CN107843555A - The detection method and device of the true adhesion strength of Arch Dam With Joint - Google Patents
The detection method and device of the true adhesion strength of Arch Dam With Joint Download PDFInfo
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- CN107843555A CN107843555A CN201711381011.9A CN201711381011A CN107843555A CN 107843555 A CN107843555 A CN 107843555A CN 201711381011 A CN201711381011 A CN 201711381011A CN 107843555 A CN107843555 A CN 107843555A
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 52
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 238000009662 stress testing Methods 0.000 claims abstract description 16
- 238000011161 development Methods 0.000 claims description 14
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 206010058031 Joint adhesion Diseases 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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Abstract
The invention discloses a kind of detection method and device of the true adhesion strength of Arch Dam With Joint, wherein, method includes：Transverse joint concrete true temperature stress is obtained by concrete temperature stress testing machine；Pour concrete test block containing aspect；Stress course is applied to the aspect concrete test block poured by tension and compression Creep Apparatus；After stress terminates, layer adhesion intensity is obtained.This method can simulate transverse joint adhesion strength under true temperature stress course.
Description
Technical field
The present invention relates to building hydraulic engineering concrete test technical field, more particularly to a kind of Arch Dam With Joint truly bonds
The detection method and device of intensity.
Background technology
In order to adapt to uneven settlement of foundation and avoid the occurrence of excessive temperature restraint stresses, need to set horizontal stroke in Dam Designs in Last
Seam, dam is integrally layered several monoliths and poured respectively, the seam face between adjacent monolith is transverse joint, due to the dam of transverse joint both sides
Section concrete pours time difference, typical problems of bonding；The adhesion strength of transverse joint can be analogized to and mixed containing aspect
Coagulate the adhesion strength of soil.
A large amount of heats of hydration can be produced after dam concrete placement, it is horizontal along with the effect of contraction between exothermic process and dam block
Concrete near seam subjects load action, and its load history is related to temperature history, referred to as temperature stress course, lives through
Concrete layer surface intensity after temperature stress effect with not undergoing the intensity of load history and differing, close by its layer adhesion intensity
It is the transverse joint opening opportunity to arch dam later stage water flowing temperature-fall period.So the transverse joint under research temperature stress effect course bonds
Intensity is opened to control Arch Dam With Joint has important engineering significance.
TSTM (Temperature-stress testing machine, concrete temperature stress testing machine) can tried
The temperature stress and deformation of concrete under room analog temperature and effect of contraction are tested, material and knot are established by research technique
Contact between structure.Can combination temperature stress test and the layer adhesion strength test measure true adhesion strength of transverse joint concrete.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose a kind of detection method of the true adhesion strength of Arch Dam With Joint, the party
Method can simulate transverse joint adhesion strength under true temperature stress course.
It is another object of the present invention to the detection means for proposing a kind of true adhesion strength of Arch Dam With Joint.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of detection of the true adhesion strength of Arch Dam With Joint
Method, comprise the following steps：Transverse joint concrete true temperature stress is obtained by concrete temperature stress testing machine；Pour and contain layer
Surface concrete test block；Stress course is applied to the aspect concrete test block poured by tension and compression Creep Apparatus；In stress knot
Shu Hou, obtain layer adhesion intensity.
The detection method of the true adhesion strength of Arch Dam With Joint of the embodiment of the present invention, is tried by concrete temperature stress first
Test machine and obtain transverse joint concrete true temperature stress, and pour concrete test block containing aspect, and then by tension and compression Creep Apparatus to institute
The aspect concrete test block poured applies stress course, to obtain layer adhesion intensity.
In addition, the detection method of the true adhesion strength of Arch Dam With Joint according to the above embodiment of the present invention can also have with
Additional technical characteristic down：
Further, in one embodiment of the invention, it is described that transverse joint is obtained by concrete temperature stress testing machine
Concrete true temperature stress, further comprises：Obtain the temperature history of current engineering concrete；Pass through the concrete temperature
Pressure tester reappears the temperature history of the current engineering concrete, obtains concrete true temperature stress development course.
Further, in one embodiment of the invention, it is described to pour concrete test block containing aspect, further comprise：
The concrete of the first preset height is poured by the test piece mould of pre-set dimension；After the preset lime, rushed by giant
The upper surface of hair bottom concrete；After hair knot beam is rushed, the concrete of the preset height of upper strata second is poured.
Further, in one embodiment of the invention, it is described by tension and compression Creep Apparatus to the aspect coagulation that is poured
Native test block applies stress course, further comprises：The concrete test block is placed on the loading bench of the tension and compression Creep Apparatus；
It is further applied load by the tension and compression Creep Apparatus, wherein described load is by the concrete true temperature stress development course
Obtain.
Further, in one embodiment of the invention, the acquisition layer adhesion intensity, further comprises：Will be through
The aspect for the test block containing aspect crossed after load history effect is split parallel to loading direction and draws filler strip to be positioned over Plane Location, to obtain
To the layer adhesion intensity.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of inspection of the true adhesion strength of Arch Dam With Joint
Device is surveyed, including：First acquisition module, should for obtaining transverse joint concrete true temperature by concrete temperature stress testing machine
Power；Built module is poured, for pouring concrete test block containing aspect；Apply module, for by tension and compression Creep Apparatus to the layer that is poured
Surface concrete test block applies stress course；Second acquisition module, for after stress terminates, obtaining layer adhesion intensity.
The detection means of the true adhesion strength of Arch Dam With Joint of the embodiment of the present invention, passes through concrete temperature stress testing machine
Obtain transverse joint concrete true temperature stress；Pour concrete test block containing aspect；By tension and compression Creep Apparatus to the aspect that is poured
Concrete test block applies stress course；After stress terminates, layer adhesion intensity is obtained.
In addition, the detection means of the true adhesion strength of Arch Dam With Joint according to the above embodiment of the present invention can also have with
Additional technical characteristic down：
Further, in one embodiment of the invention, first acquisition module, further comprises：First obtains
Unit, for obtaining the temperature history of current engineering concrete；Second acquisition unit, for passing through the concrete temperature stress
Testing machine reappears the temperature history of the current engineering concrete, obtains concrete true temperature stress development course.
Further, in one embodiment of the invention, it is described to pour built module, further comprise：First pours unit,
For pouring the concrete of the first preset height by the test piece mould of pre-set dimension；Wash module, for preset time it
Afterwards, the upper surface of hair bottom concrete is rushed by giant；Second pours unit, for after hair knot beam is rushed, pouring upper strata
The concrete of second preset height.
Further, in one embodiment of the invention, the application module, further comprises：Placement unit, it is used for
The concrete test block is placed on the loading bench of the tension and compression Creep Apparatus；Applying unit, for being crept by the tension and compression
Instrument is further applied load, wherein, the load is obtained by the concrete true temperature stress development course.
Further, in one embodiment of the invention, second acquisition module, further comprises：
Determination unit, by the aspect of the test block containing aspect after load history acts on parallel to loading direction, split drawing pad
Bar is positioned over Plane Location, to obtain the layer adhesion intensity.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the flow chart according to the detection method of the true adhesion strength of Arch Dam With Joint of the embodiment of the present invention；
Fig. 2 is typical temperature profile and the signal of temperature stress process inside the dam concrete of one embodiment of the invention
Figure；
Fig. 3 is the temperature stress testing machine schematic diagram of one embodiment of the invention；
Fig. 4 is the schematic diagram of concreting process containing aspect of one embodiment of the invention；
Fig. 5 is the split tensile strength test schematic diagram of concrete containing aspect of one embodiment of the invention；
Fig. 6 is the structural representation according to the detection means of the true adhesion strength of Arch Dam With Joint of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The detection method of the true adhesion strength of Arch Dam With Joint proposed according to embodiments of the present invention is described with reference to the accompanying drawings
And device, the detection side of the true adhesion strength of Arch Dam With Joint proposed according to embodiments of the present invention is described with reference to the accompanying drawings first
Method.
Fig. 1 is the flow chart of the detection method of the true adhesion strength of Arch Dam With Joint of one embodiment of the invention.
As shown in figure 1, the detection method of the true adhesion strength of the Arch Dam With Joint comprises the following steps：
In step S101, transverse joint concrete true temperature stress is obtained by concrete temperature stress testing machine.
In step s 102, concrete test block containing aspect is poured.
In step s 103, stress course is applied to the aspect concrete test block poured by tension and compression Creep Apparatus.
In step S104, after stress terminates, layer adhesion intensity is obtained.
Further, in one embodiment of the invention, transverse joint coagulation is obtained by concrete temperature stress testing machine
Native true temperature stress, further comprises：Obtain the temperature history of current engineering concrete；Tested by concrete temperature stress
Machine reappears the temperature history of current engineering concrete, obtains concrete true temperature stress development course.
It is understood that with reference to shown in Fig. 2 and Fig. 3, the temperature of the current engineering concrete of acquisition of the embodiment of the present invention
Course as shown in Fig. 2 201, wherein, the representative temperature stress development course of acquisition is as shown in Fig. 2 202.
Further, in one embodiment of the invention, concrete test block containing aspect is poured, further comprised：Pass through
The test piece mould of pre-set dimension pours the concrete of the first preset height；After the preset lime, hair bottom is rushed by giant
The upper surface of layer concrete；After hair knot beam is rushed, the concrete of the preset height of upper strata second is poured.
It is understood that the embodiment of the present invention can pour the first preset height by the test piece mould of pre-set dimension
Concrete, wherein, the first preset height can be set with capable field technique personnel according to actual conditions, not done herein specific
Limit.As shown in figure 4, its bottom concrete can be shown in 401；After the preset lime, hair bottom is rushed by giant
The upper surface of concrete, i.e. 402 aspect parts；After hair knot beam is rushed, the concrete of the preset height of upper strata second, i.e. 403- are poured
Summit portion.
Further, in one embodiment of the invention, the aspect concrete poured is tried by tension and compression Creep Apparatus
Block applies stress course, further comprises：Concrete test block is placed on the loading bench of tension and compression Creep Apparatus；Crept by tension and compression
Instrument is further applied load, and load therein is obtained by concrete true temperature stress development course.
It is understood that load is concrete true temperature stress development course, as shown in 202 in Fig. 2；Apply lotus
The direction of load is as shown in 404 in Fig. 4.
Further, in one embodiment of the invention, layer adhesion intensity is obtained, is further comprised：Will be through g-load
The aspect of the test block containing aspect after the effect of load course is split parallel to loading direction and draws filler strip to be positioned over Plane Location, to obtain layer
Face adhesion strength.
It is understood that as shown in Figure 2 and Figure 5, the embodiment of the present invention can be by by Fig. 2 202 load history
402 aspects of the test block containing aspect after effect are parallel to loading direction, and as shown in Fig. 5 402,501, which split drawing filler strip, is positioned over 402
Plane Location, drawing adhesion strength is split to obtain 402 aspects.
The detection method of the true adhesion strength of Arch Dam With Joint proposed according to embodiments of the present invention, should by concrete temperature
Force tester obtains transverse joint concrete true temperature stress；Pour concrete test block containing aspect；By tension and compression Creep Apparatus to being poured
The aspect concrete test block built applies stress course；After stress terminates, layer adhesion intensity is obtained.
The detection means of the true adhesion strength of Arch Dam With Joint proposed according to embodiments of the present invention referring next to accompanying drawing description.
Fig. 6 is the structural representation of the detection means of the true adhesion strength of Arch Dam With Joint of one embodiment of the invention.
As shown in fig. 6, the detection means 10 of the true adhesion strength of the Arch Dam With Joint includes：First acquisition module 100, pour
Module 200, apply the acquisition module 400 of module 300 and second.Wherein, the first acquisition module 100 is used to answer by concrete temperature
Force tester obtains transverse joint concrete true temperature stress.Built module 200 is poured to be used to pour concrete test block containing aspect.Apply mould
Block 300 is used to apply stress course to the aspect concrete test block poured by tension and compression Creep Apparatus.Second acquisition module 400 is used
After terminating in stress, layer adhesion intensity is obtained.The device 10 of the embodiment of the present invention can simulate true temperature stress
Transverse joint adhesion strength under effect course.
Further, in one embodiment of the invention, the first acquisition module 100, further comprises：First obtains list
Member and second acquisition unit.Wherein, first acquisition unit is used for the temperature history for obtaining current engineering concrete.Second obtains list
Member is used for the temperature history that current engineering concrete is reappeared by concrete temperature stress testing machine, obtains concrete true temperature
Stress development course.
Further, in one embodiment of the invention, built module 200 is poured to further comprise：First pours unit, punching
Mold cleaning block and second pours unit.Wherein, first pour unit and be used to pouring first by the test piece mould of pre-set dimension and preset
The concrete of height.Wash module is used to after the preset lime, the upper surface of hair bottom concrete is rushed by giant.The
Two, which pour unit, is used for after hair knot beam is rushed, and pours the concrete of the preset height of upper strata second.
Further, in one embodiment of the invention, apply module 300 to further comprise：Placement unit and application
Unit.Wherein, placement unit is used to pass through for concrete test block to be placed on into applying unit on the loading bench of tension and compression Creep Apparatus
Tension and compression Creep Apparatus is further applied load, wherein, load is obtained by concrete true temperature stress development course.
Further, in one embodiment of the invention, the second acquisition module 400 further comprises：Determination unit.Its
In, the aspect of the test block containing aspect after load history acts on parallel to loading direction, is split and draws filler strip to place by determination unit
In Plane Location, to obtain layer adhesion intensity.
It should be noted that the explanation of the foregoing detection method embodiment to the true adhesion strength of Arch Dam With Joint is also fitted
The detection means of the true adhesion strength of Arch Dam With Joint for the embodiment, here is omitted.
The detection means of the true adhesion strength of Arch Dam With Joint proposed according to embodiments of the present invention, should by concrete temperature
Force tester obtains transverse joint concrete true temperature stress；Pour concrete test block containing aspect；By tension and compression Creep Apparatus to being poured
The aspect concrete test block built applies stress course；After stress terminates, layer adhesion intensity is obtained.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of detection method of the true adhesion strength of Arch Dam With Joint, it is characterised in that comprise the following steps：
Transverse joint concrete true temperature stress is obtained by concrete temperature stress testing machine；
Pour concrete test block containing aspect；
Stress course is applied to the aspect concrete test block poured by tension and compression Creep Apparatus；And
After stress terminates, layer adhesion intensity is obtained.
2. the detection method of the true adhesion strength of Arch Dam With Joint according to claim 1, it is characterised in that described by mixed
Solidifying soil temperature degree pressure tester obtains transverse joint concrete true temperature stress, further comprises：
Obtain the temperature history of current engineering concrete；
The temperature history of the current engineering concrete is reappeared by the concrete temperature stress testing machine, it is true to obtain concrete
Real temperature stress development course.
3. the detection method of the true adhesion strength of Arch Dam With Joint according to claim 1, it is characterised in that described pour contains
Aspect concrete test block, further comprises：
The concrete of the first preset height is poured by the test piece mould of pre-set dimension；
After the preset lime, the upper surface of hair bottom concrete is rushed by giant；
After hair knot beam is rushed, the concrete of the preset height of upper strata second is poured.
4. the detection method of the true adhesion strength of Arch Dam With Joint according to claim 2, it is characterised in that described to pass through drawing
Pressure Creep Apparatus applies stress course to the aspect concrete test block poured, further comprises：
The concrete test block is placed on the loading bench of the tension and compression Creep Apparatus；
It is further applied load by the tension and compression Creep Apparatus, wherein described load is by the concrete true temperature stress development
Course obtains.
5. the detection method of the true adhesion strength of Arch Dam With Joint according to claim 4, it is characterised in that the acquisition layer
Face adhesion strength, further comprises：
By the aspect of the test block containing aspect after load history acts on parallel to loading direction, split and draw filler strip to be positioned over aspect position
Put, to obtain the layer adhesion intensity.
A kind of 6. detection means of the true adhesion strength of Arch Dam With Joint, it is characterised in that including：
First acquisition module, for obtaining transverse joint concrete true temperature stress by concrete temperature stress testing machine；
Built module is poured, for pouring concrete test block containing aspect；
Apply module, for applying stress course to the aspect concrete test block poured by tension and compression Creep Apparatus；And
Second acquisition module, for after stress terminates, obtaining layer adhesion intensity.
7. the detection means of the true adhesion strength of Arch Dam With Joint according to claim 6, it is characterised in that described first obtains
Modulus block, further comprises：
First acquisition unit, for obtaining the temperature history of current engineering concrete；
Second acquisition unit, for reappearing the temperature of the current engineering concrete by the concrete temperature stress testing machine
Course, obtain concrete true temperature stress development course.
8. the detection means of the true adhesion strength of Arch Dam With Joint according to claim 6, it is characterised in that described to pour mould
Block, further comprise：
First pours unit, for pouring the concrete of the first preset height by the test piece mould of pre-set dimension；
Wash module, for after the preset lime, the upper surface of hair bottom concrete being rushed by giant；
Second pours unit, for after hair knot beam is rushed, pouring the concrete of the preset height of upper strata second.
9. the detection means of the true adhesion strength of Arch Dam With Joint according to claim 7, it is characterised in that the application mould
Block, further comprise：
Placement unit, for the concrete test block to be placed on to the loading bench of the tension and compression Creep Apparatus；
Applying unit, for being further applied load by the tension and compression Creep Apparatus, wherein, the load is true by the concrete
Temperature stress development course obtains.
10. the detection means of the true adhesion strength of Arch Dam With Joint according to claim 9, it is characterised in that described second
Acquisition module, further comprise：
Determination unit, by the aspect of the test block containing aspect after load history acts on parallel to loading direction, split and draw filler strip to put
Plane Location is placed in, to obtain the layer adhesion intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381011.9A CN107843555B (en) | 2017-12-20 | 2017-12-20 | Method and device for detecting true bonding strength of transverse seam of arch dam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381011.9A CN107843555B (en) | 2017-12-20 | 2017-12-20 | Method and device for detecting true bonding strength of transverse seam of arch dam |
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| CN107843555B CN107843555B (en) | 2023-11-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109030345A (en) * | 2018-07-13 | 2018-12-18 | 中国葛洲坝集团国际工程有限公司 | A kind of face-plate of rockfill dam base surface restraint stress detection method |
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