CN206223613U - Concrete anti-seepage test piece sleeve and anti-permeability performance detection means - Google Patents
Concrete anti-seepage test piece sleeve and anti-permeability performance detection means Download PDFInfo
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- CN206223613U CN206223613U CN201621226822.2U CN201621226822U CN206223613U CN 206223613 U CN206223613 U CN 206223613U CN 201621226822 U CN201621226822 U CN 201621226822U CN 206223613 U CN206223613 U CN 206223613U
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- Prior art keywords
- test piece
- concrete
- piece sleeve
- impervious
- seepage test
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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
Abstract
The utility model discloses a kind of concrete anti-seepage test piece sleeve, the concrete anti-seepage test piece sleeve is hollow structure, and microdilatancy sealant is provided between the hollow wall and impervious test piece of the hollow structure.Microdilatancy sealant is between impervious test piece and impervious test piece set, microdilatancy is produced in process of the test, increase the binding force to test specimen, ensure that the tight seal of impervious test piece and impervious test piece set, effectively reduce impervious test piece periphery infiltration situation, lift-off seal effect, operation is simple, it is environmentally safe without heating.
Description
Technical field
The utility model is related to construction material detection technology field, especially a kind of concrete anti-seepage test piece sleeve and impermeability
Can detection means.
Background technology
Concrete is the artificial building materials being widely used under construction, for some buildings, it is desirable to which building is used
Concrete there is specific anti-permeability performance.Concrete impervious instrument is mainly used in experiment and the anti-penetration grade of concrete impermeability
Measure, while it can also be used does measure and the quality examination of construction material gas permeability, therefore be widely used in producing, apply
The field such as work, design, teaching and research.Traditional Anti-leakage instrument carries impervious test piece set, and concrete impervious test piece is pressed into impervious test piece set
It is preceding, it is necessary to smear sealant on the lateral surface of impervious test piece, the purpose for smearing sealant be make the lateral surface of impervious test piece with
Impervious test piece set inwall is fully sealed, and makes it be not in the phenomenon of marginal seepage in detection applies Hydraulic Process.Traditional
The method of conventional smearing sealant is：Smeared with the melting obtained mixture of paraffin and rosin or with triangular knife by butter and talcum
Powder mixture is equably scratched in impervious test piece lateral surface.The easy leak when water filling is pressurizeed of this kind of encapsulant, success of the test rate
It is relatively low, and this kind of material needed by that could be used after high temperature melting, and cumbersome, paraffin has been decomposited in heating process
Evil Substances Pollution environment, influence operating personnel's is healthy.
Utility model content
Based on this, the utility model is the defect for overcoming prior art, there is provided a kind of concrete anti-seepage test piece sleeve and anti-
Ooze device for detecting performance.
Its technical scheme is as follows：
A kind of concrete anti-seepage test piece sleeve, the concrete anti-seepage test piece sleeve is hollow structure, in the hollow structure
Microdilatancy sealant is provided between empty inwall and impervious test piece.Microdilatancy sealant covers it located at impervious test piece and impervious test piece
Between, microdilatancy, binding force of the increase to test specimen, it is ensured that impervious test piece is tight with what impervious test piece covered are produced in process of the test
Sealing, effectively reduce impervious test piece periphery infiltration situation, lift-off seal effect, operation is simple, without heating, to ring
Border is pollution-free.
Wherein in one embodiment, the concrete anti-seepage test piece sleeve is hollow cylindrical structure.Impervious test piece set
The low wide and up narrow frustum cone structure of tradition is replaced using the upper circumference cylindrical structure consistent with lower circumference, in existing building,
Without the core sample of live drill core be poured, the demoulding and maintenance, simplify the rework process of sampling concrete core sample, it is convenient
The operation of testing staff, mitigates the labour intensity of testing staff, it also avoid because of test operation, and core sample is impervious with cast-in-place concrete
Difference between property and cause result of the test distortion or failure；Simultaneously because core sample shortens detection without blanks and moulding and conserving again
Cycle.Equally, during the concrete anti-seepage test piece sleeve can not only apply to existing building, can also promote the use in new building
Concrete sample detection in, only the concrete of new building need to be directly formed to cylindrical impervious test piece.
Wherein in one embodiment, one end end of the concrete anti-seepage test piece sleeve is provided with annulus convex shoulder, the circle
Ring convex shoulder is along the circumferential direction provided with equally distributed bolt hole.Impervious test piece set is by the bolt hole and Anti-leakage instrument on annulus convex shoulder
On chassis bolt connection, be secured to chassis upper.Wherein in one embodiment, the cylindrical structure is convex with annulus
Shoulder is integrally formed.Process is simple, easy to make, consumptive material is few.
Wherein in one embodiment, the annulus convex shoulder is along the circumferential direction provided with six equally distributed bolts hole.Institute
State concrete anti-seepage test piece sleeve and be anchored on chassis upper by six bolt connections.
Wherein in one embodiment, the size of the concrete anti-seepage test piece sleeve and the size phase of concrete impervious test piece
Matching.It is pressed into by making existing building concrete impervious test piece without second pouring in impervious test piece set.
Wherein in one embodiment, the microdilatancy sealant is the polymer film and hardening of cement body for mutually running through
The infiltration crystallization type water-proof structure of formation.Infiltration crystallization type water-proof structure can be firmly bonded with outer layer cement and other materials, its
Penetration depth is small, and the anti-permeability performance of test specimen is not influenceed.And also include expanding material in microdilatancy sealant, inorganic powder can be made
Microdilatancy, binding force of the increase to impervious test piece are produced as in material hydration process.Microdilatancy sealant has preferable sealing
And adhesion strength, improve the sealing and anti-pressure ability of impermeability test.
Using the anti-permeability performance detection means of the concrete anti-seepage test piece sleeve of as above any embodiment, including：Anti-leakage instrument, bottom
Disk and impervious test piece set, the chassis are bolted and are anchored on chassis located at Anti-leakage instrument top, the impervious test piece set
Portion.
Wherein in one embodiment, 6 examination positions are evenly equipped with the chassis.It is available for 6 impervious test pieces to detect simultaneously anti-
Ooze performance.
Wherein in one embodiment, 6 examination positions arrange arrangement along chassis length direction in 2 row 3.
The beneficial effects of the utility model are：
Microdilatancy sealant produces microdilatancy between impervious test piece and impervious test piece set in process of the test, increases
To the binding force of test specimen, it is ensured that impervious test piece and the tight seal of impervious test piece set, effectively reduce impervious test piece periphery and ooze
The situation of water, lift-off seal effect, operation is simple, environmentally safe without heating.
Impervious test piece set replaces the low wide and up narrow round platform knot of tradition using the upper circumference cylindrical structure consistent with lower circumference
Structure, in existing building, without the core sample of live drill core is poured, the demoulding and maintenance, simplifies sampling concrete core sample
Rework process, facilitate the operation of testing staff, mitigate the labour intensity of testing staff, it also avoid because of test operation, core
Sample and cast-in-place concrete impermeability between difference and cause result of the test distortion or failure；Simultaneously because core sample without again into
Type is conserved, and shortens detection cycle.Equally, during the concrete anti-seepage test piece sleeve can not only apply to existing building, may be used also
To promote the use in the detection of the concrete sample of new building, only the concrete of new building need to be directly formed to cylinder anti-
Ooze test specimen.
Cylindrical structure is integrally formed with annulus convex shoulder, and process is simple is easy to make, and consumptive material is few.
Brief description of the drawings
Fig. 1 is the die-filling schematic diagram of the utility model impervious test piece；
Fig. 2 the utility model impervious test piece covers stereogram；
Fig. 3 is the utility model anti-permeability performance detection means floor map.
Description of reference numerals：1- concrete anti-seepage test piece sleeves, 2- impervious test pieces, 3- microdilatancies sealant, 4- annulus convex shoulder,
5- bolts hole, 6- Anti-leakage instruments, 7- chassis, 8- digital display water pressure gauges.
Specific embodiment
It is below in conjunction with accompanying drawing and specifically real to make the purpose of this utility model, technical scheme and advantage become more apparent
Mode is applied, the utility model is described in further detail.It should be appreciated that specific embodiment described herein
Only it is used to explain the utility model, does not limit protection domain of the present utility model.
As shown in Figure 1-2, a kind of concrete anti-seepage test piece sleeve 1, the impervious test piece set 1 is hollow cylindrical structure,
Cylindrical structure is integrally formed, and the size of impervious test piece set 1 matches with the size of impervious test piece 2.Aggregate, i.e., in concrete
Play the granular loose material of skeleton or filling effect.Aggregate as the primary raw material in concrete, rise between floors skeleton and
Supporting role, aggregate size is then the diameter of particles of aggregates.Today, most building engineering is carried out using commerical ready-mixed concrete
Construction, in below 31.5mm, aggregate size is small, therefore can suitably reduce impervious test piece chi for aggregate size control under normal circumstances
It is very little.In the present embodiment, the size of impervious test piece 2 is diameter 150mm, height 150mm, instead of traditional 185mm × 175mm ×
The round platform test specimen of 150mm, test specimen weight reduces 31% or so, facilitates the operation of testing staff, effectively mitigates testing staff
Labour intensity.And Practical Project utilization in, can according to the actual conditions of aggregate size adjust impervious test piece set 1 and
The size of its impervious test piece 2.The cylindrical structure external diameter of the impervious test piece set 1 matched with the size of impervious test piece 2 is 170mm, is resisted
The thickness for oozing specimen sleeve 1 is 8mm.
Microdilatancy sealant 3 is between impervious test piece 2 and impervious test piece set 1.Microdilatancy sealant 3 mutually runs through
The infiltration crystallization type water-proof structure that polymer film and hardening of cement body are formed, the microdilatancy sealant 3 is with hydrophobicity silica
Structural polymer is main component, and it is carrier to be equipped with the extremely strong infiltrative solvent of tool, and its active component can penetrate into impervious test piece 2
Microscopic checks in outer layer cement simultaneously produces chemical reaction, is firmly bonded with outer layer cement and other materials, forms one layer of crystallization
Fine and close waterproof layer, its penetration depth is in the range of the 2mm on impervious test piece surface, the anti-permeability performance of test specimen not to be influenceed.Microdilatancy
The material mixture ratio of sealant 3 is：K11 water-repellent paint liquid materials：Superfine cement：Micro-expanding agent=9:25:2.8.K11 water-repellent paint liquid
Organic polymeric emulsions dehydration in material turns into has caking property and successional film layer, and cement absorbs the water in emulsion and hard
Change, polymer film mutually runs through with hardening of cement body phase and is firmly bonded to a firm waterproof layer.The microdilatancy is close
Sealing 3 is also added into micro-expanding agent, and appropriate micro-expanding agent produces microdilatancy during hardening of cement, increases to impervious test piece 2
Binding force.This microdilatancy material has preferable sealing and adhesion strength, improves the sealing of impervious experiment and resists
Pressure energy power, through experiment, compressive property can reach more than 2.0Mpa.
One end end of the impervious test piece set 1 is provided with annulus convex shoulder 4, and the annulus convex shoulder 4 is with cylindrical structure integrally
Shaping.The thickness of annulus convex shoulder 4 is 15mm.The annulus convex shoulder 4 is along the circumferential direction provided with equally distributed six bolts hole 5.
Embodiment 2
As shown in figure 3, using the anti-permeability performance detection means of the concrete anti-seepage test piece sleeve that example is performed as described above, including：It is anti-
Instrument 6, chassis 7 and impervious test piece set 1 is oozed, the chassis 7 sets examination position located at Anti-leakage instrument top 6 on chassis 7.When impervious test piece 2 is pressed
After entering impervious test piece set 1, it is positioned in the examination position on the chassis 7 of Anti-leakage instrument 6, impervious test piece set 1 is by the spiral shell on annulus convex shoulder 4
The bolt connection of chassis 7 on keyhole 5 and Anti-leakage instrument 6, is secured in the examination position on the top of chassis 7.
6 examination positions are evenly equipped with the chassis 7,6 examination positions arrange arrangement along the length direction of chassis 6 in 2 row 3.Experiment
In hydraulic pressure can be on the casing face of Anti-leakage instrument 6 the reading of digital display water pressure gauge 8.
Using the method for above-mentioned anti-permeability performance detection means, comprise the following steps that：
Step one：The core sample of no significant defect is fabricated to diameter 150mm, the cylinder of height 150mm is used as impervious examination
Part 2, every group is done 6 impervious test pieces 2 and is advisable.
Step 2：Cleaning impervious test piece 2 surface, and prewetted the side of impervious test piece 2 with clear water, keep side moistening, but nothing
Bright water.
Step 3：By design proportioning configuration microdilatancy sealant 3, mix well laggard to without the paste for precipitating, placing five minutes
Row secondary agitation is with standby.
Step 4：With hairbrush by paste be the uniform application of microdilatancy sealant 3 in the side of impervious test piece 2, points of three times paintings
Brush.Painting brush one times after after it is preliminary it is solid after (interval time 2-4 hour) apply next time again, the microdilatancy sealants 3 brushed for three times
Thickness for 1.5-2mm or so.
Step 5：When being brushed to impervious test piece 2 the 3rd time, be while the die cavity of brushing impervious test piece set 1, that is, brush
Cylindrical hollow inwall.
Step 6：Impervious test piece 2 is pressed into impervious test piece with pressue device to cover in 1, impermeability test is carried out after standing 48h.
Step 7：On the examination position that impervious test piece set 1 with impervious test piece 2 is installed on chassis 7, by annulus convex shoulder
Bolt hole 5 on 4, using nut and examination position bolt connection.
Step 8：Opening Anti-leakage instrument 6 carries out impermeability test.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of concrete anti-seepage test piece sleeve, it is characterised in that the concrete anti-seepage test piece sleeve is hollow structure, described hollow
Microdilatancy sealant is provided between the hollow wall and impervious test piece of structure.
2. concrete anti-seepage test piece sleeve according to claim 1, it is characterised in that during the concrete anti-seepage test piece sleeve is
Empty cylindrical structure.
3. concrete anti-seepage test piece sleeve according to claim 2, it is characterised in that the one of the concrete anti-seepage test piece sleeve
End end is provided with annulus convex shoulder, and the annulus convex shoulder is along the circumferential direction provided with equally distributed bolt hole.
4. concrete anti-seepage test piece sleeve according to claim 3, it is characterised in that the cylindrical structure and annulus convex shoulder
It is integrally formed.
5. concrete anti-seepage test piece sleeve according to claim 4, it is characterised in that the chi of the concrete anti-seepage test piece sleeve
The very little size with concrete impervious test piece matches.
6. concrete anti-seepage test piece sleeve according to claim 1, it is characterised in that the microdilatancy sealant is mutually to pass through
The infiltration crystallization type water-proof structure that the polymer film and hardening of cement body worn are formed.
7. concrete anti-seepage test piece sleeve according to claim 1, it is characterised in that the infiltration depth of the microdilatancy sealant
Spend in the 2mm depth boundses for impervious test piece surface.
8. using the anti-permeability performance detection means of the concrete anti-seepage test piece sleeve as described in claim any one of 1-7, its feature
It is, including：Anti-leakage instrument, chassis and the concrete anti-seepage test piece sleeve, the chassis is located at Anti-leakage instrument top, the concrete
Impervious test piece set is bolted and is anchored on chassis upper.
9. anti-permeability performance detection means according to claim 8, it is characterised in that 6 examination positions are evenly equipped with the chassis.
10. anti-permeability performance detection means according to claim 9, it is characterised in that 6 examinations position is along chassis length side
Arranged to being arranged in 2 row 3.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226822.2U CN206223613U (en) | 2016-11-15 | 2016-11-15 | Concrete anti-seepage test piece sleeve and anti-permeability performance detection means |
| PCT/CN2017/079284 WO2018090540A1 (en) | 2016-11-15 | 2017-04-01 | Concrete impermeable test-piece sleeve and impermeability performance measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226822.2U CN206223613U (en) | 2016-11-15 | 2016-11-15 | Concrete anti-seepage test piece sleeve and anti-permeability performance detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206223613U true CN206223613U (en) | 2017-06-06 |
Family
ID=58792540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621226822.2U Active CN206223613U (en) | 2016-11-15 | 2016-11-15 | Concrete anti-seepage test piece sleeve and anti-permeability performance detection means |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206223613U (en) |
| WO (1) | WO2018090540A1 (en) |
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| CN107643244A (en) * | 2017-11-02 | 2018-01-30 | 四川农业大学 | A kind of concrete impermeability test device |
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| CN201795981U (en) * | 2010-08-30 | 2011-04-13 | 中冶天工上海十三冶建设有限公司 | Concrete anti-seepage test piece sleeve with sealing device |
| CN202676576U (en) * | 2012-04-01 | 2013-01-16 | 天津二建建筑工程有限公司 | Test-specimen covering mould set of fast packaging device of concrete impermeability instrument |
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| CN104977235A (en) * | 2015-07-14 | 2015-10-14 | 中震(北京)工程检测有限公司 | Method for concrete impermeability test adopting rubber sleeve seal |
| US9341558B1 (en) * | 2015-08-25 | 2016-05-17 | King Saud University | System and method for measuring permeation properties of concrete and porous materials |
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2016
- 2016-11-15 CN CN201621226822.2U patent/CN206223613U/en active Active
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2017
- 2017-04-01 WO PCT/CN2017/079284 patent/WO2018090540A1/en active Application Filing
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| CN108152185A (en) * | 2017-12-05 | 2018-06-12 | 同济大学 | New concrete air infiltration tester |
| CN108104846A (en) * | 2018-01-31 | 2018-06-01 | 湖南省交通科学研究院有限公司 | The supercharging reverse osmosis mechanism of cavern and supercharging reverse osmosis method are reserved for square tunnel |
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| CN114112846A (en) * | 2021-11-19 | 2022-03-01 | 西安石油大学 | Rock permeability measuring device for geology |
| CN114112846B (en) * | 2021-11-19 | 2023-09-19 | 西安石油大学 | Rock permeability measuring device for geology |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018090540A1 (en) | 2018-05-24 |
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