CN212904162U - Under water non-dispersion concrete test piece forming water tank - Google Patents
Under water non-dispersion concrete test piece forming water tank Download PDFInfo
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- CN212904162U CN212904162U CN202021748386.1U CN202021748386U CN212904162U CN 212904162 U CN212904162 U CN 212904162U CN 202021748386 U CN202021748386 U CN 202021748386U CN 212904162 U CN212904162 U CN 212904162U
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Abstract
The utility model discloses an underwater undispersed concrete test piece forming water tank, which comprises a tank body and a tank cover arranged at the top of the tank body; the interior of the box body is provided with a clapboard which can divide the interior space of the box body into a plurality of spaces capable of accommodating the test molds, and the box body is also internally provided with a heating pipe and a temperature probe; the heating pipe and the temperature probe are both connected with the control box; the control box can carry out the start-stop control of heating pipe according to the temperature that temperature probe detected. Because the baffle is a plurality of with box inner space partition, then can place a plurality of examination moulds to the baffle simultaneously, can improve test efficiency like this to there is contrast data, improved experimental accurate nature. Through the linkage working mode of the temperature probe and the heating pipe, the water temperature in the box body can be guaranteed to fluctuate in a small range all the time, the temperature range specified by test regulations is met, and the accuracy of the test is favorably ensured.
Description
Technical Field
The utility model relates to a concrete detection technical field, concretely relates to under water not disperse concrete test piece shaping water tank.
Background
Since the 80 s of the 20 th century, with the construction of cross-river and cross-sea projects and a great number of underwater structural projects, a great number of underwater concrete materials are adopted in the projects. The common concrete has a plurality of defects which can not be thoroughly overcome when in underwater construction. Therefore, research and application of underwater undispersed concrete become the key to adapting to modern underwater concrete preparation and construction technology, researchers in various countries around the world are engaged in research on the improvement of the self performance of concrete, namely, the concrete has the capability of directly contacting with environmental water and preventing components of concrete mixture from being dispersed in the underwater pouring process by changing the components of the concrete, so that the quality of the underwater concrete is improved. The underwater undispersed concrete is made up by adding disperser with water-soluble high-molecular substance of cellulose series or propylene series as main component into ordinary concrete, so increasing cohesive force of fresh concrete, limiting dispersion and segregation of fresh concrete and preventing cement loss. The underwater undispersed concrete technology fills the defects of the underwater construction of common concrete, greatly simplifies the construction process of the underwater concrete and promotes the development of the underwater concrete construction technology.
According to the test protocol (DL/T5117-2000 "test protocol for non-dispersible concrete underwater"), the equipment and method of testing requires the following: the test mold adopts a cube of 150mm multiplied by 150 mm; the height of the water tank is 450mm, tap water is injected into the water tank, and the water temperature is controlled to be 20 +/-3 ℃; placing a test mold for underwater forming in a water tank, adding water to a position 150mm above the test mold, using a hand shovel to drop the underwater undispersed concrete mixture from the water surface to the water, and pouring the mixture into the test mold. The feeding is continuously operated, the material amount exceeds the surface of the test mold, the test mold is taken out of the water and stands for 5-10 min, so that the concrete is self-leveled and self-compacted to reach a stable state; both sides of the test mold were tapped with a mallet to facilitate drainage and then placed back into the water. And (3) leveling the concrete by using a trowel before initial setting, placing for 2 days, removing a mold, carrying out standard maintenance in water, and taking out the test piece from the water for testing when the preset age is reached.
According to market investigation, at present, no water tank special for indoor underwater non-dispersive concrete forming is produced in China, and water tank products special for indoor underwater non-dispersive concrete forming are not produced, so that water tanks used for underwater non-dispersive concrete forming in various scientific research institutes and test detection mechanisms are all processed by self, and the water tanks are various in types and are all five-door. Some test pieces are too heavy, 2-3 persons are generally needed in the forming process of each group of test pieces, and manpower is seriously wasted; some devices lack a waste water and mortar collecting device, which is not beneficial to environmental protection; after forming a sample, the sewage needs to be manually treated and then the next sample is formed; some water temperature control measures are not available, so that the water temperature cannot meet the test requirements.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a not dispersion concrete test piece shaping water tank under water for perfect not dispersion concrete's shaping test process under water, accurate control test temperature, a plurality of samples of disposable formability, and can avoid mixed pollution at the interval of each other, improve the precision of experimental detection and the degree of accuracy of data.
For solving the technical problem, the utility model discloses the technical scheme who adopts does:
an underwater undispersed concrete test piece forming water tank comprises a tank body and a tank cover arranged at the top of the tank body; the interior of the box body is provided with a clapboard which can divide the interior space of the box body into a plurality of spaces capable of accommodating the test molds, and the box body is also internally provided with a heating pipe and a temperature probe; the heating pipe and the temperature probe are both connected with the control box; the control box can carry out the start-stop control of heating pipe according to the temperature that temperature probe detected.
As a further technical scheme of the above scheme, the partition plate comprises at least M transverse plates and at least N vertical plates, and the transverse plates and the vertical plates are arranged in a crossed manner; and M ≧ 0, N ≧ 1, M, N are all natural numbers.
As a further technical scheme of the above scheme, a grid support and a support are further arranged in the box body; the grid support is arranged at the bottom of the interior of the box body through the support, and the partition plate is arranged at the top of the grid support; the heating pipe and the temperature probe are both arranged between the grid support and the bottom inside the box body.
As a further technical solution of the above scheme, the heating pipes are uniformly distributed in each space partitioned by the partition plate.
As a further technical scheme of the scheme, the control box further comprises a work indicator light, a switch and a display panel.
As a further technical scheme of the scheme, a drainage valve is arranged at the bottom of the box body.
As a further technical scheme of the scheme, the box body and the box cover are both made of heat insulation materials, or the heat insulation materials are filled in the box body and the box cover.
Compared with the prior art, the utility model, following advantage and beneficial effect have: because the baffle is a plurality of with box inner space partition, then can place a plurality of examination moulds to the baffle simultaneously, can improve test efficiency like this to there is contrast data, improved experimental accurate nature. Through the linkage working mode of the temperature probe and the heating pipe, the water temperature in the box body can be guaranteed to fluctuate in a small range all the time, the temperature range specified by test regulations is met, and the accuracy of the test is favorably ensured.
Drawings
Fig. 1 is a front view schematic structural diagram of the present invention, and fig. 1 mainly shows a structural diagram of sectioning the inside of the box body.
Fig. 2 is a schematic view of the top view structure of the present invention, and the box cover is omitted in fig. 2.
The explanation of each reference number in the figure is: the water tank comprises a tank cover 1, a partition plate 2, a tank body 3, a drain valve 4, a grid support 5, a support 6, a heating pipe 7, a temperature probe 8, a work indicator lamp 9, a switch 10, a display panel 11 and a control box 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so as to further understand the concept, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought by the technical solutions of the present invention.
It should be understood that the description of these embodiments is illustrative and not restrictive in any way, and that the embodiments described are only some but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of preferred embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
The first embodiment is as follows:
as shown in fig. 1 and fig. 2, the underwater non-dispersive concrete sample forming water tank of the present invention comprises a tank body 3 and a tank cover 1 arranged on the top of the tank body 3; a partition board 2 capable of dividing the internal space of the box body 3 into a plurality of spaces capable of containing test pieces is arranged in the box body 3, and a heating pipe 7 and a temperature probe 8 are also arranged in the box body 3; the heating device also comprises a control box 12, wherein the heating pipe 7 and the temperature probe 8 are both connected with the control box 12; the control box 12 can control the start and stop of the heating pipe 7 according to the temperature detected by the temperature probe 8.
When in use, the clapboard 2 is firstly needed to be put into the box body 3, and then water is injected into the box body 3. The heating pipe 7 is controlled by the control box 12 to heat the water in the box body 3 to 20 +/-3 ℃, and the temperature probe 8 detects the water temperature in the box body 3. The temperature probe 8 and the heating pipe 7 are always in a linkage working relation, the temperature probe 8 is always used for detecting the water temperature, and if the detected water temperature exceeds 20 +/-3 ℃, the control box 12 stops the heating pipe 7; if the detected water temperature is less than 20 +/-3 ℃, the control box 12 continues to control the heating pipe 7 to work. When the temperature reaches 20 +/-3 ℃, the box cover 1 is covered, so that the water in the box body 3 is always maintained at 20 +/-3 ℃.
Placing a test mould for underwater forming in a space separated by the partition plate 2, adding water in the box body 3 to a position 150mm above the upper limit of the test mould, using a tool such as a hand shovel to drop concrete mixture which is not dispersed underwater from the water surface into the water, pouring the mixture into the test mould, wherein the feeding amount is about 1/10 of the volume of the test mould each time, the feeding operation is continuously carried out, the feeding amount is beyond the surface of the test mould, and the feeding time of each test mould is about 0.5-1 min. Then the test mould is taken out from the box body 3 and is kept stand for 5min to 10min, so that the concrete is self-leveling and self-compacting to reach a stable state. Both sides of the test mold were tapped with a mallet to facilitate drainage and then placed back into the water. And leveling the excessive poured concrete by using a trowel before initial setting, placing for 2 days, removing the form, and performing standard maintenance in water. When the predetermined age is reached, the test piece is taken out from the water and tested.
Because baffle 2 separates 3 inner space of box for a plurality ofly, then can place a plurality of examination moulds to baffle 2 simultaneously, can improve test efficiency like this to there is contrast data, improved experimental accurate nature. Through the linkage working mode of the temperature probe 8 and the heating pipe 7, the water temperature in the box body 3 can be guaranteed to fluctuate in a small range all the time, the temperature range specified by test regulations is met, and the accuracy of the test is favorably ensured.
The partition plate 2 comprises at least M transverse plates and at least N vertical plates, and the transverse plates and the vertical plates are arranged in a crossed manner; and M ≧ 0, N ≧ 1, M, N are all natural numbers. That is, at least one plate can be used to divide the interior of the case 3 into two spaces, and two test molds can be placed at the same time. Furthermore, a transverse plate and a vertical plate can be arranged to form a cross structure, so that the interior of the box body 3 can be divided into four spaces, and four test molds can be placed at the same time. Furthermore, two transverse plates and two vertical plates can be arranged to form a # -shaped structure, so that the interior of the box body 3 can be divided into nine spaces, and nine test molds can be placed at the same time. The transverse plate and the vertical plate can be vertically arranged and can also be arranged at a certain angle, and the test mold can be placed in the separated space. Usually 2 formula structures as an organic whole of baffle, diaphragm and riser are the integral type structure promptly, and such baffle 2 does not have the gap, can play good separation effect, avoids the water in two adjacent spaces to flow into each other, influences experimental accuracy.
A grid bracket 5 and a support 6 are also arranged in the box body 3; the grid support 5 is arranged at the bottom inside the box body 3 through the support 6, and the partition plate 2 is arranged at the top of the grid support 5; the heating pipe 7 and the temperature probe 8 are both arranged between the grid support 5 and the bottom inside the box body 3. The grid support 5 and the support 6 have two main functions, namely supporting the partition plate 2 and testing the mold, and providing accommodating space for the heating pipe 7 and the temperature probe 8. The heating pipes 7 are uniformly distributed in each space partitioned by the partition plate 2 to ensure uniform water temperature in the tank body 3.
The control box 12 further comprises a work indicator lamp 9, a switch 10 and a display panel 11. The working indicator lamp 9 can display the power-on condition of the equipment and can give a striking prompt to a tester when the water temperature reaches 20 +/-3 ℃. The display panel 11 can display the operation conditions of the device, including the power-on condition, the water temperature detected by the temperature probe 8, the operation condition of the heating pipe 7, and the like. The switch 10 is mainly used as a start-stop device of the whole equipment.
The bottom of box 3 is equipped with drainage valve 4, and after experimental completion, waste water can be through this drainage valve 4 discharge box 2 rapidly.
The box body 3 and the box cover 1 are both made of heat insulation materials, or the interior of the box body 3 and the box cover 1 is filled with the heat insulation materials. Can avoid the heat of 3 interior waters of box to run off at the excessive speed like this, ensure the stability of temperature, can also save the power consumption simultaneously.
The utility model has the advantages of as follows: firstly, the operation can be carried out by one person, the labor intensity is reduced, the labor is saved, and the cost is reduced; secondly, a plurality of groups of samples can be formed at one time, and sewage can be collected in a centralized manner and treated uniformly, thereby being beneficial to environmental protection; thirdly, the temperature is accurately controlled, and the precision of test detection and the accuracy of data are improved; fourthly, the efficiency is high, and the cost is controllable.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a not dispersion concrete sample shaping water tank under water which characterized in that: comprises a box body (3) and a box cover (1) arranged at the top of the box body (3); the box body (3) is internally provided with a clapboard (2) which can divide the internal space of the box body (3) into a plurality of spaces capable of accommodating test molds, and the box body (3) is internally provided with a heating pipe (7) and a temperature probe (8); the heating device also comprises a control box (12), wherein the heating pipe (7) and the temperature probe (8) are both connected with the control box (12); the control box (12) can control the starting and stopping of the heating pipe (7) according to the temperature detected by the temperature probe (8).
2. The underwater undispersed concrete sample forming water tank of claim 1, wherein: the partition plate (2) comprises at least M transverse plates and at least N vertical plates, and the transverse plates and the vertical plates are arranged in a crossed manner; and M ≧ 0, N ≧ 1, M, N are all natural numbers.
3. The underwater undispersed concrete sample forming water tank of claim 1, wherein: a grid support (5) and a support (6) are also arranged in the box body (3); the grid support (5) is arranged at the bottom inside the box body (3) through the support (6), and the partition plate (2) is arranged at the top of the grid support (5); the heating pipe (7) and the temperature probe (8) are arranged between the grid support (5) and the bottom inside the box body (3).
4. The underwater undispersed concrete sample forming water tank of claim 3, wherein: the heating pipes (7) are uniformly distributed in each space separated by the partition plate (2).
5. The underwater undispersed concrete sample forming water tank of claim 1, wherein: the control box (12) also comprises a working indicator lamp (9), a switch (10) and a display panel (11).
6. The underwater undispersed concrete sample forming water tank of claim 1, wherein: and a drainage valve (4) is arranged at the bottom of the box body (3).
7. The underwater undispersed concrete sample forming water tank of claim 1, wherein: the box body (3) and the box cover (1) are both made of heat-insulating materials, or the interior of the box body (3) and the interior of the box cover (1) are filled with the heat-insulating materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021748386.1U CN212904162U (en) | 2020-08-20 | 2020-08-20 | Under water non-dispersion concrete test piece forming water tank |
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| CN202021748386.1U CN212904162U (en) | 2020-08-20 | 2020-08-20 | Under water non-dispersion concrete test piece forming water tank |
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| CN212904162U true CN212904162U (en) | 2021-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094903A (en) * | 2022-07-21 | 2022-09-23 | 华北水利水电大学 | Underwater forming device and method for underwater undispersed concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094903A (en) * | 2022-07-21 | 2022-09-23 | 华北水利水电大学 | Underwater forming device and method for underwater undispersed concrete |
| CN115094903B (en) * | 2022-07-21 | 2024-03-22 | 华北水利水电大学 | Underwater non-dispersed concrete underwater forming device and method |
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