CN106226220A - A kind of detection method of the leakage-proof performance of waterproof roll - Google Patents
A kind of detection method of the leakage-proof performance of waterproof roll Download PDFInfo
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- CN106226220A CN106226220A CN201610675226.0A CN201610675226A CN106226220A CN 106226220 A CN106226220 A CN 106226220A CN 201610675226 A CN201610675226 A CN 201610675226A CN 106226220 A CN106226220 A CN 106226220A
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- waterproof roll
- leakage
- test specimen
- proof performance
- mounting seat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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Abstract
The present invention relates to the detection method of the leakage-proof performance of a kind of waterproof roll, it comprises the following steps: (1), be preset with through hole on waterproof roll, then on waterproof roll, pour mortar block form test specimen, the demoulding maintenance, the area that wherein waterproof roll is to be detected is more than or equal to the area of the installed surface of Anti-leakage instrument test specimen mounting seat, and between waterproof roll and mounting seat, seal setting, the impermeability of mortar block is more than self subjected to stress, and the floor space of mortar block is less than the installed surface area of Anti-leakage instrument test specimen mounting seat；(2), the test specimen after maintenance is put on Anti-leakage instrument, waterproof roll face meets water, and under the pressure and time conditions of regulation, observes whether waterproof roll has water to ooze out with mortar block bond edge at any time, infiltration once occurs, i.e. can determine that the leakage-proof performance of waterproof roll is defective.The present invention also solves on the premise of producing pressure differential during guarantee test that sample preparation is loaded down with trivial details, test specimen is heavy, poor repeatability, low success rate of problem.
Description
Technical field
The present invention relates to the detection method of the leakage-proof performance of a kind of waterproof roll.
Background technology
It is known that China's leakage of building rate remains high, one of problem is exactly to exist between waterproof layer and structure sheaf to alter
Water layer.Once waterproof roll has a point to destroy, and water can carry out seepage by breakdown point to basic unit, if this waterproof roll
Having preferable anti-channeling aqueous, that need to be repaired and can solve leakage problems at breakdown point；And if waterproof roll bonds with basic unit
The best, then water can spread infiltration by breakdown point between coiled material and basic unit, causes large-area infiltration, now needs whole
Face carries out repairing or re-start waterproof construction could solve seepage.Only it is improved water-proof coiled material product and construction quality, makes to prevent
Water layer and structure sheaf tight bond, eliminate channeling water passage, could improve the reliability of waterproof system.
Therefore, waterproof roll is widely used in roof, construction wall and underground engineering as a kind of flexible building material product,
It is the first barrier of whole engineering waterproofing, whole engineering is played vital effect.Therefore the anti-channeling aqueous of waterproof roll
It can be an important indicator of this product.
But, overlaying class waterproof roll is the unique prefabricated waterproof roll being bonded on cast concrete.Overlay waterproof
The development of coiled material, solves in the waterproofing protection of underground engineering structure base plate is constructed, the bonding of structure and waterproof roll and
The problems such as engineering site laying water-proof coiled material and cast structural concrete.The attraction overlaying class waterproof roll maximum is and structure
Concrete realizes full viscous, forms skin-type waterproof, effectively prevents channeling water phenomenon, improves the reliability of waterproofing work.Therefore, in advance
The Key Performance Indicator that leakage-proof performance is such material of paving class waterproof roll.
At present, the detection method overlaying class waterproof roll leakage-proof performance is " pre-according to product standard GB/T23457-2009
Paving/wet-laying waterproof roll " require to carry out, detailed process is: offer through hole on coiled material test specimen, and concrete is cast in coiled material examination
On the bonding plane of part, then impervious test piece is loaded concrete impervious instrument, uses in the middle of impervious test piece and concrete impervious instrument mould
Paraffin seals, and is forced into concrete water-permeating or reaches the test pressure of regulation, and result of the test is observed by throwing off coiled material
Ooze out with or without open fire on waterproof roll bonding plane.
But, fully seal between impervious test piece and impervious mould, at concrete sample and coiled material test specimen adhesive surface each point
Suffered pressure be all from Anti-leakage instrument to unified force value, nothing between waterproof roll through hole and other position of adhesive surface
Method produces pressure differential, and no matter the bonding of waterproof roll and concrete block how, is all difficult to channeling water phenomenon occur.Therefore this mark is used
Quasi-method cannot detect the leakage-proof performance of waterproof roll.
Summary of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, it is provided that the waterproof roll of a kind of improvement
The detection method of leakage-proof performance, produces during guarantee test and also solves that sample preparation is loaded down with trivial details, test specimen on the premise of pressure differential
Heaviness, poor repeatability, low success rate of problem.
For solving above technical problem, the present invention adopts the following technical scheme that:
A kind of method of the leakage-proof performance of waterproof roll, it comprises the following steps:
(1), prefabricated test specimen, on waterproof roll, be first preset with through hole, on waterproof roll, then pour formation standard shape
Test specimen, the simultaneously demoulding at the standard conditions, maintenance；Or on waterproof roll, first pour the test specimen forming standard shape,
Standard conditions bottom knockout, maintenance, on waterproof roll, punching forms through hole subsequently；
(2), the test specimen after maintenance is put on Anti-leakage instrument, and under the pressure and time conditions of regulation, test specimen is carried out impervious
Detection；
Particularly, the area that waterproof roll is to be detected in step (1) is more than or equal to the installed surface of Anti-leakage instrument test specimen mounting seat
Area, and between waterproof roll and mounting seat seal arrange, test specimen includes being positioned at the waterproof roll of bottom, being cast in waterproof volume
Mortar block on material, wherein the impermeability of mortar block is more than self subjected to stress, and the floor space of mortar block is less than impervious
The installed surface area of instrument test specimen mounting seat；In step (2), waterproof roll face meets water, and pressurizes and keeps a period of time, seeing at any time
Examine whether waterproof roll has water to ooze out with mortar block bond edge, infiltration once occurs, i.e. can determine that the leakage-proof of waterproof roll
Performance is defective.
Preferably, in step (2), the installation process of test specimen have employed jig, the setting of jig prevent
Test specimen is floated by relatively connecting seat during water slug.
One according to the present invention is embodied as and preferred aspect, the round platform that mortar block becomes larger in external diameter from top to bottom
Shape, positioning sleeve that jig includes being set in described mortar block periphery, the bottom being arranged on described positioning sleeve are anti-with described
Oozing instrument test specimen mounting seat and fix the connection seat of connection, wherein the inner chamber of positioning sleeve is block-shaped with mortar and size is the most identical, connects
Seat is provided with installing hole.
Preferably, waterproof roll area to be detected is equal to the area of the installed surface of described mounting seat, and described waterproof
The periphery of coiled material be provided with described installing hole one_to_one corresponding distribution dodge breach, in step (2) by bolt part through peace
Dress hole, dodge breach and threaded mutually with mounting seat.
Preferably, a diameter of 70mm in mortar block upper surface, a diameter of 80mm in lower surface, a height of 30mm.
Preferably, through hole is positioned at the center of described waterproof roll.
Another according to the present invention is embodied as and preferred aspect, is pressurized to 0.4MPa in step (2), keeps 24h,
The most often pressurize 0.1MPa, keeps 4h, observes whether waterproof roll has water to ooze out with edge, mortar bonding face at any time.
Preferably, the impermeability pressure of mortar block is more than or equal to 0.8MPa.
Preferably, the described test specimen demoulding, then maintenance under cement standard curing condition after (20 ± 2) DEG C place 24h
7d～28d.
Additionally, waterproof roll and mounting seat equal diameters are 130mm.Valve rubber is passed through between waterproof roll and mounting seat
Circle seals, the wherein a diameter of 90mm of rubber washer.
Due to the enforcement of above technical scheme, the present invention compared with prior art has the advantage that
The present invention selects small sand lumps, and compared with large-sized concrete block, sample preparation is convenient, and uniformity is good, and test repeatability is high.Cut out
The waterproof roll test specimen taken is more than or equal to mortar Anti-leakage instrument base, eliminates employing paraffin and seals concrete block and impervious mould
Between space the step for while be equivalent to introduce the aqueduct of a whole circle at coiled material surface, not only can ensure that will not be because of
Water source, bottom flows into the erroneous judgement causing result from test specimen edge, moreover it is possible to ensure that test specimen produces pressure differential in process of the test.
Detailed description of the invention
The detection test block of the present embodiment its mainly include being positioned at the waterproof roll of bottom, be cast in the bonding plane of waterproof roll
On mortar block.
The diameter of waterproof roll and the equal diameters of Anti-leakage instrument base, be 130mm.Mortar block in external diameter from top to bottom by
Big round table-like of gradual change, and a diameter of 70mm in mortar block upper surface, a diameter of 80mm in lower surface, a height of 30mm；Mortar block simultaneously
Impermeability pressure more than or equal to 0.8MPa.
In this example, the detection method of the leakage-proof performance of waterproof roll, it comprises the following steps: 1), detection test specimen pre-
Make type；2), the detection of test specimen and the judgement of result.
The forming process detecting test specimen in step 1) is as follows:
Cutting waterproof roll and make the equal diameters of its shape and Anti-leakage instrument base, then the center at waterproof roll is preset with logical
Hole, then the upper surface at waterproof roll pours the mortar block of above-mentioned specification and intensity, after (20 ± 2) DEG C place 24h
The demoulding, then maintenance 7d～28d under cement standard curing condition.
Or first pour the mortar block of above-mentioned specification and intensity at waterproof roll upper surface, place in (20 ± 2) DEG C
The demoulding after 24h, then maintenance 7d～28d under cement standard curing condition, on waterproof roll, punching forms through hole subsequently.
Step 2) in detection and the decision process of result as follows:
Being put in impervious detector by test specimen after maintenance in step 1), and use jig, concrete, jig includes
The connection being connected is fixed, with Anti-leakage instrument test specimen mounting seat, in the positioning sleeve being set in mortar block periphery, the bottom being arranged on positioning sleeve
Seat, wherein the inner chamber of positioning sleeve is block-shaped with mortar and size is the most identical, connects seat and is provided with installing hole, meanwhile, waterproof roll
Periphery be provided with installing hole one_to_one corresponding distribution dodge breach, then use bolt part through installing hole, dodge breach with
Mounting seat is mutually threaded.
Then, the bottom surface of waterproof roll meets water, and pressurizes and keeps a period of time, observes waterproof roll at any time and glues with mortar block
Whether knot edge has water to ooze out, and infiltration once occurs, i.e. can determine that the leakage-proof performance of waterproof roll is defective.
Concrete, when being pressurized to 0.4MPa, keep 24h, the most often pressurize 0.1MPa, keeps 4h, is forced into authorized pressure
Value.If whether waterproof roll has water to ooze out with mortar block bond edge, can directly judge the leakage-proof performance of this waterproof roll not
Qualified.
Additionally, in this example, sealed by rubber washer between waterproof roll and mounting seat, wherein rubber washer is a diameter of
90mm。
In sum, the detection method of the leakage-proof performance of the waterproof roll that the present embodiment is taked have following substantially
Advantage:
The present invention selects small sand lumps, and compared with large-sized concrete block, sample preparation is convenient, and uniformity is good, and test repeatability is high.Cut out
The waterproof roll test specimen taken is more than or equal to mortar Anti-leakage instrument base, eliminates employing paraffin and seals concrete block and impervious mould
Between space the step for while be equivalent to introduce the aqueduct of a whole circle at coiled material surface, not only can ensure that will not be because of
Water source, bottom flows into the erroneous judgement causing result from test specimen edge, moreover it is possible to ensure that test specimen produces pressure differential in process of the test.
Above the present invention is described in detail, its object is to allow the personage being familiar with this art will appreciate that this
Invention content and be carried out, can not limit the scope of the invention with this, all spirit institutes according to the present invention
The equivalence change made or modification, all should contain in protection scope of the present invention.
Claims (10)
1. a method for the leakage-proof performance of waterproof roll, it comprises the following steps:
(1), prefabricated test specimen, on waterproof roll, be first preset with through hole, on waterproof roll, then pour formation standard shape
Test specimen, the simultaneously demoulding at the standard conditions, maintenance；Or on waterproof roll, first pour the test specimen forming standard shape,
Standard conditions bottom knockout, maintenance, on waterproof roll, punching forms through hole subsequently；
(2), the test specimen after maintenance is put on Anti-leakage instrument, and under the pressure and time conditions of regulation, test specimen is carried out impervious
Detection；
It is characterized in that: the area that waterproof roll is to be detected in step (1) is more than or equal to the peace of Anti-leakage instrument test specimen mounting seat
The area in dress face, and between waterproof roll and mounting seat, seal setting, described test specimen includes being positioned at the waterproof roll of bottom, pouring
Mortar block on described waterproof roll, the impermeability of wherein said mortar block is more than self subjected to stress, and mortar block
Floor space less than the installed surface area of Anti-leakage instrument test specimen mounting seat；In step (2), waterproof roll face meets water, and pressurizes and protects
Hold a period of time, observe whether waterproof roll has water to ooze out with mortar block bond edge at any time, infiltration once occurs, i.e. can determine that
The leakage-proof performance of waterproof roll is defective.
The detection method of the leakage-proof performance of waterproof roll the most according to claim 1, it is characterised in that: in step (2)
The installation process of middle test specimen have employed jig, the setting of described jig prevent described test specimen by water slug
Time the most described connection seat floating.
The detection method of the leakage-proof performance of waterproof roll the most according to claim 2, it is characterised in that: described mortar
It is round table-like that block becomes larger in external diameter from top to bottom, and described jig includes the location being set in described mortar block periphery
The connection seat being connected is fixed, with described Anti-leakage instrument test specimen mounting seat, in the bottom overlapping, being arranged on described positioning sleeve, wherein said fixed
The inner chamber of position set is block-shaped with described mortar and size is the most identical, and described connection seat is provided with installing hole.
The detection method of the leakage-proof performance of waterproof roll the most according to claim 3, it is characterised in that: described waterproof volume
Material area to be detected is equal to the area of the installed surface of described mounting seat, and is provided with and described peace at the periphery of described waterproof roll
What dress hole one_to_one corresponding was distributed dodges breach, is passed described installing hole by bolt part, is dodged breach with described in step (2)
Mounting seat is mutually threaded.
The detection method of the leakage-proof performance of waterproof roll the most according to claim 3, it is characterised in that: described mortar
The a diameter of 70mm in block upper surface, a diameter of 80mm in lower surface, a height of 30mm.
The detection method of the leakage-proof performance of waterproof roll the most according to claim 1, it is characterised in that: described through hole
It is positioned at the center of described waterproof roll.
The detection method of the leakage-proof performance of waterproof roll the most according to claim 1, it is characterised in that: in step (2)
In be pressurized to 0.4MPa, keep 24h, the most often pressurize 0.1MPa, keeps 4h, observes waterproof roll and limit, mortar bonding face at any time
Whether edge has water to ooze out.
The detection method of the leakage-proof performance of waterproof roll the most according to claim 1, it is characterised in that: described mortar block
Impermeability pressure more than or equal to 0.8MPa.
The detection method of the leakage-proof performance of waterproof roll the most according to claim 1, it is characterised in that: described test specimen exists
(20 ± 2) DEG C place the demoulding, then maintenance 7d～28d under cement standard curing condition after 24h.
The detection method of the leakage-proof performance of waterproof roll the most according to claim 1, it is characterised in that: described waterproof
Coiled material and mounting seat equal diameters are 130mm, are sealed by rubber washer, Qi Zhongsuo between described waterproof roll and mounting seat
The a diameter of 90mm of rubber washer stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675226.0A CN106226220A (en) | 2016-08-17 | 2016-08-17 | A kind of detection method of the leakage-proof performance of waterproof roll |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675226.0A CN106226220A (en) | 2016-08-17 | 2016-08-17 | A kind of detection method of the leakage-proof performance of waterproof roll |
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| CN106226220A true CN106226220A (en) | 2016-12-14 |
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| CN201610675226.0A Pending CN106226220A (en) | 2016-08-17 | 2016-08-17 | A kind of detection method of the leakage-proof performance of waterproof roll |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155557A (en) * | 2021-01-27 | 2021-07-23 | 中国建材检验认证集团苏州有限公司 | Waterproof coiled material seam water impermeability detection method |
-
2016
- 2016-08-17 CN CN201610675226.0A patent/CN106226220A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155557A (en) * | 2021-01-27 | 2021-07-23 | 中国建材检验认证集团苏州有限公司 | Waterproof coiled material seam water impermeability detection method |
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Application publication date: 20161214 |