CN217738939U - A device for testing concrete joint part waterproof material water-proof effects - Google Patents
A device for testing concrete joint part waterproof material water-proof effects Download PDFInfo
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- CN217738939U CN217738939U CN202220535467.6U CN202220535467U CN217738939U CN 217738939 U CN217738939 U CN 217738939U CN 202220535467 U CN202220535467 U CN 202220535467U CN 217738939 U CN217738939 U CN 217738939U
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Abstract
The utility model discloses a device for testing the waterproof effect of a waterproof material at a concrete joint part, which comprises a test component, a monitoring component and a water pressure control system; the test assembly comprises a test piece base, a fastener and a ballast piece; the test piece base is arranged in parallel with the ballast piece, the concrete test piece is placed between the test piece base and the ballast piece, and the test piece assembly and the ballast piece lock and fix the concrete test piece through a fastener; the water pressure control system is connected with the ballast part pipeline and provides pressure for the ballast part; the monitoring assembly is arranged on the pressure carrier to monitor pressure changes in the test process. The utility model discloses simple structure, convenient operation can furthest simulate the engineering entity, accomplishes waterproof material or stagnant water material comprehensive waterproof performance's correlation test, more verifies waterproof material or stagnant water material's comprehensive waterproof performance comprehensively.
Description
Technical Field
The utility model belongs to the technical field of the building waterproof material test, concretely relates to a device for testing concrete joint position waterproof material water-proof effects.
Background
The waterproof performance of the building engineering is one of the basic performances of the building engineering, the concrete structure joint positions such as construction joints, deformation joints and the like are the key points and difficulties of the waterproof performance, with the vigorous development of the building engineering, particularly underground concrete structures, the quality and the service life of the waterproof performance of the concrete employment joint position directly influence the engineering quality and the service life, and in order to ensure that the waterproof effect reaches the preset effect, the most appropriate waterproof/water-stop materials of different structure positions must be selected before the construction. Therefore, how to evaluate the comprehensive waterproof effect of the waterproof material indoors is an urgent problem to be solved. At present, only raw material impermeability tests are carried out on waterproof/water-stop materials in the industry, the test result can only explain the impermeability of the waterproof materials, but in actual engineering, under different water pressures, the adherence degree of the waterproof materials and a concrete structure, the integrity of the waterproof materials after concrete pouring, water seepage of the concrete structure and the overall waterproof effect cannot be reflected, the effect of the waterproof materials or the water-stop materials is easily misjudged, and further the waterproofness of construction engineering is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a device for testing concrete joint position waterproof material water-proof effects, the device simple structure, the preparation is simple and easy, in the whole test piece that is of waterproof material-concrete structure, the biggest spacing simulation engineering entity accomplishes waterproof material or the waterproof material comprehensive water-proof performance's of stagnant water material correlation test, more verifies waterproof material or waterproof material's comprehensive water-proof performance comprehensively.
The utility model discloses a realize by following technical scheme:
a device for testing the waterproof effect of a waterproof material at a concrete joint part comprises a test assembly, a monitoring assembly and a water pressure control system; the test assembly comprises a test piece base, a fastener and a ballast piece; the test piece base is arranged in parallel with the ballast piece, the concrete test piece is placed between the test piece base and the ballast piece, and the test piece assembly and the ballast piece lock and fix the concrete test piece through the fastener; the water pressure control system is connected with the ballast part pipeline and provides pressure for the ballast part; the monitoring assembly is arranged on the pressure loading piece to monitor pressure change in the test process.
Compared with the prior art, the utility model discloses following technological effect has at least:
the utility model discloses a set up and press carrier and test piece tray, scribble waterproof material's seam position with the concrete test piece and seal, then set for fixed pressure by water pressure control system to the monitoring is under certain pressure in the regulation time, whether there is pressure drop or whether pressure drop to judge in the allowed band whether the test piece keeps the infiltration, and then test out the waterproof/stagnant water material comprehensive waterproof effect who presses close to the entity structure most in the room. The utility model discloses simple structure, the preparation is convenient, is applicable to waterproof, the stagnant water material of different grade type, and the extensive using widely of being convenient for.
Further, the ballast part comprises a hydraulic cylinder and a pressure plate, the hydraulic cylinder is of a cylindrical structure with a closed top, and the bottom of the hydraulic cylinder faces the concrete test piece; the pressure plate is circular, and the inner ring of the pressure plate is vertically arranged at the edge of the bottom of the hydraulic cylinder.
Further, the water pressure control system comprises a pressure pump, a pressure stabilizer and a control valve, wherein the pressure pump is connected with the ballast part through a pipeline, and the pressure stabilizer is arranged on the pipeline between the pressure pump and the ballast part; the control valve is disposed on a conduit between the ballast and the ballast.
Furthermore, the monitoring component is a timer, a water pressure gauge and an alarm bell, the water pressure gauge is arranged above the water pressure cylinder, and the timer is fixedly connected with the water pressure gauge; the alarm bell is arranged on the water pressure meter to monitor the water pressure change in the water pressure meter. The hydraulic pressure gauge is connected to the inside of the hydraulic cylinder, and the pressure change between the hydraulic cylinder and the concrete test piece is monitored during the test; the voltage stabilization test needs to be completed within a specified time, so that the test process is controlled by setting a timer, and the voltage stabilization test is completed within a specified time range. If the pressure drop of the test pressure in the specified time is larger than the allowable value or the pressure suddenly drops, the alarm bell automatically gives an alarm to indicate that the test piece is unqualified, at the moment, the water pressure monitoring device controls the pressurizing pump to stop pressurizing, and the test is finished.
Furthermore, the fastener is a plurality of counter-pulling screw rods, the plurality of counter-pulling screw rods are uniformly distributed at the edge position of the pressure plate, and the other ends of the counter-pulling screw rods are fixed on the test piece base.
Further, the test piece base comprises a test piece tray and a cushion block, the test piece tray is used for bearing the concrete test piece, and the cushion block is arranged below the test piece tray.
Furthermore, the top of the hydraulic cylinder is provided with an air outlet and a water inlet, and the hydraulic control system is connected with the hydraulic cylinder through a pipeline through the water inlet. The effect of gas vent is the air in the discharge concrete test piece gap to the installation is provided with the sealing rubber cover on the gas vent, carries out further sealed processing to the space between concrete test piece and the hydraulic cylinder, avoids the air to pour into, prevents simultaneously that water from spilling over.
Further, the device also comprises a concrete sample mould, wherein the concrete sample mould is formed by splicing a plurality of detachable templates and is used for preparing concrete samples of different waterproof structure parts. In the actual process, the concrete structure at the waterproof position of different concrete joints is different, the utility model discloses can be according to the construction requirement, furthest simulate the engineering entity, according to the waterproof material concrete test piece at the different structure positions of normal waterproof construction technology preparation to accomplish different kinds of waterproof, sealing material's comprehensive waterproof performance is experimental
Further, a sealing ring is arranged between the hydraulic cylinder and the concrete test piece.
Further, a rubber sleeve is arranged at an air outlet at the top of the hydraulic cylinder.
Drawings
Fig. 1 is the utility model discloses a structural schematic diagram of a device for testing concrete joint position waterproof material water-proof effects.
Fig. 2 is the utility model discloses a cross-sectional view of testing subassembly in a device for testing concrete joint position waterproof material water-proof effects.
Fig. 3 is the utility model discloses a structural schematic diagram of concrete sample mould in device for testing concrete joint position waterproof material water-proof effects.
Wherein, description of the drawing, 1-a pressure pump; 2-a voltage stabilizer; 3-a control valve; 4-a water pipe; 5-a timer; 6-a water pressure gauge; 7-a ballast part; 71-hydraulic cylinder; 72-a platen; 711-rubber sleeve; 8-oppositely pulling the screw rod; 81-winged nuts; 82-a gasket; 9-concrete test piece; 10-a test piece tray; 11-a cushion block; 12-a seal pad; 13-concrete sample mould; 131-a bottom template; 132-sideform; 133-a separator; 134-diagonal bracing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specification, but the described embodiments are only some embodiments of the present invention, not all embodiments, and the scope of the present invention is not limited thereto.
Referring to fig. 1 and 2, the present embodiment provides an apparatus for testing the waterproof effect of a waterproof material at a concrete joint, which includes a testing assembly, a water pressure control assembly, a monitoring assembly and a concrete sample preparation apparatus;
the test assembly comprises a pressure loading piece 7 and a test piece base; the pressure loading part 7 comprises a hydraulic cylinder 71 and a pressure plate 72, the hydraulic cylinder 71 is of a cylindrical structure with a closed top, and the top of the hydraulic cylinder 71 is provided with an exhaust port and a water inlet; the pressure plate 72 is in a circular ring shape, and the inner ring of the pressure plate is vertically and fixedly connected with the bottom of the hydraulic cylinder 71; the test piece base comprises a test piece tray 10 and two cushion blocks 11, the test piece tray 10 is square, the pressure plate 72 and the test piece tray 10 are screwed and fixed through four opposite-pulling screw rods 8, and the four opposite-pulling screw rods 8 are respectively distributed in the middle of each side edge of the test piece tray 10. In the embodiment, the hydraulic cylinder 71 and the pressure plate 72 are made of stainless steel with the thickness of 10mm, and 4 screw holes with the diameter of 20mm are vertically and symmetrically formed in the pressure plate 72; the maximum outer diameter of the pressure plate 72 is 700mm, the inner diameter of the hydraulic cylinder 71 is 400mm, the inner clear height is 150mm, and the top of the hydraulic cylinder 71 is provided with an exhaust port and a water inlet with the inner diameter of 10 mm; the test piece tray 10 is a stainless steel plate with the length of 700mm, the width of 700mm and the thickness of 20 mm; the four counter-pulling screws 8 are double-wing metal screws and consist of double-wing screws and lower lock nuts 81, the length of each double-wing screw is 250mm, and the lower lock nuts 81 are arranged at the tops of the counter-pulling screws; the distance between the platen 72 and the specimen tray 10 is 100mm, which is used for placing and fixing the concrete specimen 9.
The water pressure control system comprises a pressure pump 1 and a pressure stabilizer 2, wherein the pressure stabilizer 2 is communicated with a water inlet pipeline at the top of a hydraulic cylinder 71, the pressure pump 1 is connected with the pressure stabilizer 2 through a pipeline, the pressure stabilizer 1 matched with the hydraulic pump 1 provides stable water pressure for a pressure stabilization test process, and a control valve 3 is arranged on the pipeline connecting the pressure stabilizer 2 and the hydraulic cylinder 71 to control water flow. In this embodiment, the pressure pump 1 is a commercially available finished product, and has a model of korean inlet PHJ-300A, a water inlet connected to a water source, a water outlet connected to the pressure stabilizer 2 through a pipe, the pressure regulator 2 is an AR-2000 pressure regulating valve, the control valve 3 is a steel ball valve switch, the pipe is a steel pipe 4 having an outer diameter of 12mm and an inner diameter of 10mm, and the water pipe 4 is hermetically connected to each component.
The monitoring component comprises a timer 5 and a water pressure gauge 6; the water pressure gauge 6 is arranged above the water pressure cylinder 71, the pressure in the water pressure cylinder 71 is monitored, an alarm bell is also arranged on the water pressure gauge 6, and when the pressure changes greatly within a period of time, an alarm is automatically triggered; the timer 5 is arranged on the water pressure gauge 6 and is manually started when the pressure stabilizing test is started; in the embodiment, the water pressure gauge 6 is of a type with the precision of 2.5 grade and the measurement range of 0-2.5Mpa, and the water pressure gauge 6 is connected with an alarm bell not less than 70 db.
Based on the above scheme, the present embodiment completes the voltage stabilization test in the following manner:
firstly, as shown in fig. 2, aligning the joint position of a concrete test piece 9 to the hollow position of a test piece tray 10, placing the concrete test piece with the water surface facing upwards and leveling, placing a hydraulic cylinder 71 right above the test piece, locking and fixing the hydraulic cylinder with a counter-pulling screw 8, slowly pressing water into the hydraulic cylinder 71, discharging air in the cylinder, sealing an exhaust hole, after verifying the tightness, opening a pressure pump 1 to pressurize the hydraulic cylinder 71 to a test pressure, starting a timer 5 to count down the test, starting the test, automatically controlling the test process by a monitoring water pressure meter 6, waiting for the completion of the test by an operator, automatically giving an alarm by an alarm bell if the pressure drop of the test pressure is larger than an allowable value or the pressure drops suddenly within a specified time, indicating that the test piece is unqualified, controlling the pressure pump to stop pressurizing by a water pressure monitoring device at the moment, and ending the test.
In the pressure stabilizing test, the fixed pressure is set through the water pressure control system, the pressure stabilizing condition is monitored within the specified time range, and whether the water pressure gauge 6 has pressure drop or whether the pressure drop is within the allowable range to judge whether the test piece keeps water seepage resistance or not is monitored within the specified time under the action of the certain pressure, so that the comprehensive waterproof effect of the waterproof/water-stop material which is most close to the solid structure is tested indoors.
In the above implementation process, as shown in fig. 3, the preparation of the concrete sample 9 is completed by a concrete sample mold 13, the concrete sample mold 13 is composed of a detachable 20mm thick stainless steel mold plate, and comprises a 700mm bottom mold plate 131, two 700mm 200mm side mold plates 132, two 520mm side mold plates 132 and a 520mm middle partition plate 133, the lap joint part of the formworks and the formworks is connected by mortise and tenon, 12 triangular inclined supporting blocks 134 are arranged, and the inclined supporting blocks 134 are uniformly distributed at the riveting positions of the side formworks 132 and the bottom formworks 131 and are used for fixedly supporting the formworks. In other embodiments, the concrete sample mold 13 may be used to prepare concrete samples of waterproof/water-stop materials of different structural parts according to a normal waterproof construction process.
In the above embodiment, as shown in fig. 2, the sealing gasket 12 is disposed between the hydraulic cylinder 71 and the concrete sample 9 for sealing, so as to ensure the sealing performance of the overall test, and avoid causing errors and affecting the test result.
In the above embodiment, as shown in fig. 2, a sealing rubber sleeve 711 is provided on the exhaust hole of the hydraulic cylinder 71, and further sealing treatment is performed.
It should be noted that, according to actual requirements, two or more than two of all embodiments provided by the present invention may be combined to solve two or more corresponding technical problems; moreover, various technical features in the above embodiments may be arbitrarily combined as long as there is no conflict or contradiction between the combinations of features, but the combination is not described one by one at the time of space.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.
Claims (10)
1. A device for testing the waterproof effect of a waterproof material at a concrete joint part is characterized by comprising a test component, a monitoring component and a water pressure control system; the test assembly comprises a test piece base, a fastener and a ballast piece; the test piece base is arranged in parallel with the ballast piece, the concrete test piece is placed between the test piece base and the ballast piece, and the test assembly and the ballast piece lock and fix the concrete test piece through the fastening piece; the water pressure control system is connected with the ballast part pipeline and provides pressure for the ballast part; the monitoring assembly is arranged on the pressure loading piece to monitor pressure change in the test process.
2. The device for testing the waterproof effect of the waterproof material at the concrete joint part according to claim 1, wherein the pressure loading piece comprises a hydraulic cylinder and a pressure plate, the hydraulic cylinder is of a cylindrical structure with a closed top, and the bottom of the hydraulic cylinder faces the concrete test piece; the pressure plate is circular, and the inner ring of the pressure plate is vertically and annularly arranged at the edge of the bottom of the hydraulic cylinder.
3. The device for testing the waterproof effect of the waterproof material at the concrete joint part according to claim 2, wherein the water pressure control system comprises a pressurizing pump, a pressure stabilizer and a control valve, the pressurizing pump is connected with the ballast part through a pipeline, and the pressure stabilizer is arranged on the pipeline between the pressurizing pump and the ballast part; the control valve is disposed on a conduit between the ballast and the ballast.
4. The device for testing the waterproof effect of the waterproof material at the concrete joint part according to claim 2, wherein the monitoring components are a timer, a water pressure gauge and an alarm bell, the water pressure gauge is arranged above the water pressure cylinder, and the timer is fixedly connected with the water pressure gauge; the alarm bell is arranged on the water pressure meter to monitor the water pressure change in the water pressure meter.
5. The device for testing the waterproof effect of the waterproof material at the concrete joint part according to claim 2, wherein the fastening pieces are a plurality of counter-pulling screws which are uniformly distributed at the edge position of the pressing disc, and the other ends of the counter-pulling screws are fixed on the test piece base.
6. The device for testing the waterproof effect of the waterproof material at the concrete joint part according to claim 1, wherein the test piece base comprises a test piece tray and a cushion block, the test piece tray is used for bearing the concrete test piece, and the cushion block is arranged below the test piece tray.
7. The device for testing the waterproof effect of the waterproof material at the concrete joint part according to claim 2, wherein the top of the hydraulic cylinder is provided with an air outlet and a water inlet, and the hydraulic control system is connected with the hydraulic cylinder through a pipeline through the water inlet.
8. The device for testing the waterproof effect of the waterproof material at the concrete joint part according to claim 1, further comprising a concrete sample mold, wherein the concrete sample mold is formed by splicing a plurality of detachable templates and is used for preparing concrete samples with different waterproof structure parts.
9. The device for testing the waterproof effect of the waterproof material at the concrete joint part according to claim 2, wherein a sealing ring is arranged between the hydraulic cylinder and the concrete test piece.
10. The apparatus for testing waterproof effect of waterproof material at concrete joint according to claim 7, wherein the air outlet at the top of the hydraulic cylinder is provided with a rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220535467.6U CN217738939U (en) | 2022-03-10 | 2022-03-10 | A device for testing concrete joint part waterproof material water-proof effects |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220535467.6U CN217738939U (en) | 2022-03-10 | 2022-03-10 | A device for testing concrete joint part waterproof material water-proof effects |
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| CN217738939U true CN217738939U (en) | 2022-11-04 |
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| CN202220535467.6U Active CN217738939U (en) | 2022-03-10 | 2022-03-10 | A device for testing concrete joint part waterproof material water-proof effects |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499948A (en) * | 2023-06-29 | 2023-07-28 | 常鑫防水科技股份有限公司 | Waterproof coating modularized waterproof detection platform and detection method thereof |
| CN117589656A (en) * | 2024-01-18 | 2024-02-23 | 安徽建工三建集团有限公司 | Underground engineering concrete quality inspection device |
-
2022
- 2022-03-10 CN CN202220535467.6U patent/CN217738939U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499948A (en) * | 2023-06-29 | 2023-07-28 | 常鑫防水科技股份有限公司 | Waterproof coating modularized waterproof detection platform and detection method thereof |
| CN116499948B (en) * | 2023-06-29 | 2023-08-29 | 常鑫防水科技股份有限公司 | Waterproof coating modularized waterproof detection platform and detection method thereof |
| CN117589656A (en) * | 2024-01-18 | 2024-02-23 | 安徽建工三建集团有限公司 | Underground engineering concrete quality inspection device |
| CN117589656B (en) * | 2024-01-18 | 2024-03-19 | 安徽建工三建集团有限公司 | Underground engineering concrete quality inspection device |
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