CN214584513U - Tensile deformation simulation test device for paste water stop material of deformation joint - Google Patents
Tensile deformation simulation test device for paste water stop material of deformation joint Download PDFInfo
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- CN214584513U CN214584513U CN202120293349.4U CN202120293349U CN214584513U CN 214584513 U CN214584513 U CN 214584513U CN 202120293349 U CN202120293349 U CN 202120293349U CN 214584513 U CN214584513 U CN 214584513U
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Abstract
The utility model discloses a tensile deformation analogue test device for movement joint's paste stagnant water material aims at solving the current technical problem who does not have the analog equipment that is used for movement joint paste stagnant water material tensile deformation's limiting parameter to detect yet. The device comprises a movable test block, a fixed test block and a stretching mechanism, wherein the movable test block is pulled and translated by the stretching mechanism and forms a deformation joint with the fixed test block; a water injection cavity is arranged in the fixed test block, and a cavity corresponding to the water injection cavity is arranged in the movable test block. Through the utility model discloses give the different tensile variables of movement joint cream body stagnant water material and carry out tensile deformation test, detect movement joint cream body stagnant water material's tensile effect can accurately obtain the limit parameter that movement joint cream body stagnant water material can stretch out deformation under the normal stagnant water state of movement joint.
Description
Technical Field
The utility model relates to a building engineering technical field, concretely relates to tensile deformation analogue test device that is used for paste stagnant water material of movement joint.
Background
The building is deformed under the action of external factors, so that the building is cracked and even damaged; the deformation joint is a structural joint reserved for the situations and comprises an expansion joint, a settlement joint and a shockproof joint.
Once the underground engineering leaks, only passive maintenance can be carried out, the maintenance and treatment difficulty is very high, and even the phenomenon that the engineering leakage still leaks repeatedly after treatment can occur. The buried water stop belt which must be arranged in the underground deformation joint for preventing water in water also has inherent defects in arrangement and construction. The normal use of the buried water stop can be affected by the vibration dislocation, poor bonding, rolling kinking or puncture and improper fixation of the buried water stop caused by poor detailed construction. The deformation joint belongs to a special part of underground engineering, has strong concealment, and even if a standardized waterproof design is adopted, the deformation joint is in continuous motion change and is limited by the existing waterproof design theory, waterproof materials, construction process and the like, so that the problem of water leakage is still more likely to occur in the later underground engineering using process. Therefore, except for the reason of self construction, the deformation joint is still a weak link for waterproofing of underground engineering.
The current materials for deformation joint waterproofing or water stopping are various and have different functions, but no matter what materials are adopted, the requirements of deformation and water stopping are firstly met. However, the construction and application of the widely used paste water stopping material are still lack of intensive research, for example, effective identification, evaluation and detection of limit parameter indexes of the tensile deformation of the paste water stopping material and the like are still lack of effective technical means.
Disclosure of Invention
The utility model provides a tensile deformation analogue test device for paste stagnant water material of movement joint aims at solving the evaluation of present limit parameter index to movement joint paste stagnant water material tensile deformation and detects, still lacks the problem of effective analogue test equipment.
In order to solve the technical problem, the utility model adopts the following technical scheme:
designing a tensile deformation simulation test device for a paste water-stopping material for a deformation joint, which comprises a movable test block, a fixed test block and a stretching mechanism, wherein the fixed test block is fixed on a corresponding base or a terrace, and the movable test block is pulled and translated through the stretching mechanism to form the deformation joint for filling the paste water-stopping material with the fixed test block; a water injection cavity is arranged in the fixed test block, a corresponding cavity is arranged in the movable test block, and the water injection cavity and the cavity face the deformation joint and correspond to each other; and the fixed test block is provided with a water injection pipe for communicating the water injection cavity with an external water source, and a pressure gauge or a pressure sensor for monitoring the water pressure in the water injection cavity.
The water injection cavity penetrates through an opening of an outer vertical surface of the fixed test block, which corresponds to one side of the deformation joint, so as to form an operation opening, the operation opening is used for applying a paste water stop material to the deformation joint, and a corresponding movable sealing cover is arranged at the operation opening.
And two sides or one side of the movable test block are provided with straight rulers for measuring stretching values.
The initial width of movement joint is 45 ~ 55mm, and communicates the external world.
The movable test block and the fixed test block are formed by pouring concrete more than or equal to C35.
The stretching mechanism is a chain block or an electric block.
Compared with the prior art, the utility model discloses a main beneficial technological effect lies in:
1. the utility model discloses experimental analogue means structure, preparation low cost are applicable to the deformation joint department of various building roofs, wall, ground, basement and other underground works and use the tensile deformation extreme value's of cream body stagnant water material experimental survey.
2. Through the utility model discloses the simulation test device gives the different tensile variable of movement joint cream body stagnant water material, detects with the simulation the tensile effect of movement joint cream body stagnant water material can accurately be obtained movement joint cream body stagnant water material can stretch the limit parameter that warp under the normal stagnant water state of movement joint.
3. Utilize the utility model discloses the analogue test device can effectively simulate and detect out the cohesion between cream body stagnant water material and major structure to observe and confirm to be used for the waterproof structure of the underground building movement joint of cream body stagnant water material can satisfy the maximum tensile value.
Drawings
Fig. 1 is the vertical section structure schematic diagram of the tensile deformation simulation test device of the utility model.
Fig. 2 is the horizontal section structure schematic diagram of the tensile deformation simulation test device of the utility model.
Fig. 3 is the horizontal section structure schematic diagram of the movable test piece of the utility model.
Fig. 4 is the vertical section (left opening) schematic view of the fixed test piece of the present invention.
In the above figures, 1 is a paste water stop material, 2 is a fixed test block, 3 is a movable test block, 4 is a water pressure gauge, 5 is a chain block, 6 is a ground anchor, 7 is a ruler, 8 is a hardened terrace, 9 is a side wing, 10 is a water injection cavity, 11 is a cavity, 12 is a tension fixing ring, and 13 is an operation opening.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.
The tool apparatuses referred to in the following examples are conventional tool apparatuses unless otherwise specified; the materials involved are all conventional materials on the market unless otherwise specified; the test method steps involved are conventional methods unless otherwise specified.
Example (b): a tensile deformation simulation test device for a paste water stopping material for a deformation joint of a reinforced concrete structure is disclosed, and comprises a fixed test block 2, a movable test block 3, a water pressure gauge 4, a chain block 5, a ground anchor 6, a straight scale 7 and a paste water stopping material 1, and is shown in figures 1 to 4. Wherein, fixed test block 2, activity test block 3 are reinforced concrete major structure, and fixed test block 2 is in the same place with 200 mm's of thickness flank spare 9 monolithic concreting, and trilateral flank spare 9 is fixed with sclerosis terrace 8 with the bolt. 200 mm's water injection chamber 10 and cavity 11 are set up respectively in fixed test block 2, the activity test block 3 outside does not open, and fixed test block 2 is seted up operation mouth 13 for the outside of movement joint. After water-stopping material is applied from the water injection cavity 10 of the fixed test block 2, the movable sealing cover is used for sealing. In addition, a 50mm wide deformation joint which penetrates through the cavity and is communicated with the outside is arranged between the fixed test block 2 and the movable test block 3, and the paste water stopping material 1 is filled in the deformation joint. The water pressure gauge 4 is directly embedded in the fixed test block 2, and a water injection pipe is embedded in the fixed test block. The water pressure gauge 4 and the water injection pipe are communicated with a water injection cavity 10. The ground anchor 6 is arranged on the hardened ground 8 which is about 3m away from the movable test block 3, the left end of the chain block 5 is connected with the ground anchor 6, and the right end is connected with the 100 mm/100 mm pulling force fixing ring 12 on the movable test block 3. The fixed ruler 7 is horizontally placed, and the scale position of the ruler 0 is flush with the right side edge of the movable test block 3. And applying horizontal tension on the chain block 5, and observing the deformation condition and the waterproof effect of the paste water stopping material 1.
The operation and use method of the tensile deformation simulation test device comprises the following steps:
(1) arranging the fixed test block 2 and the movable test block 3 on the hardened ground 8, keeping a 50mm distance, and fixing the three-side flank 9 of the fixed test block 2 and the hardened ground 8 by using bolts;
(2) fixing the chain block 5 with a tension fixing ring 12 on the left side of the movable test block 3, and connecting the chain block with a ground anchor 6, wherein two sides in the length direction are respectively fixedly provided with a straight ruler 7, and the scale 0 is flush with the right side edge of the movable test block 3;
(3) extending the sealing cover on the right side of the fixed test block 2 into the deformation joint to apply the paste water stopping material 1;
(4) fixing the sealing cover on the right side of the fixed test block 2 by using bolts, and sealing all seams;
(5) filling water into the water injection cavity 10 from a water injection pipe at the top of the fixed test block 2, observing the water meter value reaching the full water state, and recording the value of the water pressure meter 4;
(6) horizontally pulling the chain block 5, stretching the corresponding length according to the ruler 7, and keeping the chain block horizontal;
(7) observing and recording whether the numerical value of the water pressure gauge 4 has obvious change;
if the value of the water pressure gauge 4 is not obviously changed, repeating the steps (6) to (7) until the value of the water pressure gauge 4 is obviously changed, indicating that the paste water stopping material 1 leaks.
The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed or equivalent substitutions can be made on related parts, structures and materials without departing from the scope of the present invention, so as to form a plurality of specific embodiments, which are common variations of the present invention and will not be described in detail herein.
Claims (6)
1. A tensile deformation simulation test device for a paste water stop material of a deformation joint is characterized by comprising a movable test block, a fixed test block and a stretching mechanism, wherein the fixed test block is fixed on a corresponding base or a terrace; a water injection cavity is arranged in the fixed test block, a corresponding cavity is arranged in the movable test block, and the water injection cavity and the cavity face the deformation joint and correspond to each other; and the fixed test block is provided with a water injection pipe for communicating the water injection cavity with an external water source, and a pressure gauge or a pressure sensor for monitoring the water pressure in the water injection cavity.
2. The device for simulating the tensile deformation of the paste water stopping material for the deformation joint as claimed in claim 1, wherein the water injection cavity penetrates through an outer vertical surface opening of the fixed test block corresponding to one side of the deformation joint to form an operation port for applying the paste water stopping material to the deformation joint, and a corresponding movable sealing cover is arranged at the operation port.
3. The simulation test device for tensile deformation of the paste water stopping material for the deformation joint as set forth in claim 1, wherein a straight ruler for measuring the tensile value is provided on both sides or one side of the movable test block.
4. The tensile deformation simulation test device for the paste water stopping material for the deformation joint as claimed in claim 1, wherein the initial width of the deformation joint is 45-55 mm and is communicated with the outside.
5. The tensile deformation simulation test device for the paste water stopping material for the deformation joint as claimed in claim 1, wherein the movable test block and the fixed test block are cast by concrete not less than C35.
6. The tensile deformation simulation test device for the paste water stopping material for the deformation joint as claimed in claim 1, wherein the tensile mechanism is a chain block or an electric block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120293349.4U CN214584513U (en) | 2021-02-02 | 2021-02-02 | Tensile deformation simulation test device for paste water stop material of deformation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120293349.4U CN214584513U (en) | 2021-02-02 | 2021-02-02 | Tensile deformation simulation test device for paste water stop material of deformation joint |
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| Publication Number | Publication Date |
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| CN214584513U true CN214584513U (en) | 2021-11-02 |
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| CN202120293349.4U Active CN214584513U (en) | 2021-02-02 | 2021-02-02 | Tensile deformation simulation test device for paste water stop material of deformation joint |
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2021
- 2021-02-02 CN CN202120293349.4U patent/CN214584513U/en active Active
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