CN109707176A - A kind of swimming pool brick layer infiltration method for repairing and constructing and device - Google Patents

A kind of swimming pool brick layer infiltration method for repairing and constructing and device Download PDF

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Publication number
CN109707176A
CN109707176A CN201811485216.6A CN201811485216A CN109707176A CN 109707176 A CN109707176 A CN 109707176A CN 201811485216 A CN201811485216 A CN 201811485216A CN 109707176 A CN109707176 A CN 109707176A
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China
Prior art keywords
swimming pool
jointing agent
breakthrough
water
adhesive layer
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CN201811485216.6A
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Chinese (zh)
Inventor
陈文俊
潘慧卫
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Shanghai Construction No 5 Group Co Ltd
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Shanghai Construction No 5 Group Co Ltd
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Priority to CN201811485216.6A priority Critical patent/CN109707176A/en
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Abstract

The present invention provides a kind of swimming pool brick layer infiltration method for repairing and constructing and device, belong to building decoration technology field, are to provide a kind of short time limit, the swimming pool brick layer infiltration method for maintaining that expense is low, pollution is few.The device includes cutting tool, leakage detection tool and fix tool;Swimming pool is filled to by this method first to be flooded at pond bank 2/3, and the breakthrough of waste canal is looked for and record;Then leakage detection is carried out according to the breakthrough of record, cuts the jointing agent at each breakthrough until exposing adhesive layer, and continue to blow into adhesive layer, until bubble occurs in swimming pool inner wall, each point for bubble occur is recorded as permeation site;It is finally discharged water according to the most deep permeation site at record position, water level is put to bottom of pond bottom of pond, and construction personnel enters in swimming pool, cuts the jointing agent of permeation site surrounding, and fill up plugging mortar, closely knit with jointing agent;Net swimming pool fills water after jointing agent solidification, if repairing without infiltration phenomenon to the breakthrough at waste canal.

Description

A kind of swimming pool brick layer infiltration method for repairing and constructing and device
Technical field
The present invention relates to building decoration technology fields, and in particular to a kind of swimming pool brick layer infiltration method for repairing and constructing and dress It sets.
Background technique
Swimming pool is injected water into pond after the completion of patch block conserves by professional unit, at this moment often at the furrow bank of waste canal The phenomenon that seeping water causes water circulating apparatus constantly to operate, and causes energy waste.
In general, the processing mode for leakage includes: first is that injecting glue method reparation, this recovery technique are often used in building In structure.Advantage is to facilitate, and the repairing construction time is short, but disadvantage has after reparation it is also obvious that as effect is held time shorter Yellow liquid exudation causes facing pollution etc..Structure sheaf is gone to second is that the decorative brick face of bulk portion is all removed, is then being tied Again the repairing construction that waterproof carries out decorative cover again is smeared on structure layer, though can thoroughly solve the problems, such as leakage in this way, is done past It is longer toward the repairing construction period, it brings inconvenience to the use of owner.
For this phenomenon, need that a kind of short time limit, expense is low and reduces the swimming pool brick layer of water pollution infiltration maintenance side Case.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering Recognize or imply in any form that the information is the prior art well known to persons skilled in the art when being considered as.
Summary of the invention
The object of the present invention is to provide a kind of swimming pool brick layer infiltration method for repairing and constructing and devices, find leakage by observation After point, without removing architectural surface, it is only necessary to be cut to the jointing agent of stitching portion between adjacent architectural surface, then pass through painting It smears leak stopping proprietary material to be blocked, finally the jointing agent of defect is repaired, can both save the time, use simultaneously in this way Proprietary material be non-toxic material, can in water use will not to water body generate pollute, human body will not be damaged.
To achieve the goals above, the technical scheme is that
A kind of swimming pool brick layer infiltration method for repairing and constructing, this method comprises the following steps:
Step 1: searching breakthrough
Swimming pool construct complete and by checking and accepting after, filled the water into pond, at the water submerged pond bank 2/3 until, at this time Quiet it need to put for 1 week, whether the waste canal for during which appointing special messenger irregularly to observe swimming pool surrounding has the phenomenon that infiltration, if there is The phenomenon that infiltration, marks in brick face, records each breakthrough;
Step 2: finding permeation site in swimming pool
It is marked according to breakthrough ready-made in waste canal and carries out leakage detection, cut the jointing agent at each breakthrough until exposing Adhesive layer, and continue to blow into adhesive layer, until bubble occurs in swimming pool inner wall, each point for bubble occur is recorded as seeping Access point;
Step 3: repairing construction
It is discharged water according to the most deep permeation site at record position, water level is put to bottom of pond, and is carried by construction personnel and repaired dress Set and enter in swimming pool, brickwork joint agent is carried out according to the permeation site of precedence record and is cut, the jointing agent of each permeation site surrounding into Row is cut, and plugging mortar is filled up into brickwork joint, filling up for jointing agent is carried out again after plugging mortar is dry, until closely knit;
It is examined Step 4: repairing
Water, then all breakthroughs of observational record are filled into swimming pool after jointing agent solidifies completely whether there are also leaking, such as Without infiltration phenomenon, then the jointing agent cut in waste canal is repaired.
Compared with prior art, the present invention is beneficial has the technical effect that
1, swimming pool brick layer infiltration method for repairing and constructing provided by the invention, swimming pool is filled to by it first floods pond bank 2/3 Place observes the waste canal of swimming pool surrounding, finds breakthrough and record;Then it is looked into according to the breakthrough marked at waste canal Leakage cuts the jointing agent at each breakthrough until exposing adhesive layer, and continues to blow into adhesive layer, until swimming pool inner wall goes out Existing bubble, each point for bubble occur are recorded as permeation site;Finally discharged water according to the most deep permeation site at record position, water level It puts to bottom of pond, construction personnel enters in swimming pool, cuts the jointing agent of permeation site surrounding, and fill up plugging mortar, close with jointing agent It is real;Net swimming pool fills water after jointing agent solidification, if repairing without infiltration phenomenon to the breakthrough at waste canal.This is applied Work method is energy-saving without cutting finish coat, shortens repair time, reduces construction manpower consumption, while having saved and having built The generation of building refuse, used jointing agent and plugging mortar are non-toxic material, will not pollute water body in swimming pool.
2, device is repaired in swimming pool brick layer infiltration provided by the invention, including cuts tool, leakage detection tool and fix tool, is operated Simplicity, construction personnel only need common hand-operated tools, have preferably promotional value.
Further, the method blown in the step 2 includes that gas injection needle is inserted into adhesive layer, and gas injection needle passes through rubber Leather hose is connect with air pump, is opened air pump and is stepped up pressure.By being blown into gas into adhesive layer, if having infiltration at swimming pool inner wall Access point, then during air blowing, the inner wall at permeation site will appear bubble.It is stepped up pressure, is persistently blown to adhesive layer, It observes swimming pool inner wall and constantly continues the position of bubbling, and recording the position is permeation site.
Further, the method that permeation site is recorded in the step 2 includes: that record swimming pool inner wall bubble point place occurs Coordinate, coordinate unit length be swimming pool finish coat side length.That is, it is contemplated that swimming pool inboard wall outer surface posts facing Layer, usually tapestry brick, the size of finish coat are fixed, therefore can be by number laterally with the quantity of vertical tapestry brick come really Determine the bubble point i.e. coordinate of permeation site.
Further, cutting length along the jointing agent of permeation site surrounding in the step 3 is 5cm, and cutting depth is about 2cm.In order to ensure repairing sufficiently, guarantee that repairing quality, the jointing agent in the brickwork joint of the surrounding of each permeation site are both needed to cut, directly To adhesive layer is exposed, moreover, the length very depth that four direction is cut vertically and horizontally, which is both needed to meet, repairs centered on permeation site It is multiple to require, it is subject to and slightly destroys adhesive layer, thus in the case where reducing the destruction to original swimming pool inner wall as far as possible, it is maximum Guarantee subsequent construction convenience and repairing quality.
It further, need to be by swimming pool inner water emptying when being repaired in the step 3.Due to checking the leakage of swimming pool waste canal When point, the built-in water of swimming pool and water floods at pond bank 2/3, thus when repairing the permeation site of swimming pool inner wall, need by Pool inner water emptying, to stop the construction for cutting operating space and repair materials and maintenance space.
Further, the filling thickness of the plugging mortar is 8mm~10mm.Certainly, it is contemplated that swimming pool is in use process In to fill water be normality, hydraulic pressure is bigger, and in order to guarantee to repair plugging effect, the thickness of plugging mortar will meet design requirement.
The present invention also provides a kind of swimming pool brick layer infiltration prosthetic devices, it includes:
Tool is cut, the tool that cuts includes " a word tool " and hammer, can cut swimming by the tool that cuts The jointing agent at jointing agent and swimming pool inner wall permeation site at the waste canal breakthrough of pond exposes adhesive layer;
Leakage detection tool, in use, need at water submerged pond bank 2/3, the leakage detection tool includes air pump and gas injection needle, described Gas injection needle is connect by rubber tube with the air pump, and the adhesive layer at the gas injection needle and swimming pool waste canal breakthrough, which is inserted into, to be connected It connects, open air pump and increases pressure, the permeation site of swimming pool inner wall is enabled to bubble occur;And
Fix tool, the fix tool include plugging mortar and jointing agent, the plugging mortar be set to breakthrough and The outside of adhesive layer forms plugging mortar layer at permeation site, and the jointing agent is used for closely knit plugging mortar layer.By cut tool, Leakage detection tool and fix tool are used cooperatively, without cutting the finish coat of breakthrough at swimming pool waste canal, without cutting swimming Finish coat at the inner wall permeation site of pond can cut portion to the brickwork joint of permeation site surrounding after finding permeation site and marking Point jointing agent smears plugging mortar to adhesive layer, closely knit with jointing agent, and the reparation to the infiltration of swimming pool brick layer can be completed.
Further, the swimming pool pool wall successively includes structure sheaf, waterproof protective layer, adhesive layer and finish coat, wherein Jointing agent is filled between adjacent finish coat at brickwork joint.That is, there is no waterproof measure at adhesive layer, finish coat and adhesive layer it Between also without waterproof measure, the brickwork joint between finish coat passes through jointing agent and fills.
Further, the finish coat on swimming pool pool wall top is made by anti-skid brick.In order to guarantee swimming pool in use, The walking safety of user of service, the finish coat on swimming pool pool wall top need to be made of anti-skid brick.
Detailed description of the invention
Leakage detection tool uses schematic diagram in the prosthetic device that Fig. 1 seeps water for swimming pool brick layer in one embodiment of the invention;
Fig. 2 is the structural schematic diagram of swimming pool inner wall in swimming pool brick layer infiltration method for repairing and constructing in one embodiment of the invention.
In figure:
11- structure sheaf;12- waterproof protective layer;13- adhesive layer;14- finish coat;21- plugging mortar layer;22- dense layer; 31- air pump;32- gas injection needle;33- rubber tube;40- waste canal.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to swimming pool brick layer proposed by the present invention infiltration method for repairing and constructing and device It is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.It should be noted It is that attached drawing is all made of very simplified form and using non-accurate ratio, only to facilitate, lucidly aid in illustrating this hair The purpose of bright embodiment.For sake of convenience, "upper" described below, "lower" are consistent with the upper and lower direction of attached drawing, but this is not The limitation of technical solution of the present invention can be become.
Embodiment one
Below with reference to Fig. 1 and Fig. 2, the structure composition for the swimming pool brick layer infiltration prosthetic device that the present invention will be described in detail.
Fig. 1 and Fig. 2 are please referred to, swimming pool brick layer infiltration prosthetic device, it includes the tool that cuts, leakage detection tool and reparation work Tool, the tool that cuts include " a word tool " and hammer, can cut hook at 40 breakthrough of swimming pool waste canal by cutting tool The jointing agent at agent and swimming pool inner wall permeation site is stitched, adhesive layer 13 is exposed;Leakage detection tool is in use, need water to flood pond bank 2/ At 3, leakage detection tool includes air pump 31 and gas injection needle 32, and gas injection needle 32 is connect by rubber tube 33 with air pump 31, gas injection needle 32 and Adhesive layer 13 at 40 breakthrough of swimming pool waste canal is inserted into connection, opens air pump 31 and increases pressure, enables to swimming pool inner wall Permeation site there is bubble;Fix tool includes plugging mortar and jointing agent, and plugging mortar is set at breakthrough and permeation site The outside of adhesive layer forms plugging mortar layer 21, and jointing agent is used for closely knit plugging mortar layer 21, to form dense layer 22.Pass through Being used cooperatively for tool, leakage detection tool and fix tool is cut, without cutting the finish coat 14 of breakthrough at swimming pool waste canal 40, It, can be after finding permeation site and marking, to permeation site four without the finish coat 14 cut at swimming pool inner wall permeation site The brickwork joint in week cuts part jointing agent to adhesive layer 13, and smears plugging mortar, closely knit with jointing agent, can be completed to swimming pool brick The reparation of layer infiltration.
In the present embodiment, it is highly preferred that swimming pool pool wall successively includes structure sheaf 11, waterproof protective layer 12, adhesive layer 13 And finish coat 14, wherein fill jointing agent between adjacent finish coat 14 at brickwork joint.That is, not preventing at adhesive layer 13 Water measure, also without waterproof measure between finish coat 14 and adhesive layer 13, the brickwork joint between finish coat 14 passes through jointing agent and fills.
In the present embodiment, it is highly preferred that the finish coat 14 on swimming pool pool wall top is made by anti-skid brick.In order to guarantee In use, the walking of user of service is safe, the finish coat 14 on swimming pool pool wall top needs to be made of anti-skid brick swimming pool.
Embodiment two
Please continue to refer to Fig. 1 and Fig. 2, the present embodiment additionally provides a kind of swimming pool brick layer infiltration method for repairing and constructing, the party Method includes the following steps:
Step 1: searching breakthrough
Swimming pool construct complete and by checking and accepting after, filled the water into pond, at the water submerged pond bank 2/3 until, at this time Quiet it need to put for 1 week, whether the waste canal 40 for during which appointing special messenger irregularly to observe swimming pool surrounding has the phenomenon that infiltration, if gone out The phenomenon that now seeping water marks in brick face, records each breakthrough;
Step 2: finding permeation site in swimming pool
It is marked according to breakthrough ready-made in waste canal 40 and carries out leakage detection, cut the jointing agent at each breakthrough until dew Adhesive layer 13 out, and continue to blow into adhesive layer 13, until there is bubble in swimming pool inner wall, each point note for bubble occur Record is permeation site;
Step 3: repairing construction
It is discharged water according to the most deep permeation site at record position, water level is put to bottom of pond, and is carried by construction personnel and repaired dress Set and enter in swimming pool, brickwork joint agent is carried out according to the permeation site of precedence record and is cut, the jointing agent of each permeation site surrounding into Row is cut, and plugging mortar is filled up into brickwork joint, filling up for jointing agent is carried out again after plugging mortar is dry, until closely knit;
It is examined Step 4: repairing
Water, then all breakthroughs of observational record are filled into swimming pool after jointing agent solidifies completely whether there are also leaking, such as Without infiltration phenomenon, then the jointing agent cut in waste canal 40 is repaired.
In conclusion swimming pool brick layer infiltration prosthetic device through this embodiment carries out infiltration construction, with traditional reparation side Formula is compared, and at least has following advantage:
First is that shortening repair time from repairing efficiency and at originally, having saved repair materials and construction material, reduce The generation of building waste needs at least seven working day with tradition reparation, worker is about 4~6 people by taking 50 meters of swimming pool as an example It compares, 2 workers is only needed using the method for the present embodiment, material only needs jointing agent and plugging mortar, without mortar, decoration Many repair materials such as face brick waterproof material;
Second is that from the point of view of labor intensity, traditional repair mode needs to prepare the electric hand tools such as electric hammer, electronic box, and this reality Only need " a word tool " and hammer as common hand-operated tools in the prosthetic device applied.
In the present embodiment, it is highly preferred that the method blown in step 2 includes the insertion gas injection needle 32 into adhesive layer 13, Gas injection needle 32 is connect by rubber tube 33 with air pump 31, is opened air pump 31 and is stepped up pressure.By being blown into adhesive layer 13 Enter gas, if having permeation site at swimming pool inner wall, during air blowing, the inner wall at permeation site will appear bubble.Gradually increase Plus-pressure is persistently blown to adhesive layer 13, and observation swimming pool inner wall constantly continues the position of bubbling, and records the position to penetrate into Point.
In the present embodiment, it is highly preferred that the method for recording permeation site in step 2 includes: that record swimming pool inner wall gas occurs Coordinate where bubble point, coordinate unit length are the side length of swimming pool finish coat 14.That is, it is contemplated that swimming pool inboard wall outer surface Finish coat 14 is posted, usually tapestry brick, the size of finish coat 14 is fixed, therefore can and vertical decorative cover lateral by number The quantity of brick determines the bubble point i.e. coordinate of permeation site.
In the present embodiment, it is highly preferred that cutting length along the jointing agent of permeation site surrounding in step 3 is 5cm, chisel Except depth is 2cm.In order to ensure repairing sufficiently, guarantee that repairing quality, the jointing agent in the brickwork joint of the surrounding of each permeation site are equal It need to cut, until exposing adhesive layer 13, moreover, the length that four direction is cut vertically and horizontally is very deep centered on permeation site Degree is both needed to meet reparation requirement, is subject to and slightly destroys adhesive layer 13, to break reducing as far as possible to original swimming pool inner wall In the case where bad, utmostly guarantee subsequent construction convenience and repairing quality.
In the present embodiment, pool inner water need to be emptied when it is highly preferred that being repaired in step 3.Due to checking swimming pool waste canal When 40 breakthrough, the built-in water of swimming pool and water floods at pond bank 2/3, thus repair the permeation site of swimming pool inner wall when It waits, needs to empty pool inner water, to stop the construction for cutting operating space and repair materials and maintenance space.
In the present embodiment, it is highly preferred that the filling thickness of plugging mortar is 8mm~10mm in plugging mortar layer 21.When So, it is contemplated that it is normality that swimming pool fills water in use, and hydraulic pressure is bigger, in order to guarantee to repair plugging effect, leak stopping sand The thickness of pulp layer 21 will meet design requirement.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention.Ability Any change, the modification that the technical staff in domain does according to the disclosure above content, belong to scope of protection of the claims.

Claims (9)

  1. The method for repairing and constructing 1. a kind of swimming pool brick layer seeps water, which comprises the steps of:
    Step 1: searching breakthrough
    Swimming pool construct complete and by checking and accepting after, filled the water into pond, at the water submerged pond bank 2/3 until, need at this time quiet Put for 1 week, whether the waste canal for during which appointing special messenger irregularly to observe swimming pool surrounding has the phenomenon that infiltration, if there is infiltration The phenomenon that, it is marked in brick face, records each breakthrough;
    Step 2: finding permeation site in swimming pool
    It is marked according to breakthrough ready-made in waste canal and carries out leakage detection, cut the jointing agent at each breakthrough until exposing bonding Layer, and continue to blow into adhesive layer, until bubble occurs in swimming pool inner wall, each point for bubble occur is recorded as penetrating into Point;
    Step 3: repairing construction
    According to record position most deep permeation site discharge water, water level is put to bottom of pond, and by construction personnel carry prosthetic device into Enter in swimming pool, cutting for brickwork joint agent is carried out according to the permeation site of precedence record, the jointing agent of each permeation site surrounding is dug It removes, plugging mortar is filled up into brickwork joint, filling up for jointing agent is carried out again after plugging mortar is dry, until closely knit;
    It is examined Step 4: repairing
    Water, then all breakthroughs of observational record are filled into swimming pool after jointing agent solidifies completely whether there are also leaking, such as without infiltration Water phenomenon then repairs the jointing agent cut in waste canal.
  2. 2. the method according to claim 1, wherein the method blown in the step 2 includes into adhesive layer It is inserted into gas injection needle, gas injection needle is connect by rubber tube with air pump, is opened air pump and is stepped up pressure.
  3. 3. the method according to claim 1, wherein the method for recording permeation site in the step 2 includes: note There is the coordinate where bubble point in record swimming pool inner wall, and coordinate unit length is the side length of swimming pool finish coat.
  4. 4. the method according to claim 1, wherein being dug in the step 3 along the jointing agent of permeation site surrounding Except length is 5cm, cutting depth is about 2cm.
  5. 5. the method according to claim 1, wherein need to be by swimming pool inner water emptying when being repaired in the step 3.
  6. 6. the method according to claim 1, wherein the filling thickness of the plugging mortar is 8mm~10mm.
  7. The prosthetic device 7. a kind of swimming pool brick layer seeps water, which is characterized in that it includes:
    Cut tool, the tool that cuts includes " a word tool " and hammer, by it is described cut tool and can cut swimming pool overflow The jointing agent at jointing agent and swimming pool inner wall permeation site at the breakthrough of ditch exposes adhesive layer;
    Leakage detection tool, in use, needing at water submerged pond bank 2/3, the leakage detection tool includes air pump and gas injection needle, the gas injection Needle is connect by rubber tube with the air pump, and the adhesive layer at the gas injection needle and swimming pool waste canal breakthrough, which is inserted into, to be connected, and is beaten It opens air pump and increases pressure, the permeation site of swimming pool inner wall is enabled to bubble occur;And
    Fix tool, the fix tool include plugging mortar and jointing agent, and the plugging mortar is set to breakthrough and infiltration The outside of adhesive layer forms plugging mortar layer at point, and the jointing agent is used for closely knit plugging mortar layer.
  8. 8. device according to claim 7, which is characterized in that the swimming pool pool wall successively includes structure sheaf, waterproofing protection Layer, adhesive layer and finish coat, wherein fill jointing agent between adjacent finish coat at brickwork joint.
  9. 9. device according to claim 8, which is characterized in that the finish coat on swimming pool pool wall top is made by anti-skid brick It forms.
CN201811485216.6A 2018-12-06 2018-12-06 A kind of swimming pool brick layer infiltration method for repairing and constructing and device Pending CN109707176A (en)

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Application Number Priority Date Filing Date Title
CN201811485216.6A CN109707176A (en) 2018-12-06 2018-12-06 A kind of swimming pool brick layer infiltration method for repairing and constructing and device

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Application Number Priority Date Filing Date Title
CN201811485216.6A CN109707176A (en) 2018-12-06 2018-12-06 A kind of swimming pool brick layer infiltration method for repairing and constructing and device

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CN109707176A true CN109707176A (en) 2019-05-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113529867A (en) * 2021-07-16 2021-10-22 宁波磐固工程技术有限公司 Concrete pond safety inspection structure

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Publication number Priority date Publication date Assignee Title
CA2282087A1 (en) * 1998-09-15 2000-03-15 James A. Westhoff Manhole step insert for preventing seepage during manufacture of a cast member and to provide a step insert having increased structural and holding strength
CN1991325A (en) * 2005-12-29 2007-07-04 中国民用航空学院 Aeroplane oil box leakage source checking device
CN101949755A (en) * 2010-09-16 2011-01-19 中建八局第一建设有限公司 Method for detecting quality of waterproof layer of rolled roofing material in inflatable manner
CN103195282A (en) * 2013-04-02 2013-07-10 中广核工程有限公司 Novel industrial pool and construction method for same
CN107449559A (en) * 2017-09-13 2017-12-08 苏州热工研究院有限公司 A kind of helium leakage inspection method for pond stainless steel clad can in nuclear power generating sets control zone
CN108625618A (en) * 2018-06-21 2018-10-09 成都益鸟科技有限公司 It is a kind of not tear brick quick service method open for the rupture infiltration of toilet warterproof layer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2282087A1 (en) * 1998-09-15 2000-03-15 James A. Westhoff Manhole step insert for preventing seepage during manufacture of a cast member and to provide a step insert having increased structural and holding strength
CN1991325A (en) * 2005-12-29 2007-07-04 中国民用航空学院 Aeroplane oil box leakage source checking device
CN101949755A (en) * 2010-09-16 2011-01-19 中建八局第一建设有限公司 Method for detecting quality of waterproof layer of rolled roofing material in inflatable manner
CN103195282A (en) * 2013-04-02 2013-07-10 中广核工程有限公司 Novel industrial pool and construction method for same
CN107449559A (en) * 2017-09-13 2017-12-08 苏州热工研究院有限公司 A kind of helium leakage inspection method for pond stainless steel clad can in nuclear power generating sets control zone
CN108625618A (en) * 2018-06-21 2018-10-09 成都益鸟科技有限公司 It is a kind of not tear brick quick service method open for the rupture infiltration of toilet warterproof layer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113529867A (en) * 2021-07-16 2021-10-22 宁波磐固工程技术有限公司 Concrete pond safety inspection structure

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