CN221039065U - Test device for measuring stability of self-compacting concrete - Google Patents
Test device for measuring stability of self-compacting concrete Download PDFInfo
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- CN221039065U CN221039065U CN202322969344.0U CN202322969344U CN221039065U CN 221039065 U CN221039065 U CN 221039065U CN 202322969344 U CN202322969344 U CN 202322969344U CN 221039065 U CN221039065 U CN 221039065U
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- self
- stability
- compacting concrete
- supporting
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- 239000011376 self-consolidating concrete Substances 0.000 title claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 15
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 12
- 238000005457 optimization Methods 0.000 description 8
- 238000005056 compaction Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of equipment for detecting the stability of a self-compacting concrete mixture, in particular to a test device for measuring the stability of the self-compacting concrete, which comprises a supporting part, a measuring part and a containing part, wherein the supporting part comprises a supporting top plate and a plurality of supporting rods uniformly distributed along the circumferential direction of the supporting top plate, a hollow guide pipe is fixedly arranged in the center of the supporting top plate, the measuring part comprises a measuring rod which is arranged in the hollow guide pipe and can be inserted and pulled out, an external thread is arranged on the measuring rod, a bolt is arranged on the part, penetrating through the upper part of the hollow guide pipe, of the measuring rod, the tail end of the measuring rod is provided with a blade group, the blade group comprises a plurality of blades which are mutually intersected and the bottom surfaces of which are positioned on the same horizontal plane, and the containing part is a storage groove for containing the blade group. The utility model is used for judging the stability of the self-compacting concrete mixture, is convenient for controlling the quality of the self-compacting concrete, is convenient to carry and is convenient for field operation.
Description
Technical Field
The utility model relates to the technical field of equipment for detecting the stability of a self-compacting concrete mixture, in particular to a test device for measuring the stability of the self-compacting concrete.
Background
The CRTSIII type slab ballastless track of the high-speed railway adopts a self-compaction concrete filling layer technology, is a novel slab type ballastless track structure which is independently innovated and has independent intellectual property rights, and the cross section of the CRTSIII type slab ballastless track structure is composed of a concrete supporting layer, a self-compaction concrete filling layer, a prefabricated track slab, fasteners, steel rails and the like from bottom to top, wherein the self-compaction concrete filling layer bears functions of adjustment, support, force transmission and the like, and the filling quality of the self-compaction concrete filling layer directly influences the service performance of the whole track structure.
The stability of the self-compacting concrete mixture has great influence on the construction quality of the self-compacting concrete, and good correlation exists between the index and the slump expansion, T500 time, J-ring height difference and other parameters of the concrete mixture. The stability index of the mixture shows a remarkable increasing trend along with the increase of the volume of the slurry and the doping amount of the water reducer; the best range of mix stability index exists for self-compacting concrete stability, so that the bond strength between self-compacting concrete and steam cured concrete is best. The stability index of a self-compacting concrete mixture refers to the depth of the skin slurry thickness meter that is immersed in the self-compacting concrete mixture over a period of time.
Disclosure of utility model
Aiming at the problems, the utility model provides a test device for measuring the stability of self-compacting concrete, which solves the problem that the on-site measurement of the stability of the self-compacting concrete is inconvenient.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a survey self-compaction concrete stability's test device, includes supporting part, survey part and holding part, the supporting part is including supporting roof and a plurality of edges supporting roof circumference evenly distributed's bracing piece, the fixed hollow pipe that is equipped with in supporting roof center, survey part includes that pluggable sets up survey pole in the hollow pipe, be equipped with the external screw thread on the survey pole, survey pole run through to the part on hollow pipe upper portion is equipped with the bolt, the end of survey pole is equipped with the blade group, the blade group includes a plurality of intercrossing and the bottom surface is located the blade of same horizontal plane, the holding part is for holding the storage groove of blade group.
As optimization, a plurality of connecting rods are arranged between the supporting top plate and the hollow guide pipe.
As optimization, the supporting rods are obliquely arranged on the supporting top plate, and an included angle between each supporting rod and the supporting top plate is an obtuse angle.
As optimization, the included angle between the supporting rod and the supporting top plate is 120 degrees.
Preferably, the aperture of the hollow conduit is 6mm and the length is 20mm.
As optimization, the measuring rod is provided with scales.
As optimization, the storage groove is a transparent cylinder.
As optimization, the height of each supporting rod is 250mm, the horizontal distance between the lower ends of two adjacent supporting rods is 300mm, and the horizontal distance between the upper ends is 100mm.
As optimization, the blade is made of stainless steel, the whole blade is cuboid, the length of the blade is 75mm, the width of the blade is 10mm, and the height of the blade is 1mm.
As optimization, the inner diameter of the object placing groove is 200mm, the height is 110mm, the wall thickness is 2mm, and graduation marks are carved on the position, which is 10mm away from the top end of the object placing groove, of the inner wall of the object placing groove.
The beneficial effects of the utility model are as follows: the test device for determining the stability of the self-compacting concrete is used for determining the stability of the self-compacting concrete mixture, is convenient for controlling the quality of the self-compacting concrete, is convenient to carry and is convenient for field operation.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Wherein: 1. the device comprises a supporting component 2, a measuring component 3, a containing component 4, a supporting top plate 5, a supporting rod 6, a hollow conduit 7, a measuring rod 8, a bolt 9, a blade 10, a storage groove 11 and a connecting rod.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
For convenience of description, the words "upper", "lower", "left" and "right" in the present utility model, if they mean only that the directions are consistent with the upper, lower, left, and right directions of the drawings per se, and do not limit the structure, only for convenience of description and simplification of the description, but do not indicate or imply that the apparatus or element to be 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 utility model.
As shown in fig. 1, a test device for measuring the stability of self-compacting concrete comprises a supporting component 1, a measuring component 2 and a containing component 3, wherein the supporting component 1 comprises a supporting top plate 4 and a plurality of supporting rods 5 uniformly distributed along the circumferential direction of the supporting top plate 4, the supporting rods 5 are obliquely arranged on the supporting top plate 4, an included angle between each supporting rod 5 and the supporting top plate 4 is an obtuse angle, the included angle between each supporting top plate 5 and the supporting top plate 4 is 120 degrees, a hollow guide pipe 6 is fixedly arranged at the center of the supporting top plate 4, the aperture of each hollow guide pipe 6 is 6mm, the length is 20mm, a plurality of connecting rods 11 are arranged between the supporting top plate 4 and each hollow guide pipe 6, each measuring component 2 comprises a measuring rod 7 which is arranged in the hollow guide pipe 6 in a pluggable manner, scales are arranged on each measuring rod 7, and external threads are arranged on each measuring rod 7, when the self-compacting concrete is required to be fixed, and therefore, the measuring component 2 can be suspended on the supporting component 1 by using bolts 8 on the measuring rods 7; the part that survey pole 7 runs through to hollow pipe 6 upper portion is equipped with bolt 8, the end of survey pole 7 is equipped with the blade group, the blade group includes a plurality of intercrossing and the bottom surface is located the blade 9 of same horizontal plane, holding part 3 is for holding the thing groove 10 of putting of blade group, put thing groove 10 is transparent cylinder.
The height of each supporting rod 5 is 250mm, the horizontal distance between the lower ends of two adjacent supporting rods 5 is 300mm, and the horizontal distance between the upper ends is 100mm.
The blade 9 is made of stainless steel, the whole blade 9 is cuboid, the length of the blade 9 is 75mm, the width of the blade is 10mm, and the height of the blade is 1mm.
The inner diameter of the storage groove 10 is 200mm, the height is 110mm, the wall thickness is 2mm, and graduation marks are carved on the position, which is 10mm away from the top end of the storage groove 10, of the inner wall of the storage groove 10.
Working principle: the utility model provides a test device for measuring the stability of self-compacting concrete, which comprises the following measuring steps:
(1) Uniformly and continuously placing the stirred concrete mixture into the placing groove 10, enabling the upper surface of the concrete mixture to be at the position of a scale mark 10mm away from the upper edge of the placing groove 10, and placing a measuring rod 7 on the measuring part 2 into a hollow guide pipe 6 in the center of the supporting top plate 4;
(2) The measuring part 2 is adjusted to enable the tail end of the measuring rod 7 to be just contacted with the upper surface of the concrete mixture, the measuring rod 7 is suspended on the hollow conduit 6 by using the bolt 8 at the upper part of the measuring rod 7, and meanwhile, the scale reading of the intersection of the measuring rod 7 and the upper edge of the hollow conduit 6 is read and recorded as A;
(3) After standing for 15min, turning the knob bolt 8 to enable the measuring rod 7 to freely sink into the concrete mixture, and after timing for 30s, reading a scale reading B at the intersection of the measuring rod 7 and the upper edge of the hollow conduit 6;
(4) The self-compacting concrete mix stability index l=b-ase:Sub>A was calculated.
The foregoing embodiments are merely examples of the present utility model, and the scope of the present utility model includes, but is not limited to, the forms and styles of the foregoing embodiments, and any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present utility model, shall fall within the scope of the present utility model.
Claims (10)
1. A test device for determining the stability of self-compacting concrete is characterized in that: including supporting part, survey part and holding part, supporting part is including supporting the roof and a plurality of edges supporting the bracing piece of roof circumference evenly distributed, supporting the roof center and fixedly being equipped with hollow pipe, survey part is including pluggable setting up survey pole in the hollow pipe, be equipped with the external screw thread on the survey pole, survey pole runs through to the part on hollow pipe upper portion is equipped with the bolt, the end of survey pole is equipped with the blade group, the blade group includes a plurality of intercrosses and the bottom surface is located the blade of same horizontal plane, the holding part is for holding the storage groove of blade group.
2. The test device for determining the stability of self-compacting concrete according to claim 1, wherein: a plurality of connecting rods are arranged between the supporting top plate and the hollow guide pipe.
3. The test device for determining the stability of self-compacting concrete according to claim 1, wherein: the bracing piece slope sets up on supporting the roof, and with the contained angle between the supporting the roof is the obtuse angle.
4. A test device for determining the stability of self-compacting concrete according to claim 3, wherein: the included angle between the support rod and the support top plate is 120 degrees.
5. The test device for determining the stability of self-compacting concrete according to claim 4, wherein: the aperture of the hollow conduit is 6mm, and the length of the hollow conduit is 20mm.
6. The test device for determining the stability of self-compacting concrete according to claim 5, wherein: the measuring rod is provided with scales.
7. The test device for determining the stability of self-compacting concrete according to claim 6, wherein: the storage groove is a transparent cylinder.
8. The test device for determining the stability of self-compacting concrete according to claim 7, wherein: the height of the supporting rods is 250mm, the horizontal distance between the lower ends of two adjacent supporting rods is 300mm, and the horizontal distance between the upper ends of the two adjacent supporting rods is 100mm.
9. The test device for determining the stability of self-compacting concrete of claim 8, wherein: the blade is made of stainless steel, the whole blade is cuboid, the length of the blade is 75mm, the width of the blade is 10mm, and the height of the blade is 1mm.
10. The test device for determining the stability of self-compacting concrete according to claim 9, wherein: the internal diameter of putting thing groove is 200mm, and the height is 110mm, and the wall thickness is 2mm, just put thing inslot wall distance put thing groove's top 10mm department carved with the scale mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322969344.0U CN221039065U (en) | 2023-11-03 | 2023-11-03 | Test device for measuring stability of self-compacting concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322969344.0U CN221039065U (en) | 2023-11-03 | 2023-11-03 | Test device for measuring stability of self-compacting concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221039065U true CN221039065U (en) | 2024-05-28 |
Family
ID=91170742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322969344.0U Active CN221039065U (en) | 2023-11-03 | 2023-11-03 | Test device for measuring stability of self-compacting concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221039065U (en) |
-
2023
- 2023-11-03 CN CN202322969344.0U patent/CN221039065U/en active Active
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