CN108459153A - concrete mixture performance test device and test method thereof - Google Patents
concrete mixture performance test device and test method thereof Download PDFInfo
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- CN108459153A CN108459153A CN201810253600.7A CN201810253600A CN108459153A CN 108459153 A CN108459153 A CN 108459153A CN 201810253600 A CN201810253600 A CN 201810253600A CN 108459153 A CN108459153 A CN 108459153A
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- 239000000203 mixture Substances 0.000 title claims abstract description 83
- 238000011056 performance test Methods 0.000 title claims abstract description 14
- 238000010998 test method Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 127
- 238000002474 experimental method Methods 0.000 claims description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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)
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- General Health & Medical Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a concrete mixture performance test device and a test method thereof, relates to the field of concrete mixture performance test, and aims to solve the problem that in the existing concrete mixture performance test process, the test result is invalid due to the fact that the ground levelness of the test cannot meet the requirement. The concrete mixture performance test device comprises a slump cone, a test platform, a universal level gauge and a plurality of supporting legs. Each landing leg is all installed on test platform, installs the adjusting part who is used for adjusting its strong point height on at least some landing legs. The performance test method of the concrete mixture utilizes the concrete mixture performance test device to test the performance of the concrete mixture. The concrete mixture performance test device and the test method thereof provided by the invention are used for overcoming the defect that the test result is invalid due to the fact that the random ground levelness does not reach the standard in the previous test process, so that the test efficiency is improved.
Description
Technical field
The present invention relates to concrete mixture characteristic technical field of measurement and test more particularly to a kind of concrete mixture characteristic to try
Experiment device and its test method.
Background technology
Various composition materials proportion in concrete, and the mixture being agitated to form is known as concrete mix.
In work progress, in order to ensure construction quality, it usually needs test the performance of concrete mix.
Due in concrete construction site, concreting place be it is randomly selected according to arrangement and method for construction, therefore, coagulation
Native mixture performance test can only carry out on random ground.And due to construction site environment complexity, and the water on ground at random
Pingdu can only rely on range estimation to be judged so that the levelness on selected random ground is often unable to reach test requirements document, in turn
Cause test result invalid, it is necessary to reselect ground grading and continue to test, not only greatly reduce test efficiency, but also increase
The working strength of testing crew is added.
In addition, during existing concrete mixture performance test, the bottom plate used is mostly unit in charge of construction's self manufacture,
And slump cone is fixed using the artificial mode of trampling.Since personnel frequently stand in the middle part of bottom plate, bottom plate is often caused
Deflection deformation, and then there is the unfavorable situation that test effect is invalid caused by deflection deformation is larger.
Invention content
First of the present invention is designed to provide a kind of concrete mixture characteristic experimental rig, to solve existing coagulation
During native mixture performance test, the invalid technology of test result is asked caused by experiment ground levelness does not reach requirement
Topic.
Concrete mixture characteristic experimental rig provided by the invention, is surveyed for the performance to concrete mix
Examination, including slump cone, the test platform for placing the slump cone and it is used to support multiple of the test platform
Leg.
Each supporting leg is installed on the test platform, is equipped on at least partly described supporting leg for adjusting its branch
The adjusting part of support point height.
It is provided with Universal level-metre on the test platform.
Further, along the support direction of the supporting leg, the bottom end of the supporting leg offers threaded hole.
The adjusting part includes for being bolted in the adjusting screw rod of the threaded hole and being fixed on the adjusting screw rod
One wing nut, first wing nut are located at the one end of the adjusting screw rod far from the supporting leg.
Further, the bottom end of the adjusting screw rod includes spherical portion, and pedestal is equipped in the spherical portion, makes the tune
Section screw rod is connect with the pedestal flexural pivot.
Further, the adjusting part further includes the second wing nut being screwed onto on the adjusting screw rod, and described
Two wing nuts are between the supporting leg and first wing nut.
When the support point height of the supporting leg, which is adjusted, to be completed, second wing nut is closely connected to the supporting leg.
Further, further include fixation kit for the slump cone to be fixed on to the test platform.
The fixation kit is at least one group.
Further, the fixation kit includes being articulated in the clamping arm of the test platform and being rotatably connected in the clamping arm
T shape screw rods, the pivot joint axis of the clamping arm is perpendicular to the test platform, and the T shapes screw rod is close to the slump cone
Setting, and be pressed on the pedal of the slump cone side.
The fixation kit is two groups, and the T shapes screw rod of each fixation kit is pressed on the slump cone both sides respectively
Pedal on.
Further, each supporting leg is articulated with the test platform, and is additionally provided with and is used on the test platform
The locating part that the opening angle of each supporting leg is limited.
When the supporting leg is opened, the supporting leg is connected to the locating part；When the supporting leg is packed up, the supporting leg patch
Invest the lower surface of the test platform.
Further, the Universal level-metre is arranged close to the edge of the test platform.
Further, it is additionally provided with handle on the test platform.
The advantageous effect that concrete mixture characteristic experimental rig of the present invention is brought is：
By the way that slump cone, test platform and multiple supporting legs is arranged, wherein test platform is for placing slump cone, respectively
Supporting leg is installed on test platform, for providing support for it.Also, it is at least partly also equipped on supporting leg for adjusting it
The adjusting part for supporting point height, is additionally provided with Universal level-metre on test platform.
The principle and mistake that the performance of concrete mix is tested using the concrete mixture characteristic experimental rig
Cheng Wei：Test platform is placed on solid ground using each supporting leg, and slump cone is placed on test platform, together
When, slump cone is fixed on test platform using fixation kit.Universal level-metre is observed, and result utilizes tune according to the observation
Section component is adjusted the support point height of the supporting leg of corresponding position, until Universal level-metre display is horizontal；Then, according to
The concrete mix of pending experiment is added into slump cone for test requirements document, and plugs and pounds；Finally, by slump cone from examination
It tests on platform and lifts, so that the concrete mix in slump cone is freely collapsed, measurement data.
The concrete mixture characteristic experimental rig is high to the supporting point for supporting the supporting leg of test platform using adjusting part
Degree is adjusted, and is observed in real time the levelness of test platform using Universal level-metre, so that the levelness of test platform is full
Sufficient test request, improve well during previous experiment caused by random ground levelness is not up to standard test result without
The drawbacks of effect, to substantially increase test efficiency, and reduces the testing crew caused by it need to be repeated as many times experiment and works
The higher situation of intensity.Moreover, the setting of Universal level-metre, it is ensured that the consistency of test platform levelness, to reduce
Test error, ensure that test accuracy.In addition, the concrete mixture characteristic experimental rig is simple in structure, scheme is easy to real
It is existing, it is of great significance for the efficient test of the concrete mixture characteristic in work progress.
Second object of the present invention is to provide a kind of concrete mixture characteristic test method, to solve existing coagulation
During native mixture performance test, the invalid technology of test result is asked caused by experiment ground levelness does not reach requirement
Topic.
Concrete mixture characteristic test method provided by the invention utilizes above-mentioned concrete mixture characteristic experimental rig
The performance of concrete mix is tested, is included the following steps：
A. supporting leg is opened, test platform is supported, and slump cone is placed on to the medium position of test platform
Place；
B. clamping arm is rotated, so that T shape screw rods is located at the top of pedal, and turn T shape screw rods make it be pressed on pedal, it will
Slump cone is fixed；
C. Universal level-metre is observed, and result adjusts the support point height of the supporting leg of corresponding position according to the observation
It is whole, until Universal level-metre display is horizontal；
D. concrete mix is added into slump cone in three times, and plugs and pounds；
E. after plugging and pounding, the feed end of slump cone is smoothed out, and clear up the remaining slurry on test platform, one hand, which is pinned, to collapse
Handle on degree of falling cylinder, another hand unclamp the T shape screw rods being pressed on pedal, clamping arm are turned to the edge of test platform
At position；
F. both hands lift slump cone straight up, and the concrete mix in slump cone is made freely to collapse, and measure number
According to.
The advantageous effect that concrete mixture characteristic test method of the present invention is brought is：
The concrete mixture characteristic test method mixes concrete using above-mentioned concrete mixture characteristic experimental rig
The performance for closing object is tested, correspondingly, the concrete mixture characteristic test method has above-mentioned concrete mixture characteristic
The institute of experimental rig is advantageous, and this is no longer going to repeat them.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the overlooking structure diagram of concrete mixture characteristic experimental rig provided in an embodiment of the present invention；
Fig. 2 is the A-A sectional views in Fig. 1；
Fig. 3 is the partial enlarged view at B in Fig. 2；
Fig. 4 is the present invention looks up structural representation of concrete mixture characteristic experimental rig provided in an embodiment of the present invention；
Fig. 5 is the partial enlarged view at C in Fig. 4.
Reference numeral：
100- test platforms；200- slump cones；300- fixation kits；400- Universal level-metres；500- supporting legs；600- tune
Save component；700- bolts；
110- handles；120- fixed seats；130- hinged-supports；131- limiting sections；
210- pedals；220- handles；230- funnels；
310- clamping arms；320-T shape screw rods；
610- adjusting screw rods；The first wing nuts of 620-；The second wing nuts of 630-；640- spherical portions；650- pedestals.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to the technology of the present invention
Scheme carries out clear, complete description.Obviously, the described embodiments are merely a part of the embodiments of the present invention, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term "upper", "lower", "top", "bottom"
The relationship of setting is to be based on the orientation or positional relationship shown in the drawings, it is only for convenient for the description present invention and simplify description, and
It is not that the device of instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as referring to
Show or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connection ", " peace
Dress " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be straight
It connects connected, can also can be indirectly connected through an intermediary the connection inside two elements.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in Figure 1, Figure 2 and Figure 4, present embodiments provide a kind of concrete mixture characteristic experimental rig, for pair
The performance of concrete mix is tested, including slump cone 200,100 and of test platform for placing slump cone 200
It is used to support multiple supporting legs 500 of test platform 100.Specifically, each supporting leg 500 is installed on test platform 100, also,
It is at least partly equipped on supporting leg 500 for adjusting its adjusting part 600 for supporting point height.It is also set on test platform 100
It is equipped with Universal level-metre 400.
The principle and mistake that the performance of concrete mix is tested using the concrete mixture characteristic experimental rig
Cheng Wei：Test platform 100 is placed on solid ground using each supporting leg 500, and slump cone 200 is placed on experiment and is put down
On platform 100, meanwhile, slump cone 200 is fixed on test platform 100 using fixation kit 300.Observe Universal level-metre
400, and result is adjusted the support point height of the supporting leg 500 of corresponding position using adjusting part 600 according to the observation, directly
Level is shown to Universal level-metre 400；Then, the concrete mix of pending experiment is added to slump according to test requirements document
It spends in cylinder 200, and plugs and pounds；Finally, slump cone 200 is lifted from test platform 100, makes the coagulation in slump cone 200
Native mixture freely collapses, measurement data.
The concrete mixture characteristic experimental rig is using adjusting part 600 to supporting the supporting leg 500 of test platform 100
Support point height is adjusted, and is observed in real time the levelness of test platform 100 using Universal level-metre 400, so that experiment
The levelness of platform 100 meets test request, improves well test in the past during because random ground levelness is not up to standard
Caused by the invalid drawback of test result, to substantially increase test efficiency, and reduce because need to be repeated as many times test due to
The caused higher situation of testing crew working strength.Moreover, the setting of Universal level-metre 400, it is ensured that test platform 100
The consistency of levelness ensure that test accuracy to reduce test error.In addition, the concrete mixture characteristic is tested
Apparatus structure is simple, and scheme is easily achieved, and has for the efficient test of the concrete mixture characteristic in work progress important
Meaning.
Please continue to refer to Fig. 2 and Fig. 4, in the present embodiment, the supporting surface of test platform 100 can be rectangle, also, supporting leg
500 can be four, and four supporting legs 500 are respectively supported at four angles of test platform 100.
Please continue to refer to Fig. 1 and Fig. 2, in the present embodiment, slump cone 200 is pyramidal structure, cross-sectional area larger one
End is placed on test platform 100, two pieces of pedals 210 is provided at position of the slump cone 200 close to its bottom, two pieces are stepped on
Plate 210 is symmetricly set on the peripheral surface of slump cone 200.There are two slump cone 200 is arranged at the position at the top of it
Handle 220, for lifting slump cone 200 from test platform 100 before the data to performance are tested.Also,
The feed end of slump cone 200 is provided with funnel 230.
Please continue to refer to Fig. 1, in the present embodiment, Universal level-metre 400 is arranged close to the edge of test platform 100.Specifically
, Universal level-metre 400 is arranged at one jiao of test platform 100.Such setting so that in the property to concrete mix
When can be tested, the concrete mix spread out outward by 200 position of slump cone will not cover Universal level-metre 400
Lid, it is therefore prevented that the situation of measurement result inaccuracy caused by Universal level-metre 400 is interfered, to ensure that the accurate of measurement
Property.
Please continue to refer to Fig. 1, in the present embodiment, Universal level-metre 400 is arranged in the upper surface of test platform 100.In this way
Setting, greatly facilitate observation of the testing crew to 100 horizontal degrees of data of test platform, further improve experiment effect
Rate.
In the present embodiment, the precision of Universal level-metre 400 can be 15 '.Also, the circumferential of Universal level-metre 400 uses
Rigid wraps up, to reduce the breakage during testing.Specifically, rigid can be aluminium alloy.
Please continue to refer to Fig. 2, and Fig. 3 is combined, in the present embodiment, along the support direction of supporting leg 500, at the bottom of supporting leg 500
End offers threaded hole, and adjusting part 600 includes being bolted in the adjusting screw rod 610 of threaded hole and being fixed on adjusting screw rod 610
The first wing nut 620, the first wing nut 620 is located at the one end of adjusting screw rod 610 far from supporting leg 500.
When needing the support point height to supporting leg 500 to be adjusted with the levelness of guarantee test platform 100, turn
One wing nut 620, at this point, under affixed effect of first wing nut 620 with adjusting screw rod 610, adjusting screw rod 610 is opposite
Supporting leg 500 elongates or shortens, and realizes and adjusts.
In the present embodiment, the first wing nut 620 is weldingly fixed on adjusting screw rod 610.
It should be noted that in the present embodiment, " the support direction of supporting leg 500 " refers to：The length direction of supporting leg 500,
The axis for the threaded hole that i.e. 500 bottom of supporting leg opens up is parallel with the length direction of supporting leg 500.
Please continue to refer to Fig. 2 and Fig. 3, in the present embodiment, the bottom end of adjusting screw rod 610 includes spherical portion 640, spherical portion
Pedestal 650 is installed on 640, makes to form flexural pivot connection between adjusting screw rod 610 and pedestal 650.
When supporting leg 500 is positioned over ground to be supported to test platform 100, pedestal 650 can be according to landform certainly
It is dynamic to adjust the angle, it is required to adapt to ground, ensures that support is steady.Such setting is avoided to a certain extent because of part
The unstable situation of test platform 100 caused by the injustice of ground, reduces the shaking during experiment, to ensure that experiment
Stability further improves the functional reliability of the present embodiment concrete mixture characteristic experimental rig.
Please continue to refer to Fig. 2 and Fig. 3, in the present embodiment, adjusting part 600 can also include being screwed onto adjusting screw rod 610
On the second wing nut 630, specifically, the second wing nut 630 is located between supporting leg 500 and the first wing nut 620.When
When the support point height of supporting leg 500 adjusts completion, the second wing nut 630 is closely connected to supporting leg 500.
The adjusting part 600 is used for process that the support point height of supporting leg 500 is adjusted：First, by top
Second wing nut 630 unscrews, it is made to be detached with the bottom end end face of supporting leg 500；Then, the first wing nut of turn 620, is exchanged
The position of section 610 confronting legs 500 of screw rod is adjusted；After adjusting screw rod 610 is adjusted in place, the second wing nut is screwed
630, so that it is closely connected on the bottom end end face of supporting leg 500, adjusting screw rod 610 is locked.
The setting of second wing nut 630, realizes the locking to 610 position of adjusting screw rod, avoids to a certain extent
During experiment, inaccurate situation is tested caused by adjusting screw rod 610 loosens, it is mixed to further ensure the present embodiment
The functional reliability of solidifying soil mixture performance test apparatus.
Please continue to refer to Fig. 1 and Fig. 2, in the present embodiment, which can also include using
In the fixation kit 300 that slump cone 200 is fixed on to test platform 100, wherein fixation kit 300 is at least one group.
Specifically, fixation kit 300 includes being articulated in the clamping arm 310 of test platform 100 and being rotatably connected in clamping arm 310
T shapes screw rod 320.Wherein, the pivot joint axis of clamping arm 310 is perpendicular to test platform 100, also, T shapes screw rod 320 is close to slump
It spends cylinder 200 to be arranged, and is pressed on the pedal 210 of 200 side of slump cone.Fixation kit 300 is two groups, each fixation kit
300 T shapes screw rod 320 is pressed on respectively on the pedal 210 of 200 both sides of slump cone.
The fixation kit 300 is used for process that slump cone 200 is fixed：Clamping arm 310 is rotated, T shape spiral shells are made
Bar 320 is located at the top of pedal 210, and turn T shapes screw rod 320 makes it be pressed on pedal 210, you can realizes to slump cone
200 fixation.
The setting of fixation kit 300 not only enables slump cone 200 to be reliably fixed to test platform 100, and
And this set form, also well improve it is previous using manually trample be fixed caused by carrying platform become
The unfavorable situation of shape, further ensures the test accuracy of the present embodiment concrete mixture characteristic experimental rig.
Please continue to refer to Fig. 1 and Fig. 2, in the present embodiment, the edge of test platform 100 is provided with fixed seat 120, compresses
Arm 310 is " L " shape, and the short side of clamping arm 310 is articulated in fixed seat 120, and long side is pressed on pedal 210, and rotatable
180°.Wherein, fixed seat 120 is angle steel, and thickness is identical as the thickness of test platform 100, and is weldingly fixed on test platform
On 100, the short side of clamping arm 310 is riveted in fixed seat 120.
Please continue to refer to Fig. 2 and Fig. 4, in the present embodiment, each supporting leg 500 is articulated with test platform 100, and test platform
The locating part limited for the opening angle to each supporting leg 500 is additionally provided on 100.When supporting leg 500 is opened, each supporting leg
500 are connected to locating part；When supporting leg 500 is packed up, each supporting leg 500 is attached at the lower surface of test platform 100.
Such setting not only reduces space hold of the test platform 100 when idle, moreover, being limited by being arranged
Part is further ensured that the stability of the levelness of test platform 100 also so that each supporting leg 500 opens identical angle.
Please continue to refer to Fig. 4, and combine Fig. 5, in the present embodiment, the lower surface of test platform 100, each supporting leg 500 pair
It answers and is installed with hinged-support 130 at position, each supporting leg 500 is articulated with each hinged-support 130 by bolt 700, and locating part includes hinged
Limiting section 131 on seat 130.
Please continue to refer to Fig. 1, Fig. 2 and Fig. 4, in the present embodiment, handle 110 can also be set on test platform 100.In this way
Setting, greatly facilitate the movement to the present embodiment concrete mixture characteristic experimental rig, further ensure experiment
The convenience of process.
Specifically, handle 110 can be fixed on test platform 100 by welding manner.
In the present embodiment, the steel plate that test platform 100 can be 800*800mm and thickness is 4mm, the length of supporting leg 500
Can be 185mm, the length of adjusting screw rod 610 can be 100mm, and the diameter of pedestal 650 can be 60mm, and supporting leg 500 is opened
Afterwards, it is 75 ° with the angle of test platform 100.
The present embodiment additionally provides a kind of concrete mixture characteristic test method, utilizes above-mentioned concrete mixture characteristic
Experimental rig tests the performance of concrete mix, includes the following steps：
A. supporting leg 500 is opened, test platform 100 is supported, and slump cone 200 is placed on test platform
At 100 medium position；
B. clamping arm 310 is rotated, so that T shapes screw rod 320 is located at the top of pedal 210, and turn T shapes screw rod 320 makes it support
It is pressed on pedal 210, slump cone 200 is fixed；
C. observe Universal level-metre 400, and according to the observation result to the support point height of the supporting leg 500 of corresponding position into
Row adjustment, until Universal level-metre 400 shows level；
D. concrete mix is added into slump cone 200 in three times, and plugs and pounds；
E. after plugging and pounding, the feed end of slump cone 200 is smoothed out, and clear up the remaining slurry on test platform 100, it is singlehanded
The handle 220 on slump cone 200 is pinned, another hand unclamps the T shapes screw rod 320 being pressed on pedal 210, by clamping arm
310 turn at the marginal position of test platform 100；
F. both hands lift slump cone 200 straight up, and the concrete mix in slump cone 200 is made freely to collapse,
Measurement data.
The concrete mixture characteristic test method mixes concrete using above-mentioned concrete mixture characteristic experimental rig
The performance for closing object is tested, correspondingly, the concrete mixture characteristic test method has above-mentioned concrete mixture characteristic
The institute of experimental rig is advantageous, and this is no longer going to repeat them.
It should be noted that in the present embodiment, in step d, concrete mix is added into slump cone 200 every time
Afterwards, the number plugged and pounded can be 25 times.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in previous embodiment, either which part or all technical features are equal
It replaces；And these modifications or replacements, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of concrete mixture characteristic experimental rig, is tested, feature exists for the performance to concrete mix
In, including slump cone (200), the test platform (100) for placing the slump cone (200) and it is used to support the examination
Test multiple supporting legs (500) of platform (100)；
Each supporting leg (500) is installed on the test platform (100), is equipped on at least partly described supporting leg (500)
For adjusting its adjusting part (600) for supporting point height；
It is provided with Universal level-metre (400) on the test platform (100).
2. concrete mixture characteristic experimental rig according to claim 1, which is characterized in that along the supporting leg (500)
Support direction, the bottom end of the supporting leg (500) offers threaded hole；
The adjusting part (600) includes being bolted in the adjusting screw rod (610) of the threaded hole and being fixed on the adjusting screw rod
(610) the first wing nut (620) on, first wing nut (620) are located at the adjusting screw rod (610) far from described
One end of supporting leg (500).
3. concrete mixture characteristic experimental rig according to claim 2, which is characterized in that the adjusting screw rod
(610) bottom end includes spherical portion (640), is equipped with pedestal (650) on the spherical portion (640), makes the adjusting screw rod
(610) it is connect with the pedestal (650) flexural pivot.
4. concrete mixture characteristic experimental rig according to claim 2, which is characterized in that the adjusting part
(600) further include the second wing nut (630) being screwed onto on the adjusting screw rod (610), second wing nut (630)
Between the supporting leg (500) and first wing nut (620)；
When the support point height of the supporting leg (500), which is adjusted, to be completed, second wing nut (630) is closely connected to described
Supporting leg (500).
5. concrete mixture characteristic experimental rig according to claim 1, which is characterized in that further include for will be described
Slump cone (200) is fixed on the fixation kit (300) of the test platform (100)；
The fixation kit (300) is at least one group.
6. concrete mixture characteristic experimental rig according to claim 5, which is characterized in that the fixation kit
(300) including being articulated in the clamping arm (310) of the test platform (100) and being rotatably connected in the T shape screw rods of the clamping arm (310)
(320), the pivot joint axis of the clamping arm (310) is perpendicular to the test platform (100), and the T shapes screw rod (320) is close to institute
Slump cone (200) setting is stated, and is pressed on the pedal (210) of the slump cone (200) side；
The fixation kit (300) is two groups, and the T shapes screw rod (320) of each fixation kit (300) is pressed on described collapse respectively
On the pedal (210) of degree of falling cylinder (200) both sides.
7. according to claim 1-6 any one of them concrete mixture characteristic experimental rigs, which is characterized in that each branch
Leg (500) is articulated with the test platform (100), and is additionally provided with for each branch on the test platform (100)
The locating part that the opening angle of leg (500) is limited；
When the supporting leg (500) are opened, the supporting leg (500) is connected to the locating part；When the supporting leg (500) is packed up
When, the supporting leg (500) is attached at the lower surface of the test platform (100).
8. according to claim 1-6 any one of them concrete mixture characteristic experimental rigs, which is characterized in that described universal
Level meter (400) is arranged close to the edge of the test platform (100).
9. according to claim 1-6 any one of them concrete mixture characteristic experimental rigs, which is characterized in that the experiment
Handle (110) is additionally provided on platform (100).
10. a kind of concrete mixture characteristic test method, which is characterized in that mixed using claim 1-9 any one of them
Solidifying soil mixture performance test apparatus tests the performance of concrete mix, includes the following steps：
A. supporting leg (500) are opened, test platform (100) is supported, and slump cone (200) is placed on test platform
(100) at medium position；
B. rotation clamping arm (310), makes T shapes screw rod (320) be located at the top of pedal (210), and turn T shapes screw rod (320) makes
It is pressed on pedal (210), and slump cone (200) are fixed；
C. observation Universal level-metre (400), and according to the observation result to the support point height of the supporting leg (500) of corresponding position into
Row adjustment, until Universal level-metre (400) display is horizontal；
D. concrete mix is added into slump cone (200) in three times, and plugs and pounds；
E. after plugging and pounding, the feed end of slump cone (200) is smoothed out, and clear up the remaining slurry on test platform (100), it is singlehanded
The handle (220) on slump cone (200) is pinned, another hand unclamps the T shapes screw rod (320) being pressed on pedal (210), will
Clamping arm (310) turns at the marginal position of test platform (100)；
F. both hands lift slump cone (200) straight up, and the concrete mix in slump cone (200) is made freely to collapse,
Measurement data.
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| CN114739265A (en) * | 2022-04-23 | 2022-07-12 | 河南工程学院 | Measuring device and measuring method for accurately measuring roughness of concrete test piece |
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Application publication date: 20180828 |