CN210015016U - Device for testing concrete vibrating fluidity - Google Patents
Device for testing concrete vibrating fluidity Download PDFInfo
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- CN210015016U CN210015016U CN201920519267.XU CN201920519267U CN210015016U CN 210015016 U CN210015016 U CN 210015016U CN 201920519267 U CN201920519267 U CN 201920519267U CN 210015016 U CN210015016 U CN 210015016U
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Abstract
The utility model discloses a device of test concrete degree of flow that vibrates, include: a steel plate horizontally placed; the steel bars are vertically arranged on the upper surface of the steel plate at intervals, and the horizontal projections of the steel bars are connected to form an annular ring; the lower surfaces of the circular rings are fixedly connected to the upper ends of the reinforcing steel bars; the lower end of the inner cylinder is fixed on the upper surface of the circular ring, and the inner cylinder penetrates up and down to form a filling space; the outer cylinder is sleeved on the outer side of the circular ring, a pair of lifting handles is arranged on the outer side wall of the outer cylinder, and the outer cylinder is vertically arranged on the steel plate in a penetrating mode. The utility model discloses have the beneficial effect that the concrete that can contrast different performance directly perceived passes the mobile performance of reinforcing bar under the condition of vibrating.
Description
Technical Field
The utility model relates to a building engineering technical field. More specifically, the utility model relates to a device of test concrete vibration mobility.
Background
Concrete is one of the most important civil engineering materials of the present generation. The artificial stone is prepared by a cementing material, granular aggregate, water, an additive and an admixture which are added if necessary according to a certain proportion, and is formed by uniformly stirring, compacting, curing and hardening;
at present, the fluidity of common concrete is mainly characterized by slump test, but the test method cannot simulate the flowing performance of reinforcing steel bars during construction on one hand, neglects the influence of vibration on concrete flowing filling on the other hand, and the vibration-free self-compacting concrete J-shaped ring and the L-shaped instrument with the grating can simulate the rheological characteristics of concrete under the condition of the reinforcing steel bars, but cannot be applied to the common concrete. At present, whether the vibration reaches the requirement of the compactness of the concrete is judged only by manpower, and the flow performance of the concrete under the conditions of reinforcing steel bars and vibration is not evaluated by a standardized means.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses it is still another purpose to provide a device of test concrete vibration mobility, the mobility that the different performance concrete of contrast directly perceived passed the reinforcing bar under the condition of vibrating.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an apparatus for testing concrete vibration fluidity, including:
the steel plate is horizontally arranged, and a first circle and a second circle which are concentric and have different diameters are marked on the upper surface of the steel plate;
the steel bars are vertically arranged on the upper surface of the steel plate at intervals, the horizontal projections of the steel bars are connected to form an annular ring, the inner diameter of the annular ring is equal to the diameter of the first ring, and the arc length between every two adjacent steel bars is equal;
the lower surface of the circular ring is fixedly connected to the upper ends of the steel bars, the inner diameter of the circular ring is equal to the diameter of the first circle, and the horizontal projection of the circular ring covers the horizontal projection of the steel bars;
the lower end of the inner cylinder is fixed on the upper surface of the circular ring, the inner diameter of the inner cylinder is equal to the inner diameter of the circular ring, the outer diameter of the inner cylinder is smaller than the outer diameter of the circular ring, and the inner cylinder penetrates up and down to form a filling space;
the outer cylinder is sleeved on the outer side of the circular ring, the inner diameter of the outer cylinder is slightly larger than the outer diameter of the circular ring, a pair of lifting handles is arranged on the outer side wall of the outer cylinder, and the outer cylinder is vertically communicated and placed on the steel plate.
Preferably, the number of the reinforcing steel bars is 16, the diameter of the reinforcing steel bars is 16mm, and the height of the reinforcing steel bars is 100 mm.
Preferably, the inner cylinder has an inner diameter of 300mm and a height of 500mm, and the outer cylinder has an inner diameter of 400mm and a height of 300-600 mm.
Preferably, the diameter of the first circle is 300mm, and the diameter of the second circle is 1000 mm.
Preferably, the edge of the steel plate is provided with a vertical upward square fence.
Preferably, the steel plate is square, and the side length of the steel plate is 1.5 times of the diameter of the second circle.
The utility model discloses at least, include following beneficial effect: the device for testing the flowability of the concrete under the conditions of reinforcing bar separation and vibration can be used for visually comparing the flowability of the concrete with different performances by using the same vibration process, and the device is simple to operate, convenient and fast.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a testing device according to one of the technical solutions of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
In the description of the present invention, the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides a device of test concrete vibration mobility, include:
the concrete vibrating machine comprises a steel plate 1, wherein the steel plate 1 is horizontally arranged, a first circle 2 and a second circle 3 which are concentric and have different diameters are marked on the upper surface of the steel plate 1, the first circle 2 and the second circle 3 are arranged at the center of the steel plate 1, the position of a plurality of steel bars 4 can be conveniently determined by arranging the first circle 2, the arrangement of the second circle 3 is equivalent to arranging a standard for measuring the concrete fluidity, and the time from the beginning of vibrating the concrete to the time from the concrete flowing to the second circle 3 can be visually observed and recorded;
the steel bars 4 are vertically arranged on the upper surface of the steel plate 1 at intervals, the horizontal projections of the steel bars 4 are connected to form an annular ring, the inner diameter of the annular ring is equal to the diameter of the first ring 2, the steel bars 4 are used for simulating real construction conditions, and the arc lengths of the two adjacent steel bars 4 are equal;
the lower surface of the circular ring 5 is fixedly connected to the upper ends of the reinforcing steel bars 4, the upper ends of the reinforcing steel bars 4 are welded to the lower surface of the circular ring 5, the inner diameter of the circular ring 5 is equal to the diameter of the first circle, and the horizontal projection of the circular ring covers the horizontal projection of the reinforcing steel bars;
the lower end of the inner cylinder 6 is welded and fixed on the upper surface of the circular ring 5, the inner diameter of the inner cylinder 6 is equal to the inner diameter of the circular ring 5, and the outer diameter of the inner cylinder 6 is smaller than the outer diameter of the circular ring 5, so that the horizontal projections of the inner side of the inner cylinder 6, the inner side of the circular ring 5 and the inner side of the annular ring are positioned on the same circle, and a pouring space formed by the up-and-down through of the inner cylinder 6 is free from obstruction from top to bottom;
the outer cylinder 7 is sleeved on the outer side of the circular ring 5, the inner diameter of the outer cylinder 7 is slightly larger than the outer diameter of the circular ring 5, a pair of lifting handles 8 are arranged on the outer side wall of the outer cylinder 7, when the outer cylinder 7 is lifted, force is conveniently exerted, and the outer cylinder 7 penetrates up and down and is placed on the steel plate 1.
In the technical scheme, a steel plate 1 is placed on a solid horizontal plane, the whole of a plurality of steel bars 4-circular rings 5-inner cylinders 6 in a welding combination is placed on the steel plate 1, the inner side of the horizontal projection of the whole is superposed with a first circular ring 2, a sponge or a towel is used for wetting the inner cylinder 6, the outer cylinder 7 and the steel plate 1, the surfaces of the inner cylinder 6, the outer cylinder 7 and the steel plate 1 are free of bright water, the outer cylinder 7 is sleeved on the outer side of the whole of the plurality of steel bars 4-circular rings 5-inner cylinders 6 in a welding combination, concrete is quickly filled into the inner cylinder 6 until the concrete is flush with the upper end of the inner cylinder 6, a lifting handle 8 is held to take out the outer cylinder 7, a vibrating rod is inserted into the concrete in the inner cylinder 6 to start vibrating, the time from the beginning of vibrating to the time when the concrete is completely diffused to a second circular ring 3 of the steel plate 1 is recorded, a plurality of different concretes are measured, the time for, and then, the time is compared, the flowability of different concretes is judged, the working condition conditions of the concrete containing the reinforcing steel bars 4 and the vibration construction are highly simulated, the flowability of the concretes with different performances using the same vibration process can be visually compared, and the device is simple to operate, convenient and fast.
In another technical scheme, the number of the reinforcing steel bars 4 is 16, the diameter of each reinforcing steel bar 4 is 16mm, the height of each reinforcing steel bar 4 is 100mm, the specification of the reinforcing steel bars 4 under one condition is simulated, and the flowability of the concrete during vibration is measured.
In another technical scheme, the inner cylinder 6 has an inner diameter of 300mm and a height of 500mm, and the outer cylinder 7 has an inner diameter of 400mm and a height of 300-600 mm, so as to simulate the casting thickness of concrete.
In another technical scheme, the diameter of the first circle 2 is 300mm, the diameter of the second circle 3 is 1000mm, and the distance between the first circle 2 and the second circle 3 is determined, so that the standard is more clear when the concrete fluidity is measured.
In another technical scheme, the edge of the steel plate 1 is provided with a vertical upward square enclosure, and after the concrete fluidity measurement is completed, the concrete is convenient to collect.
In another technical scheme, the steel plate 1 is square, and the side length of the steel plate 1 is 1.5 times of the diameter of the second circle 3, so that the concrete has a larger surface which can be diffused and cannot flow to the ground.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. Device of test concrete vibration mobility, its characterized in that includes:
the steel plate is horizontally arranged, and a first circle and a second circle which are concentric and have different diameters are marked on the upper surface of the steel plate;
the steel bars are vertically arranged on the upper surface of the steel plate at intervals, the horizontal projections of the steel bars are connected to form an annular ring, the inner diameter of the annular ring is equal to the diameter of the first ring, and the arc length between every two adjacent steel bars is equal;
the lower surface of the circular ring is fixedly connected to the upper ends of the steel bars, the inner diameter of the circular ring is equal to the diameter of the first circle, and the horizontal projection of the circular ring covers the horizontal projection of the steel bars;
the lower end of the inner cylinder is fixed on the upper surface of the circular ring, the inner diameter of the inner cylinder is equal to the inner diameter of the circular ring, the outer diameter of the inner cylinder is smaller than the outer diameter of the circular ring, and the inner cylinder penetrates up and down to form a filling space;
the outer cylinder is sleeved on the outer side of the circular ring, the inner diameter of the outer cylinder is slightly larger than the outer diameter of the circular ring, a pair of lifting handles is arranged on the outer side wall of the outer cylinder, and the outer cylinder is vertically communicated and placed on the steel plate.
2. The apparatus for testing concrete vibration fluidity according to claim 1, wherein the number of the plurality of reinforcing bars is 16, the diameter of the reinforcing bars is 16mm, and the height of the reinforcing bars is 100 mm.
3. The apparatus for testing concrete vibration fluidity according to claim 1, wherein the inner cylinder has an inner diameter of 300mm and a height of 500mm, and the outer cylinder has an inner diameter of 400mm and a height of 300 to 600 mm.
4. The apparatus for testing concrete vibration fluidity according to claim 1, wherein the diameter of the first circle is 300mm, and the diameter of the second circle is 1000 mm.
5. The apparatus for testing concrete vibration fluidity according to claim 1, wherein the edge of the steel plate is provided with a vertical upward square fence.
6. The apparatus for testing concrete vibration fluidity according to claim 1, wherein the steel plate is square, and the side length of the steel plate is 1.5 times the diameter of the second circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519267.XU CN210015016U (en) | 2019-04-16 | 2019-04-16 | Device for testing concrete vibrating fluidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519267.XU CN210015016U (en) | 2019-04-16 | 2019-04-16 | Device for testing concrete vibrating fluidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210015016U true CN210015016U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920519267.XU Active CN210015016U (en) | 2019-04-16 | 2019-04-16 | Device for testing concrete vibrating fluidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210015016U (en) |
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2019
- 2019-04-16 CN CN201920519267.XU patent/CN210015016U/en active Active
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