CN104458576A - Method for detecting waterproof performance of waterproof roll - Google Patents
Method for detecting waterproof performance of waterproof roll Download PDFInfo
- Publication number
- CN104458576A CN104458576A CN201510023492.0A CN201510023492A CN104458576A CN 104458576 A CN104458576 A CN 104458576A CN 201510023492 A CN201510023492 A CN 201510023492A CN 104458576 A CN104458576 A CN 104458576A
- Authority
- CN
- China
- Prior art keywords
- waterproof roll
- aqueduct
- leakage
- concrete
- test specimen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention relates to a method for detecting the waterproof performance of a waterproof roll. The method for detecting the waterproof performance of the waterproof roll comprises the following steps that (1) a through hole is pre-formed in the waterproof roll, the waterproof roll is placed on the bottom of an impervious mold, the lower ends of multiple water diversion pipes completely abut against the adhesive surface of the waterproof roll, then concrete is poured into the impervious mold, so that the concrete and the multiple water diversion pipes are poured onto the adhesive surface of the waterproof roll together, a test piece in a standard shape is formed, and demolding and maintenance are conducted under the standard condition, wherein the concrete is impervious concrete, and the upper end of each water diversion pipe stretches out of the upper surface of the concrete test piece; (2) the maintained test piece is placed in an impervious instrument, and if water seeps to the positions of the water diversion pipes gradually from the through hole and water flows out of the water diversion pipes under the specified pressure and time conditions, it is judged that the waterproof performance of the waterproof roll is not qualified. According to the method for detecting the waterproof performance of the waterproof roll, the detection process is quite visual, operation is easy, and implementation is convenient.
Description
Technical field
the present invention relates to a kind of detection method of leakage-proof performance of waterproof roll.
Background technology
as everyone knows, China's leakage of building rate remains high, and one of problem is exactly there is channeling water layer between water barrier and structural sheet.Once waterproof roll has a point to destroy, water can carry out seepage by breakdown point to basic unit, if this waterproof roll has good anti-channeling water-based, that need repair breakdown point place can solve leakage problems; And if waterproof roll and basic unit bond not good, then water can spread infiltration by breakdown point between coiled material and basic unit, causes large-area infiltration, and now needing to repair or re-start waterproof construction to whole face could solve seepage.Only be improved water-proof coiled material product and construction quality, make water barrier and structural sheet tight bond, eliminate channeling water passage, the fiduciary level of waterproof system could be improved.
therefore, waterproof roll is widely used in roof, construction wall and underground works as the flexible building material product of one, is the first barrier of whole engineering waterproofing, plays vital effect to whole engineering.Therefore the leakage-proof performance of waterproof roll is an important indicator of this product.
at present, the test method detecting the leakage-proof performance of waterproof roll in industry detects according to GB/T 23457-2009 " overlaying/wet paving waterproof roll ", concrete process is as follows: coiled material test specimen offers through hole, by pouring concrete on the bonding plane of coiled material test specimen, then impervious test piece is loaded concrete impervious instrument, be forced into concrete water-permeating or reach the test pressure of regulation, test findings is observed on coiled material bonding plane ooze out with or without open fire by being thrown off coiled material.
but in actual testing process, because closely knit concrete block and waterproof roll bond mutually, the pressure be subject at its adhesive surface each point place all from Anti-leakage instrument to unified force value, pressure differential is not produced between waterproof roll through hole and other position of adhesive surface, no matter the bonding of waterproof roll and concrete block how, is all difficult to occur channeling water phenomenon.Therefore this standard method is adopted cannot to detect the leakage-proof performance of waterproof roll.
Summary of the invention
technical matters to be solved by this invention overcomes the deficiencies in the prior art, a kind of detection method of leakage-proof performance of waterproof roll of improvement is provided, make to produce pressure differential between waterproof roll through hole and aqueduct, as long as there is preventing water phenomenon in aqueduct, the leakage-proof performance inconsistency lattice of waterproof roll can be judged, very intuitively.
for solving above technical matters, the present invention takes following technical scheme:
a detection method for the leakage-proof performance of waterproof roll, it comprises the following steps:
(1), waterproof roll is preset with through hole, and waterproof roll is placed on the bottom of impervious mould, then adopt the bottom of many aqueducts to conflict on the bonding plane of waterproof roll comprehensively, then concrete is poured in impervious mould, concrete is made to be cast on the bonding plane of waterproof roll together with Duo Gen aqueduct, form the test specimen of standard shape, then the demoulding at the standard conditions, maintenance, wherein concrete is water-tight concrete, waterproof roll is directly communicated with air by the upper surface that the upper end of every root aqueduct all passes concrete test block, and every distance between root aqueduct bottom and through hole is 1/4 ~ 3/4 of test specimen bottom surface radius,
(2), the test specimen after maintenance is put into Anti-leakage instrument, and under the pressure and time conditions of regulation, impervious detection is carried out to test specimen, because the cylinder contacts place bottom through hole and aqueduct exists water pressure difference, water can permeate to low-pressure place gradually from high pressure, once it is insecure to bond between waterproof roll and concrete, there is preventing water phenomenon in aqueduct, can judge the leakage-proof performance inconsistency lattice of waterproof roll.
preferably, the shape of waterproof roll is identical with test specimen bottom shape, and through hole is positioned at the center of waterproof roll, many aqueducts be distributed in through hole for the center of circle, with 1/4 ~ 3/4 of test specimen bottom surface radius for radius is formed circumferentially.
preferably, many aqueducts are all arranged perpendicular to the bonding plane of waterproof roll.
preferably, aqueduct has two, and be distributed in through hole for the center of circle, with 2/4 of test specimen bottom surface radius for radius is formed circumferentially.
specifically implement and preferred aspect according to one of the present invention, the forming process of test specimen also comprises employing inserted link and inserts in every root aqueduct, the upper end of aqueduct and emerge in the upper end of inserted link, then extract inserted link when the test specimen demoulding, wherein inserted link and aqueduct closely cooperate.
specifically implement and preferred aspect according to of the present invention another, above-mentioned detection method also comprises step (3), namely after aqueduct does not go out preventing water phenomenon, tear waterproof roll off, whether the bonding plane of further observation waterproof roll exists open fire, when bonding plane exists open fire, and do not alter to aqueduct from through hole, the leakage-proof performance inconsistency lattice of waterproof roll now; When open fire does not appear in bonding plane, the leakage-proof performance of waterproof roll is now qualified.
due to the enforcement of above technical scheme, the present invention compared with prior art tool has the following advantages:
waterproof roll is communicated with air by aqueduct by the present invention, makes to there is pressure differential between through hole and aqueduct, once preventing water phenomenon appears in aqueduct, can judge the leakage-proof performance inconsistency lattice of waterproof roll, very intuitively, simple to operate, and it is convenient to implement.
Accompanying drawing explanation
below in conjunction with accompanying drawing and concrete embodiment, the present invention will be further described in detail:
fig. 1 is the test specimen cross-sectional schematic of the detection method of leakage-proof performance of the present invention;
wherein: 1, waterproof roll; 10, through hole; 2, concrete test block; 3, aqueduct; 4, inserted link.
Embodiment
as shown in Figure 1, the detection test block of the present embodiment its mainly comprise be arranged in bottom waterproof roll 1, be cast in the concrete test block 2 on the bonding plane of waterproof roll 1 and be embedded in concrete test block 2 many aqueducts 3 and with the inserted link 4 being plugged in aqueduct 3 respectively, the wherein upper surface that bottom is conflicted on the bonding plane of waterproof roll 1 comprehensively, upper end passes concrete test block 2 respectively of inserted link 4 and aqueduct 3, wherein emerge aqueduct 3 in the upper end of inserted link 4, and inserted link 4 and aqueduct 3 closely cooperate.
in this example, the detection method of the leakage-proof performance of waterproof roll, it comprises the following steps: 1), detect the shaping of test specimen; 2), the detection of test specimen and the judgement of result; 3), compliance test result.
the forming process detecting test specimen in step 1) is as follows:
cutting waterproof roll 1 makes its shape identical with standard specimen bottom shape, then on waterproof roll 1, through hole 10 is preset with, and waterproof roll 1 is placed on the bottom of impervious mould, then adopt the bottom of many aqueducts 3 to conflict on the bonding plane of waterproof roll 1 comprehensively, then by every for the insertion of inserted link 4 correspondence root aqueduct 3, guarantee inserted link 4 and the bottom surface of aqueduct 3 and the bonding plane comprehensive engagement of waterproof roll 1, finally concrete is poured in impervious mould, concrete is cast on the bonding plane of waterproof roll 1 together with Duo Gen aqueduct 3, form the test specimen of standard shape, then the demoulding at the standard conditions, maintenance.
concrete shape as shown in Figure 1, upper surface diameter is 175mm, basal diameter is 185mm, be highly the frustum of 150mm, the correspondence demoulding at the standard conditions, maintenance refer to is placing the 24h demoulding in (20 ± 2) DEG C, extract the inserted link 4 in aqueduct 3, then by test specimen maintenance 28d under standard curing condition.
further, concrete seepage-resistant grade is greater than P6, through hole 10 is positioned at the center of waterproof roll 1, distance between every root aqueduct 3 bottom and through hole 10 is 1/4 ~ 3/4 of test specimen bottom surface radius, and many with aqueduct 3 be distributed in through hole 10 be the center of circle, with 1/4 ~ 3/4 of test specimen bottom surface radius for radius is formed circumferentially.
further, aqueduct 3 and inserted link 4 are all arranged perpendicular to the bonding plane of waterproof roll 1, and aqueduct 3 and inserted link 4 only have two, lay respectively at through hole 10 be the center of circle, with 2/4 of test specimen bottom surface radius for radius is formed circumferentially.
in this example, the aperture of through hole 10 is 10mm, the inner wall thickness 1 ~ 3mm of aqueduct 3.
step 2) in detect and the decision process of result as follows:
test specimen after maintenance in step 1) is put into impervious detector, the bottom surface of waterproof roll meets water, by aqueduct 3, waterproof roll is communicated with air, make through hole 10 there is pressure differential between aqueduct 10, its water can be altered, when being pressurized to 0.4MPa to aqueduct 3 place naturally, keep 24h, often pressurize 0.1MPa later, keeps 4h, be forced into authorised pressure value.If preventing water phenomenon appears in aqueduct 3, the leakage-proof performance inconsistency lattice of this waterproof roll 1 directly can be judged.
in step 3) after aqueduct does not go out preventing water phenomenon, tear described waterproof roll off, whether the bonding plane observing waterproof roll further exists open fire.When bonding plane exists open fire, and do not alter to described aqueduct from described through hole, the leakage-proof performance inconsistency lattice of waterproof roll now; When open fire does not appear in bonding plane, the leakage-proof performance of waterproof roll is now qualified.
in sum, the following obvious advantage that the detection method of the leakage-proof performance of the waterproof roll that the present embodiment is taked has: waterproof roll is communicated with air by aqueduct, make to produce pressure differential between through hole and aqueduct, guide current to flow to aqueduct by through hole.Once water is emerged from aqueduct, can judge that whether the leakage-proof performance of waterproof roll is qualified, shorten sense cycle, and testing result is very directly perceived, simple to operate, it is convenient to implement.
above to invention has been detailed description; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed in protection scope of the present invention.
Claims (6)
1. a detection method for the leakage-proof performance of waterproof roll, it comprises the following steps:
(1), on waterproof roll, through hole is preset with, and waterproof roll is placed on the bottom of impervious mould, then concrete is poured in impervious mould, make concreting on the bonding plane of waterproof roll, form the test specimen of standard shape, the then demoulding at the standard conditions, maintenance;
(2), by the test specimen after maintenance put into Anti-leakage instrument, and under the pressure and time conditions of regulation, impervious detection is carried out to test specimen;
It is characterized in that: in step (1) the forming process of described test specimen comprise adopt many aqueducts the bonding plane of described waterproof roll is communicated with air, then by concrete, many aqueducts are built shaping together with waterproof roll, wherein said concrete is water-tight concrete, described in every root, the upper end of aqueduct all passes the upper surface of concrete test block, and the distance described in every root between aqueduct bottom and described through hole is 1/4 ~ 3/4 of described test specimen bottom surface radius; In step (2), there is pressure differential by between described through hole and described aqueduct, water can be altered to aqueduct, once it is insecure to bond between waterproof roll and concrete, aqueduct just there will be preventing water phenomenon, can judge the leakage-proof performance inconsistency lattice of waterproof roll.
2. the detection method of the leakage-proof performance of waterproof roll according to claim 1, it is characterized in that: the shape of described waterproof roll is identical with described test specimen bottom shape, described through hole is positioned at the center of described waterproof roll, described many aqueducts be distributed in described through hole be the center of circle, with 1/4 ~ 3/4 of described test specimen bottom surface radius for radius is formed circumferentially.
3. the detection method of the leakage-proof performance of waterproof roll according to claim 1 and 2, is characterized in that: the aqueduct described in many is all arranged perpendicular to the bonding plane of described waterproof roll.
4. the detection method of the leakage-proof performance of waterproof roll according to claim 3, is characterized in that: described aqueduct has two, and be distributed in described through hole be the center of circle, with 2/4 of described test specimen bottom surface radius for radius is formed circumferentially.
5. the detection method of the leakage-proof performance of the waterproof roll according to claim 1 or 4, be characterised in that: the forming process of described test specimen also comprises employing inserted link and inserts in every root aqueduct, the upper end of described aqueduct and emerge in the upper end of inserted link, then extract described inserted link when the described test specimen demoulding, wherein said inserted link and described aqueduct closely cooperate.
6. the detection method of the leakage-proof performance of waterproof roll according to claim 1, be characterised in that: described detection method also comprises step (3), namely after described aqueduct does not go out preventing water phenomenon, tear described waterproof roll off, whether the bonding plane of further observation waterproof roll exists open fire, when bonding plane exists open fire, and do not alter to described aqueduct from described through hole, the leakage-proof performance inconsistency lattice of waterproof roll now; When open fire does not appear in bonding plane, the leakage-proof performance of waterproof roll is now qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023492.0A CN104458576B (en) | 2015-01-16 | 2015-01-16 | Method for detecting waterproof performance of waterproof roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023492.0A CN104458576B (en) | 2015-01-16 | 2015-01-16 | Method for detecting waterproof performance of waterproof roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104458576A true CN104458576A (en) | 2015-03-25 |
| CN104458576B CN104458576B (en) | 2017-04-19 |
Family
ID=52904987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510023492.0A Active CN104458576B (en) | 2015-01-16 | 2015-01-16 | Method for detecting waterproof performance of waterproof roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104458576B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651674A (en) * | 2016-01-06 | 2016-06-08 | 中国建材检验认证集团苏州有限公司 | Method for detecting water breakthrough performance of waterproof coiled material |
| CN107063965A (en) * | 2017-03-23 | 2017-08-18 | 上海市建筑科学研究院(集团)有限公司 | A kind of wide span house cap flexible waterproof layer construction and impervious experimental provision |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002048694A (en) * | 2000-08-01 | 2002-02-15 | Sekisui Chem Co Ltd | Test method for water permeability of constructional material |
| CN2556635Y (en) * | 2002-03-01 | 2003-06-18 | 北京科海利新型建筑材料开发有限公司 | Anti-leakage detector for water-proof material |
| CN201548477U (en) * | 2009-11-13 | 2010-08-11 | 广州市建筑材料工业研究所有限公司 | Impermeability test device for autoclaved foamed concrete bricks and building blocks |
| CN201740722U (en) * | 2010-06-22 | 2011-02-09 | 湖北省水利水电勘测设计院 | Measurement device for peel strength of composite lining material |
| EP2455738A2 (en) * | 2010-11-19 | 2012-05-23 | Askey Computer Corp. | Waterproofing test device and method |
-
2015
- 2015-01-16 CN CN201510023492.0A patent/CN104458576B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002048694A (en) * | 2000-08-01 | 2002-02-15 | Sekisui Chem Co Ltd | Test method for water permeability of constructional material |
| CN2556635Y (en) * | 2002-03-01 | 2003-06-18 | 北京科海利新型建筑材料开发有限公司 | Anti-leakage detector for water-proof material |
| CN201548477U (en) * | 2009-11-13 | 2010-08-11 | 广州市建筑材料工业研究所有限公司 | Impermeability test device for autoclaved foamed concrete bricks and building blocks |
| CN201740722U (en) * | 2010-06-22 | 2011-02-09 | 湖北省水利水电勘测设计院 | Measurement device for peel strength of composite lining material |
| EP2455738A2 (en) * | 2010-11-19 | 2012-05-23 | Askey Computer Corp. | Waterproofing test device and method |
Non-Patent Citations (1)
| Title |
|---|
| 朱志远: "《中华人民共和国国家标准》", 1 January 2010 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651674A (en) * | 2016-01-06 | 2016-06-08 | 中国建材检验认证集团苏州有限公司 | Method for detecting water breakthrough performance of waterproof coiled material |
| CN105651674B (en) * | 2016-01-06 | 2019-01-08 | 中国建材检验认证集团苏州有限公司 | A kind of detection method of the leakage-proof performance of waterproof roll |
| CN107063965A (en) * | 2017-03-23 | 2017-08-18 | 上海市建筑科学研究院(集团)有限公司 | A kind of wide span house cap flexible waterproof layer construction and impervious experimental provision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104458576B (en) | 2017-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204188490U (en) | A kind of roller compacted concrete interlayer anti-permeability performance proving installation | |
| CN106149764B (en) | A kind of precast assembly pipe gallery bell and spigot waterproof construction | |
| CN104999546B (en) | Grouted-aggregate concrete column test piece mould | |
| CN104033164A (en) | Method for solving disengagement and water seepage of internal arch of tunnel | |
| CN105651674B (en) | A kind of detection method of the leakage-proof performance of waterproof roll | |
| WO2021189932A1 (en) | Plugging method | |
| CN104849196A (en) | Device and method for measuring water permeability coefficient of asphalt pavement | |
| CN206143827U (en) | Underground works crack repairing structure | |
| CN104458576A (en) | Method for detecting waterproof performance of waterproof roll | |
| CN103696571A (en) | Method and system for spraying and maintaining wall structure | |
| CN103015400A (en) | Efficient quick method for treating separated directly-connected vacuum preloaded foundation | |
| CN112524390A (en) | Municipal pipeline UV lining method in-situ curing repair construction method | |
| CN101832905A (en) | Key sealing method in test for testing grade of concrete impermeability | |
| CN103048173A (en) | Method for making asphalt mixture test piece and testing internal water seepage performance thereof | |
| CN110685256B (en) | Structure using hydropower station pressure pipeline construction branch tunnel as maintenance channel and construction method | |
| CN105486848A (en) | Method for detecting water resistance of tunnel rubber waterstop | |
| CN204492745U (en) | Between monitoring two-layer compound Shaft Linings, hydraulic pressure is to determine the device of best time for injecting | |
| CN104235552B (en) | A kind of locking hood type leakage-baffling device leaked for gas pipe line base cradle | |
| CN202500153U (en) | Integral ribbed plastic inspection well | |
| CN110485730A (en) | Reinforcing bar grouting connector grouting material plugging device | |
| CN202559321U (en) | Diversion tunnel plug concrete drainage pipe device | |
| CN203855977U (en) | Underground piping flow-diversion and pressure-reduction treatment device | |
| CN205046659U (en) | Prosthetic devices is consolidated to drainage pipe inspection shaft | |
| CN107991211A (en) | A kind of irregular sample coefficient of permeability tester of difference hydraulic condition and test method | |
| CN110243691B (en) | System and method for testing seepage-proof composite geomembrane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |