CN113156094A - Self-compaction concrete slump expansion degree testing arrangement - Google Patents
Self-compaction concrete slump expansion degree testing arrangement Download PDFInfo
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- CN113156094A CN113156094A CN202110422388.4A CN202110422388A CN113156094A CN 113156094 A CN113156094 A CN 113156094A CN 202110422388 A CN202110422388 A CN 202110422388A CN 113156094 A CN113156094 A CN 113156094A
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- rod piece
- concrete slump
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- positioning rod
- detection platform
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- 239000004567 concrete Substances 0.000 title claims abstract description 59
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000005056 compaction Methods 0.000 title claims description 13
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 239000011376 self-consolidating concrete Substances 0.000 claims abstract description 19
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 10
- 241001330002 Bambuseae Species 0.000 claims abstract description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 10
- 239000011425 bamboo Substances 0.000 claims abstract description 10
- 241000669069 Chrysomphalus aonidum Species 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to the field of building construction, in particular to a self-compacting concrete slump expansion testing device which comprises a concrete slump cylinder, a detection platform center positioning rod piece, an angle measuring disc, a measuring rod piece and an electronic laser transmitter, wherein the center of the detection platform is provided with a plurality of circular scale marks with different diameters, and the center of the center positioning rod piece and the center of the detection platform are on the same vertical line. The invention has the advantages that: through the top cap sliding fit of center location member and concrete slump section of thick bamboo, can assist concrete slump section of thick bamboo and testing platform's center to aim at, make the operation more accurate, simple and convenient. The central positioning rod piece is vertically arranged on the detection platform and can directly pass through the detection platform, so that the operation process of reading by using a ruler is reduced, and the inconvenience caused by carrying various measuring tools in the prior art is avoided; the precision of the operator in the process of lifting the concrete slump cone along the vertical direction is guaranteed through the connecting part, and then the measured data are more accurate.
Description
Technical Field
The invention relates to the field of building construction, in particular to a self-compacting concrete slump expansion degree testing device.
Background
Self-compacting concrete is concrete that has high mobility, homogeneity and stability, need not the condition that external force vibrated when pouring, can flow and be full of the template space under the dead weight effect. In order to ensure that the self-compaction performance of the self-compaction concrete mixture meets the requirements of engineering application, relevant specifications have specific requirements on the index of the self-compaction performance of the self-compaction concrete mixture, wherein the expansion time of the self-compaction concrete is one of the important indexes of the self-compaction performance of the self-compaction concrete mixture. For the detection of the expansion time of the self-compacting concrete, at present, a concrete slump cone is adopted, and a hard bottom plate and a stopwatch which are concentric circles with the diameters of 200mm, 300mm, 500mm, 600mm, 700mm, 800mm and 900mm are marked for carrying out test testing; during the test, the central position of the bottom plate is placed on the slump cone, the self-compacting concrete mixture is poured until the upper edge of the slump cone is level, and then the slump cone is lifted upwards by about 300 mm; the timing is started when the slump cone is lifted away from the bottom plate, and the timing is stopped until the outer edge of the expanded concrete touches the circumference with the diameter of 500mm on the bottom plate, and the measured time is the expansion time (T50) of the self-compacting concrete, and the precision is required to be 0.1 s.
At present, self-compaction performance detects the detector that adopts to constitute by a slump section of thick bamboo and smooth flat board usually, need be with the center of a slump section of thick bamboo and the center of smooth flat board on same plumb line, and need follow vertical direction and promote a concrete slump section of thick bamboo, has the measuring error that multiple probably produced such as test face, angle of putting, ruler reading in the measurement process, and experimental precision can not obtain the assurance.
Disclosure of Invention
The invention aims to provide a self-compacting concrete slump expansion testing device, which overcomes the defects of the prior art, improves the operation precision of operators, and reduces measurement errors, so that the tested data are more accurate. A
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention aims to provide a self-compacting concrete slump expansion testing device, which comprises: the concrete slump cone and the detection platform are characterized by also comprising a central positioning rod piece, an angle measuring disc, a measuring rod piece and an electronic laser transmitter,
the center of the detection platform is provided with a plurality of circular scale marks with different diameters, the center of the center positioning rod piece and the center of the detection platform are on the same plumb line, and the upper part of the center positioning rod piece is provided with a locking hole; the concrete slump cone comprises a cone body and a top cover, wherein the top cover is provided with a concrete pouring opening and a central positioning rod piece penetrating opening, the central positioning rod piece penetrating opening is also provided with a hollow tubular connecting part which extends vertically and upwards, the connecting part is also provided with a positioning bolt, and the concrete slump cone and the central positioning rod piece are connected in a sliding manner through the central positioning rod piece penetrating opening; the angle measuring disc is detachably fixed on the upper part of the central positioning rod piece, the measuring rod piece is horizontally and rotatably arranged on the central positioning rod piece, the electronic laser emitter is slidably arranged on the measuring rod piece, the measuring rod piece is abutted with the top surface of the angle measuring disc,
self-compaction concrete slump expansion testing arrangement still has the measuring state, and when measuring state, positioning bolt and locking hole cooperation are connected for fix the upper portion at central location member with a concrete slump section of thick bamboo.
As a further description of the above solution, the circle scale lines have diameters of 200mm, 300mm, 500mm, 600mm, 700mm, 800mm and 900 mm.
As a further description of the above solution, the center positioning rod is connected with the detection platform in a threaded connection or a snap connection.
As a further description of the above scheme, the detection platform is provided with horizontal bubbles, and the detection platform includes a base layer and a surface layer, and the surface layer is a PVC surface layer.
As a further description of the above scheme, an angle scale line is provided on the angle measuring disk, and the electronic laser transmitter is a spot laser transmitter.
As a further description of the above scheme, a supporting leg is arranged at the lower part of the detection platform, a thread adjusting part is arranged on the supporting leg, wherein the supporting leg comprises an upper supporting leg and a lower supporting leg, an internal thread is arranged at the butt joint end of the upper supporting leg and the thread adjusting part, an external thread is arranged at the butt joint end of the lower supporting leg and the thread adjusting part, and the matching length between the thread adjusting part and the upper supporting leg and between the thread adjusting part and the lower supporting leg is adjusted through the internal thread and the external thread.
As further description of the scheme, handles are symmetrically arranged on two sides of the barrel body.
As a further description of the above solution, the number of the locking holes is at least one.
Compared with the prior art, the invention has the beneficial effects that:
1. through the top cap sliding fit of center location member and concrete slump section of thick bamboo, can assist concrete slump section of thick bamboo and testing platform's center to aim at, make the operation more accurate, simple and convenient.
2. The precision of the operator in the process of lifting the concrete slump cone along the vertical direction is guaranteed through the connecting part, and then the measured data are more accurate.
3. The maximum diameter of the concrete after being unfolded is measured through the cooperation of the electronic laser transmitter and the length measuring rod piece, and the unfolded diameter of the concrete vertical to the maximum diameter of the concrete after being unfolded is measured, so that the measuring result is more accurate, and the inconvenience caused by the fact that various measuring tools need to be carried in the prior art is avoided.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of an inspection platform in an embodiment of the present invention;
FIG. 3 is a schematic structural view of a concrete slump cone in an embodiment of the present invention;
in the figure: 1-a support leg; 2-detection platform; 21-ring scale line; 22-horizontal bubble; 3-concrete slump cone; 31-a barrel body; 32-a top cover; 32-a top cover; 33-a connecting portion; 34-a concrete pouring port; 4-a central positioning rod; 5-size scale lines; 6-handle; 7-angle measuring disc; 8-length measuring rod member; 9-an electron laser emitter; 10-threaded adjustment.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
The components of embodiments of the present invention 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, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
The embodiments of the invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 to 3, which are schematic structural diagrams of an embodiment of a self-compacting concrete slump expansion testing device according to the present invention, the device comprises: a concrete slump cone 3, a detection platform 2, a central positioning rod 4, an angle measuring disc 7, a measuring rod 8 and an electronic laser transmitter 9,
the center of the detection platform 2 is provided with a plurality of circular scale marks 21 with different diameters, the center of the central positioning rod piece 4 and the center of the detection platform 2 are on the same vertical line, and the upper part of the central positioning rod piece 4 is provided with a locking hole; the concrete slump cone 3 comprises a cone body 31 and a top cover 32, the top cover 32 is provided with a concrete pouring opening 34 and a central positioning rod piece penetrating opening, the central positioning rod piece penetrating opening is also provided with a hollow tubular connecting part 33 extending vertically and upwards, the connecting part 33 is also provided with a positioning bolt 5, and the concrete slump cone 3 is in sliding connection with the central positioning rod piece 4 through the central positioning rod piece penetrating opening; the angle measuring disk 7 is detachably fixed on the upper part of the central positioning rod piece 4, the measuring rod piece 8 is horizontally and rotatably arranged on the central positioning rod piece 4, the electronic laser transmitter 9 is slidably arranged on the measuring rod piece 8, the measuring rod piece 8 is abutted with the top surface of the angle measuring disk 7,
wherein self-compaction concrete slump expansion testing arrangement still has the measuring state, and when measuring the state, positioning bolt 5 and locking hole cooperation are connected for fix concrete slump section of thick bamboo 3 on the upper portion of central location member 4, wherein, the locking hole is at least one.
The structure can be matched with the top cover 32 of the concrete slump cone in a sliding way through the central positioning rod piece 4, and can assist the center alignment of the concrete slump cone 3 and the detection platform 2, so that the operation is more accurate and simple; the precision of the operator in lifting the concrete slump cone 3 along the vertical direction is ensured through the connecting part 33, so that the measured data are more accurate; the maximum diameter of the concrete after being unfolded is measured through the cooperation of the electronic laser transmitter 9 and the length measuring rod 8, and the unfolded diameter of the concrete vertical to the maximum diameter of the concrete after being unfolded is measured, so that the measuring result is more accurate, and the inconvenience caused by the fact that various measuring tools need to be carried in the prior art is avoided.
Wherein the diameter of the ring scale 21 is 200mm, 300mm, 500mm, 600mm, 700mm, 800mm and 900 mm.
The central positioning rod piece 4 is detachably arranged on the detection platform 2, and the central positioning rod piece 4 is in threaded connection with the detection platform 2.
In order to facilitate checking the levelness of the detection platform 2 and ensure the testing precision, the detection platform 2 is provided with horizontal bubbles 22; detection platform includes basic unit and surface course, and the surface course is the PVC surface course, and this kind of structure can be after the slump expansion degree that has detected the concrete, and the clearance of being more convenient for provides convenience for the detection achievement of subsequence.
The angle measuring disc 7 is provided with angle scale lines, the electronic laser emitter 9 is a point laser emitter, and the maximum diameter of the concrete after being unfolded and the diameter perpendicular to the maximum diameter need to be measured in the expansion degree test, so that the diameter in the other direction can be more conveniently measured through the angle measuring disc 7.
In order to facilitate the leveling of the detection platform 2, a support leg 1 is arranged at the lower part of the detection platform 2, a thread adjusting part 10 is arranged on the support leg 1, wherein the support leg 1 comprises an upper support leg 101 and a lower support leg 102, an internal thread is arranged at the butt joint end of the upper support leg 101 and the thread adjusting part 10, an external thread is arranged at the butt joint end of the lower support leg 102 and the thread adjusting part 10, and the matching length between the thread adjusting part 10 and the upper support leg 101 and the lower support leg 102 is adjusted through the internal thread and the external thread by the thread adjusting part 10.
In order to ensure that the cylinder body 31 is lifted vertically upwards along the connecting part 33 when the operator lifts the concrete slump cone 3, handles 6 are symmetrically arranged on two sides of the cylinder body 31.
When the device is used, a central positioning rod piece 4 is fixed on a detection platform in a threaded mode, the levelness of the detection platform 2 is adjusted through a horizontal bubble 22, a concrete slump cone 3 is sleeved on the central positioning rod piece 4 and is aligned with the center of the detection platform 2, self-compacting concrete is poured into the device, the concrete slump cone 3 is lifted, the concrete slump cone 3 is fixed on the upper portion of the central positioning rod piece 4 through the matching of a positioning bolt 5 and a locking hole, when the expansion degree of the self-compacting concrete is detected, an electronic laser emitter 9 is slid, the maximum diameter of the unfolded concrete is measured through the matching of the electronic laser emitter 9 and a length measurement rod piece 8, then the concrete unfolding diameter vertical to the maximum diameter of the unfolded concrete is measured through rotating the measurement rod piece by 90 degrees through an angle measurement disc 7, and finally the average value is calculated.
Measuring the slump expansion of the concrete through the ring scale marks 21 of the detection platform 2; the time required for the concrete to spread to the 500mm circle (T50) S was recorded.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A self-compacting concrete slump expansion testing arrangement includes: the concrete slump cone comprises a concrete slump cone (3) and a detection platform (2), and is characterized by further comprising a central positioning rod piece (4), an angle measuring disc (7), a measuring rod piece (8) and an electronic laser transmitter (9), wherein a plurality of circular scale marks (21) with different diameters are arranged at the center of the detection platform (2), the center of the central positioning rod piece (4) and the center of the detection platform (2) are on the same vertical line, and a locking hole is formed in the upper portion of the central positioning rod piece (4); the concrete slump cone (3) comprises a cone body (31) and a top cover (32), the top cover (32) is provided with a concrete pouring opening (34) and a central positioning rod piece penetrating opening, the central positioning rod piece penetrating opening is also provided with a hollow tubular connecting part (33) which vertically extends upwards, a positioning bolt (5) is further arranged on the connecting part (33), and the concrete slump cone (3) is in sliding connection with the central positioning rod piece (4) through the central positioning rod piece penetrating opening; the angle measuring disc (7) is fixed on the upper part of the central positioning rod piece (4), the measuring rod piece (8) is horizontally and rotatably arranged on the central positioning rod piece (4), the electronic laser emitter (9) is slidably arranged on the measuring rod piece (8), and the measuring rod piece (8) is abutted against the top surface of the angle measuring disc (7);
self-compaction concrete slump expansion testing arrangement still has the measuring state, and when measuring state, positioning bolt (5) and locking hole cooperation are connected for fix the upper portion at central location member (4) with concrete slump section of thick bamboo (3).
2. The self-compacting concrete slump expansion testing device of claim 1, wherein the diameter of the ring scale mark (21) is 200mm, 300mm, 500mm, 600mm, 700mm, 800mm and 900 mm.
3. The self-compacting concrete slump expansion testing device of claim 3, wherein the central positioning rod (4) is in threaded connection or snap connection with the detection platform (2).
4. The self-compacting concrete slump expansion testing device of claim 1, wherein the detection platform (2) is provided with horizontal air bubbles (22), the detection platform comprises a base layer and a surface layer, and the surface layer is a PVC surface layer.
5. The self-compacting concrete slump expansion testing device as claimed in claim 1, wherein the angle measuring disc (7) is provided with angle scale marks, and the electronic laser emitter (9) is a point laser emitter.
6. The self-compacting concrete slump expansion testing device of claim 1, wherein a supporting leg (1) is arranged at the lower part of the detection platform (2), a thread adjusting part (10) is arranged on the supporting leg (1), the supporting leg (1) comprises an upper supporting leg (101) and a lower supporting leg (102), an internal thread is arranged at the butt joint end of the upper supporting leg (101) and the thread adjusting part (10), an external thread is arranged at the butt joint end of the lower supporting leg (102) and the thread adjusting part (10), and the matching length between the thread adjusting part (10) and the upper supporting leg (101) and the lower supporting leg (102) is adjusted through the internal thread and the external thread by the thread adjusting part (10).
7. The self-compacting concrete slump expansion testing device as claimed in claim 1, wherein handles (6) are symmetrically arranged on two sides of the barrel (31).
8. The self-compacting concrete slump expansion testing device of claim 1, wherein the number of the locking holes is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422388.4A CN113156094A (en) | 2021-04-20 | 2021-04-20 | Self-compaction concrete slump expansion degree testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422388.4A CN113156094A (en) | 2021-04-20 | 2021-04-20 | Self-compaction concrete slump expansion degree testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113156094A true CN113156094A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110422388.4A Pending CN113156094A (en) | 2021-04-20 | 2021-04-20 | Self-compaction concrete slump expansion degree testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578031A (en) * | 2022-05-07 | 2022-06-03 | 南京庆瑞水泥有限公司 | A test check out test set for cement concrete slump detects |
-
2021
- 2021-04-20 CN CN202110422388.4A patent/CN113156094A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578031A (en) * | 2022-05-07 | 2022-06-03 | 南京庆瑞水泥有限公司 | A test check out test set for cement concrete slump detects |
| CN114578031B (en) * | 2022-05-07 | 2022-09-02 | 山东鲁勘工程检测鉴定有限公司 | A test check out test set for cement concrete slump detects |
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