CN212340555U - Water tightness test device for water stop - Google Patents
Water tightness test device for water stop Download PDFInfo
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- CN212340555U CN212340555U CN202021339613.5U CN202021339613U CN212340555U CN 212340555 U CN212340555 U CN 212340555U CN 202021339613 U CN202021339613 U CN 202021339613U CN 212340555 U CN212340555 U CN 212340555U
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Abstract
The utility model discloses a be used for waterstop water tightness test device, this test device include that reinforced concrete receives ring, steel sheathing, first steel to receive pull ring, second steel to receive pull ring, a plurality of dowel steel and waterstop installed part, forms atress self-balancing system, and after the airtight chamber pressurization injection air of difference or water, can detect the watertight performance of two kinds of different grade type waterstops simultaneously. The utility model has the advantages that: the test device is suitable for simultaneously carrying out water tightness tests on different types of water stops, is high in working efficiency, only needs to process one set of device, saves test cost, and achieves the purpose of economically and efficiently detecting the water tightness of the water stops.
Description
Technical Field
The utility model belongs to tunnel construction engineering field, concretely relates to be used for waterstop water tightness test device.
Background
In the prior art, underground engineering is generally provided with a double-channel waterproof structure, two sets of devices are needed to finish the water tightness test of two water stop belts respectively, and the test efficiency is low while the test cost is increased. Furthermore, the waterstop embedded part of the underground engineering generally adopts a steel plate and an anchor bar (or an anchor bolt), the waterstop embedded part is embedded in the surface of concrete, and the water tightness of the contact surface of the waterstop embedded part and the concrete sometimes becomes a weak link of the water tightness. The conventional watertight test adopts a pure steel structure compression ring, and cannot reflect the real water tightness working state of the waterstop embedded part in the reinforced concrete structure.
Disclosure of Invention
The utility model aims at providing a weak point according to above-mentioned prior art provides a be used for waterstop water tightness test device, and this test device is pressed ring, first steel and is received pull ring, second steel to be drawn ring and connecting elements through setting up special reinforced concrete, forms atress self-balancing system, and after the airtight chamber that separates of difference pressurization injection air or water, can detect the watertight performance of two kinds of different grade type waterstops simultaneously.
The purpose of the invention is realized by the following technical scheme:
the test device for the water tightness of the water stop comprises a reinforced concrete compression ring, a steel cover plate, a first steel tension receiving ring, a second steel tension receiving ring, a plurality of force transmission rods and a water stop mounting piece, wherein the second steel tension receiving ring and the first steel tension receiving ring are arranged up and down and are positioned on the outer side of the reinforced concrete compression ring; forming a second separation chamber under the common enclosure of the first steel tension ring and the reinforced concrete compression ring; the periphery of the reinforced concrete compression ring is connected with the first steel tension ring through the dowel bars which are uniformly distributed in the circumferential direction.
And a rubber plate is arranged between the contact surfaces of the top plate of the first steel pull-receiving ring and the bottom plate of the second steel pull-receiving ring.
The outer side of the reinforced concrete compression ring is sequentially provided with a first embedded part, a second embedded part and a third embedded part from top to bottom; the waterstop mounting part comprises a waterstop upper pressing plate and a waterstop lower pressing plate which are positioned in the first separation cavity, and further comprises an upper row of limiting blocks and a lower row of limiting blocks which are positioned in the second separation cavity; a telescopic water stop is arranged between the upper water stop pressing plate and the lower water stop pressing plate, the upper part of the telescopic water stop is fixed on the first embedded part at the upper part of the outer side of the reinforced concrete pressed ring through the upper water stop pressing plate, and the lower part of the telescopic water stop is fixed on the top plate of the first steel pressed ring through the lower water stop pressing plate so as to seal the first separation cavity; the upper end of the dowel bar is fixedly connected with the second embedded part, and the lower end of the dowel bar is fixedly connected with the top plate of the first steel tension ring; the third embedded part is positioned at the lower part of the outer side of the reinforced concrete compression ring; and a grouting water stop is arranged between the upper and lower rows of limiting blocks.
The testing device further comprises a first air outlet pipe, a second air outlet pipe, a first water injection pipe and a second water injection pipe, wherein the first air outlet pipe runs through the steel cover plate to connect the first separation cavity with the external atmosphere, the second air outlet pipe runs through the reinforced concrete pressed ring wall to connect the second separation cavity with the external atmosphere, the first water injection pipe runs through the wall of the second steel pressed ring to connect the first separation cavity with the external atmosphere, the second water injection pipe runs through the wall of the reinforced concrete pressed ring to connect the second separation cavity with the external atmosphere, and the first air outlet pipe, the second air outlet pipe, the first water injection pipe and the second water injection pipe are provided with valves.
And water stop rubber plates are arranged between the inner edge part and the outer edge part of the steel cover plate and the contact surface of the second steel tension ring top plate and between the inner edge part and the outer edge part of the steel cover plate and the contact surface of the reinforced concrete compression ring top plate and are fixed through bolts and gaskets.
And a fourth embedded part is arranged at the top of the reinforced concrete compression ring, and the contact part of the inner edge part of the steel cover plate and the reinforced concrete compression ring is positioned on the fourth embedded part.
The planar shapes of the reinforced concrete compression ring, the first steel tension ring and the second steel tension ring are similar to a rectangle or a circle.
The utility model has the advantages that:
(1) the device and the method for testing the water tightness of the water stop adopt one set of test device, can simultaneously simulate the working states of two different types of water stops, have wider application range and can achieve the aim of economically and efficiently detecting the water tightness of the water stop;
(2) the compression ring is of a reinforced concrete structure, so that the water tightness of the water stop and the water tightness of the contact part of the embedded part and the water stop can be simulated really, the water tightness of the embedded part when the embedded part is embedded in concrete can be simulated, and the cost is more economic than that of a steel structure; engineering experience shows that the waterstop embedded part of the underground engineering generally consists of a steel plate and an anchor bar (or an anchor bolt), the waterstop embedded part is embedded in the surface of concrete, and the water tightness of the contact surface of the waterstop embedded part and the concrete sometimes becomes a weak link of the water tightness; the conventional watertight test adopts a pure steel structure compression ring, and cannot reflect the real water tightness working state of the waterstop embedded part in the reinforced concrete structure.
Drawings
Fig. 1 is a schematic structural plan view of a water tightness test device for a water stop of the present invention;
fig. 2 is a cross-sectional view of the water stop water tightness test device of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1-2, the labels in the figure are: the reinforced concrete pressure receiving ring comprises a reinforced concrete pressure receiving ring 1, a steel cover plate 2, a first steel tension receiving ring 3, a second steel tension receiving ring 4, a dowel steel 5, a first embedded part 6, a second embedded part 7, a third embedded part 8, a fourth embedded part 9, a water stop upper pressing plate 10, a water stop lower pressing plate 11, a limiting block 12, a rubber plate 13, a telescopic water stop 14, a grouting water stop 15, a first separation cavity 16, a second separation cavity 17, a water stop rubber plate 18, a first air outlet pipe 19, a second air outlet pipe 20, a first water injection pipe 21 and a second water injection pipe 22.
Example (b): as shown in fig. 1-2, the present embodiment specifically relates to a device for testing water tightness of a water stop, and the device includes a reinforced concrete compression ring 1, a steel cover plate 2, a first steel tension ring 3, a second steel tension ring 4, a plurality of dowel bars 5, and a water stop mounting member. The plane shapes of the reinforced concrete compression ring 1, the first steel tension ring 3 and the second steel tension ring 4 are similar to rectangle or circle. In the embodiment, the planar shapes of the reinforced concrete compression ring 1, the first steel tension ring 3 and the second steel tension ring 4 are all similar rectangles.
As shown in fig. 1 and 2, the second steel tension ring 4 and the first steel tension ring 3 are arranged on the outer side of the reinforced concrete compression ring 1 one above the other, a first compartment 16 is formed under the common enclosure of the second steel tension ring 4, the outer wall surface of the reinforced concrete compression ring 1, the telescopic water stop 14 and the steel cover plate 2, and a second compartment 17 is formed under the common enclosure of the first steel tension ring 3, the telescopic water stop 14, the grouting water stop 15 and the reinforced concrete compression ring 1; the second steel tension ring 4 and the reinforced concrete compression ring 1 are respectively sealed with the steel cover plate 2 through a water stop rubber plate 18 and fixed through bolts and gaskets. The periphery of the reinforced concrete compression ring 1 is connected with the first steel tension ring 3 through dowel bars 5 which are uniformly distributed in the circumferential direction.
As shown in fig. 1 and 2, a first embedded part 6, a second embedded part 7 and a third embedded part 8 are sequentially arranged on the outer side of the reinforced concrete pressure-bearing ring 1 from top to bottom, and a fourth embedded part 9 is arranged on the top of the reinforced concrete pressure-bearing ring 1. The first embedded part 6 is embedded in the upper part of the outer side of the reinforced concrete pressed ring 1 and is positioned in the first separation cavity 16, and the upper part of the first embedded part is used for installing the upper water stop belt pressing plate 10; the second embedded part 7 is embedded in the middle of the reinforced concrete pressure ring 1 and is positioned in the first separation cavity 16, and is fixedly connected with the dowel bar 5; the third embedded part 8 is embedded at the lower part of the reinforced concrete pressure ring 1 and is positioned in the second separation cavity 17; the fourth embedded part 9 is embedded in the top of the reinforced concrete compression ring 1, and the steel cover plate 2 is connected with the reinforced concrete compression ring 1 through the fourth embedded part 9.
As shown in fig. 1 and 2, the waterstop mounting member includes a waterstop upper pressing plate 10 and a waterstop lower pressing plate 11 located in the first compartment 16, and further includes upper and lower two rows of limiting blocks 12 located in the second compartment 17; the upper water stop belt pressing plate 10 is connected with the first embedded part 6, a rubber plate 13 is arranged between the first separation cavity 16 and the second separation cavity 17, the lower water stop belt pressing plate 11 is installed on the rubber plate 13, and the telescopic water stop belt 14 is installed between the upper water stop belt pressing plate 10 and the lower water stop belt pressing plate 11, so that the first separation cavity 16 is sealed. The upper end of the dowel bar 5 is fixedly connected to the outer wall surface of the reinforced concrete compression ring 1 through a second embedded part 7, and the lower end of the dowel bar 5 is fixed to the upper surface of the first steel tension ring 3; the third embedded part 8 is positioned at one side of the second separation cavity 17, and a grouting water stop belt 15 is arranged between the upper row of limiting blocks 12 and the lower row of limiting blocks 12.
As shown in fig. 1 and 2, the testing apparatus further includes a first air outlet pipe 19, a second air outlet pipe 20, a first water injection pipe 21 and a second water injection pipe 22, wherein the first air outlet pipe 19 passes through the steel cover plate 2 and is communicated with the first compartment 16, the second air outlet pipe 20 passes through the reinforced concrete pressed ring 1 and is communicated with the second compartment 17, the first water injection pipe 21 passes through the second steel tensioned ring 4 and is communicated with the first compartment 16, the second water injection pipe 22 passes through the reinforced concrete pressed ring 1 and is communicated with the second compartment 17, and valves are disposed on the first air outlet pipe 19, the second air outlet pipe 20, the first water injection pipe 21 and the second water injection pipe 22.
As shown in fig. 1-2, the installation method and the test method for the water tightness test device of the water stop in the embodiment include the following steps:
(1) according to the type of the water stop belt and the working water pressure, the specifications of a reinforced concrete compression ring 1, a first steel tension receiving ring 3, a second steel tension receiving ring 4 and a dowel bar 5 are designed and determined;
(2) arranging a first embedded part 6, a second embedded part 7, a third embedded part 8, a fourth embedded part 9, a second air outlet pipe 20 and a second water injection pipe 22 on the reinforced concrete pressure-bearing ring 1, and pouring the reinforced concrete pressure-bearing ring 1 on a test site;
(3) processing a first steel tension ring 3, a second steel tension ring 4, a steel cover plate 2 and a dowel bar 5, installing a first air outlet pipe 19 on the steel cover plate 2, penetrating a first water injection pipe 21 through the second steel tension ring 4, pre-assembling and then conveying to a test site;
(4) sequentially installing a telescopic water stop 14 and a grouting water stop 15 to form a first separation cavity 16 and a second separation cavity 17, and completing the assembly of the test device;
(5) opening valves of a first water injection pipe 21 and a first air outlet pipe 19, injecting water into the first separation chamber 16 through the first water injection pipe 21, exhausting air through the first air outlet pipe 19, closing the first air outlet pipe 19 after water injection is finished, continuing to inject water into the first separation chamber 16 in a grading manner and pressurizing to a designed pressure, and observing whether water leakage exists at the position of the telescopic water stop 14 in the first separation chamber 16; then, closing the valve of the first water injection pipe 21, when water is injected into the second separation chamber 17, reserving water in the first separation chamber 16, closing the valves of the first water injection pipe 21 and the first air outlet pipe 19 to prevent pressure release of the first separation chamber 16, then opening the valves of the second water injection pipe 22 and the second air outlet pipe 20, injecting water into the second separation chamber 17 through the second water injection pipe 22, closing the second air outlet pipe 20 after water injection is completed, injecting water into the second separation chamber 17 in a grading manner and pressurizing the second separation chamber 17 to a designed pressure, and observing whether water leakage exists at the position of a grouting water stop belt 15 in the second separation chamber 17; it should be noted that when the second compartment 17 is pressurized, the first compartment 16 is kept sealed to avoid depressurization, thereby ensuring that the telescopic water stop 14 is balanced in force.
Claims (7)
1. The test device for the water tightness of the water stop comprises a reinforced concrete compression ring, a steel cover plate, a first steel tension receiving ring, a second steel tension receiving ring, a plurality of force transmission rods and a water stop mounting piece, wherein the second steel tension receiving ring and the first steel tension receiving ring are arranged up and down and are positioned on the outer side of the reinforced concrete compression ring; forming a second separation chamber under the common enclosure of the first steel tension ring and the reinforced concrete compression ring; the periphery of the reinforced concrete compression ring is connected with the first steel tension ring through the dowel bars which are uniformly distributed in the circumferential direction.
2. The device for testing the water tightness of the water stop belt according to claim 1, wherein a rubber plate is arranged between the contact surfaces of the top plate of the first steel pull-tab and the bottom plate of the second steel pull-tab.
3. The water stop belt water tightness test device according to claim 1, wherein a first embedded part, a second embedded part and a third embedded part are sequentially arranged on the outer side of the reinforced concrete compression ring from top to bottom; the waterstop mounting part comprises a waterstop upper pressing plate and a waterstop lower pressing plate which are positioned in the first separation cavity, and further comprises an upper row of limiting blocks and a lower row of limiting blocks which are positioned in the second separation cavity; a telescopic water stop is arranged between the upper water stop pressing plate and the lower water stop pressing plate, the upper part of the telescopic water stop is fixed on the first embedded part at the upper part of the outer side of the reinforced concrete pressed ring through the upper water stop pressing plate, and the lower part of the telescopic water stop is fixed on the top plate of the first steel pressed ring through the lower water stop pressing plate so as to seal the first separation cavity; the upper end of the dowel bar is fixedly connected with the second embedded part, and the lower end of the dowel bar is fixedly connected with the top plate of the first steel tension ring; the third embedded part is positioned at the lower part of the outer side of the reinforced concrete compression ring; and a grouting water stop is arranged between the upper and lower rows of limiting blocks.
4. The device for testing the water tightness of the water stop belt according to claim 1, further comprising a first air outlet pipe, a second air outlet pipe, a first water injection pipe and a second water injection pipe, wherein the first air outlet pipe penetrates through the steel cover plate to communicate the first separation chamber with the outside atmosphere, the second air outlet pipe penetrates through the wall surface of the reinforced concrete pressed ring to communicate the second separation chamber with the outside atmosphere, the first water injection pipe penetrates through the wall surface of the second steel pressed ring to communicate the first separation chamber with the outside atmosphere, the second water injection pipe penetrates through the wall surface of the reinforced concrete pressed ring to communicate the second separation chamber with the outside atmosphere, and valves are disposed on the first air outlet pipe, the second air outlet pipe, the first water injection pipe and the second water injection pipe.
5. The water stop belt water tightness test device according to claim 1, wherein water stop rubber plates are arranged between the inner and outer edge portions of the steel cover plate and the contact surface of the second steel tension ring top plate and the contact surface of the reinforced concrete compression ring top plate and are fixed through bolts and washers.
6. The water stop belt water tightness test device according to claim 1, wherein a fourth embedded part is arranged on the top of the reinforced concrete compression ring, and a contact part of the inner edge part of the steel cover plate and the reinforced concrete compression ring is arranged on the fourth embedded part.
7. The water stop belt water tightness test device according to claim 1, wherein the reinforced concrete compression ring, the first steel pull-in ring and the second steel pull-in ring have a rectangular or circular-like planar shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021339613.5U CN212340555U (en) | 2020-07-09 | 2020-07-09 | Water tightness test device for water stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021339613.5U CN212340555U (en) | 2020-07-09 | 2020-07-09 | Water tightness test device for water stop |
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| Publication Number | Publication Date |
|---|---|
| CN212340555U true CN212340555U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021339613.5U Active CN212340555U (en) | 2020-07-09 | 2020-07-09 | Water tightness test device for water stop |
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| Country | Link |
|---|---|
| CN (1) | CN212340555U (en) |
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- 2020-07-09 CN CN202021339613.5U patent/CN212340555U/en active Active
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