CN109387139A - Concrete surface roughness detecting method and tester - Google Patents
Concrete surface roughness detecting method and tester Download PDFInfo
- Publication number
- CN109387139A CN109387139A CN201811520215.0A CN201811520215A CN109387139A CN 109387139 A CN109387139 A CN 109387139A CN 201811520215 A CN201811520215 A CN 201811520215A CN 109387139 A CN109387139 A CN 109387139A
- Authority
- CN
- China
- Prior art keywords
- surface roughness
- friction component
- friction
- tester
- concrete surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003746 surface roughness Effects 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 62
- 239000004567 concrete Substances 0.000 title claims abstract description 60
- 229920002994 synthetic fiber Polymers 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000012209 synthetic fiber Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 27
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000011156 evaluation Methods 0.000 abstract description 3
- 239000004677 Nylon Substances 0.000 description 12
- 229920001778 nylon Polymers 0.000 description 12
- 238000005259 measurement Methods 0.000 description 11
- 239000000835 fiber Substances 0.000 description 10
- 239000004743 Polypropylene Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- -1 polypropylene Polymers 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- 239000004576 sand Substances 0.000 description 8
- 210000002268 wool Anatomy 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 241001515806 Stictis Species 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 206010017389 Frotteurism Diseases 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of Surface Roughness Detecting Method and testers.The step of detection method includes: that friction component is placed on tested concrete surface, friction component is set to rotate or slide in tested concrete surface, the physical quantitys such as revolving speed, torque, speed, the resistance of friction component during exercise are measured, acquire the characteristic quantity of surface roughness or the surface roughness of the tested concrete of presumption by corresponding calculating formula according to measured physical quantity.The tester for realizing this method includes ontology, support, friction component, and the friction area of friction component is circular ring shape or rectangle.The test and evaluation of concrete surface roughness are carried out using detection method of the invention and tester, clear principle, credible result is widely applicable, easy to operate.
Description
Technical field
The invention belongs to a kind of concrete surface roughness detecting methods, especially a kind of to be used for assembly concrete component
The detection method of surface roughness.
The invention further relates to a kind of concrete surface roughness tester, including ontology, support, friction component, friction groups
The friction area of part is circular ring shape or rectangle.
Background technique
For the assembly concretes component such as superimposed sheet, composite beam, the roughness of faying face, which is that influence is secondary, pours matter
An important factor for amount.This kind of faying face generally takes the means such as plucking, brooming, chemical treatment or dabbing to be handled, accordingly
Be also required to the roughness of treated faying face is detected and is evaluated.Existing Surface Roughness Detecting Method is mainly
Sand replacement method measures the area S in filled sand face and the volume V of spread normal sand that is, in surface of concrete structure tiling normal sand, with
Average sand-pouring mean depth H(H=V/S) surface roughness of concrete is evaluated as characteristic quantity.Sand replacement method needs to prepare normal sand,
Measuring process is more, remaining sand not easy-clear, and is only applicable to horizontal surface, and therefore, it is difficult to meet the actual needs of engineering.Also have one
A little detection methods using tools such as dial gauge, depth sounding rulers, the depth by measurement each measuring point of concrete surface relative to datum level
Angle value evaluates surface roughness, and instrument accessory used in these methods is more, and measurement efficiency is low, resultant error is big.On in addition,
Stating method all is not consider difference using macroscopical convex-concave depth on surface as unique observed quantity of detection and the sole indicator of evaluation
Difference of the surface (even if convex-concave depth is identical) in micromorphology, therefore inherently can not also accurately assess concrete combination
The roughness in face.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of reliable Surface Roughness Detecting Methods of simplicity.
With this corresponding, another technical problems to be solved of the invention are to provide a kind of surface roughness tester, can fit
It is easy to operate for surface at any angle, as a result accurately.
For Surface Roughness Detecting Method, detection method of the invention includes the following steps: for friction component to be placed in
On tested concrete surface；Friction component is set to rotate or slide in tested concrete surface；Measure friction component during exercise
The physical quantitys such as revolving speed, torque, speed, resistance；Surface roughness is acquired by corresponding calculating formula according to measured physical quantity
The surface roughness of characteristic quantity or the tested concrete of presumption.Due to physical quantity (rotary state of the friction component under motion state
Under revolving speed and speed and resistance under torque and sliding mode) it is directly related with the roughness of concrete surface therefore logical
It crosses and measures above-mentioned physical quantity and can characterize or estimate the surface roughness of concrete.
Compared with prior art, Surface Roughness Detecting Method of the present invention has the advantages that this detection method benefit
With the correlativity between surface roughness and frictional force, pass through related object of the measurement friction component in concrete surface movement
Reason amount characterizes or estimates the surface roughness of concrete, and technical principle is clear, and operating procedure is easy, and testing result is credible, fits
It is extensive with occasion.
As the improvement of Surface Roughness Detecting Method of the present invention, the friction area of friction component is circular ring shape or rectangle.
Under rotary state, the exterior portion of the revolving speed of friction component and the mainly round friction area of torque is influenced, close to the center of circle
Region on measurement result influence it is smaller.Therefore the accuracy of raising testing result is conducive to simultaneously using the friction component of circular ring shape
Simplify the composition of friction component.In slip conditions, then be conducive to improve the accurate of testing result using the friction component of rectangle
Property and simplify friction component composition.
As another improvement of Surface Roughness Detecting Method of the present invention, the friction piece of friction component is threadiness.It is fine
The friction piece for tieing up shape includes synthetic fibers, plant fiber, wire etc..Length, thickness, hardness and the wearability of this fiber
Energy etc. can be adjusted as needed, be both easy to obtain, also be suitable as the friction piece contacted with concrete surface.
As Surface Roughness Detecting Method of the present invention another improvement, before concrete surface is tested or it
Afterwards, detecting step can also include: and friction component is placed on on-gauge plate or calibration plate, and friction component is made to rotate or slide
It is dynamic, the physical quantitys such as revolving speed, torque, speed, the resistance of measurement friction component during exercise.Since surface roughness of the present invention detects
Method belongs to a kind of indirect method, and acquired results depend on the above-mentioned physical quantity measured under motion state.Therefore, except in coagulation
Except native surface is tested, increase the step of being tested on on-gauge plate, the calibration or right of corresponding test equipment can be conducive to
Measured result is modified.The sand paper of regulation roughness, the ceramic wafer of special processing, cement plate may be selected in on-gauge plate herein
Or glass plate, buffing vitrolite, porous ceramic plate or indentation metal plate etc. may be selected in metal plate etc., calibration plate.
For surface roughness tester, surface roughness tester of the invention includes ontology, support, friction group
Part, the friction area of friction component are circular ring shape or rectangle.
Compared with prior art, surface roughness tester of the present invention has the advantages that result is representative strong, right
The influential position of measurement result concentrates within the scope of the appropriate depth of neighbouring surface, avoids sand replacement method even depth test method
Deviation caused by because of the big hole in part or being recessed result；It is applied widely, it can both be tested under level conditions, it can also be at it
It is tested under its any angle；Detection efficiency is high, and test job can be completed in one man operation's equipment in a short time, and without rear continued
Resume work in face.
It further include tachometer or torque sensor as the improvement of surface roughness tester of the present invention.In pivoting friction
Under state, the surface roughness of revolving speed of the tester in relation to component, torque and concrete is in correlativity.Therefore configuration tachometer
Or torque sensor helps to grasp the relationship between revolving speed and torque at different conditions, to more accurately characterize or estimate table
Surface roughness.
As another improvement of surface roughness tester of the present invention, friction component is relative to interplanar locating for support
Apart from adjustable.For the concrete of different surface treatment technique, the difference in height of surface relief is a range.By adjusting rubbing
The length of plane locating for the prominent support of friction piece is adjusted, to increase in distance of the brush assembly relative to interplanar locating for support
The use scope of tester makes same tester can be used for the test of different surfaces.
As another improvement of surface roughness tester of the present invention, friction piece uses synthetic fibers or wire.Needle
To concrete surface, good friction piece answers dimensioned uniform, wear-resisting, corrosion-resistant, economical, with certain rigidity and well
Toughness.Therefore, Fypro (nylon), polypropylene fibre (polypropylene fibre), high tensile steel wire etc. can be used as the preferred material of friction piece
Material.
It further include tension sensor as another improvement of surface roughness tester of the present invention.Under Frotteurism,
The surface roughness of pulling force and concrete of the tester in relation to component is in correlativity.Therefore configuration tension sensor facilitates standard
Really characterization or presumption surface roughness.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is the schematic diagram of the first embodiment of Surface Roughness Detecting Method and tester of the present invention；
Fig. 2 is the friction component bottom view of the first embodiment of Surface Roughness Detecting Method and tester of the present invention；
Fig. 3 is the partial sectional view of the first embodiment of Surface Roughness Detecting Method and tester of the present invention；
Fig. 4 is the schematic diagram of the third embodiment of Surface Roughness Detecting Method and tester of the present invention；
Fig. 5 is the bottom view of the third embodiment of Surface Roughness Detecting Method and tester of the present invention；
Fig. 6 is the schematic diagram of the 5th kind of embodiment of Surface Roughness Detecting Method and tester of the present invention；
Fig. 7 is the bottom view of the 5th kind of embodiment of Surface Roughness Detecting Method and tester of the present invention；
Wherein: 1, ontology, 2, support, 3, frictional disk, 4, nylon yarn, 5, transmission shaft, 6, upper positioning nut, 7, lower positioning nut,
8, control switch, 9, display screen, 10, speed/torque adjusting knob, 11, tested concrete, 12, guide rod, 13, screw rod, 14, third
Synthetic fibre wool top, 15, handle, 16, tension sensor, 17, dragline.
Specific embodiment
Surface Roughness Detecting Method of the present invention and tester are done further below in conjunction with the drawings and specific embodiments
Detailed description, structure composition and usage mode in order to more clearly understand the present invention, but cannot be used as a limitation this hair
Bright protection scope.
The first embodiment of Surface Roughness Detecting Method and tester of the present invention is as shown in Figure 1 to Figure 3.Ontology 1
Lower end is equipped with support 2, and circular frictional disk 3 and the nylon yarn 4 being distributed on frictional disk 3 in circular ring shape collectively constitute friction group
Part, friction component are fixed on the lower end of transmission shaft 5 by upper positioning nut 6 and lower positioning nut 7, transmission shaft 5 and are located in ontology 1
Motor be connected, the upper end of ontology 1 is handle 15, and handle 15 is equipped with control switch 8, display screen 9 and speed/torque and adjusts rotation
Button 10.Tachometer, torque sensor and control system are additionally provided in ontology 1.Position of the friction component on transmission shaft 5 can pass through
Upper positioning nut 6 and lower positioning nut 7 are adjusted, the revolving speed of 10 adjustable settings motor of speed/torque adjusting knob or torsion
Square, tachometer, torque sensor can measure and acquire the revolving speed and torque value of friction component, and display screen 9 can tie related measurement
Fruit carries out display output, control switch 8 can handling motor start and stop, nylon yarn 4 protrudes plane locating for support 2 in a free state
Certain length.
Survey below with reference to Fig. 1 to Fig. 3 to the first embodiment of Surface Roughness Detecting Method of the present invention and tester
Examination process is described.First (nylon yarn 4 is not contacted with concrete surface) measurement nylon yarn 4 protrudes support 2 in a free state
The length of locating plane, does not meet pre-provisioning request such as, can be adjusted by upper positioning nut 6 and lower positioning nut 7；Adjust speed
Tester is resisted against the surface of tested concrete 11 by degree/torque adjusting knob 10 to desired speed gear, hand-held handle 15；It presses
Lower control switch 8, starts motor, and motor driven transmission shaft 5 simultaneously drives friction component to rotate；The revolving speed and torque of friction component point
Is not measured and acquired by tachometer and torque sensor；The frictional force occurred by nylon yarn 4 and tested 11 surface of concrete
It influences, under given speed conditions, the torque of friction component is up to substantially constant within a certain period of time；Press control switch
8, motor is closed, reads and records the related measurement data shown on display screen 9.
In Surface Roughness Detecting Method of the present invention and tester the first embodiment, if the radius of frictional disk is r,
The width of circular ring shape friction area is b, then the area S of friction area=(π r2-π(r-b)2)；If the revolving speed of friction component reaches permanent
Periodically the torque of (revolving speed n, unit are to turn/min) is T, and the aerial resistance of motion of the friction component that revolving speed is n is R, then
R=λn2(coefficient of air resistance that λ is friction component), frictional resistance F=(T/ (r-b/ of the friction component in tested concrete surface
2)-R).Under this test condition, rotary resistance caused by unit concrete surface is surface roughness torque coefficient for definition,
Use kTIt indicates, then kT=F/S, unit N/m2.According to above-mentioned definition it is found that working as the case where T, r, b, λ and n are known quantity
Under, k can be acquiredT。
Second of the embodiment and the first embodiment of Surface Roughness Detecting Method of the present invention are essentially identical, also such as
Shown in Fig. 1 to Fig. 3.During the test in addition to speed/torque adjusting knob 10 is adjusted to preset torque gear, other processes with
The first embodiment is consistent.Under given torque conditions, the revolving speed of friction component is up to substantially permanent within a certain period of time
It is fixed.Under this test condition, rotary resistance caused by unit concrete surface is surface roughness revolving speed coefficient for definition, uses kn
It indicates, then kn=F/S, unit N/m2.Similarly, in the case that T, r, b, λ and n are known quantity, k can be acquiredn。
In the first embodiment and second of embodiment of Surface Roughness Detecting Method of the present invention, gauging surface
Roughness torque coefficient kTOr surface roughness revolving speed coefficient knWhen, it is thus necessary to determine that the coefficient of air resistance λ of friction component.In this regard,
(nylon yarn is not contacted with concrete surface) operation test can be carried out by the above process respectively in a free state.Due to rubbing at this time
Brush assembly is not in contact with concrete surface, then is had R=T/ (r-b/2), therefore λ=R/n2=T/(r-b/2)n2, thus into one
Step can acquire surface roughness torque coefficient kTOr surface roughness revolving speed coefficient kn.Obtained air under above-mentioned free state
Resistance coefficient λ does not account for axial force caused by the deformation because of nylon yarn (along transmission axis direction) to the shadow of torque or revolving speed
It rings.On stricti jurise, should the axial force according to produced by nylon deformation of filament size, apply in transmission shaft lower end same axial
Power can accurately acquire coefficient of air resistance λ with this condition.
The third embodiment of Surface Roughness Detecting Method of the present invention is as shown in Figure 4 and Figure 5.The lower end of ontology 1 is equipped with 4
A support 2, using being threadedly coupled, the frictional disk 3 and polypropylene fibre wool top 14 of rectangle collectively constitute friction component for support 2 and ontology 1, and third
Synthetic fibre wool top 14 protrudes plane certain length locating for support 2 in a free state, and friction component is sliding by 2 guide rods 12 and ontology 1
Dynamic connection, screw rod 13 pass through friction component and are connected with the motor equipped with torque sensor, and tachometer, display are additionally provided on ontology 1
Screen 9, speed/torque adjusting knob 10 and handle 15, handle 15 are equipped with control switch 8.
Below with reference to Fig. 4 and Fig. 5 to the test process of the third embodiment of Surface Roughness Detecting Method of the present invention into
Row description.The length for first measuring plane locating for the prominent support 2 of polypropylene fibre wool top 14 in a free state, does not meet pre-provisioning request such as,
It can be adjusted by the screw thread between support 2 and ontology 1；Adjustment speed/torque adjusting knob 10 is held to desired speed gear
Tester is resisted against the surface of tested concrete 11 by handle 15；Control switch 8 is pressed, motor, electric motor driven screw 13 are started
And friction component is driven to slide on guide rod 12；The revolving speed and torque of screw rod 13 are measured simultaneously by tachometer and torque sensor respectively
Acquisition；The frictional force occurred by polypropylene fibre wool top 14 with tested 11 surface of concrete is influenced, under given speed conditions, spiral shell
The torque of bar 13 is up to substantially constant within a certain period of time；Control switch 8 is pressed, motor is closed, reads and record display screen 9
The related measurement data of upper display.
In the third embodiment of Surface Roughness Detecting Method of the present invention, if the area of frictional disk friction area is S,
The torque of (revolving speed n, unit are to turn/min) is T when the revolving speed of screw rod reaches constant, and revolving speed is between the screw rod and friction component of n
Thrust be P, 2 guide rods are R to the resistance to sliding of friction component, then T=PPB/2πη.Wherein PBFor screw rod lead, η is machinery
Efficiency factor, for same tester, the two is constant.Friction component tested concrete surface frictional resistance F=
(2πη/PB)T-R.Under this test condition, resistance to sliding caused by unit concrete surface is surface roughness torque for definition
Coefficient, with k 'TIt indicates, then k 'T=F/S, unit N/m2.According to above-mentioned definition it is found that working as T, R and η/PBIt is known quantity
In the case of, k ' can be acquiredT。
4th kind of embodiment of Surface Roughness Detecting Method of the present invention and the third embodiment are essentially identical, also such as
Shown in Fig. 4 and Fig. 5.During the test in addition to speed/torque adjusting knob 10 is adjusted to preset torque gear, other processes with
The third embodiment is consistent.Under given torque conditions, the revolving speed of screw rod 13 is up to substantially constant within a certain period of time.
Definition is under this test condition, and resistance to sliding caused by unit concrete surface is surface roughness revolving speed coefficient, with k 'nTable
Show, then k 'n=F/S, unit N/m2.Similarly, as T, R and η/PBIn the case where being known quantity, k ' can be acquiredn。
In the third embodiment of Surface Roughness Detecting Method of the present invention and the 4th kind of embodiment, gauging surface
Roughness torque coefficient k 'TOr surface roughness revolving speed coefficient k 'nWhen, it is thus necessary to determine that R and η/PBValue.In this regard, can be in free shape
It is operated respectively by the above process under (polypropylene fibre wool top is not contacted with concrete surface) and certain known frictional resistance F state under state
Test.R and η/P are solved by simultaneous equationsB, to acquire surface roughness torque coefficient k 'TOr surface roughness revolving speed coefficient
k’n.Obtained R and η/P under above-mentioned free state or under frictional resistance F state known to certainBIt does not account for deforming because of polypropylene fibre wool top
Influence of the pressure (perpendicular to frictional disk direction) to torque or revolving speed caused by the guide rod and screw rod.On stricti jurise, answer
The size of pressure produced by being deformed according to polypropylene fibre wool top, applies same vertical force below friction component, with this condition side
R and η/P can accurately be acquiredB。
The 5th kind of embodiment of Surface Roughness Detecting Method and tester of the present invention is as shown in Figure 6 and Figure 7.Ontology 1
Lower end is equipped with 4 idler wheel shape supports 2, and the frictional disk 3 and nylon yarn 4 of rectangle collectively constitute friction component, and nylon yarn 4 is in free shape
Plane certain length locating for prominent support 2, friction component are slidably connected with 2 guide rods 12 being fixed on ontology 1 under state, ontology
1 one end is equipped with tension sensor 16, and tension sensor 16 is connected with friction component by dragline 17, is additionally provided on ontology 1 aobvious
Display screen 9 and handle 15, handle 15 are equipped with control switch 8.
Survey below with reference to Fig. 6 and Fig. 7 to the 5th kind of embodiment of Surface Roughness Detecting Method of the present invention and tester
Examination process is described.Tester is resisted against the surface of tested concrete 11 by hand-held handle 15；Control switch 8 is pressed, simultaneously
Tester is set to do linear slide on the surface of tested concrete 11；Tension sensor 16 measures and acquires leading for traction friction component
The pulling force of rope 17；When tester slides into preset distance, control switch 8 is pressed, read and records the phase shown on display screen 9
Close measurement data.
In the 5th kind of embodiment of Surface Roughness Detecting Method of the present invention and tester, if frictional disk friction area
Area is S, and the dragline pulling force that tension sensor measures is P, then frictional resistance F=P of the friction component in tested concrete surface.
Under this test condition, resistance to sliding caused by unit concrete surface is surface roughness resistance coefficient for definition, uses kPTable
Show, then kP=F/S, unit N/m2。
In the embodiment of above-mentioned five kinds of Surface Roughness Detecting Methods and tester, to verify or calibration tester
Accuracy, alternative rigid platfor that can be stable is as calibration plate, such as glass plate, buffing vitrolite, porous ceramic plate or indentation gold
Belong to plate etc..When measured result exceeds preset range to tester on above-mentioned calibration plate, it should stop using and it is debugged
Or maintenance.In addition, can also choose the smooth flats such as glass plate, polishing ceramic plate, suitable lubricant can be brushed when necessary, by upper
The test process for stating five kinds of embodiments carries out operation test, at this time can regard the frictional resistance between friction component and smooth flat
It is zero, to acquire or correct magnitude related with tester in each embodiment, such as: coefficient of air resistance λ, guide rod and friction
Inter-module resistance to sliding R, coefficient of mechanical efficiency η and screw rod lead PBRatio etc..
The embodiment of above-mentioned five kinds of Surface Roughness Detecting Methods and tester is that (surface is thick with corresponding characteristic quantity
Rugosity torque coefficient, surface roughness revolving speed coefficient or surface roughness resistance coefficient) it is thick to characterize the surface of tested concrete
Rugosity.It should be noted that still no explicitly corresponding or conversion relation between these characteristic quantities, and even same feature
Amount, if corresponding test condition changes, not can be used as simple comparison or evaluating basis yet.
Compare or evaluate the surface roughness of tested concrete for simplicity, the standard with standard roughness can be prepared
Plate tests tested concrete with on-gauge plate under the same testing conditions, with surface roughness ratio (tested concrete
The ratio between surface roughness values and surface roughness values of on-gauge plate) as compared with or the foundation of evaluation.Such as: tested mixed
Representational 5 positions are chosen on solidifying soil surface, test the surface roughness values at this 5 positions respectively, are calculated as k1、k2、k3、
k4、k5；Do not change test condition, the surface roughness values of testing standard plate are calculated as k0；The surface roughness of each test position
Compare Bi=ki/k0If the average value of the surface roughness ratio at 5 positions is Bs, minimum value Bmin；Work as BsNot less than 1.0 and BminNo
When less than 0.8, it can determine that the surface roughness of tested concrete is qualified.
On the basis of determining the definition of concrete surface roughness, using above-mentioned five kinds of Surface Roughness Detecting Methods and
The embodiment of tester can establish the corresponding relationship between correlated characteristic amount and surface roughness, and system further also can be used
The means that meter returns acquire relation curve or algebraic equation between correlated characteristic amount and surface roughness, to realize by correlation
Characteristic quantity estimates the surface roughness of tested concrete.
Other than above-described embodiment and test mode illustrate, Surface Roughness Detecting Method of the invention and tester are also deposited
In other similar step, characteristic quantity, assessment method and structure composition form, the purpose of the present invention can be equally completed, as long as
The step, characteristic quantity, assessment method and structure type it will be apparent to those skilled in the art that transformation and substitution,
It should all fall within the scope and spirit of the invention.
Claims (9)
1. a kind of concrete surface roughness detecting method, which is characterized in that include the following steps:
A. friction component is placed on tested concrete surface；
B. the friction component is made to rotate or slide in tested concrete surface；
C. the physical quantitys such as revolving speed, torque, speed, the resistance of the friction component during exercise are measured；
D. the physical quantity according to measured by step c acquires the characteristic quantity of surface roughness by corresponding calculating formula or estimates tested mixed
Coagulate the surface roughness of soil.
2. concrete surface roughness detecting method according to claim 1, it is characterised in that: the friction of the friction component
Region is circular ring shape or rectangle.
3. concrete surface roughness detecting method according to claim 1, it is characterised in that: the friction of the friction component
Body is threadiness.
4. concrete surface roughness detecting method according to claim 1, it is characterised in that: before the step b or
Later further include:
B0. the friction component is placed on on-gauge plate or calibration plate, and the friction component is made to rotate or slide, measured
The physical quantitys such as revolving speed, torque, speed, the resistance of the friction component during exercise.
5. a kind of tester for realizing concrete surface roughness detecting method described in claim 1, it is characterised in that: packet
Ontology, support, friction component are included, the friction area of the friction component is circular ring shape or rectangle.
6. tester as described in claim 5, it is characterised in that: further include tachometer or torque sensor.
7. tester as described in claim 5, it is characterised in that: the friction component is relative to interplanar locating for the support
Distance it is adjustable.
8. tester as described in claim 5, it is characterised in that: the friction piece of the friction component is synthetic fibers or metal
Silk.
9. tester as described in claim 5, it is characterised in that: further include tension sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520215.0A CN109387139A (en) | 2018-12-12 | 2018-12-12 | Concrete surface roughness detecting method and tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520215.0A CN109387139A (en) | 2018-12-12 | 2018-12-12 | Concrete surface roughness detecting method and tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109387139A true CN109387139A (en) | 2019-02-26 |
Family
ID=65430136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811520215.0A Pending CN109387139A (en) | 2018-12-12 | 2018-12-12 | Concrete surface roughness detecting method and tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109387139A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189379A (en) * | 2020-01-14 | 2020-05-22 | 大连理工大学 | Inner cavity surface roughness in-situ detection method based on double-point rotational friction |
| CN115388749A (en) * | 2022-09-16 | 2022-11-25 | 南京市建筑工程质量安全监督站(南京市建筑工程质量安全检测中心) | Assembled concrete member surface roughness detection device and application method thereof |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5944602A (en) * | 1982-09-07 | 1984-03-13 | Kiyokuyou Denki Kk | Method and instrument for measuring strain of concrete structure |
| FR2710405A1 (en) * | 1993-09-20 | 1995-03-31 | Critt Bois | Method and device for quantitative characterisation of anisotropic surface conditions |
| WO2006111795A1 (en) * | 2005-04-18 | 2006-10-26 | American University Of Sharjah | Apparatus for measuring surface roughness |
| CN101261111A (en) * | 2008-04-11 | 2008-09-10 | 浙江建设职业技术学院 | Concrete roughness measurement method |
| CN201233386Y (en) * | 2008-07-29 | 2009-05-06 | 舟山市博远科技开发有限公司 | Mark target for measuring set for shrinking performance in early age period of concrete by electric vortex process |
| CN201233216Y (en) * | 2008-04-11 | 2009-05-06 | 浙江建设职业技术学院 | Concrete surface roughness measuring rule |
| JP2011164060A (en) * | 2010-02-15 | 2011-08-25 | Fujita Corp | Method and device for evaluation of surface roughness on concrete wall |
| CN103630093A (en) * | 2013-01-18 | 2014-03-12 | 中电投工程研究检测评定中心 | Image analysis method for detecting surface roughness of concrete |
| CN204007582U (en) * | 2014-07-09 | 2014-12-10 | 同济大学 | A kind of concrete joint surface roughness measuring device |
| CN105651239A (en) * | 2016-03-09 | 2016-06-08 | 青岛海澄知识产权事务有限公司 | Measurement method for surface evenness of underwater structure |
| CN106225654A (en) * | 2016-09-19 | 2016-12-14 | 河南省水利科学研究院 | A kind of concrete surface roughness measuring device and measuring method thereof |
| CN206037923U (en) * | 2016-09-19 | 2017-03-22 | 河南省水利科学研究院 | Concreted structure roughness measurement device |
| CN206248052U (en) * | 2016-11-30 | 2017-06-13 | 辽宁省交通高等专科学校 | A kind of device of quick measurement concrete surface roughness |
| CN107003106A (en) * | 2014-12-02 | 2017-08-01 | 汤姆逊许可公司 | Haptic methods and equipment for capturing and presenting sliding friction |
| CN107063058A (en) * | 2016-12-13 | 2017-08-18 | 上海市建筑科学研究院 | A kind of assessment method of precast concrete combination surface roughness |
| CN107167303A (en) * | 2017-04-12 | 2017-09-15 | 太原理工大学 | Applicator test experimental bed |
| CN107621250A (en) * | 2017-11-06 | 2018-01-23 | 广州市建筑科学研究院有限公司 | A kind of roughness detecting method of concrete prefabricated element faying face |
| CN206982954U (en) * | 2017-06-12 | 2018-02-09 | 吉林大学 | A kind of artificial roughness adhesive surface of use for laboratory new-old concrete prepares mould |
| CN108519048A (en) * | 2018-04-27 | 2018-09-11 | 刘明亮 | A kind of precast concrete surface roughness quantitative testing device |
| CN108895992A (en) * | 2018-09-03 | 2018-11-27 | 大连理工大学 | A kind of laser scanning device and application method for distress in concrete fracture surface roughness |
-
2018
- 2018-12-12 CN CN201811520215.0A patent/CN109387139A/en active Pending
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5944602A (en) * | 1982-09-07 | 1984-03-13 | Kiyokuyou Denki Kk | Method and instrument for measuring strain of concrete structure |
| FR2710405A1 (en) * | 1993-09-20 | 1995-03-31 | Critt Bois | Method and device for quantitative characterisation of anisotropic surface conditions |
| WO2006111795A1 (en) * | 2005-04-18 | 2006-10-26 | American University Of Sharjah | Apparatus for measuring surface roughness |
| CN101261111A (en) * | 2008-04-11 | 2008-09-10 | 浙江建设职业技术学院 | Concrete roughness measurement method |
| CN201233216Y (en) * | 2008-04-11 | 2009-05-06 | 浙江建设职业技术学院 | Concrete surface roughness measuring rule |
| CN201233386Y (en) * | 2008-07-29 | 2009-05-06 | 舟山市博远科技开发有限公司 | Mark target for measuring set for shrinking performance in early age period of concrete by electric vortex process |
| JP2011164060A (en) * | 2010-02-15 | 2011-08-25 | Fujita Corp | Method and device for evaluation of surface roughness on concrete wall |
| CN103630093A (en) * | 2013-01-18 | 2014-03-12 | 中电投工程研究检测评定中心 | Image analysis method for detecting surface roughness of concrete |
| CN204007582U (en) * | 2014-07-09 | 2014-12-10 | 同济大学 | A kind of concrete joint surface roughness measuring device |
| CN107003106A (en) * | 2014-12-02 | 2017-08-01 | 汤姆逊许可公司 | Haptic methods and equipment for capturing and presenting sliding friction |
| CN105651239A (en) * | 2016-03-09 | 2016-06-08 | 青岛海澄知识产权事务有限公司 | Measurement method for surface evenness of underwater structure |
| CN106225654A (en) * | 2016-09-19 | 2016-12-14 | 河南省水利科学研究院 | A kind of concrete surface roughness measuring device and measuring method thereof |
| CN206037923U (en) * | 2016-09-19 | 2017-03-22 | 河南省水利科学研究院 | Concreted structure roughness measurement device |
| CN206248052U (en) * | 2016-11-30 | 2017-06-13 | 辽宁省交通高等专科学校 | A kind of device of quick measurement concrete surface roughness |
| CN107063058A (en) * | 2016-12-13 | 2017-08-18 | 上海市建筑科学研究院 | A kind of assessment method of precast concrete combination surface roughness |
| CN107167303A (en) * | 2017-04-12 | 2017-09-15 | 太原理工大学 | Applicator test experimental bed |
| CN206982954U (en) * | 2017-06-12 | 2018-02-09 | 吉林大学 | A kind of artificial roughness adhesive surface of use for laboratory new-old concrete prepares mould |
| CN107621250A (en) * | 2017-11-06 | 2018-01-23 | 广州市建筑科学研究院有限公司 | A kind of roughness detecting method of concrete prefabricated element faying face |
| CN108519048A (en) * | 2018-04-27 | 2018-09-11 | 刘明亮 | A kind of precast concrete surface roughness quantitative testing device |
| CN108895992A (en) * | 2018-09-03 | 2018-11-27 | 大连理工大学 | A kind of laser scanning device and application method for distress in concrete fracture surface roughness |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189379A (en) * | 2020-01-14 | 2020-05-22 | 大连理工大学 | Inner cavity surface roughness in-situ detection method based on double-point rotational friction |
| CN111189379B (en) * | 2020-01-14 | 2021-01-12 | 大连理工大学 | Inner cavity surface roughness in-situ detection method based on double-point rotational friction |
| CN115388749A (en) * | 2022-09-16 | 2022-11-25 | 南京市建筑工程质量安全监督站(南京市建筑工程质量安全检测中心) | Assembled concrete member surface roughness detection device and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Peyton et al. | Physical properties of dentin | |
| US4699000A (en) | Automated device for determining and evaluating the mechanical properties of materials | |
| RU2441234C1 (en) | Method to analyse structure and monitor strength of building structures concrete and device for its realisation | |
| CN109387139A (en) | Concrete surface roughness detecting method and tester | |
| CN110031352A (en) | Rockwell apparatus Standard Machine and hardness calibration method | |
| CN109991103B (en) | Shear strength testing device and shear strength and static cone penetration test method thereof | |
| CN104977112B (en) | Precision bearing system dynamic torque measuring instrument | |
| CN108007295A (en) | Worm screw M values and the automatic detection device of flank of tooth bounce | |
| CN108571943B (en) | A kind of two cylinder axis intersecting angle self-operated measuring unit of contact | |
| US2060803A (en) | Means for treating gears | |
| CN209326619U (en) | Pressure-adjusting type surface roughness tester | |
| CN209894626U (en) | Standard block position adjusting device for Rockwell hardness tester standard machine | |
| CN110726632A (en) | Full-automatic resiliometer calibrator | |
| CN217738184U (en) | Instant elongation measurer for creep endurance test | |
| CN108489895A (en) | A kind of detection method and detecting instrument for the anti-wiping property value of reverse osmosis membrane | |
| CN205619914U (en) | A device for examineing and determine cover to reinforcement thickness gauge | |
| CN211877896U (en) | Horizontal and vertical combustion tester | |
| CN209311238U (en) | A kind of littoral facies soft clay slurry-Soil Interface shear parameters measuring instrument | |
| CN106053711B (en) | A kind of ablating rate test device and method of testing | |
| Fox et al. | An Instrument for the Study of Com pressional Creep and Creep Recovery of Yarns and Fabrics | |
| RU2791146C1 (en) | Device for measuring soil hardness | |
| CN211122381U (en) | Full-automatic resiliometer calibrator | |
| CN210293087U (en) | Piston inclined ring groove angle checking fixture | |
| CN213210139U (en) | Multipoint displacement measuring device for three-dimensional analog simulation material | |
| DE3842546C2 (en) | Method and device for measuring the hardness of a test specimen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190226 |
|
| WD01 | Invention patent application deemed withdrawn after publication |