CN209606285U - A kind of torus plastic concrete permeability coefficient detection device - Google Patents
A kind of torus plastic concrete permeability coefficient detection device Download PDFInfo
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- CN209606285U CN209606285U CN201920316297.0U CN201920316297U CN209606285U CN 209606285 U CN209606285 U CN 209606285U CN 201920316297 U CN201920316297 U CN 201920316297U CN 209606285 U CN209606285 U CN 209606285U
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Abstract
A kind of torus plastic concrete permeability coefficient detection device, including the upper laminated steel of circle, rubber sheet gasketing on the circle of longitudinal axis, the lower latex film of latex film, torus test specimen, circle, the lower rubber sheet gasketing of circle, circle lower laminated steel, concrete impervious instrument water storage tray on circle are successively laid from top to bottom；Laminated steel is connected by clamping screw with the lower laminated steel of circle and the lower latex film of latex film, torus test specimen, circle, the lower rubber sheet gasketing of circle on the upper rubber sheet gasketing of circle, circle is enclosed Yu Qizhong together with clamping screw on the circle；Laminated steel is fixedly connected with concrete impervious instrument water storage tray under the circle；Torus test specimen inner cavity is communicated with concrete impervious instrument water storage tray.The utility model passes through fixed in position torus test specimen, external pressure water enters torus test specimen inner cavity by concrete impervious instrument water storage tray, and applies regulation hydraulic pressure in inner wall, until torus test specimen outer wall seeps water, and according to relevant parameter testing result, computational plasticity concrete filtration coefficient.
Description
Technical field
The utility model relates to a kind of torus plastic concrete permeability coefficient detection devices.
Background technique
Plastic concrete has the characteristics such as low-intensity, low-elasticity-modulus and big strain, can be very good mutually suitable with softer basis
It answers, while there is good barrier performance again, be widely applied in the engineerings such as reservoir dam, foundation pit enclosure.Wherein, it seeps
Saturating coefficient is an important Con trolling index of barrier performance, is directly related to the quality of plastic concrete and uses function.Cause
This, detection plastic concrete permeability coefficient is a very important job.
In the prior art, plastic concrete permeability coefficient indoor detection method mainly has following two kinds: (1) DL/T5303-
The method that 2013 " water conservancy project plastic concrete testing regulations " use, that is, makeInfiltration coefficient examination
Part covers upper one layer of sealing material of sizeable rubber membrane or roller coating in test specimen side, test specimen is pressed into steel with screw press device
In iron die trial, then the die trial of Specimen is placed on normal concrete Anti-leakage instrument, is detected according to related request.
The disadvantage of this method is that, generally in 2MPa~10MPa, test specimen is squeezed into steel examination since plastic concrete intensity is lower
When mould, test specimen is easily racked or hair check occurs in inside, scraps test specimen, reduces working efficiency；Simultaneously as plastic concrete
Intensity is lower, and sealing material cannot be firmly bonded with test specimen, forms water-permeable passage, i.e. side leakage, shadow in die trial and test specimen interface
Ring detection accuracy.(2) method that JGJ/T291-2012 " cast-in-place plastic concrete antiseepage core wall construction technology regulation " is used,
Make Infiltration coefficient test specimen, cylindrical surface apply one layer of sealant, put on latex film, be put into plasticity coagulation
In the pressure chamber of native permeameter, apply the confining pressure and osmotic pressure of setting, and osmotic pressure is less than confining pressure, according to related request into
Row detection.The disadvantage of this method is that plastic concrete permeameter is complicated for operation, need to control confining pressure and osmotic pressure simultaneously
Power, it is necessary to assure osmotic pressure is less than confining pressure, and pressure chamber is unable to gas leakage, leak, influences to detect practicability；Simultaneously as plasticity
Concrete strength is lower, and particle is easy to fall, and is stuck in latex film and test specimen interface, makes latex film that can not be close to test specimen, shape
At breakthrough, i.e., around infiltration, influence detection accuracy.
Since there are above-mentioned shortcomings for existing detection method, therefore need to carry out innovation improvement.
Summary of the invention
The utility model proposes a kind of practical, detections accurately, the reasonable torus plastic concrete infiltration of design
Coefficient detection device.The detection device is able to solve real existing for existing various plastic concrete permeability coefficient indoor detection methods
The problem of with property, accuracy and working efficiency.
The technical solution adopted in the utility model is: a kind of torus plastic concrete permeability coefficient detection device, including
Laminated steel on circle, successively lay from top to bottom the upper latex film of the upper rubber sheet gasketing of circle, circle, torus test specimen, it is round under latex film,
The lower rubber sheet gasketing of circle, circle lower laminated steel, concrete impervious instrument water storage tray；Laminated steel passes through with the lower laminated steel of circle on the circle
Clamping screw connects and together with clamping screw latex film, torus test specimen, the lower latex of circle on the upper rubber sheet gasketing of circle, circle
The lower rubber sheet gasketing of film, circle encloses Yu Qizhong；Laminated steel and concrete impervious instrument water storage tray are connected by standing screw under the circle
It connects；Torus test specimen inner cavity is communicated with concrete impervious instrument water storage tray；Laminated steel on the circle, rubber gasket on circle
The lower latex film of latex film, torus test specimen, circle, the lower rubber sheet gasketing of circle, circle lower laminated steel, concrete impervious instrument on piece, circle
Water storage tray longitudinal axis.The utility model is stored by fixed in position torus test specimen, external pressure water by concrete impervious instrument
Water inlet on water pond enters torus test specimen inner cavity, and applies regulation hydraulic pressure in inner wall, until torus test specimen outer wall seeps water,
And according to water percolating capacity, water temperature, creepage distance, the infiltration area in the unit time, computational plasticity concrete filtration coefficient.
Further, laminated steel on the circle, thickness >=10 ㎜, diameter >=280 ㎜；Center is equipped with screw hole of pouring water, and pacifies thereon
Equipped with mating bolt of pouring water, specification M6-M14；A circle is uniformly drilled with several clamping circular holes, 10 ㎜ -16 ㎜ of aperture in the outer part；Under it
Surface is contacted with the upper rubber sheet gasketing upper surface of circle.
Further, rubber sheet gasketing on the circle, the thickness ㎜ of 3 ㎜~5,180 ㎜ of diameter；Center is equipped with a circular hole, hole
40 ㎜ of diameter；Its lower surface is contacted with the upper latex film upper surface of circle.
Further, latex film on the circle, 180 ㎜ of diameter；Center is equipped with a circular hole, 40 ㎜ of aperture；Its lower surface and circle
The contact of ring body test specimen upper surface.
Further, the torus test specimen, 180 ㎜ of diameter, 150 ㎜ of height；Along y direction be drilled with it is hollow it is elongated in
Chamber, 40 ㎜ of internal diameter；Its lower surface is contacted with the lower latex film upper surface of circle.
Further, latex film under the circle, 180 ㎜ of diameter；Center is equipped with a circular hole, 40 ㎜ of aperture；Its lower surface and circle
The contact of lower rubber sheet gasketing upper surface.
Further, rubber sheet gasketing under the circle, the thickness ㎜ of 3 ㎜~5,180 ㎜ of diameter；Center is equipped with a circular hole, hole
40 ㎜ of diameter；Its lower surface pushes upper surface of steel plate with circle and contacts.
Further, laminated steel under the circle, thickness >=20 ㎜, diameter is the same as the upper laminated steel of circle；Center is drilled with into water circular hole, hole
40 ㎜ of diameter；A circle is uniformly equipped with several corresponding with circular hole position is clamped and can wear the clamping spiral shell for clamping circular hole above in the outer part
Bar, specification M8-M14, the upper end are located at the upper laminated steel upper surface of circle and are equipped with mating binding nut；Its upper surface and water inlet circular hole
Concentric is equipped with annular groove；Annular groove inner wall and torus test specimen outer wall are located at same curved surface, 10 ㎜ of depth, 10 ㎜ -20 of ring width
㎜；A circle is uniformly drilled with fixed circular hole, 10 ㎜ -16 ㎜ of aperture, lower surface and concrete between annular groove outer wall and clamping screw
The contact of Anti-leakage instrument water storage tray.
Further, the concrete impervious circle of instrument water storage tray one is equipped with corresponding with fixed circular hole position and can fasten above
Determine the standing screw of circular hole, specification M8-M14, the upper end is located at circle pushing upper surface of steel plate and is equipped with mating fixture nut.
The utility model has the beneficial effects that rubber sheet gasket on the upper laminated steel of (1) detection circle used, circle, latex film, circle on circle
The lower latex film of ring body test specimen, circle, the lower rubber sheet gasket of circle, the lower laminated steel of circle are processed or are purchased conveniently, and practicability is improved；Conveying
Pressure water and application regulation hydraulic pressure, can use the concrete impervious instrument of conventional approved product, ensure that detection accuracy；(2) by
In not needing test specimen to be squeezed into steel die trial, is racked there is no test specimen or the problem of hair check occurs in inside；Clamp compression direction
For torus test specimen upper and lower surfaces, force way is reasonable, there is no side leakage and around the problem of infiltration；With existing various plastic concretes
Infiltration coefficient indoor detection method is compared, and working efficiency greatly improves.
Detailed description of the invention
Fig. 1 is the use schematic elevation view of the utility model.
Fig. 2 is the top board schematic top plan view of the utility model.
Fig. 3 is the lower platen schematic top plan view of the utility model.
Specific embodiment
Combined with specific embodiments below the utility model to be further described, but the utility model is not limited to
In these specific embodiments.One skilled in the art would recognize that the utility model covers in Claims scope
All alternatives, improvement project and the equivalent scheme that may include.
Referring to Fig.1-3, a kind of torus plastic concrete permeability coefficient detection device, including the upper laminated steel 2 of circle, from up to
Under successively lay the upper latex film 7 of the upper rubber sheet gasketing 6 of circle, circle, torus test specimen 9, the lower latex film 16 of circle, it is round under rubber seal
Gasket 17, circle lower laminated steel 12, concrete impervious instrument water storage tray 14；Laminated steel 2 and the lower laminated steel 12 of circle pass through folder on the circle
Tight screw rod 8 connects and with clamping screw 8 together under latex film 7, torus test specimen 9, circle on the upper rubber sheet gasketing 6 of circle, circle
The lower rubber sheet gasketing 17 of latex film 16, circle encloses Yu Qizhong；Laminated steel 12 and concrete impervious instrument water storage tray 14 are logical under the circle
Cross the connection of standing screw 10；9 inner cavity 18 of torus test specimen is communicated with concrete impervious instrument water storage tray 14；Compressed steel on the circle
Rubber sheet gasketing 6 on plate 2, circle, the lower latex film 16 of latex film 7, torus test specimen 9, circle, the lower rubber sheet gasketing of circle on circle
17, circle lower laminated steel 12, concrete impervious 14 longitudinal axis of instrument water storage tray.The utility model passes through fixed in position torus test specimen
9, external pressure water enters 9 inner cavity 18 of torus test specimen by the water inlet 19 on concrete impervious instrument water storage tray 14, and applies
Hydraulic pressure is provided in inner wall, until 9 outer wall of torus test specimen seeps water, and according in the unit time water percolating capacity, water temperature, infiltration away from
From, infiltration area, computational plasticity concrete filtration coefficient.
The upper laminated steel 2 of circle described in the present embodiment, 14 ㎜ of thickness, 300 ㎜ of diameter；Center is equipped with screw hole 21 of pouring water, and pacifies thereon
Equipped with mating bolt 3 of pouring water, specification M12；A circle is uniformly drilled with several clamping circular holes 5,14 ㎜ of aperture in the outer part；Its lower surface with
6 upper surface of rubber sheet gasketing contacts on circle.
The upper rubber sheet gasketing 6 of circle described in the present embodiment, 4 ㎜ of thickness, 180 ㎜ of diameter；Center is equipped with a circular hole, aperture
40㎜；Its lower surface is contacted with upper 7 upper surface of latex film of circle.
The upper latex film 7 of circle described in the present embodiment, 180 ㎜ of diameter；Center is equipped with a circular hole, 40 ㎜ of aperture；Its lower surface with
The contact of 6 upper surface of torus test specimen.
Torus test specimen 6 described in the present embodiment, 180 ㎜ of diameter, 150 ㎜ of height；It is drilled with along y direction hollow elongated
Inner cavity 18,40 ㎜ of internal diameter；Its lower surface is contacted with lower 16 upper surface of latex film of circle.
The lower latex film 16 of circle described in the present embodiment, 180 ㎜ of diameter；Center is equipped with a circular hole, 40 ㎜ of aperture；Its lower surface with
Lower 17 upper surface of the rubber sheet gasketing contact of circle.
The lower rubber sheet gasket 17 of circle described in the present embodiment, 4 ㎜ of thickness, 180 ㎜ of diameter；Center is equipped with a circular hole, aperture 40
㎜；Its lower surface is contacted with lower 12 upper surface of laminated steel of circle.
The lower laminated steel 12 of circle described in the present embodiment, 24 ㎜ of thickness, 300 ㎜ of diameter；Center is drilled with into water circular hole 20, aperture
40㎜；A circle is uniformly equipped with several corresponding with 5 position of circular hole is clamped and can wear the clamping spiral shell for clamping circular hole 5 above in the outer part
Bar 8, specification M12, the upper end are located at upper 2 upper surface of laminated steel of circle and are equipped with mating binding nut 1；Lower 12 upper surface of laminated steel of circle
Annular groove 15 is equipped with water inlet 20 concentric of circular hole；15 inner wall of annular groove and 9 outer wall of torus test specimen are located at same curved surface, depth
10 ㎜, 15 ㎜ of ring width；A circle is uniformly drilled with fixed circular hole 13,14 ㎜ of aperture between 15 outer wall of annular groove and clamping screw 8；Circle
Lower 12 lower surface of laminated steel is contacted with concrete impervious instrument water storage tray 14.
The circle of concrete impervious instrument water storage tray 14 1 described in the present embodiment is equipped with corresponding with fixed 13 position of circular hole and can be with
On fasten the standing screw 10 for determining circular hole, specification M12, the upper end is located at lower 12 upper surface of laminated steel of circle and is equipped with mating fixed spiral shell
Mother 11.
The present embodiment detecting step is as follows: (1) preparing plastic concrete test cube, specification according to associated technical parameters
Size 200mm × 200mm × 200mm；(2) it usesWithThin diamond wall hollow boring bit, match-drill machine, cutting
Machine and sanding machine drill through production torus test specimen 9 along test cube center side position opposite side；(3) it can also useWithThin diamond wall hollow boring bit, match-drill machine, cutting machine and sanding machine, directly drill core is produced from solid concrete
Torus test specimen 9；(4) the fixation circular hole 13 on the lower laminated steel 12 of circle is inserted in the fixation spiral shell on concrete impervious instrument water storage tray 14
Bar 10 tightens 11 precession standing screw of fixture nut, 10 upper end；(5) lower 12 centre of laminated steel of circle is from bottom to up successively
Place the lower latex film 16 of the lower rubber sheet gasketing 17 of circle, circle, torus test specimen 9, latex film 7 on circle, rubber sheet gasketing on circle
6, laminated steel 2 on circle, while the clamping circular hole 5 on the upper laminated steel 2 of circle is inserted in clamping screw 8, and 1 precession of binding nut is clamped spiral shell
8 upper end of bar, is tightened；(6) water is poured into from screw hole 21 of pouring water to inner cavity 18 to being full of, tighten pour water bolt 3 to sealing inner cavity 18；
(7) start concrete impervious instrument, according to setting regulation hydraulic pressure is required, external pressure water is by concrete impervious instrument water storage tray 14
Water inlet 19 enter inner cavity 18, apply regulation hydraulic pressure in 18 inner wall of inner cavity, until 9 outer wall of torus test specimen seeps water；(8) basis
Water percolating capacity prepares enough blotting paper, and weighing packs tightly blotting paper in 9 outer wall of torus test specimen and annular groove 15, opens simultaneously
Begin the record time；(9) it is spaced 15min~90min, takes out blotting paper, is weighed, the infiltration of the front and back as period of poor quality twice
Amount；(10) water percolating capacity for recording continuous six periods, measures water temperature, and test can stop, plastic concrete permeability coefficient according to
Following formula calculates:
kt=QL/AHt
kt-- infiltration coefficient when water temperature T DEG C, cm/s；
Amount of seepage in t seconds Q-- time, cm3；
L-- creepage distance, mm；Using (torus outer diameter-intracavity diameter)/2=(180-40)/2=70；
H-- provides hydraulic pressure, cm；
T-- interval time, s；
A-- area of section, cm2；Using 18 surface area=3.14 × 4 of inner cavity × 15=188.4.
Claims (9)
1. a kind of torus plastic concrete permeability coefficient detection device, it is characterised in that: including the upper laminated steel of circle, from top to bottom
Successively lay the upper latex film of the upper rubber sheet gasketing of circle, circle, torus test specimen, the lower latex film of circle, it is round under rubber sheet gasketing, circle
Lower laminated steel, concrete impervious instrument water storage tray；On the circle laminated steel connect with the lower laminated steel of circle by clamping screw and with folder
Tight screw rod is together the lower latex film of latex film, torus test specimen, circle, the lower rubber gasket of circle on the upper rubber sheet gasketing of circle, circle
Piece encloses Yu Qizhong；Laminated steel is connect with concrete impervious instrument water storage tray by standing screw under the circle；The torus test specimen
Inner cavity is communicated with concrete impervious instrument water storage tray；Laminated steel on the circle, rubber sheet gasketing on circle, latex film, annulus on circle
The lower latex film of body test specimen, circle, the lower rubber sheet gasketing of circle, circle lower laminated steel, concrete impervious instrument water storage tray longitudinal axis.
2. a kind of torus plastic concrete permeability coefficient detection device according to claim 1, it is characterised in that: described
Laminated steel on circle, thickness >=10 ㎜, diameter >=280 ㎜；Center is equipped with screw hole of pouring water, and is equipped with mating bolt of pouring water thereon, advises
Lattice M6-M14；A circle is uniformly drilled with several clamping circular holes, 10 ㎜ -16 ㎜ of aperture in the outer part；Its lower surface and the upper rubber seal of circle
The contact of gasket upper surface.
3. according to claim 1 or a kind of torus plastic concrete permeability coefficient detection device as claimed in claim 2, special
Sign is: rubber sheet gasketing on the circle, the thickness ㎜ of 3 ㎜~5,180 ㎜ of diameter；Center is equipped with a circular hole, 40 ㎜ of aperture；Its
Lower surface is contacted with the upper latex film upper surface of circle.
4. a kind of torus plastic concrete permeability coefficient detection device according to claim 1, it is characterised in that: described
Latex film on circle, 180 ㎜ of diameter；Center is equipped with a circular hole, 40 ㎜ of aperture；Its lower surface is contacted with torus test specimen upper surface.
5. a kind of torus plastic concrete permeability coefficient detection device according to claim 1, it is characterised in that: described
Torus test specimen, 180 ㎜ of diameter, 150 ㎜ of height；Hollow elongated inner cavity, 40 ㎜ of internal diameter are drilled with along y direction；Its lower surface
It is contacted with the lower latex film upper surface of circle.
6. a kind of torus plastic concrete permeability coefficient detection device according to claim 1, it is characterised in that: described
The lower latex film of circle, 180 ㎜ of diameter；Center is equipped with a circular hole, 40 ㎜ of aperture；Its lower surface and the lower rubber sheet gasketing upper surface of circle
Contact.
7. a kind of torus plastic concrete permeability coefficient detection device according to claim 1, it is characterised in that: described
The lower rubber sheet gasketing of circle, the thickness ㎜ of 3 ㎜~5,180 ㎜ of diameter；Center is equipped with a circular hole, 40 ㎜ of aperture；Its lower surface and circle
Push upper surface of steel plate contact.
8. a kind of torus plastic concrete permeability coefficient detection device according to claim 1, it is characterised in that: described
The lower laminated steel of circle, thickness >=20 ㎜, diameter is the same as the upper laminated steel of circle；Center is drilled with into water circular hole, 40 ㎜ of aperture；A circle is equal in the outer part
It is even to be equipped with several corresponding with circular hole position is clamped and the clamping screw for clamping circular hole be worn above, specification M8-M14, thereon
End is located at the upper laminated steel upper surface of circle and is equipped with mating binding nut；Its upper surface and water inlet circular hole concentric are equipped with annular groove；
Annular groove inner wall and torus test specimen outer wall are located at same curved surface, 10 ㎜ of depth, 10 ㎜ -20 ㎜ of ring width；Annular groove outer wall and folder
A circle is uniformly drilled with fixed circular hole between tight screw rod, and 10 ㎜ -16 ㎜ of aperture, lower surface is contacted with concrete impervious instrument water storage tray.
9. a kind of torus plastic concrete permeability coefficient detection device according to claim 1, it is characterised in that: described
The concrete impervious circle of instrument water storage tray one is equipped with corresponding with fixed circular hole position and can fasten the standing screw for determining circular hole, rule above
Lattice M8-M14, the upper end are located at circle pushing upper surface of steel plate and are equipped with mating fixture nut.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920316297.0U CN209606285U (en) | 2019-03-13 | 2019-03-13 | A kind of torus plastic concrete permeability coefficient detection device |
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| CN201920316297.0U CN209606285U (en) | 2019-03-13 | 2019-03-13 | A kind of torus plastic concrete permeability coefficient detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307683A (en) * | 2019-11-22 | 2020-06-19 | 浙江大学 | Self-balancing reinforced concrete structure impermeability test device and method |
| CN111366522A (en) * | 2020-04-20 | 2020-07-03 | 苏交科集团股份有限公司 | Test collection system of concrete gas permeability data |
| CN111766188A (en) * | 2020-05-08 | 2020-10-13 | 江苏禹治流域管理技术研究院有限公司 | Device and method for evaluating permeability of uniaxial compression concrete under high-temperature condition |
-
2019
- 2019-03-13 CN CN201920316297.0U patent/CN209606285U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307683A (en) * | 2019-11-22 | 2020-06-19 | 浙江大学 | Self-balancing reinforced concrete structure impermeability test device and method |
| CN111366522A (en) * | 2020-04-20 | 2020-07-03 | 苏交科集团股份有限公司 | Test collection system of concrete gas permeability data |
| CN111366522B (en) * | 2020-04-20 | 2020-10-30 | 苏交科集团股份有限公司 | Test collection system of concrete gas permeability data |
| CN111766188A (en) * | 2020-05-08 | 2020-10-13 | 江苏禹治流域管理技术研究院有限公司 | Device and method for evaluating permeability of uniaxial compression concrete under high-temperature condition |
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