CN108444792A - Binding performance test molding die and its test method between a kind of concrete layer - Google Patents
Binding performance test molding die and its test method between a kind of concrete layer Download PDFInfo
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- CN108444792A CN108444792A CN201810671945.4A CN201810671945A CN108444792A CN 108444792 A CN108444792 A CN 108444792A CN 201810671945 A CN201810671945 A CN 201810671945A CN 108444792 A CN108444792 A CN 108444792A
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- 238000000465 moulding Methods 0.000 title claims abstract description 24
- 238000011056 performance test Methods 0.000 title claims abstract description 19
- 238000010998 test method Methods 0.000 title abstract description 6
- 238000012360 testing method Methods 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000011230 binding agent Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 9
- 239000011229 interlayer Substances 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 4
- 238000013401 experimental design Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 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 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to binding performance test molding die and its test methods between a kind of concrete layer, belong to highway engineering technical field.The mold includes cylindrical die, rectangular base, measuring scale and wiping tablet；Rectangular base is equipped with fixed card slot, and the bottom end of cylindrical die is connected in fixed card slot；Rectangular base is surrounded by multiple leveling bolts；Cylindrical die includes left semicircle shell and right semi-circle shell, and the side of left semicircle shell and the side of right semi-circle shell are hinged；The other side of left semicircle shell and the other side of right semi-circle shell are to be detachably connected；Measuring scale is vertically arranged, and bottom end is fixed in horizontally disposed wiping tablet.Inventive die is for Coating combination material and concrete integrated molding, the dosage and thickness of binder can be accurately controlled, convenient for fixed and dismounting test specimen, disturbance of the human factor to Coating combination ability is avoided to greatest extent, to achieve the purpose that exact evaluation Coating combination material performance.
Description
Technical field
The invention belongs to highway engineering technical fields in Communication and Transportation Engineering, and in particular to associativity between a kind of concrete layer
Molding die and its test method can be tested.
Background technology
Pavement structure is a kind of multi-layer compound structure being composed of different materials, due to the area of Coating combination material itself
The binding ability between different structure layer is not set to have notable difference, under Driving Loading, different Coating combinations can be direct
The ability that pavement structure transmits load is influenced, while the especially ess-strain at Coating combination position can be influenced inside pavement structure
Level, or even the normal use performance and service life of pavement structure can be seriously affected.At this stage energy is bonded in Coating combination material
In the indoor test experiment of power, usually concrete smears interlayer binder after being prepared separately and conserving, without fine
Integrated molding tool, this is carried out at the same time the Practical Project of making and maintenance with Coating combination material and concrete not
Symbol has ignored the influence that Coating combination material is interpenetrated with concrete in preparation and maintenance processes, and also is difficult to
The applying amount and thickness for accomplishing to accurately control binder, to influence the evaluation result of Coating combination material cementitiousness.Meanwhile it making
The size disunity of standby test specimen carries out cutting process when being tested sometimes for test specimen, unavoidable to Coating combination
Material generates perturbation action.Therefore, for the ease of Coating combination material and concrete integrated molding, meet Practical Project and want
It asks, binding ability of the exact evaluation Coating combination material between concrete, there is an urgent need for research and develop a kind of concrete Coating combination
Performance test molding die and its test method.
Invention content
It is an object of the present invention to solve the deficiency of the existing technology and provide between a kind of concrete layer binding performance test at
Pattern has and its test method, for Coating combination material and concrete integrated molding, and accurately controls binder
Dosage and thickness, while convenient for fixed and dismounting test specimen, influence of the human factor to Coating combination material performance is reduced, to greatest extent
Disturbance of the human factor to Coating combination ability is avoided, to achieve the purpose that exact evaluation Coating combination material performance.
To achieve the above object, the technical solution adopted by the present invention is as follows：
Binding performance tests molding die, including cylindrical die, rectangular base, measuring scale and floating between a kind of concrete layer
Plate；
Rectangular base is equipped with fixed card slot, and the bottom end of cylindrical die is connected in fixed card slot；
Rectangular base is surrounded by multiple leveling bolts；
The cylindrical die includes left semicircle shell and right semi-circle shell, and the side of left semicircle shell and right semi-circle shell
Side it is hinged；The other side of left semicircle shell and the other side of right semi-circle shell are to be detachably connected；
The measuring scale is vertically arranged, and bottom end is fixed in horizontally disposed wiping tablet.
It is further preferred that the specific connection type being detachably connected is：The other side of left semicircle shell is hinged hinged
Extension bar is fixedly connected with fixing bolt on hinge bar；The other side of right semi-circle shell is equipped with bayonet；Hinge bar is together with fixing bolt
Rotation, is connected in bayonet.
It is further preferred that the diameter of the fixing bolt screw rod is more than the diameter of hinge bar.
It is further preferred that the close fixing bolt side of hinge bar is equipped with external screw thread, the separate head of fixing bolt
One end is equipped with the screw hole to match with the external screw thread of hinge bar；Hinge bar is connected with fixing bolt by external screw thread, screw hole.
It is further preferred that the side of the side of left semicircle shell and right semi-circle shell is by two hinge connections, two
A hinge setting symmetrical above and below.
It is further preferred that rectangular base is surrounded by 4 leveling bolts, it is respectively arranged on the quadrangle of rectangular base.
It is further preferred that cylindrical die internal diameter is 101.6mm, it is highly 160mm.
It is further preferred that the scale of measuring scale is from top to bottom 0mm to 160mm.
Present invention simultaneously provides a kind of binding performance testing experiment methods between concrete layer, are tied using between above-mentioned concrete layer
Performance test molding die is closed, is included the following steps：
Cylindrical die is opened, is applied on cylindrical die inner wall and rectangular base and spreads mould oil, later by cylindrical die
It is closed completely and is caught in the fixed card slot of rectangular base and fix, leveling is carried out by leveling bolt so that entire mold is kept
It is horizontal；
Lower-layer concrete material is added in cylindrical die, by the measuring scale with wiping tablet, measures lower-layer concrete examination
The height of part is used in combination wiping tablet to smooth out its surface until reaching test requirements document height；
Then Coating combination material is added, the thickness of interlayer binder is controlled by measuring scale, when experimental design thickness to be achieved, uses
Wiping tablet smoothes out its surface；
Then upper layer concrete structure material is added, the height of upper layer concrete structure is controlled again by measuring scale, is then adopted
Surface floating processing is carried out with wiping tablet, test specimen is made；
The related mold of entire test specimen is placed under the conditions of the temperature and humidity of test requirements document and stands 12h or more, then by cylinder
Shape mold takes out out of fixed card slot, opens cylindrical die, test specimen is taken out, and is put into standard curing room and carries out conventional support
Shield, use to be tested.
It is further preferred that the temperature and humidity condition of test requirements document is specially：Temperature is 20 DEG C ± 5 DEG C, relatively wet
Degree is more than 50%.
Compared with prior art, the present invention advantage is：
For pavement concrete Coating combination material performance test, there are no perfect testing equipments in testing indoors at present, generally
It is smearing interlayer binder after concrete is prepared separately and conserves, has ignored Coating combination material and exist with concrete
The influence for preparing and being interpenetrated in maintenance processes can not accurately control the applying amount and thickness of control binder.Meanwhile it preparing
The size disunity of test specimen carries out cutting process when being tested sometimes for test specimen, unavoidable to Coating combination material
Generate perturbation action.The present invention provides to measure binding performance between concrete layer suitable for specimen molding mold, accurately controls combination
The dosage and thickness of material, while convenient for fixed and dismounting test specimen, avoiding to greatest extent artificial because being disturbed to Coating combination ability
It is dynamic, the binding ability of ground surface material interlayer can be accurately reflected, to provide effective reference data for engineering.
Description of the drawings
The dimensional structure diagram of Fig. 1 binding performance test molding dies between concrete layer of the present invention；
Fig. 2 is the front view of wiping tablet and measuring scale；
In figure, 1 cylindrical die, 2 be rectangular base, and 3 be hinge bar, and 4 be fixed card slot, and 5 be leveling bolt, and 6 be fixed spiral shell
Bolt, 7 be measuring scale, and 8 be wiping tablet, and 9 be left semicircle shell, and 10 be right semi-circle shell, and 11 be bayonet.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and it should not be regarded as limiting this hair
Bright range.In the examples where no specific technique or condition is specified, according to technology or condition described in document in the art
Or it is carried out according to product description.Production firm person is not specified in material therefor or equipment, is that can be obtained by buying
Conventional products.
Technical field technical staff is appreciated that unless expressly stated, singulative " one " used herein, "one",
" described " and "the" may also comprise plural form.It is to be further understood that wording " the packet used in the specification of the present invention
Include " refer to there are the feature, integer, step, operation, element and/or component, but it is not excluded that presence or addition one or
Other multiple features, integer, step, operation, element, component and/or their group.It should be understood that when we claim element by " even
Connect " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be cental elements
Part.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term "inner",
The orientation or state relation of the instructions such as "upper", "lower" are orientation based on ... shown in the drawings or state relation, are merely for convenience of retouching
It states the present invention and simplifies description, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
Connect ", " being equipped with " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein（Including technology art
Language and scientific terminology）With meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
As shown in Figure 1 and 2, binding performance tests molding die, including cylindrical die 1, rectangular base between a kind of concrete layer
Seat 2, measuring scale 7 and wiping tablet 8；
Rectangular base 2 is equipped with fixed card slot 4, and the bottom end of cylindrical die 1 is connected in fixed card slot 4；
Rectangular base 2 is surrounded by multiple leveling bolts 5；Preferably 4, it is respectively arranged on the quadrangle of rectangular base 2.Rectangular base
Seat 2 is preferably dimensioned to be 150mm × 150mm；
The cylindrical die 1 includes left semicircle shell 9 and right semi-circle shell 10, and the side of left semicircle shell 9 and the right side are partly
The side of round casing 10 is hinged；When hinged, can by two hinge connections, two hinge settings symmetrical above and below, but not limited to this.
The other side of left semicircle shell 9 and the other side of right semi-circle shell 10 are to be detachably connected；Preferably, detachably connect
The specific connection type connect is：The other side of left semicircle shell 9 is hinged with hinge bar 3, and fixed spiral shell is fixedly connected on hinge bar 3
Bolt 6；The other side of right semi-circle shell 10 is equipped with bayonet 11；Hinge bar 3 is rotated together with fixing bolt 6, is connected in bayonet 11.
The diameter of 6 screw rod of fixing bolt is more than the diameter of hinge bar 3.When hinge bar 3 is together with 6 turns of fixing bolt
Dynamic, when being connected in bayonet 11, the step that hinge bar 3 is formed with fixing bolt 6 is stuck in the right side of bayonet 11 so that mold is closed
Tightly.
It is preferred that 6 side of close fixing bolt of hinge bar 3 is equipped with external screw thread, the one end on the separate head of fixing bolt 6 is equipped with
The screw hole to match with the external screw thread of hinge bar 3；Hinge bar 3 is connected with fixing bolt 6 by external screw thread, screw hole.When hinge bar 3
It is rotated together with fixing bolt 6, when being connected in bayonet 11, the step that hinge bar 3 is formed with fixing bolt 6 is stuck in the right side of bayonet 11
Side, can be by the bolt 6 that is tightened, to push the right semi-circle shell 10 where bayonet 11 to be closed more with left semicircle shell 9
Add tightly, prevents that spillage phenomenon occurs in molded test.
The measuring scale 7 is vertically arranged, and bottom end is fixed in horizontally disposed wiping tablet 8.
Each component material of the present invention is preferably steel, and cylinder mold size is internal diameter 101.6mm, is highly 160mm.
Cylindrical die 1 is used for the molding of test specimen.
Rectangular base 2 is used to support entire test mould and fixed cylinder shape mold, keeps test specimen not during the test
It moves.
Hinge bar 3 can be used for opening and closing cylinder mold, and fixed and dismounting sample.
Fixed card slot 4 is used for connecting cylinder mould and rectangular base, keeps test specimen to fix during the test, bayonet
Width is identical as upper cylinder mold wall thickness, and bayonet interior diameter is 101.6mm.
Leveling bolt 5 is fixed on the quadrangle of lower rectangular bottom, can adjust height so that and entire mold keeps horizontal,
Ensure the smooth of shaping test piece.
Fixing bolt 6 and bayonet 11 are used for fixing mould, mold can be allowed to be closed tight, prevent from occurring in molded test
Spillage phenomenon.
Measuring scale 7 can directly read the height of test specimen, and the scale of measuring scale is from top to bottom 0mm to 160mm.
Wiping tablet 8 can be used for smoothing out the materials such as test specimen upper layer cement concrete so that entire surface of test piece keeps flat
It is whole.
Binding performance testing experiment method between a kind of concrete layer of the present invention, specific embodiment are：
Cylindrical die 1 is opened, is applied on 1 inner wall of cylindrical die and rectangular base 2 and spreads mould oil, later by cylindrical mould
Tool 1 makes cylindrical die 1 be closed completely by hinge bar 3, fixing bolt 6 and bayonet 11, and cylindrical die 1 is then caught in square
It is fixed in the fixed card slot 4 of shape pedestal 2, leveling is carried out by leveling bolt 5 so that entire mold keeps horizontal；
Lower-layer concrete material is added in cylindrical die 1, by the measuring scale 7 with wiping tablet 8, measures lower-layer concrete
The height of test specimen is used in combination wiping tablet to smooth out its surface until reaching test requirements document height；
Then Coating combination material is added, the thickness of interlayer binder is controlled by measuring scale 7, when experimental design thickness to be achieved,
Its surface is smoothed out with wiping tablet 8；The reading for being put into measuring scale 7 is lower-layer concrete structure and the thickness with Coating combination material；
Then upper layer concrete structure material is added, the height of upper layer concrete structure is controlled again by measuring scale 7, is then adopted
Surface floating processing is carried out with wiping tablet 8, completes entire injection molded process, test specimen is made；Under the reading for being put into measuring scale 7 at this time is
The height of layer concrete structure, Coating combination material and the entire test specimen of upper layer concrete structure；Generally require upper layer concrete structure
Reach identical height with lower-layer concrete structure；
The related mold of entire test specimen is placed under the conditions of the temperature and humidity of test requirements document（Under normal conditions, temperature is 20 DEG C
± 5 DEG C, relative humidity is more than 50%.）Certain time is stood, it is general to require to stand 12h or more, then by cylindrical die 1 from admittedly
Determine to take out in card slot 4, by hinge bar 3, fixing bolt 6 and bayonet 11, gently opens cylindrical die 1, test specimen is taken out, is put
Enter progress conventional maintenance, use to be tested in standard curing room.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. binding performance tests molding die between a kind of concrete layer, which is characterized in that including cylindrical die（1）, rectangular base
Seat（2）, measuring scale（7）And wiping tablet（8）；
Rectangular base（2）It is equipped with fixed card slot（4）, cylindrical die（1）Bottom end be connected to fixed card slot（4）In；
Rectangular base（2）Be surrounded by multiple leveling bolts（5）；
The cylindrical die（1）Including left semicircle shell（9）With right semi-circle shell（10）, and left semicircle shell（9）One
Side and right semi-circle shell（10）Side it is hinged；Left semicircle shell（9）The other side and right semi-circle shell（10）The other side be
It is detachably connected；
The measuring scale（7）It is vertically arranged, bottom end is fixed on horizontally disposed wiping tablet（8）On.
2. binding performance tests molding die between concrete layer according to claim 1, which is characterized in that be detachably connected
Specific connection type be：Left semicircle shell（9）The other side be hinged with hinge bar（3）, hinge bar（3）On be fixedly connected with
Determine bolt（6）；Right semi-circle shell（10）The other side be equipped with bayonet（11）；Hinge bar（3）Together with fixing bolt（6）Rotation, card
It is connected on bayonet（11）It is interior.
3. binding performance tests molding die between concrete layer according to claim 2, which is characterized in that the fixation
Bolt（6）The diameter of screw rod is more than hinge bar（3）Diameter.
4. binding performance tests molding die between concrete layer according to claim 2, which is characterized in that hinge bar（3）
Close fixing bolt（6）Side is equipped with external screw thread, fixing bolt（6）The one end on separate head be equipped with and hinge bar（3）It is outer
The screw hole that screw thread matches；Hinge bar（3）With fixing bolt（6）It is connected by external screw thread, screw hole.
5. binding performance tests molding die between concrete layer according to claim 1, which is characterized in that left semicircle shell
（9）Side and right semi-circle shell（10）Side pass through two hinge connections, two hinge settings symmetrical above and below.
6. binding performance tests molding die between concrete layer according to claim 1, which is characterized in that rectangular base
（2）Be surrounded by 4 leveling bolts（5）, it is respectively arranged on rectangular base（2）Quadrangle.
7. binding performance tests molding die between concrete layer according to claim 1, which is characterized in that cylindrical die
（1）Internal diameter is 101.6mm, is highly 160mm.
8. binding performance tests molding die between concrete layer according to claim 1, which is characterized in that measuring scale（7）
Scale from top to bottom be 0mm to 160mm.
9. a kind of binding performance testing experiment method between concrete layer, using between the concrete layer described in right 1-8 any one
Binding performance tests molding die, which is characterized in that includes the following steps：
Cylindrical die is opened, is applied on cylindrical die inner wall and rectangular base and spreads mould oil, later by cylindrical die
It is closed completely and is caught in the fixed card slot of rectangular base and fix, leveling is carried out by leveling bolt so that entire mold is kept
It is horizontal；
Lower-layer concrete material is added in cylindrical die, by the measuring scale with wiping tablet, measures lower-layer concrete examination
The height of part is used in combination wiping tablet to smooth out its surface until reaching test requirements document height；
Then Coating combination material is added, the thickness of interlayer binder is controlled by measuring scale, when experimental design thickness to be achieved, uses
Wiping tablet smoothes out its surface；
Then upper layer concrete structure material is added, the height of upper layer concrete structure is controlled again by measuring scale, is then adopted
Surface floating processing is carried out with wiping tablet, test specimen is made；
The related mold of entire test specimen is placed under the conditions of the temperature and humidity of test requirements document and stands 12h or more, then by cylinder
Shape mold takes out out of fixed card slot, opens cylindrical die, test specimen is taken out, and is put into standard curing room and carries out conventional support
Shield, use to be tested.
10. binding performance testing experiment method between concrete layer according to claim 9, which is characterized in that test requirements document
Temperature and humidity condition be specially：Temperature is 20 DEG C ± 5 DEG C, and relative humidity is more than 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671945.4A CN108444792B (en) | 2018-06-26 | 2018-06-26 | Forming die for testing bonding performance between concrete layers and testing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671945.4A CN108444792B (en) | 2018-06-26 | 2018-06-26 | Forming die for testing bonding performance between concrete layers and testing method thereof |
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| CN108444792B CN108444792B (en) | 2024-05-03 |
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Cited By (2)
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|---|---|---|---|---|
| CN108760442A (en) * | 2018-08-28 | 2018-11-06 | 云南省交通规划设计研究院有限公司 | A kind of molding die and its test method of adjustable concrete Coating combination thickness |
| CN110421691A (en) * | 2019-08-14 | 2019-11-08 | 安徽省交通控股集团有限公司 | Bonding strength test model preparation method between Cement Concrete Deck Paving Course |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760442A (en) * | 2018-08-28 | 2018-11-06 | 云南省交通规划设计研究院有限公司 | A kind of molding die and its test method of adjustable concrete Coating combination thickness |
| CN110421691A (en) * | 2019-08-14 | 2019-11-08 | 安徽省交通控股集团有限公司 | Bonding strength test model preparation method between Cement Concrete Deck Paving Course |
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