CN209624312U - Cement concrete joint sealing material water creep appearance - Google Patents
Cement concrete joint sealing material water creep appearance Download PDFInfo
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- CN209624312U CN209624312U CN201920342703.0U CN201920342703U CN209624312U CN 209624312 U CN209624312 U CN 209624312U CN 201920342703 U CN201920342703 U CN 201920342703U CN 209624312 U CN209624312 U CN 209624312U
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- sealing material
- joint sealing
- water
- cylindrical drum
- test specimen
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Abstract
The present utility model application belongs to the seepage of water technical field of test joint sealing material, a kind of cement concrete joint sealing material water creep appearance, including graduated cylinder, conduit, pedestal, valve, cylindrical drum and test specimen are specifically disclosed, cylindrical drum is set to the lower section of pedestal, cavity is provided in pedestal, cylindrical drum is connected to cavity；The test specimen is matched with the inner surface of cylindrical drum, and the upper surface of test specimen is provided with the seam to lower recess, and the lower part of test specimen is equipped with the leakage hole being connected to the bottom of seam.The infiltration situation of infiltration situation and joint sealing material and cement concrete wall bonding part that this water creep appearance can test indoors the seepage rate of joint sealing material, and be able to detect joint sealing material itself.
Description
Technical field
The present utility model application belongs to the seepage of water technical field of test joint sealing material, specifically discloses a kind of cement concrete
Joint sealing material water creep appearance.
Background technique
Joint sealing material (the dedicated joint sealing material of pitch or other road surfaces) is filled in the junction of cement concrete pavement, for hindering
Sealing is flowed into or is penetrated under road surface.The cement concrete pavement early stage that joint sealing material infiltration will cause junction both sides, which collapses, damages.
The seepage rate of infiltration situation frequently with water creep appearance measurement joint sealing material and joint sealing material at present, as shown in Figure 1, existing
Some water creep appearances include graduated cylinder 1, conduit 2, top plate 5 and pedestal 6, and running through between top plate 5 and pedestal 6 has vertical column 7, pedestal 6
It is inside provided with cavity 61, is equipped with sealing ring 62 in cavity 61,2 both ends open of conduit, graduated cylinder 1, conduit 2 and cavity 61 are sequentially communicated.
Conduit 2 is equipped with valve 21, and one end of valve 21 is equipped with handle 22.
Before above-mentioned water creep appearance experiment, need to carry out following preparation process:
A, measuring point is chosen on road surface, removes the dirt sundries of measuring point；
B, circle mark is drawn on road surface by the outer diameter of sealing ring 62 with chalk, and smear and seal in the bottom of pedestal 6
Material 7 (can mix talcum powder for butter), make the embedding full gap of sealing material 7 and be bonded on road surface securely；
C, pedestal 6 is firmly pressed on road surface, then pedestal 6 is pressed on road surface by iron ring.
When above-mentioned water creep appearance is tested, comprising the following steps:
A, valve 21 is closed, is filled the water into graduated cylinder 1, valve 21 is then opened, makes the water in graduated cylinder 1 full of 21 lower part of valve
Conduit 2, cavity 61, when the water surface decrease speed of graduated cylinder 1 is slack-off, close valve 21 simultaneously filled the water again into graduated cylinder 1；
B, valve 21 is opened, the fluid change of observation graduated cylinder 1 is started immediately when the liquid level of graduated cylinder 1 drops to 100ml
Stopwatch, every 60s, the scale for recording graduated cylinder 1 is primary, until liquid level drops to 500ml in graduated cylinder 1；
C, the seepage rate of joint sealing material is calculated according to formula
CwThe seepage rate (ml/min) of-joint sealing material；
V2The water of-first time timing, usually 100ml；
V1The water of-second timing, usually 500ml；
t2The time (min) of-first time timing；
t1The time (min) of-second timing.
Can be had the following problems using above-mentioned water creep appearance: (1) only can on-site test joint sealing material, reversion is come due to vehicle
It sails and the warping movement of stretching repeatedly of cement concrete pavement, the joint sealing material in seam has forfeiture and deformation, joint surface
Uneven, therefore the water creep appearance of the seepage rate of on-site test joint sealing material can be showed, the infiltration situation measurement of joint sealing material is inaccurate
Really, error is larger.(3) even if the seepage rate of the joint sealing material of measurement is higher, worker is also only capable of that some ancillary measure reductions is taken to fill out
The seepage rate of sewing can not be removed from by original joint sealing material, and the low joint sealing material of new seepage rate is perfused again；(3) above-mentioned
The problem of there are sealing materials 7 will be fully sealed between pedestal 6 and road surface for water creep appearance, and water flows out detection zone.At present
There are groovings on road surface, and sealing material 7 is placed in slot, the water creep appearance that guarantee pedestal 6 is fully sealed with road surface, but this infiltration
Water instrument needs to destroy road surface (hardness of cement concrete pavement is larger), and heavy workload, experimental procedure is cumbersome, is not suitable for seeping water
The popularization and application of instrument.
Utility model content
The purpose of this utility model is to provide a kind of cement concrete joint sealing material water creep appearances, with the existing water creep appearance of solution
Only can on-site test joint sealing material, the infiltration situation of joint sealing material measures inaccuracy, the larger problem of error.
In order to achieve the above object, the technical solution of the utility model are as follows:
Cement concrete joint sealing material water creep appearance, including the graduated cylinder, connecting cylinder and cylindrical drum being sequentially communicated, connecting cylinder is equipped with
Valve；It further include the test specimen that can be placed in cylindrical drum, the upper surface of test specimen has the seam to lower recess, the lower part of test specimen
The leakage hole being connected to equipped with the bottom with seam.
The working principle of the technical program is:
Before experiment, joint sealing material is poured into the seam of test specimen, and after the surface of test specimen coats sealing material, test specimen is filled
In the cylindrical drum of Infiltration water instrument；When experiment, if joint sealing material infiltration or joint sealing material and cement concrete wall bonding part are seeped water, water
It will be discharged through leakage hole.
The beneficial effect of the technical program is:
(1) there are not the related specifications of the seepage rate measurement to joint sealing material also at present, only a small number of unit can go measurement to fill out
The seepage rate of sewing, but these measurements are only limited to outdoor on-site test, and (can only fill out to the joint sealing material after having constructed
Sewing has been filled with behind the junction of cement concrete pavement) it is tested.This water creep appearance can test joint sealing material indoors
Seepage rate, wherein test specimen is for simulating cement concrete pavement (cement concrete pavement itself is impermeable).When experiment, if
Joint sealing material itself seeps water, and water can be leaked out through seam bottom, so this water creep appearance is able to detect whether joint sealing material itself seeps water；If
Joint sealing material and the infiltration of cement concrete wall bonding part, water can also be leaked out through seam bottom, so this experimental method can also detect
Whether joint sealing material and cement concrete wall bonding part seep water.
(2) inaccurate with measurement joint sealing material infiltration situation, the biggish existing outdoor water creep appearance of error is compared, this water creep appearance pair
The infiltration situation measurement of joint sealing material is accurate, if it find that the seepage rate of joint sealing material is larger, just directly abandons the joint sealing material, prevents out
The case where just finding that joint sealing material seeps water after now constructing, can only being made up using other measures.
(3) this water creep appearance can test the infiltration situation of joint sealing material indoors, and laboratory operating procedures are simple.
It further, further include the water receiving container being in below cylindrical drum, water receiving container is connected to leakage hole.When experiment, from
The water that leakage hole leaks down can enter in water receiving container, facilitate tester and water is uniformly processed.
Further, the cross section of the seam is in rectangle.The seam of rectangle can sufficiently in construction simulation scene cement it is mixed
The junction of solidifying soil surface, improves the accuracy of experiment.
Further, the lower part of the seam is provided with multiple leakage holes.Leakage hole can leak into water in water receiving container rapidly,
It is convenient that the water to leak down is uniformly processed.
Further, the cylindrical drum and pedestal integrally connected, it can be ensured that water will not be from the junction of cylindrical drum and pedestal
It leaks out.
Detailed description of the invention
Fig. 1 is the longitudinal section cross-sectional view of existing water creep appearance；
Fig. 2 is the longitudinal section cross-sectional view of water creep appearance in the utility model embodiment room；
Fig. 3 is the top view of the utility model embodiment test specimen.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: graduated cylinder 1, conduit 2, valve 21, handle 22, cylindrical drum 3, test specimen 4, fills out
Sewing 41, leakage hole 42, top plate 5, pedestal 6, cavity 61, sealing ring 62, sealing material 63, vertical column 7, water receiving container 8.
As shown in Figures 2 and 3, cement concrete joint sealing material water creep appearance, including graduated cylinder 1, conduit 2, pedestal 6, both ends open
Cylindrical drum 3 and test specimen 4, conduit 2 be equipped with valve 21, one end of valve 21 is equipped with handle 22.The inner capacities of graduated cylinder 1 is
600ml, the material of graduated cylinder 1 are transparent organic glass.The upper end of cylindrical drum 3 and 6 integrally connected of pedestal (guarantee cylindrical drum 3 and bottom
Connection is fully sealed between seat 6), the lower section of cylindrical drum 3 is removably connected with water receiving container 8 by bolt, is provided with sky in pedestal 6
The upper end of chamber 61, cylindrical drum 3 is connected to cavity 61.
The present embodiment preferably (is leaned in the opening setting protrusion of water receiving container 8 towards the vertical centerline of water receiving container 8
Closely), or make the internal diameter of water receiving container 8 less than the internal diameter of cylindrical drum 3, it will be able to carry out the top of water receiving container 8 to test specimen 4
Excellent support.
Test specimen 4 is matched with the inner surface of cylindrical drum 3, and the upper surface of test specimen 4 has a seam to lower recess (to be detected
Joint sealing material 41 is filled in seam), the cross section of seam is in rectangle, and the lower part of seam is uniformly distributed, and there are three leakage holes 42.
Include following preparation process before experiment:
(1) it prepares test specimen 4: designing test specimen 4 by " JGJ55-2011 ", test specimen 4 needs to meet: when using cobble, the use of cement
Amount is 305-315kg/m3；When using rubble, cement consumption 325-335kg/m3；Normal concrete sand coarse aggregate ratio is 36%-40%；
Concrete slump was 70-90mm, and to 4 standard curing of test specimen 28 days.
(2) filler strip (requirement that filler strip should meet JTG/TF30-2014) is filled in into seam, after filler strip is stoppered, to test specimen 4
Seam in pour into joint sealing material 41 to be detected；
(3) sealing material 63 (can be butter and mix talcum powder) is coated on the surface of test specimen 4, makes sealing material 63 by test specimen
4 seal with the junction of cylindrical drum 3, and then test specimen 4 is packed into from the bottom of cylindrical drum 3 and is packed into, water receiving container 8 is bolted
It to the lower part of cylindrical drum 3, fills the water into graduated cylinder 1, if water oozes out between test specimen 4 and cylindrical drum 3, needs in 4 table of test specimen
Face coats sealing material 63 again.
When experiment, comprising the following steps:
A, tester's swing handle 22 is closed valve 21, is filled the water into graduated cylinder 1, then opens valve 21, makes in graduated cylinder 1
Water be full of conduit 2, the cavity 61 of 21 lower part of valve and close valve 21 and again when the water surface decrease speed of graduated cylinder 1 is slack-off
It is filled the water into graduated cylinder 1；
B, valve 21 is opened, the fluid change of observation graduated cylinder 1 is started immediately when the liquid level of graduated cylinder 1 drops to 100ml
Stopwatch, every 60s, the scale for recording graduated cylinder 1 is primary, until liquid level drops to 500ml in graduated cylinder 1；
C, the seepage rate of joint sealing material is calculated according to formula
CwThe seepage rate (ml/min) of-joint sealing material；
V2The water of-first time timing, usually 100ml；
V1The water of-second timing, usually 500ml；
t2The time (min) of-first time timing；
t1The time (min) of-second timing；
Experiment generally using the water surface from 100ml drop to 500ml needed for the time as standard, if infiltration overlong time, can also
It is calculated with the water passed through using 30min；3 test specimens are measured, using average value as testing result.It is to be detected to fill out after experiment
When the seepage rate of sewing=0, the joint sealing material can just be come into operation.With the existing water creep appearance for the seepage rate for being only capable of measurement joint sealing material
It compares, this experimental method is capable of the quality of stringent control joint sealing material.
Claims (5)
1. cement concrete joint sealing material water creep appearance, which is characterized in that including graduated cylinder, conduit, pedestal, valve, cylindrical drum and test specimen,
Cylindrical drum is set to the lower section of pedestal, is provided with cavity in pedestal, cylindrical drum is connected to cavity；The inner surface of the test specimen and cylindrical drum
Matching, the upper surface of test specimen are provided with the seam to lower recess, and the lower part of test specimen is equipped with the leakage hole being connected to the bottom of seam.
2. cement concrete joint sealing material water creep appearance according to claim 1, which is characterized in that the lower of the cylindrical drum can
Dismantling connection has water receiving container.
3. cement concrete joint sealing material water creep appearance according to claim 1, which is characterized in that the cross section of the seam is in
Rectangle.
4. cement concrete joint sealing material water creep appearance according to claim 1, which is characterized in that the lower part of the seam is provided with
Multiple leakage holes.
5. cement concrete joint sealing material water creep appearance according to claim 1, which is characterized in that the cylindrical drum and pedestal one
Body connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920342703.0U CN209624312U (en) | 2019-03-18 | 2019-03-18 | Cement concrete joint sealing material water creep appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920342703.0U CN209624312U (en) | 2019-03-18 | 2019-03-18 | Cement concrete joint sealing material water creep appearance |
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| Publication Number | Publication Date |
|---|---|
| CN209624312U true CN209624312U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920342703.0U Expired - Fee Related CN209624312U (en) | 2019-03-18 | 2019-03-18 | Cement concrete joint sealing material water creep appearance |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827886A (en) * | 2019-03-18 | 2019-05-31 | 招商局重庆交通科研设计院有限公司 | The impervious experimental method of cement concrete joint sealing material |
| CN113175526A (en) * | 2021-05-21 | 2021-07-27 | 河南明德建设工程有限公司 | Sealing device before bituminous paving infiltration test |
-
2019
- 2019-03-18 CN CN201920342703.0U patent/CN209624312U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827886A (en) * | 2019-03-18 | 2019-05-31 | 招商局重庆交通科研设计院有限公司 | The impervious experimental method of cement concrete joint sealing material |
| CN113175526A (en) * | 2021-05-21 | 2021-07-27 | 河南明德建设工程有限公司 | Sealing device before bituminous paving infiltration test |
| CN113175526B (en) * | 2021-05-21 | 2024-03-29 | 国宇控股集团设计咨询有限公司 | Sealing device before asphalt pavement water seepage test |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20210318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |