the pipeline 11, the other end of the second waterproof roll material layer is located between the first waterproof roll material layer 4 and the waterproof coating 3 and is attached to the first waterproof roll material layer 4 and the waterproof coating 3, the upper portion of a roof maintenance area and the upper portion of a non-maintenance area are effectively separated, the edges of the upper portion and the lower portion of the roof maintenance area are sealed, namely the maintenance area and the non-maintenance area are effectively separated through the waterproof coating 3 and the second waterproof roll material layer 5, so that even if the non-maintenance area leaks, accumulated water cannot flow between the first heat-insulating layer 6 and the second heat-insulating layer 7 in a streaming manner and flow to the pipe root part, and further the leakage of the pipe; simultaneously the utility model provides a seepage maintenance structure is local maintenance, and maintenance duration is shorter, engineering cost is also relatively lower, is a high-quality structure of solving the infiltration of pipe root position.
As shown in fig. 1, the upright roof pipe root local leakage repairing structure disclosed in this embodiment further includes a waterproof additional layer 8, the waterproof additional layer 8 is disposed between the second waterproof roll layer 5 and the protective layer 12, and one end of the waterproof additional layer 8 covers the second waterproof roll layer 5 on the pipe root. In this embodiment, waterproof additional layer 8's one end upwards extends and stretches out protective layer 12, and the other end laminating is in on the waterproof roll of second layer 5, be suitable for the root of pipe position at pipeline 11 to have set up third waterproof construction, prevent ponding from in root of pipe position direct infiltration to substructure.
As shown in fig. 1, in the structure for repairing local leakage at the root of an upright roof pipe disclosed in this embodiment, a circular hoop 10 is further included, and the circular hoop 10 is sleeved on the pipe root and located at an end of the additional waterproof layer 8. The circular hoop 10 is adapted to fasten the additional waterproof layer adhered to the root portion of the pipe to secure the adhesive strength. In this embodiment, the circular hoop 10 is in the shape of an open ring, and the open part is provided with a bolt and a nut for fastening, which are suitable for corresponding clamping. For the waterproof intensity of further strengthening waterproof additional layer 8, still include the sealing washer in this embodiment, the sealing washer sets up waterproof additional layer 8 with the hookup location department of pipeline 11 to avoid water to permeate from the position between waterproof additional layer 8 and the pipeline 11. Preferably, the height of the circular hoop 10 relative to the protective layer 12 is not less than 250 mm.
As shown in fig. 1, in this embodiment, the first waterproof roll layer 4, the second waterproof roll layer 5 and the additional waterproof layer 8 are made of SBS waterproof roll material. And preferably, the number of the waterproof coiled material layers in the second waterproof coiled material layer 5 and the waterproof additional layer 8 is not less than two. The SBS waterproof coiled material is a curled sheet waterproof coiled material which is prepared by taking asphalt with styrene-butadiene-styrene (SBS) thermoplastic elastomer as a modifier as a dipping and coating material and covering the upper surface with a polyethylene film, fine sand, a mineral sheet (particle) material or an isolation material such as an aluminum foil, a copper foil and the like. The SBS waterproof roll used in the example was purchased from a waterproof roll of the east Rainbow brand with the model of SBS I PY PE 3.
As shown in fig. 1, in the local leakage maintenance structure of the upright roof pipe root disclosed in this embodiment, a leveling and slope finding layer 9 is further included, the leveling and slope finding layer 9 is disposed between the second heat insulating layer 7 and the second waterproof roll layer 5, and the thickness and the gradient of the leveling and slope finding layer 9 are consistent with the original leveling and slope finding layer 9 of the original roof structure. When the maintenance structure is arranged, the structural level in the upright type roof pipe root part local leakage maintenance structure in the embodiment is consistent with the structural level of the original roof structure, and the thickness, the gradient, the material and the like of the structural level corresponding to the original roof structure in the embodiment are also consistent.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. the utility model provides a local seepage maintenance structure in positive formula roofing root of pipe position which characterized in that includes:
the first heat preservation layer is positioned on the structural base layer, and a maintenance hole is formed in the center of the first heat preservation layer; a pipeline is vertically arranged in the center of the maintenance hole;
The second insulating layer is nested in the maintenance hole outside the pipeline;
The waterproof coating is coated on the pipe wall of the pipeline, the upper surface of the structural base layer, the contact surface of the first heat-insulating layer and the second heat-insulating layer and the upper surface of the first heat-insulating layer;
The first waterproof roll layer is laid on the upper surface of the first heat-insulating layer;
The second waterproof roll layer is attached to the upper surface of the second heat-insulating layer, one end of the second waterproof roll layer is attached to the pipe wall of the pipeline, and the other end of the second waterproof roll layer is located between the first waterproof roll layer and the waterproof coating and attached to the first waterproof roll layer and the waterproof coating;
And the protective layer is paved above the first waterproof roll layer and the second waterproof roll layer.
2. The structure of maintaining local leakage at the root of an upright roofing pipe according to claim 1, further comprising an additional waterproof layer disposed between the second layer of waterproof roll material and the protective layer, one end of the additional waterproof layer covering the second layer of waterproof roll material on the pipe.
3. The structure of claim 2, wherein the first, second and additional waterproof layers are made of SBS waterproof coiled material.
4. The structure for repairing local leakage at the root of an upright roof pipe as claimed in claim 3, wherein the number of the waterproof roll layers in the second waterproof roll layer and the additional waterproof layer is not less than two.
5. the structure for repairing localized leakage at the root of an upright roofing pipe as claimed in claim 3, further comprising a circular hoop, said circular hoop being fitted over said pipe and adapted to fasten the end of said additional layer of waterproof material.
6. The structure for repairing local leakage at the root part of the upright roof pipe according to claim 5, further comprising a sealing ring, wherein the sealing ring is arranged at the connecting position of the additional waterproof layer and the pipeline.
7. The structure for maintaining local leakage at the root of an upright roofing pipe according to claim 6, further comprising a leveling and slope-finding layer disposed between the second insulating layer and the second waterproof roll layer.
8. the structure for repairing localized leakage at the root of an upright roof pipe as claimed in claim 7, wherein the radius of the repair hole is 1-1.5 m.
9. The structure for repairing partial leakage at the root of an upright roof pipe as claimed in claim 8, wherein the width of the joint of the first waterproof roll layer and the second waterproof roll layer is not less than 300 mm.
10. The structure for repairing localized leakage at the root of an upright roofing pipe as claimed in claim 9, wherein the height of the circular hoop relative to the protective layer is not less than 250 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266886.0U CN209760629U (en) | 2018-12-29 | 2018-12-29 | Just put local seepage maintenance structure in formula roofing pipe root position |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266886.0U CN209760629U (en) | 2018-12-29 | 2018-12-29 | Just put local seepage maintenance structure in formula roofing pipe root position |
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| CN209760629U true CN209760629U (en) | 2019-12-10 |
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| CN201822266886.0U Active CN209760629U (en) | 2018-12-29 | 2018-12-29 | Just put local seepage maintenance structure in formula roofing pipe root position |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364698A (en) * | 2020-03-14 | 2020-07-03 | 山西四建集团有限公司 | Waterproof strengthening process of SBS waterproof coiled material at root of roofing pipeline |
| CN113323428A (en) * | 2020-11-17 | 2021-08-31 | 广东良实机电工程有限公司 | Construction method for additionally building pipeline well by opening hole on existing roof |
| CN115306174A (en) * | 2022-08-04 | 2022-11-08 | 中铁建设集团北京工程有限公司 | Renovating structure and renovating method for water passing hole of roof |
-
2018
- 2018-12-29 CN CN201822266886.0U patent/CN209760629U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364698A (en) * | 2020-03-14 | 2020-07-03 | 山西四建集团有限公司 | Waterproof strengthening process of SBS waterproof coiled material at root of roofing pipeline |
| CN113323428A (en) * | 2020-11-17 | 2021-08-31 | 广东良实机电工程有限公司 | Construction method for additionally building pipeline well by opening hole on existing roof |
| CN115306174A (en) * | 2022-08-04 | 2022-11-08 | 中铁建设集团北京工程有限公司 | Renovating structure and renovating method for water passing hole of roof |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240710 Address after: 101300 Room 102, 1st Floor, Building 5, Yard A2, Shaling Section, Shunping Road, Shunyi District, Beijing Patentee after: Beijing Hongtong Engineering Survey Co.,Ltd. Country or region after: China Address before: 101309 Sha Ling section 2, Shunping Road, Shunyi District, Beijing Patentee before: BEIJING ORIENTAL YUHONG WATERPROOF ENGINEERING Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |